/* article.css */

body {
    background-color: #fff;
    color: #333;
    font-family: 'Helvetica Neue', sans-serif;
    line-height: 1.8;
    padding: 20px;
  }
  
  .article-header {
    text-align: center;
    margin-bottom: 30px;
  }
  
  .article-header h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
  }
  
  .article-header p {
    font-size: 1rem;
    color: #666;
  }
  
  .article-main {
    max-width: 800px;
    margin: 0 auto;
  }
  
  .article-section {
    margin-bottom: 30px;
  }
  
  .article-section h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #0070f3;
  }
  
  .article-section p {
    font-size: 1rem;
  }
  
  .article-img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 15px;
  }
  
  footer {
    text-align: center;
    font-size: 0.8rem;
    color: #aaa;
    margin-top: 50px;
  }
  
  header h1 a {
    text-decoration: none;
    color: inherit;
  }
  
  header h1 a:hover {
    opacity: 0.7;
  }
  

  /* スマホ向け調整 */
  @media (max-width: 767px) {
    .article-main {
      padding: 0 10px;
    }
  }