/* 広告出稿ツール開発 共有資料 共通スタイル */
body {
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  line-height: 1.7;
  max-width: 980px;
  margin: 32px auto;
  padding: 0 24px;
  color: #222;
}

h1 { border-bottom: 3px solid #333; padding-bottom: 8px; }
h2 { border-bottom: 2px solid #555; padding-bottom: 6px; margin-top: 40px; }
h3 { margin-top: 28px; color: #333; }
h4 { margin-top: 20px; color: #444; }

table { border-collapse: collapse; width: 100%; margin: 12px 0; }
th, td { border: 1px solid #999; padding: 8px 12px; vertical-align: top; text-align: left; }
th { background: #eee; }

code { background: #f4f4f4; padding: 2px 6px; border-radius: 3px; font-family: Consolas, "SF Mono", monospace; font-size: 0.92em; }
pre { background: #f4f4f4; padding: 12px 16px; border-radius: 4px; overflow-x: auto; }
pre code { background: none; padding: 0; }

blockquote { border-left: 4px solid #888; margin: 12px 0; padding: 8px 16px; background: #f8f8f8; color: #555; }

ul, ol { padding-left: 28px; }
li { margin: 4px 0; }

.meta { color: #666; font-size: 0.9em; }

.toc { background: #f8f8f8; border: 1px solid #ddd; padding: 12px 24px; margin: 16px 0 32px; }
.toc ul { margin: 4px 0; }

hr { border: 0; border-top: 2px solid #ccc; margin: 32px 0; }

.callout { background: #fff8e1; border-left: 4px solid #f9a825; padding: 8px 16px; margin: 12px 0; }
.callout-blue { background: #e3f2fd; border-left: 4px solid #1976d2; padding: 8px 16px; margin: 12px 0; }
.highlight { background: #fff8e1; padding: 2px 6px; border-radius: 3px; font-weight: bold; }
.mini { background: #e8f5e9; border: 2px solid #2e7d32; padding: 16px 20px; margin: 16px 0; border-radius: 6px; }
.mini h4 { margin-top: 0; color: #2e7d32; }

.checklist { list-style: none; padding-left: 0; }
.checklist li::before { content: "☐ "; color: #888; }

a { color: #1976d2; text-decoration: none; }
a:hover { text-decoration: underline; }

/* トップナビゲーション */
.topnav {
  background: #fafafa;
  border-bottom: 1px solid #ddd;
  padding: 12px 24px;
  margin: -32px -24px 24px;
  font-size: 0.9em;
}
.topnav a { color: #555; margin-right: 16px; }
.topnav a:hover { color: #1976d2; }
.topnav .home { font-weight: bold; }

/* 資料一覧テーブルのリンク強調 */
.docs-table td:first-child a { font-weight: bold; }

/* 印刷用調整 */
@media print {
  body { max-width: 100%; }
  .topnav { display: none; }
}