/* ── Reset ──────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ── Dark theme ─────────────────────────────────────────────────────────────── */
[data-theme="dark"] {
  --c-bg: #0d0d18;
  --c-bg2: #080810;
  --c-bg3: #0a0a14;
  --c-bg4: #0f0f1c;
  --c-card: #1a1a2e;
  --c-card2: #141428;
  --c-card3: #1a2840;
  --c-card3b: #0d1a2e;
  --c-card4: #1a1e2e;
  --c-card5: #120e1e;
  --c-card6: #0d1018;
  --c-text: #f5f0e8;
  --c-text-rgb: 245,240,232;
  --c-gold: #c9a84c;
  --c-gold-rgb: 201,168,76;
  --c-gold-light: #e8d5a3;
  --c-nav-bg: rgba(4, 4, 7, 0.97);
  --c-nav-bg-t: rgba(19, 19, 21, 0.6);
  --c-overlay-rgb: 10,10,20;
  --c-video-overlay-rgb: 28,20,16;
  --c-btn-text: #0d0d18;
}

/* ── Light theme ────────────────────────────────────────────────────────────── */
[data-theme="light"] {
  --c-bg: #f5f0e6;
  --c-bg2: #ece7db;
  --c-bg3: #e4dfd4;
  --c-bg4: #eeeae0;
  --c-card: #dbd5c8;
  --c-card2: #d0cab9;
  --c-card3: #cfc9bb;
  --c-card3b: #d5d0c3;
  --c-card4: #d2ccbf;
  --c-card5: #c8c3b6;
  --c-card6: #ccc7ba;
  --c-text: #1c1410;
  --c-text-rgb: 28,20,16;
  --c-gold: #7a5c0a;
  --c-gold-rgb: 122,92,10;
  --c-gold-light: #a07830;
  --c-nav-bg: rgba(245,240,230,0.97);
  --c-nav-bg-t: rgba(245,240,230,0.82);
  --c-overlay-rgb: 28,20,16;
  --c-video-overlay-rgb: 209, 205, 191;
  --c-btn-text: #f5f0e6;
}

/* ── Base ───────────────────────────────────────────────────────────────────── */
body {
  background: var(--c-bg);
  color: var(--c-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.35s ease, color 0.35s ease;
}
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: rgba(var(--c-gold-rgb),0.25); border-radius: 3px; }
button { font-size: inherit; }
input::placeholder { color: rgba(var(--c-text-rgb),0.3); }
input:focus { outline: none; }
a { color: inherit; }
img { display: block; max-width: 100%; }

/* ── Shared SVGs ────────────────────────────────────────────────────────────── */
.grain-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

.brush-divider {
  width: 100%;
  height: 12px;
  display: block;
}

.kanji-watermark {
  position: absolute;
  font-family: 'Shippori Mincho B1', serif;
  font-size: clamp(120px, 20vw, 320px);
  color: rgba(201,168,76,0.04);
  pointer-events: none;
  line-height: 1;
  user-select: none;
}

/* ── Navigation ─────────────────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--c-nav-bg-t);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.site-nav.is-scrolled {
  background: var(--c-nav-bg);
  border-bottom-color: rgba(var(--c-gold-rgb), 0.15);
}
.site-nav.is-menu-open {
  background: var(--c-nav-bg);
}

.nav-logo {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-decoration: none;
}
.nav-logo__name {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
}
.nav-logo__sub {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.5);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav-items {
  display: flex;
  gap: 32px;
  align-items: center;
  list-style: none;
}
.nav-items a,
.nav-items button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: 'Shippori Mincho B1', serif;
  color: rgba(var(--c-text-rgb), 0.65);
  font-size: 13px;
  letter-spacing: 0.08em;
  transition: color 0.2s;
  text-decoration: none;
}
.nav-items a:hover,
.nav-items button:hover,
.nav-items a.is-active,
.nav-items button.is-active { color: var(--c-gold); }

.nav-cta {
  background: var(--c-gold);
  color: var(--c-bg) !important;
  font-family: 'Shippori Mincho B1', serif !important;
  font-size: 12px !important;
  letter-spacing: 0.08em !important;
  padding: 7px 18px !important;
  text-decoration: none;
  font-weight: 700 !important;
}

/* ── Footer ─────────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--c-bg2);
  border-top: 1px solid rgba(var(--c-gold-rgb), 0.12);
  padding: 60px 80px 40px;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.site-footer__brand-name {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}
.site-footer__brand-sub {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.4);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.site-footer__brand-desc {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.68);
  font-size: 14px;
  line-height: 1.8;
  max-width: 260px;
}
.site-footer__social {
  display: flex;
  gap: 16px;
  margin-top: 20px;
  list-style: none;
}
.site-footer__social a {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-gold-rgb), 0.75);
  font-size: 12px;
  text-decoration: none;
  letter-spacing: 0.06em;
}
.site-footer__col-title {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: 13px;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  font-weight: 400;
}
.site-footer__col a,
.site-footer__col button {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 0;
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.72);
  font-size: 14px;
  text-align: left;
  text-decoration: none;
}
.site-footer__bottom {
  margin-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.site-footer__copy {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.52);
  font-size: 13px;
}
.site-footer__patreon-link {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
}

/* ── Page header ────────────────────────────────────────────────────────────── */
.page-header {
  padding-top: 64px;
  background: var(--c-bg2);
  border-bottom: 1px solid rgba(var(--c-gold-rgb), 0.1);
  position: relative;
  overflow: hidden;
}
.page-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 80px;
  position: relative;
  z-index: 1;
}
.page-header__breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 20px;
}
.page-header__breadcrumb a,
.page-header__breadcrumb button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.58);
  font-size: 13px;
  text-decoration: none;
}
.page-header__breadcrumb-sep { color: rgba(var(--c-text-rgb), 0.4); }
.page-header__breadcrumb-current {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.55);
  font-size: 13px;
}
.page-header__ja {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.page-header__title {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 400;
  margin-bottom: 14px;
}
.page-header__subtitle {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.55);
  font-size: 18px;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 600px;
}
.page-header__kanji-bg {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  display: flex;
  align-items: center;
  padding-right: 80px;
  font-family: 'Shippori Mincho B1', serif;
  font-size: clamp(80px, 12vw, 160px);
  color: rgba(201,168,76,0.05);
  line-height: 1;
  user-select: none;
  pointer-events: none;
}

/* ── Section header ─────────────────────────────────────────────────────────── */
.section-header {
  margin-bottom: 8px;
}
.section-header--with-divider {
  margin-bottom: 0;
}
.section-header__row {
  display: flex;
  align-items: baseline;
  gap: 20px;
}
.section-header__title {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: 36px;
  font-weight: 400;
}
.section-header__ja {
  font-family: 'Shippori Mincho B1', serif;
  color: rgba(var(--c-gold-rgb), 0.5);
  font-size: 20px;
}
.section-header__ja-label {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-header__title-alt {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: 32px;
  font-weight: 400;
  margin-bottom: 12px;
}

/* ── Video card ─────────────────────────────────────────────────────────────── */
.video-card {
  cursor: pointer;
  transition: transform 0.2s ease;
  text-decoration: none;
  display: block;
}
.video-card:hover { transform: translateY(-3px); }

.video-card__thumb {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  overflow: hidden;
  margin-bottom: 10px;
  background: linear-gradient(135deg, var(--c-card) 0%, var(--c-bg) 100%);
}
.video-card__thumb--step1    { background: linear-gradient(135deg, var(--c-card3) 0%, var(--c-card3b) 100%); }
.video-card__thumb--step2    { background: linear-gradient(135deg, var(--c-card3) 0%, var(--c-card3b) 100%); }
.video-card__thumb--step3    { background: linear-gradient(135deg, var(--c-card3) 0%, var(--c-card3b) 100%); }
.video-card__thumb--step4    { background: linear-gradient(135deg, var(--c-card3) 0%, var(--c-card3b) 100%); }
.video-card__thumb--technique { background: linear-gradient(135deg, var(--c-card2) 0%, var(--c-card5) 100%); }
.video-card__thumb--rokudan  { background: linear-gradient(135deg, var(--c-card4) 0%, var(--c-card6) 100%); }
.video-card__thumb--tsugaru  { background: linear-gradient(135deg, var(--c-card4) 0%, var(--c-card6) 100%); }
.video-card__thumb--care     { background: linear-gradient(135deg, var(--c-card2) 0%, var(--c-card5) 100%); }

.video-card__thumb-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Shippori Mincho B1', serif;
  color: rgba(var(--c-gold-rgb), 0.15);
  font-size: 52px;
}
.video-card--small .video-card__thumb-inner { font-size: 32px; }

.video-card__thumb-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}

.video-card__stripe {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0.04;
}

.video-card__lock-overlay {
  position: absolute;
  inset: 0;
  background: rgba(var(--c-overlay-rgb), 0.55);
  backdrop-filter: blur(4px);
}
.video-card__lock-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--c-gold-light);
}
.video-card__play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--c-overlay-rgb), 0.3);
  opacity: 0;
  transition: opacity 0.2s;
}
.video-card:hover .video-card__play-overlay { opacity: 1; }
.video-card__play-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(var(--c-gold-rgb), 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-card__category {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.video-card__title {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.4;
  margin-bottom: 3px;
}
.video-card--small .video-card__title { font-size: 13px; }
.video-card__title-ja {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.4);
  font-size: 12px;
}

/* ── Category card ──────────────────────────────────────────────────────────── */
.category-card {
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(var(--c-gold-rgb), 0.12);
  padding: 28px 24px;
  background: transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
  text-decoration: none;
  display: block;
}
.category-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(var(--c-bg-rgb), 0.5) 0%,
    rgba(var(--c-bg-rgb), 0.78) 55%,
    rgba(var(--c-bg-rgb), 0.9) 100%
  );
  pointer-events: none;
}
.category-card > * {
  position: relative;
  z-index: 1;
}
.category-card__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.2;
  transform: scale(1.03);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.category-card:hover {
  border-color: rgba(var(--c-gold-rgb), 0.5);
  background: rgba(var(--c-gold-rgb), 0.05);
}
.category-card:hover .category-card__media {
  opacity: 0.28;
  transform: scale(1.06);
}
.category-card__watermark {
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Shippori Mincho B1', serif;
  font-size: 72px;
  color: rgba(var(--c-gold-rgb), 0.07);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
.category-card__ja {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 11px;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}
.category-card__title {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: 18px;
  font-weight: 400;
  margin-bottom: 8px;
  line-height: 1.3;
}
.category-card__desc {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.5);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 12px;
}
.category-card__count {
  font-family: 'Shippori Mincho B1', serif;
  color: rgba(var(--c-gold-rgb), 0.5);
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* ── Patron badge ───────────────────────────────────────────────────────────── */
.patron-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(var(--c-gold-rgb), 0.15);
  border: 1px solid rgba(var(--c-gold-rgb), 0.3);
  color: var(--c-gold);
  font-size: 10px;
  font-family: 'Cormorant Garamond', serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 2px;
}

/* ── Patron CTA ─────────────────────────────────────────────────────────────── */
.patron-cta {
  background: linear-gradient(135deg, var(--c-card) 0%, var(--c-bg) 100%);
  border: 1px solid rgba(var(--c-gold-rgb), 0.25);
  border-radius: 4px;
  padding: 32px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.patron-cta--compact { padding: 20px 24px; }
.patron-cta__label {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.patron-cta--compact .patron-cta__label { font-size: 11px; }
.patron-cta__title {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: 26px;
  font-weight: 400;
  margin-bottom: 12px;
  line-height: 1.3;
}
.patron-cta--compact .patron-cta__title { font-size: 20px; }
.patron-cta__desc {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.6);
  font-size: 16px;
  margin-bottom: 20px;
  line-height: 1.6;
}
.patron-cta--compact .patron-cta__desc { font-size: 14px; }
.patron-cta__btn {
  display: inline-block;
  background: var(--c-gold);
  color: var(--c-bg);
  font-family: 'Shippori Mincho B1', serif;
  font-size: 13px;
  letter-spacing: 0.1em;
  padding: 10px 28px;
  text-decoration: none;
  font-weight: 700;
}

/* ── Quick link card ────────────────────────────────────────────────────────── */
.quick-link-card {
  padding: 40px 32px;
  cursor: pointer;
  background: var(--c-bg4);
  border: 1px solid rgba(var(--c-gold-rgb), 0.1);
  transition: background 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: block;
}
.quick-link-card:hover {
  background: rgba(201,168,76,0.06);
  border-color: rgba(var(--c-gold-rgb), 0.4);
}
.quick-link-card__bg-icon {
  position: absolute;
  right: -10px;
  bottom: -20px;
  font-family: 'Shippori Mincho B1', serif;
  font-size: 80px;
  color: rgba(201,168,76,0.06);
  line-height: 1;
  user-select: none;
  pointer-events: none;
}
.quick-link-card__icon {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 40px;
  margin-bottom: 16px;
  line-height: 1;
}
.quick-link-card__title {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 4px;
}
.quick-link-card__desc {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.62);
  font-size: 14px;
}

/* ── Hero ───────────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  aspect-ratio: 16 / 9;
  min-height: 480px;
  max-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, var(--c-bg3) 0%, var(--c-card2) 40%, var(--c-bg) 100%);
}
.hero__light {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(var(--c-gold-rgb),0.08) 0%, transparent 70%);
}
.hero__placeholder-label {
  position: absolute;
  bottom: 24px; right: 24px;
  font-family: monospace;
  font-size: 10px;
  color: rgba(var(--c-text-rgb), 0.4);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero__video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(var(--c-video-overlay-rgb), 0.8);
}
.hero__content {
  position: relative;
  z-index: 2;
  padding: 0 80px;
  max-width: 760px;
}
.hero__kanji-bg {
  position: absolute;
  right: -200px;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Shippori Mincho B1', serif;
  font-size: clamp(180px, 25vw, 420px);
  color: rgba(201,168,76,0.06);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}
.hero__eyebrow {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 24px;
  text-shadow: 0 0 12px var(--c-bg), 0 0 24px var(--c-bg);
}
.hero__title {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-weight: 400;
  font-size: clamp(48px, 6vw, 92px);
  line-height: 1.05;
  margin-bottom: 28px;
  text-shadow: 0 0 16px var(--c-bg), 0 0 40px var(--c-bg);
}
.hero__title span { color: var(--c-gold); }
.hero__subtitle {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.65);
  font-size: clamp(16px, 2vw, 22px);
  line-height: 1.7;
  margin-top: 20px;
  margin-bottom: 36px;
  max-width: 480px;
  text-shadow: 0 0 12px var(--c-bg), 0 0 24px var(--c-bg);
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero__scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.35;
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--c-gold));
}
.hero__scroll-label {
  font-family: 'Cormorant Garamond', serif;
  color: var(--c-gold);
  font-size: 10px;
  letter-spacing: 0.2em;
}

/* ── Buttons ────────────────────────────────────────────────────────────────── */
.btn-primary {
  background: var(--c-gold);
  color: var(--c-bg);
  border: none;
  cursor: pointer;
  font-family: 'Shippori Mincho B1', serif;
  font-size: 14px;
  letter-spacing: 0.08em;
  padding: 14px 32px;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.9; }
.btn-secondary {
  background: transparent;
  color: var(--c-text);
  border: 1px solid rgba(var(--c-text-rgb), 0.5);
  cursor: pointer;
  font-family: 'Shippori Mincho B1', serif;
  font-size: 14px;
  letter-spacing: 0.08em;
  padding: 14px 32px;
  text-decoration: none;
  display: inline-block;
  transition: border-color 0.2s;
}
.btn-secondary:hover { border-color: rgba(var(--c-text-rgb), 0.8); }
.btn-outline-gold {
  background: none;
  border: 1px solid rgba(var(--c-gold-rgb), 0.25);
  color: var(--c-gold);
  cursor: pointer;
  padding: 10px 20px;
  font-family: 'Shippori Mincho B1', serif;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  display: inline-block;
  transition: border-color 0.2s;
}
.btn-outline-gold:hover { border-color: var(--c-gold); }

/* ── Home page sections ─────────────────────────────────────────────────────── */
.section {
  position: relative;
  overflow: hidden;
}
.section--bg     { background: var(--c-bg); }
.section--bg2    { background: var(--c-bg2); }
.section--bg3    { background: var(--c-bg3); }
.section__inner  { max-width: 1100px; margin: 0 auto; position: relative; z-index: 1; }
.section__inner--narrow { max-width: 900px; margin: 0 auto; position: relative; z-index: 1; }

.section-pad     { padding: 80px 80px; }
.section-pad-lg  { padding: 100px 80px; }
.section-pad-sm  { padding: 60px 80px 100px; }

/* ── Grid helpers ───────────────────────────────────────────────────────────── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-3--tight { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.grid-2--loose { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }

/* ── Portrait placeholder ───────────────────────────────────────────────────── */
.portrait-placeholder {
  width: 100%;
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--c-card) 0%, var(--c-bg) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.portrait-placeholder--lg { height: 280px; margin-bottom: 28px; }
.portrait-placeholder--sm { height: 240px; margin-bottom: 24px; }
.portrait-placeholder--xl { height: 460px; }
.portrait-placeholder__kanji {
  font-family: 'Shippori Mincho B1', serif;
  color: rgba(var(--c-gold-rgb), 0.12);
  font-size: 80px;
}
.portrait-placeholder__label {
  font-family: monospace;
  color: rgba(var(--c-text-rgb), 0.4);
  font-size: 10px;
  letter-spacing: 0.1em;
}

/* ── About person card ──────────────────────────────────────────────────────── */
.person-card {
  border-top: 1px solid rgba(var(--c-gold-rgb), 0.2);
  padding-top: 32px;
}
.person-card__portrait {
  width: 50%;
  height: auto;
  display: block;
  margin-bottom: 28px;
}
.person-card__name {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 4px;
}
.person-card__name-ja {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 13px;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.person-card__bio {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.6);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 20px;
}
.person-card__quote {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-gold-rgb), 0.7);
  font-size: 16px;
  line-height: 1.7;
  font-style: italic;
}

/* ── Video page ─────────────────────────────────────────────────────────────── */
.video-page__top {
  position: relative;
  width: 100%;
  padding-top: 64px;
  background: var(--c-bg2);
}
.video-page__breadcrumb {
  padding: 16px 80px;
  border-bottom: 1px solid rgba(var(--c-gold-rgb), 0.1);
  display: flex;
  gap: 8px;
  align-items: center;
}
.video-page__breadcrumb a,
.video-page__breadcrumb button {
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(var(--c-text-rgb), 0.62);
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  text-decoration: none;
  padding: 0;
}
.video-page__breadcrumb-sep { color: rgba(var(--c-text-rgb), 0.4); }
.video-page__layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 80px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
}
.video-player {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: linear-gradient(135deg, var(--c-card) 0%, var(--c-bg) 100%);
  margin-bottom: 28px;
  overflow: hidden;
}
.video-player__kanji {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Shippori Mincho B1', serif;
  color: rgba(var(--c-gold-rgb), 0.08);
  font-size: 120px;
}
.video-player__lock {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: rgba(var(--c-overlay-rgb), 0.7);
  backdrop-filter: blur(6px);
}
.video-player__lock-icon {
  color: var(--c-gold-light);
  opacity: 0.8;
}
.video-player__lock-text {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.55);
  font-size: 15px;
  text-align: center;
  max-width: 280px;
  line-height: 1.7;
}
.video-player__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-player__play-btn {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(var(--c-gold-rgb), 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-player iframe {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  border: none;
}
.video-meta__category {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.video-meta__title {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: 28px;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 20px;
}
.video-meta__desc {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.6);
  font-size: 17px;
  line-height: 1.85;
  margin-top: 20px;
}
.video-sidebar__heading {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: 16px;
  font-weight: 400;
  margin-bottom: 20px;
  margin-top: 32px;
}
.related-video {
  cursor: pointer;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 12px;
  align-items: start;
  margin-bottom: 16px;
  text-decoration: none;
}
.related-video__thumb {
  height: 48px;
  background: linear-gradient(135deg, var(--c-card), var(--c-bg));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.related-video__thumb-lock {
  position: absolute;
  inset: 0;
  background: rgba(var(--c-overlay-rgb), 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-gold-light);
}
.related-video__thumb-kanji {
  font-family: 'Shippori Mincho B1', serif;
  color: rgba(var(--c-gold-rgb), 0.2);
  font-size: 16px;
}
.related-video__title {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: 12px;
  line-height: 1.4;
}
.related-video__title-ja {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-gold-rgb), 0.5);
  font-size: 11px;
  margin-top: 2px;
}

/* ── Rokudan section header ─────────────────────────────────────────────────── */
.dan-section {
  margin-bottom: 64px;
}
.dan-section__header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 24px;
}
.dan-section__title {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: 24px;
  font-weight: 400;
}
.dan-section__title-ja {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 16px;
}

/* ── Lexicon ────────────────────────────────────────────────────────────────── */
.lexicon-search {
  position: relative;
  margin-bottom: 40px;
}
.lexicon-search input {
  width: 100%;
  background: rgba(var(--c-text-rgb), 0.04);
  border: 1px solid rgba(var(--c-gold-rgb), 0.2);
  color: var(--c-text);
  padding: 12px 16px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 16px;
}
.lexicon-search input:focus {
  border-color: rgba(var(--c-gold-rgb), 0.45);
}
.lexicon-entry {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(var(--c-gold-rgb), 0.1);
}
.lexicon-entry__term {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: 17px;
  font-weight: 400;
}
.lexicon-entry__term-ja {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 14px;
  margin-top: 2px;
}
.lexicon-entry__def {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.6);
  font-size: 16px;
  line-height: 1.7;
}
.lexicon-empty {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.3);
  font-size: 16px;
  text-align: center;
  padding: 60px 0;
  display: none;
}
.lexicon-empty.is-visible { display: block; }

/* ── About page ─────────────────────────────────────────────────────────────── */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-bottom: 80px;
  align-items: center;
}
.about-group-photo {
  width: 100%;
  height: 460px;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.about-label {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-gold);
  font-size: 11px;
  letter-spacing: 0.2em;
  margin-bottom: 16px;
}
.about-heading {
  font-family: 'Shippori Mincho B1', serif;
  color: var(--c-text);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 24px;
}
.about-body {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.6);
  font-size: 17px;
  line-height: 1.85;
  margin-bottom: 20px;
}
.about-team {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 60px;
}

/* ── Start page ─────────────────────────────────────────────────────────────── */
.start-layout {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 60px;
  margin-bottom: 80px;
}
.start-videos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

/* ── Generic page ───────────────────────────────────────────────────────────── */
.generic-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 80px 100px;
}
.generic-content h2 {
  font-family: 'Shippori Mincho B1', serif;
  font-size: 26px;
  font-weight: 400;
  color: var(--c-text);
  margin-bottom: 16px;
  margin-top: 40px;
}
.generic-content p {
  font-family: 'Cormorant Garamond', serif;
  color: rgba(var(--c-text-rgb), 0.65);
  font-size: 17px;
  line-height: 1.85;
  margin-bottom: 16px;
}

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .section-pad, .section-pad-lg, .section-pad-sm { padding-left: 40px; padding-right: 40px; }
  .site-footer { padding: 48px 40px 32px; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero__content { padding: 0 40px; }
  .video-page__breadcrumb { padding: 16px 40px; }
  .video-page__layout { padding: 32px 40px; }
  .page-header__inner { padding: 40px 40px; }
  .generic-content { padding: 48px 40px 80px; }
  .about-intro { gap: 48px; }
}

@media (max-width: 768px) {
  .site-nav { padding: 0 24px; }
  .nav-items { display: none; }
  .section-pad, .section-pad-lg, .section-pad-sm { padding-left: 24px; padding-right: 24px; }
  .site-footer { padding: 40px 24px 28px; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .grid-3, .grid-3--tight { grid-template-columns: 1fr 1fr; gap: 20px; }
  .grid-2, .grid-2--loose { grid-template-columns: 1fr; gap: 40px; }
  .hero__content { padding: 0 24px; max-width: 100%; }
  .hero__kanji-bg { display: none; }
  .video-page__breadcrumb { padding: 12px 24px; }
  .video-page__layout { padding: 24px; grid-template-columns: 1fr; }
  .page-header__inner { padding: 32px 24px; }
  .page-header__kanji-bg { display: none; }
  .lexicon-entry { grid-template-columns: 1fr; gap: 4px; }
  .about-intro { grid-template-columns: 1fr; }
  .about-team { grid-template-columns: 1fr; }
  .start-layout { grid-template-columns: 1fr; }
  .start-videos { grid-template-columns: 1fr; }
  .generic-content { padding: 32px 24px 60px; }
}

@media (max-width: 500px) {
  .grid-3, .grid-3--tight { grid-template-columns: 1fr; }
  .hero__title { font-size: 42px; }
  .hero__actions { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; text-align: center; }
}