<div class="footer">
    <p class="copyright">© 2024 tanutibe</p>
    <ul class="bd-flex">
      <li><a href="./company_overview.html">会社概要</a></li>
      <li><a href="./index.html">サイトマップ</a></li>
      <li><a href="./privacy_policy.html">プライバシーポリシー</a></li>
    </ul>
  </div>

  .footer {
    padding: 2rem;
    font-size: 15px;
    color: #999;
    background-color: #ffffff;
    border-top: 1px solid #e5e7eb;
  }

  @media (min-width: 768px) {
    .footer {
      display: flex;
      justify-content: space-between;
    }
  }

  .footer a {
    color: #999;
    text-decoration: none;
  }

  .footer a:hover {
    color: #000;
  }

  .footer ul {
    list-style: none;
    padding: 0;
  }

  .md-flex {
    display: flex;
  }

  .md-flex li + li {
    margin-left: 16px;
  }