<header class="header">
  <a href="/" class="logo">
    노하우 Who?
  </a>
  <input type="checkbox" id="nav-toggle" class="nav-toggle" />
  <label for="nav-toggle" class="nav-toggle-label" aria-label="메뉴 열기">
    <span></span>
    <span></span>
    <span></span>
  </label>
  <nav class="nav">
    <ul>
      <li><a href="/learn">Learn</a></li>
      <li><a href="/invest">Invest</a></li>
      <li><a href="/info">Info</a></li>
      <li><a href="/travel">Travel</a></li>
    </ul>
  </nav>
</header>


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