@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;600;700&family=Noto+Sans+JP:wght@300;400;500;700&family=Noto+Sans+SC:wght@300;400;500;700&family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

:root {
  --bg: #000;
  --bg-panel: rgba(0,0,0,0.85);
  --bg-cast: #F5F0EB;
  --ink: #fff;
  --ink2: rgba(255,255,255,0.7);
  --ink3: rgba(255,255,255,0.45);
  --gold: #C9A96E;
  --gold-dark: #a8884f;
  --line: rgba(255,255,255,0.12);
  --serif: "Cormorant Garamond", serif;
  --sans: "Noto Sans JP", "Noto Sans SC", "Noto Sans KR", system-ui, sans-serif;
  --max-w: 1200px;
  --header-h: 60px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-weight: 300;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; }

.inner { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ─── Header ─── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
}
.header__logo {
  font-family: var(--serif);
  font-size: 22px; font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
}
.header__nav { display: flex; align-items: center; gap: 28px; }
.header__link {
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink2); transition: color .2s;
}
.header__link:hover { color: var(--gold); }
.header__langs { display: flex; gap: 12px; margin-left: 20px; padding-left: 20px; border-left: 1px solid var(--line); }
.header__lang {
  font-size: 12px; color: var(--ink3); cursor: pointer; transition: color .2s;
  background: none; border: none; padding: 0;
}
.header__lang:hover, .header__lang.active { color: var(--gold); }

.header__burger {
  display: none; width: 28px; height: 20px;
  flex-direction: column; justify-content: space-between;
  cursor: pointer;
}
.header__burger span {
  display: block; height: 2px; background: var(--ink);
  border-radius: 2px; transition: transform .3s, opacity .3s;
}
.header__burger.open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.header__burger.open span:nth-child(2) { opacity: 0; }
.header__burger.open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

.breadcrumb {
  background: rgba(0,0,0,0.6);
  padding: 6px 24px;
  font-size: 11px; color: var(--ink3); letter-spacing: 0.04em;
}
.breadcrumb__inner { max-width: var(--max-w); margin: 0 auto; }
.breadcrumb a { color: var(--ink3); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb__sep { margin: 0 6px; }

/* ─── Mobile Nav Overlay ─── */
.mobile-nav {
  display: none; position: fixed; inset: 0; z-index: 99;
  background: rgba(0,0,0,0.96);
  flex-direction: column; align-items: center; justify-content: center; gap: 32px;
}
.mobile-nav.open { display: flex; }
.mobile-nav__link {
  font-size: 18px; letter-spacing: 0.1em; color: var(--ink2); transition: color .2s;
}
.mobile-nav__link:hover { color: var(--gold); }
.mobile-nav__langs { display: flex; gap: 16px; margin-top: 24px; }
.mobile-nav__lang {
  font-size: 14px; color: var(--ink3); cursor: pointer;
  background: none; border: none; padding: 0;
}
.mobile-nav__lang:hover, .mobile-nav__lang.active { color: var(--gold); }

/* ─── Hero ─── */
.hero {
  margin-top: var(--header-h);
  width: 100%; height: 75vh; min-height: 400px;
  position: relative; overflow: hidden;
}
.hero__img {
  width: 100%; height: 100%; object-fit: cover;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.5) 100%);
}

/* ─── Section base ─── */
.section {
  padding: 80px 0;
}
.section--dark { background: var(--bg); }
.section--cast { background: var(--bg-cast); color: #1a1a1a; }
.section__title {
  font-family: var(--serif);
  font-size: 28px; font-weight: 600;
  letter-spacing: 0.1em; text-align: center;
  margin-bottom: 12px;
}
.section--cast .section__title { color: #1a1a1a; }
.section__subtitle {
  font-size: 13px; text-align: center;
  color: var(--ink2); margin-bottom: 48px;
  letter-spacing: 0.04em;
}
.section--cast .section__subtitle { color: #666; }

/* ─── About ─── */
.about__text {
  max-width: 720px; margin: 0 auto;
  text-align: center; color: var(--ink2);
  font-size: 14px; line-height: 2;
}

/* ─── Cast Grid ─── */
.cast-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  max-width: 900px; margin: 0 auto;
}
.cast-card {
  position: relative; overflow: hidden;
  aspect-ratio: 3/4;
}
.cast-card__img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
}
.cast-card:hover .cast-card__img { transform: scale(1.04); }
.cast-card__name {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 12px 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.08em; color: #fff;
}
.cast-more {
  display: block; margin: 32px auto 0; padding: 12px 48px;
  border: 1px solid #999; font-size: 13px; letter-spacing: 0.06em;
  color: #555; background: transparent; transition: all .2s;
}
.cast-more:hover { border-color: var(--gold-dark); color: var(--gold-dark); }

/* ─── Floor / Interior ─── */
.floor-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  max-width: 960px; margin: 0 auto;
}
.floor-card { position: relative; overflow: hidden; }
.floor-card__img {
  width: 100%; height: 100%; object-fit: cover;
  aspect-ratio: 4/3;
  transition: transform .4s ease;
}
.floor-card:hover .floor-card__img { transform: scale(1.04); }
.floor-card__caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 10px 14px;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  font-size: 12px; color: rgba(255,255,255,0.85);
}
.floor__text {
  max-width: 720px; margin: 40px auto 0;
  text-align: center; color: var(--ink2);
  font-size: 14px; line-height: 2;
}

/* ─── Q&A ─── */
.qa-list {
  max-width: 760px; margin: 0 auto;
}
.qa-item {
  border-bottom: 1px solid var(--line);
}
.qa-item:first-child { border-top: 1px solid var(--line); }
.qa-q {
  width: 100%; padding: 20px 0; text-align: left;
  font-size: 14px; color: var(--ink);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; letter-spacing: 0.02em;
}
.qa-q::after {
  content: "+"; flex-shrink: 0;
  font-size: 20px; font-weight: 300;
  color: var(--gold); transition: transform .3s;
}
.qa-item.open .qa-q::after { content: "−"; }
.qa-a {
  max-height: 0; overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  font-size: 13px; color: var(--ink2); line-height: 1.9;
}
.qa-item.open .qa-a {
  max-height: 300px; padding-bottom: 20px;
}

/* ─── Access ─── */
.access__wrap {
  max-width: 760px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  align-items: start;
}
.access__info { font-size: 14px; color: var(--ink2); line-height: 2; }
.access__info dt { color: var(--gold); font-weight: 500; margin-top: 16px; }
.access__info dt:first-child { margin-top: 0; }
.access__map {
  width: 100%; aspect-ratio: 4/3;
  background: #111; border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink3); font-size: 13px;
}

/* ─── Related ─── */
.related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; max-width: 960px; margin: 0 auto;
}
.related-card {
  position: relative; overflow: hidden;
  aspect-ratio: 16/9; border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  background: #0a0a0a;
}
.related-card__img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.5; transition: opacity .3s;
}
.related-card:hover .related-card__img { opacity: 0.7; }
.related-card__name {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 20px;
  letter-spacing: 0.12em; color: #fff;
  text-shadow: 0 2px 12px rgba(0,0,0,0.6);
}

/* ─── Footer ─── */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.footer__inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  text-align: center;
}
.footer__nav { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; margin-bottom: 20px; }
.footer__link { font-size: 12px; color: var(--ink3); letter-spacing: 0.06em; transition: color .2s; }
.footer__link:hover { color: var(--gold); }
.footer__langs { display: flex; justify-content: center; gap: 16px; margin-bottom: 24px; }
.footer__lang {
  font-size: 12px; color: var(--ink3); cursor: pointer;
  background: none; border: none; padding: 0; transition: color .2s;
}
.footer__lang:hover, .footer__lang.active { color: var(--gold); }
.footer__copy { font-size: 11px; color: var(--ink3); letter-spacing: 0.04em; }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  :root { --header-h: 54px; }
  .header__nav { display: none; }
  .header__burger { display: flex; }
  .hero { height: 55vh; }
  .section { padding: 56px 0; }
  .section__title { font-size: 22px; }
  .cast-grid { grid-template-columns: repeat(2, 1fr); gap: 1px; }
  .floor-grid { grid-template-columns: 1fr; }
  .access__wrap { grid-template-columns: 1fr; gap: 24px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer__nav { gap: 16px; }
}

@media (max-width: 480px) {
  .section__title { font-size: 20px; }
  .about__text, .floor__text { font-size: 13px; }
}