:root {
      --primary: #2563eb;
      --primary-light: #dbeafe;
      --gray-light: #f8fafc;
      --gray: #e2e8f0;
      --gray-dark: #64748b;
      --text: #1e293b;
      --white: #ffffff;
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    body {
      font-family: "Hiragino Kaku Gothic Pro", "ヒラギノ角ゴ Pro W3", Meiryo, "メイリオ", sans-serif;
      line-height: 1.7;
      color: var(--text);
      background-color: var(--gray-light);
    }
    
    .container {
      max-width: 900px;
      margin: 0 auto;
      padding: 40px 20px;
    }
    
    .header {
      background-color: var(--white);
      border-radius: 8px;
      padding: 40px;
      text-align: center;
      margin-bottom: 30px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      border-top: 4px solid var(--primary);
    }
    
    .title {
      font-size: 28px;
      font-weight: bold;
      color: var(--primary);
      margin-bottom: 10px;
    }
    
    .subtitle {
      font-size: 16px;
      color: var(--gray-dark);
      margin-bottom: 20px;
      text-align: right;
    }
    
    .effective-date {
      font-size: 14px;
      color: var(--gray-dark);
      padding: 8px 16px;
      background-color: var(--primary-light);
      border-radius: 20px;
      display: inline-block;
    }
    
    .breadcrumb {
      margin-bottom: 20px;
      font-size: 14px;
      color: var(--gray-dark);
    }
    
    .breadcrumb a {
      color: var(--primary);
      text-decoration: none;
    }
    
    .breadcrumb a:hover {
      text-decoration: underline;
    }
    
    .content {
      background-color: var(--white);
      border-radius: 8px;
      padding: 40px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }
    
    .article {
      margin-bottom: 35px;
      padding-bottom: 25px;
      border-bottom: 1px solid var(--gray);
    }
    
    .article:last-child {
      border-bottom: none;
      margin-bottom: 0;
    }
    
    .article-title {
      font-size: 20px;
      font-weight: bold;
      color: var(--primary);
      margin-bottom: 15px;
      padding-bottom: 8px;
      border-bottom: 2px solid var(--primary-light);
    }
    
    .article-content {
      margin-left: 15px;
    }
    
    .article-content p {
      margin-bottom: 12px;
      text-align: justify;
    }
    
    .article-content ol {
      margin: 15px 0 15px 25px;
    }
    
    .article-content li {
      margin-bottom: 10px;
      text-align: justify;
      padding-left: 5px;
    }
    
    .important-notice {
      background-color: #fef3c7;
      border-left: 4px solid #f59e0b;
      padding: 20px;
      margin-bottom: 30px;
      border-radius: 0 6px 6px 0;
    }
    
    .important-notice-title {
      font-weight: bold;
      color: #92400e;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    
    .footer {
      margin-top: 40px;
      text-align: center;
    }
    
    .footer-content {
      background-color: var(--white);
      border-radius: 8px;
      padding: 30px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }
    
    .company-name {
      font-weight: bold;
      color: var(--text);
      margin-bottom: 20px;
    }
    
    .footer-links {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-bottom: 20px;
    }
    
    .footer-links a {
      color: var(--primary);
      text-decoration: none;
      padding: 8px 16px;
      border: 1px solid var(--gray);
      border-radius: 4px;
      transition: all 0.2s ease;
    }
    
    .footer-links a:hover {
      background-color: var(--primary);
      color: var(--white);
    }
    
    .copyright {
      font-size: 14px;
      color: var(--gray-dark);
    }
    
    .back-to-top {
      position: fixed;
      bottom: 30px;
      right: 30px;
      background-color: var(--primary);
      color: var(--white);
      padding: 12px;
      border-radius: 50%;
      text-decoration: none;
      font-size: 16px;
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
      transition: all 0.3s ease;
      opacity: 0;
      visibility: hidden;
      width: 50px;
      height: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    
    .back-to-top.visible {
      opacity: 1;
      visibility: visible;
    }
    
    .back-to-top:hover {
      transform: translateY(-2px);
    }
    
    @media print {
      body {
        background-color: white;
      }
      
      .container {
        padding: 20px;
      }
      
      .header, .content, .footer-content {
        box-shadow: none;
        border: 1px solid #ccc;
      }
      
      .back-to-top, .footer-links {
        display: none;
      }
    }
    
    @media (max-width: 768px) {
      .container {
        padding: 20px 15px;
      }
      
      .header, .content {
        padding: 25px 20px;
      }
      
      .title {
        font-size: 24px;
      }
      
      .article-title {
        font-size: 18px;
      }
      
      .article-content {
        margin-left: 10px;
      }
      
      .footer-links {
        flex-direction: column;
        gap: 10px;
      }
      
      .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
      }
    }