@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('../fonts/cormorant-garamond-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Cormorant Garamond';
  font-style: italic;
  font-weight: 400 500;
  font-display: swap;
  src: url('../fonts/cormorant-garamond-latin-italic.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('../fonts/inter-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Zen Kaku Gothic New';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/zen-kaku-gothic-new-400-subset.woff2') format('woff2');
}
@font-face {
  font-family: 'Zen Kaku Gothic New';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/zen-kaku-gothic-new-500-subset.woff2') format('woff2');
}

:root {
  --c-navy: #040d18;
  --c-surface-cube: #05111d;
  --c-surface-about: #07172a;
  --c-surface-method: #061320;
  --c-sea-hi: #0a1c30;

  --c-cube-body: #040d18;
  --c-cube-key-light: #ffffff;

  --c-gold: #c8a85a;
  --c-gold-soft: #e7d6a6;
  --c-gold-ink: #ffd24a;

  --c-text: #eaf1f8;
  --c-text-body: #9db8d4;
  --c-text-mist: #8aabcc;
  --c-text-soft: #a7c0da;
  --c-text-dim: #93b0cf;
  --c-text-link: #c3d4e6;
  --c-text-muted: #7d9cbb;
  --c-text-muted-2: #6786a7;

  --rgb-gold: 200 168 90;
  --rgb-navy: 4 13 24;
  --rgb-mist: 138 171 204;
  --rgb-surface-cube: 5 17 29;
  --rgb-card: 9 20 34;

  --wm-alpha: 0.045;

  --line-gold: rgb(var(--rgb-gold) / 0.35);
  --line-gold-soft: rgb(var(--rgb-gold) / 0.18);
  --line-gold-faint: rgb(var(--rgb-gold) / 0.12);

  --font-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-ui: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-ja: 'Zen Kaku Gothic New', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;

  --radius: 2px;
  --nav-h: 84px;
  --ease-rise: cubic-bezier(0.2, 0.7, 0.2, 1);
  --maxw: 1180px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

[hidden] { display: none !important; }

.gc-pixel { position: absolute; top: 0; left: 0; }

html { scroll-behavior: smooth; font-size: 112.5%; }

body {
  background:
    radial-gradient(120% 90% at 62% 8%, rgb(var(--rgb-mist) / 0.10) 0%, rgb(var(--rgb-mist) / 0) 42%),
    linear-gradient(160deg, var(--c-sea-hi) 0%, var(--c-surface-about) 46%, var(--c-navy) 100%);
  background-attachment: fixed;
  color: var(--c-text-body);
  font-family: var(--font-ui);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}

:lang(ja) { font-family: var(--font-ja); }

a { color: var(--c-gold); text-decoration: none; }
a:hover { color: var(--c-gold-soft); }

section, footer, .cube__layout { scroll-margin-top: calc(var(--nav-h) + 12px); }

#about  { scroll-margin-top: calc(78px - var(--pad-top)); }
#method { scroll-margin-top: calc(78px - var(--pad-top) - 1px); }
#cube   { scroll-margin-top: calc(84px - var(--pad-top) - var(--head-gap) - 148px - min(6vw, 87px)); }
@media (max-width: 767px) {
  #cube { scroll-margin-top: calc(100px - var(--pad-top) - var(--head-gap) - 482px + 40.4vw); }
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
  border-radius: var(--radius);
}

#sea {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
  pointer-events: none;
}

.vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse 64% 54% at 50% 42%,
    rgb(var(--rgb-navy) / 0.5) 0%,
    rgb(var(--rgb-navy) / 0.12) 48%,
    rgb(var(--rgb-navy) / 0) 76%);
}

.eyebrow {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-gold);
}
.eyebrow--muted { color: var(--c-text-muted); letter-spacing: 0.22em; }

.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  line-height: 1.14;
  color: var(--c-text);
  text-wrap: balance;
}

.section-lead {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-text-body);
}

.rule {
  width: 60px;
  height: 1px;
  background: var(--line-gold);
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot[data-state="active"] {
  background: var(--c-gold);
  box-shadow: 0 0 10px rgb(var(--rgb-gold) / 0.7);
  animation: kf-pulse 2.6s ease-in-out infinite;
}
.dot[data-state="light"] {
  background: transparent;
  border: 1.5px solid var(--c-gold);
  animation: kf-pulse 3.4s ease-in-out infinite;
}
.dot[data-state="soon"] {
  background: transparent;
  border: 1.5px solid rgb(var(--rgb-mist) / 0.55);
  animation: kf-pulse 3.4s ease-in-out infinite;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
.btn--sm { padding: 12px 22px; font-size: 0.84rem; }
.btn--solid {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-navy);
}
.btn--solid:hover {
  background: var(--c-gold-soft);
  border-color: var(--c-gold-soft);
  color: var(--c-navy);
}
.btn--ghost {
  border-color: var(--line-gold);
  color: var(--c-text);
}
.btn--ghost:hover { border-color: var(--c-gold); color: var(--c-gold); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-gold);
}
.badge__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-gold);
  animation: kf-pulse 2.6s ease-in-out infinite;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.status[data-state="active"] { color: var(--c-gold); }
.status[data-state="light"]  { color: var(--c-text-body); }
.status[data-state="soon"]   { color: var(--c-text-muted); }

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 64px);
  background: var(--c-navy);
  border-bottom: 1px solid rgb(var(--rgb-gold) / 0.14);
}
@supports (animation-timeline: scroll()) {
  .nav {
    animation-name: kf-nav-solid;
    animation-timing-function: linear;
    animation-fill-mode: both;
    animation-timeline: scroll();
    animation-range: 0px 120px;
  }
  @keyframes kf-nav-solid {
    from { background: transparent; border-bottom-color: transparent; }
  }
}
.nav__brand { display: flex; align-items: baseline; gap: 12px; color: var(--c-gold); flex-shrink: 0; }
.nav__mark {
  font-family: var(--font-ja);
  font-weight: 500;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  line-height: 1;
  white-space: nowrap;
}
.nav__word {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.4em;
  color: var(--c-text-mist);
  text-transform: uppercase;
}
.nav__links { display: flex; gap: clamp(16px, 2.4vw, 34px); align-items: center; }
.nav__links a {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--c-text-mist);
  white-space: nowrap;
}
.nav__links a:hover { color: var(--c-gold); }

.hero {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px clamp(20px, 5vw, 40px) 96px;
}
.hero__inner {
  max-width: 55rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: kf-rise 1.3s var(--ease-rise) both;
}
.hero .badge { margin-bottom: 34px; }
.hero__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.7rem, 6.4vw, 5rem);
  line-height: 1.08;
  color: var(--c-text);
  text-wrap: balance;
  margin-bottom: 26px;
}
.hero__title em { font-style: italic; color: var(--c-gold); }
.hero .rule { margin-bottom: 26px; }
.hero__lead {
  font-size: clamp(1rem, 2.1vw, 1.14rem);
  line-height: 1.7;
  color: var(--c-text-dim);
  max-width: 38rem;
}
.hero__scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: rgb(var(--rgb-mist) / 0.55);
  font-size: 1.4rem;
  animation: kf-bob 2.8s ease-in-out infinite;
}

.cube {
  position: relative;
  z-index: 3;
  background: linear-gradient(to bottom,
    rgb(var(--rgb-surface-cube) / 0) 0%,
    var(--c-surface-cube) 12%,
    var(--c-surface-cube) 100%);
  --pad-top: clamp(70px, 10vw, 130px);
  --head-gap: clamp(40px, 5vw, 64px);
  padding: var(--pad-top) clamp(20px, 5vw, 64px) clamp(32px, 4vw, 56px);
}
.cube__wrap { max-width: var(--maxw); margin: 0 auto; }
.cube__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: var(--head-gap);
}
.cube__head > div { max-width: 40rem; }
.cube__head .eyebrow { margin-bottom: 18px; }
.cube__head .section-title { margin-bottom: 16px; }

.cube__toggle {
  display: inline-flex;
  margin-bottom: 22px;
  border: 1px solid rgb(var(--rgb-gold) / 0.3);
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
}
.cube__toggle button {
  padding: 10px 18px;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: none;
  cursor: pointer;
  background: transparent;
  color: var(--c-text-body);
  transition: background 0.2s ease, color 0.2s ease;
}
.cube__toggle button:hover { color: var(--c-text); }
.cube__toggle button[aria-selected="true"] { background: var(--c-gold); color: var(--c-navy); }

.cube__layout { display: flex; flex-direction: column; align-items: center; }
.cube__nav { width: 100%; max-width: 720px; }

.cube__nav { position: relative; }

.cube__stage {
  height: clamp(420px, 52vw, 620px);
  max-height: calc(100vh - var(--nav-h) - 48px);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}
.cube__stage[hidden] { display: none; }
.cube__stage canvas { touch-action: none; cursor: grab; }
.cube__stage.is-dragging canvas { cursor: grabbing; }
.cube__enter {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.cube__open { text-decoration: none; }

.cube__folio {
  width: 100%;
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.42s var(--ease-rise);
}
.cube__folio-in {
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.cube__folio-in > :first-child { margin-top: 16px; }
.cube__folio.is-open { grid-template-rows: 1fr; }
.cube__folio.is-open > .cube__folio-in { opacity: 1; transition-delay: 0.14s; }

.cube__folio.no-anim,
.cube__folio.no-anim > .cube__folio-in { transition: none; }

.cube__hint {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-text-muted-2);
}

.face-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.face-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  min-height: 132px;
  padding: 18px 16px;
  border: 1px solid rgb(var(--rgb-mist) / 0.2);
  border-radius: var(--radius);
  background: rgb(var(--rgb-card) / 0.86);
  text-align: left;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.face-card:hover,
.face-card.is-active { border-color: var(--c-gold); }
.face-card.is-active { background: rgb(var(--rgb-gold) / 0.08); }
.face-card__top { display: flex; align-items: center; justify-content: space-between; }
.face-card__kanji {
  font-family: var(--font-ja);
  font-weight: 500;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--c-text);
}
.face-card__meta { display: flex; flex-direction: column; gap: 3px; }
.face-card__romaji { font-family: var(--font-display); font-size: 1.05rem; color: var(--c-gold); }
.face-card__domain {
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-muted);
}

.notes-feed {
  position: relative;
  z-index: 3;
  background: var(--c-surface-cube);
  padding: 0 clamp(20px, 5vw, 64px) clamp(64px, 8vw, 110px);
}
.notes-feed__wrap { max-width: 70rem; margin: 0 auto; }
.notes-feed .eyebrow { display: block; margin-bottom: 22px; }
.notes-feed__list { list-style: none; display: flex; flex-direction: column; gap: 28px; }
.notes-feed__title { font-family: var(--font-display); font-weight: 500; font-size: 1.35rem; }
.notes-feed__title a { color: var(--c-text-link); }
.notes-feed__title a:hover { color: var(--c-gold); }
.notes-feed__lead { margin-top: 6px; max-width: 45rem; font-size: 0.98rem; line-height: 1.7; color: var(--c-text-soft); }
.notes-feed__more { margin-top: 6px; font-size: 0.9rem; }
.notes-feed__all { margin-top: 32px; font-size: 0.9rem; }

.about {
  position: relative;
  z-index: 3;
  background: linear-gradient(to bottom,
    var(--c-surface-cube) 0%, var(--c-surface-about) 16%, var(--c-surface-about) 100%);
  --pad-top: clamp(48px, 6vw, 84px);
  padding: var(--pad-top) clamp(20px, 5vw, 64px) clamp(64px, 9vw, 120px);
  overflow: hidden;
}
.about__watermark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 6vw, 5rem);
  font-family: var(--font-ja);
  font-size: clamp(5rem, 17vw, 15rem);
  color: var(--c-gold);
  opacity: 0.045;
  user-select: none;
  white-space: nowrap;
  pointer-events: none;
}
.about__inner { position: relative; max-width: 47.5rem; margin: 0 auto; }
.about .eyebrow { display: block; margin-bottom: 30px; }
.about__statement {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.8rem, 3.8vw, 2.9rem);
  line-height: 1.32;
  color: var(--c-text);
  margin-bottom: 48px;
  text-wrap: pretty;
}
.about__body {
  display: flex;
  flex-direction: column;
  gap: 26px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--c-text-soft);
  max-width: 36rem;
}
.about__body p {
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
}

.method {
  position: relative;
  z-index: 3;
  background: linear-gradient(to bottom,
    var(--c-surface-about) 0%, var(--c-surface-method) 16%, var(--c-surface-method) 100%);
  border-top: 1px solid var(--line-gold-faint);
  --pad-top: clamp(90px, 12vw, 160px);
  padding: var(--pad-top) clamp(20px, 5vw, 64px);
}
.method__wrap { max-width: 70rem; margin: 0 auto; }
.method__head { max-width: 45rem; margin-bottom: clamp(52px, 6vw, 80px); }
.method__head .eyebrow { display: block; margin-bottom: 24px; }
.method__head .section-title { margin-bottom: 20px; }
.method__head .section-lead { color: var(--c-text-soft); font-size: 1.05rem; line-height: 1.75; }

.method__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line-gold-faint);
  border: 1px solid var(--line-gold-faint);
  margin-bottom: clamp(48px, 6vw, 72px);
}
.method-card { background: var(--c-surface-method); padding: 34px 30px; }
.method-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--c-text);
  margin-bottom: 12px;
}
.method-card__text { font-size: 0.95rem; line-height: 1.7; color: var(--c-text-dim); }

.method__cols {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: start;
}
.method__how .eyebrow--muted,
.method__sources .eyebrow--muted { display: block; margin-bottom: 22px; }

.steps { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.steps li { display: flex; gap: 18px; align-items: baseline; }
.steps__n { font-family: var(--font-display); font-size: 1.3rem; color: var(--c-gold); min-width: 28px; }
.steps li span:last-child { font-size: 0.98rem; line-height: 1.6; color: var(--c-text-soft); }
.steps strong { color: var(--c-text); font-weight: 500; }

.sources { list-style: none; display: flex; flex-direction: column; border-top: 1px solid var(--line-gold-faint); }
.sources li {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-gold-faint);
}
.sources__ja { font-family: var(--font-ja); font-size: 0.92rem; color: var(--c-gold); }
.sources__en { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; color: var(--c-text); font-size: 0.95rem; }
.sources__note { font-size: 0.82rem; color: var(--c-text-muted); }

.sources__group {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.2vw, 1.8rem);
  color: var(--c-gold);
  margin: clamp(30px, 4vw, 44px) 0 10px;
}
.sources__group:first-of-type { margin-top: clamp(20px, 3vw, 28px); }
.sources__mark {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  align-self: center;
  border: 1px solid var(--c-gold);
}
.sources li .sources__mark {
  align-self: flex-start;
  margin-top: 8px;
}
.sources__mark[data-tier="1"] { background: var(--c-gold); }
.sources__mark[data-tier="2"] { background: transparent; }
.sources__legend {
  display: flex;
  align-items: center;
  column-gap: 24px;
  row-gap: 6px;
  flex-wrap: wrap;
  margin-top: clamp(24px, 3vw, 32px);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--c-text-muted);
}
.sources__legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.sources__en a {
  color: var(--c-text);
  border-bottom: 1px solid var(--line-gold-faint);
}
.sources__en a:hover { color: var(--c-gold); border-bottom-color: var(--c-gold); }

@media (min-width: 1200px) {
  .face-page__section--wide .sources__legend,
  .face-page__section--wide .sources__group,
  .face-page__section--wide .sources {
    width: calc(100vw - 128px);
    margin-left: calc(50% - 50vw + 64px);
  }
  .face-page__section--wide .sources {
    display: block;
    column-width: 26rem;
    column-gap: 56px;
  }
  .face-page__section--wide .sources li { break-inside: avoid; }
}

.notes-search { margin-bottom: clamp(24px, 3vw, 32px); }
.notes-search__label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--c-text-muted);
}
.notes-search__input {
  width: 100%;
  max-width: 26rem;
  padding: 10px 14px;
  font: inherit;
  color: var(--c-text);
  background: rgb(var(--rgb-card) / 0.86);
  border: 1px solid rgb(var(--rgb-mist) / 0.2);
  border-radius: var(--radius);
}
.notes-search__input:focus { outline: none; border-color: var(--c-gold); }
.notes-list { list-style: none; border-top: 1px solid var(--line-gold-faint); }
.note-item { border-bottom: 1px solid var(--line-gold-faint); }
.note-item__link {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 15px 0;
  color: var(--c-text);
}
.note-item__title { font-family: var(--font-display); font-size: 1.15rem; }
.note-item__link:hover .note-item__title { color: var(--c-gold); }
.note-item__tags { font-size: 0.82rem; color: var(--c-text-muted); }
.note-item__face { color: var(--c-gold); }
.note-item__lead { font-size: 0.9rem; line-height: 1.6; color: var(--c-text-soft); }

@media (min-width: 1200px) {
  .face-page__section--wide .notes-list {
    width: calc(100vw - 128px);
    margin-left: calc(50% - 50vw + 64px);
    column-width: 26rem;
    column-gap: 56px;
  }
  .face-page__section--wide .note-item { break-inside: avoid; }
}

.method__more {
  margin-top: clamp(28px, 3.5vw, 40px);
  font-size: 0.95rem;
}
.method__more a { color: var(--c-gold); border-bottom: 1px solid var(--line-gold-soft); padding-bottom: 2px; }
.method__more a:hover { border-bottom-color: var(--c-gold); }

.page main { padding-top: var(--nav-h); }

.face-page__watermark {
  position: fixed;
  top: 50%;
  left: calc((100vw - 45rem) / 4);
  transform: translate(-50%, -50%);
  writing-mode: vertical-rl;
  font-family: var(--font-ja);
  font-weight: 500;
  font-size: min(30vh, calc((100vw - 45rem) / 2 - 48px));
  line-height: 1;
  letter-spacing: 0.1em;
  white-space: nowrap;
  color: var(--c-gold);
  opacity: var(--wm-alpha);
  user-select: none;
  pointer-events: none;
  z-index: -1;
}
@media (max-width: 1200px) { .face-page__watermark { display: none; } }

.face-page {
  position: relative;
  z-index: 3;
  max-width: 45rem;
  margin: 0 auto;
  padding: clamp(60px, 8vw, 110px) clamp(20px, 5vw, 64px) clamp(48px, 6vw, 80px);
}
.face-page__head { margin-bottom: clamp(32px, 5vw, 48px); text-align: center; }
.face-page .eyebrow { display: block; margin-bottom: 22px; }
.face-page__title { display: flex; align-items: center; justify-content: center; gap: 22px; flex-wrap: wrap; margin-bottom: 12px; }
.face-page__kanji {
  font-family: var(--font-ja);
  font-weight: 500;
  font-size: clamp(5rem, 9vw, 10rem);
  line-height: 1;
  color: var(--c-text);
}
.face-page__romaji { font-family: var(--font-display); font-size: clamp(2.75rem, 4.625vw, 5.15rem); color: var(--c-gold); }
.face-page__phrase {
  font-family: var(--font-ja);
  font-weight: 500;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.3;
  color: var(--c-text);
}
.face-page__gloss {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.3rem, 1.875vw, 2rem);
  color: var(--c-text-dim);
  margin-bottom: 20px;
}
.face-page__title--note {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.2rem, 3.4vw, 3.1rem);
  line-height: 1.2;
  color: var(--c-text);
  text-wrap: balance;
}
.face-page__date {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--c-text-dim);
  margin-bottom: 20px;
}

.face-page__lead {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  line-height: 1.4;
  color: var(--c-text);
  margin-bottom: 30px;
  text-wrap: pretty;
}
.face-page__body { display: flex; flex-direction: column; gap: 22px; font-size: 1.02rem; line-height: 1.8; color: var(--c-text-soft); }
.face-page__body p {
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
}
.face-page__body strong { font-weight: 500; color: var(--c-text); }
.face-page__body .name { font-style: italic; color: var(--c-text); margin-right: 0.14em; }

.face-page__cards {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.face-page__cards .face-card { height: 100%; }
@media (max-width: 640px) { .face-page__cards { grid-template-columns: 1fr; } }
.face-card--sector .face-card__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 1.25;
  color: var(--c-text);
}
.face-page__section {
  margin-top: clamp(44px, 6vw, 64px);
  padding-top: clamp(28px, 4vw, 40px);
  border-top: 1px solid var(--line-gold-faint);
}
.face-page__section .status { margin: 12px 0 18px; }
.face-page__section p { font-size: 1.02rem; line-height: 1.8; color: var(--c-text-soft); }

.profile-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 22px;
}
.profile-links a {
  font-family: var(--font-ui);
  font-size: 0.95rem;
  color: var(--c-gold);
  border-bottom: 1px solid var(--line-gold-soft);
  padding-bottom: 2px;
}
.profile-links a:hover { border-bottom-color: var(--c-gold); }

.profile-cards {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.profile-card {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 232px;
  padding: 14px 16px;
  border: 1px solid rgb(var(--rgb-mist) / 0.2);
  border-radius: var(--radius);
  background: rgb(var(--rgb-card) / 0.86);
  transition: border-color 0.25s ease, background 0.25s ease;
}
.profile-card:hover { border-color: var(--c-gold); background: rgb(var(--rgb-gold) / 0.08); }
.profile-card__logo { width: 26px; height: 26px; flex-shrink: 0; display: block; }
.profile-card__meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.profile-card__name { font-family: var(--font-ui); font-size: 0.92rem; font-weight: 500; color: var(--c-text); }
.profile-card__what { font-size: 0.78rem; line-height: 1.45; color: var(--c-text-muted); }
.face-page__subtitle {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.2rem, 3.44vw, 2.75rem);
  line-height: 1.15;
  text-wrap: balance;
  color: var(--c-text);
}

.face-page__back { margin-top: clamp(48px, 6vw, 72px); font-size: 0.9rem; }

.page .naming { border-top: none; }

.face-grid.is-sr {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
  user-select: none;
}
.face-grid.is-sr:focus-within {
  top: 0;
  left: calc(100% + 12px);
  width: 200px;
  height: auto;
  margin: 0;
  padding: 10px;
  overflow: visible;
  clip: auto;
  clip-path: none;
  white-space: normal;
  z-index: 5;
  grid-template-columns: 1fr;
  gap: 6px;
  background: rgb(var(--rgb-navy) / 0.96);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius);
  user-select: auto;
}
.face-grid.is-sr:focus-within .face-card {
  min-height: 0;
  gap: 4px;
  padding: 8px 10px;
}
.face-grid.is-sr:focus-within .face-card__kanji { font-size: 1.15rem; }
.face-grid.is-sr:focus-within .face-card__domain { display: none; }

@media (max-width: 1180px) {
  .face-grid.is-sr:focus-within {
    position: static;
    left: auto;
    width: auto;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 16px;
  }
  .face-grid.is-sr:focus-within .face-card__domain { display: block; }
}

.cube__more {
  margin-top: clamp(32px, 4vw, 48px);
  text-align: center;
  font-size: 0.9rem;
}
.cube__more a,
.cube__more-action { color: var(--c-text-muted); }
.cube__more a:hover,
.cube__more-action:hover { color: var(--c-gold); }
.cube__more-action {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  cursor: pointer;
  transition: color 0.25s ease;
}

.cube__toggle { transition: opacity 0.3s ease; }
.cube__layout.is-exploded .cube__hint { visibility: hidden; }
.cube__layout.is-exploded .cube__toggle {
  opacity: 0;
  pointer-events: none;
}
.cube__layout.is-exploded .cube__toggle:focus-within {
  opacity: 1;
  pointer-events: auto;
}

.todo {
  color: var(--c-text-muted);
  font-style: italic;
  border-bottom: 1px dashed var(--line-gold);
}



.map-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.map-list a { color: var(--c-text-link); }
.map-list a:hover { color: var(--c-gold); }
.map-list--sub {
  margin-top: 12px;
  padding-left: 18px;
  border-left: 1px solid rgb(var(--rgb-gold) / 0.14);
}

.footer {
  position: relative;
  z-index: 3;
  background: linear-gradient(to bottom,
    var(--c-surface-method) 0%, var(--c-navy) 18%, var(--c-navy) 100%);
  border-top: 1px solid rgb(var(--rgb-gold) / 0.14);
  padding: clamp(70px, 9vw, 110px) clamp(20px, 5vw, 64px) 48px;
}
.footer__top {
  max-width: 70rem;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  justify-content: space-between;
}
.footer__brand { max-width: 340px; }
.footer__mark { display: flex; align-items: baseline; gap: 12px; margin-bottom: 20px; }
.footer__mark :lang(ja) { font-weight: 500; font-size: 1.6rem; color: var(--c-gold); letter-spacing: 0.08em; }
.footer__word { font-size: 0.72rem; font-weight: 500; letter-spacing: 0.4em; color: var(--c-text-mist); text-transform: uppercase; }
.footer__tag { font-family: var(--font-display); font-style: italic; font-size: 1.2rem; line-height: 1.4; color: var(--c-text-muted); }
.footer__cols { display: flex; gap: clamp(40px, 6vw, 90px); flex-wrap: wrap; }
.footer__col { display: flex; flex-direction: column; gap: 13px; }
.footer__label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-text-muted-2);
  margin-bottom: 4px;
}
.footer__col a { font-size: 0.92rem; color: var(--c-text-link); }
.footer__col a:hover { color: var(--c-gold); }
.footer__disclaimer {
  max-width: 70rem;
  margin: 48px auto 0;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--c-text-muted-2);
}
.footer__disclaimer :lang(ja) { color: var(--c-text-muted-2); }
.footer__disclaimer a { color: var(--c-text-link); }
.footer__disclaimer a:hover { color: var(--c-gold); }

.footer__bottom {
  max-width: 70rem;
  margin: 24px auto 0;
  padding-top: 28px;
  border-top: 1px solid rgb(var(--rgb-gold) / 0.1);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--c-text-muted-2);
}
.footer__soon :lang(ja) { color: var(--c-text-muted-2); }
.footer__soon { opacity: 0.8; }
.footer__bottom a { color: var(--c-text-link); }
.footer__bottom a:hover { color: var(--c-gold); }


@keyframes kf-pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.35; transform: scale(0.65); } }
@keyframes kf-rise  { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes kf-bob   { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(7px); } }

@media (max-width: 900px) {
  .cube__layout { grid-template-columns: 1fr; }
    .method__cols { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav__word { display: none; }
  .nav__links { gap: 16px; }
  .face-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { padding-top: 100px; }
}

@media (max-width: 480px) {
  .nav { padding-left: 12px; padding-right: 12px; }
  .nav__links { gap: 8px; }
  .nav__links a { font-size: 0.72rem; letter-spacing: 0.02em; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}