/* ── ギャラリーページ フィーチャーセクション (gallery.sec2 専用リデザイン) ── */
.gallery-feature-section { background: var(--color-bg); }
.gallery-feature-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto clamp(2.5rem, 5vw, 3.5rem);
}
.gallery-feature-eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 0.9rem;
}
.gallery-feature-head .section-title { margin-bottom: 1.1rem; }
.gallery-feature-head .lead { margin-bottom: 0.9rem; }
.gallery-feature-head p:not(.lead) {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.gallery-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 260px;
  gap: 1.25rem;
}
.gallery-feature-item {
  position: relative;
  grid-row: span 1;
  overflow: hidden;
  border-radius: 20px;
  isolation: isolate;
  box-shadow: 0 10px 30px rgba(0,0,0,0.10);
  transition: box-shadow 0.4s ease;
}
.gallery-feature-item--tall { grid-row: span 2; }
.gallery-feature-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
  margin: 0;
  transition: transform 0.7s cubic-bezier(.22,1,.36,1);
}
.gallery-feature-item::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.28) 45%, rgba(0,0,0,0) 70%);
  opacity: 0.55;
  transition: opacity 0.4s ease;
}
.gallery-feature-item:hover { box-shadow: 0 20px 48px rgba(0,0,0,0.2); }
.gallery-feature-item:hover::after { opacity: 0.92; }
.gallery-feature-item:hover img { transform: scale(1.08); }

.gallery-feature-item figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 1.5rem 1.4rem;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.gallery-feature-num {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-secondary);
}
.gallery-feature-item figcaption strong {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}
.gallery-feature-item figcaption span:not(.gallery-feature-num) {
  font-size: 0.85rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.88);
}

@media (max-width: 1024px) {
  .gallery-feature-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 280px; }
  .gallery-feature-item--tall { grid-row: span 2; }
}
@media (max-width: 640px) {
  .gallery-feature-grid { grid-template-columns: 1fr; grid-auto-rows: 320px; }
  .gallery-feature-item--tall { grid-row: span 1; }
}