/* ==========================================================================
   song-detail.css — 楽曲詳細ページ専用スタイル
   .not-found / .breadcrumb / .badge / .song-item__links は style.css を継承。
   ========================================================================== */

.sd-hero {
  padding-block: 44px 36px;
  background: radial-gradient(ellipse 90% 90% at 50% 0%, rgba(34, 211, 238, 0.08), transparent 60%), var(--bg);
  border-bottom: 1px solid var(--border);
}
.sd-hero .breadcrumb { margin-bottom: 20px; }
.sd-hero__body { display: flex; gap: 22px; align-items: flex-start; }
.sd-hero__info { flex: 1; min-width: 0; }
.sd-hero__badges { display: flex; gap: 8px; margin-bottom: 14px; }
.sd-hero__title { font-family: var(--font-display); font-weight: 900; font-size: clamp(1.5rem, 3.4vw, 2.2rem); }
.sd-hero__meta { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 20px; }
.sd-hero__meta div { display: flex; flex-direction: column; gap: 3px; }
.sd-hero__meta dt { font-size: 0.7rem; color: var(--text-dim); }
.sd-hero__meta dd { font-size: 0.9rem; color: var(--text-primary); font-weight: 500; }
.sd-hero__meta dd a { color: inherit; }
.sd-hero__note { margin-top: 16px; color: var(--text-muted); font-size: 0.86rem; max-width: 640px; }
.sd-hero .song-item__links { margin-top: 18px; }

.sd-body { padding-block: 40px 100px; display: flex; flex-direction: column; gap: 44px; }
.sd-section__title { font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.sd-section__desc { font-size: 0.84rem; color: var(--text-dim); margin-bottom: 16px; }

.sd-work-card {
  display: block;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color 0.2s, background 0.2s, transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.sd-work-card:hover {
  border-color: rgba(34, 211, 238, 0.4);
  background: var(--surface-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px -14px rgba(34, 211, 238, 0.35);
}
.sd-work-card__title { font-weight: 700; font-size: 1.05rem; margin-top: 8px; }
.sd-work-card__meta { margin-top: 6px; font-size: 0.82rem; color: var(--text-muted); }

.sd-artist-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.sd-work-card__songs { font-size: .88rem; color: var(--text-primary); margin-top: 10px; overflow-wrap: anywhere; }
@media (max-width: 640px) { .sd-artist-grid { grid-template-columns: 1fr; } }