/* communication_systems.php 専用CSS */

/* イントロセクション */
.communication-systems-page .intro-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.communication-systems-page .intro-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="smallGrid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23smallGrid)"/></svg>');
  opacity: 0.3;
}

.communication-systems-page .intro-text {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
  padding: 0 15px;
}

.communication-systems-page .intro-text h2 {
  font-size: 2.8rem;
  margin-bottom: 25px;
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  font-weight: 700;
}

.communication-systems-page .intro-text p {
  font-size: 1.2rem;
  line-height: 1.8;
  margin-bottom: 50px;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.communication-systems-page .stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-top: 50px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.communication-systems-page .stat-item {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 30px 20px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.communication-systems-page .stat-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.25);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.communication-systems-page .stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.communication-systems-page .stat-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

/* 災害カテゴリセクション */
.communication-systems-page .disaster-categories {
  padding: 80px 0;
  background: #f8f9fa;
}

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

.communication-systems-page .disaster-categories .section-description {
  text-align: center;
  font-size: 1.2rem;
  color: #666;
  margin-bottom: 50px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.communication-systems-page .disaster-categories .category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.communication-systems-page .category-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: all 0.3s ease;
}

.communication-systems-page .category-card-link:hover {
  text-decoration: none;
  color: inherit;
}

.communication-systems-page .disaster-categories .category-card {
  background: white;
  border-radius: 15px;
  padding: 30px;
  box-shadow: 0 5px 15px var(--shadow-color);
  transition: all 0.3s ease;
  border-left: 4px solid #e1e8ed;
  height: 100%;
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.communication-systems-page .disaster-categories .category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.communication-systems-page .disaster-categories .category-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #e1e8ed, #ccc);
  color: white;
}

.communication-systems-page .disaster-categories .category-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.communication-systems-page .disaster-categories .category-content h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.communication-systems-page .disaster-categories .category-description {
  color: #666;
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}

.communication-systems-page .disaster-categories .category-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin: 20px 0;
}

.communication-systems-page .disaster-categories .category-stats .stat {
  text-align: center;
  padding: 15px;
  background: #f8f9fa;
  border-radius: 8px;
}

.communication-systems-page .disaster-categories .category-stats .stat .number {
  display: block;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-color);
}

.communication-systems-page .disaster-categories .category-stats .stat .label {
  font-size: 0.9rem;
  color: #666;
}

.communication-systems-page .disaster-categories .category-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

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

.communication-systems-page .disaster-categories .category-link {
  color: var(--primary-color);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all 0.3s ease;
  margin-top: auto;
}

.communication-systems-page .disaster-categories .category-link i {
  transition: transform 0.3s ease;
}

.communication-systems-page .disaster-categories .category-card:hover .category-link i {
  transform: translateX(5px);
}

/* カテゴリカード個別スタイル */
.communication-systems-page .disaster-categories .category-card:nth-child(1) {
  border-left-color: #e74c3c;
}

.communication-systems-page .disaster-categories .category-card:nth-child(1) .category-icon {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.communication-systems-page .disaster-categories .category-card:nth-child(1):hover {
  border-left-color: #c0392b;
}

.communication-systems-page .disaster-categories .category-card:nth-child(1) .category-features .feature {
  background: rgba(231, 76, 60, 0.1);
  color: #e74c3c;
}

.communication-systems-page .disaster-categories .category-card:nth-child(2) {
  border-left-color: #f39c12;
}

.communication-systems-page .disaster-categories .category-card:nth-child(2) .category-icon {
  background: linear-gradient(135deg, #f39c12, #e67e22);
}

.communication-systems-page .disaster-categories .category-card:nth-child(2):hover {
  border-left-color: #e67e22;
}

.communication-systems-page .disaster-categories .category-card:nth-child(2) .category-features .feature {
  background: rgba(243, 156, 18, 0.1);
  color: #f39c12;
}

.communication-systems-page .disaster-categories .category-card:nth-child(3) {
  border-left-color: #27ae60;
}

.communication-systems-page .disaster-categories .category-card:nth-child(3) .category-icon {
  background: linear-gradient(135deg, #27ae60, #229954);
}

.communication-systems-page .disaster-categories .category-card:nth-child(3):hover {
  border-left-color: #229954;
}

.communication-systems-page .disaster-categories .category-card:nth-child(3) .category-features .feature {
  background: rgba(39, 174, 96, 0.1);
  color: #27ae60;
}

.communication-systems-page .disaster-categories .category-card:nth-child(4) {
  border-left-color: #9b59b6;
}

.communication-systems-page .disaster-categories .category-card:nth-child(4) .category-icon {
  background: linear-gradient(135deg, #9b59b6, #8e44ad);
}

.communication-systems-page .disaster-categories .category-card:nth-child(4):hover {
  border-left-color: #8e44ad;
}

.communication-systems-page .disaster-categories .category-card:nth-child(4) .category-features .feature {
  background: rgba(155, 89, 182, 0.1);
  color: #9b59b6;
}

/* タイムライン */
.communication-systems-page .disaster-timeline {
  padding: 80px 0;
  background: white;
}

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

.communication-systems-page .disaster-timeline .timeline-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 15px;
  position: relative;
}

.communication-systems-page .disaster-timeline .timeline-item {
  margin-bottom: 30px;
  position: relative;
}

.communication-systems-page .disaster-timeline .timeline-time {
  background: var(--primary-color);
  color: white;
  padding: 10px 20px;
  border-radius: 25px;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 15px;
  position: relative;
  z-index: 2;
  box-shadow: 0 3px 10px rgba(231, 76, 60, 0.3);
}

.communication-systems-page .disaster-timeline .timeline-content {
  background: white;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.communication-systems-page .disaster-timeline .timeline-content:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.communication-systems-page .disaster-timeline .timeline-content h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.communication-systems-page .disaster-timeline .timeline-content p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 20px;
}

.communication-systems-page .disaster-timeline .timeline-item:nth-child(1) .timeline-time {
  background: #e74c3c;
}

.communication-systems-page .disaster-timeline .timeline-item:nth-child(2) .timeline-time {
  background: #f39c12;
}

.communication-systems-page .disaster-timeline .timeline-item:nth-child(3) .timeline-time {
  background: #27ae60;
}

.communication-systems-page .disaster-timeline .timeline-item:nth-child(4) .timeline-time {
  background: #9b59b6;
}

/* ティップスセクション */
.communication-systems-page .tips-section {
  padding: 80px 0;
  background: #f8f9fa;
  position: relative;
}

.communication-systems-page .tips-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="tipsGrid" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(52,152,219,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23tipsGrid)"/></svg>');
  opacity: 0.5;
}

.communication-systems-page .tips-section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
  color: var(--secondary-color);
  position: relative;
  z-index: 2;
}

.communication-systems-page .tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  position: relative;
  z-index: 2;
}

.communication-systems-page .tip-card {
  background: white;
  padding: 40px 30px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.communication-systems-page .tip-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #e74c3c, #f39c12, #27ae60);
  transition: all 0.3s ease;
}

.communication-systems-page .tip-card:nth-child(1)::before {
  background: #e74c3c;
}

.communication-systems-page .tip-card:nth-child(2)::before {
  background: #f39c12;
}

.communication-systems-page .tip-card:nth-child(3)::before {
  background: #27ae60;
}

.communication-systems-page .tip-card:hover::before {
  height: 8px;
}

.communication-systems-page .tip-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.communication-systems-page .tip-card i {
  font-size: 3rem;
  margin-bottom: 25px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all 0.3s ease;
}

.communication-systems-page .tip-card:nth-child(1) i {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.communication-systems-page .tip-card:nth-child(2) i {
  background: linear-gradient(135deg, #f39c12, #e67e22);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.communication-systems-page .tip-card:nth-child(3) i {
  background: linear-gradient(135deg, #27ae60, #229954);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.communication-systems-page .tip-card:hover i {
  transform: scale(1.1);
}

.communication-systems-page .tip-card h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--secondary-color);
  font-weight: 700;
}

.communication-systems-page .tip-card p {
  color: #666;
  line-height: 1.6;
  font-size: 1rem;
}

/* 詳細セクション */
.communication-systems-page .detail-section {
  padding: 80px 0;
  background: white;
  position: relative;
  scroll-margin-top: 100px;
}

.communication-systems-page .detail-section:nth-child(even) {
  background: #f8f9fa;
}

.communication-systems-page .detail-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #667eea, #764ba2);
}

.communication-systems-page .detail-section:nth-child(odd)::before {
  background: linear-gradient(90deg, #e74c3c, #c0392b);
}

.communication-systems-page .detail-section:nth-child(even)::before {
  background: linear-gradient(90deg, #f39c12, #e67e22);
}

.communication-systems-page .detail-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  text-align: center;
  margin-bottom: 60px;
}

.communication-systems-page .detail-header h2 {
  font-size: 2.8rem;
  margin-bottom: 20px;
  color: var(--secondary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  font-weight: 700;
}

.communication-systems-page .detail-header h2 i {
  font-size: 2.5rem;
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.communication-systems-page .detail-header .detail-description {
  font-size: 1.3rem;
  color: #666;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto;
}

.communication-systems-page .detail-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.communication-systems-page .detail-overview {
  background: white;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  margin-bottom: 50px;
  position: relative;
  overflow: hidden;
}

.communication-systems-page .detail-section:nth-child(even) .detail-overview {
  background: #fff;
}

.communication-systems-page .detail-overview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #e74c3c, #c0392b);
}

.communication-systems-page .detail-overview h3 {
  font-size: 2rem;
  margin-bottom: 25px;
  color: var(--secondary-color);
  font-weight: 700;
}

.communication-systems-page .detail-overview p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #555;
  margin-bottom: 20px;
}

/* 機能比較テーブル */
.communication-systems-page .feature-comparison {
  margin-bottom: 50px;
}

.communication-systems-page .feature-comparison h3 {
  font-size: 2rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
  text-align: center;
  font-weight: 700;
}

.communication-systems-page .comparison-table {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.communication-systems-page .comparison-table table {
  width: 100%;
  border-collapse: collapse;
}

.communication-systems-page .comparison-table th {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  color: white;
  padding: 20px 15px;
  text-align: left;
  font-weight: 600;
  font-size: 1rem;
}

.communication-systems-page .comparison-table td {
  padding: 18px 15px;
  border-bottom: 1px solid #e9ecef;
  transition: all 0.3s ease;
}

.communication-systems-page .comparison-table tr:hover {
  background: rgba(231, 76, 60, 0.05);
}

.communication-systems-page .comparison-table tr:last-child td {
  border-bottom: none;
}

.communication-systems-page .comparison-table td:first-child {
  font-weight: 600;
  color: var(--secondary-color);
}

/* 無線システムタイプグリッド */
.communication-systems-page .wireless-types {
  margin-bottom: 50px;
}

.communication-systems-page .wireless-types h3 {
  font-size: 2rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
  text-align: center;
  font-weight: 700;
}

.communication-systems-page .type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.communication-systems-page .type-card {
  background: white;
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.communication-systems-page .type-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #27ae60, #229954);
}

.communication-systems-page .type-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.communication-systems-page .type-card h4 {
  font-size: 1.6rem;
  margin-bottom: 20px;
  color: var(--secondary-color);
  font-weight: 700;
}

.communication-systems-page .type-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.communication-systems-page .spec-badge {
  padding: 6px 12px;
  border-radius: 15px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(39, 174, 96, 0.1);
  color: #27ae60;
}

.communication-systems-page .spec-badge.license-free {
  background: rgba(46, 204, 113, 0.1);
  color: #2ecc71;
}

.communication-systems-page .spec-badge.license-required {
  background: rgba(231, 76, 60, 0.1);
  color: #e74c3c;
}

.communication-systems-page .type-card p {
  line-height: 1.6;
  color: #666;
  margin-bottom: 10px;
}

.communication-systems-page .type-card p strong {
  color: var(--secondary-color);
}

/* ラジオ機能カード */
.communication-systems-page .radio-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.communication-systems-page .feature-card {
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: all 0.3s ease;
}

.communication-systems-page .feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.communication-systems-page .feature-card i {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: #f39c12;
}

.communication-systems-page .feature-card h4 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: var(--secondary-color);
  font-weight: 600;
}

.communication-systems-page .feature-card ul {
  list-style: none;
  padding: 0;
}

.communication-systems-page .feature-card li {
  padding: 8px 0;
  color: #666;
  position: relative;
  padding-left: 20px;
}

.communication-systems-page .feature-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #27ae60;
  font-weight: bold;
}

/* 推奨機種グリッド */
.communication-systems-page .recommended-models {
  margin-bottom: 50px;
}

.communication-systems-page .recommended-models h3 {
  font-size: 2rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
  text-align: center;
  font-weight: 700;
}

.communication-systems-page .model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.communication-systems-page .model-card {
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.communication-systems-page .model-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.communication-systems-page .model-card h4 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
  font-weight: 600;
}

.communication-systems-page .model-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 15px;
}

.communication-systems-page .model-specs span {
  background: rgba(243, 156, 18, 0.1);
  color: #f39c12;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.communication-systems-page .model-price {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.communication-systems-page .model-card p {
  color: #666;
  line-height: 1.6;
}

/* セットアップガイド */
.communication-systems-page .usage-guide,
.communication-systems-page .setup-guide {
  margin-bottom: 50px;
}

.communication-systems-page .usage-guide h3,
.communication-systems-page .setup-guide h3 {
  font-size: 2rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
  text-align: center;
  font-weight: 700;
}

.communication-systems-page .guide-steps,
.communication-systems-page .setup-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.communication-systems-page .step,
.communication-systems-page .setup-step {
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  position: relative;
  transition: all 0.3s ease;
}

.communication-systems-page .step:hover,
.communication-systems-page .setup-step:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.communication-systems-page .step-number {
  position: absolute;
  top: -15px;
  left: 30px;
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: 0 3px 10px rgba(231, 76, 60, 0.3);
}

.communication-systems-page .step-icon {
  font-size: 2rem;
  margin-bottom: 15px;
  display: block;
}

.communication-systems-page .step h4,
.communication-systems-page .setup-step h4 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
  font-weight: 600;
}

.communication-systems-page .step p,
.communication-systems-page .setup-step p {
  color: #666;
  line-height: 1.6;
}

/* バックアップ手段グリッド */
.communication-systems-page .backup-methods {
  margin-bottom: 50px;
}

.communication-systems-page .backup-methods h3 {
  font-size: 2rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
  text-align: center;
  font-weight: 700;
}

.communication-systems-page .methods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.communication-systems-page .method-card {
  background: white;
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  text-align: center;
}

.communication-systems-page .method-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.communication-systems-page .method-card i {
  font-size: 3rem;
  margin-bottom: 20px;
  color: #9b59b6;
}

.communication-systems-page .method-card h4 {
  font-size: 1.6rem;
  margin-bottom: 20px;
  color: var(--secondary-color);
  font-weight: 600;
}

.communication-systems-page .method-details p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 10px;
  text-align: left;
}

.communication-systems-page .method-details strong {
  color: var(--secondary-color);
}

/* 冗長性戦略 */
.communication-systems-page .redundancy-strategy {
  margin-bottom: 50px;
}

.communication-systems-page .redundancy-strategy h3 {
  font-size: 2rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
  text-align: center;
  font-weight: 700;
}

.communication-systems-page .strategy-levels {
  display: grid;
  gap: 25px;
}

.communication-systems-page .level {
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  border-left: 5px solid #9b59b6;
  transition: all 0.3s ease;
}

.communication-systems-page .level:hover {
  transform: translateX(5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.communication-systems-page .level h4 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
  font-weight: 600;
}

.communication-systems-page .level p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 15px;
}

.communication-systems-page .level-cost {
  font-weight: 600;
  color: #9b59b6;
  font-size: 1.1rem;
}

/* セットアップチェックリスト */
.communication-systems-page .setup-checklist {
  margin-bottom: 50px;
}

.communication-systems-page .setup-checklist h3 {
  font-size: 2rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
  text-align: center;
  font-weight: 700;
}

.communication-systems-page .checklist {
  background: white;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  max-width: 600px;
  margin: 0 auto;
}

.communication-systems-page .checklist-item {
  display: flex;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid #e9ecef;
  cursor: pointer;
  transition: all 0.3s ease;
}

.communication-systems-page .checklist-item:last-child {
  border-bottom: none;
}

.communication-systems-page .checklist-item:hover {
  background: rgba(155, 89, 182, 0.05);
  padding-left: 10px;
}

.communication-systems-page .checklist-item input[type="checkbox"] {
  margin-right: 15px;
  transform: scale(1.2);
  accent-color: #9b59b6;
}

.communication-systems-page .checkmark {
  margin-right: 15px;
}

/* スターリンク専用スタイル */
.communication-systems-page .starlink-card {
  position: relative;
  border: 2px solid #1a73e8;
  background: linear-gradient(135deg, rgba(26, 115, 232, 0.05), rgba(66, 133, 244, 0.05));
}

.communication-systems-page .starlink-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, #1a73e8, #4285f4, #1a73e8);
  border-radius: 20px;
  z-index: -1;
  animation: starlink-glow 3s ease-in-out infinite alternate;
}

@keyframes starlink-glow {
  0% { opacity: 0.5; }
  100% { opacity: 0.8; }
}

.communication-systems-page .recommended-badge {
  position: absolute;
  top: -10px;
  right: -10px;
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  color: white;
  padding: 8px 15px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 3px 10px rgba(255, 107, 53, 0.3);
  animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.communication-systems-page .recommended-badge i {
  margin-right: 5px;
}

/* スターリンク詳細セクション */
.communication-systems-page .starlink-details {
  margin-bottom: 50px;
  background: linear-gradient(135deg, rgba(26, 115, 232, 0.03), rgba(66, 133, 244, 0.03));
  padding: 50px 40px;
  border-radius: 25px;
  border: 1px solid rgba(26, 115, 232, 0.1);
}

.communication-systems-page .starlink-details h3 {
  font-size: 2.2rem;
  margin-bottom: 40px;
  color: var(--secondary-color);
  text-align: center;
  font-weight: 700;
  position: relative;
}

.communication-systems-page .starlink-details h3::before {
  content: '🛰️';
  position: absolute;
  left: -50px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
}

.communication-systems-page .starlink-overview {
  margin-bottom: 50px;
}

.communication-systems-page .starlink-intro {
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
}

.communication-systems-page .starlink-intro h4 {
  font-size: 1.6rem;
  margin-bottom: 20px;
  color: #1a73e8;
  font-weight: 600;
}

.communication-systems-page .starlink-intro p {
  line-height: 1.8;
  color: #555;
  font-size: 1.1rem;
}

/* 比較カード */
.communication-systems-page .starlink-comparison h4 {
  font-size: 1.8rem;
  margin-bottom: 25px;
  color: var(--secondary-color);
  text-align: center;
  font-weight: 600;
}

.communication-systems-page .comparison-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.communication-systems-page .comparison-card {
  background: white;
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.communication-systems-page .comparison-card.traditional {
  border-left: 5px solid #95a5a6;
}

.communication-systems-page .comparison-card.starlink {
  border-left: 5px solid #1a73e8;
  background: linear-gradient(135deg, rgba(26, 115, 232, 0.05), white);
}

.communication-systems-page .comparison-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.communication-systems-page .comparison-card h5 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 600;
}

.communication-systems-page .comparison-card.traditional h5 {
  color: #95a5a6;
}

.communication-systems-page .comparison-card.starlink h5 {
  color: #1a73e8;
}

.communication-systems-page .spec-list {
  display: grid;
  gap: 15px;
}

.communication-systems-page .spec-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 15px;
  background: #f8f9fa;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.communication-systems-page .comparison-card.starlink .spec-item {
  background: rgba(26, 115, 232, 0.05);
}

.communication-systems-page .spec-item:hover {
  transform: translateX(5px);
}

.communication-systems-page .spec-label {
  font-weight: 600;
  color: #666;
}

.communication-systems-page .spec-value {
  font-weight: 700;
  color: var(--secondary-color);
}

/* 設置タイムライン */
.communication-systems-page .starlink-setup {
  margin-bottom: 50px;
}

.communication-systems-page .starlink-setup h4 {
  font-size: 1.8rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
  text-align: center;
  font-weight: 600;
}

.communication-systems-page .setup-timeline {
  display: grid;
  gap: 20px;
  position: relative;
}

.communication-systems-page .setup-timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 40px;
  bottom: 40px;
  width: 2px;
  background: linear-gradient(to bottom, #1a73e8, #4285f4);
}

.communication-systems-page .timeline-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  position: relative;
}

.communication-systems-page .timeline-step .step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #1a73e8, #4285f4);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 5px 15px rgba(26, 115, 232, 0.3);
  position: relative;
  z-index: 2;
}

.communication-systems-page .timeline-step .step-content {
  background: white;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  flex: 1;
  transition: all 0.3s ease;
}

.communication-systems-page .timeline-step .step-content:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.communication-systems-page .timeline-step .step-content h5 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: #1a73e8;
  font-weight: 600;
}

.communication-systems-page .timeline-step .step-content p {
  color: #666;
  line-height: 1.6;
}

/* コスト分析 */
.communication-systems-page .starlink-costs {
  margin-bottom: 50px;
}

.communication-systems-page .starlink-costs h4 {
  font-size: 1.8rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
  text-align: center;
  font-weight: 600;
}

.communication-systems-page .cost-breakdown {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.communication-systems-page .cost-category {
  background: white;
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  border-top: 4px solid #1a73e8;
}

.communication-systems-page .cost-category h5 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: #1a73e8;
  font-weight: 600;
  text-align: center;
}

.communication-systems-page .cost-items {
  display: grid;
  gap: 10px;
}

.communication-systems-page .cost-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid #e9ecef;
}

.communication-systems-page .cost-item:last-child {
  border-bottom: none;
}

.communication-systems-page .item-name {
  color: #666;
  font-weight: 500;
}

.communication-systems-page .item-price {
  font-weight: 700;
  color: var(--secondary-color);
}

.communication-systems-page .cost-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
  border-top: 2px solid #1a73e8;
  margin-top: 10px;
}

.communication-systems-page .total-label {
  font-weight: 600;
  color: #1a73e8;
}

.communication-systems-page .total-price {
  font-weight: 700;
  font-size: 1.2rem;
  color: #1a73e8;
}

/* メリット・デメリット */
.communication-systems-page .starlink-advantages {
  margin-bottom: 50px;
}

.communication-systems-page .starlink-advantages h4 {
  font-size: 1.8rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
  text-align: center;
  font-weight: 600;
}

.communication-systems-page .pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.communication-systems-page .pros,
.communication-systems-page .cons {
  background: white;
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.communication-systems-page .pros {
  border-top: 4px solid #27ae60;
}

.communication-systems-page .cons {
  border-top: 4px solid #e74c3c;
}

.communication-systems-page .pros h5 {
  color: #27ae60;
  font-size: 1.4rem;
  margin-bottom: 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.communication-systems-page .cons h5 {
  color: #e74c3c;
  font-size: 1.4rem;
  margin-bottom: 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.communication-systems-page .pros ul,
.communication-systems-page .cons ul {
  list-style: none;
  padding: 0;
}

.communication-systems-page .pros li,
.communication-systems-page .cons li {
  padding: 8px 0;
  position: relative;
  padding-left: 25px;
  color: #666;
  line-height: 1.5;
}

.communication-systems-page .pros li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #27ae60;
  font-weight: bold;
  font-size: 1.1rem;
}

.communication-systems-page .cons li::before {
  content: '⚠';
  position: absolute;
  left: 0;
  color: #e74c3c;
  font-weight: bold;
  font-size: 1.1rem;
}

/* シナリオグリッド */
.communication-systems-page .starlink-scenarios {
  margin-bottom: 50px;
}

.communication-systems-page .starlink-scenarios h4 {
  font-size: 1.8rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
  text-align: center;
  font-weight: 600;
}

.communication-systems-page .scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.communication-systems-page .scenario-card {
  background: white;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: all 0.3s ease;
  border-top: 3px solid #1a73e8;
}

.communication-systems-page .scenario-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  border-top-color: #4285f4;
}

.communication-systems-page .scenario-icon {
  font-size: 3rem;
  margin-bottom: 15px;
  display: block;
}

.communication-systems-page .scenario-card h5 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: #1a73e8;
  font-weight: 600;
}

.communication-systems-page .scenario-card p {
  color: #666;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* 専門家アドバイスセクション */
.communication-systems-page .expert-advice {
  padding: 80px 0;
  background: #f8f9fa;
}

.communication-systems-page .expert-advice h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
  color: var(--secondary-color);
}

.communication-systems-page .expert-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px;
  background: white;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: start;
}

.communication-systems-page .expert-profile {
  text-align: center;
}

.communication-systems-page .expert-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--accent-color);
  margin-bottom: 20px;
}

.communication-systems-page .expert-info h3 {
  font-size: 1.3rem;
  margin-bottom: 5px;
  color: var(--secondary-color);
}

.communication-systems-page .expert-info p {
  font-size: 0.9rem;
  color: #666;
}

.communication-systems-page .expert-quote {
  background: white;
  padding: 30px;
  border-radius: 15px;
  border-left: 4px solid var(--accent-color);
}

.communication-systems-page .expert-quote p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #555;
  margin: 0;
  font-style: italic;
}

/* レスポンシブ対応 - スターリンク専用 */
@media (max-width: 1024px) {
  .communication-systems-page .intro-text h2 {
    font-size: 2.3rem;
  }

  .communication-systems-page .disaster-categories .category-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
  }

  .communication-systems-page .disaster-timeline .timeline-item {
    margin-bottom: 25px;
  }

  .communication-systems-page .disaster-timeline .timeline-time {
    padding: 8px 15px;
    font-size: 0.9rem;
  }

  .communication-systems-page .detail-header h2 {
    font-size: 2.3rem;
  }

  .communication-systems-page .comparison-table th,
  .communication-systems-page .comparison-table td {
    padding: 15px 10px;
    font-size: 0.9rem;
  }

  .communication-systems-page .type-grid,
  .communication-systems-page .model-grid,
  .communication-systems-page .methods-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  .communication-systems-page .intro-section {
    padding: 60px 0;
  }

  .communication-systems-page .intro-text h2 {
    font-size: 2rem;
  }

  .communication-systems-page .intro-text p {
    font-size: 1.1rem;
  }

  .communication-systems-page .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
  }

  .communication-systems-page .disaster-categories {
    padding: 60px 0;
  }

  .communication-systems-page .disaster-categories .category-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .communication-systems-page .disaster-timeline {
    padding: 60px 0;
  }

  .communication-systems-page .tips-section {
    padding: 60px 0;
  }

  .communication-systems-page .tips-section h2 {
    font-size: 2rem;
  }

  .communication-systems-page .tips-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .communication-systems-page .tip-card {
    padding: 30px 25px;
  }

  .communication-systems-page .tip-card i {
    font-size: 2.5rem;
  }

  .communication-systems-page .tip-card h3 {
    font-size: 1.3rem;
  }

  .communication-systems-page .detail-section {
    padding: 60px 0;
  }

  .communication-systems-page .detail-header h2 {
    font-size: 2rem;
    flex-direction: column;
    gap: 10px;
  }

  .communication-systems-page .detail-overview {
    padding: 30px 20px;
  }

  .communication-systems-page .comparison-table {
    overflow-x: auto;
  }

  .communication-systems-page .comparison-table table {
    min-width: 600px;
  }

  .communication-systems-page .type-grid,
  .communication-systems-page .radio-features,
  .communication-systems-page .model-grid,
  .communication-systems-page .methods-grid,
  .communication-systems-page .guide-steps,
  .communication-systems-page .setup-steps {
    grid-template-columns: 1fr;
  }

  .communication-systems-page .checklist {
    padding: 30px 20px;
  }

  /* スターリンク専用768px */
  .communication-systems-page .comparison-cards,
  .communication-systems-page .cost-breakdown,
  .communication-systems-page .pros-cons {
    grid-template-columns: 1fr;
  }

  .communication-systems-page .starlink-details {
    padding: 30px 20px;
  }

  .communication-systems-page .starlink-details h3::before {
    display: none;
  }

  .communication-systems-page .setup-timeline::before {
    left: 15px;
  }

  .communication-systems-page .timeline-step .step-number {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .communication-systems-page .scenario-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .communication-systems-page .intro-text h2 {
    font-size: 1.8rem;
  }

  .communication-systems-page .intro-text p {
    font-size: 1rem;
  }

  .communication-systems-page .stat-number {
    font-size: 2rem;
  }

  .communication-systems-page .disaster-categories h2,
  .communication-systems-page .disaster-timeline h2,
  .communication-systems-page .tips-section h2 {
    font-size: 1.8rem;
  }

  .communication-systems-page .tip-card {
    padding: 25px 20px;
  }

  .communication-systems-page .tip-card i {
    font-size: 2rem;
  }

  .communication-systems-page .tip-card h3 {
    font-size: 1.2rem;
  }

  .communication-systems-page .tip-card p {
    font-size: 0.95rem;
  }

  .communication-systems-page .disaster-timeline .timeline-time {
    padding: 6px 12px;
    font-size: 0.8rem;
  }

  .communication-systems-page .detail-header h2 {
    font-size: 1.8rem;
  }

  .communication-systems-page .detail-header .detail-description {
    font-size: 1.1rem;
  }

  .communication-systems-page .detail-overview {
    padding: 25px 15px;
  }

  .communication-systems-page .detail-overview h3 {
    font-size: 1.6rem;
  }

  .communication-systems-page .detail-overview p {
    font-size: 1rem;
  }

  .communication-systems-page .type-card,
  .communication-systems-page .feature-card,
  .communication-systems-page .model-card,
  .communication-systems-page .method-card,
  .communication-systems-page .step,
  .communication-systems-page .setup-step {
    padding: 20px 15px;
  }

  .communication-systems-page .checklist {
    padding: 25px 15px;
  }

  .communication-systems-page .checklist-item {
    padding: 12px 0;
  }

  /* スターリンク専用480px */
  .communication-systems-page .starlink-details h3 {
    font-size: 1.8rem;
  }

  .communication-systems-page .timeline-step {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .communication-systems-page .setup-timeline::before {
    display: none;
  }

  .communication-systems-page .cost-category,
  .communication-systems-page .pros,
  .communication-systems-page .cons {
    padding: 20px 15px;
  }
}