/* water_purification.php 専用CSS */

/* 浄水システムページ固有のスタイル */
.water-purification-page .intro-section {
  padding: 80px 0;
  background: white;
}

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

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

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

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

.water-purification-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;
}

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

.water-purification-page .stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.water-purification-page .stat-label {
  display: block;
  font-size: 1rem;
  color: var(--secondary-color);
  font-weight: 600;
}

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

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

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

.water-purification-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;
}

.water-purification-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;
  text-decoration: none;
  color: inherit;
}

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

.water-purification-page .portable-filter-card::before {
  background: linear-gradient(90deg, #3498db, #2980b9);
}

.water-purification-page .uv-sterilizer-card::before {
  background: linear-gradient(90deg, #9b59b6, #8e44ad);
}

.water-purification-page .chemical-treatment-card::before {
  background: linear-gradient(90deg, #e67e22, #d35400);
}

.water-purification-page .water-test-card::before {
  background: linear-gradient(90deg, #27ae60, #229954);
}

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

.water-purification-page .category-card:hover::before {
  height: 8px;
}

.water-purification-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;
}

.water-purification-page .portable-filter-card .category-icon {
  background: linear-gradient(135deg, #3498db, #2980b9);
}

.water-purification-page .uv-sterilizer-card .category-icon {
  background: linear-gradient(135deg, #9b59b6, #8e44ad);
}

.water-purification-page .chemical-treatment-card .category-icon {
  background: linear-gradient(135deg, #e67e22, #d35400);
}

.water-purification-page .water-test-card .category-icon {
  background: linear-gradient(135deg, #27ae60, #229954);
}

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

.water-purification-page .category-description {
  color: #666;
  line-height: 1.6;
  margin-bottom: 25px;
}

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

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

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

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

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

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

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

.water-purification-page .category-link i {
  transition: transform 0.3s ease;
}

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

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

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

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

.water-purification-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%);
}

.water-purification-page .timeline-item {
  display: flex;
  align-items: center;
  margin-bottom: 40px;
  position: relative;
}

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

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

.water-purification-page .timeline-time {
  width: 150px;
  padding: 15px 20px;
  background: var(--primary-color);
  color: white;
  border-radius: 25px;
  text-align: center;
  font-weight: 600;
  position: relative;
  z-index: 2;
}

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

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

.water-purification-page .timeline-content {
  flex: 1;
  background: white;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  border-left: 4px solid var(--accent-color);
}

.water-purification-page .timeline-content h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
  color: var(--secondary-color);
}

.water-purification-page .timeline-content p {
  color: #666;
  line-height: 1.6;
}

/* おすすめ商品セクション */
.water-purification-page .related-products {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.water-purification-page .related-products h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--secondary-color);
}

.water-purification-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;
}

.water-purification-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;
}

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

.water-purification-page .product-image {
  position: relative;
  height: 200px;
}

.water-purification-page .product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.water-purification-page .rating {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(255, 255, 255, 0.9);
  padding: 5px 10px;
  border-radius: 15px;
  font-weight: 600;
  color: #f39c12;
}

.water-purification-page .product-info {
  padding: 25px;
}

.water-purification-page .product-info h4 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.water-purification-page .product-info p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 20px;
}

.water-purification-page .product-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 25px;
}

.water-purification-page .product-features span {
  font-size: 0.9rem;
  color: var(--success-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.water-purification-page .product-features i {
  color: var(--success-color);
}

.water-purification-page .price-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.water-purification-page .price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
}

/* ポイントセクション */
.water-purification-page .tips-section {
  padding: 80px 0;
  background: white;
}

.water-purification-page .tips-section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
  color: var(--secondary-color);
}

.water-purification-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;
}

.water-purification-page .tip-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;
}

.water-purification-page .tip-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.water-purification-page .tip-card i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.water-purification-page .tip-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.water-purification-page .tip-card p {
  color: #666;
  line-height: 1.6;
}

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

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

.water-purification-page .expert-content {
  max-width: 1200px;
  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;
}

.water-purification-page .expert-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--accent-color);
}

.water-purification-page .expert-text h3 {
  font-size: 1.8rem;
  margin-bottom: 10px;
  color: var(--secondary-color);
}

.water-purification-page .expert-text h4 {
  font-size: 1.3rem;
  margin-bottom: 5px;
  color: var(--primary-color);
}

.water-purification-page .expert-title {
  font-size: 1rem;
  color: #666;
  margin-bottom: 20px;
}

.water-purification-page .expert-text p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #555;
  margin-bottom: 25px;
}

.water-purification-page .expert-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.water-purification-page .expert-credentials span {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f8f9fa;
  padding: 8px 15px;
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--secondary-color);
}

.water-purification-page .expert-credentials i {
  color: var(--accent-color);
}

/* CTAセクション */
.water-purification-page .cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-color), #c0392b);
  color: white;
  text-align: center;
}

.water-purification-page .cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: white;
}

.water-purification-page .cta-content p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  opacity: 0.9;
}

.water-purification-page .cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.water-purification-page .cta-buttons .btn {
  padding: 15px 30px;
  font-size: 1.1rem;
  border-radius: 25px;
  transition: all 0.3s ease;
}

.water-purification-page .cta-buttons .primary-btn {
  background: white;
  color: var(--primary-color);
}

.water-purification-page .cta-buttons .primary-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.water-purification-page .cta-buttons .secondary-btn {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.water-purification-page .cta-buttons .secondary-btn:hover {
  background: white;
  color: var(--primary-color);
}

/* システム詳細セクション */
.water-purification-page .system-detail {
  padding: 80px 0;
  background: white;
}

.water-purification-page .system-detail:nth-of-type(even) {
  background: #f8f9fa;
}

.water-purification-page .detail-header {
  text-align: center;
  margin-bottom: 60px;
}

.water-purification-page .detail-icon {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 30px;
  font-size: 3rem;
  color: white;
}

.water-purification-page .detail-header h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.water-purification-page .detail-description {
  font-size: 1.2rem;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

.water-purification-page .detail-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 15px;
}

.water-purification-page .detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.water-purification-page .detail-info h3 {
  font-size: 1.8rem;
  margin-bottom: 25px;
  color: var(--secondary-color);
}

.water-purification-page .feature-list {
  list-style: none;
  padding: 0;
  margin-bottom: 40px;
}

.water-purification-page .feature-list li {
  padding: 15px 0;
  border-bottom: 1px solid #eee;
  color: #555;
  line-height: 1.6;
}

.water-purification-page .feature-list li:last-child {
  border-bottom: none;
}

.water-purification-page .feature-list strong {
  color: var(--primary-color);
}

.water-purification-page .selection-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.water-purification-page .point-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  background: white;
  border-radius: 15px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
}

.water-purification-page .system-detail:nth-of-type(even) .point-item {
  background: #f8f9fa;
}

.water-purification-page .point-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-top: 5px;
}

.water-purification-page .point-item h4 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--secondary-color);
}

.water-purification-page .point-item p {
  color: #666;
  line-height: 1.5;
  margin: 0;
}

.water-purification-page .detail-products h3 {
  font-size: 1.8rem;
  margin-bottom: 25px;
  color: var(--secondary-color);
}

.water-purification-page .product-list {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.water-purification-page .product-item {
  display: flex;
  gap: 20px;
  padding: 25px;
  background: white;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.water-purification-page .system-detail:nth-of-type(even) .product-item {
  background: #f8f9fa;
}

.water-purification-page .product-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.water-purification-page .product-item .product-image {
  width: 100px;
  height: 100px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

.water-purification-page .product-item .product-info h4 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--secondary-color);
}

.water-purification-page .product-specs {
  font-size: 0.9rem;
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 10px;
}

.water-purification-page .product-item .product-info p:last-child {
  color: #666;
  line-height: 1.5;
  margin: 0;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .water-purification-page .intro-section,
  .water-purification-page .disaster-categories,
  .water-purification-page .disaster-timeline,
  .water-purification-page .related-products,
  .water-purification-page .tips-section,
  .water-purification-page .expert-advice,
  .water-purification-page .cta-section,
  .water-purification-page .system-detail {
    padding: 60px 0;
  }

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

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

  .water-purification-page .timeline-container::before {
    left: 30px;
  }

  .water-purification-page .timeline-item {
    flex-direction: row !important;
    padding-left: 80px;
  }

  .water-purification-page .timeline-item:nth-child(even) {
    flex-direction: row !important;
  }

  .water-purification-page .timeline-time {
    position: absolute;
    left: 0;
    margin: 0 !important;
    width: 60px;
    padding: 10px 5px;
    font-size: 0.8rem;
  }

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

  .water-purification-page .tips-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .water-purification-page .expert-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 30px;
    padding: 25px;
  }

  .water-purification-page .expert-credentials {
    justify-content: center;
  }

  .water-purification-page .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .water-purification-page .detail-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .water-purification-page .product-item {
    flex-direction: column;
    text-align: center;
  }

  .water-purification-page .product-item .product-image {
    width: 100%;
    height: 200px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .water-purification-page .intro-section h2,
  .water-purification-page .disaster-categories h2,
  .water-purification-page .disaster-timeline h2,
  .water-purification-page .related-products h2,
  .water-purification-page .tips-section h2,
  .water-purification-page .expert-advice h2,
  .water-purification-page .cta-content h2,
  .water-purification-page .detail-header h2 {
    font-size: 2rem;
  }

  .water-purification-page .category-card {
    padding: 20px;
  }

  .water-purification-page .category-stats {
    grid-template-columns: 1fr;
  }

  .water-purification-page .timeline-content {
    padding: 20px;
  }

  .water-purification-page .product-info {
    padding: 20px;
  }

  .water-purification-page .tip-card {
    padding: 20px;
  }
}