/* ================================================================
   ニュースページ固有スタイル (news.css)
   ================================================================ */

/* 1. ページヒーロー（work.cssと同一パターン） */
.page-hero {
  position: relative;
  width: 100%;
  height: 50vh;
  min-height: 360px;
  max-height: 480px;
  overflow: hidden;
  margin-top: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-hero__bg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
}

.page-hero__image {
  width: 100%; height: 100%;
  object-fit: cover;
}

.page-hero__overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(135deg, rgba(26,60,94,0.8) 0%, rgba(26,60,94,0.5) 60%, rgba(0,0,0,0.3) 100%);
}

.page-hero__content {
  position: relative; z-index: 2;
  text-align: center;
  color: var(--color-text-white);
}

.page-hero__label {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-xs);
}

.page-hero__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-xxl);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 16px rgba(0,0,0,0.3);
}

.page-hero__description {
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
}

/* パンくずリスト */
.breadcrumb { position: absolute; bottom: var(--spacing-md); left: 0; right: 0; z-index: 2; }
.breadcrumb__list { display: flex; align-items: center; gap: 8px; max-width: var(--max-width); margin: 0 auto; padding: 0 var(--spacing-md); font-size: var(--font-size-xs); color: rgba(255,255,255,0.6); }
.breadcrumb__item a { color: rgba(255,255,255,0.6); transition: color var(--transition-fast); }
.breadcrumb__item a:hover { color: var(--color-text-white); }
.breadcrumb__item + .breadcrumb__item::before { content: '›'; margin-right: 8px; color: rgba(255,255,255,0.4); }
.breadcrumb__item[aria-current="page"] { color: var(--color-text-white); }

/* 2. ニュース一覧セクション */
.news-list-section { padding: var(--spacing-xxl) 0; background-color: var(--color-bg); }

/* 3. カテゴリフィルター (NWS-001) */
.news-filter { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: var(--spacing-lg); padding: 8px; background-color: var(--color-bg-dark); border-radius: var(--radius-lg); }
.news-filter__btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 20px; border-radius: calc(var(--radius-lg) - 4px); font-size: var(--font-size-sm); font-weight: 500; color: var(--color-text-light); background: transparent; transition: all var(--transition-base); cursor: pointer; border: none; letter-spacing: 0.03em; }
.news-filter__btn:hover { color: var(--color-primary); background-color: rgba(255,255,255,0.6); }
.news-filter__btn.active { color: var(--color-text-white); background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light)); box-shadow: var(--shadow-md); }
.news-filter__icon { font-size: 1rem; }

/* 4. 記事件数 */
.news-count { margin-bottom: var(--spacing-lg); text-align: center; }
.news-count__text { font-size: var(--font-size-sm); color: var(--color-text-light); letter-spacing: 0.05em; }
.news-count__text span { font-family: var(--font-heading); font-weight: 700; color: var(--color-primary); font-size: var(--font-size-md); }

/* 5. ニュースカードグリッド */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); margin-bottom: var(--spacing-xl); }
.news-card { background-color: var(--color-text-white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: all var(--transition-base); cursor: pointer; border: 1px solid var(--color-border); opacity: 0; transform: translateY(24px); animation: newsCardFadeIn 0.5s ease forwards; }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--color-accent-light); }
.news-card:nth-child(1) { animation-delay: 0.05s; }
.news-card:nth-child(2) { animation-delay: 0.1s; }
.news-card:nth-child(3) { animation-delay: 0.15s; }
.news-card:nth-child(4) { animation-delay: 0.2s; }
.news-card:nth-child(5) { animation-delay: 0.25s; }
.news-card:nth-child(6) { animation-delay: 0.3s; }

@keyframes newsCardFadeIn { to { opacity: 1; transform: translateY(0); } }

.news-card.hiding { opacity: 0; transform: scale(0.95) translateY(8px); transition: all 0.3s ease; }
.news-card.showing { animation: newsCardShow 0.4s ease forwards; }
@keyframes newsCardShow { from { opacity: 0; transform: scale(0.95) translateY(16px); } to { opacity: 1; transform: scale(1) translateY(0); } }

.news-card__image-wrapper { position: relative; width: 100%; aspect-ratio: 16 / 10; overflow: hidden; }
.news-card__image { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .news-card__image { transform: scale(1.06); }

/* カテゴリバッジ */
.news-card__category-badge { position: absolute; top: 12px; left: 12px; padding: 4px 12px; border-radius: 50px; font-size: var(--font-size-xs); font-weight: 600; color: var(--color-text-white); backdrop-filter: blur(8px); letter-spacing: 0.05em; }
.news-card__category-badge--event { background: linear-gradient(135deg, #e07b39, #f0a060); }
.news-card__category-badge--circle { background: linear-gradient(135deg, #2e7d32, #4caf50); }
.news-card__category-badge--recruit { background: linear-gradient(135deg, #1565c0, #42a5f5); }
.news-card__category-badge--info { background: linear-gradient(135deg, #6a1b9a, #ab47bc); }
.news-card__category-badge--project { background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light)); }

/* カードコンテンツ */
.news-card__content { padding: var(--spacing-md); }
.news-card__date { display: block; font-family: var(--font-heading); font-size: var(--font-size-xs); font-weight: 400; color: var(--color-text-light); letter-spacing: 0.08em; margin-bottom: 8px; }
.news-card__title { font-size: var(--font-size-base); font-weight: 600; color: var(--color-text); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 8px; transition: color var(--transition-fast); }
.news-card:hover .news-card__title { color: var(--color-primary); }
.news-card__excerpt { font-size: var(--font-size-sm); color: var(--color-text-light); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card__readmore { display: inline-flex; align-items: center; gap: 4px; margin-top: 12px; font-size: var(--font-size-xs); font-weight: 600; color: var(--color-accent); letter-spacing: 0.08em; transition: gap var(--transition-base); }
.news-card:hover .news-card__readmore { gap: 8px; }
.news-card__readmore-arrow { font-size: 0.85rem; transition: transform var(--transition-base); }
.news-card:hover .news-card__readmore-arrow { transform: translateX(3px); }

/* 6. もっと見るボタン (NWS-002) */
.news-load-more { text-align: center; }
.news-load-more__btn { display: inline-flex; align-items: center; gap: 8px; padding: 16px 48px; border: 2px solid var(--color-primary); border-radius: 50px; background: transparent; color: var(--color-primary); font-size: var(--font-size-base); font-weight: 600; letter-spacing: 0.05em; cursor: pointer; transition: all var(--transition-base); position: relative; overflow: hidden; }
.news-load-more__btn::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light)); transition: left var(--transition-base); z-index: -1; }
.news-load-more__btn:hover { color: var(--color-text-white); border-color: var(--color-primary); transform: translateY(-3px); box-shadow: 0 6px 24px rgba(26,60,94,0.25); }
.news-load-more__btn:hover::before { left: 0; }
.news-load-more__icon { font-size: var(--font-size-md); animation: bounceDown 1.5s ease infinite; }
@keyframes bounceDown { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(4px); } }
.news-load-more__btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; border-color: var(--color-border); color: var(--color-text-light); }
.news-load-more__btn:disabled::before { display: none; }
.news-load-more__btn:disabled:hover { box-shadow: none; transform: none; }
.news-load-more__btn.loading .news-load-more__text { visibility: hidden; }
.news-load-more__btn.loading .news-load-more__icon { display: none; }
.news-load-more__btn.loading::after { content: ''; position: absolute; width: 24px; height: 24px; border: 3px solid var(--color-border); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.news-load-more__progress { margin-top: var(--spacing-sm); font-size: var(--font-size-xs); color: var(--color-text-light); letter-spacing: 0.05em; }
.news-load-more.hidden { display: none; }

/* 7. 記事なし表示 */
.news-empty { text-align: center; padding: var(--spacing-xxl) var(--spacing-md); color: var(--color-text-light); }
.news-empty__icon { font-size: 3rem; margin-bottom: var(--spacing-md); opacity: 0.4; }
.news-empty__text { font-size: var(--font-size-md); font-weight: 500; }

/* 8. 詳細モーダル */
.news-modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 2000; display: flex; align-items: center; justify-content: center; visibility: hidden; opacity: 0; transition: visibility 0s 0.4s, opacity 0.4s ease; }
.news-modal.open { visibility: visible; opacity: 1; transition: visibility 0s, opacity 0.4s ease; }
.news-modal__overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); }
.news-modal__container { position: relative; z-index: 2001; width: 90%; max-width: 800px; max-height: 90vh; overflow-y: auto; background-color: var(--color-bg); border-radius: var(--radius-lg); box-shadow: 0 20px 60px rgba(0,0,0,0.3); transform: translateY(30px) scale(0.97); transition: transform 0.4s ease; }
.news-modal.open .news-modal__container { transform: translateY(0) scale(1); }
.news-modal__container::-webkit-scrollbar { width: 6px; }
.news-modal__container::-webkit-scrollbar-track { background: transparent; }
.news-modal__container::-webkit-scrollbar-thumb { background-color: var(--color-border); border-radius: 3px; }

.news-modal__close { position: sticky; top: 16px; float: right; margin: 16px 16px 0 0; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background-color: rgba(255,255,255,0.9); backdrop-filter: blur(8px); color: var(--color-text); font-size: var(--font-size-md); border: 1px solid var(--color-border); cursor: pointer; transition: all var(--transition-base); z-index: 10; }
.news-modal__close:hover { background-color: var(--color-primary); color: var(--color-text-white); border-color: var(--color-primary); transform: rotate(90deg); }

.news-modal__content { padding: var(--spacing-xl); }
.news-modal__header { margin-bottom: var(--spacing-lg); }
.news-modal__meta { display: flex; align-items: center; gap: var(--spacing-sm); margin-bottom: var(--spacing-sm); }
.news-modal__date { font-family: var(--font-heading); font-size: var(--font-size-sm); color: var(--color-text-light); letter-spacing: 0.08em; }
.news-modal__category { display: inline-block; padding: 3px 12px; border-radius: 50px; font-size: var(--font-size-xs); font-weight: 600; color: var(--color-text-white); letter-spacing: 0.05em; }
.news-modal__category--event { background: linear-gradient(135deg, #e07b39, #f0a060); }
.news-modal__category--circle { background: linear-gradient(135deg, #2e7d32, #4caf50); }
.news-modal__category--recruit { background: linear-gradient(135deg, #1565c0, #42a5f5); }
.news-modal__category--info { background: linear-gradient(135deg, #6a1b9a, #ab47bc); }
.news-modal__category--project { background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light)); }
.news-modal__title { font-size: var(--font-size-xl); font-weight: 700; color: var(--color-primary); line-height: 1.5; }
.news-modal__image-wrapper { border-radius: var(--radius-md); overflow: hidden; margin-bottom: var(--spacing-lg); box-shadow: var(--shadow-sm); }
.news-modal__image { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.news-modal__body { font-size: var(--font-size-base); line-height: 2; color: var(--color-text); }
.news-modal__body p { margin-bottom: var(--spacing-md); }
.news-modal__body h3 { font-size: var(--font-size-md); font-weight: 700; color: var(--color-primary); margin-top: var(--spacing-lg); margin-bottom: var(--spacing-sm); padding-left: var(--spacing-sm); border-left: 3px solid var(--color-accent); }
.news-modal__body ul { margin-bottom: var(--spacing-md); padding-left: var(--spacing-md); }
.news-modal__body ul li { position: relative; padding-left: var(--spacing-sm); margin-bottom: 4px; font-size: var(--font-size-sm); color: var(--color-text); }
.news-modal__body ul li::before { content: '\2022'; position: absolute; left: 0; color: var(--color-accent); font-weight: 700; }
.news-modal__footer { margin-top: var(--spacing-xl); padding-top: var(--spacing-lg); border-top: 1px solid var(--color-border); }
.news-modal__back-btn { display: inline-flex; align-items: center; gap: 6px; font-size: var(--font-size-sm); font-weight: 600; color: var(--color-primary); letter-spacing: 0.05em; transition: all var(--transition-base); }
.news-modal__back-btn:hover { color: var(--color-accent); gap: 10px; }

/* 9. レスポンシブ */
@media (max-width: 1024px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); gap: var(--spacing-md); }
}
@media (max-width: 767px) {
  .page-hero { min-height: 280px; height: 40vh; }
  .news-filter { gap: 4px; padding: 6px; }
  .news-filter__btn { padding: 8px 12px; font-size: var(--font-size-xs); }
  .news-filter__icon { font-size: 0.85rem; }
  .news-grid { grid-template-columns: 1fr; gap: var(--spacing-md); }
  .news-load-more__btn { padding: 14px 36px; font-size: var(--font-size-sm); }
  .news-modal__container { width: 100%; height: 100%; max-height: 100vh; border-radius: 0; }
  .news-modal__content { padding: var(--spacing-lg) var(--spacing-md); }
  .news-modal__title { font-size: var(--font-size-lg); }
}