/* ============================================================
   みんなの贈り物図鑑 - メインスタイル
   ============================================================ */

/* カラー変数 */
:root {
  --white:      #ffffff;
  --ivory:      #ffffff;
  --beige:      #f2ece3;
  --beige-dark: #e8ddd0;
  --pink:       #e8d5cc;
  --terra:      #c47860;
  --terra-dark: #a05c48;
  --charcoal:   #4a4540;
  --brown:      #3d2b1f;
  --text:       #333333;
  --text-muted: #888888;
  --border:     #e4dbd2;
  --shadow:     0 2px 12px rgba(61,43,31,.07);
  --shadow-lg:  0 8px 28px rgba(61,43,31,.12);
  --radius:     10px;
}

/* ベースリセット */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--ivory);
  color: var(--text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

/* ============================================================
   コンテナ
   ============================================================ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px;
}

/* ============================================================
   ヘッダー
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-branding {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.site-logo {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--brown);
  letter-spacing: .06em;
}

.site-tagline {
  font-size: .76rem;
  color: var(--text-muted);
  letter-spacing: .02em;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .header-inner {
    height: auto;
    padding: 10px 16px;
  }
  .site-branding {
    flex-direction: column;
    align-items: flex-start;
    gap: 1px;
  }
  .site-tagline {
    white-space: normal;
    font-size: .7rem;
  }
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
}

.site-nav a {
  display: block;
  padding: 6px 12px;
  font-size: .82rem;
  color: var(--charcoal);
  letter-spacing: .03em;
  border-radius: 4px;
  transition: color .2s, background .2s;
}

.site-nav a:hover {
  color: var(--terra);
  background: var(--beige);
}

/* ハンバーガー（スマホ用） */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--charcoal);
  border-radius: 2px;
  transition: .25s;
}

/* ============================================================
   見出し共通パーツ（小ラベル + タイトル）
   ============================================================ */
.kicker {
  display: block;
  font-size: .72rem;
  letter-spacing: .22em;
  color: var(--terra);
  font-weight: 600;
  margin-bottom: 8px;
  text-transform: uppercase;
}

/* ============================================================
   ページタイトル
   ============================================================ */
.page-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--brown);
  margin-bottom: 40px;
  padding-bottom: 18px;
  border-bottom: none;
  position: relative;
}

.page-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42px;
  height: 2px;
  background: var(--terra);
}

/* ============================================================
   検索フォーム
   ============================================================ */
.search-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 40px;
  box-shadow: var(--shadow);
}

.search-selects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}

.search-selects select,
.search-keyword-row input {
  width: 100%;
  padding: 10px 13px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--ivory);
  color: var(--charcoal);
  font-size: .86rem;
  font-family: inherit;
  cursor: pointer;
  transition: border-color .2s;
}

.search-selects select:focus,
.search-keyword-row input:focus {
  outline: none;
  border-color: var(--terra);
}

.search-keyword-row {
  display: flex;
  gap: 8px;
}

.search-keyword-row input {
  flex: 1;
}

.btn-search {
  padding: 10px 22px;
  background: var(--terra);
  color: var(--white);
  border: none;
  border-radius: 5px;
  font-size: .86rem;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: .04em;
  transition: background .2s;
}

.btn-search:hover { background: var(--terra-dark); }

.search-clear {
  margin-top: 10px;
}
.search-clear a {
  font-size: .8rem;
  color: var(--text-muted);
  text-decoration: underline;
}

/* ============================================================
   件数
   ============================================================ */
.result-count {
  font-size: .84rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* ============================================================
   図鑑カード グリッド
   ============================================================ */
.gift-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* ============================================================
   図鑑カード
   ============================================================ */
.gift-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid transparent;
  transition: box-shadow .35s cubic-bezier(.22,.61,.36,1),
              transform .35s cubic-bezier(.22,.61,.36,1),
              border-color .35s;
}

.gift-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: var(--pink);
}

/* 画像クリックは詳細ページへ */
.card-img-link {
  display: block;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--beige);
  position: relative;
}

.card-img-link::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(61,43,31,.18), transparent 45%);
  opacity: 0;
  transition: opacity .35s;
}

.gift-card:hover .card-img-link::after {
  opacity: 1;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .5s cubic-bezier(.22,.61,.36,1);
}

.card-img-link:hover .card-img {
  transform: scale(1.06);
}

.card-body {
  padding: 16px 18px 18px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px 3px 8px;
  background: var(--beige);
  color: var(--charcoal);
  border-radius: 20px;
  font-size: .72rem;
  letter-spacing: .02em;
}

.tag::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--terra);
  flex-shrink: 0;
}

.tag-scene {
  background: var(--pink);
}

.tag-scene::before {
  background: var(--brown);
}

.card-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.55;
  margin-bottom: 8px;
}

.card-title a:hover { color: var(--terra); }

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: .75rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.card-meta .price {
  color: var(--terra);
  font-weight: 600;
}

.card-excerpt {
  font-size: .84rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.btn-detail {
  display: block;
  text-align: center;
  padding: 9px;
  border: 1px solid var(--terra);
  color: var(--terra);
  border-radius: 5px;
  font-size: .8rem;
  letter-spacing: .04em;
  transition: background .25s, color .25s, box-shadow .25s;
}

.btn-detail:hover {
  box-shadow: 0 4px 14px rgba(196,120,96,.3);
}

.btn-detail:hover {
  background: var(--terra);
  color: var(--white);
}

.affiliate-btns {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.btn-affiliate {
  display: block;
  text-align: center;
  padding: 7px;
  border-radius: 4px;
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .03em;
  transition: opacity .2s;
}

.btn-affiliate:hover { opacity: .82; }
.btn-rakuten  { background: #c4003c; color: #fff; }
.btn-amazon   { background: #f90; color: #111; }
.btn-yahoo    { background: #ff0033; color: #fff; }

/* 検索結果なし */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 20px;
  color: var(--text-muted);
}
.no-results a {
  display: inline-block;
  margin-top: 16px;
  color: var(--terra);
  text-decoration: underline;
}

/* ============================================================
   詳細ページ
   ============================================================ */
.breadcrumb {
  font-size: .8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.breadcrumb a { text-decoration: underline; }
.breadcrumb a:hover { color: var(--terra); }
.breadcrumb .sep { opacity: .5; }

.gift-detail {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.detail-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.6rem;
  color: var(--brown);
  margin-bottom: 28px;
  line-height: 1.5;
}

.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
  align-items: start;
}

.detail-img-wrap {
  border-radius: 8px;
  overflow: hidden;
  background: var(--beige);
  aspect-ratio: 1 / 1;
}

.detail-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* 基本情報テーブル */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  font-size: .9rem;
}

.info-table th,
.info-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.info-table th {
  width: 38%;
  color: var(--text-muted);
  font-weight: 400;
}

.price-cell {
  color: var(--terra);
  font-weight: 600;
}

/* 購入ボタン */
.purchase-btns {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-lg {
  padding: 14px 18px !important;
  font-size: .9rem !important;
  border-radius: 6px !important;
}

.purchase-btns-bottom {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

/* エピソード */
.episode {
  border-top: 1px solid var(--border);
  padding-top: 36px;
  margin-top: 4px;
}

.episode h2 {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.15rem;
  color: var(--brown);
  margin-bottom: 20px;
}

.episode-body {
  font-size: .95rem;
  line-height: 2.1;
  color: var(--charcoal);
}

/* 関連カード */
.related-section {
  margin-top: 64px;
}

.section-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--brown);
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: none;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42px;
  height: 2px;
  background: var(--terra);
}

/* ============================================================
   セクションの背景帯（リズムをつける）
   ============================================================ */
.section-tint {
  background: var(--white);
  box-shadow: 0 0 0 100vmax var(--white);
  clip-path: inset(0 -100vmax);
  position: relative;
}

/* ============================================================
   フッター
   ============================================================ */
.site-footer {
  background: var(--brown);
  color: rgba(255,255,255,.65);
  padding: 52px 24px 28px;
  margin-top: 80px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.footer-brand a {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.05rem;
  color: #fff;
}

.footer-nav {
  margin: 24px 0;
}

.footer-nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 24px;
}

.footer-nav a {
  font-size: .83rem;
}
.footer-nav a:hover { color: #fff; }

.copyright {
  font-size: .78rem;
  margin-top: 8px;
}

/* ============================================================
   レスポンシブ
   ============================================================ */

/* タブレット */
@media (max-width: 900px) {
  .gift-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .detail-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* スマホ */
@media (max-width: 640px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    z-index: 99;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 4px;
  }

  .site-nav a {
    padding: 10px 12px;
  }

  .hamburger {
    display: flex;
  }

  .gift-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  /* モバイル3列：省略表示・高さ統一 */
  .gift-grid .card-tags,
  .gift-grid .card-meta {
    display: none;
  }

  .gift-grid .affiliate-btns {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-top: 4px;
  }

  .gift-grid .btn-affiliate {
    font-size: .58rem;
    padding: 4px 3px;
  }

  .gift-grid .gift-card {
    display: flex;
    flex-direction: column;
    height: 100%;
  }

  .gift-grid .card-body {
    padding: 5px 5px 6px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }

  .gift-grid .card-title {
    font-size: .65rem;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
  }

  .gift-grid .card-excerpt {
    font-size: .6rem;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: #888;
  }

  .gift-grid .card-actions {
    margin-top: auto;
  }

  .gift-grid .btn-detail {
    font-size: .6rem;
    padding: 4px 4px;
  }

  .search-selects {
    grid-template-columns: 1fr;
  }

  .search-keyword-row {
    flex-direction: column;
  }

  .btn-search {
    width: 100%;
  }

  .container {
    padding: 28px 16px;
  }

  .gift-detail {
    padding: 24px 16px;
  }

  .detail-title {
    font-size: 1.3rem;
  }
}