:root {
  --bg: #ECE3CC;
  --bg-soft: #F4ECD9;
  --paper: #FAF6EB;
  --ink: #1A1714;
  --ink-soft: #4A433B;
  --line: #C9BE9F;
  --accent: #6B5B3A;
  --accent-deep: #3F361F;
  --max: 1120px;
  --serif-en: "Cormorant Garamond", "Times New Roman", serif;
  --serif-jp: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--serif-jp);
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(236, 227, 204, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(201, 190, 159, 0.4);
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}
.brand-name {
  font-family: var(--serif-en);
  font-size: 30px;
  letter-spacing: 0.005em;
  font-weight: 500;
}
.brand-sub {
  font-family: var(--serif-en);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
  margin-top: 5px;
  font-weight: 400;
}
.primary-nav { display: flex; align-items: center; gap: 32px; }
.primary-nav ul {
  display: flex; gap: 28px; margin: 0; padding: 0; list-style: none;
}
.primary-nav a {
  font-family: var(--serif-en);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--ink);
  position: relative;
}
.primary-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 0; height: 1px; background: var(--ink);
  transition: width 0.3s ease;
}
.primary-nav a:hover::after { width: 100%; }

.reserve-btn {
  display: inline-block;
  padding: 10px 22px;
  border: 1px solid var(--ink);
  font-family: var(--serif-jp);
  font-size: 13px;
  letter-spacing: 0.1em;
  background: var(--ink);
  color: var(--bg);
  transition: background 0.25s ease, color 0.25s ease;
}
.reserve-btn:hover { background: transparent; color: var(--ink); }

.nav-toggle {
  display: none;
  width: 36px; height: 36px;
  background: transparent;
  border: none;
  position: relative;
  cursor: pointer;
}
.nav-toggle span {
  position: absolute; left: 6px; right: 6px; height: 1px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.2s ease, top 0.3s ease;
}
.nav-toggle span:nth-child(1) { top: 12px; }
.nav-toggle span:nth-child(2) { top: 18px; }
.nav-toggle span:nth-child(3) { top: 24px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { top: 18px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { top: 18px; transform: rotate(-45deg); }

/* Hero */
.hero {
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 100px;
  background:
    radial-gradient(ellipse at 80% 10%, rgba(255, 250, 235, 0.6), transparent 60%),
    radial-gradient(ellipse at 10% 90%, rgba(180, 165, 130, 0.18), transparent 60%),
    var(--bg);
  text-align: center;
}
.hero-content { max-width: 720px; }
.hero-eyebrow {
  font-family: var(--serif-en);
  font-size: 13px;
  letter-spacing: 0.32em;
  color: var(--ink-soft);
  margin: 0 0 24px;
  text-transform: uppercase;
}
.hero-title {
  font-family: var(--serif-en);
  font-weight: 400;
  font-size: clamp(72px, 14vw, 168px);
  letter-spacing: 0.01em;
  margin: 0;
  line-height: 1;
}
.hero-tagline {
  font-family: var(--serif-en);
  font-weight: 400;
  font-size: clamp(16px, 2.2vw, 22px);
  letter-spacing: 0.04em;
  color: var(--ink);
  margin: 4px 0 36px;
}
.hero-lead {
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 0 0 44px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 16px 38px;
  font-size: 14px;
  letter-spacing: 0.14em;
  border: 1px solid var(--ink);
  transition: background 0.25s, color 0.25s, transform 0.25s;
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: transparent; color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); }

/* Sections */
section { padding: 110px 0; }

.section-eyebrow {
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: 0.32em;
  color: var(--accent);
  text-transform: uppercase;
  margin: 0 0 14px;
  text-align: center;
}
.section-title {
  font-family: var(--serif-jp);
  font-weight: 400;
  font-size: clamp(26px, 4vw, 36px);
  letter-spacing: 0.06em;
  text-align: center;
  margin: 0 0 32px;
  line-height: 1.6;
}
.section-lead {
  text-align: center;
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  margin: 0 auto 60px;
  max-width: 680px;
}
.section-lead-sm {
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  margin: 0 auto 48px;
  max-width: 700px;
}

/* Concept */
.concept { background: var(--bg-soft); }
.concept-points {
  list-style: none;
  padding: 0;
  margin: 64px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
.concept-points li {
  background: var(--paper);
  padding: 44px 32px;
  border: 1px solid var(--line);
  text-align: left;
}
.point-num {
  font-family: var(--serif-en);
  font-size: 30px;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.concept-points h3 {
  font-size: 17px;
  letter-spacing: 0.08em;
  margin: 16px 0 10px;
  font-weight: 500;
}
.concept-points p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

/* Menu */
.menu { background: var(--bg); }

.menu-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 48px;
}
.tab {
  background: transparent;
  border: 1px solid var(--line);
  padding: 11px 22px;
  font-family: var(--serif-jp);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.tab:hover { color: var(--ink); border-color: var(--ink); }
.tab.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}

.panel { display: none; }
.panel.is-active { display: block; animation: fade 0.4s ease; }
@keyframes fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.menu-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}
.menu-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 22px 6px;
  border-bottom: 1px solid var(--line);
}
.menu-name {
  font-size: 15px;
  letter-spacing: 0.04em;
}
.menu-price {
  font-family: var(--serif-en);
  font-size: 19px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  color: var(--ink);
}
.tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 11px;
  letter-spacing: 0.1em;
  background: var(--paper);
  color: var(--accent);
  border: 1px solid var(--line);
  margin-right: 10px;
  vertical-align: 2px;
}
.tag-new { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.menu-note {
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
  margin: 18px 0 0;
}
.menu-cta {
  text-align: center;
  margin-top: 56px;
}

/* Access */
.access { background: var(--bg-soft); }
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.info-list {
  margin: 0;
}
.info-list > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.info-list > div:first-child { border-top: 1px solid var(--line); }
.info-list dt {
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  padding-top: 4px;
}
.info-list dd {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.info-list dd a {
  border-bottom: 1px solid var(--line);
  transition: border-color 0.25s ease;
}
.info-list dd a:hover { border-color: var(--ink); }
.info-note {
  display: inline-block;
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 4px;
}
.map-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--line);
  background: var(--paper);
  overflow: hidden;
}
.map-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  filter: saturate(0.85) contrast(0.95);
}

/* Contact */
.contact { background: var(--bg); }
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}
.card {
  display: block;
  padding: 40px 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  text-align: center;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}
.card:hover {
  transform: translateY(-4px);
  background: var(--ink);
  color: var(--bg);
}
.card:hover .card-label,
.card:hover .card-desc { color: rgba(236, 227, 204, 0.7); }
.card-label {
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--accent);
  margin: 0 0 14px;
  text-transform: uppercase;
}
.card-title {
  font-family: var(--serif-en);
  font-size: 22px;
  letter-spacing: 0.05em;
  margin: 0 0 10px;
}
.card-desc {
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  margin: 0;
}

/* Footer */
.site-footer {
  background: var(--accent-deep);
  color: var(--bg);
  padding: 60px 0 40px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
}
.footer-brand {
  font-family: var(--serif-en);
  font-size: 30px;
  margin: 0;
  letter-spacing: 0.04em;
}
.footer-sub {
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: rgba(236, 227, 204, 0.65);
  margin: 0;
}
.footer-address {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(236, 227, 204, 0.85);
  margin: 0;
}
.footer-copy {
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(236, 227, 204, 0.55);
  margin-top: 18px;
}

/* Responsive */
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    gap: 24px;
    background: var(--bg);
    padding: 28px 24px 36px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .primary-nav ul {
    flex-direction: column;
    gap: 18px;
    text-align: center;
  }
  .reserve-btn { width: 100%; text-align: center; }

  section { padding: 80px 0; }

  .concept-points,
  .contact-cards {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .access-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .map-wrap { aspect-ratio: 4 / 3; }

  .menu-list li {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .menu-price { align-self: flex-end; }

  .info-list > div {
    grid-template-columns: 90px 1fr;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .hero { padding: 60px 20px 80px; }
  .btn { padding: 14px 24px; font-size: 13px; }
  .tab { padding: 9px 14px; font-size: 12px; }
}