/* ─── リセット & ベース ─────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  background: #fff;
  color: #222;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }

/* ─── トークン ─────────────────────────────── */
:root {
  --gold: #A8883A;
  --gold-light: #C9A84C;
  --off-white: #F8F7F4;
  --light-gray: #EBEBEB;
  --mid-gray: #999;
  --dark: #1A1A1A;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Noto Sans JP', sans-serif;
  --max: 1200px;
  --pad: clamp(24px, 5vw, 80px);
}

/* ─── ユーティリティ ────────────────────────── */
.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 var(--pad); }
.section { padding: clamp(60px, 10vw, 120px) 0; }
.section-label {
  font-family: var(--serif);
  font-size: clamp(11px, 1.2vw, 13px);
  letter-spacing: 0.25em;
  color: var(--gold);
  font-style: italic;
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 0.02em;
}
.gold-line {
  width: 32px;
  height: 1px;
  background: var(--gold);
  margin: 20px 0 32px;
}

/* ─── ヘッダー ─────────────────────────────── */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 var(--pad);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow 0.3s;
}
header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.06); }
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 36px; width: auto; }
.logo-text {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 0.15em;
  font-weight: 400;
  color: var(--dark);
  line-height: 1.2;
}
.logo-text span {
  display: block;
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--mid-gray);
  font-style: normal;
  font-family: var(--sans);
  font-weight: 300;
  margin-top: 2px;
}
nav { display: flex; align-items: center; gap: 36px; }
nav a {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #444;
  font-weight: 400;
  transition: color 0.2s;
  position: relative;
}
nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.2s;
}
nav a:hover { color: var(--gold); }
nav a:hover::after { transform: scaleX(1); }
.nav-contact {
  padding: 8px 20px;
  border: 1px solid var(--gold);
  color: var(--gold) !important;
  font-size: 11px !important;
  letter-spacing: 0.15em !important;
  transition: all 0.2s !important;
}
.nav-contact:hover { background: var(--gold); color: #fff !important; }
.nav-contact::after { display: none !important; }

/* ドロップダウン */
.nav-dropdown { position: relative; display: flex; align-items: center; }
.nav-dropdown-trigger {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #444;
  font-weight: 400;
  cursor: pointer;
  transition: color 0.2s;
  user-select: none;
}
.nav-dropdown-trigger::after {
  content: ' ∨';
  font-size: 9px;
  color: var(--mid-gray);
}
.nav-dropdown.open .nav-dropdown-trigger { color: var(--gold); }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 20px);
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border: 1px solid var(--light-gray);
  border-top: 2px solid var(--gold);
  min-width: 200px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  z-index: 200;
}
.nav-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
  display: block;
  padding: 12px 20px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #444;
  border-bottom: 1px solid var(--light-gray);
  transition: all 0.15s;
}
.nav-dropdown-menu a::after { display: none; }
.nav-dropdown-menu a:last-child { border-bottom: none; }
.nav-dropdown-menu a:hover { background: var(--off-white); color: var(--gold); padding-left: 24px; }

/* ハンバーガー */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 1px; background: var(--dark); transition: all 0.3s; }

/* ─── パンくず ─────────────────────────────── */
.breadcrumb {
  padding: 96px var(--pad) 0;
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 11px;
  color: var(--mid-gray);
  letter-spacing: 0.08em;
}
.breadcrumb a { color: var(--mid-gray); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: #ccc; }

/* ─── ページヒーロー ────────────────────────── */
.page-hero {
  position: relative;
  height: clamp(280px, 40vw, 480px);
  display: flex;
  align-items: flex-end;
  padding-bottom: clamp(40px, 6vw, 72px);
  overflow: hidden;
  margin-top: 16px;
}
.page-hero-bg { position: absolute; inset: 0; }
.page-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,0.65) 0%, rgba(10,10,10,0.15) 100%);
}
.page-hero-content { position: relative; z-index: 1; padding: 0 var(--pad); max-width: var(--max); margin: 0 auto; width: 100%; }
.page-hero-en {
  font-family: var(--serif);
  font-size: clamp(11px, 1.2vw, 13px);
  letter-spacing: 0.3em;
  color: var(--gold-light);
  font-style: italic;
  margin-bottom: 10px;
}
.page-hero-title {
  font-family: var(--serif);
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 300;
  color: #fff;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

/* ─── 価格表 ────────────────────────────────── */
#price { background: var(--off-white); padding: clamp(32px, 5vw, 56px) 0; }
.price-inner { border-left: 2px solid var(--gold); padding-left: 24px; margin-bottom: 20px; }
.price-title { font-size: 12px; letter-spacing: 0.15em; color: var(--mid-gray); font-weight: 300; margin-bottom: 4px; }
.price-updated { font-size: 11px; color: #bbb; }
.price-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
#price-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 500px; }
#price-table thead tr { border-bottom: 1px solid var(--light-gray); }
#price-table th { text-align: right; padding: 10px 16px; font-size: 11px; font-weight: 400; color: var(--mid-gray); letter-spacing: 0.05em; white-space: nowrap; }
#price-table th:first-child { text-align: left; }
#price-table td { padding: 14px 16px; border-bottom: 1px solid var(--light-gray); text-align: right; white-space: nowrap; }
#price-table td:first-child { text-align: left; font-weight: 500; letter-spacing: 0.05em; }
#price-table tr:last-child td { border-bottom: none; }
.price-retail { color: var(--dark); }
.price-buy { color: var(--gold); font-weight: 500; }
.price-diff-minus { color: #b94040; font-size: 11px; }
.price-diff-plus { color: #3a7d44; font-size: 11px; }
.price-note { font-size: 11px; color: #bbb; text-align: right; margin-top: 10px; }
.price-docs-link { margin-top: 14px; text-align: right; }
.price-docs-link a { font-size: 12px; color: var(--gold); letter-spacing: 0.08em; border-bottom: 1px solid var(--light-gray); padding-bottom: 1px; transition: border-color 0.2s; }
.price-docs-link a:hover { border-color: var(--gold); }

/* ─── CTA ───────────────────────────────────── */
.cta-section { background: var(--dark); text-align: center; padding: clamp(60px, 10vw, 100px) 0; }
.cta-label { font-family: var(--serif); font-size: 13px; letter-spacing: 0.25em; color: var(--gold-light); font-style: italic; margin-bottom: 12px; }
.cta-title { font-family: var(--serif); font-size: clamp(24px, 3.5vw, 36px); font-weight: 300; color: #fff; margin-bottom: 16px; }
.cta-body { font-size: 14px; color: rgba(255,255,255,0.5); margin-bottom: 36px; line-height: 1.9; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-btn { display: inline-block; padding: 16px 48px; border: 1px solid var(--gold); color: var(--gold); font-size: 13px; letter-spacing: 0.2em; transition: all 0.3s; font-family: var(--serif); }
.cta-btn:hover { background: var(--gold); color: #fff; }
.cta-btn-fill { background: var(--gold); color: #fff; }
.cta-btn-fill:hover { background: var(--gold-light); border-color: var(--gold-light); }

/* ─── フッター ─────────────────────────────── */
footer { background: #111; color: rgba(255,255,255,0.7); padding: clamp(32px, 5vw, 48px) 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-logo { font-family: var(--serif); font-size: 13px; letter-spacing: 0.2em; color: rgba(255,255,255,0.6); }
.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-nav a { font-size: 11px; letter-spacing: 0.08em; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer-nav a::after { display: none; }
.footer-nav a:hover { color: var(--gold); }
.footer-copy { font-size: 11px; letter-spacing: 0.05em; color: rgba(255,255,255,0.4); width: 100%; margin-top: 20px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.06); }

/* ─── スマホ ────────────────────────────────── */
@media (max-width: 768px) {
  nav { display: none; }
  nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.98);
    padding: 40px var(--pad);
    gap: 28px;
    z-index: 99;
    overflow-y: auto;
  }
  nav.open a { font-size: 16px; }
  nav.open .nav-dropdown-trigger { font-size: 16px; }
  nav.open .nav-dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--gold);
    padding-left: 16px;
    margin-top: 8px;
    display: block;
  }
  .hamburger { display: flex; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}