/* ブログページ専用スタイル */
/* base.cssを先に読み込むこと */

body {
  background-color: #363433;
}

.blog-header {
  padding-top: var(--spacing-xl);
  margin-bottom: 40px;
}

.blog-header h1 {
  font-size: 32px;
  margin-bottom: 10px;
  color: var(--color-text);
}

.blog-header p {
  font-size: 16px;
  color: #4a4a48;
}

/* カテゴリ別セクションのラッパー */
.blog-sections {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.blog-category-section {
  margin-bottom: 0;
}

.blog-category-heading {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: var(--border-width) solid var(--color-border-light);
}

.blog-articles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 0;
}

.blog-load-error {
  color: var(--color-text);
  padding: var(--spacing-lg);
}

.article-card {
  background: var(--color-white);
  border: var(--border-width) solid var(--color-text);
  border-radius: 6px;
  padding: 0;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-normal) ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 280px;
}

.article-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.article-card-header {
  background: var(--color-primary);
  padding: 15px;
  border-bottom: var(--border-width) solid var(--color-text);
  flex-shrink: 0;
}

.article-card-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-body {
  background: white;
  padding: 15px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 12px;
  color: #6a6a68;
}

.article-date {
  font-weight: 500;
}

.article-category {
  background: var(--color-primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 500;
  color: var(--color-text);
}

.article-excerpt {
  font-size: 14px;
  color: #4a4a48;
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.article-tag {
  font-size: 11px;
  color: #6a6a68;
  background: #e9e9e9;
  padding: 2px 6px;
  border-radius: 4px;
}

.article-arrow {
  position: absolute;
  bottom: 15px;
  right: 15px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: transparent;
  border: 2px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.article-card:hover .article-arrow {
  transform: translateX(4px);
}

.article-arrow span {
  font-size: 18px;
  color: #999999;
  font-weight: bold;
}

/* 記事詳細ページ */
.article-detail {
  display: none;
}

.article-detail.active {
  display: block;
}

.article-detail-header {
  margin-bottom: 30px;
  padding-top: var(--spacing-md);
}

.article-detail-header h1 {
  font-size: 36px;
  margin-bottom: 15px;
  color: var(--color-text);
  line-height: 1.3;
}

.article-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 20px;
  font-size: 14px;
  color: #6a6a68;
}

.article-detail-content {
  background: var(--color-white);
  border: var(--border-width) solid var(--color-text);
  border-radius: 6px;
  padding: 30px;
  line-height: 1.8;
  color: var(--color-text);
}

.article-detail-content h2 {
  font-size: 26px;
  margin-top: 30px;
  margin-bottom: 15px;
  color: var(--color-text);
  border-bottom: var(--border-width) solid var(--color-primary);
  padding-bottom: 8px;
}

.article-detail-content h3 {
  font-size: 20px;
  margin-top: 25px;
  margin-bottom: 12px;
  color: var(--color-text);
}

.article-detail-content p {
  margin-bottom: 15px;
  font-size: 16px;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
}

.article-detail-content ul,
.article-detail-content ol {
  margin-bottom: 15px;
  padding-left: 30px;
}

.article-detail-content li {
  margin-bottom: 8px;
}

.article-detail-content code {
  background: #e9e9e9;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
}

.article-detail-content pre {
  background: #e9e9e9;
  padding: 15px;
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: 15px;
}

.article-detail-content pre code {
  background: none;
  padding: 0;
}

.article-detail-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: 20px;
  margin: 20px 0;
  color: #4a4a48;
  font-style: italic;
}

.article-detail-content img {
  max-width: min(100%, 800px);
  height: auto;
  display: block;
  margin: 20px 0;
  border-radius: 4px;
}

.article-detail-content video {
  max-width: 100%;
  height: auto;
  margin: 20px 0;
  border-radius: 4px;
  display: block;
}

.back-to-list {
  display: inline-block;
  margin-top: 30px;
  padding: 10px 20px;
  background: var(--color-primary);
  color: var(--color-text);
  text-decoration: none;
  border-radius: 4px;
  font-weight: 500;
  transition: all var(--transition-normal) ease;
  border: var(--border-width) solid var(--color-text);
}

.back-to-list:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.blog-list-view {
  display: block;
}

.blog-list-view.hidden {
  display: none;
}

@media (max-width: 768px) {
  .blog-main-content {
    padding: var(--spacing-lg) var(--spacing-md);
    padding-top: var(--spacing-md);
  }

  .blog-header h1 {
    font-size: 24px;
  }

  .blog-header p {
    font-size: 14px;
  }

  .blog-articles {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .article-card {
    min-height: 240px;
  }

  .article-card-header {
    padding: 12px;
  }

  .article-card-header h3 {
    font-size: 16px;
  }

  .article-card-body {
    padding: 12px;
    padding-bottom: 45px;
  }

  .article-meta {
    font-size: 11px;
    gap: 6px;
  }

  .article-excerpt {
    font-size: 13px;
  }

  .article-tag {
    font-size: 10px;
  }

  .article-arrow {
    bottom: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
  }

  .article-arrow span {
    font-size: 14px;
  }

  .back-to-list {
    padding: 8px 16px;
    font-size: 14px;
    margin-bottom: 15px;
  }

  .article-detail-header h1 {
    font-size: 22px;
    margin-bottom: 12px;
  }

  .article-detail-meta {
    font-size: 12px;
    gap: 10px;
  }

  .article-detail-content {
    padding: 15px;
  }

  .article-detail-content h2 {
    font-size: 22px;
    margin-top: 20px;
    margin-bottom: 12px;
  }

  .article-detail-content h3 {
    font-size: 18px;
    margin-top: 18px;
    margin-bottom: 10px;
  }

  .article-detail-content p {
    font-size: 14px;
    margin-bottom: 12px;
  }

  .article-detail-content ul,
  .article-detail-content ol {
    padding-left: 20px;
    margin-bottom: 12px;
  }

  .article-detail-content code {
    font-size: 12px;
  }

  .article-detail-content pre {
    padding: 12px;
    margin-bottom: 12px;
  }

  .article-detail-content blockquote {
    padding-left: 15px;
    margin: 15px 0;
  }
}

@media (max-width: 420px) {
  .blog-main-content {
    padding: 15px;
    padding-top: var(--spacing-sm);
  }

  .blog-header h1 {
    font-size: 20px;
  }

  .article-card-header h3 {
    font-size: 14px;
  }

  .article-excerpt {
    font-size: 12px;
  }

  .article-detail-header h1 {
    font-size: 18px;
  }

  .article-detail-content {
    padding: 12px;
  }

  .article-detail-content h2 {
    font-size: 20px;
  }

  .article-detail-content h3 {
    font-size: 16px;
  }

  .article-detail-content p {
    font-size: 13px;
  }
}