:root {
  --bg: #0e0d0b;
  --surface: #161310;
  --surface-elev: #1f1b16;
  --text: #ebe4d6;
  --text-muted: #8a8377;
  --accent: #c9a961;
  --accent-dim: #8e7848;
  --rule: rgba(201, 169, 97, 0.18);
  --serif: 'Shippori Mincho B1', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: 0.04em;
  min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .7; }

/* ── Age Gate ─────────────────────────── */
.age-gate {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  padding: 2rem;
}
.age-gate.is-hidden { display: none; }
.age-gate__inner {
  max-width: 480px; text-align: center;
  border: 1px solid var(--rule);
  padding: 3rem 2rem;
  background: var(--surface);
}
.age-gate__mark {
  font-family: var(--serif);
  font-size: 0.75rem; letter-spacing: 0.5em;
  color: var(--accent); margin-bottom: 2rem;
}
.age-gate__title {
  font-family: var(--serif);
  font-size: 1.5rem; margin-bottom: 1.5rem;
  color: var(--text);
}
.age-gate__text {
  font-size: 0.85rem; color: var(--text-muted);
  margin-bottom: 2rem;
}
.age-gate__actions { display: flex; flex-direction: column; gap: 0.75rem; }
.age-gate__btn {
  padding: 0.9rem 1.5rem;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  font-family: var(--sans); font-size: 0.85rem; letter-spacing: 0.2em;
  cursor: pointer;
  transition: all .2s;
}
.age-gate__btn--primary { background: var(--accent); color: var(--bg); }
.age-gate__btn:hover { opacity: 0.85; }
.age-gate__btn--exit {
  border-color: var(--text-muted);
  color: var(--text-muted);
}

/* ── Header ─────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(14, 13, 11, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}
.site-header__inner {
  max-width: 1200px; margin: 0 auto;
  padding: 1.2rem 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
}
.brand {
  font-family: var(--serif);
  font-size: 1.1rem; letter-spacing: 0.3em;
  color: var(--text);
}
.brand a { color: inherit; }
.brand small {
  display: block; font-size: 0.55rem;
  letter-spacing: 0.4em; color: var(--accent);
  margin-top: 0.2rem;
}
.nav-toggle {
  background: none; border: none; color: var(--accent);
  cursor: pointer; font-size: 1.3rem; padding: 0.5rem;
}
.site-nav {
  position: fixed; inset: 0; z-index: 200;
  background: var(--bg);
  display: none;
  align-items: center; justify-content: center;
}
.site-nav.is-open { display: flex; }
.site-nav__close {
  position: absolute; top: 1.5rem; right: 1.5rem;
  background: none; border: none; color: var(--accent);
  font-size: 1.5rem; cursor: pointer;
}
.site-nav ul {
  list-style: none; text-align: center;
}
.site-nav li { margin: 1rem 0; }
.site-nav a {
  font-family: var(--serif);
  font-size: 1.2rem; color: var(--text);
  letter-spacing: 0.2em;
}

/* ── Hero ─────────────────────────── */
.hero {
  min-height: 80vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 4rem 1.5rem;
  position: relative;
  border-bottom: 1px solid var(--rule);
}
.hero__mark {
  font-size: 0.65rem; letter-spacing: 0.6em;
  color: var(--accent); margin-bottom: 2rem;
}
.hero__title {
  font-family: var(--serif);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 400;
  line-height: 1.4; letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}
.hero__title em {
  font-style: normal; color: var(--accent);
}
.hero__sub {
  color: var(--text-muted);
  font-size: 0.9rem; letter-spacing: 0.15em;
  max-width: 36ch;
}

/* ── Page Layout ─────────────────────── */
main { max-width: 880px; margin: 0 auto; padding: 4rem 1.5rem; }
.page-title {
  font-family: var(--serif);
  font-size: 2rem; font-weight: 400;
  text-align: center;
  margin-bottom: 0.5rem;
  letter-spacing: 0.15em;
}
.page-mark {
  text-align: center;
  font-size: 0.65rem; letter-spacing: 0.5em;
  color: var(--accent); margin-bottom: 3rem;
}
.section { margin-bottom: 3.5rem; }
.section-title {
  font-family: var(--serif);
  font-size: 1.2rem; font-weight: 400;
  letter-spacing: 0.15em;
  padding-left: 1rem;
  border-left: 2px solid var(--accent);
  margin-bottom: 1.2rem;
}
.section p { margin-bottom: 1rem; color: var(--text); }
.section ul, .section ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.section li { margin-bottom: 0.5rem; }

/* ── Tables (menu, training) ─────────── */
.price-table {
  width: 100%; border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.price-table th, .price-table td {
  padding: 1rem 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--rule);
}
.price-table th {
  font-family: var(--serif); font-weight: 400;
  color: var(--accent); letter-spacing: 0.1em;
  font-size: 0.85rem;
}
.price-table td.price {
  text-align: right; font-family: var(--serif);
  color: var(--text); white-space: nowrap;
}
.note {
  font-size: 0.85rem; color: var(--text-muted);
  border-top: 1px solid var(--rule);
  padding-top: 1rem; margin-top: 1rem;
}

/* ── Cards (rooms) ──────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  padding: 1.5rem;
}
.card h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: 1.1rem; letter-spacing: 0.1em;
  margin-bottom: 0.8rem; color: var(--accent);
}
.card p { font-size: 0.9rem; margin-bottom: 0.5rem; }
.card .muted { color: var(--text-muted); font-size: 0.85rem; }

/* ── Contact / CTA ──────────────────── */
.cta-stack {
  display: flex; flex-direction: column; gap: 0.8rem;
  max-width: 360px; margin: 2rem auto;
}
.cta {
  display: block; padding: 1rem 1.5rem;
  border: 1px solid var(--accent);
  text-align: center;
  font-family: var(--serif); letter-spacing: 0.2em;
  color: var(--accent);
  transition: all .2s;
}
.cta:hover { background: var(--accent); color: var(--bg); opacity: 1; }
.cta--primary { background: var(--accent); color: var(--bg); }
.cta--primary:hover { background: var(--accent-dim); color: var(--bg); }

.calendar-embed {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--rule);
  background: var(--surface);
}

/* ── Footer ─────────────────────────── */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 3rem 1.5rem 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.site-footer .brand { margin-bottom: 1.5rem; }
.site-footer__nav {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 1rem 2rem; margin-bottom: 2rem;
  list-style: none;
}
.site-footer__nav a { color: var(--text-muted); font-size: 0.8rem; }

/* ── Responsive ─────────────────────── */
@media (min-width: 768px) {
  main { padding: 6rem 2rem; }
}