/* ===== 商品詳細ページ専用スタイル ===== */

.product-detail-main {
  position: relative;
  z-index: 10;
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 2rem 6rem;
}

/* パンくずリスト */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.3s;
}

.breadcrumb a:hover {
  color: var(--gold);
}

.breadcrumb-sep {
  color: var(--border);
}

/* メインレイアウト（2カラム） */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

/* ===== 画像エリア ===== */
.detail-image-wrap {
  position: sticky;
  top: 2rem;
}

.detail-image-main {
  position: relative;
  height: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.detail-image-main::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a1208 0%, #0e0b08 100%);
}

.detail-image-photo::before {
  display: none;
}

.detail-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: sepia(0.1) brightness(0.92);
}

.detail-icon {
  font-size: 9rem;
  filter: sepia(0.5) brightness(0.75);
  position: relative;
  z-index: 1;
}

.detail-image-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 35%, rgba(0,0,0,0.65) 100%);
  pointer-events: none;
}

.detail-badge {
  display: inline-block;
  margin-top: 1rem;
  background: rgba(201,168,76,0.1);
  border: 1px solid var(--gold-dim);
  color: var(--gold);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  padding: 0.3rem 0.9rem;
}

.detail-badge--soldout {
  background: rgba(100,90,80,0.1);
  border-color: var(--text-dim);
  color: var(--text-dim);
}

.detail-price--soldout {
  text-decoration: line-through;
  color: var(--text-dim);
}

.soldout-message {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.9;
  margin-bottom: 1rem;
}

.detail-desc-block {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.detail-desc-block .detail-desc {
  font-size: clamp(0.85rem, 1.5vw, 0.95rem);
  color: var(--text);
  line-height: 2.1;
  letter-spacing: 0.06em;
  margin-bottom: 0;
}

.detail-image-caption {
  font-size: 0.65rem;
  color: var(--text-dim);
  margin-top: 0.75rem;
  opacity: 0.7;
}

/* ===== 情報エリア ===== */
.detail-era {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--gold-dim);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.detail-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 400;
  color: var(--text-bright);
  line-height: 1.3;
  margin-bottom: 0.4rem;
}

.detail-subtitle {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-bottom: 0;
}

.detail-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
  margin: 1.75rem 0;
}

.detail-desc {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 2;
  margin-bottom: 1rem;
}

/* スペックテーブル */
.detail-spec {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.detail-spec tr {
  border-bottom: 1px solid var(--border);
}

.detail-spec tr:first-child {
  border-top: 1px solid var(--border);
}

.detail-spec th {
  text-align: left;
  padding: 0.7rem 0;
  color: var(--gold-dim);
  font-weight: 400;
  letter-spacing: 0.08em;
  width: 7rem;
  vertical-align: top;
}

.detail-spec td {
  padding: 0.7rem 0 0.7rem 1rem;
  color: var(--text);
  line-height: 1.7;
}

/* 購入エリア */
.detail-purchase {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  padding: 1.75rem;
}

.detail-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.detail-price-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.detail-price {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  color: var(--gold);
}

.btn-inquiry-lg {
  display: block;
  width: 100%;
  background: transparent;
  border: 1px solid var(--gold-dim);
  color: var(--gold);
  font-family: 'Noto Serif JP', serif;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  padding: 0.9rem 1rem;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
  margin-bottom: 1rem;
  text-align: center;
}

.btn-inquiry-lg:hover {
  background: rgba(201,168,76,0.14);
  border-color: var(--gold);
  color: var(--gold-light);
}

.detail-note {
  font-size: 0.72rem;
  color: var(--text-dim);
  line-height: 1.8;
}

/* 戻るボタン */
.back-wrap {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.btn-back {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.08em;
  transition: color 0.3s;
}

.btn-back:hover {
  color: var(--gold);
}

/* index.html 側：カードをリンクにするスタイル */
.product-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.product-card-link:link,
.product-card-link:visited,
.product-card-link:hover,
.product-card-link:active {
  color: inherit;
  text-decoration: none;
}

.product-card-link:focus {
  outline: 1px solid var(--text-dim);
}

.product-card-link:focus:not(:focus-visible) {
  outline: none;
}

.product-card-link .product-card {
  cursor: pointer;
}

.btn-detail {
  font-size: 0.75rem;
  color: var(--gold-dim);
  letter-spacing: 0.08em;
  transition: color 0.3s;
}

.product-card-link:hover .btn-detail {
  color: var(--gold-light);
}

/* ===== 複数標本表示（Memento Mori 等） ===== */
.detail-specimen-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}

.detail-specimen-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.detail-specimen-meta {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  font-family: var(--serif-en, 'Cormorant Garamond', serif);
}

.detail-specimen-divider {
  font-size: 0.6rem;
  color: var(--gold);
  letter-spacing: 0.2em;
  text-align: left;
  padding: 0.2rem 0;
  opacity: 0.6;
}

.detail-desc--spacer {
  height: 0.6em;
  display: block;
}

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
  .product-detail {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .detail-image-wrap {
    position: static;
  }

  .detail-image-main {
    height: 300px;
  }

  .detail-icon {
    font-size: 6rem;
  }
}