/* フォント・基本設定 */
body {
    font-family: 'Noto Sans JP', sans-serif;
    background: #f4f8fb;
    color: #0a1f3d;
    line-height: 1.8;
    margin: 0;
  }
  
  h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #0a1f3d;
    text-align: center;
  }
  
  /* セクション共通 */
  .section {
    padding: 4rem 2rem;
  }
  
  .section.bg-alt {
    background: #eaf3fa;
  }
  
  /* ヒーローセクション */
  .hero {
    height: 90vh;
    background: linear-gradient(rgba(10,31,61,0.4), rgba(10,31,61,0.4)), url('../img/C001.jpg') center center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    padding: 2rem;
  }
  
  .hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.4;
  }
  
  .hero-content p {
    margin-top: 1rem;
    font-size: 1.2rem;
    opacity: 0.95;
  }
  
  /* 3カラムグリッド */
  .grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
  }
  
  /* カードデザイン */
  .work-card, .member-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.3s ease;
  }
  
  .work-card:hover, .member-card:hover {
    transform: translateY(-4px);
  }
  
  .work-card img,
  .member-card img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 1rem;
    object-fit: cover;
  }
  
  /* メンバー画像（円形） */
  .member-card img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
  }
  
  /* 通信営業画像サイズ調整 */
  .full-img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    margin-top: 2rem;
  }
  
  /* ヘッダー */
  .site-header {
    background: white;
    border-bottom: 1px solid #ddd;
    padding: 1rem 2rem;
  }
  
  .site-header .container {
    display: flex;
    justify-content: space-between; /* ロゴ左／ナビ右 */
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  /* ロゴ */
  .logo img{
    width: 250px;
    height: 80px;
  }
  
  /* ナビゲーション */
  .nav {
    display: flex;
    justify-content: flex-end;
    gap: 2rem;
  }
  
  .nav a {
    color: #0a1f3d;
    text-decoration: none;
    font-weight: bold;
    font-size: 1rem;
  }
  
  .nav a:hover {
    color: #007acc;
  }
  
  /* フッター */
  .site-footer {
    background: #0a1f3d;
    color: white;
    text-align: center;
    padding: 1.5rem;
    font-size: 0.9rem;
  }

  .work-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1rem;
  }

  .contact-form {
    background: #ffffff;
    border-top: 1px solid #ddd;
  }
  
  .contact-form h2 {
    font-size: 2rem;
    color: #0a1f3d;
    margin-bottom: 0.5rem;
    text-align: center;
  }
  
  .contact-intro {
    text-align: center;
    margin-bottom: 2rem;
    color: #555;
  }
  
  .form-box {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  .form-box input,
  .form-box select,
  .form-box textarea {
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
    background: #f9f9f9;
  }
  
  .form-box button {
    padding: 0.8rem;
    font-size: 1rem;
    font-weight: bold;
    color: white;
    background: #007acc;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease;
  }
  
  .form-box button:hover {
    background: #005f9e;
  }