body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
  }
  
  .header {
    background-color: rgb(16, 116, 158);
    color: white;
    padding: 30px 20px;
    text-align: center;
  }
  
  .header h1 {
    font-size: 1.5rem;
  }

  .content {
    max-width: 800px;
    margin: 40px auto;
    padding: 50px 50px;
    background-color: white;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
    border-radius: 3px;
  }
  
  .content h2 {
    color: rgb(16, 116, 158);
    margin-top: 30px;
  }
  
  .content a {
    color: rgb(16, 116, 158);
    text-decoration: underline;
  }
  
  .footer {
    text-align: center;
    padding: 20px;
    background-color: #eee;
    font-size: 0.9em;
  }

  .copyright {
    font-family: "Noto Sans JP", Sans;
    font-weight: normal;
    letter-spacing: 2px;
    font-size: 7pt;
    padding: 0px 0;
  }