/* ============================================
   /column/ アーカイブ専用スタイル
   トップの column-section と同トーンで統一
   ============================================ */

.col-arc-page {
  background: #0d1022;
  overflow: hidden;
}

/* ヒーロー */
.col-arc-hero {
  position: relative;
  background: linear-gradient(135deg, #0d1022 0%, #1a0a30 50%, #2a0a2e 100%);
  padding: 88px 24px 68px;
  overflow: hidden;
  text-align: center;
  border-bottom: 1px solid rgba(240,62,122,0.15);
}
.col-arc-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
}
.col-arc-hero-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: rgba(240,62,122,0.75);
  margin-bottom: 14px;
}
.col-arc-hero-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  color: #fff;
  margin: 0 0 18px;
  line-height: 1.3;
}
.col-arc-hero-lead {
  font-size: 14px;
  color: rgba(255,255,255,0.45);
  line-height: 2.0;
}
.col-arc-hero-deco {
  position: absolute;
  right: -12px; bottom: -22px;
  font-size: clamp(72px, 14vw, 160px);
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  color: rgba(255,255,255,0.028);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  letter-spacing: 0.06em;
  white-space: nowrap;
  z-index: 1;
}

/* ボディ */
.col-arc-body {
  padding: 56px 0 80px;
  background: #0d1022;
}

/* グリッド：トップと同一構造 */
.col-arc-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 18px;
  margin-bottom: 48px;
}
/* 1件目をフィーチャー（2行分） */
.col-arc-grid .col-card-featured {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
}
/* 6件以上のとき4件目以降は通常グリッドに戻す */
.col-arc-grid .col-card:nth-child(n+6) {
  grid-column: auto;
  grid-row: auto;
}

@media (max-width: 900px) {
  .col-arc-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .col-arc-grid .col-card-featured {
    grid-column: 1 / 3;
    grid-row: auto;
  }
}
@media (max-width: 540px) {
  .col-arc-grid { grid-template-columns: 1fr; }
  .col-arc-grid .col-card-featured { grid-column: auto; }
}

/* ページネーション */
.col-arc-pager {
  text-align: center;
  margin-bottom: 56px;
}
.col-arc-pager .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border-radius: 50%;
  margin: 0 4px;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.12);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.col-arc-pager .page-numbers.current,
.col-arc-pager .page-numbers:hover {
  background: var(--pink-main);
  color: #fff;
  border-color: var(--pink-main);
}

/* CTA */
.col-arc-cta {
  text-align: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(240,62,122,0.18);
  border-radius: 24px;
  padding: 52px 24px;
}
.col-arc-cta-text {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 28px;
  line-height: 1.9;
}
.col-arc-back {
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  color: rgba(255,255,255,0.3);
  text-decoration: none;
  transition: color 0.2s;
}
.col-arc-back:hover { color: var(--pink-main); }

/* empty */
.col-arc-empty {
  padding: 80px 0;
  text-align: center;
  color: rgba(255,255,255,0.3);
  font-size: 14px;
}

/* SP */
@media (max-width: 540px) {
  .col-arc-hero { padding: 60px 20px 48px; }
  .col-arc-cta  { padding: 36px 20px; }
}