:root {
  --brand: #e6002a;
  --brand-dark: #b80022;
  --ink: #1a1a1a;
  --ink-soft: #353231;
  --paper: #f7f5f2;
  --paper-warm: #efeae5;
  --white: #ffffff;
  --muted: #6f6b68;
  --line: #ded9d4;
  --success: #0b7a53;
  --container: 1400px;
  --gutter: clamp(22px, 4vw, 56px);
  --radius-sm: 16px;
  --radius-md: 28px;
  --radius-lg: 44px;
  --shadow: 0 28px 80px rgba(21, 18, 17, 0.12);
  --font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid rgba(230, 0, 42, 0.35);
  outline-offset: 4px;
}

.container {
  width: min(calc(100% - (var(--gutter) * 2)), var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: clamp(88px, 9vw, 148px) 0;
  overflow: clip;
}

.section-tight {
  padding: clamp(64px, 7vw, 104px) 0;
}

.section-dark {
  color: var(--white);
  background: var(--ink);
}

.section-red {
  color: var(--white);
  background: var(--brand);
}

.section-white {
  background: var(--white);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 8px;
  height: 28px;
  background: currentColor;
  content: "";
}

.section-dark .eyebrow,
.section-red .eyebrow {
  color: var(--white);
}

.display {
  max-width: 1100px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(44px, 5.2vw, 82px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.display-small {
  font-size: clamp(38px, 4vw, 64px);
}

.lead {
  max-width: 760px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 1.55vw, 23px);
  line-height: 1.7;
}

.section-dark .lead,
.section-red .lead {
  color: rgba(255, 255, 255, 0.72);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 460px);
  gap: 54px;
  align-items: end;
  margin-bottom: clamp(48px, 6vw, 82px);
}

.section-heading .lead {
  margin: 0;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 25px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 800;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: var(--white);
  background: var(--brand);
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-dark {
  color: var(--white);
  background: var(--ink);
}

.btn-dark:hover {
  background: #000;
}

.btn-light {
  color: var(--ink);
  background: var(--white);
}

.btn-outline {
  border-color: rgba(26, 26, 26, 0.24);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--ink);
}

.btn-arrow::after {
  font-size: 20px;
  line-height: 1;
  content: "↗";
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  transform: translateY(-150%);
  color: var(--white);
  background: var(--ink);
  border-radius: 999px;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: 86px;
  border-bottom: 1px solid rgba(26, 26, 26, 0.08);
  background: rgba(247, 245, 242, 0.92);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

.scroll-progress {
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.08);
  opacity: 0;
  transition: opacity 220ms ease;
}

.scroll-progress.is-visible {
  opacity: 1;
}

.scroll-progress::before {
  position: absolute;
  inset: 0;
  content: "";
  width: 100%;
  background: linear-gradient(90deg, rgba(230, 0, 42, 0), var(--brand));
  transform: translateX(-100%);
  transition: transform 140ms linear;
}

.scroll-progress span {
  position: absolute;
  inset: 0;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand), #ffb3c1);
  transform-origin: left;
  transition: width 120ms linear;
  will-change: width;
}

.site-header.is-scrolled {
  box-shadow: 0 14px 34px rgba(22, 19, 18, 0.08);
}

.nav-shell {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand-logo {
  flex: 0 0 auto;
  width: 190px;
}

.brand-logo img {
  width: 100%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 32px);
}

.nav-links > a:not(.btn) {
  position: relative;
  padding: 26px 0 23px;
  color: #3d3937;
  font-size: 15px;
  font-weight: 700;
}

.nav-links > a:not(.btn)::after {
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 3px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--brand);
  content: "";
  transition: transform 180ms ease;
}

.nav-links > a:not(.btn):hover::after,
.nav-links > a.is-active::after {
  transform: scaleX(1);
}

.nav-links .btn {
  min-height: 46px;
  padding-inline: 20px;
  font-size: 15px;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  transition: transform 180ms ease;
}

.hero {
  min-height: calc(100svh - 86px);
  padding: 0;
  background: var(--brand);
}

.hero-shell {
  display: grid;
  min-height: calc(100svh - 86px);
  grid-template-columns: minmax(520px, 0.88fr) minmax(620px, 1.12fr);
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  padding: clamp(62px, 7vw, 112px) var(--gutter);
  padding-left: max(var(--gutter), calc((100vw - var(--container)) / 2));
  flex-direction: column;
  justify-content: center;
  color: var(--white);
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.hero-kicker::before {
  width: 48px;
  height: 4px;
  background: var(--white);
  content: "";
}

.hero h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(58px, 6vw, 96px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.06em;
}

.hero .category {
  margin: 30px 0 0;
  font-size: clamp(20px, 1.8vw, 28px);
  font-weight: 800;
}

.hero .subcopy {
  max-width: 620px;
  margin: 17px 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
}

.hero .btn-outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}

.hero .btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.hero-mark {
  width: min(460px, 78%);
  margin-top: 46px;
  opacity: 0.92;
  will-change: transform;
}

.hero-visual {
  position: relative;
  min-height: 660px;
  overflow: hidden;
  background: #c9c2ba;
}

.hero-visual::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(26, 26, 26, 0.28), transparent 28%),
    linear-gradient(0deg, rgba(26, 26, 26, 0.42), transparent 46%);
  content: "";
}

.hero-visual > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
  transform: translateY(var(--hero-parallax-y, 0px));
}

[data-parallax] {
  transform: translateY(var(--scroll-parallax-y, 0px));
  transition: transform 130ms linear;
}

.hero-visual::before {
  position: absolute;
  inset: 0;
  content: "";
  background: radial-gradient(55% 35% at 65% 25%, rgba(255, 255, 255, 0.2), transparent 55%);
  pointer-events: none;
  transform: translateY(calc(var(--hero-parallax-y, 0px) * 0.45)) scale(1.08);
  transition: transform 420ms linear;
}

.hero-mark {
  transform: translateY(var(--brand-parallax-y, 0px));
}

.hero-service-card {
  position: absolute;
  z-index: 2;
  right: clamp(24px, 4vw, 64px);
  bottom: clamp(24px, 4vw, 64px);
  width: min(480px, calc(100% - 48px));
  padding: 26px 28px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(20, 18, 17, 0.68);
  backdrop-filter: blur(18px);
  border-radius: var(--radius-sm);
}

.hero-service-card strong {
  display: block;
  margin-bottom: 12px;
  font-size: 22px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tags span {
  padding: 6px 11px;
  color: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  font-size: 13px;
}

.brand-ribbon {
  position: relative;
  z-index: 3;
  margin-top: -1px;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.brand-ribbon-track {
  display: flex;
  width: max-content;
  animation: ribbon 34s linear infinite;
}

.brand-ribbon span {
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  padding: 0 32px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-ribbon span::after {
  margin-left: 64px;
  color: var(--brand);
  content: "●";
}

@keyframes ribbon {
  to {
    transform: translateX(-50%);
  }
}

.truth-grid {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: clamp(40px, 7vw, 112px);
  align-items: center;
}

.truth-image {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.truth-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.truth-badge {
  position: absolute;
  right: 24px;
  bottom: 24px;
  width: 190px;
  padding: 22px;
  color: var(--white);
  background: var(--brand);
  border-radius: 50%;
  aspect-ratio: 1;
}

.truth-badge span {
  display: block;
  font-size: 13px;
  font-weight: 700;
}

.truth-badge strong {
  display: block;
  margin-top: 10px;
  font-size: 26px;
  line-height: 1.2;
}

.problem-list {
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}

.problem-list li {
  display: grid;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  grid-template-columns: 42px 1fr;
  gap: 14px;
}

.problem-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.problem-list b {
  color: var(--brand);
}

.service-rail {
  position: relative;
  display: grid;
  margin-top: 62px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.service-rail::before {
  position: absolute;
  z-index: 0;
  top: 28px;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), rgba(255, 255, 255, 0.24));
  content: "";
}

.service-step {
  position: relative;
  z-index: 1;
  padding-right: 24px;
}

.service-step .dot {
  display: grid;
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  place-items: center;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.32);
  background: var(--ink);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 800;
}

.service-step:first-child .dot,
.service-step:last-child .dot {
  border-color: var(--brand);
  background: var(--brand);
}

.service-step h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.service-step p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
}

.service-statement {
  display: flex;
  margin-top: 64px;
  padding: 28px 34px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--ink);
  background: var(--white);
  border-radius: var(--radius-sm);
}

.service-statement strong {
  font-size: clamp(22px, 2vw, 32px);
}

.service-statement span {
  color: var(--muted);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 20px;
}

.scenario-card {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  color: var(--white);
  border-radius: var(--radius-md);
  grid-column: span 4;
  isolation: isolate;
}

.scenario-card img {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
  will-change: transform;
}

.scenario-card::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(180deg, transparent 20%, rgba(16, 14, 13, 0.88) 100%);
  content: "";
}

.scenario-card:hover img {
  transform: scale(1.035);
}

.scenario-content {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 34px;
}

.scenario-index {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 6px 11px;
  color: var(--white);
  background: var(--brand);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.scenario-card h3 {
  margin: 0;
  font-size: clamp(28px, 2.4vw, 38px);
  line-height: 1.2;
}

.scenario-card p {
  margin: 15px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.trial-shell {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(40px, 8vw, 124px);
  align-items: center;
}

.trial-callout {
  padding: clamp(38px, 5vw, 72px);
  color: var(--white);
  background: var(--brand);
  border-radius: var(--radius-lg);
}

.trial-callout .big-number {
  display: block;
  margin: 8px 0 16px;
  font-size: clamp(100px, 13vw, 176px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.09em;
}

.trial-callout h2 {
  margin: 0;
  font-size: clamp(38px, 4.5vw, 62px);
  line-height: 1.15;
}

.trial-callout p {
  color: rgba(255, 255, 255, 0.78);
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  grid-template-columns: 84px 1fr;
  gap: 24px;
}

.timeline li:last-child {
  border-bottom: 1px solid var(--line);
}

.timeline .day {
  color: var(--brand);
  font-size: 21px;
  font-weight: 900;
}

.timeline h3 {
  margin: 0 0 6px;
  font-size: 21px;
}

.timeline p {
  margin: 0;
  color: var(--muted);
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.package-card {
  position: relative;
  padding: 38px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius-md);
}

.package-card.is-featured {
  color: var(--white);
  border-color: var(--brand);
  background: var(--brand);
  transform: translateY(-18px);
  box-shadow: var(--shadow);
}

.package-label {
  color: var(--brand);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.is-featured .package-label {
  color: var(--white);
}

.package-price {
  display: flex;
  margin: 22px 0 10px;
  align-items: baseline;
  gap: 6px;
}

.package-price strong {
  font-size: clamp(54px, 5vw, 78px);
  line-height: 1;
  letter-spacing: -0.06em;
}

.package-original-price {
  display: inline-block;
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.4;
  text-decoration-color: var(--brand);
  text-decoration-line: line-through;
  text-decoration-skip-ink: none;
  text-decoration-thickness: 2px;
}

.package-card.is-featured .package-original-price {
  color: rgba(255, 255, 255, 0.76);
  text-decoration-color: rgba(17, 17, 17, 0.72);
}

.package-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.package-list li {
  display: flex;
  padding: 14px 0;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--line);
}

.is-featured .package-list li {
  border-color: rgba(255, 255, 255, 0.22);
}

.package-list b {
  font-size: 21px;
}

.package-note {
  max-width: 940px;
  margin: 34px auto 0;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.product-feature {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(44px, 7vw, 110px);
  align-items: center;
}

.product-stage {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  background: var(--paper-warm);
  border-radius: var(--radius-lg);
}

.product-stage::before {
  position: absolute;
  top: -12%;
  right: -10%;
  width: 54%;
  background: var(--brand);
  border-radius: 50%;
  content: "";
  aspect-ratio: 1;
}

.product-stage img {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-list {
  display: grid;
  margin-top: 38px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.feature-item {
  padding: 23px;
  border-top: 4px solid var(--brand);
  background: var(--white);
}

.feature-item strong {
  display: block;
  margin-bottom: 7px;
  font-size: 19px;
}

.feature-item span {
  color: var(--muted);
  font-size: 14px;
}

.mascot-band {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  color: var(--white);
  background: var(--brand);
}

.mascot-band::after {
  position: absolute;
  right: -8%;
  bottom: -60%;
  width: 60%;
  height: 140%;
  border: 2px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  content: "";
}

.mascot-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
}

.mascot-copy {
  padding: clamp(72px, 8vw, 130px) 0;
}

.mascot-copy .display {
  max-width: 760px;
}

.mascot-figures {
  position: relative;
  height: 620px;
}

.mascot-figures img {
  position: absolute;
  bottom: -120px;
  width: 48%;
  max-height: 740px;
  object-fit: contain;
}

.mascot-figures img:first-child {
  z-index: 2;
  left: 5%;
}

.mascot-figures img:last-child {
  right: 0;
  bottom: -160px;
  opacity: 0.74;
  transform: scale(0.86);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-question {
  display: grid;
  width: 100%;
  padding: 27px 0;
  border: 0;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  grid-template-columns: 1fr 42px;
  gap: 20px;
  text-align: left;
}

.faq-question span:first-child {
  font-size: clamp(19px, 1.65vw, 25px);
  font-weight: 800;
}

.faq-icon {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--white);
  background: var(--brand);
  border-radius: 50%;
  transition: transform 180ms ease;
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 240ms ease;
}

.faq-answer > div {
  overflow: hidden;
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer p {
  max-width: 920px;
  margin: 0;
  padding: 0 0 28px;
  color: var(--muted);
}

.motion-card {
  will-change: transform;
  transition:
    transform 220ms cubic-bezier(0.2, 0.7, 0.2, 1),
    box-shadow 220ms ease;
}

.motion-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 56px rgba(18, 17, 16, 0.15);
}

.cta-panel.motion-card:hover {
  transform: translateY(-10px);
}

.package-card,
.detail-card,
.machine-card,
.value-card,
.service-step,
.scenario-card,
.mascot-figures,
.truth-image,
.product-stage,
.media-frame {
  will-change: transform;
}

.cta-panel {
  position: relative;
  display: grid;
  min-height: 520px;
  padding: clamp(46px, 7vw, 92px);
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
  border-radius: var(--radius-lg);
  grid-template-columns: 1fr 0.78fr;
  gap: 52px;
  align-items: center;
}

.cta-panel::before {
  position: absolute;
  top: -34%;
  right: -6%;
  width: 52%;
  background: var(--brand);
  border-radius: 50%;
  content: "";
  aspect-ratio: 1;
}

.cta-copy,
.cta-actions {
  position: relative;
  z-index: 1;
}

.cta-copy h2 {
  margin: 0;
  font-size: clamp(42px, 5vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.cta-copy p {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.7);
}

.cta-actions {
  display: grid;
  gap: 14px;
}

.cta-contact {
  display: block;
  padding: 23px 26px;
  color: var(--ink);
  background: var(--white);
  border-radius: var(--radius-sm);
}

.cta-contact span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.cta-contact strong {
  display: block;
  margin-top: 3px;
  font-size: 26px;
}

.site-footer {
  padding: 70px 0 28px;
  color: rgba(255, 255, 255, 0.72);
  background: #0f0f0f;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr repeat(3, 0.7fr);
  gap: 42px;
}

.footer-brand img {
  width: 220px;
}

.footer-brand p {
  max-width: 420px;
  margin-top: 22px;
}

.footer-title {
  margin: 0 0 20px;
  color: var(--white);
  font-size: 15px;
}

.footer-links {
  display: grid;
  gap: 10px;
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  margin-top: 54px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  justify-content: space-between;
  gap: 24px;
  font-size: 13px;
}

.footer-bottom a {
  color: inherit;
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--white);
}

.page-hero {
  position: relative;
  padding: clamp(92px, 10vw, 156px) 0 clamp(74px, 8vw, 120px);
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.page-hero::after {
  position: absolute;
  right: -8%;
  bottom: -72%;
  width: 52%;
  border: 2px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  content: "";
  aspect-ratio: 1;
}

.page-hero .display {
  max-width: 1040px;
}

.page-hero .eyebrow {
  color: var(--white);
}

.page-hero .lead {
  max-width: 790px;
  color: rgba(255, 255, 255, 0.74);
}

.admin-bar .site-header {
  top: 32px;
}

.breadcrumb {
  display: flex;
  margin-bottom: 42px;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
}

.breadcrumb b {
  color: var(--white);
}

.page-hero-red {
  background: var(--brand);
}

.page-hero-image {
  display: grid;
  min-height: 680px;
  padding: 0;
  background: var(--ink);
  grid-template-columns: 0.88fr 1.12fr;
}

.page-hero-image .hero-copy {
  min-height: 680px;
}

.page-hero-image .hero-visual {
  min-height: 680px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.detail-card {
  padding: clamp(30px, 4vw, 52px);
  background: var(--white);
  border-radius: var(--radius-md);
}

.detail-card .number {
  display: block;
  margin-bottom: 48px;
  color: var(--brand);
  font-size: 15px;
  font-weight: 900;
}

.detail-card h3 {
  margin: 0;
  font-size: clamp(27px, 2.4vw, 38px);
  line-height: 1.2;
}

.detail-card p {
  color: var(--muted);
}

.record-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
}

.record-table th,
.record-table td {
  padding: 21px 24px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.record-table th {
  width: 36%;
  color: var(--brand);
  font-weight: 900;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(42px, 7vw, 108px);
  align-items: center;
}

.media-frame {
  min-height: 560px;
  overflow: hidden;
  background: var(--paper-warm);
  border-radius: var(--radius-lg);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bullet-checks {
  display: grid;
  margin: 36px 0 0;
  padding: 0;
  gap: 15px;
  list-style: none;
}

.bullet-checks li {
  position: relative;
  padding-left: 34px;
}

.bullet-checks li::before {
  position: absolute;
  top: 0.15em;
  left: 0;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  color: var(--white);
  background: var(--brand);
  border-radius: 50%;
  content: "✓";
  font-size: 13px;
  font-weight: 900;
}

.machine-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.machine-card {
  display: grid;
  min-height: 560px;
  padding: 40px;
  overflow: hidden;
  background: var(--white);
  border-radius: var(--radius-md);
  grid-template-rows: 1fr auto;
}

.machine-card img {
  width: 100%;
  height: 360px;
  object-fit: contain;
}

.machine-card h3 {
  margin: 14px 0 8px;
  font-size: 30px;
}

.machine-card p {
  margin: 0;
  color: var(--muted);
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.value-card {
  min-height: 360px;
  padding: 38px;
  color: var(--white);
  background: var(--ink);
  border-radius: var(--radius-md);
}

.value-card:nth-child(2) {
  background: var(--brand);
}

.value-card span {
  display: block;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.value-card h3 {
  margin: 70px 0 0;
  font-size: clamp(27px, 2.6vw, 40px);
  line-height: 1.35;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(44px, 8vw, 120px);
}

.contact-cards {
  display: grid;
  gap: 16px;
}

.contact-card {
  width: 100%;
  padding: 28px;
  border: 0;
  background: var(--white);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
}

.contact-card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.contact-card strong {
  display: block;
  margin-top: 7px;
  font-size: 24px;
}

.contact-form {
  padding: clamp(32px, 5vw, 58px);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 14px;
  font-weight: 800;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 54px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 12px;
}

.field textarea {
  min-height: 130px;
  resize: vertical;
}

.form-note {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.form-status {
  display: none;
  margin-top: 18px;
  padding: 14px 16px;
  color: var(--success);
  background: rgba(11, 122, 83, 0.08);
  border-radius: 10px;
}

.form-status.is-visible {
  display: block;
}

.legal-note {
  padding: 20px 22px;
  color: var(--muted);
  border-left: 4px solid var(--brand);
  background: var(--white);
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 640ms cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 640ms cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal[data-reveal="left"] {
  transform: translateX(-24px);
}

.reveal[data-reveal="right"] {
  transform: translateX(24px);
}

.reveal[data-reveal="scale"] {
  transform: scale(0.985);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal[data-reveal="left"].is-visible,
.reveal[data-reveal="right"].is-visible,
.reveal[data-reveal="scale"].is-visible {
  transform: none;
}

.reveal[data-reveal="scale"].is-visible {
  transform: scale(1);
}

@media (prefers-reduced-motion: reduce) {
  .hero-visual > img,
  .hero-mark {
    transform: none;
  }

  .reveal,
  .motion-card,
  .scroll-progress span,
  .scroll-progress::before {
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition-delay: 0ms !important;
  }

  .reveal[data-reveal="left"],
  .reveal[data-reveal="right"],
  .reveal[data-reveal="scale"] {
    transform: none;
  }
}

@media (max-width: 1180px) {
  .site-header {
    background: var(--paper);
    backdrop-filter: none;
  }

  .nav-links {
    position: fixed;
    top: 86px;
    right: 0;
    bottom: auto;
    width: min(430px, 90vw);
    height: calc(100svh - 86px);
    padding: 36px;
    transform: translateX(110%);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    box-shadow: -20px 30px 60px rgba(0, 0, 0, 0.14);
    overflow-y: auto;
    transition: transform 220ms ease;
  }

  .menu-open .nav-links {
    transform: translateX(0);
  }

  .nav-links > a:not(.btn) {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-links > a:not(.btn)::after {
    display: none;
  }

  .nav-links .btn {
    margin-top: 24px;
  }

  .menu-toggle {
    display: block;
  }

  .hero-shell,
  .page-hero-image {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    min-height: 650px;
    padding-left: var(--gutter);
  }

  .hero-visual {
    min-height: 600px;
  }

  .section-heading {
    grid-template-columns: 1fr;
  }

  .service-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    row-gap: 44px;
  }

  .service-rail::before {
    display: none;
  }

  .scenario-card {
    grid-column: span 6;
  }

  .scenario-card:last-child {
    grid-column: 4 / span 6;
  }

  .trial-shell,
  .product-feature,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .truth-grid,
  .mascot-grid {
    grid-template-columns: 1fr;
  }

  .truth-image {
    min-height: 520px;
  }

  .mascot-copy {
    padding-bottom: 20px;
  }

  .mascot-figures {
    height: 520px;
  }

  .footer-grid {
    grid-template-columns: 1.4fr repeat(2, 1fr);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 780px) {
  .admin-bar .site-header {
    top: 46px;
  }

  body {
    font-size: 16px;
  }

  .site-header {
    height: 74px;
  }

  .brand-logo {
    width: 160px;
  }

  .nav-links {
    top: 74px;
    height: calc(100svh - 74px);
  }

  .hero,
  .hero-shell {
    min-height: auto;
  }

  .hero-copy {
    min-height: 620px;
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .hero h1 {
    font-size: clamp(50px, 15vw, 76px);
  }

  .hero-visual {
    min-height: 500px;
  }

  .hero-service-card {
    right: 18px;
    bottom: 18px;
    width: calc(100% - 36px);
  }

  .truth-image {
    min-height: 430px;
    border-radius: var(--radius-md);
  }

  .truth-badge {
    width: 150px;
  }

  .service-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-statement {
    align-items: flex-start;
    flex-direction: column;
  }

  .scenario-card,
  .scenario-card:last-child {
    grid-column: 1 / -1;
  }

  .scenario-card {
    min-height: 480px;
  }

  .package-grid,
  .detail-grid,
  .machine-grid,
  .about-values {
    grid-template-columns: 1fr;
  }

  .package-card.is-featured {
    transform: none;
  }

  .product-stage {
    min-height: 450px;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

  .mascot-figures {
    height: 420px;
  }

  .mascot-figures img {
    width: 60%;
  }

  .cta-panel {
    padding: 40px 28px;
    border-radius: var(--radius-md);
    grid-template-columns: 1fr;
  }

  .cta-panel::before {
    top: auto;
    right: -24%;
    bottom: -20%;
    width: 80%;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .field-full {
    grid-column: auto;
  }

  .record-table,
  .record-table tbody,
  .record-table tr,
  .record-table th,
  .record-table td {
    display: block;
    width: 100%;
  }

  .record-table tr {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
  }

  .record-table th,
  .record-table td {
    padding: 5px 20px;
    border: 0;
  }
}

@media (max-width: 520px) {
  :root {
    --gutter: 18px;
  }

  .section {
    padding: 76px 0;
  }

  .display {
    font-size: 42px;
  }

  .hero h1 {
    font-size: 52px;
  }

  .hero .btn {
    width: 100%;
  }

  .service-rail {
    grid-template-columns: 1fr;
  }

  .service-step {
    display: grid;
    padding: 0;
    grid-template-columns: 56px 1fr;
    gap: 16px;
  }

  .service-step .dot {
    margin: 0;
  }

  .timeline li {
    grid-template-columns: 64px 1fr;
    gap: 12px;
  }

  .package-card,
  .detail-card {
    padding: 28px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* =========================================================
   DIAIKE INTERNATIONAL VISUAL SYSTEM · 1.1.0
   1400px editorial grid / light theme / WCAG 2.2 AA target
   ========================================================= */

:root {
  --brand: #ed1744;
  --brand-deep: #aa0028;
  --brand-dark: #890020;
  --brand-soft: #ffe8ed;
  --ink: #151616;
  --ink-soft: #313534;
  --paper: #f4f5f3;
  --paper-warm: #ecefeb;
  --white: #ffffff;
  --muted: #5c625f;
  --line: #cfd5d1;
  --line-strong: #aeb7b2;
  --success: #0b6f4c;
  --danger: #a90028;
  --container: 1400px;
  --gutter: clamp(24px, 4vw, 56px);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow: 0 28px 76px rgba(27, 35, 31, 0.11);
  --shadow-soft: 0 12px 36px rgba(27, 35, 31, 0.08);
  --font-display: "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

html {
  color-scheme: light;
  background: var(--paper);
  overflow-x: clip;
  scroll-padding-top: 88px;
}

body {
  min-width: 320px;
  overflow-x: clip;
  background:
    linear-gradient(rgba(21, 22, 22, 0.022) 1px, transparent 1px),
    var(--paper);
  background-size: 100% 8px;
  font-size: 16px;
  line-height: 1.72;
  text-wrap: pretty;
}

::selection {
  color: var(--white);
  background: var(--brand-deep);
}

main {
  overflow: clip;
}

img {
  height: auto;
}

p {
  text-wrap: pretty;
}

:where(a, button, input, select, textarea):focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 4px;
}

.container {
  width: min(calc(100% - (var(--gutter) * 2)), var(--container));
}

.section {
  padding: clamp(78px, 8vw, 128px) 0;
}

.section-tight {
  padding: clamp(56px, 6vw, 88px) 0;
}

.section-white {
  background: rgba(255, 255, 255, 0.66);
}

.section-dark,
.section-red {
  color: var(--ink);
  background: var(--paper-warm);
}

.section-dark .lead,
.section-red .lead {
  color: var(--muted);
}

.section-dark .eyebrow,
.section-red .eyebrow {
  color: var(--brand-deep);
}

.display {
  max-width: 980px;
  font-size: clamp(43px, 5vw, 78px);
  font-weight: 860;
  line-height: 1.08;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.display-small {
  font-size: clamp(36px, 3.8vw, 58px);
}

.lead {
  max-width: 700px;
  margin-top: 24px;
  color: var(--muted);
  font-size: clamp(17px, 1.38vw, 21px);
  line-height: 1.7;
}

.eyebrow {
  gap: 0;
  margin-bottom: 18px;
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: none;
}

.eyebrow::before {
  display: none;
}

.section-heading {
  display: block;
  max-width: 900px;
  margin-bottom: clamp(42px, 5vw, 70px);
}

.section-heading .lead {
  margin-top: 24px;
}

.btn-row {
  gap: 12px;
  margin-top: 30px;
}

.btn {
  min-width: 132px;
  min-height: 52px;
  padding-inline: 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
  box-shadow: none;
  transition:
    transform 180ms cubic-bezier(0.2, 0.8, 0.2, 1),
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.58;
  transform: none;
}

.btn-primary {
  background: var(--brand-deep);
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-dark {
  background: var(--ink);
}

.btn-light {
  color: var(--ink);
  background: var(--white);
}

.btn-outline {
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-outline:hover {
  border-color: var(--ink);
}

.btn-arrow::after {
  display: none;
  content: none;
}

.skip-link {
  border-radius: var(--radius-sm);
}

/* Navigation */
.site-header {
  height: 76px;
  border-bottom-color: rgba(21, 22, 22, 0.09);
  background: rgba(244, 245, 243, 0.94);
  backdrop-filter: blur(16px) saturate(130%);
}

.site-header.is-scrolled {
  box-shadow: 0 8px 28px rgba(22, 28, 25, 0.07);
}

.nav-shell {
  gap: 24px;
}

.brand-logo {
  display: flex;
  width: 178px;
  min-height: 44px;
  align-items: center;
}

.brand-logo img {
  aspect-ratio: 1009 / 255;
}

.nav-links {
  gap: clamp(16px, 1.8vw, 28px);
}

.nav-links > a:not(.btn) {
  padding: 24px 8px 21px;
  color: var(--ink-soft);
  font-size: 14px;
}

.nav-links > a:not(.btn)::after {
  bottom: 17px;
  height: 2px;
  background: var(--brand-deep);
}

.nav-links .btn {
  min-height: 44px;
  padding-inline: 18px;
  font-size: 14px;
}

.menu-toggle {
  min-width: 48px;
  min-height: 48px;
}

/* Home hero */
.hero {
  min-height: calc(100svh - 76px);
  padding: 22px 0 34px;
  background: var(--paper);
}

.hero-shell {
  width: min(calc(100% - (var(--gutter) * 2)), var(--container));
  min-height: calc(100svh - 132px);
  margin-inline: auto;
  grid-template-columns: minmax(520px, 0.96fr) minmax(0, 1.04fr);
  gap: 18px;
}

.hero-copy {
  min-height: 620px;
  padding: clamp(48px, 5vw, 78px);
  color: var(--white);
  background:
    radial-gradient(circle at 90% 12%, rgba(255, 255, 255, 0.16), transparent 27%),
    linear-gradient(145deg, var(--brand) 0%, var(--brand-deep) 78%);
  border-radius: var(--radius-lg);
}

.hero-kicker {
  margin-bottom: 24px;
  font-size: 14px;
  letter-spacing: 0;
}

.hero-kicker::before {
  width: 34px;
  height: 2px;
}

.hero h1 {
  max-width: 630px;
  font-size: clamp(52px, 4.55vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.058em;
  text-wrap: balance;
}

.hero .category {
  max-width: 470px;
  margin-top: 26px;
  font-size: clamp(20px, 1.7vw, 25px);
  line-height: 1.45;
}

.hero .btn-outline {
  color: var(--white);
}

.hero-visual {
  min-height: 620px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.hero-visual::after {
  background: linear-gradient(180deg, transparent 62%, rgba(17, 18, 18, 0.22));
}

.hero-visual > img {
  aspect-ratio: 4 / 3;
}

.hero-service-card,
.hero-mark {
  display: none;
}

/* Static trust strip */
.brand-ribbon {
  margin-top: 0;
  color: var(--ink);
  background: var(--white);
  border-block: 1px solid var(--line);
}

.brand-ribbon-track {
  display: grid;
  width: min(calc(100% - (var(--gutter) * 2)), var(--container));
  animation: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.brand-ribbon span {
  display: block;
  min-height: auto;
  padding: 26px clamp(20px, 3vw, 42px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  white-space: normal;
}

.brand-ribbon span + span {
  border-left: 1px solid var(--line);
}

.brand-ribbon span:first-child {
  padding-left: 0;
}

.brand-ribbon span:last-child {
  padding-right: 0;
}

.brand-ribbon span::after {
  display: none;
}

.brand-ribbon b {
  display: block;
  margin-bottom: 3px;
  color: var(--ink);
  font-size: 15px;
}

/* Editorial content layouts */
.truth-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(48px, 7vw, 104px);
}

.truth-image {
  min-height: 580px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.truth-badge {
  right: 18px;
  bottom: 18px;
  width: auto;
  max-width: 220px;
  padding: 19px 21px;
  background: var(--brand-deep);
  border-radius: var(--radius-md);
  aspect-ratio: auto;
}

.truth-badge strong {
  margin-top: 4px;
  font-size: 21px;
}

.problem-list {
  margin-top: 34px;
}

.problem-list li {
  padding-block: 17px;
  border-color: var(--line);
  grid-template-columns: 38px 1fr;
}

.problem-list b {
  color: var(--brand-deep);
}

.service-rail {
  margin-top: 52px;
}

.service-rail::before {
  top: 24px;
  background: var(--line-strong);
}

.service-step {
  padding-right: 18px;
}

.service-step .dot {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--white);
  border: 0;
  background: var(--ink);
  font-size: 13px;
}

.service-step:first-child .dot,
.service-step:last-child .dot {
  background: var(--brand-deep);
}

.service-step h3 {
  color: var(--ink);
  font-size: 19px;
}

.service-step p {
  color: var(--muted);
}

.service-statement {
  margin-top: 54px;
  padding: 24px 28px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius-md);
}

.service-statement strong {
  font-size: clamp(20px, 1.8vw, 28px);
}

/* Asymmetric scenario composition */
.scenario-grid {
  grid-template-columns: minmax(0, 7fr) minmax(360px, 5fr);
  gap: 18px;
}

.scenario-card,
.scenario-card:last-child {
  display: grid;
  min-height: 0;
  overflow: hidden;
  color: var(--ink);
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius-md);
  grid-column: auto;
}

.scenario-card:first-child {
  grid-row: span 2;
}

.scenario-card:not(:first-child) {
  grid-template-columns: minmax(150px, 0.9fr) minmax(0, 1.1fr);
}

.scenario-card img {
  position: static;
  width: 100%;
  height: 100%;
  min-height: 250px;
  object-fit: cover;
  transform: none;
}

.scenario-card:first-child img {
  min-height: 500px;
  aspect-ratio: 7 / 5;
}

.scenario-card::after {
  display: none;
}

.scenario-card:hover img {
  transform: none;
}

.scenario-content {
  position: static;
  padding: clamp(24px, 3vw, 38px);
  align-self: end;
}

.scenario-index {
  margin-bottom: 14px;
  padding: 0;
  color: var(--brand-deep);
  background: transparent;
  border-radius: 0;
  font-size: 13px;
}

.scenario-card h3 {
  font-size: clamp(27px, 2.2vw, 36px);
}

.scenario-card:not(:first-child) h3 {
  font-size: clamp(22px, 1.8vw, 28px);
}

.scenario-card p {
  color: var(--muted);
}

.trial-shell {
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(48px, 8vw, 108px);
}

.trial-callout {
  background:
    radial-gradient(circle at 92% 8%, rgba(255, 255, 255, 0.17), transparent 30%),
    var(--brand-deep);
  border-radius: var(--radius-lg);
}

.trial-callout .eyebrow {
  color: var(--white);
}

.trial-callout .big-number {
  font-size: clamp(96px, 12vw, 154px);
}

.timeline li {
  padding-block: 19px;
}

.timeline .day {
  color: var(--brand-deep);
}

.product-feature {
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: clamp(48px, 7vw, 96px);
}

.product-stage {
  min-height: 560px;
  background: var(--paper-warm);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.product-stage::before {
  display: none;
}

.feature-list {
  gap: 0 22px;
}

.feature-item {
  padding: 20px 0;
  border-top: 1px solid var(--line-strong);
  background: transparent;
}

/* Mascot is a contained brand moment, not a page-theme switch */
.mascot-band {
  min-height: 0;
  padding: 0;
  color: var(--white);
  background: var(--paper);
}

.mascot-band::after {
  display: none;
}

.mascot-grid {
  min-height: 590px;
  padding-inline: clamp(34px, 6vw, 88px);
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 8%, rgba(255, 255, 255, 0.14), transparent 28%),
    var(--brand-deep);
  border-radius: var(--radius-lg);
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
}

.mascot-copy {
  padding-block: clamp(64px, 7vw, 104px);
}

.mascot-copy .eyebrow,
.mascot-copy .lead {
  color: rgba(255, 255, 255, 0.82);
}

.mascot-figures {
  height: 590px;
}

.mascot-figures img {
  bottom: -130px;
}

/* FAQs and conversion */
.faq-list {
  border-top-color: var(--line-strong);
}

.faq-item {
  border-bottom-color: var(--line);
}

.faq-question {
  min-height: 72px;
  padding-block: 23px;
}

.faq-question span:first-child {
  font-size: clamp(18px, 1.5vw, 23px);
}

.faq-icon {
  width: 40px;
  height: 40px;
  background: var(--brand-deep);
}

.faq-answer p {
  color: var(--muted);
}

.cta-panel {
  min-height: 440px;
  padding: clamp(42px, 6vw, 78px);
  background:
    radial-gradient(circle at 85% 18%, rgba(237, 23, 68, 0.34), transparent 32%),
    var(--ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.cta-panel::before {
  display: none;
}

.cta-copy .eyebrow {
  color: #ff8da6;
}

.cta-copy h2 {
  font-size: clamp(40px, 4.6vw, 66px);
}

.cta-contact {
  padding: 20px 22px;
  border-radius: var(--radius-sm);
}

/* Sub-page heroes stay in the same light theme */
.page-hero {
  padding: clamp(82px, 9vw, 132px) 0 clamp(68px, 7vw, 104px);
  color: var(--ink);
  background:
    linear-gradient(90deg, var(--brand-soft) 0, transparent 36%),
    var(--paper);
  border-bottom: 1px solid var(--line);
}

.page-hero::after {
  display: none;
}

.page-hero-red {
  color: var(--ink);
  background:
    linear-gradient(90deg, var(--brand-soft) 0, transparent 36%),
    var(--paper);
}

.page-hero .eyebrow,
.page-hero-red .eyebrow {
  color: var(--brand-deep);
}

.page-hero .lead,
.page-hero-red .lead {
  color: var(--muted);
}

.breadcrumb {
  margin-bottom: 34px;
  color: var(--muted);
}

.breadcrumb b {
  color: var(--ink);
}

.breadcrumb a {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  margin-block: -10px;
  align-items: center;
  justify-content: center;
}

.page-hero-image {
  width: min(calc(100% - (var(--gutter) * 2)), var(--container));
  min-height: 610px;
  margin: 22px auto 34px;
  padding: 0;
  overflow: hidden;
  background: var(--paper);
  border-radius: var(--radius-lg);
  grid-template-columns: minmax(520px, 0.96fr) minmax(0, 1.04fr);
  gap: 18px;
}

.page-hero-image .hero-copy {
  min-height: 610px;
}

.page-hero-image .hero-visual {
  min-height: 610px;
}

.page-hero-image .display {
  font-size: clamp(48px, 4vw, 58px);
}

.page-hero-image .breadcrumb {
  color: rgba(255, 255, 255, 0.72);
}

.page-hero-image .breadcrumb b {
  color: var(--white);
}

.page-hero-image .lead {
  color: rgba(255, 255, 255, 0.82);
}

/* Content components */
.detail-grid {
  gap: 0 36px;
}

.detail-card {
  min-height: 240px;
  padding: 32px 0 36px;
  border-top: 1px solid var(--line-strong);
  background: transparent;
  border-radius: 0;
}

.detail-card .number {
  margin-bottom: 38px;
  color: var(--brand-deep);
}

.detail-card h3 {
  font-size: clamp(25px, 2.1vw, 34px);
}

.record-table {
  background: transparent;
}

.record-table tbody {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.record-table tr {
  display: block;
  min-height: 142px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius-sm);
}

.record-table th,
.record-table td {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
}

.record-table th {
  margin-bottom: 8px;
  color: var(--brand-deep);
}

.split {
  gap: clamp(48px, 7vw, 96px);
}

.media-frame {
  min-height: 520px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.bullet-checks li::before {
  background: var(--brand-deep);
}

.machine-grid {
  gap: 18px;
}

.machine-card {
  min-height: 540px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.about-values {
  gap: 16px;
}

.value-card {
  min-height: 320px;
  padding: 32px;
  background: var(--ink);
  border-radius: var(--radius-md);
}

.value-card:nth-child(2),
.value-card:nth-child(5) {
  background: var(--brand-deep);
}

.value-card h3 {
  margin-top: 58px;
}

.package-grid {
  gap: 16px;
  align-items: stretch;
}

.package-card {
  padding: 34px;
  border-color: var(--line);
  border-radius: var(--radius-md);
}

.package-card.is-featured {
  border-color: var(--brand-deep);
  background: var(--brand-deep);
  transform: translateY(-10px);
}

.package-label,
.timeline .day {
  color: var(--brand-deep);
}

.contact-grid {
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(48px, 7vw, 96px);
}

.contact-cards {
  margin-top: 34px;
  gap: 0;
  border-top: 1px solid var(--line);
}

.contact-card {
  min-height: 86px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  border-radius: 0;
}

.contact-card strong {
  font-size: clamp(19px, 1.7vw, 24px);
}

.contact-form {
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.field {
  gap: 7px;
}

.field label {
  color: var(--ink-soft);
  font-size: 14px;
}

.field small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.field input,
.field select,
.field textarea {
  min-height: 54px;
  color: var(--ink);
  border-color: var(--line-strong);
  background: #fbfcfb;
  border-radius: var(--radius-sm);
}

.field input::placeholder,
.field textarea::placeholder {
  color: #737a76;
  opacity: 1;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--brand-deep);
  outline: 3px solid rgba(237, 23, 68, 0.18);
  outline-offset: 1px;
}

.form-note {
  color: var(--muted);
  font-size: 13px;
}

.form-status {
  color: var(--success);
  background: #e6f4ee;
  border-radius: var(--radius-sm);
}

.legal-note {
  border-left-color: var(--brand-deep);
  background: var(--white);
}

/* Motion-safe by default: content never depends on JavaScript visibility */
.reveal,
.reveal.is-visible {
  opacity: 1;
  transform: none;
  transition: none;
}

/* Footer is the single deliberate terminal theme transition */
.site-footer {
  padding: 64px 0 28px;
  background: var(--ink);
}

.footer-grid {
  grid-template-columns: minmax(300px, 1.45fr) repeat(3, minmax(140px, 0.55fr));
  gap: 40px;
}

.footer-brand img {
  width: 200px;
  aspect-ratio: 1009 / 255;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.68);
}

.footer-links a {
  display: flex;
  min-height: 44px;
  align-items: center;
}

.footer-bottom a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}

.footer-bottom {
  color: rgba(255, 255, 255, 0.62);
}

/* Responsive */
@media (max-width: 1180px) {
  .site-header {
    height: 76px;
  }

  .nav-links {
    top: 76px;
    height: calc(100svh - 76px);
    padding: 28px;
    transform: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    background: var(--paper);
    transition:
      opacity 180ms ease,
      visibility 180ms ease;
  }

  .menu-open .nav-links {
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-links > a:not(.btn) {
    min-height: 52px;
    padding: 14px 0;
  }

  .menu-open::after {
    position: fixed;
    z-index: 90;
    inset: 76px 0 0;
    background: rgba(10, 12, 11, 0.28);
    content: "";
  }

  .hero-shell,
  .page-hero-image {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .hero-shell {
    min-height: 0;
  }

  .hero-copy {
    min-height: 560px;
  }

  .hero-visual {
    min-height: 540px;
  }

  .page-hero-image {
    margin-top: 18px;
  }

  .page-hero-image .hero-copy {
    min-height: 520px;
  }

  .page-hero-image .hero-visual {
    min-height: 520px;
  }

  .scenario-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scenario-card:first-child {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .scenario-card:not(:first-child) {
    display: block;
  }

  .scenario-card:not(:first-child) img {
    height: 320px;
  }

  .footer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-links a {
    min-height: 44px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 780px) {
  :root {
    --gutter: 20px;
    --radius-lg: 22px;
  }

  body {
    font-size: 16px;
  }

  .brand-logo {
    width: 156px;
  }

  .section {
    padding: 72px 0;
  }

  .section-tight {
    padding: 52px 0;
  }

  .display {
    font-size: clamp(38px, 11vw, 52px);
  }

  .display-small {
    font-size: clamp(34px, 9vw, 46px);
  }

  .lead {
    font-size: 17px;
  }

  .hero {
    padding-block: 14px 24px;
  }

  .hero-copy {
    min-height: 520px;
    padding: 50px 28px;
  }

  .hero h1 {
    font-size: clamp(48px, 13.5vw, 66px);
  }

  .hero .category {
    font-size: 20px;
  }

  .hero-visual {
    min-height: 420px;
  }

  .brand-ribbon-track {
    grid-template-columns: 1fr;
  }

  .brand-ribbon span,
  .brand-ribbon span:first-child,
  .brand-ribbon span:last-child {
    padding: 18px 0;
  }

  .brand-ribbon span + span {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .truth-grid,
  .trial-shell,
  .product-feature,
  .split,
  .contact-grid,
  .mascot-grid {
    grid-template-columns: 1fr;
  }

  .truth-image {
    min-height: 420px;
  }

  .service-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .scenario-card:first-child,
  .scenario-card:not(:first-child) {
    display: grid;
    grid-template-columns: 1fr;
  }

  .scenario-card:first-child img,
  .scenario-card:not(:first-child) img {
    height: 300px;
    min-height: 0;
    aspect-ratio: 4 / 3;
  }

  .product-stage {
    min-height: 420px;
  }

  .mascot-grid {
    padding-inline: 26px;
  }

  .mascot-copy {
    padding-bottom: 14px;
  }

  .mascot-figures {
    height: 400px;
  }

  .cta-panel {
    min-height: 0;
    padding: 38px 26px;
  }

  .page-hero {
    padding-block: 76px 64px;
  }

  .page-hero-image {
    width: calc(100% - (var(--gutter) * 2));
  }

  .page-hero-image .hero-copy {
    min-height: 500px;
  }

  .page-hero-image .hero-visual {
    min-height: 410px;
  }

  .record-table tbody {
    grid-template-columns: 1fr;
  }

  .detail-grid,
  .package-grid,
  .machine-grid,
  .about-values,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .field-full {
    grid-column: auto;
  }

  .package-card.is-featured {
    transform: none;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  :root {
    --gutter: 18px;
  }

  .hero-copy {
    min-height: 490px;
    padding: 44px 24px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero .btn {
    width: 100%;
  }

  .hero-visual {
    min-height: 340px;
  }

  .service-rail {
    grid-template-columns: 1fr;
  }

  .service-step {
    grid-template-columns: 48px 1fr;
  }

  .truth-badge {
    right: 12px;
    bottom: 12px;
  }

  .scenario-card:first-child img,
  .scenario-card:not(:first-child) img {
    height: 250px;
  }

  .trial-callout,
  .package-card,
  .detail-card,
  .machine-card {
    padding-inline: 24px;
  }

  .mascot-figures {
    height: 330px;
  }

  .faq-question {
    grid-template-columns: 1fr 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-contrast: more) {
  :root {
    --muted: #414643;
    --line: #8e9892;
    --line-strong: #68726c;
  }

  .btn-outline {
    border-width: 2px;
  }
}

/* =========================================================
   DIAIKE BRAND THEATER · 1.2.0
   High-impact red / editorial scale / light-page continuity
   ========================================================= */

:root {
  --brand: #ed1744;
  --brand-deep: #c80032;
  --brand-dark: #9f0026;
  --brand-soft: #fff0f3;
  --ink: #121313;
  --ink-soft: #2f3130;
  --paper: #f7f6f3;
  --paper-warm: #efeee9;
  --white: #ffffff;
  --muted: #606360;
  --line: #d8d8d2;
  --line-strong: #b9bbb6;
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 34px;
  --shadow: 0 30px 90px rgba(18, 19, 19, 0.14);
  --shadow-soft: 0 18px 52px rgba(18, 19, 19, 0.09);
}

html {
  scroll-padding-top: 80px;
}

body {
  background: var(--paper);
  background-image: none;
  font-size: 17px;
}

.section {
  padding: clamp(96px, 9vw, 148px) 0;
}

.section-tight {
  padding: clamp(68px, 7vw, 104px) 0;
}

.section-white {
  background: var(--white);
}

.section-dark,
.section-red {
  color: var(--ink);
  background: var(--paper-warm);
}

.display {
  max-width: 1060px;
  font-size: clamp(48px, 5.4vw, 82px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.display-small {
  font-size: clamp(40px, 4.25vw, 66px);
}

.lead {
  max-width: 760px;
  font-size: clamp(18px, 1.5vw, 22px);
}

.eyebrow {
  margin-bottom: 20px;
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 850;
}

.btn {
  min-height: 56px;
  padding-inline: 28px;
  border-radius: 999px;
  font-size: 16px;
  transition:
    transform 240ms cubic-bezier(0.22, 1, 0.36, 1),
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn-primary {
  background: var(--brand);
}

.btn-primary:hover {
  background: var(--brand-deep);
}

.btn-dark {
  background: var(--ink);
}

.btn-outline {
  border-color: var(--line-strong);
}

/* Larger, calmer navigation */
.site-header {
  height: 80px;
  border-bottom: 1px solid rgba(18, 19, 19, 0.08);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(18px) saturate(140%);
}

.site-header.is-scrolled {
  box-shadow: 0 12px 36px rgba(18, 19, 19, 0.08);
}

.brand-logo {
  width: 204px;
}

.nav-links {
  gap: clamp(16px, 1.9vw, 30px);
}

.nav-links > a:not(.btn) {
  min-width: 44px;
  padding: 27px 6px 24px;
  color: var(--ink);
  font-size: 15px;
}

.nav-links > a:not(.btn)::after {
  bottom: 18px;
  height: 3px;
  background: var(--brand);
}

.nav-links .btn {
  min-height: 48px;
  font-size: 15px;
}

/* Full-bleed signature hero */
.hero {
  min-height: calc(100svh - 80px);
  padding: 0;
  background: var(--brand);
}

.hero-shell {
  width: 100%;
  min-height: calc(100svh - 80px);
  margin: 0;
  grid-template-columns: minmax(500px, 0.88fr) minmax(620px, 1.12fr);
  gap: 0;
}

.hero-copy {
  min-height: calc(100svh - 80px);
  padding: clamp(60px, 7vw, 108px) var(--gutter);
  padding-left: max(var(--gutter), calc((100vw - var(--container)) / 2));
  color: var(--white);
  background: var(--brand);
  border-radius: 0;
}

.hero-kicker {
  margin-bottom: 28px;
  font-size: 15px;
  letter-spacing: 0.06em;
}

.hero-kicker::before {
  width: 48px;
  height: 3px;
}

.hero h1 {
  max-width: 720px;
  font-size: clamp(64px, 5.9vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.065em;
}

.hero .category {
  margin-top: 30px;
  font-size: clamp(23px, 2vw, 30px);
}

.hero .btn-row {
  margin-top: 34px;
}

.hero .btn-light {
  color: var(--ink);
}

.hero .btn-outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.62);
}

.hero .btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.12);
}

.hero-mark {
  display: block;
  width: min(440px, 84%);
  margin-top: 44px;
  opacity: 0.96;
}

.hero-visual {
  min-height: calc(100svh - 80px);
  border-radius: 0;
  box-shadow: none;
}

.hero-visual::after {
  background: rgba(18, 19, 19, 0.08);
}

.hero-visual > img {
  height: 100%;
  aspect-ratio: auto;
  object-position: 52% center;
  transition: transform 1000ms cubic-bezier(0.22, 1, 0.36, 1);
}

.hero:hover .hero-visual > img {
  transform: scale(1.018);
}

/* Three proof points as a strong black dock */
.brand-ribbon {
  color: var(--white);
  border: 0;
  border-bottom: 4px solid var(--brand);
  background: var(--ink);
}

.brand-ribbon-track {
  color: var(--white);
  background: var(--ink);
}

.brand-ribbon span {
  min-height: 106px;
  padding: 24px clamp(24px, 3vw, 48px);
  color: rgba(255, 255, 255, 0.66);
}

.brand-ribbon span + span {
  border-color: rgba(255, 255, 255, 0.16);
}

.brand-ribbon b {
  color: var(--white);
  font-size: 17px;
}

/* Editorial truth section */
.truth-grid {
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(60px, 8vw, 124px);
}

.truth-image {
  min-height: 680px;
  border: 10px solid var(--white);
  border-radius: 180px var(--radius-lg) var(--radius-lg) var(--radius-lg);
  box-shadow:
    0 0 0 1px var(--line),
    var(--shadow-soft);
}

.truth-image img {
  transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.truth-image:hover img {
  transform: scale(1.025);
}

.truth-badge {
  right: 26px;
  bottom: 26px;
  display: flex;
  width: 194px;
  max-width: none;
  padding: 28px;
  flex-direction: column;
  justify-content: center;
  color: var(--white);
  background: var(--brand);
  border: 8px solid var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 1;
}

.truth-badge strong {
  margin-top: 8px;
  font-size: 25px;
}

.problem-list {
  margin-top: 38px;
}

.problem-list li {
  min-height: 62px;
  padding-block: 18px;
  grid-template-columns: 44px 1fr;
}

.problem-list b {
  color: var(--brand);
  font-size: 16px;
}

/* Service route as one continuous line */
.page-home .section-dark {
  border-block: 1px solid var(--line);
}

.service-rail {
  margin-top: 58px;
}

.service-rail::before {
  top: 27px;
  height: 3px;
  background: var(--brand);
}

.service-step {
  padding-right: 24px;
}

.service-step .dot {
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  color: var(--white);
  border: 6px solid var(--paper-warm);
  background: var(--ink);
  box-shadow: 0 0 0 1px var(--line-strong);
}

.service-step:first-child .dot,
.service-step:last-child .dot {
  background: var(--brand);
}

.service-step h3 {
  font-size: 21px;
}

.service-statement {
  margin-top: 64px;
  padding: 30px 34px;
  border: 0;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: 0 0 0 1px var(--line);
}

/* Image-led scene mosaic */
.scenario-grid {
  grid-template-columns: minmax(0, 7fr) minmax(360px, 5fr);
  gap: 20px;
}

.scenario-card,
.scenario-card:last-child,
.scenario-card:not(:first-child) {
  position: relative;
  display: block;
  min-height: 320px;
  overflow: hidden;
  color: var(--white);
  border: 0;
  background: var(--ink);
  border-radius: var(--radius-md);
  isolation: isolate;
}

.scenario-card:first-child {
  min-height: 660px;
  grid-row: span 2;
}

.scenario-card img,
.scenario-card:first-child img,
.scenario-card:not(:first-child) img {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  transition: transform 650ms cubic-bezier(0.22, 1, 0.36, 1);
}

.scenario-card::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  display: block;
  background: rgba(18, 19, 19, 0.34);
  content: "";
}

.scenario-card:hover img {
  transform: scale(1.045);
}

.scenario-content {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: clamp(28px, 4vw, 52px);
  color: var(--white);
}

.scenario-index {
  margin-bottom: 16px;
  color: var(--white);
  font-size: 14px;
}

.scenario-card h3,
.scenario-card:not(:first-child) h3 {
  max-width: 510px;
  color: var(--white);
  font-size: clamp(28px, 2.7vw, 44px);
}

.scenario-card p {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.78);
}

/* Trial: one unmistakable conversion object */
.trial-shell {
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(64px, 9vw, 132px);
}

.trial-callout {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 6vw, 82px);
  background: var(--brand);
  border-radius: var(--radius-lg);
  box-shadow:
    18px 18px 0 var(--brand-soft),
    var(--shadow);
}

.trial-callout::after {
  position: absolute;
  right: -100px;
  bottom: -112px;
  width: 260px;
  border: 2px solid rgba(255, 255, 255, 0.38);
  border-radius: 50%;
  content: "";
  aspect-ratio: 1;
}

.trial-callout .big-number {
  margin-block: 6px 22px;
  font-size: clamp(128px, 14vw, 196px);
}

.timeline li {
  min-height: 104px;
  padding-block: 24px;
  grid-template-columns: 92px 1fr;
}

.timeline .day {
  color: var(--brand);
  font-size: 22px;
}

/* Product showcase with a physical frame */
.product-feature {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(60px, 8vw, 118px);
}

.product-stage {
  min-height: 650px;
  border: 10px solid var(--white);
  background: var(--paper-warm);
  border-radius: var(--radius-lg);
  box-shadow:
    0 0 0 1px var(--line),
    var(--shadow);
}

.product-stage img {
  transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.product-stage:hover img {
  transform: scale(1.02);
}

.feature-list {
  margin-top: 40px;
  gap: 0 28px;
}

.feature-item {
  min-height: 98px;
  padding: 24px 0;
  border-top: 2px solid var(--ink);
}

.feature-item strong {
  font-size: 20px;
}

/* Mascot returns as the brand theater */
.mascot-band {
  min-height: 660px;
  color: var(--white);
  background: var(--brand);
}

.mascot-grid {
  min-height: 660px;
  padding-inline: 0;
  overflow: visible;
  background: transparent;
  border-radius: 0;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
}

.mascot-copy {
  padding-block: clamp(82px, 9vw, 132px);
}

.mascot-copy .eyebrow,
.mascot-copy .lead {
  color: rgba(255, 255, 255, 0.84);
}

.mascot-figures {
  height: 660px;
}

.mascot-figures img {
  bottom: -128px;
  width: 55%;
  filter: drop-shadow(0 28px 28px rgba(107, 0, 24, 0.24));
  transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

.mascot-figures img:first-child {
  left: 0;
}

.mascot-figures img:last-child {
  right: -4%;
  bottom: -170px;
  transform: scale(0.82);
}

.mascot-band:hover .mascot-figures img:first-child {
  transform: translateY(-10px) rotate(-1deg);
}

.mascot-band:hover .mascot-figures img:last-child {
  transform: translateY(-6px) scale(0.82) rotate(1deg);
}

/* FAQ and closing conversion */
.faq-list {
  border-top: 2px solid var(--ink);
}

.faq-question {
  min-height: 92px;
  padding-block: 28px;
  grid-template-columns: minmax(0, 1fr) 46px;
}

.faq-question span:first-child {
  font-size: 20px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.faq-icon {
  width: 46px;
  height: 46px;
  background: var(--brand);
}

.cta-panel {
  min-height: 500px;
  padding: clamp(52px, 7vw, 92px);
  overflow: hidden;
  background: var(--ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.cta-panel::before {
  position: absolute;
  top: -42%;
  right: -5%;
  display: block;
  width: 54%;
  background: var(--brand);
  border-radius: 50%;
  content: "";
  aspect-ratio: 1;
}

.cta-copy h2 {
  font-size: clamp(48px, 5vw, 74px);
}

.cta-actions {
  gap: 16px;
}

.cta-contact {
  padding: 24px 26px;
}

/* Subpage opening theater */
.page-hero,
.page-hero-red {
  position: relative;
  padding: clamp(110px, 11vw, 172px) 0 clamp(88px, 9vw, 132px);
  overflow: hidden;
  color: var(--white);
  background: var(--brand);
  border-bottom: 0;
}

.page-hero::after,
.page-hero-red::after {
  position: absolute;
  right: 2%;
  bottom: -12%;
  display: block;
  width: min(520px, 38vw);
  background: url("images/brand-triad-white.png") center / contain no-repeat;
  border: 0;
  border-radius: 0;
  content: "";
  opacity: 0.18;
  aspect-ratio: 1288 / 379;
}

.page-hero .container,
.page-hero-red .container {
  position: relative;
  z-index: 1;
}

.page-hero .display {
  max-width: 1120px;
  font-size: clamp(54px, 5.8vw, 88px);
}

.page-hero .eyebrow,
.page-hero-red .eyebrow,
.page-hero .lead,
.page-hero-red .lead {
  color: var(--white);
}

.page-hero .lead,
.page-hero-red .lead {
  max-width: 780px;
  opacity: 0.82;
}

.breadcrumb {
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.72);
}

.breadcrumb b {
  color: var(--white);
}

.page-hero-image {
  width: 100%;
  min-height: calc(100svh - 80px);
  margin: 0;
  overflow: hidden;
  background: var(--brand);
  border-radius: 0;
  grid-template-columns: minmax(500px, 0.88fr) minmax(620px, 1.12fr);
  gap: 0;
}

.page-hero-image .hero-copy,
.page-hero-image .hero-visual {
  min-height: calc(100svh - 80px);
}

.page-hero-image .display {
  font-size: clamp(56px, 5vw, 78px);
}

.page-hero-image .breadcrumb,
.page-hero-image .breadcrumb b,
.page-hero-image .lead {
  color: var(--white);
}

/* Internal content, less template-like and more editorial */
.detail-grid {
  gap: 22px;
}

.detail-card {
  min-height: 290px;
  padding: clamp(34px, 4vw, 54px);
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: none;
  transition:
    transform 240ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 240ms ease,
    border-color 240ms ease;
}

.detail-card:hover {
  transform: translateY(-5px);
  border-color: transparent;
  box-shadow: var(--shadow-soft);
}

.detail-card .number {
  margin-bottom: 52px;
  color: var(--brand);
  font-size: 16px;
}

.detail-card h3 {
  font-size: clamp(28px, 2.35vw, 38px);
}

.page-service .detail-card:nth-child(1),
.page-service .detail-card:nth-child(6),
.page-about .detail-card:nth-child(2),
.page-solutions .detail-card:nth-child(3) {
  color: var(--white);
  border-color: var(--brand);
  background: var(--brand);
}

.page-service .detail-card:nth-child(1) .number,
.page-service .detail-card:nth-child(6) .number,
.page-about .detail-card:nth-child(2) .number,
.page-solutions .detail-card:nth-child(3) .number,
.page-service .detail-card:nth-child(1) p,
.page-service .detail-card:nth-child(6) p,
.page-about .detail-card:nth-child(2) p,
.page-solutions .detail-card:nth-child(3) p {
  color: rgba(255, 255, 255, 0.8);
}

.split {
  gap: clamp(64px, 8vw, 122px);
}

.media-frame {
  min-height: 620px;
  border: 10px solid var(--white);
  border-radius: var(--radius-lg);
  box-shadow:
    0 0 0 1px var(--line),
    var(--shadow-soft);
}

.record-table tbody {
  gap: 16px;
}

.record-table tr {
  min-height: 154px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.machine-grid {
  gap: 24px;
}

.machine-card {
  min-height: 600px;
  padding: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition:
    transform 240ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 240ms ease;
}

.machine-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
}

.machine-card img {
  height: 390px;
}

.about-values {
  gap: 20px;
}

.value-card {
  min-height: 390px;
  padding: 40px;
  border-radius: var(--radius-md);
  transition: transform 240ms cubic-bezier(0.22, 1, 0.36, 1);
}

.value-card:hover {
  transform: translateY(-5px);
}

.value-card:nth-child(2),
.value-card:nth-child(5) {
  background: var(--brand);
}

.value-card h3 {
  margin-top: 72px;
}

.package-grid {
  gap: 22px;
}

.package-card {
  padding: 40px;
  border-radius: var(--radius-md);
}

.package-card.is-featured {
  background: var(--brand);
  border-color: var(--brand);
  box-shadow: var(--shadow);
}

.contact-grid {
  gap: clamp(64px, 8vw, 118px);
}

.contact-cards {
  margin-top: 38px;
  border-top: 2px solid var(--ink);
}

.contact-card {
  min-height: 100px;
  padding: 24px 0;
}

.contact-form {
  padding: clamp(38px, 5vw, 64px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.field input,
.field select,
.field textarea {
  min-height: 58px;
  padding: 15px 17px;
  background: var(--paper);
}

.field textarea {
  min-height: 148px;
}

.site-footer {
  padding: 78px 0 30px;
  border-top: 6px solid var(--brand);
  background: var(--ink);
}

.footer-brand img {
  width: 226px;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy > * {
    animation: diaike-hero-enter 720ms both cubic-bezier(0.22, 1, 0.36, 1);
  }

  .hero-copy > :nth-child(2) {
    animation-delay: 80ms;
  }

  .hero-copy > :nth-child(3) {
    animation-delay: 140ms;
  }

  .hero-copy > :nth-child(4) {
    animation-delay: 200ms;
  }

  .hero-copy > :nth-child(5) {
    animation-delay: 260ms;
  }
}

@keyframes diaike-hero-enter {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .site-header {
    height: 78px;
  }

  .nav-links {
    top: 78px;
    height: calc(100svh - 78px);
    background: var(--white);
  }

  .menu-open::after {
    inset: 78px 0 0;
  }

  .hero-shell,
  .page-hero-image {
    grid-template-columns: 1fr;
  }

  .hero,
  .hero-shell,
  .hero-copy,
  .hero-visual,
  .page-hero-image,
  .page-hero-image .hero-copy,
  .page-hero-image .hero-visual {
    min-height: 0;
  }

  .hero-copy,
  .page-hero-image .hero-copy {
    min-height: 650px;
    padding-left: var(--gutter);
  }

  .hero-visual,
  .page-hero-image .hero-visual {
    min-height: 600px;
  }

  .scenario-card:first-child {
    grid-column: 1 / -1;
    min-height: 560px;
  }

  .scenario-card:not(:first-child) {
    display: block;
    min-height: 360px;
  }

  .truth-image,
  .product-stage,
  .media-frame {
    min-height: 560px;
  }
}

@media (max-width: 780px) {
  :root {
    --gutter: 20px;
    --radius-lg: 26px;
  }

  .site-header {
    height: 74px;
  }

  .brand-logo {
    width: 164px;
  }

  .nav-links {
    top: 74px;
    height: calc(100svh - 74px);
  }

  .menu-open::after {
    inset: 74px 0 0;
  }

  .section {
    padding: 78px 0;
  }

  .section-tight {
    padding: 56px 0;
  }

  .display {
    font-size: clamp(40px, 11vw, 54px);
  }

  .display-small {
    font-size: clamp(36px, 9.5vw, 48px);
  }

  .hero {
    padding: 0;
  }

  .hero-copy,
  .page-hero-image .hero-copy {
    min-height: 590px;
    padding: 64px 26px 58px;
  }

  .hero h1 {
    font-size: clamp(52px, 14vw, 70px);
  }

  .hero-mark {
    width: min(380px, 92%);
    margin-top: 38px;
  }

  .hero-visual,
  .page-hero-image .hero-visual {
    min-height: 480px;
  }

  .brand-ribbon span,
  .brand-ribbon span:first-child,
  .brand-ribbon span:last-child {
    min-height: 0;
    padding: 21px 0;
  }

  .brand-ribbon span + span {
    border-color: rgba(255, 255, 255, 0.16);
  }

  .truth-grid,
  .trial-shell,
  .product-feature,
  .split,
  .contact-grid,
  .mascot-grid {
    grid-template-columns: 1fr;
  }

  .truth-image {
    min-height: 470px;
    border-width: 7px;
    border-radius: 110px var(--radius-lg) var(--radius-lg) var(--radius-lg);
  }

  .truth-badge {
    width: 152px;
    padding: 21px;
    border-width: 6px;
  }

  .truth-badge strong {
    font-size: 20px;
  }

  .service-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-rail::before {
    display: none;
  }

  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .scenario-card:first-child,
  .scenario-card:not(:first-child) {
    min-height: 440px;
  }

  .scenario-card img,
  .scenario-card:first-child img,
  .scenario-card:not(:first-child) img {
    height: 100%;
    min-height: 100%;
    aspect-ratio: auto;
  }

  .trial-callout {
    margin-right: 14px;
    padding: 46px 32px;
  }

  .timeline li {
    grid-template-columns: 70px 1fr;
    gap: 14px;
  }

  .product-stage,
  .media-frame {
    min-height: 470px;
    border-width: 7px;
  }

  .mascot-band,
  .mascot-grid {
    min-height: 0;
  }

  .mascot-grid {
    padding-inline: var(--gutter);
  }

  .mascot-copy {
    padding-bottom: 6px;
  }

  .mascot-figures {
    height: 460px;
  }

  .mascot-figures img {
    width: 62%;
  }

  .page-hero,
  .page-hero-red {
    padding-block: 88px 76px;
  }

  .page-hero .display {
    font-size: clamp(42px, 11.5vw, 56px);
  }

  .page-hero::after,
  .page-hero-red::after {
    right: -12%;
    bottom: -5%;
    width: 72vw;
  }

  .detail-grid,
  .package-grid,
  .machine-grid,
  .about-values,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .detail-card {
    min-height: 260px;
  }

  .machine-card {
    min-height: 540px;
    padding: 34px 28px;
  }

  .value-card {
    min-height: 320px;
  }

  .contact-form {
    padding: 34px 24px;
  }

  .cta-panel {
    min-height: 0;
    padding: 44px 28px;
  }

  .cta-panel::before {
    top: auto;
    right: -35%;
    bottom: -32%;
    width: 92%;
  }
}

@media (max-width: 520px) {
  :root {
    --gutter: 18px;
  }

  .hero-copy,
  .page-hero-image .hero-copy {
    min-height: 560px;
    padding: 56px 22px 50px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .hero .category {
    font-size: 21px;
  }

  .hero .btn {
    width: 100%;
  }

  .hero-mark {
    margin-top: 32px;
  }

  .hero-visual,
  .page-hero-image .hero-visual {
    min-height: 390px;
  }

  .truth-image {
    min-height: 400px;
    border-radius: 84px var(--radius-lg) var(--radius-lg) var(--radius-lg);
  }

  .service-rail {
    grid-template-columns: 1fr;
  }

  .service-step {
    grid-template-columns: 56px 1fr;
  }

  .scenario-card:first-child,
  .scenario-card:not(:first-child) {
    min-height: 390px;
  }

  .scenario-content {
    padding: 26px;
  }

  .trial-callout {
    margin-right: 10px;
  }

  .trial-callout .big-number {
    font-size: 122px;
  }

  .product-stage,
  .media-frame {
    min-height: 390px;
  }

  .mascot-figures {
    height: 390px;
  }

  .mascot-figures img {
    width: 68%;
  }

  .detail-card,
  .package-card,
  .machine-card {
    padding-inline: 26px;
  }

  .footer-brand img {
    width: 200px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-copy > *,
  .hero-visual > img,
  .truth-image img,
  .scenario-card img,
  .product-stage img,
  .mascot-figures img {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }

}

/* ==========================================================================
   V1.3.0 Motion system
   ========================================================================== */

.scroll-progress span {
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
}

.motion-enabled .hero-copy > * {
  animation: none !important;
}

.motion-enabled .hero-visual,
.motion-enabled .hero-visual > img,
.motion-enabled .hero-mark,
.motion-enabled .page-hero,
.motion-enabled .page-hero-red,
.motion-enabled .page-hero-image {
  will-change: transform, opacity;
}

.brand-ribbon {
  overflow: hidden;
}

.brand-ribbon-marquee {
  display: flex;
  width: max-content;
}

.brand-ribbon-track {
  display: flex;
  width: max-content;
  max-width: none;
  margin: 0;
  padding: 0;
  flex: 0 0 auto;
}

.brand-ribbon span,
.brand-ribbon span:first-child,
.brand-ribbon span:last-child {
  display: flex;
  width: clamp(390px, 34vw, 540px);
  min-height: 106px;
  padding: 24px clamp(28px, 3.3vw, 52px);
  flex: 0 0 auto;
  align-items: center;
  white-space: nowrap;
}

.brand-ribbon span + span {
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.brand-ribbon span::after {
  display: none;
}

.truth-badge {
  width: clamp(206px, 15.6vw, 226px);
  padding: clamp(27px, 2.3vw, 34px);
  overflow: visible;
  isolation: isolate;
}

.truth-badge > span {
  position: relative;
  z-index: 2;
  font-size: 14px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.truth-badge strong {
  position: relative;
  z-index: 2;
  display: grid;
  margin-top: 10px;
  font-size: clamp(25px, 2vw, 30px);
  line-height: 1.08;
  letter-spacing: -0.035em;
  gap: 3px;
}

.truth-badge strong span {
  display: block;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  white-space: nowrap;
  word-break: keep-all;
}

.truth-badge::before,
.truth-badge::after {
  position: absolute;
  z-index: -1;
  border-radius: inherit;
  content: "";
  pointer-events: none;
}

.truth-badge::before {
  inset: -14px;
  border: 2px solid rgba(230, 0, 42, 0.24);
  opacity: 0;
}

.truth-badge::after {
  inset: 8px;
  background: linear-gradient(112deg, transparent 26%, rgba(255, 255, 255, 0.22) 47%, transparent 64%);
  transform: translateX(-115%) rotate(8deg);
  opacity: 0;
}

.truth-badge.is-motion-active::before {
  animation: diaike-badge-pulse 2.8s ease-out infinite;
}

.truth-badge.is-motion-active::after {
  animation: diaike-badge-shine 3.8s ease-in-out infinite 0.6s;
}

.service-rail {
  --rail-progress: 0;
}

.motion-enabled .service-rail::before {
  transform: scaleX(var(--rail-progress));
  transform-origin: left center;
  will-change: transform;
}

.service-step .dot {
  position: relative;
  overflow: hidden;
}

.service-step .dot::after {
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: inherit;
  content: "";
}

.timeline {
  --timeline-progress: 0;
  position: relative;
}

.timeline::before {
  position: absolute;
  z-index: 0;
  top: 34px;
  bottom: 34px;
  left: 45px;
  width: 2px;
  background: var(--brand);
  transform: scaleY(var(--timeline-progress));
  transform-origin: center top;
  content: "";
  opacity: 0.42;
}

.timeline li {
  position: relative;
  z-index: 1;
}

.timeline .day {
  position: relative;
  z-index: 2;
  background: var(--paper-warm);
}

.section-white .timeline .day {
  background: var(--white);
}

.motion-card {
  position: relative;
  transform-style: preserve-3d;
  perspective: 900px;
}

.motion-glow {
  position: absolute;
  z-index: 4;
  top: 0;
  left: 0;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3), rgba(230, 0, 42, 0.11) 44%, transparent 72%);
  transform: translate(-50%, -50%);
  opacity: 0;
  mix-blend-mode: screen;
  pointer-events: none;
  will-change: transform, opacity;
}

.truth-image .motion-glow,
.media-frame .motion-glow,
.product-stage .motion-glow {
  width: 250px;
  height: 250px;
}

.pointer-aura {
  position: fixed;
  z-index: 9999;
  top: 0;
  left: 0;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(230, 0, 42, 0.48);
  border-radius: 50%;
  background: rgba(230, 0, 42, 0.08);
  transform: translate(-50%, -50%) scale(0.72);
  opacity: 0;
  pointer-events: none;
  will-change: transform, opacity;
}

.pointer-aura.is-active {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

.motion-enabled .page-hero::after,
.motion-enabled .page-hero-red::after {
  transform: translate3d(0, var(--page-hero-shift, 0), 0);
  will-change: transform;
}

.motion-enabled .cta-panel::before {
  will-change: transform;
}

.motion-enabled .cta-panel.is-motion-active::before {
  animation: diaike-cta-orbit 8s ease-in-out infinite alternate;
}

.motion-enabled .mascot-band.is-motion-active::after {
  animation: diaike-mascot-halo 7s ease-in-out infinite alternate;
}

.faq-question:hover .faq-icon {
  transform: scale(1.08);
}

.faq-item.is-open .faq-question:hover .faq-icon {
  transform: rotate(45deg) scale(1.08);
}

.btn-arrow:hover::after {
  animation: diaike-arrow-nudge 0.7s ease-in-out infinite alternate;
}

@keyframes diaike-badge-pulse {
  0% {
    transform: scale(0.88);
    opacity: 0;
  }

  24% {
    opacity: 0.65;
  }

  76%,
  100% {
    transform: scale(1.14);
    opacity: 0;
  }
}

@keyframes diaike-badge-shine {
  0%,
  58% {
    transform: translateX(-115%) rotate(8deg);
    opacity: 0;
  }

  68% {
    opacity: 0.9;
  }

  82%,
  100% {
    transform: translateX(115%) rotate(8deg);
    opacity: 0;
  }
}

@keyframes diaike-cta-orbit {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }

  to {
    transform: translate3d(-7%, 6%, 0) scale(1.08);
  }
}

@keyframes diaike-mascot-halo {
  from {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.34;
  }

  to {
    transform: translate3d(-4%, -3%, 0) scale(1.08);
    opacity: 0.52;
  }
}

@keyframes diaike-arrow-nudge {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(4px);
  }
}

@media (max-width: 900px) {
  .menu-open .site-header {
    overflow: visible;
  }

  .nav-links {
    z-index: 1;
  }

  .menu-toggle {
    position: relative;
    z-index: 2;
  }

  .brand-ribbon span,
  .brand-ribbon span:first-child,
  .brand-ribbon span:last-child {
    width: min(86vw, 390px);
    min-height: 86px;
    padding: 20px 28px;
  }

  .truth-badge {
    right: 18px;
    bottom: 18px;
    width: 178px;
    padding: 25px;
    border-width: 6px;
  }

  .truth-badge strong {
    font-size: 23px;
  }

  .timeline::before {
    left: 34px;
  }
}

@media (max-width: 520px) {
  .truth-badge {
    right: 14px;
    bottom: 14px;
    width: 164px;
    padding: 22px;
  }

  .truth-badge > span {
    font-size: 12px;
  }

  .truth-badge strong {
    font-size: 21px;
  }

  .timeline::before {
    left: 31px;
  }
}

@media (hover: none), (pointer: coarse) {
  .pointer-aura,
  .motion-glow {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pointer-aura,
  .motion-glow {
    display: none !important;
  }

  .truth-badge::before,
  .truth-badge::after,
  .cta-panel::before,
  .mascot-band::after,
  .btn-arrow::after {
    animation: none !important;
  }

  .service-rail::before,
  .timeline::before {
    transform: none !important;
  }
}

/* ==========================================================================
   V1.3.1 Mascot crop and baseline alignment
   ========================================================================== */

.mascot-figures {
  overflow: visible;
}

.mascot-figure {
  position: absolute;
  bottom: 0;
  width: 58%;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 1024 / 1120;
}

.mascot-figure-response {
  left: -2%;
}

.mascot-figure-delivery {
  right: -2%;
}

.mascot-figures .mascot-figure img {
  position: absolute;
  top: 0;
  right: auto;
  bottom: auto;
  left: 0;
  width: 100%;
  height: auto;
  max-width: none;
  max-height: none;
  opacity: 1;
  object-fit: initial;
  filter: drop-shadow(0 24px 26px rgba(107, 0, 24, 0.2));
  transform: none;
}

.mascot-figures .mascot-figure-response img {
  top: -1%;
  left: -1.5%;
  width: 103%;
}

.mascot-band:hover .mascot-figures .mascot-figure img {
  transform: none;
}

.motion-enabled .mascot-figure {
  will-change: transform;
}

@media (max-width: 900px) {
  .mascot-figure {
    width: 60%;
  }

  .mascot-figure-response {
    left: -6%;
  }

  .mascot-figure-delivery {
    right: -6%;
  }
}

@media (max-width: 520px) {
  .mascot-figure {
    width: 62%;
  }

  .mascot-figure-response {
    left: -7%;
  }

  .mascot-figure-delivery {
    right: -7%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mascot-figure {
    transform: none !important;
  }
}

/* ==========================================================================
   V1.5.0 SEO/GEO content layer
   ========================================================================== */

.ingredient-entry-grid,
.seo-card-grid {
  display: grid;
  gap: 22px;
}

.ingredient-entry-grid,
.seo-card-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.seo-card-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ingredient-entry-card,
.seo-card {
  position: relative;
  display: flex;
  min-height: 310px;
  flex-direction: column;
  padding: clamp(28px, 3vw, 42px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: 0 18px 54px rgba(21, 18, 17, 0.06);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.ingredient-entry-card:hover,
.seo-card:hover {
  transform: translateY(-7px);
  border-color: rgba(230, 0, 42, 0.45);
  box-shadow: 0 28px 72px rgba(21, 18, 17, 0.12);
}

.ingredient-entry-card > span,
.seo-card-kicker {
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.ingredient-entry-card h3,
.seo-card h3 {
  margin: 42px 0 16px;
  font-size: clamp(25px, 2.2vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.ingredient-entry-card p,
.seo-card p {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 16px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.ingredient-entry-card > b,
.seo-card-arrow {
  margin-top: auto;
  padding-top: 26px;
  color: var(--brand);
  font-size: 24px;
}

.section-dark .seo-card {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.065);
  box-shadow: none;
}

.section-dark .seo-card p {
  color: rgba(255, 255, 255, 0.68);
}

.seo-hero .display {
  max-width: 1180px;
  font-size: clamp(44px, 5vw, 76px);
}

.seo-answer-layout,
.seo-faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: clamp(42px, 7vw, 110px);
  align-items: start;
}

.seo-answer {
  position: relative;
  padding: clamp(34px, 5vw, 60px);
  border-radius: var(--radius-lg);
  color: var(--white);
  background: var(--brand);
  box-shadow: 0 34px 90px rgba(230, 0, 42, 0.22);
}

.seo-answer::before {
  display: block;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
  content: "DIAIKE DIRECT ANSWER";
}

.seo-answer p {
  margin: 0;
  font-size: clamp(21px, 2vw, 29px);
  font-weight: 800;
  line-height: 1.55;
}

.seo-answer > span {
  display: block;
  margin-top: 32px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.seo-factor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.seo-factor {
  display: grid;
  min-height: 180px;
  grid-template-columns: 58px 1fr;
  gap: 22px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
}

.seo-factor > span {
  color: var(--brand);
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
}

.seo-factor strong {
  font-size: 13px;
  letter-spacing: 0.1em;
}

.seo-factor p {
  margin: 12px 0 0;
  color: var(--muted);
}

.section-dark .seo-factor {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.065);
}

.section-dark .seo-factor p {
  color: rgba(255, 255, 255, 0.7);
}

.seo-search-questions {
  margin-top: 74px;
  padding-top: 46px;
  border-top: 1px solid var(--line);
}

.seo-search-questions h2 {
  margin: 0 0 26px;
  font-size: 28px;
}

.seo-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.seo-chip-list span {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--white);
  font-size: 14px;
}

.seo-guide-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.seo-guide-list a {
  display: grid;
  min-height: 98px;
  grid-template-columns: 42px 1fr 28px;
  gap: 18px;
  align-items: center;
  padding: 22px 18px;
  border-bottom: 1px solid var(--line);
  transition: color 180ms ease, background 180ms ease;
}

.seo-guide-list a:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.seo-guide-list a:hover {
  color: var(--brand);
  background: rgba(230, 0, 42, 0.035);
}

.seo-guide-list span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.seo-guide-list strong {
  line-height: 1.45;
}

.seo-guide-list b {
  color: var(--brand);
}

.seo-faq-layout .faq-list {
  margin-top: 0;
}

.seo-legal {
  margin-top: 30px;
}

.footer-grid {
  grid-template-columns: minmax(260px, 1.5fr) repeat(4, minmax(130px, 0.72fr));
}

@media (max-width: 1180px) {
  .ingredient-entry-grid,
  .seo-card-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .seo-card-grid-3,
  .seo-answer-layout,
  .seo-faq-layout,
  .seo-factor-grid,
  .seo-guide-list {
    grid-template-columns: 1fr;
  }

  .seo-guide-list a:nth-child(odd) {
    border-right: 0;
  }
}

@media (max-width: 640px) {
  .ingredient-entry-grid,
  .seo-card-grid-4 {
    grid-template-columns: 1fr;
  }

  .ingredient-entry-card,
  .seo-card {
    min-height: 250px;
  }

  .seo-factor {
    grid-template-columns: 44px 1fr;
    padding: 25px;
  }
}

/* ==========================================================================
   V1.7.0 GEO article library and light-section contrast correction
   ========================================================================== */

.section-dark .seo-factor,
.section-dark .ai-answer-item {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
}

.section-dark .seo-factor strong,
.section-dark .ai-answer-item h3 {
  color: var(--ink);
}

.section-dark .seo-factor p,
.section-dark .ai-answer-item p {
  color: var(--muted);
}

.section-dark .ai-answer-item > a {
  color: var(--brand-deep);
}

.section-link-row {
  display: flex;
  justify-content: center;
  margin-top: 42px;
}

.guide-cluster-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 42px;
}

.guide-cluster-row span {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  font-weight: 800;
}

.guide-cluster-row b {
  color: var(--brand);
  font-size: 15px;
}

.guide-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.guide-hub-card {
  position: relative;
  display: flex;
  min-height: 390px;
  flex-direction: column;
  padding: 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 46px rgba(21, 18, 17, 0.055);
  transition: transform 240ms ease, border-color 240ms ease, box-shadow 240ms ease;
}

.guide-hub-card::after {
  position: absolute;
  right: -54px;
  bottom: -62px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(230, 0, 42, 0.045);
  content: "";
  transition: transform 300ms ease, background 300ms ease;
}

.guide-hub-card:hover {
  transform: translateY(-6px);
  border-color: rgba(230, 0, 42, 0.32);
  box-shadow: 0 30px 78px rgba(21, 18, 17, 0.11);
}

.guide-hub-card:hover::after {
  transform: scale(1.18);
  background: rgba(230, 0, 42, 0.09);
}

.guide-hub-index {
  margin-bottom: 46px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.guide-hub-card small {
  color: var(--brand-deep);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.guide-hub-card h3 {
  margin: 12px 0 18px;
  font-size: clamp(22px, 1.8vw, 29px);
  line-height: 1.24;
  letter-spacing: -0.035em;
}

.guide-hub-card p {
  display: -webkit-box;
  margin: 0 0 28px;
  overflow: hidden;
  color: var(--muted);
  line-height: 1.68;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.guide-hub-card > b {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  margin-top: auto;
  color: var(--brand-deep);
  font-size: 14px;
}

.guide-hub-card i {
  font-style: normal;
}

@media (max-width: 1020px) {
  .guide-hub-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .guide-hub-grid {
    grid-template-columns: 1fr;
  }

  .guide-hub-card {
    min-height: 340px;
    padding: 26px;
  }
}

/* ========================================================================== 
   V1.6.3 About-page mascot crop and visual baseline alignment
   ========================================================================== */

.page-about .mascot-figure-professional {
  left: -2%;
}

.page-about .mascot-figure-response {
  right: -2%;
  left: auto;
}

.page-about .mascot-figures .mascot-figure-professional img {
  top: 0;
  left: -0.9%;
  width: 101.8%;
}

.page-about .mascot-figures .mascot-figure-response img {
  top: 0;
  left: 0;
  width: 100%;
}

@media (max-width: 900px) {
  .page-about .mascot-figure-professional {
    left: -6%;
  }

  .page-about .mascot-figure-response {
    right: -6%;
  }
}

@media (max-width: 520px) {
  .page-about .mascot-figure-professional {
    left: -7%;
  }

  .page-about .mascot-figure-response {
    right: -7%;
  }
}

/* ==========================================================================
   V1.6.2 WeCom icon entry and aligned contact form controls
   ========================================================================== */

.form-grid {
  align-items: start;
}

.form-grid > .field {
  align-content: start;
  align-self: start;
}

.field input,
.field select {
  height: 58px;
  min-height: 58px;
}

.customer-service-fab {
  position: fixed;
  z-index: 80;
  top: 52%;
  right: max(14px, env(safe-area-inset-right));
  display: inline-flex;
  width: 52px;
  height: 52px;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: var(--radius-sm);
  color: var(--white);
  background: var(--brand);
  box-shadow: 0 16px 38px rgba(184, 0, 34, 0.24);
  transform: translateY(-50%);
  transition:
    transform 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease,
    opacity 180ms ease;
}

.customer-service-fab-icon {
  display: block;
  width: 27px;
  height: 27px;
  background: currentColor;
  -webkit-mask: url("icons/wechat.svg") center / contain no-repeat;
  mask: url("icons/wechat.svg") center / contain no-repeat;
}

.customer-service-fab:hover {
  background: var(--brand-dark);
  box-shadow: 0 18px 44px rgba(184, 0, 34, 0.3);
  transform: translate(-3px, -50%);
}

.customer-service-fab:active {
  transform: translateY(-50%) scale(0.97);
}

.customer-service-fab:focus-visible {
  outline-color: rgba(230, 0, 42, 0.45);
  outline-offset: 5px;
}

.menu-open .customer-service-fab {
  opacity: 0;
  pointer-events: none;
}

@media (max-width: 767px) {
  .customer-service-fab {
    top: auto;
    right: max(12px, env(safe-area-inset-right));
    bottom: max(14px, env(safe-area-inset-bottom));
    width: 48px;
    height: 48px;
    min-height: 48px;
    padding: 0;
    border-radius: 999px;
    transform: none;
  }

  .customer-service-fab:hover,
  .customer-service-fab:active {
    transform: scale(0.97);
  }

  .customer-service-fab-icon {
    width: 24px;
    height: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .customer-service-fab {
    transition: none;
  }
}

/* ==========================================================================
   V1.6.0 AI citation knowledge layer
   ========================================================================== */

.ai-fact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
}

.ai-fact-card {
  min-height: 190px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: 0 18px 54px rgba(21, 18, 17, 0.055);
}

.ai-fact-card dt {
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.ai-fact-card dd {
  margin: 48px 0 0;
  font-size: clamp(20px, 1.7vw, 28px);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.ai-answer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.ai-answer-item {
  position: relative;
  display: flex;
  min-height: 420px;
  flex-direction: column;
  padding: clamp(30px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: 0 22px 70px rgba(21, 18, 17, 0.07);
}

.ai-answer-number {
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.ai-answer-item h3 {
  margin: 42px 0 18px;
  font-size: clamp(25px, 2.25vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.ai-answer-item p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.72;
}

.ai-answer-item > a {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: auto;
  padding-top: 32px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 900;
}

.section-dark .ai-answer-item {
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--white);
  background: rgba(255, 255, 255, 0.065);
  box-shadow: none;
}

.section-dark .ai-answer-item p {
  color: rgba(255, 255, 255, 0.72);
}

.section-dark .ai-answer-item > a {
  color: #ff879b;
}

.ai-source-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: start;
}

.ai-source-list {
  border-top: 1px solid var(--line);
}

.ai-source-list a {
  display: grid;
  min-height: 112px;
  grid-template-columns: 74px 1fr 24px;
  gap: 20px;
  align-items: center;
  padding: 22px 12px;
  border-bottom: 1px solid var(--line);
  transition: color 180ms ease, padding 180ms ease;
}

.ai-source-list a:hover {
  padding-right: 4px;
  padding-left: 20px;
  color: var(--brand);
}

.ai-source-list span {
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.ai-source-list strong {
  font-size: clamp(19px, 1.8vw, 27px);
  line-height: 1.3;
}

.ai-source-list b {
  color: var(--brand);
  font-size: 20px;
}

@media (max-width: 1180px) {
  .ai-fact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .ai-answer-grid,
  .ai-source-layout {
    grid-template-columns: 1fr;
  }

  .ai-answer-item {
    min-height: 360px;
  }
}

@media (max-width: 640px) {
  .ai-fact-grid {
    grid-template-columns: 1fr;
  }

  .ai-fact-card {
    min-height: 158px;
  }

  .ai-fact-card dd {
    margin-top: 32px;
  }

  .ai-answer-item {
    min-height: 0;
  }

  .ai-answer-item > a {
    margin-top: 28px;
  }

  .ai-source-list a {
    grid-template-columns: 58px 1fr 20px;
  }
}

/* ==========================================================================
   V1.6.0 Client-facing ingredient conversion page
   ========================================================================== */

.ingredient-client-layout,
.ingredient-service-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: start;
}

.ingredient-request-card {
  padding: clamp(32px, 5vw, 56px);
  border-radius: var(--radius-lg);
  color: var(--white);
  background: var(--brand);
  box-shadow: 0 34px 90px rgba(230, 0, 42, 0.22);
}

.ingredient-request-card > span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.ingredient-request-card ol {
  display: grid;
  gap: 0;
  margin: 28px 0 34px;
  padding: 0;
  list-style: none;
}

.ingredient-request-card li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  font-weight: 800;
}

.ingredient-request-card li b {
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
}

.ingredient-request-card .btn-primary {
  color: var(--ink);
  background: var(--white);
}

.ingredient-product-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.ingredient-product-list a {
  display: grid;
  min-height: 154px;
  grid-template-columns: 40px 1fr 24px;
  grid-template-rows: auto auto;
  gap: 10px 16px;
  align-content: center;
  padding: 28px 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: color 180ms ease, background 180ms ease;
}

.ingredient-product-list a:nth-child(3n) {
  border-right: 0;
}

.ingredient-product-list a:hover {
  color: var(--brand);
  background: rgba(230, 0, 42, 0.035);
}

.ingredient-product-list span {
  grid-row: 1 / 3;
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
}

.ingredient-product-list strong {
  font-size: clamp(21px, 1.8vw, 28px);
}

.ingredient-product-list small {
  color: var(--muted);
  font-size: 13px;
}

.ingredient-product-list b {
  grid-column: 3;
  grid-row: 1 / 3;
  align-self: center;
  color: var(--brand);
}

.ingredient-benefit-list {
  border-top: 1px solid var(--line);
}

.ingredient-benefit-list > div {
  display: grid;
  min-height: 104px;
  grid-template-columns: 66px 1fr;
  gap: 22px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.ingredient-benefit-list span {
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
}

.ingredient-benefit-list strong {
  font-size: clamp(19px, 1.8vw, 26px);
  line-height: 1.35;
}

.ingredient-coffee-panel,
.category-contact-strip {
  display: flex;
  justify-content: space-between;
  gap: clamp(32px, 6vw, 84px);
  align-items: flex-end;
  padding: clamp(34px, 5vw, 62px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: 0 26px 78px rgba(21, 18, 17, 0.075);
}

.ingredient-coffee-panel > div {
  max-width: 790px;
}

.ingredient-coffee-panel h2 {
  margin: 12px 0 18px;
  font-size: clamp(30px, 3vw, 48px);
  line-height: 1.14;
  letter-spacing: -0.04em;
}

.ingredient-coffee-panel p,
.category-contact-strip p {
  margin: 0;
  color: var(--muted);
}

.category-contact-strip {
  margin-top: 56px;
  padding: 30px 34px;
  align-items: center;
}

.category-contact-strip strong {
  display: block;
  margin-bottom: 8px;
  font-size: 24px;
}

@media (max-width: 980px) {
  .ingredient-client-layout,
  .ingredient-service-layout {
    grid-template-columns: 1fr;
  }

  .ingredient-product-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ingredient-product-list a:nth-child(3n) {
    border-right: 1px solid var(--line);
  }

  .ingredient-product-list a:nth-child(2n) {
    border-right: 0;
  }

  .ingredient-coffee-panel,
  .category-contact-strip {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .ingredient-product-list {
    grid-template-columns: 1fr;
  }

  .ingredient-product-list a,
  .ingredient-product-list a:nth-child(2n),
  .ingredient-product-list a:nth-child(3n) {
    min-height: 132px;
    border-right: 0;
  }

  .ingredient-request-card,
  .ingredient-coffee-panel,
  .category-contact-strip {
    padding: 28px;
  }
}

/* V1.7.0 final cascade */
.section-dark .seo-factor,
.section-dark .ai-answer-item {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
}

.section-dark .seo-factor strong,
.section-dark .ai-answer-item h3 { color: var(--ink); }
.section-dark .seo-factor p,
.section-dark .ai-answer-item p { color: var(--muted); }
.section-dark .ai-answer-item > a { color: var(--brand-deep); }

.guide-reading-width {
  max-width: 940px;
}

.guide-intro {
  padding-top: clamp(70px, 7vw, 104px);
}

.guide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 38px;
}

.guide-meta span {
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--paper);
  font-size: 12px;
  font-weight: 800;
}

.guide-paragraph {
  margin: 0 0 24px;
  color: var(--ink);
  font-size: clamp(19px, 1.7vw, 23px);
  line-height: 1.86;
  letter-spacing: -0.012em;
}

.guide-boundary {
  position: relative;
  margin-top: 44px;
  padding: clamp(28px, 4vw, 42px);
  overflow: hidden;
  border: 1px solid rgba(230, 0, 42, 0.18);
  border-radius: var(--radius-md);
  background: rgba(230, 0, 42, 0.045);
}

.guide-boundary::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--brand);
  content: "";
}

.guide-boundary span {
  display: block;
  margin-bottom: 12px;
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.guide-boundary p {
  margin: 0;
  font-size: 17px;
  line-height: 1.78;
}

.article-check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.article-check-card {
  display: grid;
  min-height: 220px;
  grid-template-columns: 58px 1fr;
  gap: 22px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 18px 54px rgba(21, 18, 17, 0.05);
}

.article-check-card:first-child {
  grid-column: 1 / -1;
  min-height: 190px;
  background: var(--ink);
  color: var(--white);
}

.article-check-card > span {
  color: var(--brand);
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
}

.article-check-card h3,
.article-process-list h3,
.article-note-list h3 {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.3;
}

.article-check-card p,
.article-process-list p,
.article-note-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.article-check-card:first-child p { color: rgba(255, 255, 255, 0.72); }

.article-process-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-process-list li {
  display: flex;
  min-height: 320px;
  flex-direction: column;
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
}

.article-process-list li > span {
  margin-bottom: auto;
  color: var(--brand);
  font-size: 28px;
  font-weight: 900;
}

.article-process-list h3 { color: var(--ink); }
.article-process-list p { color: var(--muted); }

.article-two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(50px, 7vw, 100px);
  align-items: start;
}

.article-note-list {
  margin-top: 44px;
  border-top: 1px solid var(--line);
}

.article-note-list article {
  position: relative;
  padding: 28px 10px 28px 34px;
  border-bottom: 1px solid var(--line);
}

.article-note-list article::before {
  position: absolute;
  top: 36px;
  left: 4px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--brand);
  border-radius: 50%;
  content: "";
}

.article-note-list-warn article::before {
  border-radius: 2px;
  transform: rotate(45deg);
}

.article-conclusion {
  padding: clamp(38px, 6vw, 68px);
  border-radius: var(--radius-lg);
  color: var(--white);
  background: var(--brand);
  box-shadow: 0 32px 86px rgba(230, 0, 42, 0.2);
}

.article-conclusion .eyebrow {
  color: rgba(255, 255, 255, 0.72);
}

.article-conclusion h2 {
  margin: 0;
  font-size: clamp(28px, 3.2vw, 48px);
  line-height: 1.36;
  letter-spacing: -0.035em;
}

.article-references {
  margin-top: 54px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.article-references h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.article-references > p {
  margin: 0 0 22px;
  color: var(--muted);
  line-height: 1.72;
}

.article-references ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-references a {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-weight: 800;
}

.article-references a:hover { color: var(--brand-deep); }

.page-seo-guide .seo-hero .display {
  max-width: 1120px;
  font-size: clamp(46px, 5.1vw, 78px);
}

.page-seo-guide .seo-answer-layout {
  align-items: start;
}

@media (max-width: 1120px) {
  .article-process-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-process-list li:last-child {
    grid-column: 1 / -1;
    min-height: 220px;
  }
}

@media (max-width: 820px) {
  .article-check-grid,
  .article-two-column {
    grid-template-columns: 1fr;
  }

  .article-check-card:first-child {
    grid-column: auto;
  }

  .article-two-column {
    gap: 72px;
  }
}

@media (max-width: 640px) {
  .guide-meta {
    margin-bottom: 28px;
  }

  .guide-paragraph {
    font-size: 18px;
    line-height: 1.82;
  }

  .guide-boundary,
  .article-check-card,
  .article-process-list li,
  .article-conclusion {
    padding: 26px;
  }

  .article-check-card {
    min-height: 0;
    grid-template-columns: 44px 1fr;
  }

  .article-process-list {
    grid-template-columns: 1fr;
  }

  .article-process-list li,
  .article-process-list li:last-child {
    min-height: 240px;
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .guide-hub-card {
    transition: none;
  }

  .guide-hub-card:hover {
    transform: none;
  }
}