@font-face {
    font-family: 'ArmedLemon';
    src: url('which.html') format('truetype');
  }
  
  body, html {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    background-color: #f8f5f0;
    color: #333;
  }
  
  .armed-title {
    font-family: 'ArmedLemon', sans-serif;
  }
  
  /* メニューバー */
  .menu-bar {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: #333;
    color: white;
    height: 60px;
    position: sticky;
    top: 0;
    z-index: 1000;
  }
  
  .menu-item {
    position: relative;
  }
  
  .menu-item > a,
  .menu-item > span {
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    display: inline-block;
    cursor: pointer;
  }
  
  .menu-item > a:hover,
  .menu-item > span:hover,
  .menu-item > a:focus,
  .menu-item > span:focus {
    background-color: #555;
  }
  
  .dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #444;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    min-width: 200px;
    z-index: 1001;
  }
  
  .dropdown-content a {
    color: white;
    padding: 10px 20px;
    display: block;
    text-decoration: none;
  }
  
  .dropdown-content a:hover,
  .dropdown-content a:focus {
    background-color: #555;
  }
  
  .dropdown:hover .dropdown-content {
    display: block;
  }
  
  /* メインコンテンツ中央配置 */
  .content {
    padding: 50px 20px;
    max-width: 800px;
    margin: 40px auto 0; /* ← ここで上にスペースを空ける */
    text-align: center;
    background-color: #ffffffcc;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  }
  
  /* セクション */
  .diff-section {
    margin-top: 2em;
    text-align: left;
  }
  
  .diff-section h2 {
    color: #b35600;
    border-bottom: 2px solid #d2691e;
    padding-bottom: 0.3em;
  }
  
  .diff-section p {
    font-size: 1.1em;
    margin: 1em 0;
  }
  
  .diff-section ul {
    padding-left: 1.2em;
  }
  
  .diff-section li {
    margin-bottom: 0.5em;
  }