/* ==========================================================================
   コラム記事 一覧・個別ページ
   ========================================================================== */
.column-archive-head,
.column-detail-head {
  margin-bottom: 32px;
}
.column-archive-lead {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 640px;
  margin-top: 12px;
}
.column-title {
  font-size: 30px;
  line-height: 1.4;
}
.column-detail-date {
  display: inline-block;
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--text-faint);
}

/* カテゴリフィルタ・検索 */
.column-filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 28px 0 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.column-cat-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.column-cat-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--text-muted);
  transition: all .2s ease;
}
.column-cat-chip:hover { border-color: var(--magenta); color: var(--magenta); }
.column-cat-chip.is-active { background: var(--grad); border-color: transparent; color: #fff; }
.column-search-form { display: flex; gap: 8px; }
.column-search-input {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 4px 10px 4px 10px;
  font-size: 13px;
  min-width: 220px;
}
.column-search-submit { padding: 8px 18px; font-size: 12.5px; }
.column-search-result-count { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.column-card-meta { display: flex; align-items: center; gap: 10px; }
.column-card-cat {
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--grad-soft);
  color: var(--violet);
  font-weight: 700;
}

/* 一覧グリッド */
.column-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 8px;
}
.column-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px 20px 6px 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease;
}
.column-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 34px -20px rgba(20, 20, 30, .25);
}
.column-card-media {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface-alt);
}
.column-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.column-card-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px;
  background: var(--grad-soft);
}
.column-card-body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.column-card-date { font-size: 11.5px; color: var(--text-faint); letter-spacing: .04em; }
.column-card-title { font-size: 17px; line-height: 1.5; }
.column-card-title a { color: var(--text); }
.column-card-title a:hover { color: var(--magenta); }
.column-card-excerpt { font-size: 13px; color: var(--text-muted); line-height: 1.7; flex: 1; }
.column-card-more { font-size: 12.5px; font-weight: 700; color: var(--violet); align-self: flex-start; }
.column-card-more:hover { color: var(--magenta); }

.column-pagination { display: flex; justify-content: center; gap: 8px; margin-top: 48px; }
.column-pagination .page-numbers {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px; padding: 0 10px;
  border: 1px solid var(--border); border-radius: 4px 10px 4px 10px;
  font-size: 13px; color: var(--text-muted);
}
.column-pagination .page-numbers.current { background: var(--grad); color: #fff; border-color: transparent; }
.column-pagination .page-numbers:hover:not(.current) { border-color: var(--magenta); color: var(--magenta); }

/* 個別記事 */
.column-hero-media {
  border-radius: 6px 24px 6px 24px;
  overflow: hidden;
  margin-bottom: 36px;
  aspect-ratio: 16 / 7;
}
.column-hero-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

.column-body { max-width: 760px; }
.column-body h2 {
  font-family: "Shippori Mincho", serif;
  font-size: 22px;
  margin: 44px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}
.column-body h3 { font-size: 17px; margin: 28px 0 12px; }
.column-body p { color: var(--text-muted); font-size: 15px; line-height: 1.95; margin: 0 0 18px; }
.column-body ul, .column-body ol { margin: 0 0 20px; padding-left: 22px; color: var(--text-muted); font-size: 15px; line-height: 1.9; }
.column-body li { margin-bottom: 6px; }
.column-body strong { color: var(--text); }

.column-detail-cat { display: inline-flex; margin-bottom: 14px; }
.column-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--text-faint);
}
.column-byline-author { color: var(--text-muted); font-weight: 700; }
.column-byline-dot { color: var(--text-faint); }

.column-related-box {
  max-width: 760px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.column-related-heading {
  font-family: "Shippori Mincho", serif;
  font-size: 18px;
  margin-bottom: 16px;
}
.column-related-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.column-related-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 4px 12px 4px 12px;
  font-size: 13px;
  color: var(--violet);
  font-weight: 700;
  transition: all .2s ease;
}
.column-related-chip:hover { border-color: var(--magenta); color: var(--magenta); }

.column-related-articles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.column-related-article { display: flex; flex-direction: column; gap: 8px; }
.column-related-article-media { aspect-ratio: 16/10; border-radius: 4px 12px 4px 12px; overflow: hidden; background: var(--surface-alt); }
.column-related-article-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.column-related-article-title { font-size: 13px; color: var(--text); line-height: 1.6; }
.column-related-article:hover .column-related-article-title { color: var(--magenta); }

.column-back-link { margin-top: 56px; }

@media (max-width: 640px) {
  .column-related-articles { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .column-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .column-grid { grid-template-columns: 1fr; }
  .column-title { font-size: 24px; }
  .column-hero-media { aspect-ratio: 16 / 10; }
}