@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Pinyon+Script&family=Shippori+Mincho:wght@400;500;600&display=swap');

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

/* ─── カラーパレット ─── */
:root {
  --dark:       #06040A;
  --dark-2:     #0D0A14;
  --dark-3:     #13101C;
  --cream:      #E8DFCD;
  --cream-dim:  #B8AD99;
  --gold:       #D4AF37;
  --gold-dim:   #B89568;
  --wine:       #7E1F2D;
  --wine-dark:  #4A0E1F;
  --purple:     #3D2A4D;
  --purple-dim: rgba(61,42,77,0.6);
}

/* ─── ベース ─── */
body {
  font-family: "Cormorant Garamond", "Shippori Mincho", "Hiragino Mincho ProN", serif;
  background: var(--dark);
  color: var(--cream);
  line-height: 1.85;
  overflow-x: hidden;
  font-variant-numeric: lining-nums;
  font-feature-settings: "lnum" 1;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ─── 金粉アニメーション ─── */
.dust-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}
.dust {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0;
  filter: blur(0.5px);
  box-shadow: 0 0 6px var(--gold), 0 0 12px rgba(212,175,55,0.4);
  animation: float linear infinite;
}
@keyframes float {
  0%   { transform: translateY(100vh) translateX(0);   opacity: 0; }
  10%  { opacity: 0.8; }
  90%  { opacity: 0.6; }
  100% { transform: translateY(-10vh) translateX(40px); opacity: 0; }
}

/* ─── 霧 ─── */
.fog {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background:
    radial-gradient(circle at 20% 30%, rgba(61,42,77,0.25) 0%, transparent 50%),
    radial-gradient(circle at 80% 60%, rgba(126,31,45,0.15) 0%, transparent 60%),
    radial-gradient(circle at 50% 90%, rgba(61,42,77,0.2)  0%, transparent 50%);
  animation: fogShift 25s ease-in-out infinite alternate;
}
@keyframes fogShift {
  0%   { transform: translate(0, 0); }
  100% { transform: translate(20px, -20px); }
}

/* ─── メインコンテンツ ─── */
main { position: relative; z-index: 3; }

/* ─── ナビゲーション ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  background: rgba(6,4,10,0.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212,175,55,0.15);
}
.nav-logo {
  font-family: "Cinzel", serif;
  font-size: 13px;
  letter-spacing: 0.35em;
  color: var(--gold);
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}
.nav-links a {
  font-family: "Cinzel", serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cream-dim);
  transition: color 0.3s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--gold); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--cream);
  transition: 0.3s;
}

/* ─── セクション共通 ─── */
.section {
  padding: 120px 48px;
  max-width: 1100px;
  margin: 0 auto;
}
.section-sm { padding: 80px 48px; max-width: 1100px; margin: 0 auto; }

/* ─── 区切り線 ─── */
.divider {
  width: 80px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold-dim), transparent);
  margin: 0 auto 48px;
}
.divider-full {
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(212,175,55,0.3), transparent);
  margin: 0;
}

/* ─── 見出し ─── */
.label {
  font-family: "Cinzel", serif;
  font-size: 10px;
  letter-spacing: 0.5em;
  color: var(--gold-dim);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
  text-align: center;
}
h1, h2, h3 { font-family: "Cinzel", serif; font-weight: 500; }
h2 {
  font-size: clamp(24px, 3vw, 36px);
  letter-spacing: 0.15em;
  color: var(--cream);
  text-align: center;
  margin-bottom: 16px;
}
h3 {
  font-size: clamp(16px, 2vw, 22px);
  letter-spacing: 0.1em;
  color: var(--cream);
  margin-bottom: 12px;
}
.script {
  font-family: "Pinyon Script", cursive;
  font-size: clamp(28px, 4vw, 48px);
  color: var(--gold);
  display: block;
  text-align: center;
  margin-bottom: 8px;
}

/* 価格・数字は等高数字で統一 */
.series-price, .product-price, .product-price-lg, .menu-price, .tier-price {
  font-variant-numeric: lining-nums;
  font-feature-settings: "lnum" 1;
}

/* ─── ボタン ─── */
.btn {
  display: inline-block;
  padding: 14px 40px;
  border: 1px solid var(--gold-dim);
  font-family: "Cinzel", serif;
  font-size: 11px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--cream);
  background: transparent;
  cursor: pointer;
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212,175,55,0.15), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.btn:hover { border-color: var(--gold); color: var(--gold); }
.btn:hover::before { opacity: 1; }

.btn-gold {
  background: linear-gradient(135deg, rgba(212,175,55,0.2), rgba(184,149,104,0.1));
  border-color: var(--gold);
  color: var(--gold);
}

/* ─── フッター ─── */
footer {
  position: relative;
  z-index: 3;
  padding: 60px 48px 40px;
  text-align: center;
  border-top: 1px solid rgba(212,175,55,0.12);
}
.footer-logo {
  font-family: "Cinzel", serif;
  font-size: 16px;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 24px;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 32px;
  list-style: none;
  margin-bottom: 32px;
}
.footer-links a {
  font-family: "Cinzel", serif;
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cream-dim);
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--gold); }
.footer-copy {
  font-size: 11px;
  color: rgba(184,173,153,0.5);
  letter-spacing: 0.15em;
}

/* ─── フェードインアニメーション ─── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── レスポンシブ ─── */
@media (max-width: 768px) {
  nav { padding: 16px 24px; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(6,4,10,0.96); padding: 24px; gap: 24px; border-bottom: 1px solid rgba(212,175,55,0.15); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .section { padding: 80px 24px; }
  .section-sm { padding: 60px 24px; }
  footer { padding: 48px 24px 32px; }
  .footer-links { flex-wrap: wrap; gap: 20px; }
}