:root {
  --primary-color: #1b2a4a;
  --accent-color: #c59b27;
  --accent-hover: #a37f1e;
  --bg-light: #f8f9fa;
  --text-color: #2c3e50;
  --text-muted: #6c757d;
  --border-color: #e9ecef;
  --card-shadow: 0 10px 30px rgba(0,0,0,0.05);
  --transition-speed: 0.3s;
}

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

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text-color);
  background-color: #ffffff;
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent-color);
  color: #fff;
  padding: 8px 16px;
  z-index: 1000;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-speed);
}
a:hover {
  color: var(--accent-color);
}

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

/* Header */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}
.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary-color);
}
.logo-area img {
  width: 40px;
  height: 40px;
}
.main-nav ul {
  display: flex;
  list-style: none;
  gap: 25px;
}
.main-nav a {
  font-weight: 500;
  font-size: 0.95rem;
}

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

/* Hero Section */
.hero {
  padding: 80px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.hero-content h1 {
  font-size: 2.3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  line-height: 1.3;
}
.hero-content p {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 30px;
}
.btn {
  display: inline-block;
  padding: 14px 32px;
  background-color: var(--accent-color);
  color: #ffffff;
  border-radius: 6px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-speed);
}
.btn:hover {
  background-color: var(--accent-hover);
  color: #ffffff;
}
.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--card-shadow);
}

/* Stats */
.stats-section {
  padding: 50px 0;
  background: var(--primary-color);
  color: #ffffff;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-item h3 {
  font-size: 2.2rem;
  color: var(--accent-color);
  margin-bottom: 5px;
}

/* Sections */
.section {
  padding: 80px 0;
}
.section-title {
  text-align: center;
  margin-bottom: 50px;
}
.section-title h2 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 10px;
}
.section-title p {
  color: var(--text-muted);
}

/* Cards Grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 30px;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-speed);
}
.card:hover {
  transform: translateY(-5px);
}
.card-icon {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 20px;
}
.card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

/* Services Page Card Img */
.service-img-card {
  overflow: hidden;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
}
.service-img-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.service-img-card .card-body {
  padding: 25px;
}

/* Asymmetric Feature */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-top: 40px;
}
.feature-row img {
  width: 100%;
  border-radius: 12px;
  box-shadow: var(--card-shadow);
}
.feature-list {
  list-style: none;
  margin-top: 20px;
}
.feature-list li {
  margin-bottom: 15px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.feature-list i {
  color: var(--accent-color);
  font-size: 1.2rem;
  margin-top: 4px;
}

/* Pricing */
.pricing-card {
  background: #ffffff;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 40px 30px;
  text-align: center;
  position: relative;
}
.pricing-card.featured {
  border-color: var(--accent-color);
  box-shadow: 0 15px 35px rgba(197, 155, 39, 0.15);
}
.popular-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-color);
  color: #fff;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: bold;
}
.price {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 20px 0;
}

/* Form Section */
.form-section {
  background: var(--bg-light);
  border-radius: 16px;
  padding: 50px;
  max-width: 800px;
  margin: 0 auto;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
}
.form-control:focus {
  outline: none;
  border-color: var(--accent-color);
}
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
}

/* FAQ Accordion */
.accordion-item {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  background: #fff;
}
.accordion-header {
  width: 100%;
  text-align: left;
  padding: 20px;
  background: none;
  border: none;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-color);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.accordion-body {
  padding: 0 20px 20px 20px;
  display: none;
  color: var(--text-muted);
}

/* Trust Layer */
.trust-layer {
  background: #f1f3f5;
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.trust-inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 30px;
}

/* Footer */
.site-footer {
  background: var(--primary-color);
  color: #a0aec0;
  padding: 60px 0 30px;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-logo {
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 15px;
}
.footer-links h4 {
  color: #fff;
  margin-bottom: 15px;
}
.footer-links ul {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: #a0aec0;
}
.footer-links a:hover {
  color: var(--accent-color);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #ffffff;
  border-top: 2px solid var(--accent-color);
  box-shadow: 0 -5px 25px rgba(0,0,0,0.1);
  padding: 20px;
  z-index: 1000;
  display: none;
}
.cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

@media (max-width: 768px) {
  .hero-grid, .feature-row, .grid-3, .stats-grid, .footer-grid, .trust-inner {
    grid-template-columns: 1fr;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 20px;
  }
  .main-nav.active {
    display: block;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 15px;
  }
  .nav-toggle {
    display: block;
  }
  .cookie-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}