:root {
  --primary-color: #1a365d;
  --secondary-color: #2c5282;
  --accent-color: #3182ce;
  --text-color: #2d3748;
  --text-light: #718096;
  --bg-color: #ffffff;
  --bg-light: #f7fafc;
  --bg-dark: #1a202c;
  --border-color: #e2e8f0;
  --success-color: #38a169;
  --error-color: #e53e3e;
  --font-family: 'Hiragino Kaku Gothic Pro', 'ヒラギノ角ゴ Pro W3', 'メイリオ', Meiryo, 'ＭＳ Ｐゴシック', sans-serif;
  --max-width: 1200px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.8;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

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

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

a:hover {
  color: var(--secondary-color);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--primary-color);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.header {
  background-color: var(--bg-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.logo span {
  color: var(--accent-color);
}

.nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--text-color);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--accent-color);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--primary-color);
  transition: transform 0.3s ease;
}

.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: #ffffff;
  padding: 8rem 0 5rem;
  margin-top: var(--header-height);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-text h1 {
  color: #ffffff;
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.hero-text p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  border-radius: 10px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: 5px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--secondary-color);
  color: #ffffff;
}

.btn-secondary {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
}

.btn-secondary:hover {
  background-color: #ffffff;
  color: var(--primary-color);
}

.btn-light {
  background-color: #ffffff;
  color: var(--primary-color);
}

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

.section {
  padding: 5rem 0;
}

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

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

.section-title h2 {
  margin-bottom: 1rem;
}

.section-title p {
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background-color: var(--bg-color);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.service-card img {
  border-radius: 5px;
  margin-bottom: 1.5rem;
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.service-card h3 {
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.feature-item {
  text-align: center;
  padding: 2rem;
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: #ffffff;
}

.feature-item h4 {
  margin-bottom: 0.75rem;
}

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

.lead-form-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: #ffffff;
  padding: 5rem 0;
}

.lead-form-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.lead-form-text h2 {
  color: #ffffff;
  margin-bottom: 1rem;
}

.lead-form-text p {
  opacity: 0.95;
  margin-bottom: 1.5rem;
}

.lead-form {
  background-color: var(--bg-color);
  padding: 2.5rem;
  border-radius: 10px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-color);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.2);
}

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
}

.form-checkbox label {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.5;
}

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

.form-disclaimer {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  background-color: var(--accent-color);
  color: #ffffff;
  font-size: 1.1rem;
}

.btn-submit:hover {
  background-color: var(--secondary-color);
}

.about-hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: #ffffff;
  padding: 8rem 0 4rem;
  margin-top: var(--header-height);
  text-align: center;
}

.about-hero h1 {
  color: #ffffff;
}

.about-content {
  padding: 5rem 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
}

.about-image img {
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.value-card {
  background-color: var(--bg-light);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
}

.value-card h4 {
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

.contact-section {
  padding: 5rem 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info {
  padding: 2rem;
  background-color: var(--bg-light);
  border-radius: 10px;
}

.contact-info-item {
  margin-bottom: 2rem;
}

.contact-info-item h4 {
  color: var(--secondary-color);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.contact-info-item p {
  color: var(--text-color);
}

.contact-info-item a {
  color: var(--accent-color);
}

.business-hours {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.map-container {
  margin-top: 3rem;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
  width: 100%;
  height: 300px;
  border: none;
}

.contact-form {
  background-color: var(--bg-color);
  padding: 2.5rem;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.page-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: #ffffff;
  padding: 8rem 0 4rem;
  margin-top: var(--header-height);
  text-align: center;
}

.page-header h1 {
  color: #ffffff;
  margin-bottom: 1rem;
}

.page-header p {
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.content-section {
  padding: 4rem 0;
}

.content-section h2 {
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-color);
}

.content-section h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.content-section ul,
.content-section ol {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.content-section li {
  margin-bottom: 0.5rem;
  list-style-type: disc;
}

.content-section ol li {
  list-style-type: decimal;
}

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

.cookie-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.cookie-table th,
.cookie-table td {
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  text-align: left;
}

.cookie-table th {
  background-color: var(--bg-light);
  font-weight: 600;
  color: var(--secondary-color);
}

.cookie-table tr:nth-child(even) {
  background-color: var(--bg-light);
}

.cookie-table td {
  color: var(--text-color);
}

.footer {
  background-color: var(--bg-dark);
  color: #ffffff;
  padding: 4rem 0 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  color: #ffffff;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.footer-nav h4,
.footer-links h4,
.footer-legal h4 {
  color: #ffffff;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.footer-nav ul li,
.footer-links ul li,
.footer-legal ul li {
  margin-bottom: 0.75rem;
}

.footer-nav a,
.footer-links a,
.footer-legal a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.footer-nav a:hover,
.footer-links a:hover,
.footer-legal a:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-disclaimer {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.footer-copyright {
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

.services-page-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  margin-top: 3rem;
}

.service-detail {
  display: flex;
  gap: 2rem;
  background-color: var(--bg-light);
  padding: 2rem;
  border-radius: 10px;
}

.service-detail img {
  width: 200px;
  height: 150px;
  object-fit: cover;
  border-radius: 5px;
  flex-shrink: 0;
}

.service-detail-content h3 {
  margin-bottom: 1rem;
}

.service-detail-content p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.service-detail-content ul {
  margin-left: 1.25rem;
}

.service-detail-content li {
  list-style-type: disc;
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

.accessibility-content {
  max-width: 900px;
  margin: 0 auto;
}

.accessibility-content h2 {
  margin-top: 2.5rem;
}

@media (max-width: 1199px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 991px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-image {
    order: -1;
  }
  
  .hero-text h1 {
    font-size: 2.5rem;
  }
  
  .lead-form-container {
    grid-template-columns: 1fr;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .services-page-grid {
    grid-template-columns: 1fr;
  }
  
  .service-detail {
    flex-direction: column;
  }
  
  .service-detail img {
    width: 100%;
    height: 200px;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .nav-list {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--bg-color);
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    gap: 0;
  }
  
  .nav-list.active {
    display: flex;
  }
  
  .nav-list li {
    border-bottom: 1px solid var(--border-color);
  }
  
  .nav-list li:last-child {
    border-bottom: none;
  }
  
  .nav-link {
    display: block;
    padding: 1rem 0;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero {
    min-height: auto;
    padding: 6rem 0 4rem;
  }
  
  .hero-text h1 {
    font-size: 2rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .values-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.35rem; }
  
  .section {
    padding: 3rem 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  .btn {
    padding: 0.75rem 1.5rem;
  }
  
  .lead-form {
    padding: 1.5rem;
  }
  
  .contact-form {
    padding: 1.5rem;
  }
}