/* doomsday_preparation.php 専用CSS */

/* 終末準備ページ固有のスタイル */
.doomsday-preparation-page .intro-section {
  padding: 80px 0;
  background: white;
}

.doomsday-preparation-page .intro-section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--secondary-color);
}

.doomsday-preparation-page .intro-text {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 15px;
  text-align: center;
}

.doomsday-preparation-page .intro-text p {
  font-size: 1.2rem;
  color: #666;
  line-height: 1.7;
  margin-bottom: 40px;
}

.doomsday-preparation-page .stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.doomsday-preparation-page .stat-item {
  text-align: center;
  padding: 25px;
  background: #f8f9fa;
  border-radius: 15px;
  border-left: 4px solid var(--primary-color);
  transition: all 0.3s ease;
}

.doomsday-preparation-page .stat-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.doomsday-preparation-page .stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.doomsday-preparation-page .stat-label {
  display: block;
  font-size: 0.9rem;
  color: var(--secondary-color);
  font-weight: 600;
}

/* 災害カテゴリーセクション */
.doomsday-preparation-page .disaster-categories {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.doomsday-preparation-page .disaster-categories h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--secondary-color);
}

.doomsday-preparation-page .section-description {
  text-align: center;
  font-size: 1.2rem;
  color: #666;
  margin-bottom: 60px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.doomsday-preparation-page .category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 15px;
}

.doomsday-preparation-page .category-card-link {
  text-decoration: none;
  color: inherit;
}

.doomsday-preparation-page .category-card {
  background: white;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 5px 15px var(--shadow-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.doomsday-preparation-page .category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  transition: all 0.3s ease;
}

.doomsday-preparation-page .food-storage-card::before {
  background: linear-gradient(90deg, #27ae60, #229954);
}

.doomsday-preparation-page .shelter-card::before {
  background: linear-gradient(90deg, #3498db, #2980b9);
}

.doomsday-preparation-page .self-sufficiency-card::before {
  background: linear-gradient(90deg, #f39c12, #e67e22);
}

.doomsday-preparation-page .defense-card::before {
  background: linear-gradient(90deg, #e74c3c, #c0392b);
}

.doomsday-preparation-page .category-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
  text-decoration: none;
  color: inherit;
}

.doomsday-preparation-page .category-card:hover::before {
  height: 8px;
}

.doomsday-preparation-page .category-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 2rem;
  color: white;
}

.doomsday-preparation-page .food-storage-card .category-icon {
  background: linear-gradient(135deg, #27ae60, #229954);
}

.doomsday-preparation-page .shelter-card .category-icon {
  background: linear-gradient(135deg, #3498db, #2980b9);
}

.doomsday-preparation-page .self-sufficiency-card .category-icon {
  background: linear-gradient(135deg, #f39c12, #e67e22);
}

.doomsday-preparation-page .defense-card .category-icon {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.doomsday-preparation-page .category-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.doomsday-preparation-page .category-content h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.doomsday-preparation-page .category-description {
  color: #666;
  line-height: 1.6;
  margin-bottom: 25px;
  flex: 1;
}

.doomsday-preparation-page .category-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 25px;
}

.doomsday-preparation-page .stat {
  text-align: center;
  padding: 15px;
  background: #f8f9fa;
  border-radius: 10px;
}

.doomsday-preparation-page .stat .number {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 5px;
}

.doomsday-preparation-page .stat .label {
  display: block;
  font-size: 0.9rem;
  color: #666;
}

.doomsday-preparation-page .category-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 25px;
}

.doomsday-preparation-page .feature {
  background: rgba(52, 152, 219, 0.1);
  color: #3498db;
  padding: 5px 12px;
  border-radius: 15px;
  font-size: 0.85rem;
  font-weight: 500;
}

.doomsday-preparation-page .category-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--primary-color);
  font-weight: 600;
  margin-top: auto;
  padding-top: 15px;
}

.doomsday-preparation-page .category-link i {
  transition: transform 0.3s ease;
}

.doomsday-preparation-page .category-card:hover .category-link i {
  transform: translateX(5px);
}

/* タイムラインセクション */
.doomsday-preparation-page .disaster-timeline {
  padding: 80px 0;
  background: white;
}

.doomsday-preparation-page .disaster-timeline h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
  color: var(--secondary-color);
}

.doomsday-preparation-page .timeline-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 15px;
  position: relative;
}

.doomsday-preparation-page .timeline-container::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
  transform: translateX(-50%);
}

.doomsday-preparation-page .timeline-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 40px;
  position: relative;
}

.doomsday-preparation-page .timeline-item:nth-child(odd) {
  flex-direction: row;
}

.doomsday-preparation-page .timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.doomsday-preparation-page .timeline-time {
  width: 180px;
  padding: 15px 20px;
  background: var(--primary-color);
  color: white;
  border-radius: 25px;
  text-align: center;
  font-weight: 600;
  position: relative;
  z-index: 2;
  font-size: 0.9rem;
}

.doomsday-preparation-page .timeline-item:nth-child(odd) .timeline-time {
  margin-right: 30px;
}

.doomsday-preparation-page .timeline-item:nth-child(even) .timeline-time {
  margin-left: 30px;
}

.doomsday-preparation-page .timeline-content {
  flex: 1;
  background: white;
  padding: 15px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  border-left: 4px solid var(--accent-color);
}

.doomsday-preparation-page .timeline-content h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.doomsday-preparation-page .timeline-content p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 15px;
}

.doomsday-preparation-page .impact-info {
  background: #f8f9fa;
  padding: 10px 15px;
  border-radius: 10px;
  font-size: 0.9rem;
  color: var(--primary-color);
  font-weight: 600;
}

.doomsday-preparation-page .phase-priorities {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}

.doomsday-preparation-page .priority-tag {
  background: var(--accent-color);
  color: white;
  padding: 5px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* 商品グリッドセクション */
.doomsday-preparation-page .product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 40px auto 0;
  padding: 0 15px;
}

.doomsday-preparation-page .product-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.doomsday-preparation-page .product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .doomsday-preparation-page .intro-section,
  .doomsday-preparation-page .disaster-categories,
  .doomsday-preparation-page .disaster-timeline {
    padding: 60px 0;
  }

  .doomsday-preparation-page .stats-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .doomsday-preparation-page .category-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .doomsday-preparation-page .timeline-container::before {
    display: none;
  }

  .doomsday-preparation-page .timeline-item {
    padding-left: 0;
  }

  .doomsday-preparation-page .timeline-item:nth-child(even) {
    padding-left: 0;
  }

  .doomsday-preparation-page .timeline-time {
    position: relative;
    left: 0;
    transform: none;
    background: var(--primary-color);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 15px;
  }

  .doomsday-preparation-page .product-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* hazard-mapセクションのレスポンシブ対応 */
  .doomsday-preparation-page .hazard-map {
    padding: 60px 0;
    margin: 40px 0;
  }

  .doomsday-preparation-page .hazard-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .doomsday-preparation-page .hazard-text h2 {
    font-size: 2rem;
  }

  .doomsday-preparation-page .hazard-text p {
    font-size: 1rem;
  }

  .doomsday-preparation-page .hazard-image {
    height: 300px;
    order: -1;
  }

  .doomsday-preparation-page .feature-item {
    padding: 12px 15px;
  }

  .doomsday-preparation-page .feature-item i {
    font-size: 1.3rem;
  }

  .doomsday-preparation-page .feature-item span {
    font-size: 0.9rem;
  }

  .doomsday-preparation-page .knowledge-btn {
    padding: 12px 20px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .doomsday-preparation-page .intro-section h2,
  .doomsday-preparation-page .disaster-categories h2,
  .doomsday-preparation-page .disaster-timeline h2 {
    font-size: 2rem;
  }

  .doomsday-preparation-page .category-card {
    padding: 20px;
  }

  .doomsday-preparation-page .category-stats {
    grid-template-columns: 1fr;
  }

  .doomsday-preparation-page .timeline-content {
    padding: 15px;
  }

  /* 小画面でのhazard-mapセクション調整 */
  .doomsday-preparation-page .hazard-map {
    padding: 40px 0;
    margin: 30px 0;
  }

  .doomsday-preparation-page .hazard-content {
    gap: 30px;
    padding: 0 10px;
  }

  .doomsday-preparation-page .hazard-text h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
  }

  .doomsday-preparation-page .hazard-text p {
    font-size: 0.95rem;
    margin-bottom: 25px;
  }

  .doomsday-preparation-page .hazard-features {
    gap: 12px;
    margin-bottom: 30px;
  }

  .doomsday-preparation-page .feature-item {
    padding: 10px 15px;
    gap: 12px;
  }

  .doomsday-preparation-page .feature-item i {
    font-size: 1.2rem;
  }

  .doomsday-preparation-page .feature-item span {
    font-size: 0.85rem;
  }

  .doomsday-preparation-page .knowledge-btn {
    padding: 10px 20px;
    font-size: 0.9rem;
    border-radius: 8px;
  }

  .doomsday-preparation-page .hazard-image {
    height: 250px;
    border-radius: 12px;
  }
}

/* 知識保存セクション（hazard-map） */
.doomsday-preparation-page .hazard-map {
  padding: 80px 0;
  background: #f8f9fa;
  margin: 60px 0;
  position: relative;
}

.doomsday-preparation-page .hazard-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.doomsday-preparation-page .hazard-text h2 {
  font-size: 2.5rem;
  margin-bottom: 25px;
  color: var(--secondary-color);
  font-weight: 700;
}

.doomsday-preparation-page .hazard-text p {
  font-size: 1.1rem;
  color: #666;
  line-height: 1.7;
  margin-bottom: 35px;
}

.doomsday-preparation-page .hazard-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
  margin-bottom: 40px;
}

.doomsday-preparation-page .feature-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px 20px;
  background: white;
  border-radius: 10px;
  border-left: 4px solid var(--primary-color);
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.doomsday-preparation-page .feature-item:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.doomsday-preparation-page .feature-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  flex-shrink: 0;
}

.doomsday-preparation-page .feature-item span {
  font-weight: 500;
  color: var(--secondary-color);
  font-size: 1rem;
}

.doomsday-preparation-page .knowledge-btn {
  background: #e9ecef;
  color: #6c757d;
  border: 2px solid #dee2e6;
  padding: 15px 30px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 10px;
  cursor: not-allowed;
  opacity: 0.7;
  transition: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.doomsday-preparation-page .knowledge-btn i {
  font-size: 1rem;
  color: #6c757d;
}

.doomsday-preparation-page .hazard-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.doomsday-preparation-page .hazard-image:hover {
  transform: scale(1.05);
}

/* 3階層システム詳細セクション - シンプル版 */
.survival-systems-detail {
  padding: 80px 0;
  background: #f8f9fa;
  color: #333;
}

.survival-systems-detail h2 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 30px;
  color: var(--secondary-color);
}

.survival-systems-detail .section-description {
  text-align: center;
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 60px auto;
  color: #666;
  line-height: 1.7;
}

.systems-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.system-detail-card {
  background: white;
  border-radius: 15px;
  padding: 40px;
  box-shadow: 0 5px 15px var(--shadow-color);
  transition: all 0.3s ease;
  border-left: 4px solid var(--primary-color);
}

.system-detail-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.system-header {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.system-icon {
  width: 60px;
  height: 60px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 20px;
  font-size: 24px;
  background: var(--primary-color);
  color: white;
  flex-shrink: 0;
}

.system-header h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0 0 8px 0;
  color: var(--secondary-color);
}

.system-subtitle {
  font-size: 1rem;
  color: #666;
  margin: 0;
  line-height: 1.5;
}

.necessity-section,
.technical-specs,
.integration-points {
  margin-bottom: 30px;
}

.necessity-section h4,
.technical-specs h4,
.integration-points h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--secondary-color);
  display: flex;
  align-items: center;
}

.necessity-section h4 i,
.technical-specs h4 i,
.integration-points h4 i {
  margin-right: 10px;
  color: var(--primary-color);
}

.necessity-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.necessity-list li {
  background: #f8f9fa;
  margin-bottom: 10px;
  padding: 15px;
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
  transition: background 0.3s ease;
}

.necessity-list li:hover {
  background: #e9ecef;
}

.necessity-list strong {
  color: var(--primary-color);
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
}

.spec-item {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.spec-item:hover {
  background: #e9ecef;
  transform: translateY(-2px);
}

.spec-item strong {
  display: flex;
  align-items: center;
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 8px;
}

.spec-item strong i {
  margin-right: 8px;
}

.spec-item p {
  color: #666;
  margin: 0;
  line-height: 1.5;
  font-size: 0.95rem;
}

.integration-points {
  background: #f8f9fa;
  padding: 25px;
  padding-left: 80px;
  border-radius: 10px;
  border: 1px solid #dee2e6;
}

.integration-points p {
  color: #666;
  line-height: 1.6;
  margin: 0 0 10px 0;
}

.integration-points p:last-child {
  margin-bottom: 0;
}

/* ファラデーケージガイドセクション - シンプル版 */
.faraday-cage-guide {
  padding: 80px 0;
  background: white;
  color: #333;
}

.faraday-cage-guide h2 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 30px;
  color: var(--secondary-color);
}

.faraday-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.faraday-theory,
.faraday-construction {
  margin-bottom: 60px;
}

.faraday-theory h3,
.faraday-construction h3 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 30px;
  color: var(--secondary-color);
  text-align: center;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--primary-color);
}

.theory-explanation {
  background: #f8f9fa;
  padding: 30px;
  border-radius: 10px;
  border-left: 4px solid var(--primary-color);
  margin-bottom: 30px;
}

.method-card {
  background: white;
  border-radius: 15px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

/* 難易度別のスタイル */
.method-card.beginner {
  border-color: #28a745;
  background: linear-gradient(135deg, #ffffff 0%, #f8fff9 100%);
}

.method-card.beginner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #28a745, #20c997);
}

.method-card.intermediate {
  border-color: #ffc107;
  background: linear-gradient(135deg, #ffffff 0%, #fffef7 100%);
}

.method-card.intermediate::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #ffc107, #fd7e14);
}

.method-card.advanced {
  border-color: #dc3545;
  background: linear-gradient(135deg, #ffffff 0%, #fff7f7 100%);
}

.method-card.advanced::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #dc3545, #e83e8c);
}

.method-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 35px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.method-card h4 {
  margin-bottom: 25px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--secondary-color);
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
  position: relative;
}

/* 難易度バッジの追加 */
.method-card.beginner h4::after {
  content: '初級';
  background: #28a745;
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  margin-left: auto;
}

.method-card.intermediate h4::after {
  content: '中級';
  background: #ffc107;
  color: #212529;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  margin-left: auto;
}

.method-card.advanced h4::after {
  content: '上級';
  background: #dc3545;
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  margin-left: auto;
}

/* method-contentをflexコンテナに */
.method-content {
  display: flex;
  gap: 30px;
  align-items: flex-start;
}

/* PC表示：テキスト左、画像右 */
.method-text {
  flex: 1;
  min-width: 0; /* flexアイテムの縮小を許可 */
}

.method-image {
  flex: 0 0 320px; /* 固定幅を少し大きく */
  order: 2; /* 画像を右側に */
}

.faraday-method-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
  border: 3px solid #f8f9fa;
}

.faraday-method-img:hover {
  transform: scale(1.03) rotate(1deg);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

/* テキストセクション内の要素スタイル */
.materials, .steps, .effectiveness {
  margin-bottom: 25px;
}

.materials h5, .steps h5 {
  color: var(--primary-color);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.materials h5::before {
  content: '🔧';
  font-size: 1.2rem;
}

.steps h5::before {
  content: '📋';
  font-size: 1.2rem;
}

.materials ul, .steps ol {
  padding-left: 20px;
  margin: 0;
  background: #f8f9fa;
  border-radius: 10px;
  padding: 20px 20px 20px 40px;
  border-left: 3px solid var(--primary-color);
}

.materials li, .steps li {
  margin-bottom: 8px;
  line-height: 1.6;
  color: #555;
  transition: color 0.3s ease;
}

.materials li:hover, .steps li:hover {
  color: var(--primary-color);
}

.steps li strong {
  color: var(--primary-color);
  font-weight: 600;
}

.effectiveness {
  background: linear-gradient(135deg, #e8f5e8 0%, #f0f8f0 100%);
  padding: 20px;
  padding-left: 45px;
  border-radius: 12px;
  border: 2px solid #28a745;
  margin-top: 25px;
  position: relative;
}

.method-card.intermediate .effectiveness {
  background: linear-gradient(135deg, #fff9e6 0%, #fffbf0 100%);
  border-color: #ffc107;
}

.method-card.advanced .effectiveness {
  background: linear-gradient(135deg, #ffe6e6 0%, #fff0f0 100%);
  border-color: #dc3545;
}

.effectiveness::before {
  content: '✅';
  position: absolute;
  top: 8px;
  left: 0px;
  padding: 10px;
  font-size: 1.2rem;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.effectiveness strong {
  color: var(--primary-color);
  font-weight: 700;
  font-size: 1.05rem;
}

/* タブレット表示：縦並びに */
@media (max-width: 1024px) {
  .method-content {
    flex-direction: column;
    gap: 25px;
  }

  .method-image {
    flex: none;
    order: 1; /* 画像を上に */
    align-self: center;
    flex: 0 0 300px;
  }

  .method-text {
    flex: none;
    order: 2; /* テキストを下に */
  }

  .method-card h4 {
    text-align: center;
    justify-content: center;
  }

  .method-card h4::after {
    position: absolute;
    right: 0;
    margin-left: 0;
  }
}

/* スマホ表示：よりコンパクトに */
@media (max-width: 768px) {
  .method-card {
    padding: 25px;
    margin-bottom: 25px;
  }

  .method-content {
    gap: 20px;
  }

  .method-image {
    flex: 0 0 280px;
  }

  .faraday-method-img {
    height: 180px;
    border-width: 2px;
  }

  .materials h5, .steps h5 {
    font-size: 1rem;
  }

  .materials ul, .steps ol {
    padding: 15px 15px 15px 35px;
  }

  .effectiveness {
    padding: 15px;
  }

  .method-card h4 {
    font-size: 1.2rem;
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .method-card h4::after {
    position: static;
    margin-left: 0;
    align-self: center;
  }
}

@media (max-width: 480px) {
  .method-card {
    padding: 20px;
    margin-bottom: 20px;
  }

  .method-card h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
  }

  .method-content {
    gap: 15px;
  }

  .method-image {
    flex: 0 0 240px;
  }

  .faraday-method-img {
    height: 150px;
    border-radius: 8px;
  }

  .materials h5, .steps h5 {
    font-size: 0.95rem;
    margin-bottom: 10px;
  }

  .materials h5::before, .steps h5::before {
    font-size: 1rem;
  }

  .materials ul, .steps ol {
    padding: 12px 12px 12px 30px;
  }

  .materials li, .steps li {
    font-size: 0.9rem;
    margin-bottom: 6px;
  }

  .effectiveness {
    padding: 12px;
    font-size: 0.9rem;
  }

  .effectiveness::before {
    font-size: 1.1rem;
    top: -20px;
    left: 15px;
    padding: 8px;
    width: 35px;
    height: 35px;
  }
}

/* データ保存セクション - シンプル版 */
.data-preservation {
  padding: 80px 0;
  background: #f8f9fa;
  color: #333;
}

.data-preservation h2 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 30px;
  color: var(--secondary-color);
}

.preservation-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.why-print,
.what-to-print,
.preservation-methods {
  margin-bottom: 60px;
}

.why-print h3,
.what-to-print h3,
.preservation-methods h3 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 30px;
  text-align: center;
  color: var(--secondary-color);
  padding-bottom: 15px;
  border-bottom: 2px solid var(--primary-color);
}

.print-category,
.method-item {
  background: white;
  border-radius: 15px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

/* 分野別のスタイル */
.print-category.medical {
  border-color: #dc3545;
  background: linear-gradient(135deg, #ffffff 0%, #fff7f7 100%);
}

.print-category.medical::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #dc3545, #e83e8c);
}

.print-category.agriculture {
  border-color: #28a745;
  background: linear-gradient(135deg, #ffffff 0%, #f8fff9 100%);
}

.print-category.agriculture::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #28a745, #20c997);
}

.print-category.technology {
  border-color: #007bff;
  background: linear-gradient(135deg, #ffffff 0%, #f7fbff 100%);
}

.print-category.technology::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #007bff, #0056b3);
}

.print-category.local-info {
  border-color: #ffc107;
  background: linear-gradient(135deg, #ffffff 0%, #fffef7 100%);
}

.print-category.local-info::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #ffc107, #fd7e14);
}

.print-category:hover,
.method-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 35px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.print-category h4 {
  margin-bottom: 25px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--secondary-color);
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
  position: relative;
}

/* 分野別バッジの追加 */
.print-category.medical h4::after {
  content: '医療';
  background: #dc3545;
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  margin-left: auto;
}

.print-category.agriculture h4::after {
  content: '農業';
  background: #28a745;
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  margin-left: auto;
}

.print-category.technology h4::after {
  content: '技術';
  background: #007bff;
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  margin-left: auto;
}

.print-category.local-info h4::after {
  content: '地域';
  background: #ffc107;
  color: #212529;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  margin-left: auto;
}

.print-category .category-content {
  margin-top: 20px;
}

.print-category .essential-items {
  margin-bottom: 25px;
}

.print-category .essential-items h5 {
  color: var(--primary-color);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.print-category.medical .essential-items h5::before {
  content: '🏥';
  font-size: 1.2rem;
}

.print-category.agriculture .essential-items h5::before {
  content: '🌱';
  font-size: 1.2rem;
}

.print-category.technology .essential-items h5::before {
  content: '⚙️';
  font-size: 1.2rem;
}

.print-category.local-info .essential-items h5::before {
  content: '📍';
  font-size: 1.2rem;
}

.print-category .essential-items ul {
  padding-left: 20px;
  margin: 0;
  background: #f8f9fa;
  border-radius: 10px;
  padding: 20px 20px 20px 40px;
  border-left: 3px solid var(--primary-color);
}

.print-category.medical .essential-items ul {
  border-left-color: #dc3545;
}

.print-category.agriculture .essential-items ul {
  border-left-color: #28a745;
}

.print-category.technology .essential-items ul {
  border-left-color: #007bff;
}

.print-category.local-info .essential-items ul {
  border-left-color: #ffc107;
}

.print-category .essential-items li {
  margin-bottom: 8px;
  line-height: 1.6;
  color: #555;
  transition: color 0.3s ease;
}

.print-category .essential-items li:hover {
  color: var(--primary-color);
}

.print-category .essential-items li strong {
  color: var(--primary-color);
  font-weight: 600;
}

.print-category .storage-tip {
  background: linear-gradient(135deg, #e8f5e8 0%, #f0f8f0 100%);
  padding: 20px;
  padding-left: 45px;
  border-radius: 12px;
  border: 2px solid #28a745;
  margin-top: 25px;
  position: relative;
}

.print-category.medical .storage-tip {
  background: linear-gradient(135deg, #ffe6e6 0%, #fff0f0 100%);
  border-color: #dc3545;
}

.print-category.agriculture .storage-tip {
  background: linear-gradient(135deg, #e8f5e8 0%, #f0f8f0 100%);
  border-color: #28a745;
}

.print-category.technology .storage-tip {
  background: linear-gradient(135deg, #e6f3ff 0%, #f0f8ff 100%);
  border-color: #007bff;
}

.print-category.local-info .storage-tip {
  background: linear-gradient(135deg, #fff9e6 0%, #fffbf0 100%);
  border-color: #ffc107;
}

.print-category .storage-tip::before {
  content: '💡';
  position: absolute;
  top: 6px;
  left: 0px;
  padding: 10px;
  font-size: 1.2rem;
  z-index: 2;
  width: 40px;
  height: 40px;
  display: flex;
}

.print-category .storage-tip strong {
  color: var(--primary-color);
  font-weight: 700;
  font-size: 1.05rem;
}

/* method-itemも同様のスタイルを適用 */
.method-item {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.method-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.method-item h4 {
  margin-bottom: 25px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--secondary-color);
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
}

.method-item h4::before {
  content: '📄';
  font-size: 1.2rem;
}

.method-item ul {
  padding-left: 20px;
  margin: 0;
  background: #f8f9fa;
  border-radius: 10px;
  padding: 20px 20px 20px 40px;
  border-left: 3px solid var(--primary-color);
}

.method-item li {
  margin-bottom: 8px;
  line-height: 1.6;
  color: #555;
  transition: color 0.3s ease;
}

.method-item li:hover {
  color: var(--primary-color);
}

.method-item li strong {
  color: var(--primary-color);
  font-weight: 600;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .print-category,
  .method-item {
    padding: 25px;
    margin-bottom: 25px;
  }

  .print-category h4,
  .method-item h4 {
    font-size: 1.2rem;
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .print-category h4::after {
    position: static;
    margin-left: 0;
    align-self: center;
  }

  .print-category .essential-items ul,
  .method-item ul {
    padding: 15px 15px 15px 35px;
  }

  .print-category .storage-tip {
    padding: 15px;
  }
}

@media (max-width: 480px) {
  .print-category,
  .method-item {
    padding: 20px;
    margin-bottom: 20px;
  }

  .print-category h4,
  .method-item h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
  }

  .print-category .essential-items h5 {
    font-size: 0.95rem;
    margin-bottom: 10px;
  }

  .print-category .essential-items h5::before {
    font-size: 1rem;
  }

  .print-category .essential-items ul,
  .method-item ul {
    padding: 12px 12px 12px 30px;
  }

  .print-category .essential-items li,
  .method-item li {
    font-size: 0.9rem;
    margin-bottom: 6px;
  }

  .print-category .storage-tip {
    padding: 12px;
    font-size: 0.9rem;
  }

  .print-category .storage-tip::before {
    font-size: 1.1rem;
    top: -20px;
    left: 15px;
    padding: 8px;
    width: 35px;
    height: 35px;
  }

  .effectiveness::before {
    font-size: 1.1rem;
    top: -20px;
    left: 15px;
    padding: 8px;
    width: 35px;
    height: 35px;
  }
}

.action-checklist {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border: 2px solid var(--primary-color);
  border-radius: 15px;
  padding: 30px;
  margin-top: 40px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  position: relative;
  overflow: hidden;
}

.action-checklist::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.action-checklist h3 {
  color: var(--primary-color);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 30px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
}

.action-checklist h3::before {
  content: '✅';
  font-size: 1.2rem;
}

.action-checklist .checklist {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}

.action-checklist .checklist-category {
  background: #f8f9fa;
  border-radius: 10px;
  padding: 20px;
  border-left: 3px solid var(--primary-color);
}

.action-checklist .checklist-category h4 {
  color: var(--primary-color);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.action-checklist .checklist-category:first-child h4::before {
  content: '📅';
  font-size: 1.1rem;
}

.action-checklist .checklist-category:last-child h4::before {
  content: '📆';
  font-size: 1.1rem;
}

.action-checklist .checklist-items {
  list-style: none;
  padding: 0;
  margin: 0;
}

.action-checklist .checklist-items li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  padding: 8px;
  border-radius: 6px;
  transition: background 0.3s ease;
}

.action-checklist .checklist-items li:hover {
  background: white;
}

.action-checklist .checklist-items input[type="checkbox"] {
  margin: 0;
  margin-top: 2px;
  cursor: pointer;
  transform: scale(1.2);
}

.action-checklist .checklist-items label {
  flex: 1;
  cursor: pointer;
  line-height: 1.5;
  color: #555;
  font-size: 0.95rem;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .action-checklist {
    padding: 25px;
    margin-top: 30px;
  }

  .action-checklist h3 {
    font-size: 1.4rem;
    flex-direction: column;
    gap: 8px;
  }

  .action-checklist .checklist {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .action-checklist .checklist-category {
    padding: 15px;
  }

  .action-checklist .checklist-category h4 {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .action-checklist {
    padding: 20px;
    margin-top: 25px;
  }

  .action-checklist h3 {
    font-size: 1.2rem;
  }

  .action-checklist .checklist-category {
    padding: 12px;
  }

  .action-checklist .checklist-category h4 {
    font-size: 1rem;
  }

  .action-checklist .checklist-items label {
    font-size: 0.9rem;
  }
}

/* レスポンシブ対応の既存ルールも調整 */
@media (max-width: 1024px) {
  .survival-systems-detail,
  .faraday-cage-guide,
  .data-preservation {
    padding: 60px 0;
  }

  .system-detail-card {
    padding: 25px;
  }
}

@media (max-width: 768px) {
  .survival-systems-detail,
  .faraday-cage-guide,
  .data-preservation {
    padding: 40px 0;
  }

  .system-detail-card {
    padding: 20px;
  }

  .system-header {
    flex-direction: column;
    text-align: center;
  }

  .system-icon {
    margin-right: 0;
    margin-bottom: 15px;
  }

  .specs-grid {
    grid-template-columns: 1fr;
  }
}

/* モーダル関連のスタイル */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  cursor: pointer;
}

.modal-content {
  position: relative;
  max-width: 90%;
  max-height: 90vh;
  margin: 2% auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.modal img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
}

.close-modal {
  position: absolute;
  top: -40px;
  right: 0;
  color: white;
  font-size: 1.2rem;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.close-modal:hover {
  background: rgba(0, 0, 0, 0.7);
}

/* モーダルのアニメーション */
.modal.fade-in {
  animation: fadeIn 0.3s ease-in-out;
}

.modal.fade-out {
  animation: fadeOut 0.3s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}