:root {
  --primary: #1a2b4c;
  --primary-light: #2c426f;
  --accent: #c98a2c;
  --accent-hover: #a36d1e;
  --bg-light: #f8fafc;
  --bg-card: #ffffff;
  --text-dark: #0f172a;
  --text-muted: #475569;
  --border-color: #e2e8f0;
  --radius: 12px;
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
  --font-main: 'Noto Sans JP', sans-serif;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 10px;
  background: var(--accent);
  color: #fff;
  padding: 10px 15px;
  z-index: 1000;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 10px;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.4rem;
}

.logo-text {
  letter-spacing: -0.5px;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 24px;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--accent);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
}

.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #ffffff;
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.hero-subtitle {
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.hero-title {
  font-size: 2.5rem;
  line-height: 1.3;
  margin-bottom: 20px;
  font-weight: 700;
}

.hero-description {
  font-size: 1.05rem;
  color: #e2e8f0;
  margin-bottom: 30px;
  max-width: 540px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 2px solid transparent;
}

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

.btn-accent:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-outline {
  border-color: #ffffff;
  color: #ffffff;
  background: transparent;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 18px 32px;
  font-size: 1.1rem;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  object-fit: cover;
}

.stats-section {
  background: #ffffff;
  padding: 40px 0;
  border-bottom: 1px solid var(--border-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.section {
  padding: 90px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px auto;
}

.section-subtitle {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.section-title {
  font-size: 2rem;
  color: var(--primary);
  margin-top: 8px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  background: #ffffff;
  padding: 30px 20px;
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  position: relative;
}

.step-num {
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px auto;
  font-size: 1.1rem;
}

.step-card h3 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.trust-principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.principle-card {
  background: #ffffff;
  padding: 36px 28px;
  border-radius: var(--radius);
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow);
}

.principle-card i {
  font-size: 2.2rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.principle-card h3 {
  font-size: 1.25rem;
  color: var(--primary);
  margin-bottom: 12px;
}

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.service-card {
  background: #ffffff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.service-img {
  height: 220px;
  width: 100%;
  object-fit: cover;
}

.service-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-body h3 {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.service-body p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.feature-section {
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

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

.feature-img img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-list {
  list-style: none;
  margin-top: 20px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 1rem;
}

.feature-list i {
  color: var(--accent);
  margin-top: 4px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}

.price-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow);
}

.price-card.featured {
  border: 2px solid var(--accent);
  transform: scale(1.03);
}

.badge-popular {
  position: absolute;
  top: -14px;
  right: 20px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 20px;
}

.price-title {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.price-amount {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 20px;
}

.price-amount span {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 400;
}

.price-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.price-features li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--border-color);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.form-section {
  background: linear-gradient(135deg, #101a2e 0%, var(--primary) 100%);
  color: #ffffff;
  padding: 90px 0;
}

.form-wrapper {
  max-width: 700px;
  margin: 0 auto;
  background: #ffffff;
  color: var(--text-dark);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.form-wrapper h2 {
  font-size: 1.8rem;
  color: var(--primary);
  text-align: center;
  margin-bottom: 8px;
}

.form-wrapper p {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--primary);
}

.form-group label .required {
  color: #dc2626;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--bg-light);
  transition: border-color 0.2s ease;
}

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

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

.checkbox-group input {
  margin-top: 4px;
}

.checkbox-group label {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-muted);
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.faq-question {
  padding: 20px 24px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 0 24px 20px 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.trust-layer-section {
  background: #f1f5f9;
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
}

.trust-layer-box {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  background: #ffffff;
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.trust-icon {
  font-size: 2.2rem;
  color: var(--primary);
}

.trust-content h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.trust-content p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.trust-contact-info {
  font-weight: 700;
  color: var(--primary) !important;
}

.trust-disclaimer {
  font-size: 0.8rem !important;
  color: #94a3b8 !important;
  margin-bottom: 0 !important;
}

.site-footer {
  background: var(--primary);
  color: #cbd5e1;
  padding: 60px 0 30px 0;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.9rem;
  max-width: 360px;
  line-height: 1.6;
}

.footer-heading {
  color: #ffffff;
  font-size: 1rem;
  margin-bottom: 20px;
}

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

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

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: #94a3b8;
}

.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 500px;
  background: #ffffff;
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  padding: 20px;
  z-index: 999;
  border: 1px solid var(--border-color);
  display: none;
}

.cookie-content p {
  font-size: 0.88rem;
  color: var(--text-dark);
  margin-bottom: 14px;
}

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

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* Page Banner */
.page-banner {
  background: var(--primary);
  color: #ffffff;
  padding: 60px 0;
  text-align: center;
}

.page-title {
  font-size: 2.2rem;
  margin-bottom: 10px;
}

.page-subtitle {
  color: var(--accent);
  font-size: 1.05rem;
}

/* Legal content styling */
.legal-content {
  background: #ffffff;
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  margin: 40px 0;
}

.legal-content h2 {
  font-size: 1.4rem;
  color: var(--primary);
  margin: 28px 0 12px 0;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--bg-light);
}

.legal-content p, .legal-content li {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.legal-table th, .legal-table td {
  padding: 14px 18px;
  border: 1px solid var(--border-color);
  font-size: 0.92rem;
  text-align: left;
}

.legal-table th {
  background: var(--bg-light);
  color: var(--primary);
  width: 30%;
  font-weight: 700;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid, .feature-grid, .pricing-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid, .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .price-card.featured {
    transform: none;
  }
  .footer-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: #ffffff;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  }
  .main-nav.active {
    display: block;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 16px;
  }
  .hero-title {
    font-size: 1.8rem;
  }
  .services-grid, .trust-principles-grid, .form-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .trust-layer-box {
    flex-direction: column;
  }
}