/* ============================================================
   北参道メディカルクリニック コラムページ共通スタイル
   ============================================================ */

/* --------------------------------------------------
   コラムトップ（index.html）
-------------------------------------------------- */

.column-page-title {
  background-color: #acd5e1;
  padding: 3rem 0 2rem;
  margin-top: 70px; /* fixed navbarの高さ分 */
}
.column-page-title h1 {
  color: #006EB9;
  font-weight: 700;
  font-size: 1.8rem;
}
.column-page-title .english {
  color: #52a7e0;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
}
.column-section {
  padding: 3rem 0 4rem;
}

/* 記事カード */
.col-card {
  display: flex;
  flex-direction: column;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, transform 0.2s;
  height: 100%;
}
.col-card:hover {
  box-shadow: 0 4px 16px rgba(0,110,185,0.15);
  transform: translateY(-3px);
  color: inherit;
  text-decoration: none;
}
.col-card__img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: #acd5e1;
}
.col-card__img--placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #acd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #006EB9;
  font-size: 2rem;
}
.col-card__body {
  padding: 1rem 1.2rem 1.4rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.col-card__date {
  font-size: 0.78rem;
  color: #888;
  margin-bottom: 0.4rem;
}
.col-card__category {
  display: inline-block;
  background-color: #52a7e0;
  color: #fff;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 3px;
  margin-bottom: 0.6rem;
}
.col-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #333;
  line-height: 1.5;
  margin-bottom: 0.5rem;
  flex: 1;
}
.col-card__summary {
  font-size: 0.82rem;
  color: #555;
  line-height: 1.6;
}

/* 空状態 */
.col-empty {
  text-align: center;
  padding: 4rem 1rem;
  color: #888;
}
.col-empty i {
  font-size: 3rem;
  color: #acd5e1;
  display: block;
  margin-bottom: 1rem;
}

/* --------------------------------------------------
   記事ページ（template.html および各記事）
-------------------------------------------------- */

.article-header {
  background-color: #acd5e1;
  padding: 3rem 0 2rem;
  margin-top: 70px;
}
.article-header .breadcrumb {
  background: transparent;
  padding: 0;
  margin-bottom: 1rem;
  font-size: 0.82rem;
}
.article-header .breadcrumb-item a {
  color: #006EB9;
  text-decoration: none;
}
.article-header .breadcrumb-item.active {
  color: #555;
}
.article-header .category-badge {
  display: inline-block;
  background-color: #52a7e0;
  color: #fff;
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 3px;
  margin-bottom: 0.6rem;
}
.article-header h1 {
  color: #006EB9;
  font-weight: 700;
  font-size: 1.6rem;
  line-height: 1.5;
}
.article-meta {
  font-size: 0.82rem;
  color: #777;
  margin-top: 0.5rem;
}

/* 記事本文エリア */
.article-body {
  padding: 3rem 0 4rem;
}
.article-content {
  max-width: 760px;
  margin: 0 auto;
  font-size: 0.95rem;
  line-height: 1.9;
  color: #333;
}
.article-content h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #006EB9;
  border-left: 4px solid #52a7e0;
  padding-left: 0.8rem;
  margin: 2.5rem 0 1rem;
}
.article-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #333;
  margin: 2rem 0 0.8rem;
}
.article-content p {
  margin-bottom: 1.2rem;
}
.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 1.5rem 0;
}

/* 記事アイキャッチ */
.article-eyecatch {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 2rem;
}

/* コラムに戻るボタン */
.back-link {
  display: inline-block;
  margin-top: 2.5rem;
  color: #006EB9;
  text-decoration: none;
  font-size: 0.9rem;
  border: 1px solid #006EB9;
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
  transition: background-color 0.2s, color 0.2s;
}
.back-link:hover {
  background-color: #006EB9;
  color: #fff;
}

/* CTAバナー */
.article-cta {
  background-color: #acd5e1;
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  margin-top: 3rem;
}
.article-cta p {
  margin-bottom: 1rem;
  color: #006EB9;
  font-weight: 700;
}