/* gallery.css - ギャラリーページ専用スタイル */

/* ========================================
   Page Header
   ======================================== */
.page-header {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent) 100%);
  text-align: center;
}

.page-header-en {
  font-family: var(--font-accent);
  font-size: var(--text-sm);
  color: var(--color-primary-dark);
  letter-spacing: 0.2em;
  margin-bottom: var(--space-sm);
}

.page-header-title {
  font-family: var(--font-accent);
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
}

.page-header-desc {
  color: var(--color-text-light);
  font-size: var(--text-base);
}

/* ========================================
   Gallery Section
   ======================================== */
.gallery-section {
  background-color: var(--color-white);
}

.gallery-full-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.gallery-card {
  background-color: var(--color-off-white);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-normal);
}

.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.gallery-card-image {
  aspect-ratio: 1;
  overflow: hidden;
}

.gallery-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

.gallery-card:hover .gallery-card-image img {
  transform: scale(1.05);
}

.gallery-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray);
  font-size: var(--text-sm);
}

.gallery-card-info {
  padding: var(--space-md);
  text-align: center;
}

.gallery-card-artist {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

/* カード内紹介文（候補1） */
.gallery-card-desc {
  font-size: var(--text-xs);
  color: var(--color-gray);
  margin-top: var(--space-sm);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.gallery-card-more {
  font-size: var(--text-xs);
  color: var(--color-primary-dark);
  margin-top: var(--space-xs);
  cursor: pointer;
  display: none;
}

.gallery-card-more.is-visible {
  display: block;
}

/* ========================================
   Back Button
   ======================================== */
.gallery-back {
  text-align: center;
}

/* ========================================
   Responsive - Tablet
   ======================================== */
@media (max-width: 899px) {
  .gallery-full-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }
}

/* ========================================
   Responsive - Mobile
   ======================================== */
@media (max-width: 599px) {
  .page-header {
    padding-top: calc(var(--header-height) + var(--space-2xl));
    padding-bottom: var(--space-2xl);
  }

  .gallery-full-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .gallery-card-info {
    padding: var(--space-sm);
  }

  .gallery-card-artist {
    font-size: var(--text-xs);
  }
}

/* ========================================
   Image Modal
   ======================================== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.modal.is-open {
  display: flex;
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-lg);
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 3rem;
  cursor: pointer;
  line-height: 1;
  transition: var(--transition-normal);
}

.modal-close:hover {
  opacity: 0.7;
}

/* ========================================
   Modal Content with Description
   ======================================== */
.modal-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 90%;
  max-height: 90%;
}

.modal-image {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  cursor: default;
}

.modal-info {
  background-color: rgba(255, 255, 255, 0.95);
  padding: var(--space-md) var(--space-lg);
  border-radius: 8px;
  margin-top: var(--space-md);
  max-width: 600px;
  text-align: center;
}

.modal-artist {
  font-weight: 500;
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.modal-desc {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: 1.6;
}

.modal-desc:empty {
  display: none;
}

/* モーダル開時の背景ぼかし */
body.modal-open main,
body.modal-open .header,
body.modal-open .footer {
  filter: blur(8px);
  transition: filter 0.3s ease;
}