/* assets/css/animals.css
   Aquamarine: animals 共通スタイル
   - ページ幅統一 / H2帯 / カード / パンくず
   - ギャラリー 3/2/1 + 矢印（＜/＞）
   - ライトボックス：画像の外側に × / ＜ / ＞
   - ワイド写真（photo-hero）
   - プロモCTA / 生き物ショートカット（通常見出し） / ご来館案内（外H2）
*/

/* ========= 変数（base.cssが未読でも崩れないフォールバック） ========= */
:root{
  --hero-grad: linear-gradient(180deg,#3aa0e6,#227fcd);
  --page-max: 1100px;
  --radius: 16px;
  --shadow: 0 12px 40px rgba(2,33,73,.08);

  --c-bg: #f5f9ff;
  --c-surface: #ffffff;
  --c-fg: #0f172a;
  --c-muted: #475569;
  --c-border: #e2e8f0;

  --c-primary: #0b63c5;
  --blue-accent: #98c7ff;
}

/* ========= レイアウト幅 ========= */
#main > .page{
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: 16px;
}

/* ========= ヒーロー ========= */
.site-header + main .page .page-hero{ margin-top:10px; }
@media (max-width:600px){ .site-header + main .page .page-hero{ margin-top:8px; } }

.page-hero{
  position:relative; border-radius:var(--radius); overflow:hidden;
  box-shadow:var(--shadow); margin:0 0 20px; background:#e9eef3;
}
.page-hero.is-compact{ height:92px; background:var(--hero-grad); }
.page-hero-caption{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  gap:12px; padding:12px 16px; color:#fff; white-space:nowrap; text-align:center;
}
.page-hero-caption h1{ margin:0; font-size:clamp(1.6rem,3.8vw,2.2rem); font-weight:700; }
.hero-sub{ font-size:clamp(1rem,2.5vw,1.1rem); opacity:.95; }
@media (max-width:480px){ .page-hero-caption{ gap:8px } .hero-sub{ font-size:.98rem } }

/* ========= セクションカード & H2帯 ========= */
.section-card{
  background:#fff; border:1px solid var(--c-border);
  border-radius:var(--radius); box-shadow:var(--shadow);
  padding:16px 16px 20px; margin:20px 0;
}
.section-card > h2{
  margin:-16px -16px 12px;
  background:var(--hero-grad); color:#fff;
  padding:.75rem 16px; border-radius:12px 12px 0 0;
  font-size:1.25rem; line-height:1.3; font-weight:700;
}

/* ========= パンくず ========= */
.breadcrumb{ margin:16px 0; font-size:.92rem; color:#556; }
.breadcrumb ol{ display:flex; flex-wrap:wrap; gap:6px; list-style:none; margin:0; padding:0; }
.breadcrumb a{ text-decoration:underline; }
.breadcrumb li + li::before{ content:"/"; color:#99a; margin:0 .3em; }
.breadcrumb-bottom{ margin:28px 0 6px; }

/* ========= ワイド写真（リード統合用） ========= */
.photo-hero.section-card{ padding-bottom:10px; }
.photo-hero-fig{ margin:0; }
.photo-hero-fig img{
  width:100%; height:auto; display:block; border-radius:12px; object-fit:cover;
}
.photo-hero-cap{ padding:10px 12px 0; margin-top:10px; }
.photo-hero-cap p{ margin:0; }

/* ========= テキストブロック & 基本情報 ========= */
.points{ margin:.3rem 0 0; padding-left:1.1em; }
.points li{ margin:.2rem 0; }
.facts{ display:grid; grid-template-columns:160px 1fr; gap:10px 16px; margin:0; }
.facts dt{ font-weight:700; color:#345; }
.facts dd{ margin:0; }
@media (max-width:600px){ .facts{ grid-template-columns:1fr; } }

/* ========= ギャラリー（3/2/1） ========= */
.gallery-wrap{ position:relative; }
.gallery{
  display:grid; grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px; list-style:none; margin:0; padding:0;
}
@media (max-width:900px){ .gallery{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (max-width:600px){ .gallery{ grid-template-columns:1fr; } }
.gallery figure{ margin:0; background:#fff; border-radius:12px; overflow:hidden; box-shadow:var(--shadow); }
.gallery img{ width:100%; aspect-ratio:4/3; object-fit:cover; display:block; }
.gallery figcaption{ padding:.5rem .7rem; font-size:.92rem; color:#445; }
/* ページ送りボタン */
.gal-arrow{
  position:absolute; top:50%; transform:translateY(-50%);
  width:38px; height:38px; border-radius:999px;
  border:1px solid #dfe7f1; background:#fff;
  display:flex; align-items:center; justify-content:center; box-shadow:var(--shadow);
  cursor:pointer;
}
.gal-prev{ left:-6px; } .gal-next{ right:-6px; }
.gal-arrow span{ font-weight:700; line-height:1; font-size:18px; }

/* ========= ライトボックス（ボタンは画像の外側） ========= */
.lightbox{
  position:fixed; inset:0; background:rgba(0,0,0,.85);
  display:none; place-items:center; z-index:1000; padding:16px;
}
.lightbox.is-open{ display:grid; }
.lb-frame{
  display:grid;
  grid-template-columns:48px minmax(0,1fr) 48px; /* 左矢印 | 画像 | 右矢印 */
  grid-template-rows:48px minmax(0,1fr) auto;    /* × | 画像 | キャプション */
  align-items:center; justify-items:center; gap:8px; margin:0;
  max-width:92vw; max-height:88vh;
}
#lb-img{
  grid-column:2; grid-row:2;
  max-width:calc(92vw - 96px); max-height:78vh;
  object-fit:contain; background:#000; border-radius:8px;
}
#lb-cap{
  grid-column:1 / 4; grid-row:3;
  color:#fff; text-align:center; font-size:.98rem; line-height:1.5; max-width:90vw;
}
.lb-arrow, .lb-close{
  width:40px; height:40px; border-radius:999px;
  border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.92); color:#0a5ea0;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; box-shadow:var(--shadow);
}
.lb-arrow span{ font-size:18px; font-weight:700; line-height:1; }
.lb-prev{ grid-column:1; grid-row:2; justify-self:end; }
.lb-next{ grid-column:3; grid-row:2; justify-self:start; }
.lb-close{ grid-column:3; grid-row:1; justify-self:start; align-self:end; font-size:18px; }
@media (max-width:600px){
  .lb-frame{ grid-template-columns:44px minmax(0,1fr) 44px; grid-template-rows:44px minmax(0,1fr) auto; }
  #lb-img{ max-width:calc(100vw - 24px - 88px); max-height:72vh; }
  .lb-arrow, .lb-close{ width:36px; height:36px; }
}

/* ========= プロモ：音と光のクラゲ展 ========= */
.promo{margin:24px 0}
.promo > .section-header h2{margin-top:0}
.promo-cta{
  display:block;position:relative;border-radius:18px;overflow:hidden;
  background:url("../../images/animals/jellyfish/jellyfish.jpg") center/cover no-repeat;
  min-height:260px;border:1px solid var(--c-border);box-shadow:var(--shadow);
}
.promo-cta .promo-copy{
  position:absolute;inset:0;
  background:linear-gradient(135deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,.22) 55%, rgba(0,0,0,0) 100%);
  display:flex;flex-direction:column;align-items:flex-start;justify-content:center;
  padding:24px;color:#fff
}

/* ========= 生き物ショートカット：通常見出し＋小さめカード ========= */
.creatures{margin:28px 0}
.creatures > h2{
  /* 帯スタイルを打ち消して通常見出し */
  margin:0 0 14px;font-size:1.375rem;font-weight:700;line-height:1.3;
  color:var(--c-fg);background:none;padding:0;border-radius:0;
}
/* グリッド */
.creatures .grid{
  display:grid;gap:16px;
  grid-template-columns:repeat(2,1fr);
}
@media (min-width:700px){ .creatures .grid{grid-template-columns:repeat(3,1fr)} }
@media (min-width:1200px){ .creatures .grid{grid-template-columns:repeat(6,1fr)} }
.tile a{
  display:flex;flex-direction:column;height:100%;
  border:1px solid var(--c-border);background:#fff;border-radius:18px;overflow:hidden;
  box-shadow:0 8px 24px rgba(2,33,73,.06);
  transition:transform .12s ease, box-shadow .12s ease;
}
.tile a:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(2,33,73,.09)}
.thumb{
  width:100%;height:120px; background:#e9edf4 center/cover no-repeat;
}
@media (min-width:900px){ .thumb{height:128px} }
.label{
  display:block;background:#fff;color:var(--c-fg);
  padding:12px 14px;font-weight:600;border-top:1px solid var(--c-border);
}
/* 背景画像（CSSからの相対パス） */
.thumb.penguin{background-image:url("../../images/animals/penguin/penguin.jpg")}
.thumb.dolphin{background-image:url("../../images/animals/dolphin/dolphin.jpg")}
.thumb.sardine{background-image:url("../../images/animals/sardine/sardine.jpg")}
.thumb.garden-eel{background-image:url("../../images/animals/garden-eel/garden-eel.jpg")}
.thumb.tropical-fish{background-image:url("../../images/animals/tropical-fish/tropical-fish.jpg")}
.thumb.jellyfish{background-image:url("../../images/animals/jellyfish/jellyfish.jpg")}
.creatures .more{margin-top:10px;text-align:right}

/* ========= ご来館案内（H2は外に出す構造） ========= */
/* HTML：
<section class="visit" aria-labelledby="visit-title">
  <h2 id="visit-title">ご来館案内</h2>
  <div class="section-card"> ... </div>
</section>
*/
.visit{margin:32px 0}
.visit > h2{
  margin:0 0 12px;
  font-size:1.375rem;font-weight:700;line-height:1.3;
  color:#fff;background:var(--hero-grad);padding:10px 14px;border-radius:12px;
}
.visit > .section-card{margin-top:0}

/* 互換：旧(.section-card.visit)でも崩れない保険 */
.section-card.visit{margin-top:10px;padding-top:18px}

/* ========= フォーカス可視化 ========= */
.gallery--clickable a{ cursor: zoom-in; }
.site-nav a:focus-visible,
.gallery a:focus-visible,
.lb-arrow:focus-visible,
.lb-close:focus-visible,
.gal-arrow:focus-visible{
  outline:3px solid var(--blue-accent);
  outline-offset:2px;
  text-decoration:none;
}

/* ===== ご来館案内 CTA：ホバーで白反転（.visit と旧 .section-card.visit の両対応） ===== */
.visit .btn-primary,
.section-card.visit .btn-primary{
  background: var(--c-primary);
  color: #fff;
  border: 1px solid var(--c-primary);
  transition: background .15s ease, color .15s ease, border-color .15s ease, box-shadow .15s ease;
}

/* hover / keyboard focus 時は白地＋青文字に */
.visit .btn-primary:hover,
.visit .btn-primary:focus-visible,
.section-card.visit .btn-primary:hover,
.section-card.visit .btn-primary:focus-visible{
  background: #fff;
  color: var(--c-primary);
  border-color: var(--c-primary);
  filter: none;            /* base 側の暗くなる効果を打ち消し */
  box-shadow: 0 0 0 3px rgba(13, 110, 253, .15); /* お好みで薄いアウトライン */
}

/* 押下時のわずかな沈み込み */
.visit .btn-primary:active,
.section-card.visit .btn-primary:active{
  transform: translateY(1px);
}


/* ========== end of file ========== */