/**
 * blog-article.css
 * ブログ記事専用スタイル
 * スコープ: .blog-single .post_body 配下のみ（他ページに影響なし）
 *
 * 解決する問題:
 * 1. テーブルがスマホで崩れる (responsive.css:611 display:list-item 問題)
 * 2. 記事幅が広すぎて読みにくい (max-width: 720px に制限)
 * 3. 見出しの視覚的区別が弱い (h2/h3 の差を明確化)
 * 4. リストの余白不足
 * 5. 画像表示対応 (figure/figcaption)
 */

/* ===== 記事本文の読みやすさ ===== */
.blog-single .post_body {
  max-width: 720px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.9;
  color: #333;
  word-break: break-word;
}

.blog-single .post_body p {
  margin: 0 0 20px;
}

/* ===== 見出し階層の明確化 ===== */
.blog-single .post_body h2 {
  font-size: 24px;
  font-weight: bold;
  margin: 48px 0 24px;
  padding: 12px 0 12px 16px;
  border-left: 4px solid #4A90E2;
  line-height: 1.4;
  color: #222;
}

.blog-single .post_body h3 {
  font-size: 20px;
  font-weight: bold;
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #eee;
  line-height: 1.4;
  color: #333;
}

.blog-single .post_body h4 {
  font-size: 17px;
  font-weight: bold;
  margin: 28px 0 12px;
  color: #444;
}

/* ===== 画像 — figure/figcaption ===== */
.blog-single .post_body figure {
  margin: 32px 0;
  padding: 0;
  text-align: center;
}

.blog-single .post_body figure img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

.blog-single .post_body figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: #888;
  font-style: normal;
}

/* ===== スクリーンショット画像（スマホキャプチャ等） ===== */
.blog-post-body figure.screenshot {
  max-width: 280px;
  margin-left: 0;
  margin-right: auto;
  background: #f8f9fa;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  overflow: hidden;
}

.blog-post-body figure.screenshot img {
  width: 100%;
  height: auto;
  border-radius: 0;
  box-shadow: none;
}

.blog-post-body figure.screenshot figcaption {
  text-align: center;
  font-size: 12px;
  padding: 6px 8px;
  background: #f8f9fa;
  border-top: 1px solid #eee;
}

/* スクリーンショット小サイズ（アイコン等） */
.blog-post-body figure.screenshot-sm {
  max-width: 160px;
  margin-left: 0;
  margin-right: auto;
  background: #f8f9fa;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  overflow: hidden;
}

.blog-post-body figure.screenshot-sm img {
  width: 100%;
  height: auto;
  border-radius: 0;
  box-shadow: none;
}

.blog-post-body figure.screenshot-sm figcaption {
  text-align: center;
  font-size: 12px;
  padding: 6px 8px;
  background: #f8f9fa;
  border-top: 1px solid #eee;
}

/* スクリーンショット横長（通知バー等） */
.blog-post-body figure.screenshot-wide {
  max-width: 400px;
  margin-left: 0;
  margin-right: auto;
  background: #f8f9fa;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  overflow: hidden;
}

.blog-post-body figure.screenshot-wide img {
  width: 100%;
  height: auto;
  border-radius: 0;
  box-shadow: none;
}

.blog-post-body figure.screenshot-wide figcaption {
  text-align: center;
  font-size: 12px;
  padding: 6px 8px;
  background: #f8f9fa;
  border-top: 1px solid #eee;
}

/* ===== テーブル ===== */
.blog-single .post_body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}

.blog-single .post_body thead th {
  background: #4A90E2;
  color: #fff;
  padding: 10px 12px;
  text-align: left;
  font-weight: bold;
  white-space: nowrap;
}

.blog-single .post_body tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid #eee;
  vertical-align: top;
}

.blog-single .post_body tbody tr:nth-child(even) {
  background: #f8f9fa;
}

/* ===== リスト ===== */
.blog-single .post_body ul,
.blog-single .post_body ol {
  margin: 16px 0 24px 24px;
  padding: 0;
}

.blog-single .post_body li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.blog-single .post_body ul li {
  list-style-type: disc;
}

.blog-single .post_body ol li {
  list-style-type: decimal;
}

/* ===== リンク ===== */
.blog-single .post_body a {
  color: #4A90E2;
  text-decoration: underline;
}

.blog-single .post_body a:hover {
  color: #357ABD;
}

/* ===== 強調テキスト ===== */
.blog-single .post_body strong {
  color: #222;
}

/* ===== 引用 ===== */
.blog-single .post_body blockquote {
  margin: 24px 0;
  padding: 16px 20px;
  border-left: 4px solid #4A90E2;
  background: #f8f9fa;
  color: #555;
  font-style: italic;
}

/* ===== 著者プロフィール ===== */
.blog-author-profile {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  max-width: 720px;
  margin: 48px auto 32px;
  padding: 24px;
  background: #f8f9fa;
  border-radius: 12px;
  border: 1px solid #e8e8e8;
}

.blog-author-avatar {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4A90E2, #7B68EE);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 32px;
}

.blog-author-info {
  flex: 1;
  min-width: 0;
}

.blog-author-name {
  font-size: 18px;
  font-weight: bold;
  color: #222;
  margin-bottom: 8px;
}

.blog-author-bio {
  font-size: 14px;
  line-height: 1.7;
  color: #555;
  margin: 0;
}

/* ===== スマホ対応 ===== */
@media screen and (max-width: 640px) {
  .blog-single .post_body {
    font-size: 15px;
    padding: 0 8px;
    line-height: 1.8;
  }

  .blog-single .post_body h2 {
    font-size: 20px;
    margin: 32px 0 16px;
    padding: 10px 0 10px 12px;
  }

  .blog-single .post_body h3 {
    font-size: 17px;
    margin: 24px 0 12px;
  }

  /* テーブルの横スクロール対応（responsive.cssのdisplay:list-item問題を解消） */
  .blog-single .post_body table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .blog-single .post_body thead,
  .blog-single .post_body tbody,
  .blog-single .post_body tr,
  .blog-single .post_body th,
  .blog-single .post_body td {
    display: revert;
  }

  .blog-single .post_body thead th {
    font-size: 13px;
    padding: 8px 10px;
  }

  .blog-single .post_body tbody td {
    font-size: 13px;
    padding: 8px 10px;
  }

  .blog-single .post_body figure {
    margin: 24px 0;
  }

  .blog-author-profile {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 16px;
    margin: 32px 8px 24px;
  }

  .blog-author-avatar {
    width: 56px;
    height: 56px;
    font-size: 24px;
  }

  .blog-author-name {
    font-size: 16px;
  }

  .blog-author-bio {
    font-size: 13px;
  }

  .blog-single .post_body figure img {
    border-radius: 4px;
  }

  .blog-single .post_body figcaption {
    font-size: 12px;
  }
}