/* ========================================================
   ブランド高知 (BRAND KOCHI) 公式デザインシステム スタイルシート
   和モダン × 引き算の美学 (Wa-Modern & Subtraction Luxury)
   ======================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Shippori+Mincho:wght@400;500;600;700&family=Zen+Kaku+Gothic+New:wght@300;400;500;700&display=swap');

:root {
  /* 確定ブランドカラートークン */
  --niyodo-deep: #0F4C81;
  --niyodo-river: #1D6FA5;
  --niyodo-mist: #EBF3F8;
  --tosa-gold: #C5A059;
  --tosa-gold-light: #F4EEDF;
  --sumi-black: #1A1A1C;
  --charcoal: #2D2E32;
  --muted-gray: #6B7280;
  --border-subtle: #E8E6DE;
  --bg-page: #F7F6F2;
  --card-white: #FFFFFF;
  --shadow-sm: 0 4px 12px rgba(15, 76, 129, 0.04);
  --shadow-md: 0 10px 30px rgba(15, 76, 129, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 76, 129, 0.14);
  
  /* 動的テーマカラー（カラーパレット切り替えで変更可能） */
  --primary-accent: var(--niyodo-deep);
  --primary-subtle: var(--niyodo-mist);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-page);
  font-family: 'Zen Kaku Gothic New', sans-serif;
  color: var(--sumi-black);
  line-height: 1.85;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(circle at 10% 10%, rgba(15, 76, 129, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 90% 90%, rgba(197, 160, 89, 0.03) 0%, transparent 40%),
    linear-gradient(rgba(0,0,0,0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.012) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 36px 36px, 36px 36px;
  overflow-x: hidden;
}

/* ==================== グローバルナビゲーション ==================== */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(247, 246, 242, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(15, 76, 129, 0.1);
  z-index: 500;
  padding: 16px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}

.crest-logo-svg {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.nav-titles h1 {
  font-family: 'Shippori Mincho', serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--sumi-black);
}

.nav-titles span {
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--tosa-gold);
  display: block;
  margin-top: -2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-item a {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--charcoal);
  text-decoration: none;
  position: relative;
  padding: 6px 0;
  transition: color 0.2s;
}

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--primary-accent);
  transition: width 0.25s ease;
}

.nav-item a:hover {
  color: var(--primary-accent);
}

.nav-item a:hover::after {
  width: 100%;
}

.nav-tools {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--sumi-black);
  position: relative;
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.15s;
}

.nav-btn-icon:hover {
  background: rgba(15, 76, 129, 0.08);
  transform: scale(1.05);
}

.cart-count-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--primary-accent);
  color: #FFFFFF;
  font-size: 10px;
  font-weight: 700;
  font-family: 'Cinzel', serif;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ==================== ヒーローセクション ==================== */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  background: linear-gradient(135deg, #071e36 0%, #0F4C81 60%, #1a3c5e 100%);
  color: #FFFFFF;
  overflow: hidden;
  border-radius: 0 0 40px 40px;
  box-shadow: 0 20px 60px rgba(15, 76, 129, 0.25);
}

.hero-wave-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.15;
}

.hero-inner {
  max-width: 1280px;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 10;
}

.hero-content {
  padding-right: 20px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Cinzel', serif;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--tosa-gold);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(197, 160, 89, 0.35);
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tosa-gold);
}

.hero-headline {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(38px, 5vw, 56px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.1em;
  margin-bottom: 22px;
  text-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.hero-desc {
  font-size: 15px;
  line-height: 1.95;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 34px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary-hero {
  background: var(--tosa-gold);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  letter-spacing: 0.1em;
  box-shadow: 0 8px 24px rgba(197, 160, 89, 0.4);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-primary-hero:hover {
  background: #b08d47;
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(197, 160, 89, 0.5);
}

.btn-secondary-hero {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  font-size: 13px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 8px;
  text-decoration: none;
  letter-spacing: 0.1em;
  backdrop-filter: blur(8px);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-secondary-hero:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: #FFFFFF;
  transform: translateY(-3px);
}

/* ヒーロー右側：3Dティルトプロダクトカード */
.hero-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-product-showcase {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 28px;
  padding: 24px;
  backdrop-filter: blur(16px);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
  max-width: 440px;
  width: 100%;
  transition: transform 0.4s ease;
}

.hero-product-showcase:hover {
  transform: translateY(-6px) scale(1.02);
}

.hero-product-img-wrap {
  width: 100%;
  height: 280px;
  border-radius: 18px;
  overflow: hidden;
  background: #FFFFFF;
  position: relative;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.hero-product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hero-product-showcase:hover .hero-product-img-wrap img {
  transform: scale(1.06);
}

.hero-product-meta {
  margin-top: 20px;
}

.hero-product-tag {
  font-family: 'Cinzel', serif;
  font-size: 10px;
  color: var(--tosa-gold);
  letter-spacing: 0.2em;
  font-weight: 700;
}

.hero-product-title {
  font-family: 'Shippori Mincho', serif;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin: 4px 0 8px;
}

.hero-product-price {
  font-family: 'Cinzel', serif;
  font-size: 22px;
  font-weight: 700;
  color: #FFFFFF;
}

.hero-product-price small {
  font-size: 12px;
  font-family: sans-serif;
  color: rgba(255,255,255,0.7);
  font-weight: 400;
}

.hero-quick-add-btn {
  width: 100%;
  background: var(--tosa-gold);
  color: #FFFFFF;
  border: none;
  font-size: 12px;
  font-weight: 600;
  padding: 11px;
  border-radius: 8px;
  margin-top: 14px;
  cursor: pointer;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.2s, transform 0.15s;
}

.hero-quick-add-btn:hover {
  background: #b08d47;
}

/* ==================== 共通セクションレイアウト ==================== */
.section {
  max-width: 1280px;
  margin: 90px auto;
  padding: 0 40px;
}

.section-head {
  text-align: center;
  margin-bottom: 50px;
}

.section-tag {
  font-family: 'Cinzel', serif;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--tosa-gold);
  text-transform: uppercase;
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
}

.section-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 600;
  color: var(--sumi-black);
  letter-spacing: 0.1em;
}

.section-desc {
  max-width: 680px;
  margin: 14px auto 0;
  font-size: 14px;
  color: var(--muted-gray);
  line-height: 1.85;
}

/* ==================== インタラクティブ・コレクション (商品グリッド) ==================== */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-btn {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  color: var(--charcoal);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 30px;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: all 0.25s ease;
}

.tab-btn:hover {
  border-color: var(--primary-accent);
  color: var(--primary-accent);
}

.tab-btn.active {
  background: var(--primary-accent);
  color: #FFFFFF;
  border-color: var(--primary-accent);
  box-shadow: 0 4px 14px rgba(15, 76, 129, 0.25);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
}

.prod-card {
  background: #FFFFFF;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  transition: all 0.35s cubic-bezier(0.2, 0, 0, 1);
  display: flex;
  flex-direction: column;
  position: relative;
}

.prod-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(15, 76, 129, 0.2);
}

.prod-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  color: var(--primary-accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid rgba(15, 76, 129, 0.15);
  z-index: 5;
}

.prod-img-box {
  width: 100%;
  height: 240px;
  background: #FAFAFA;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.prod-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.prod-card:hover .prod-img-box img {
  transform: scale(1.08);
}

.prod-quick-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 76, 129, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.prod-card:hover .prod-quick-overlay {
  opacity: 1;
}

.btn-quick-view {
  background: #FFFFFF;
  color: var(--niyodo-deep);
  font-size: 12px;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: 20px;
  border: none;
  cursor: pointer;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 14px rgba(0,0,0,0.2);
  transition: transform 0.15s;
}

.btn-quick-view:hover {
  transform: scale(1.05);
}

.prod-info {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.prod-spec-tag {
  font-size: 10px;
  color: var(--tosa-gold);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.prod-name {
  font-family: 'Shippori Mincho', serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--sumi-black);
  margin: 6px 0 8px;
  line-height: 1.45;
}

.prod-specs {
  font-size: 12px;
  color: var(--muted-gray);
  line-height: 1.6;
  margin-bottom: 16px;
}

.prod-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: 1px solid #F0EFEA;
  padding-top: 16px;
  margin-top: auto;
}

.prod-price {
  font-family: 'Cinzel', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-accent);
}

.prod-price small {
  font-size: 11px;
  font-family: sans-serif;
  color: var(--muted-gray);
  font-weight: 400;
}

.prod-card-btns {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.btn-add-cart {
  flex: 1;
  background: var(--primary-accent);
  color: #FFFFFF;
  border: none;
  padding: 10px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-add-cart:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-fav {
  background: #F3F4F6;
  border: 1px solid #E5E7EB;
  color: var(--charcoal);
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-fav:hover {
  color: #E11D48;
  background: #FFF1F2;
}

/* ==================== ブランド哲学 ＆ 職人技セクション ==================== */
.craft-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  background: #FFFFFF;
  border-radius: 32px;
  padding: 60px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.craft-text-box h3 {
  font-family: 'Shippori Mincho', serif;
  font-size: 32px;
  line-height: 1.4;
  letter-spacing: 0.08em;
  color: var(--sumi-black);
  margin-bottom: 20px;
}

.craft-text-box p {
  font-size: 15px;
  line-height: 2;
  color: var(--charcoal);
  margin-bottom: 24px;
}

.craft-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.craft-feat-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feat-icon-box {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--niyodo-mist);
  color: var(--niyodo-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feat-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--sumi-black);
  margin-bottom: 2px;
}

.feat-desc {
  font-size: 12px;
  color: var(--muted-gray);
}

.craft-image-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.craft-img-card {
  border-radius: 16px;
  overflow: hidden;
  height: 220px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.06);
}

.craft-img-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.craft-img-card:hover img {
  transform: scale(1.08);
}

/* ==================== インタラクティブ・カラーパレット体験 ==================== */
.palette-container {
  background: #FFFFFF;
  border-radius: 28px;
  padding: 40px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.palette-swatches-interactive {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.interactive-swatch-card {
  background: #FAF9F6;
  border-radius: 16px;
  padding: 16px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
}

.interactive-swatch-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-accent);
  box-shadow: 0 10px 24px rgba(15, 76, 129, 0.12);
}

.interactive-swatch-card.active {
  border-color: var(--primary-accent);
  background: #FFFFFF;
  box-shadow: 0 10px 24px rgba(15, 76, 129, 0.15);
}

.swatch-color-rect {
  width: 100%;
  height: 80px;
  border-radius: 10px;
  margin-bottom: 12px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.06);
}

.swatch-label-jp {
  font-size: 13px;
  font-weight: 700;
  color: var(--sumi-black);
}

.swatch-label-en {
  font-size: 9px;
  font-family: 'Cinzel', serif;
  color: var(--muted-gray);
  margin-bottom: 6px;
}

.swatch-hex-badge {
  display: inline-block;
  font-size: 11px;
  font-family: monospace;
  font-weight: 700;
  color: var(--primary-accent);
  background: #FFFFFF;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid #E5E7EB;
}

/* ==================== ジャーナル / メディア実績 ==================== */
.journal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.journal-card {
  background: #FFFFFF;
  border-radius: 18px;
  padding: 26px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease;
}

.journal-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.journal-date {
  font-size: 11px;
  font-family: 'Cinzel', serif;
  color: var(--tosa-gold);
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 6px;
}

.journal-title {
  font-family: 'Shippori Mincho', serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--sumi-black);
  line-height: 1.5;
  margin-bottom: 10px;
}

.journal-text {
  font-size: 13px;
  color: var(--muted-gray);
  line-height: 1.8;
}

/* ==================== スライドイン・ショッピングカート ==================== */
.cart-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.cart-drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: -480px;
  width: 440px;
  max-width: 90vw;
  height: 100vh;
  background: #FFFFFF;
  z-index: 1000;
  box-shadow: -15px 0 40px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.cart-drawer.open {
  right: 0;
}

.cart-drawer-header {
  padding: 22px 28px;
  border-bottom: 1px solid #EAE8E1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-drawer-title {
  font-family: 'Shippori Mincho', serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-close-drawer {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--muted-gray);
  cursor: pointer;
  padding: 4px 8px;
}

.cart-drawer-body {
  flex-grow: 1;
  overflow-y: auto;
  padding: 24px 28px;
}

.cart-empty-msg {
  text-align: center;
  padding: 60px 0;
  color: var(--muted-gray);
  font-size: 14px;
}

.cart-item-row {
  display: flex;
  gap: 16px;
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid #F0EFEA;
  align-items: center;
}

.cart-item-img {
  width: 70px;
  height: 70px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid #E5E7EB;
  flex-shrink: 0;
}

.cart-item-info {
  flex-grow: 1;
}

.cart-item-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--sumi-black);
  line-height: 1.4;
  margin-bottom: 4px;
}

.cart-item-price {
  font-family: 'Cinzel', serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-accent);
}

.cart-qty-ctrl {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.btn-qty {
  width: 24px;
  height: 24px;
  background: #F3F4F6;
  border: 1px solid #D1D5DB;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

.cart-drawer-footer {
  padding: 24px 28px;
  border-top: 1.5px solid #EAE8E1;
  background: #FAF9F6;
}

.cart-subtotal-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted-gray);
  margin-bottom: 6px;
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  font-size: 18px;
  font-weight: 700;
  color: var(--sumi-black);
  margin-bottom: 18px;
}

.btn-checkout {
  width: 100%;
  background: var(--primary-accent);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 700;
  padding: 14px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 6px 18px rgba(15, 76, 129, 0.25);
  transition: all 0.2s;
}

.btn-checkout:hover {
  opacity: 0.95;
  transform: translateY(-2px);
}

/* ==================== クイックビューモーダル ==================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: #FFFFFF;
  border-radius: 24px;
  max-width: 840px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.3);
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.open .modal-container {
  transform: scale(1);
}

.btn-close-modal {
  position: absolute;
  top: 16px;
  right: 18px;
  background: rgba(0,0,0,0.06);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.modal-img-col {
  background: #FAFAFA;
  padding: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-img-col img {
  width: 100%;
  max-height: 380px;
  object-fit: contain;
  border-radius: 12px;
}

.modal-info-col {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.modal-tag {
  font-family: 'Cinzel', serif;
  font-size: 10px;
  color: var(--tosa-gold);
  letter-spacing: 0.2em;
  font-weight: 700;
}

.modal-title {
  font-family: 'Shippori Mincho', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--sumi-black);
  line-height: 1.4;
  margin: 6px 0 12px;
}

.modal-desc {
  font-size: 13px;
  color: var(--charcoal);
  line-height: 1.85;
  margin-bottom: 20px;
}

.modal-specs-list {
  font-size: 12px;
  color: var(--muted-gray);
  border-top: 1px solid #F0EFEA;
  border-bottom: 1px solid #F0EFEA;
  padding: 12px 0;
  margin-bottom: 24px;
}

.modal-price {
  font-family: 'Cinzel', serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-accent);
  margin-bottom: 18px;
}

/* ==================== トースト通知 ==================== */
.toast-notice {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--sumi-black);
  color: #FFFFFF;
  font-size: 13px;
  padding: 14px 28px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  border: 1px solid var(--tosa-gold);
  z-index: 2000;
  display: none;
  animation: slideToast 0.3s ease;
}

@keyframes slideToast {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ==================== フッター ==================== */
.footer {
  background: #FFFFFF;
  border-top: 1.5px solid #EAE8E1;
  padding: 60px 40px 40px;
  text-align: center;
  color: var(--muted-gray);
  font-size: 13px;
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
}

.footer-crest {
  width: 44px;
  height: 44px;
  margin: 0 auto 12px;
}

.footer-brand {
  font-family: 'Shippori Mincho', serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--sumi-black);
}

.footer-brand-en {
  font-family: 'Cinzel', serif;
  font-size: 11px;
  color: var(--tosa-gold);
  letter-spacing: 0.28em;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--charcoal);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--primary-accent);
}

.footer-bank-info {
  background: #FAF9F6;
  border-radius: 12px;
  padding: 16px 24px;
  margin-bottom: 30px;
  font-size: 12px;
  line-height: 1.8;
  border: 1px solid #ECEAE4;
}

.footer-copy {
  font-family: 'Cinzel', serif;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: #9CA3AF;
}

/* レスポンシブ対応 */
@media (max-width: 992px) {
  .hero { border-radius: 0 0 24px 24px; padding: 40px 20px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-actions { justify-content: center; }
  .craft-grid { grid-template-columns: 1fr; padding: 30px; }
  .modal-container { grid-template-columns: 1fr; }
  .navbar { padding: 14px 20px; }
  .nav-menu { display: none; }
}