/* ============================================
   魚匠えびす 商品ページ 共通スタイルシート
   全スタイルは .ai_container 配下にスコープ済み
   他ページへの影響なし
   ============================================ */

/* ---------- Base（CSS変数・リセット含め全て .ai_container 内で完結） ---------- */
.ai_container {
  /* CSS Variables */
  --ai-color-primary:      #c0392b;
  --ai-color-primary-dark: #96281b;
  --ai-color-accent:       #e67e22;
  --ai-color-gold:         #d4a017;
  --ai-color-bg:           #faf8f4;
  --ai-color-bg-section:   #f5f0e8;
  --ai-color-text:         #2c2c2c;
  --ai-color-text-light:   #666;
  --ai-color-border:       #ddd4c4;
  --ai-color-white:        #fff;

  --ai-font-serif: 'Noto Serif JP', 'ヒラギノ明朝 Pro', 'HiraMinProN-W3', 'Yu Mincho', serif;
  --ai-font-sans:  'Noto Sans JP', 'ヒラギノ角ゴ Pro', 'Hiragino Kaku Gothic Pro', sans-serif;

  --ai-space-xs: 8px;
  --ai-space-sm: 16px;
  --ai-space-md: 32px;
  --ai-space-lg: 56px;
  --ai-space-xl: 80px;

  --ai-max-width: 900px;
  --ai-radius-sm: 4px;
  --ai-radius-md: 8px;

  /* Base */
  max-width: var(--ai-max-width);
  margin: 0 auto;
  padding: 0 var(--ai-space-sm);
  font-family: var(--ai-font-sans) !important;
  font-size: 16px !important;
  line-height: 1.8 !important;
  color: var(--ai-color-text);
  background: var(--ai-color-bg);
  box-sizing: border-box;
}

/* 親テーマのfont-sizeを継承させず ai_container 基準に統一 */
.ai_container * {
  box-sizing: border-box;
  font-size: 16px !important;
  font-family: var(--ai-font-sans);
}

.ai_container img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- Typography ---------- */

/* h1 */
.ai_container h1, .ai_container .h1 {
  font-family: var(--ai-font-serif);
  font-size: clamp(22px, 3.5vw, 32px) !important;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--ai-color-text);
}

/* h2 */
.ai_container h2, .ai_container .h2 {
  font-family: var(--ai-font-serif);
  font-size: clamp(18px, 2.5vw, 24px) !important;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--ai-color-text);
  position: relative;
  padding-bottom: var(--ai-space-sm);
  margin-bottom: var(--ai-space-md);
}
.ai_container h2::after, .ai_container .h2::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--ai-color-primary);
  position: absolute;
  bottom: 0;
  left: 0;
}
.ai_container h2.center::after {
  left: 50%;
  transform: translateX(-50%);
}

/* h3 */
.ai_container h3, .ai_container .h3 {
  font-family: var(--ai-font-serif);
  font-size: clamp(16px, 2vw, 19px) !important;
  letter-spacing: 0.05em;
  color: var(--ai-color-text);
  margin-bottom: var(--ai-space-xs);
}

/* h4 */
.ai_container h4, .ai_container .h4 {
  font-family: var(--ai-font-sans);
  font-size: 15px !important;
  font-weight: 700;
  color: var(--ai-color-text);
  margin-bottom: var(--ai-space-xs);
}

/* h5 / h6 */
.ai_container h5, .ai_container .h5,
.ai_container h6, .ai_container .h6 {
  font-family: var(--ai-font-sans);
  font-size: 14px !important;
  font-weight: 600;
  color: var(--ai-color-text-light);
}

/* ---------- Section ---------- */
.ai_container .section {
  padding: var(--ai-space-lg) 0;
}
.ai_container .section--alt {
  background: var(--ai-color-bg-section);
}

/* ---------- Product Hero ---------- */
.ai_container .product-hero {
  padding: var(--ai-space-md) 0 var(--ai-space-lg);
  border-bottom: 1px solid var(--ai-color-border);
}
.ai_container .product-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ai-space-md);
  align-items: start;
}
@media (max-width: 680px) {
  .ai_container .product-hero__inner {
    grid-template-columns: 1fr;
  }
}

/* メイン画像 */
.ai_container .product-main-image {
  border-radius: var(--ai-radius-md);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.ai_container .product-main-image img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* 商品情報 */
.ai_container .product-category-label {
  font-size: 12px !important;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ai-color-primary);
  margin-bottom: var(--ai-space-xs);
}
.ai_container .product-info h1 {
  margin-bottom: var(--ai-space-sm);
}
.ai_container .product-catch {
  font-size: 14px !important;
  color: var(--ai-color-text-light);
  border-left: 3px solid var(--ai-color-gold);
  padding-left: var(--ai-space-sm);
  margin: var(--ai-space-sm) 0;
}

/* ---------- Badges ---------- */
.ai_container .product-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ai-space-xs);
  margin: var(--ai-space-sm) 0;
}
.ai_container .hero-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}
.ai_container .badge {
  display: inline-block;
  font-size: 12px !important;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 2px;
  letter-spacing: 0.05em;
}
.ai_container .badge--red    { background: var(--ai-color-primary); color: #fff; }
.ai_container .badge--orange { background: var(--ai-color-accent);  color: #fff; }
.ai_container .badge--gold   { background: var(--ai-color-gold);    color: #fff; }
.ai_container .badge--outline {
  background: transparent;
  border: 1px solid var(--ai-color-border);
  color: var(--ai-color-text-light);
}

/* ---------- Point List ---------- */
.ai_container .point-list {
  list-style: none;
  margin: var(--ai-space-sm) 0;
}
.ai_container .point-list li {
  position: relative;
  padding-left: 1.5em;
  margin-bottom: 6px;
  font-size: 14px !important;
}
.ai_container .point-list li::before {
  content: '✓';
  color: var(--ai-color-primary);
  font-weight: 700;
  position: absolute;
  left: 0;
}

/* ---------- Product Lead ---------- */
.ai_container .product-lead {
  font-size: 15px !important;
  line-height: 2;
  color: var(--ai-color-text);
  margin: 16px 0;
}

/* ---------- Lineup Grid ---------- */
.ai_container .lineup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--ai-space-sm);
  margin: var(--ai-space-md) 0;
}
.ai_container .lineup-card { text-align: center; }
.ai_container .lineup-card__image {
  border-radius: var(--ai-radius-md);
  overflow: hidden;
  margin-bottom: var(--ai-space-xs);
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
.ai_container .lineup-card__image img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.ai_container .lineup-card:hover .lineup-card__image img {
  transform: scale(1.04);
}
.ai_container .lineup-card__label {
  font-size: 12px !important;
  color: var(--ai-color-text-light);
  margin-bottom: 2px;
}
.ai_container .lineup-card__name {
  font-family: var(--ai-font-serif);
  font-size: 15px !important;
  font-weight: 600;
  color: var(--ai-color-text);
}
.ai_container .lineup-intro {
  font-size: 14px !important;
  color: var(--ai-color-text-light);
  text-align: center;
  margin-bottom: 24px;
}

/* ---------- Fish Detail ---------- */
.ai_container .fish-detail {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--ai-space-md);
  align-items: center;
  padding: var(--ai-space-md) 0;
  border-bottom: 1px solid var(--ai-color-border);
}
.ai_container .fish-detail:last-child { border-bottom: none; }
.ai_container .fish-detail--reverse   { grid-template-columns: 1fr 200px; }
.ai_container .fish-detail--reverse .fish-detail__image { order: 2; }
.ai_container .fish-detail--reverse .fish-detail__body  { order: 1; }
.ai_container .fish-detail__image {
  border-radius: var(--ai-radius-md);
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.ai_container .fish-detail__image img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.ai_container .fish-detail__image.placeholder {
  background: #f0ece4;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  color: var(--ai-color-text-light);
  font-size: 13px !important;
}
.ai_container .fish-detail__subtitle {
  font-size: 13px !important;
  color: var(--ai-color-primary);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.ai_container .fish-detail__desc {
  font-size: 14px !important;
  color: var(--ai-color-text-light);
  line-height: 1.9;
}
@media (max-width: 600px) {
  .ai_container .fish-detail,
  .ai_container .fish-detail--reverse {
    grid-template-columns: 1fr;
  }
  .ai_container .fish-detail--reverse .fish-detail__image,
  .ai_container .fish-detail--reverse .fish-detail__body {
    order: unset;
  }
}

/* ---------- Reason List ---------- */
.ai_container .reason-list {
  counter-reset: reason-counter;
  list-style: none;
}
.ai_container .reason-item {
  counter-increment: reason-counter;
  display: flex;
  gap: var(--ai-space-sm);
  padding: var(--ai-space-md) 0;
  border-bottom: 1px solid var(--ai-color-border);
}
.ai_container .reason-item:last-child { border-bottom: none; }
.ai_container .reason-item__number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--ai-color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ai-font-serif);
  font-size: 18px !important;
  font-weight: 700;
}
.ai_container .reason-item__title {
  font-family: var(--ai-font-serif);
  font-size: 16px !important;
  font-weight: 700;
  margin-bottom: 6px;
}
.ai_container .reason-item__desc {
  font-size: 14px !important;
  color: var(--ai-color-text-light);
  line-height: 1.9;
}

/* ---------- How-to Steps ---------- */
.ai_container .steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--ai-space-sm);
  counter-reset: step-counter;
}
.ai_container .step-card {
  counter-increment: step-counter;
  background: var(--ai-color-white);
  border: 1px solid var(--ai-color-border);
  border-radius: var(--ai-radius-md);
  padding: var(--ai-space-sm);
  position: relative;
}
.ai_container .step-card::before {
  content: 'STEP ' counter(step-counter);
  display: block;
  font-size: 11px !important;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ai-color-primary);
  margin-bottom: var(--ai-space-xs);
}
.ai_container .step-card__text {
  font-size: 14px !important;
  color: var(--ai-color-text);
  line-height: 1.8;
}

/* ---------- Spec Table ---------- */
.ai_container .spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px !important;
}
.ai_container .spec-table th,
.ai_container .spec-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--ai-color-border);
  text-align: left;
  vertical-align: top;
  line-height: 1.8;
}
.ai_container .spec-table th {
  width: 30%;
  background: var(--ai-color-bg-section);
  font-weight: 600;
  color: var(--ai-color-text);
  white-space: nowrap;
}
.ai_container .spec-table td { color: var(--ai-color-text-light); }

/* ---------- Content Image ---------- */
.ai_container .content-image {
  border-radius: var(--ai-radius-md);
  overflow: hidden;
  margin: var(--ai-space-md) 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.ai_container .content-image img { width: 100%; }
.ai_container .content-image figcaption {
  font-size: 13px !important;
  color: var(--ai-color-text-light);
  padding: 8px 12px;
  background: var(--ai-color-bg-section);
  text-align: center;
}

/* ---------- Section Heading ---------- */
.ai_container .section-heading {
  text-align: center;
  margin-bottom: var(--ai-space-lg);
}
.ai_container .section-heading__en {
  display: block;
  font-size: 11px !important;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--ai-color-primary);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.ai_container .section-heading h2 {
  display: inline-block;
  font-size: clamp(19px, 3vw, 26px) !important;
}
.ai_container .section-heading h2::after {
  left: 50%;
  transform: translateX(-50%);
}

/* ---------- Notice Box ---------- */
.ai_container .notice {
  background: #fff8e7;
  border-left: 4px solid var(--ai-color-gold);
  padding: var(--ai-space-sm);
  border-radius: 0 var(--ai-radius-sm) var(--ai-radius-sm) 0;
  font-size: 14px !important;
  color: var(--ai-color-text-light);
  margin: var(--ai-space-sm) 0;
}