:root {
  --bg: #f6f0e7;
  --bg-soft: rgba(255, 252, 245, 0.72);
  --surface: rgba(255, 250, 241, 0.78);
  --surface-strong: #fff8ee;
  --surface-deep: #14312a;
  --text: #16302a;
  --text-soft: #48625b;
  --line: rgba(22, 48, 42, 0.12);
  --line-strong: rgba(22, 48, 42, 0.22);
  --shadow: 0 28px 70px rgba(22, 48, 42, 0.12);
  --radius-sm: 16px;
  --radius-md: 24px;
  --radius-lg: 34px;
  --container: 1240px;
  --tone-cr: #11856c;
  --tone-mb: #be8918;
  --tone-sm: #da6d3a;
  --tone-rr: #2c7db9;
  --tone-mc: #78953f;
  --tone-sr: #8d5a40;
  --accent: #0f7f6a;
  --accent-soft: rgba(15, 127, 106, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 112px;
}

body {
  margin: 0;
  font-family: "Sora", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(218, 109, 58, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(44, 125, 185, 0.12), transparent 24%),
    linear-gradient(180deg, #f9f2e6 0%, #f4ede2 42%, #f7f3ed 100%);
  min-height: 100vh;
}

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

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

button {
  font: inherit;
}

.page-gradient,
.page-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}

.page-gradient::before,
.page-gradient::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(32px);
  opacity: 0.55;
}

.page-gradient::before {
  width: 28rem;
  height: 28rem;
  top: -8rem;
  right: -4rem;
  background: rgba(17, 133, 108, 0.18);
}

.page-gradient::after {
  width: 26rem;
  height: 26rem;
  left: -5rem;
  bottom: 8rem;
  background: rgba(218, 109, 58, 0.14);
}

.page-grid {
  z-index: -1;
  background-image:
    linear-gradient(rgba(22, 48, 42, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 48, 42, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.28), transparent 85%);
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  height: 4px;
  background: rgba(22, 48, 42, 0.06);
  z-index: 30;
}

.scroll-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #11856c, #da6d3a, #2c7db9);
  transition: width 120ms linear;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
  padding: 1rem 1.2rem;
  margin-top: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(18px);
  background: rgba(255, 248, 238, 0.78);
  box-shadow: 0 18px 40px rgba(22, 48, 42, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.brand__mark {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  color: #fff;
  font-weight: 700;
  background: linear-gradient(135deg, #11856c 0%, #2c7db9 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}

.brand__copy {
  display: grid;
  gap: 0.18rem;
}

.brand__copy strong {
  font-size: 0.97rem;
  letter-spacing: 0.02em;
}

.brand__copy small {
  color: var(--text-soft);
  font-size: 0.73rem;
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  padding: 0.7rem 1rem;
  border-radius: 999px;
  cursor: pointer;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a,
.lang-switch__button {
  border: 0;
  background: transparent;
  color: var(--text-soft);
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active,
.lang-switch__button:hover,
.lang-switch__button.is-active {
  color: var(--text);
  background: rgba(22, 48, 42, 0.08);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  margin-left: 0.5rem;
  padding-left: 0.5rem;
  border-left: 1px solid var(--line);
}

main {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
  padding-bottom: 4rem;
}

.section {
  padding: 6rem 0;
}

.section--accent {
  position: relative;
}

.section--accent::before {
  content: "";
  position: absolute;
  inset: 2rem -1.2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 250, 241, 0.62), rgba(255, 255, 255, 0.34));
  border: 1px solid rgba(22, 48, 42, 0.06);
  z-index: -1;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: 3rem;
  align-items: center;
  padding-top: 5.6rem;
  min-height: calc(100vh - 8rem);
}

.hero__title,
.section-title,
.section-subtitle,
.profile-quote {
  font-family: "Fraunces", Georgia, serif;
}

.hero__title {
  margin: 0;
  font-size: clamp(4rem, 8vw, 7.2rem);
  line-height: 0.94;
  letter-spacing: -0.04em;
}

.hero__copy {
  display: grid;
  gap: 1.2rem;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero__lead {
  margin: 0;
  font-size: clamp(1.22rem, 2vw, 1.5rem);
  line-height: 1.55;
  max-width: 38rem;
}

.hero__support,
.section-copy {
  margin: 0;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.8;
}

.hero__support {
  max-width: 38rem;
}

.score-banner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.4rem;
  align-items: center;
  padding: 1.2rem 1.25rem;
  max-width: 46rem;
  border: 1px solid rgba(17, 133, 108, 0.2);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(17, 133, 108, 0.12), rgba(44, 125, 185, 0.08)),
    rgba(255, 250, 241, 0.78);
  box-shadow: 0 22px 48px rgba(22, 48, 42, 0.1);
}

.score-banner__main {
  display: grid;
  gap: 0.3rem;
}

.score-banner__eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.score-banner__value-row {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.score-banner__value {
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(3.8rem, 7vw, 5.8rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.score-banner__unit {
  color: var(--text-soft);
  font-size: 1.2rem;
  font-weight: 600;
}

.score-banner__meta {
  display: grid;
  gap: 0.65rem;
}

.score-banner__caption,
.score-banner__formula {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.75;
}

.score-banner__formula {
  font-size: 0.88rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 0.6rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.3rem;
  padding: 0.9rem 1.3rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

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

.button--primary {
  color: #fff;
  background: linear-gradient(135deg, #11856c 0%, #156a78 100%);
  box-shadow: 0 18px 30px rgba(17, 133, 108, 0.18);
}

.button--secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.52);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: rgba(22, 48, 42, 0.07);
  color: var(--text-soft);
  font-size: 0.88rem;
}

.hero__visual {
  position: relative;
}

.profile-card,
.callout-card,
.reason-card,
.layer-card,
.cross-domain-note,
.schema-card,
.tier-card,
.collection-card,
.interpret-card,
.limit-card,
.safety-alert,
.glossary-card,
.faq-item,
.domain-card,
.domain-detail,
.source-card,
.privacy-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.profile-card {
  padding: 1.3rem;
  overflow: hidden;
}

.profile-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.profile-card__label {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
}

.profile-card__meta {
  margin: 0.35rem 0 0;
  color: var(--text-soft);
  font-size: 0.82rem;
  line-height: 1.6;
}

.profile-card__badge,
.domain-detail__score {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 5rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(22, 48, 42, 0.08);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 600;
}

.profile-card__chart {
  min-height: 23rem;
}

.profile-card__legend {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 0.2rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.8rem 0.9rem;
  border-radius: 18px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: border-color 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.legend-item:hover,
.legend-item.is-active {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.82);
}

.legend-item__swatch {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  flex: 0 0 auto;
}

.legend-item__copy {
  display: grid;
  gap: 0.12rem;
}

.legend-item__name {
  font-size: 0.88rem;
  font-weight: 600;
}

.legend-item__value {
  color: var(--text-soft);
  font-size: 0.76rem;
}

.section-heading {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 2.1rem;
}

.section-heading--compact {
  margin-top: 3.8rem;
}

.section-title {
  margin: 0;
  font-size: clamp(2.3rem, 4vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.section-subtitle {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.1;
}

.section-copy--wide {
  max-width: 50rem;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
  gap: 1.6rem;
}

.stack {
  display: grid;
  gap: 1.1rem;
}

.callout-card {
  padding: 1.4rem;
}

.callout-card__eyebrow {
  margin: 0 0 0.9rem;
  font-size: 0.9rem;
  font-weight: 700;
}

.fact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.9rem;
}

.fact-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  align-items: start;
}

.fact-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.15rem;
  height: 2.15rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
}

.fact-item p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.7;
}

.quote-panel {
  display: grid;
  gap: 0.8rem;
  padding: 1.5rem 1.8rem;
  margin-bottom: 1.6rem;
  border-left: 5px solid var(--accent);
  background: rgba(255, 252, 247, 0.72);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.quote-panel__text {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(1.4rem, 2vw, 2rem);
  line-height: 1.32;
}

.quote-panel__sub {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.8;
}

.reason-grid,
.layer-grid,
.interpret-grid,
.limit-grid,
.tier-grid,
.collection-grid,
.source-grid,
.glossary-grid {
  display: grid;
  gap: 1rem;
}

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

.reason-card,
.layer-card,
.interpret-card,
.limit-card,
.tier-card,
.collection-card,
.source-card,
.glossary-card {
  padding: 1.35rem;
}

.reason-card__index,
.interpret-card__label,
.limit-card__label,
.layer-card__step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  background: rgba(22, 48, 42, 0.08);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 700;
}

.reason-card h3,
.layer-card h3,
.cross-domain-note h3,
.interpret-card h3,
.limit-card h3,
.safety-alert h3,
.schema-card__eyebrow,
.collection-card h3,
.glossary-card h3,
.source-card h3,
.domain-card h3,
.domain-detail h3,
.domain-detail h4,
.privacy-panel h3,
.faq-item summary span {
  margin: 0.95rem 0 0.7rem;
  font-size: 1.05rem;
  line-height: 1.45;
}

.reason-card p,
.layer-card p,
.cross-domain-note p,
.interpret-card p,
.limit-card p,
.safety-alert p,
.schema-card__note,
.collection-card p,
.glossary-card p,
.source-card p,
.privacy-panel p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.8;
  font-size: 0.94rem;
}

.layer-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.cross-domain-note,
.privacy-panel,
.safety-alert {
  margin-top: 1.25rem;
  padding: 1.35rem 1.4rem;
}

.domain-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 1rem;
  align-items: start;
}

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

.domain-card {
  position: relative;
  width: 100%;
  text-align: left;
  padding: 1.25rem;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.domain-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  border-radius: 24px 0 0 24px;
  background: var(--domain-color);
}

.domain-card:hover,
.domain-card.is-active {
  transform: translateY(-3px);
  border-color: rgba(22, 48, 42, 0.18);
  background: rgba(255, 255, 255, 0.86);
}

.domain-card__abbr {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.7rem;
  height: 2.1rem;
  padding: 0 0.85rem;
  border-radius: 999px;
  color: #fff;
  background: var(--domain-color);
  font-size: 0.82rem;
  font-weight: 700;
}

.domain-card p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.7;
  font-size: 0.92rem;
}

.domain-card__meta {
  display: inline-block;
  margin-top: 0.9rem;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 600;
}

.domain-detail {
  padding: 1.45rem;
  position: sticky;
  top: 7.6rem;
}

.domain-detail__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.domain-detail__eyebrow {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.domain-detail__tagline {
  margin: 0.7rem 0 1rem;
  font-size: 1.1rem;
  line-height: 1.65;
}

.domain-detail__description {
  margin: 0 0 1.2rem;
  color: var(--text-soft);
  line-height: 1.85;
}

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

.chip-list,
.signal-list,
.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip,
.schema-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  background: rgba(22, 48, 42, 0.08);
  color: var(--text);
  font-size: 0.8rem;
  line-height: 1.4;
}

.signal-list {
  list-style: none;
  padding: 0;
  margin: 0;
  flex-direction: column;
}

.signal-list li {
  padding: 0.7rem 0.85rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.66);
  color: var(--text-soft);
  line-height: 1.7;
}

.domain-detail__note {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.domain-detail__note p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.8;
}

.data-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 0.36fr);
  gap: 1rem;
  align-items: start;
}

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

.source-card__type {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  background: rgba(17, 133, 108, 0.1);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
}

.source-card__examples {
  display: block;
  margin-top: 0.8rem;
  margin-bottom: 0.8rem;
  color: var(--text);
  font-size: 0.86rem;
  line-height: 1.6;
}

.schema-card {
  padding: 1.35rem;
  position: sticky;
  top: 7.6rem;
}

.schema-card__eyebrow {
  color: var(--text);
}

.schema-card__note {
  margin-top: 1rem;
}

.tier-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.tier-card__label {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(22, 48, 42, 0.08);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 700;
}

.tier-card h3 {
  margin-top: 0.95rem;
}

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

.collection-card__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: rgba(44, 125, 185, 0.12);
  color: #2c7db9;
  font-size: 0.82rem;
  font-weight: 700;
}

.modifier-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.modifier-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.modifier-chip__type {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.modifier-chip__label {
  font-size: 0.88rem;
  color: var(--text);
}

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

.profile-quote {
  margin: 2rem 0 0;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  max-width: 28rem;
}

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

.faq-list {
  display: grid;
  gap: 0.9rem;
}

.faq-item {
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 1.3rem;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  color: var(--text-soft);
  font-size: 1.5rem;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0;
  padding: 0 1.3rem 1.3rem;
  color: var(--text-soft);
  line-height: 1.8;
}

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

.glossary-card__term {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.glossary-card__term strong {
  font-size: 1rem;
}

.glossary-card__term span {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
}

.site-footer {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto 2rem;
  padding: 1.8rem 0 0;
  border-top: 1px solid var(--line);
}

.site-footer__line,
.site-footer__meta {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.8;
}

.site-footer__meta {
  margin-top: 0.25rem;
  font-size: 0.9rem;
}

.radar-svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.radar-grid {
  fill: rgba(22, 48, 42, 0.03);
  stroke: rgba(22, 48, 42, 0.1);
  stroke-width: 1;
}

.radar-axis {
  stroke: rgba(22, 48, 42, 0.14);
  stroke-width: 1;
}

.radar-shape {
  fill: rgba(17, 133, 108, 0.18);
  stroke: rgba(17, 133, 108, 0.8);
  stroke-width: 2;
}

.radar-point {
  fill: #fff;
  stroke: rgba(22, 48, 42, 0.24);
  stroke-width: 2;
}

.radar-point.is-active {
  stroke: var(--accent);
  stroke-width: 4;
}

.radar-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  fill: rgba(22, 48, 42, 0.75);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms ease, transform 500ms ease;
}

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

@media (max-width: 1180px) {
  .hero,
  .domain-shell,
  .data-layout,
  .split-layout {
    grid-template-columns: 1fr;
  }

  .profile-card__legend,
  .reason-grid,
  .layer-grid,
  .source-grid,
  .collection-grid,
  .tier-grid,
  .glossary-grid,
  .interpret-grid,
  .limit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .schema-card,
  .domain-detail {
    position: static;
  }

  .score-banner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .site-header {
    width: calc(100% - 1.2rem);
    padding: 0.9rem 1rem;
    border-radius: 28px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.65rem);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.9rem;
    border-radius: 24px;
    border: 1px solid var(--line);
    background: rgba(255, 248, 238, 0.94);
    box-shadow: var(--shadow);
  }

  .site-header.is-open .site-nav {
    display: flex;
  }

  .site-nav a,
  .lang-switch__button {
    width: 100%;
    text-align: left;
  }

  .lang-switch {
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 0.7rem;
  }

  .hero {
    padding-top: 4.6rem;
    min-height: auto;
  }

  .domain-grid,
  .detail-grid,
  .profile-card__legend {
    grid-template-columns: 1fr;
  }

  .score-banner {
    gap: 1rem;
  }
}

@media (max-width: 720px) {
  main,
  .site-footer {
    width: calc(100% - 1.2rem);
  }

  .section {
    padding: 4.4rem 0;
  }

  .hero__title {
    font-size: clamp(3.2rem, 18vw, 4.6rem);
  }

  .profile-card,
  .callout-card,
  .reason-card,
  .layer-card,
  .cross-domain-note,
  .schema-card,
  .tier-card,
  .collection-card,
  .interpret-card,
  .limit-card,
  .safety-alert,
  .glossary-card,
  .faq-item,
  .domain-card,
  .domain-detail,
  .source-card,
  .privacy-panel {
    border-radius: 22px;
  }

  .reason-grid,
  .layer-grid,
  .source-grid,
  .collection-grid,
  .tier-grid,
  .glossary-grid,
  .interpret-grid,
  .limit-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}