@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500;600&display=swap');

:root {
  --cream: #faf8f5;
  --white: #ffffff;
  --ink: #1a1a18;
  --ink-light: #4a4a46;
  --ink-muted: #8a8a84;
  --border: #e0ddd8;
  --accent: #8b3a2a;
  --accent-light: #c4705e;
  --btn-bg: #3d3530;
  --btn-hover: #5a4f48;
  --font-serif: 'Noto Serif JP', serif;
  --sticky-height: 72px;
}

.product-detail {
  max-width: 720px !important;
  margin: 0 auto !important;
  padding: 0 0 calc(var(--sticky-height) + 40px) !important;
  font-family: var(--font-serif) !important;
}

.sticky-back-btn {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 44px !important;
  height: 44px !important;
  background: var(--cream) !important;
  border: 1px solid var(--border) !important;
  color: var(--ink-light) !important;
  text-decoration: none !important;
  font-size: 18px !important;
  flex-shrink: 0 !important;
  border-radius: 2px !important;
}
.sticky-back-btn:hover {
  background: var(--border) !important;
  color: var(--ink) !important;
}

.product-catch-text {
  font-size: 13px !important;
  color: var(--ink-light) !important;
  letter-spacing: 2px !important;
  margin: 6px 0 18px !important;
  display: block !important;
  border-bottom: none !important;
}

.product-images {
  margin-bottom: 0 !important;
}

.main-image {
  width: 100% !important;
  aspect-ratio: 1 / 1;
  overflow: hidden !important;
  background: var(--white) !important;
}

.main-image img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  transition: opacity 0.3s ease;
}

.thumb-list {
  display: flex !important;
  gap: 2px !important;
  flex-wrap: wrap !important;
  list-style: none !important;
  padding: 0 !important;
  margin: 2px 0 0 !important;
}

.thumb-list li {
  width: calc(16.666% - 2px) !important;
  aspect-ratio: 1 / 1;
  border: 2px solid transparent !important;
  cursor: pointer !important;
  overflow: hidden !important;
  background: var(--white) !important;
  transition: border-color 0.2s;
}
.thumb-list li:hover,
.thumb-list li.active { border-color: var(--accent) !important; }
.thumb-list li img { width: 100% !important; height: 100% !important; object-fit: cover !important; }

.product-header {
  padding: 28px 20px 24px !important;
  border-bottom: none !important;
  margin-bottom: 28px !important;
}

.product-breadcrumb {
  font-size: 11px !important;
  color: var(--ink-muted) !important;
  letter-spacing: 0.06em !important;
  margin-bottom: 18px !important;
  line-height: 1.8 !important;
}
.product-breadcrumb a:hover { color: var(--accent) !important; }
.product-breadcrumb span { margin: 0 4px !important; }

.product-name {
  font-size: 36px !important;
  font-weight: 600 !important;
  letter-spacing: 0.08em !important;
  line-height: 1.4 !important;
  margin: 0 0 12px !important;
  font-family: var(--font-serif) !important;
  color: var(--ink) !important;
}

.product-catch {
  font-size: 14px !important;
  color: var(--ink) !important;
  letter-spacing: 2px !important;
  margin-bottom: 22px !important;
  font-weight: 400 !important;
}

.product-price {
  font-size: 28px !important;
  letter-spacing: 0.05em !important;
  color: var(--ink) !important;
  font-family: var(--font-serif) !important;
  padding-top: 18px !important;
  border-top: none !important;
}
.product-price .tax { font-size: 13px !important; color: var(--ink-muted) !important; margin-left: 6px !important; }
.price-num.discount { color: var(--accent) !important; }
.discount-rate { font-size: 14px !important; color: var(--accent) !important; margin-left: 8px !important; }
.regular-price { font-size: 12px !important; color: var(--ink-muted) !important; margin-top: 4px !important; }

.option-section,
.quantity-section,
.product-links {
  padding: 0 20px !important;
}
.option-section { margin-bottom: 24px !important; }
.quantity-section { margin-bottom: 20px !important; }

.section-label {
  font-size: 11px !important;
  letter-spacing: 0.15em !important;
  color: var(--ink-muted) !important;
  margin-bottom: 12px !important;
  display: block !important;
}

.option-radios { display: flex !important; flex-wrap: wrap !important; gap: 8px !important; }
.option-radios input[type="radio"] { display: none !important; }
.option-radios label {
  display: inline-block !important;
  padding: 10px 16px !important;
  border: 1px solid var(--border) !important;
  font-size: 13px !important;
  letter-spacing: 0.06em !important;
  cursor: pointer !important;
  background: var(--white) !important;
  color: var(--ink-light) !important;
  font-family: var(--font-serif) !important;
}
.option-radios input[type="radio"]:checked + label {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
  background: #fdf5f4 !important;
}
.option-radios label:hover { border-color: var(--accent-light) !important; color: var(--accent-light) !important; }

.quantity-wrap {
  display: flex !important;
  align-items: center !important;
  width: fit-content !important;
  border: 1px solid var(--border) !important;
  background: var(--white) !important;
}
.qty-btn {
  width: 44px !important;
  height: 44px !important;
  background: none !important;
  border: none !important;
  font-size: 20px !important;
  cursor: pointer !important;
  color: var(--ink-light) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}
.qty-btn:hover { background: var(--cream) !important; }
.qty-input {
  width: 60px !important;
  height: 44px !important;
  text-align: center !important;
  border: none !important;
  border-left: 1px solid var(--border) !important;
  border-right: 1px solid var(--border) !important;
  font-family: var(--font-serif) !important;
  font-size: 15px !important;
  background: var(--white) !important;
  color: var(--ink) !important;
  outline: none !important;
}

.product-links {
  margin-top: 16px !important;
  margin-bottom: 32px !important;
  font-size: 11px !important;
  color: var(--ink-muted) !important;
  display: flex !important;
  gap: 16px !important;
  flex-wrap: wrap !important;
}
.product-links a:hover { color: var(--accent) !important; text-decoration: underline !important; }

.product-description {
  padding: 32px 20px 0 !important;
  border-top: 1px solid var(--border) !important;
  font-size: 16px !important;
  line-height: 2 !important;
  color: #333333 !important;
  letter-spacing: 2px !important;
  font-family: var(--font-serif) !important;
}
.product-description p {
  margin-bottom: 16px !important;
  color: #333333 !important;
  font-size: 16px !important;
}
.product-description h2,
.product-description h3 {
  font-size: 16px !important;
  font-weight: 500 !important;
  letter-spacing: 2px !important;
  margin: 32px 0 12px !important;
  color: var(--ink) !important;
  padding-bottom: 10px !important;
  border-bottom: 1px solid var(--border) !important;
}
.product-description h2.product-heading-lg,
.product-description p.product-heading-lg {
  font-size: 20px !important;
  font-weight: 500 !important;
  letter-spacing: 0.08em !important;
  line-height: 1.5 !important;
  color: var(--ink) !important;
  margin: 24px 0 20px !important;
  border: none !important;
  border-bottom: none !important;
  padding: 0 !important;
  text-align: left !important;
  background: none !important;
}

.size-section { margin-bottom: 32px !important; }
.size-label {
  font-size: 11px !important;
  letter-spacing: 0.15em !important;
  color: var(--ink-muted) !important;
  margin-bottom: 12px !important;
  display: block !important;
}
.size-links { display: flex !important; flex-wrap: wrap !important; gap: 8px !important; }
.size-btn {
  display: inline-block !important;
  padding: 10px 18px !important;
  border: 1px solid var(--border) !important;
  font-size: 13px !important;
  letter-spacing: 0.08em !important;
  color: var(--ink-light) !important;
  background: var(--white) !important;
  text-decoration: none !important;
  font-family: var(--font-serif) !important;
}
.size-btn:hover { border-color: var(--accent-light) !important; color: var(--accent-light) !important; }
.size-btn.active { border-color: var(--accent) !important; color: var(--accent) !important; background: #fdf5f4 !important; }

.taste-table {
  width: 100% !important;
  border-collapse: collapse !important;
  margin: 20px 0 32px !important;
  font-size: 19px !important;
  border: none !important;
}
.taste-table tr { border: none !important; border-bottom: none !important; }
.taste-table tr:first-child { border: none !important; border-top: none !important; }
.taste-table th {
  width: 25% !important;
  padding: 14px 0 !important;
  color: #333333 !important;
  font-weight: 400 !important;
  letter-spacing: 2px !important;
  text-align: left !important;
  vertical-align: middle !important;
  border: none !important;
  font-size: 19px !important;
}
.taste-table td {
  padding: 14px 0 !important;
  color: #333333 !important;
  vertical-align: middle !important;
  white-space: nowrap !important;
  border: none !important;
  font-size: 19px !important;
}
.taste-table td img {
  display: inline-block !important;
  vertical-align: middle !important;
  margin-right: 3px !important;
}
.taste-table tr:first-child td::before {
  content: "" !important;
}

.spec-table {
  width: 100% !important;
  border-collapse: collapse !important;
  margin: 20px 0 !important;
  font-size: 13px !important;
}
.spec-table tr { border-bottom: 1px solid var(--border) !important; }
.spec-table tr:first-child { border-top: 1px solid var(--border) !important; }
.spec-table th {
  width: 35% !important;
  padding: 16px 12px 16px 0 !important;
  color: var(--ink) !important;
  font-weight: 500 !important;
  letter-spacing: 2px !important;
  text-align: left !important;
  vertical-align: top !important;
  font-family: var(--font-serif) !important;
  font-size: 13px !important;
}
.spec-table td {
  padding: 16px 0 16px 16px !important;
  color: var(--ink-light) !important;
  line-height: 1.9 !important;
  vertical-align: top !important;
  font-size: 13px !important;
  letter-spacing: 2px !important;
}
.spec-table td small {
  font-size: 11px !important;
  color: var(--ink-muted) !important;
  display: block !important;
  margin-top: 4px !important;
}

.sticky-cart {
  position: fixed !important;
  bottom: 0 !important;
  left: 0 !important;
  width: 100% !important;
  background: rgba(255,255,255,0.97) !important;
  border-top: 1px solid var(--border) !important;
  z-index: 9999 !important;
  height: 84px !important;
  display: flex !important;
  align-items: center !important;
}
.sticky-cart-inner {
  max-width: 720px !important;
  margin: 0 auto !important;
  padding: 0 20px !important;
  width: 100% !important;
  display: flex !important;
  align-items: center !important;
  gap: 16px !important;
}
.sticky-price {
  font-size: 19px !important;
  white-space: nowrap !important;
  letter-spacing: 0.05em !important;
  color: var(--ink) !important;
  font-family: var(--font-serif) !important;
}
.sticky-price span { font-size: 11px !important; color: var(--ink-muted) !important; margin-left: 4px !important; }

.btn-cart {
  flex: 1 !important;
  padding: 20px !important;
  background: var(--btn-bg) !important;
  color: var(--white) !important;
  border: none !important;
  font-family: var(--font-serif) !important;
  font-size: 14px !important;
  letter-spacing: 0.2em !important;
  cursor: pointer !important;
}
.btn-cart:hover { background: var(--btn-hover) !important; }

.btn-soldout {
  flex: 1 !important;
  padding: 20px !important;
  background: #514A48 !important;
  color: var(--white) !important;
  border: none !important;
  font-family: var(--font-serif) !important;
  font-size: 13px !important;
  letter-spacing: 0.35em !important;
  cursor: not-allowed !important;
  opacity: 0.85 !important;
}

.stock_error { color: var(--accent) !important; font-size: 13px !important; margin: 0 20px !important; }
.hide { display: none !important; }
.product-unavailable { text-align: center !important; padding: 80px 20px !important; color: var(--ink-muted) !important; }

.text-titles {
  padding: 0 20px !important;
  margin-bottom: 24px !important;
}
.text-title-item {
  margin-bottom: 16px !important;
}
.text-title-name {
  font-size: 13px !important;
  color: var(--ink-muted) !important;
  letter-spacing: 0.1em !important;
  margin-bottom: 8px !important;
}
.text-title-input {
  width: 100% !important;
  padding: 14px 12px !important;
  border: 1px solid var(--border) !important;
  font-family: var(--font-serif) !important;
  font-size: 14px !important;
  color: var(--ink) !important;
  background: var(--white) !important;
  box-sizing: border-box !important;
  outline: none !important;
}
.text-title-input:focus {
  border-color: var(--accent-light) !important;
}

.product-notice {
  font-size: 15px !important;
  color: #8b3a2a !important;
  letter-spacing: 2px !important;
  line-height: 2 !important;
  margin-bottom: 24px !important;
  padding: 16px 20px !important;
  background: #fdf5f4 !important;
  border-left: 3px solid #8b3a2a !important;
  text-align: left !important;
}

.product-heading-lg {
  font-size: 44px !important;
  font-weight: 500 !important;
  letter-spacing: 0.08em !important;
  line-height: 1.5 !important;
  color: var(--ink) !important;
  margin: 24px 0 20px !important;
  border: none !important;
  border-bottom: none !important;
  padding-bottom: 0 !important;
  text-align: left !important;
  background: none !important;
}
.product-description .product-heading-lg,
.product-description .product-heading-lg::after,
.product-description .product-heading-lg::before {
  border: none !important;
  border-bottom: none !important;
}

.view-history {
  margin-top: 56px !important;
  padding: 32px 20px 0 !important;
  border-top: 1px solid var(--border) !important;
}
.view-history h3 {
  font-size: 12px !important;
  letter-spacing: 0.2em !important;
  color: var(--ink-muted) !important;
  margin-bottom: 20px !important;
  font-weight: 400 !important;
}
.history-grid {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 10px !important;
}
.history-item { display: block !important; text-decoration: none !important; color: inherit !important; }
.history-item img {
  width: 100% !important;
  aspect-ratio: 1 / 1;
  object-fit: cover !important;
  border: 1px solid var(--border) !important;
  background: var(--white) !important;
}
.history-item .vh-name { font-size: 11px !important; margin-top: 6px !important; color: var(--ink-light) !important; line-height: 1.5 !important; }
.history-item .vh-price { font-size: 11px !important; color: var(--ink-muted) !important; margin-top: 2px !important; }

@media (max-width: 480px) {
  .product-name { font-size: 28px !important; }
  .product-price { font-size: 24px !important; }
  .size-btn { padding: 8px 12px !important; font-size: 12px !important; }
  .history-grid { grid-template-columns: repeat(3, 1fr) !important; }
  .sticky-price { font-size: 16px !important; }
  .thumb-list li { width: calc(25% - 2px) !important; }
}

@media (min-width: 768px) {
  .product-description {
    font-size: 20px !important;
  }
  .product-description p {
    font-size: 20px !important;
  }
  .product-description h2.product-heading-lg,
  .product-description p.product-heading-lg {
    font-size: 30px !important;
  }
  .taste-table,
  .taste-table th,
  .taste-table td {
    font-size: 20px !important;
  }
  .spec-table,
  .spec-table th,
  .spec-table td {
    font-size: 18px !important;
  }
}

.sticky-price { display: none !important; }

/* イチオシセット用バッジ */
.set-period-badge {
  display: inline-block !important;
  font-size: 12px !important;
  letter-spacing: 0.12em !important;
  color: #8b3a2a !important;
  border: 1px solid #8b3a2a !important;
  padding: 4px 12px !important;
  margin-bottom: 20px !important;
  font-family: var(--font-serif) !important;
}
.set-tokku-badge {
  display: inline-block !important;
  font-size: 13px !important;
  letter-spacing: 0.1em !important;
  color: #444 !important;
  background: #e0dbd4 !important;
  padding: 4px 14px !important;
  margin-bottom: 24px !important;
  font-family: var(--font-serif) !important;
}

/* 戻るボタン */
.back-btn-wrap {
  padding: 20px 0 0 !important;
  margin-bottom: 12px !important;
  text-align: left !important;
}
.back-btn {
  font-size: 11px !important;
  color: var(--ink-muted) !important;
  letter-spacing: 0.12em !important;
  text-decoration: none !important;
  font-family: var(--font-serif) !important;
}
.back-btn:hover {
  color: var(--accent) !important;
}