/* ==========================================================================
   カテゴリーアーカイブページ
   ========================================================================== */
.archive-section {
  padding: 4rem 0;
  background-color: var(--OffWhite);
  min-height: 80vh;
}

.archive-header {
  text-align: center;
  margin-bottom: 4rem;
  max-width: 1400px;
  margin: 0 auto 4rem;
  padding: 0 2rem;
}

.archive-title {
  margin-bottom: 1rem;
  font-size: 3.5rem;
  color: var(--green);
}

.archive-description {
  color: #666;
  line-height: 1.8;
}

.archive-posts {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 4rem;
}

.post-card {
  background-color: white;
  border-radius: 1rem;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.post-thumbnail {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

.post-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.post-card:hover .post-thumbnail img {
  transform: scale(1.05);
}

.post-info {
  padding: 2rem;
}

.post-categories {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.post-category {
  background-color: var(--green);
  color: white;
  padding: 0.3rem 0.8rem;
  border-radius: 1rem;
  font-weight: bold;
}

.post-title {
  margin-bottom: 1rem;
  font-size: 1.8rem;
  line-height: 1.5;
}

.post-title a {
  color: #000;
  text-decoration: none;
  transition: color 0.3s;
}

.post-title a:hover {
  color: var(--green);
}

.post-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
  font-size: 0.9rem;
}

.post-year,
.post-mileage {
  display: inline-block;
  background-color: #f5f5f5;
  color: #666;
  padding: 0.4rem 0.8rem;
  border-radius: 0.4rem;
  font-weight: 500;
}

.post-date {
  display: block;
  color: #999;
  margin-bottom: 1rem;
}

.post-excerpt {
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: #333;
}

.post-more-link {
  display: inline-block;
  background-color: var(--green);
  color: white;
  padding: 0.6rem 1.5rem;
  border-radius: 2rem;
  font-size: 1rem;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s;
  border: 2px solid var(--green);
}

.post-more-link:hover {
  background-color: white;
  color: var(--green);
}

/* ページネーション */
.pagination {
  text-align: center;
  margin-top: 4rem;
}

.pagination .nav-links {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pagination .page-numbers {
  display: inline-block;
  padding: 0.8rem 1.2rem;
  background-color: white;
  color: var(--DarkGray);
  border: 2px solid var(--DarkGray);
  border-radius: 0.5rem;
  text-decoration: none;
  transition: all 0.3s;
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
  background-color: var(--green);
  color: white;
  border-color: var(--green);
}

/* 投稿が見つからない場合 */
.no-posts {
  text-align: center;
  padding: 4rem 2rem;
}

.no-posts p {
  color: #999;
}

/* ==========================================================================
   レスポンシブ対応 - タブレット (1024px以下)
   ========================================================================== */
@media (max-width: 1024px) {
  .posts-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

/* ==========================================================================
   レスポンシブ対応 - スマートフォン (768px以下)
   ========================================================================== */
@media (max-width: 768px) {
  .posts-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .post-thumbnail {
    height: 200px;
  }

  .post-info {
    padding: 1.5rem;
  }

  .post-specs {
    gap: 0.6rem;
    font-size: 0.85rem;
  }

  .post-year,
  .post-mileage {
    padding: 0.3rem 0.6rem;
  }
}

/* ==========================================================================
   レスポンシブ対応 - 小型スマートフォン (480px以下)
   ========================================================================== */
@media (max-width: 480px) {
  .archive-title {
    font-size: 2.5rem;
  }

  .post-thumbnail {
    height: 180px;
  }

  .post-info {
    padding: 1rem;
  }

  .post-title {
    font-size: 1.5rem;
  }

  .post-specs {
    gap: 0.5rem;
    font-size: 0.8rem;
  }

  .post-year,
  .post-mileage {
    padding: 0.25rem 0.5rem;
  }
}