/*
Theme Name: PetCare Pro
Description: 獣医師監修のAIシステムを搭載した犬猫用ペットフード比較検討サイト。
Author: PetCare Pro Team
Version: 1.0.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: petcare-pro
Tags: e-commerce, responsive, ai-diagnosis, pet-care, veterinary, health, premium, business
Requires at least: 5.0
Tested up to: 6.4
Requires PHP: 7.4
*/

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background-color: #ffffff;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header Styles */
.site-header {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: white;
  font-size: 1.5rem;
  font-weight: bold;
}

.logo-icon {
  margin-right: 0.5rem;
  font-size: 2rem;
}

.main-navigation {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-menu a:hover {
  color: #d1fae5;
}

.nav-buttons {
  display: flex;
  gap: 1rem;
}

/* Button Styles */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-primary {
  background: #3b82f6;
  color: white;
}

.btn-primary:hover {
  background: #2563eb;
  transform: translateY(-2px);
  color: white;
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-outline:hover {
  background: white;
  color: #10b981;
  text-decoration: none;
}

.btn-success {
  background: #10b981;
  color: white;
}

.btn-success:hover {
  background: #059669;
  color: white;
  text-decoration: none;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.hero-text {
  flex: 1;
  text-align: left;
}

.hero-text h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-text p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image {
  flex: 1;
  text-align: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 1rem;
}

/* Section Styles */
.section {
  padding: 4rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.5rem;
  color: #1f2937;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.25rem;
  color: #6b7280;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  color: #1f2937;
  margin-bottom: 1rem;
}

.feature-card p {
  color: #6b7280;
  line-height: 1.6;
}

/* Categories Grid */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.category-card {
  background: white;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
  color: inherit;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  text-decoration: none;
  color: inherit;
}

.category-image {
  height: 200px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: white;
}

.category-content {
  padding: 1.5rem;
}

.category-content h3 {
  font-size: 1.25rem;
  color: #1f2937;
  margin-bottom: 0.5rem;
}

.category-content p {
  color: #6b7280;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.product-card {
  background: white;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
  height: 200px;
  background: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: #9ca3af;
}

.product-content {
  padding: 1.5rem;
}

.product-badge {
  display: inline-block;
  background: #10b981;
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.product-title {
  font-size: 1.25rem;
  color: #1f2937;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.product-description {
  color: #6b7280;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.product-price {
  font-size: 1.5rem;
  font-weight: bold;
  color: #10b981;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: #fbbf24;
}

.product-features {
  margin-bottom: 1rem;
}

.product-features ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.product-features li {
  padding: 0.25rem 0;
  color: #374151;
  font-size: 0.9rem;
}

.product-features li:before {
  content: "✓";
  color: #10b981;
  font-weight: bold;
  margin-right: 0.5rem;
}

/* Search and Filter */
.search-filter-section {
  background: #f9fafb;
  padding: 2rem 0;
  margin-bottom: 2rem;
}

.search-filter-content {
  display: flex;
  gap: 2rem;
  align-items: center;
  flex-wrap: wrap;
}

.search-box {
  flex: 1;
  min-width: 300px;
}

.search-box input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  font-size: 1rem;
}

.filter-controls {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.filter-controls select {
  padding: 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  background: white;
  font-size: 0.9rem;
}

/* AI Modal */
.ai-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10000;
  align-items: center;
  justify-content: center;
}

.ai-modal.active {
  display: flex;
}

.ai-modal-content {
  background: white;
  border-radius: 1rem;
  padding: 2rem;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.ai-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #6b7280;
}

.ai-modal-close:hover {
  color: #1f2937;
}

.ai-modal h2 {
  color: #1f2937;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.ai-step {
  display: none;
}

.ai-step.active {
  display: block;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #374151;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.checkbox-item input[type="checkbox"] {
  width: auto;
}

.ai-step-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
}

/* Footer */
.site-footer {
  background: #1f2937;
  color: #e5e7eb;
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
  color: white;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: #d1d5db;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: #10b981;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  font-size: 1.5rem;
  text-decoration: none;
  transition: transform 0.3s ease;
}

.social-links a:hover {
  transform: scale(1.2);
}

.footer-legal {
  border-top: 1px solid #374151;
  padding-top: 2rem;
  text-align: center;
}

.copyright {
  color: #6b7280;
  font-size: 0.9rem;
}

/* Mobile Navigation */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: white;
  margin: 3px 0;
  transition: 0.3s;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }
  
  .main-navigation {
    display: none;
    width: 100%;
  }
  
  .main-navigation.mobile-menu-open {
    display: block;
  }
  
  .nav-menu {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 0;
  }
  
  .nav-buttons {
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
  }
  
  .mobile-menu-toggle {
    display: flex;
    position: absolute;
    top: 1rem;
    right: 1rem;
  }
  
  .hero-content {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-text h1 {
    font-size: 2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
  }
  
  .features-grid,
  .categories-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .search-filter-content {
    flex-direction: column;
    align-items: stretch;
  }
  
  .search-box {
    min-width: auto;
  }
  
  .filter-controls {
    justify-content: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero-section {
    padding: 2rem 0;
  }
  
  .hero-text h1 {
    font-size: 1.75rem;
  }
  
  .section-header h2 {
    font-size: 1.75rem;
  }
  
  .btn {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }
}

/* WordPress Specific Styles */
.wp-block-group {
  margin-bottom: 2rem;
}

.wp-block-heading {
  margin-bottom: 1rem;
}

.wp-block-paragraph {
  margin-bottom: 1rem;
}

.wp-block-image {
  margin-bottom: 1rem;
}

.wp-block-image img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
}

/* Accessibility */
.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: #000;
  color: #fff;
  padding: 8px;
  text-decoration: none;
  z-index: 100000;
}

.skip-link:focus {
  top: 6px;
}

/* Print Styles */
@media print {
  .site-header,
  .nav-buttons,
  .ai-modal,
  .search-filter-section {
    display: none !important;
  }
  
  .site-footer {
    background: none !important;
    color: #000 !important;
  }
  
  .product-card,
  .feature-card,
  .category-card {
    break-inside: avoid;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
  }
}