/* =========================================================
   BLOG アーカイブページ専用スタイル / root対応
   （共通構造は archive.css に統合済）
========================================================= */

/* ===== セクション全体 ===== */
.blog-archive-section {
  padding: 0px 20px 70px;
}

/* ===== タイトル ===== */
.blog-archive-section .page-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  color: var(--color-text);
  margin-bottom: 2.5rem;
}

/* =========================================================
   PICKUP SECTION（おすすめ記事）
========================================================= */

/* ===== ピックアップ全体 ===== */
.pickup-section {
  margin-bottom: 4rem;
}

.pickup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* ===== ピックアップカード ===== */
.pickup-card {
  position: relative;
  background: var(--color-white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pickup-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

.pickup-card a {
  display: block;
  text-decoration: none;
  color: inherit;
}

/* ===== バッジ ===== */
.pickup-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: bold;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  z-index: 2;
}

/* ===== サムネイル ===== */
.pickup-thumb img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

/* ===== タイトル ===== */
.pickup-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-text);
  padding: 1rem 1.25rem 1.5rem;
  transition: color 0.3s ease;
}

.pickup-card:hover .pickup-title {
  color: var(--color-primary);
}

/* =========================================================
   BLOG LIST（通常記事一覧）
========================================================= */

.blog-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.blog-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: var(--color-text);
}

/* ===== サムネイル ===== */
.blog-thumbnail {
  width: 100%;
  height: auto;
  overflow: hidden;
}

.blog-thumbnail img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.blog-item:hover .blog-thumbnail img {
  transform: scale(1.05);
}

/* ===== メタ・タイトル ===== */
.blog-meta {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.blog-meta time {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.blog-title {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-text);
  transition: color 0.3s ease;
}

.blog-item:hover .blog-title {
  color: var(--color-primary);
}

/* ===== カテゴリ／日付 ===== */
.blog-categories {
  margin-top: 0.3rem;
}

.blog-category {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  text-decoration: none;
  margin-right: 0.4rem;
}

.blog-category:hover {
  background-color: var(--color-primary-hover);
}

/* =========================================================
   PAGINATION
========================================================= */
.pagination,
.nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 3rem;
  gap: 0.5rem;
}

.pagination a,
.pagination span,
.nav-links a,
.nav-links span {
  display: inline-block;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
  font-size: 0.9rem;
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.pagination a:hover,
.nav-links a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.pagination .current,
.nav-links .current {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* =========================================================
   MESSAGE
========================================================= */
.blog-archive-section p {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-top: 2rem;
}

/* =========================================================
   MEDIA QUERIES
========================================================= */
@media (max-width: 1024px) {
  .pickup-grid,
  .blog-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .pickup-thumb img {
    height: 180px;
  }
}

@media (max-width: 767px) {
  .pickup-grid,
  .blog-list {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .pickup-thumb img,
  .blog-thumbnail img {
    height: 200px;
  }

  .pickup-title,
  .blog-title {
    font-size: 1.05rem;
  }

  .blog-meta {
    padding: 1.25rem;
  }
}

/* ===== サムネイル（16:9アスペクト比固定） ===== */
.pickup-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9; /* ← 比率を正確に指定 */
  overflow: hidden;
}

.pickup-thumb img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover; /* ← 中央トリミング */
  display: block;
  transition: transform 0.3s ease;
}

.pickup-card:hover .pickup-thumb img {
  transform: scale(1.05);
}