body { font-family: Arial, sans-serif; line-height: 1.6; } h1, h2, h3 { color: #333; } a { text-decoration: none; color: #333; } .toc { background-color: #f9f9f9; padding: 10px; margin-bottom: 20px; } .toc a { display: block; margin: 5px 0; } .highlight { color: red; font-weight: bold; } 2024年版・敏感肌向…