body {
      font-family: Arial, sans-serif;
      background: #f8f9fa;
      color: #212529;
      line-height: 1.7;
      margin: 0;
      padding: 0;
    }

    .container {
      max-width: 900px;
      margin: 40px auto;
      background: #fff;
      padding: 35px;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    }

    h1 {
      font-size: 30px;
      color: #1F2A44;
      margin-bottom: 25px;
      border-bottom: 3px solid #1F2A44;
      padding-bottom: 12px;
    }

    h2 {
      font-size: 22px;
      color: #1f3c88;
      margin-top: 30px;
      margin-bottom: 12px;
    }

    ul {
      padding-left: 22px;
    }

    li {
      margin-bottom: 8px;
    }

    .notice {
      background: #fff3cd;
      border: 1px solid #ffeeba;
      color: #856404;
      padding: 15px;
      border-radius: 8px;
      margin-bottom: 25px;
      font-weight: bold;
    }

    .btn-area {
      margin-top: 40px;
      text-align: center;
    }

    .btn {
      display: inline-block;
      padding: 10px 18px;
      background: #1F2A44;
      color: white;
      text-decoration: none;
      border-radius: 6px;
      font-size: 15px;
    }

    .btn:hover {
      background: #0d6efd;
    }