/* ===========================
 * Archive — Hero
 * =========================== */
.archive-hero {
  padding-top: 48px;
  position: relative;
  background: var(--color-primary);
  padding-bottom: 36px;
  overflow: hidden;
}

.archive-hero::before {
  content: attr(data-bg-text);
  position: absolute;
  top: 50%;
  right: -20px;
  transform: translateY(-50%);
  font-family: var(--font-heading);
  font-size: clamp(4rem, 18vw, 16rem);
  font-weight: 900;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.03);
  letter-spacing: 0.05em;
  line-height: 1;
  pointer-events: none;
  white-space: nowrap;
}

.archive-hero__stripe {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-secondary) 0%, var(--color-accent) 100%);
}

.archive-hero__heading {
  margin-top: 12px;
}

.archive-hero__en {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
}

.archive-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  margin-top: 4px;
  letter-spacing: 0.02em;
}

/* ===========================
 * Breadcrumb
 * =========================== */
.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-top: 1.5px solid rgba(255, 255, 255, 0.3);
  border-right: 1.5px solid rgba(255, 255, 255, 0.3);
  transform: rotate(45deg);
  margin: 0 10px;
  flex-shrink: 0;
}

.breadcrumb__link {
  display: flex;
  align-items: center;
  gap: 4px;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s;
}

.breadcrumb__link:hover {
  color: #fff;
}

.breadcrumb__item--current {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

/* ===========================
 * Archive — Main
 * =========================== */
.archive-main {
  padding: 48px 0 80px;
  background: var(--color-bg);
  min-height: 50vh;
}

/* ===========================
 * Category Filter
 * =========================== */
.cat-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

@media (max-width: 768px) {
  .cat-filter {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
    margin-bottom: 24px;
    margin-inline: -20px;
    padding-inline: 20px;
  }
  .cat-filter::-webkit-scrollbar {
    display: none;
  }
  .cat-filter__item {
    flex-shrink: 0;
    white-space: nowrap;
  }
}

.cat-filter__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all 0.25s ease;
  cursor: pointer;
}

.cat-filter__item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.cat-filter__item--active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.cat-filter__item--active:hover {
  color: #fff;
}

.cat-filter__count {
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(0, 0, 0, 0.08);
  padding: 1px 7px;
  border-radius: 100px;
  line-height: 1.6;
}

.cat-filter__item--active .cat-filter__count {
  background: rgba(255, 255, 255, 0.2);
}

/* ── セパレーター ── */
.cat-filter__sep {
  width: 1px;
  height: 24px;
  align-self: center;
  background: var(--color-border);
  flex-shrink: 0;
  margin: 0 4px;
}

/* ── チームカテゴリーアイテム（カラードット付き） ── */
.cat-filter__dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cat-dot, var(--color-primary));
  flex-shrink: 0;
}

.cat-filter__item--team:hover {
  border-color: var(--cat-dot, var(--color-primary));
  color: var(--cat-dot, var(--color-primary));
}

.cat-filter__item--team.cat-filter__item--active {
  background: var(--cat-dot, var(--color-primary));
  border-color: var(--cat-dot, var(--color-primary));
  color: #fff;
}

.cat-filter__item--team.cat-filter__item--active .cat-filter__dot {
  background: #fff;
}

/* ── 記事カードのチームタグ ── */
.news-card__team-tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: var(--radius);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  background: var(--tag-color, var(--color-primary));
  color: #fff;
  opacity: 0.85;
  flex-shrink: 0;
}

/* ===========================
 * チームカテゴリーフィルター（アクセントカラー対応）
 * --cat-color CSS変数でカテゴリー別カラーを適用する
 * =========================== */
.cat-filter__item--colored:hover {
  border-color: var(--cat-color, var(--color-primary));
  color: var(--cat-color, var(--color-primary));
}

.cat-filter__item--colored.cat-filter__item--active {
  background: var(--cat-color, var(--color-primary));
  border-color: var(--cat-color, var(--color-primary));
  color: #fff;
}

.cat-filter__item--colored.cat-filter__item--active:hover {
  color: #fff;
}

/* ===========================
 * 2段タブ（親子カテゴリー）
 * =========================== */

/* ラッパー: 1段目と2段目をグループ化 */
.cat-filter-group {
  margin-bottom: 40px;
}

.cat-filter-group .cat-filter {
  margin-bottom: 0;
}

/* 親タブに子がある場合の矢印インジケーター */
.cat-filter__chevron {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  margin-left: 4px;
  opacity: 0.6;
  vertical-align: middle;
  transition: transform 0.2s ease;
}

.cat-filter__item--active .cat-filter__chevron {
  transform: rotate(180deg);
  opacity: 1;
}

/* 2段目サブタブ（初期状態は非表示） */
.cat-filter--sub {
  display: none;
  margin-top: 8px;
  padding-top: 10px;
  padding-bottom: 2px;
  border-top: 1px solid var(--color-border);
}

/* アクティブな親が選択されたとき表示 */
.cat-filter--sub.cat-filter--sub-visible {
  display: flex;
}

/* サブタブのアイテムは少し小さく */
.cat-filter--sub .cat-filter__item {
  padding: 5px 14px;
  font-size: 0.78rem;
  background: rgba(0,0,0,0.025);
}

.cat-filter--sub .cat-filter__item--active {
  background: var(--color-primary);
}

.cat-filter--sub .cat-filter__item--colored.cat-filter__item--active {
  background: var(--cat-color, var(--color-primary));
}

/* モバイル: サブタブも横スクロール */
@media (max-width: 768px) {
  .cat-filter-group {
    margin-bottom: 24px;
  }

  .cat-filter--sub {
    margin-top: 4px;
    padding-top: 8px;
  }

  .cat-filter--sub .cat-filter__item {
    padding: 5px 12px;
    font-size: 0.75rem;
  }
}

/* ===========================
 * Featured Article
 * =========================== */
.news-featured {
  margin-bottom: 48px;
  animation: fadeSlideUp 0.6s ease both;
}

.news-featured__link {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.news-featured__link:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  transform: translateY(-3px);
}

.news-featured__img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.news-featured__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-featured__link:hover .news-featured__img img {
  transform: scale(1.04);
}

.news-featured__placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.08), rgba(var(--color-secondary-rgb), 0.08));
}

.news-featured__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 14px;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #fff;
  background: var(--color-accent);
  border-radius: var(--radius);
}

.news-featured__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 36px 40px;
}

.news-featured__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.news-featured__title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.5;
  margin-bottom: 12px;
}

.news-featured__excerpt {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.news-featured__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-secondary);
  letter-spacing: 0.03em;
  transition: gap 0.3s ease;
}

.news-featured__link:hover .news-featured__more {
  gap: 10px;
}

/* ===========================
 * News Card Grid
 * =========================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  animation: fadeSlideUp 0.6s ease both;
}

.news-card__link {
  display: block;
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  height: 100%;
}

.news-card__link:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.news-card__img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.news-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card__link:hover .news-card__img img {
  transform: scale(1.06);
}

.news-card__placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.06), rgba(var(--color-secondary-rgb), 0.06));
}

.news-card__body {
  padding: 20px;
}

.news-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.news-card__cat {
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  background: var(--color-secondary);
  border-radius: var(--radius);
  flex-shrink: 0;
}

.news-card__date {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--color-text-light);
  letter-spacing: 0.03em;
}

.news-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===========================
 * Pagination
 * =========================== */
.archive-pagination {
  margin-top: 56px;
}

.archive-pagination .page-numbers {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  list-style: none;
  padding: 0;
}

.archive-pagination .page-numbers li {
  list-style: none;
}

.archive-pagination .page-numbers a,
.archive-pagination .page-numbers span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 4px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all 0.25s ease;
}

.archive-pagination .page-numbers a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-white);
}

.archive-pagination .page-numbers .current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.archive-pagination .page-numbers .prev,
.archive-pagination .page-numbers .next {
  border: none;
  background: transparent;
  color: var(--color-primary);
}

.archive-pagination .page-numbers .prev:hover,
.archive-pagination .page-numbers .next:hover {
  background: rgba(var(--color-primary-rgb), 0.06);
}

.archive-pagination .page-numbers .dots {
  border: none;
  background: transparent;
  color: var(--color-text-light);
  min-width: 30px;
}

/* ===========================
 * Empty State
 * =========================== */
.archive-empty {
  text-align: center;
  padding: 80px 20px;
}

.archive-empty__icon {
  color: var(--color-border);
  margin-bottom: 16px;
}

.archive-empty__text {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

/* ===========================
 * Animation
 * =========================== */
@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===========================
 * Responsive
 * =========================== */
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .archive-hero {
    padding-top: 24px;
    padding-right: 0;
    padding-bottom: 24px;
    padding-left: 0;
  }

  .archive-hero::before {
    font-size: clamp(4.5rem, 20vw, 8rem);
    right: 0;
  }

  .archive-hero__title {
    font-size: 1.5rem;
  }

  .news-featured__link {
    grid-template-columns: 1fr;
  }

  .news-featured__body {
    padding: 24px;
  }

  .news-featured__title {
    font-size: 1.15rem;
  }

  .news-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .news-card__link {
    display: grid;
    grid-template-columns: 120px 1fr;
  }

  .news-card__img {
    aspect-ratio: 1;
  }

  .news-card__body {
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .news-card__title {
    font-size: 0.9rem;
  }

  .cat-filter {
    gap: 6px;
    margin-bottom: 28px;
  }

  .cat-filter__item {
    padding: 6px 14px;
    font-size: 0.8rem;
  }
}