:root {
      --primary-color: #5a9c40;
      --secondary-color: #f8b400;
      --dark-color: #333333;
      --light-color: #f9f9f9;
      --accent-color: #feba0a;
    }
    
    body {
      font-family: "Hiragino Kaku Gothic ProN", "メイリオ", sans-serif;
      color: #333;
      line-height: 1.8;
    }
    
    .navbar {
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-brand {
      font-weight: bold;
      color: var(--primary-color);
    }
    
    .hero-section {
      background: linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9)), url('https://picsum.photos/seed/picsum/1200/800');
      background-size: cover;
      background-position: center;
      padding: 5rem 0;
      margin-bottom: 2rem;
    }
    
    .section-title {
      position: relative;
      margin-bottom: 2rem;
      color: var(--primary-color);
      font-weight: bold;
    }
    
    .section-title::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -10px;
      width: 50px;
      height: 3px;
      background-color: var(--secondary-color);
    }
    
    .accent-text {
      color: var(--accent-color);
      font-weight: bold;
    }
    
    .card {
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
      height: 100%;
      transition: transform 0.3s ease;
    }
    
    .card:hover {
      transform: translateY(-5px);
    }
    
    .card-header {
      background-color: var(--primary-color);
      color: white;
      font-weight: bold;
    }
    
    .info-box {
      background-color: #f9f9f9;
      border-left: 4px solid var(--primary-color);
      padding: 15px;
      margin-bottom: 20px;
    }
    
    .step-box {
      position: relative;
      padding: 20px;
      margin-bottom: 30px;
      border-radius: 10px;
      background-color: white;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    }
    
    .step-number {
      position: absolute;
      top: -15px;
      left: 20px;
      background-color: var(--secondary-color);
      color: white;
      width: 30px;
      height: 30px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
    }
    
    .requirements-table th {
      background-color: #E2EED2;
    }
    
    .price-table th {
      background-color: #CADAAA;
    }
    
    .footer {
      background-color: var(--dark-color);
      color: white;
      padding: 3rem 0;
    }
    
    .btn-primary {
      background-color: var(--primary-color);
      border-color: var(--primary-color);
    }
    
    .btn-primary:hover {
      background-color: #4a8c30;
      border-color: #4a8c30;
    }
    
    .btn-outline-primary {
      color: var(--primary-color);
      border-color: var(--primary-color);
    }
    
    .btn-outline-primary:hover {
      background-color: var(--primary-color);
      color: white;
    }
    
    .contact-info {
      background-color: #f9f9f9;
      border-radius: 10px;
      padding: 20px;
      margin-bottom: 20px;
    }
    
    .contact-info i {
      color: var(--primary-color);
      font-size: 1.5rem;
      margin-right: 10px;
    }
    
    .back-to-top {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--primary-color);
      color: white;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      opacity: 0;
      transition: opacity 0.3s;
      z-index: 1000;
    }
    
    .back-to-top.active {
      opacity: 1;
    }
    
    .back-to-top:hover {
      background-color: #4a8c30;
      color: white;
    }
    
    /* アコーディオン用スタイル */
    .accordion-button:not(.collapsed) {
      background-color: #e7f1e4;
      color: var(--primary-color);
    }
    
    .accordion-button:focus {
      box-shadow: 0 0 0 0.25rem rgba(90, 156, 64, 0.25);
    }
    
    /* アニメーション */
    .fade-in {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }
    
    @media (max-width: 768px) {
      .hero-section {
        padding: 3rem 0;
      }
      
      .section-title {
        font-size: 1.5rem;
      }
    }