* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #1a365d;
  --primary-light: #2c5282;
  --secondary: #4a5568;
  --text: #2d3748;
  --text-light: #718096;
  --bg: #ffffff;
  --bg-light: #f7fafc;
  --border: #e2e8f0;
  --success: #38a169;
  --error: #e53e3e;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: var(--primary-light);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--primary);
}

.logo svg {
  width: 40px;
  height: 40px;
}

.nav {
  display: flex;
  gap: 30px;
}

.nav a {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
}

.nav a:hover {
  color: var(--primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
}

.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: 0.3s;
}

.hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg) 100%);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
  line-height: 1.3;
}

.hero p {
  font-size: 1.1rem;
  color: var(--secondary);
  margin-bottom: 30px;
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.badge {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--secondary);
}

.hero-cta {
  display: inline-block;
  background: var(--primary);
  color: var(--bg);
  padding: 15px 40px;
  border-radius: 5px;
  font-weight: 600;
  transition: background 0.3s;
}

.hero-cta:hover {
  background: var(--primary-light);
  color: var(--bg);
}

.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-light);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  text-align: center;
  margin-bottom: 50px;
}

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

.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 30px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 5px;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-content h2 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 20px;
  margin-top: 40px;
}

.about-content h2:first-child {
  margin-top: 0;
}

.about-content p {
  color: var(--secondary);
  margin-bottom: 20px;
}

.values-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.values-list li {
  background: var(--bg-light);
  padding: 20px;
  border-radius: 8px;
  border-left: 3px solid var(--primary);
}

.values-list li strong {
  color: var(--primary);
  display: block;
  margin-bottom: 5px;
}

.lead-form {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 40px;
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
}

.checkbox-group label {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-light);
}

.checkbox-group label a {
  color: var(--primary);
  text-decoration: underline;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: var(--bg);
  padding: 15px 40px;
  border: none;
  border-radius: 5px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
  font-family: inherit;
}

.btn:hover {
  background: var(--primary-light);
}

.btn-full {
  width: 100%;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  background: var(--bg-light);
  padding: 40px;
  border-radius: 8px;
}

.contact-info h3 {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 30px;
}

.contact-item {
  margin-bottom: 20px;
}

.contact-item strong {
  display: block;
  color: var(--text);
  margin-bottom: 5px;
}

.contact-item p,
.contact-item a {
  color: var(--text-light);
}

.map-container {
  border-radius: 8px;
  overflow: hidden;
  height: 300px;
  margin-top: 30px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 15px;
  margin-top: 40px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content h3 {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 10px;
  margin-top: 25px;
}

.legal-content p {
  color: var(--secondary);
  margin-bottom: 15px;
}

.legal-content ul {
  margin-left: 20px;
  margin-bottom: 20px;
}

.legal-content ul li {
  color: var(--secondary);
  margin-bottom: 8px;
}

.cookie-categories {
  display: grid;
  gap: 20px;
  margin: 30px 0;
}

.cookie-category {
  background: var(--bg-light);
  padding: 25px;
  border-radius: 8px;
}

.cookie-category h4 {
  color: var(--primary);
  margin-bottom: 10px;
}

.cookie-category p {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 0;
}

.footer {
  background: var(--primary);
  color: var(--bg);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.footer-logo svg {
  width: 35px;
  height: 35px;
}

.footer p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.footer h4 {
  font-size: 1rem;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--bg);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  text-align: center;
}

.footer-disclaimer {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 15px;
}

.footer-copyright {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 20px;
  z-index: 9999;
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.1);
  display: none;
}

.cookie-banner.active {
  display: block;
}

.cookie-banner-content {
  max-width: 1200px;
  margin: 0 auto;
}

.cookie-banner h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.cookie-banner p {
  color: var(--secondary);
  font-size: 0.9rem;
  margin-bottom: 15px;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cookie-btn {
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg);
  cursor: pointer;
  font-size: 0.9rem;
  font-family: inherit;
  transition: all 0.3s;
}

.cookie-btn:hover {
  background: var(--bg-light);
}

.cookie-btn.primary {
  background: var(--primary);
  color: var(--bg);
  border-color: var(--primary);
}

.cookie-btn.primary:hover {
  background: var(--primary-light);
}

.cookie-settings {
  display: none;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.cookie-settings.active {
  display: block;
}

.cookie-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid var(--border);
}

.cookie-option:last-child {
  border-bottom: none;
}

.cookie-option-info h4 {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 5px;
}

.cookie-option-info p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 0;
}

.toggle-switch {
  position: relative;
  width: 50px;
  height: 26px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border);
  transition: 0.3s;
  border-radius: 26px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: var(--bg);
  transition: 0.3s;
  border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--primary);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(24px);
}

.toggle-switch input:disabled + .toggle-slider {
  opacity: 0.5;
  cursor: not-allowed;
}

.page-header {
  background: var(--bg-light);
  padding: 120px 0 60px;
  text-align: center;
}

.page-header h1 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 15px;
}

.page-header p {
  color: var(--secondary);
  font-size: 1rem;
}

.business-model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.business-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 30px;
}

.business-card h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 15px;
}

.business-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.accessibility-section {
  margin-bottom: 40px;
}

.accessibility-section h3 {
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 15px;
}

.accessibility-section p {
  color: var(--secondary);
  margin-bottom: 10px;
}

.accessibility-section ul {
  margin-left: 20px;
  margin-bottom: 15px;
}

.accessibility-section ul li {
  color: var(--secondary);
  margin-bottom: 8px;
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
    flex-direction: column;
    padding: 20px;
    gap: 15px;
  }

  .nav.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .lead-form {
    padding: 25px;
  }

  .cookie-banner {
    padding: 15px;
  }

  .cookie-buttons {
    flex-direction: column;
  }

  .cookie-btn {
    width: 100%;
  }

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

@media (max-width: 480px) {
  .hero {
    padding: 120px 0 60px;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .badge {
    font-size: 0.8rem;
    padding: 6px 12px;
  }
}