:root {
  --color-bg: #FAF9F6;
  --color-surface: #FFFFFF;
  --color-primary: #1A2433;
  --color-primary-light: #2C3E55;
  --color-accent: #C59B27;
  --color-accent-hover: #AF851A;
  --color-text: #2D3748;
  --color-text-muted: #64748B;
  --color-border: #E2E8F0;
  --color-border-light: #F1F5F9;
  --color-success: #2E7D32;
  --font-base: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 18px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 28px rgba(0,0,0,0.1);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.25s ease-in-out;
}

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

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

body {
  font-family: var(--font-base);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 10px;
  background: var(--color-accent);
  color: #FFFFFF;
  padding: 8px 16px;
  z-index: 10000;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 700;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 10px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Layout */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 800;
  font-size: 1.35rem;
}
.brand-logo img {
  width: 38px;
  height: 38px;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}
.nav-links a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}
.header-cta {
  background-color: var(--color-primary);
  color: #FFFFFF !important;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: var(--transition);
}
.header-cta:hover {
  background-color: var(--color-accent) !important;
}
.burger-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--color-primary);
  cursor: pointer;
  padding: 6px;
}

/* Mobile Nav Drawer */
.mobile-nav {
  position: fixed;
  top: 76px;
  left: 0;
  width: 100%;
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  display: none;
  flex-direction: column;
  gap: 18px;
  z-index: 999;
}
.mobile-nav.is-open {
  display: flex;
}
.mobile-nav a {
  text-decoration: none;
  color: var(--color-primary);
  font-size: 1.05rem;
  font-weight: 600;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border-light);
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, #1A2433 0%, #2A3B54 100%);
  color: #FFFFFF;
  padding: 90px 0 100px;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: radial-gradient(circle at 80% 20%, rgba(197, 155, 39, 0.15) 0%, transparent 60%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-block;
  background: rgba(197, 155, 39, 0.2);
  border: 1px solid var(--color-accent);
  color: #F8D98C;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.hero-title {
  font-size: 2.5rem;
  line-height: 1.35;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.hero-desc {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #E2E8F0;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}
.btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
}
.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.4);
  color: #FFFFFF;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #FFFFFF;
}
.hero-media {
  position: relative;
}
.hero-media img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: block;
}

/* Stats Section */
.stats-bar {
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  padding: 36px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item h3 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 4px;
}
.stat-item p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* Section Common */
.section {
  padding: 80px 0;
}
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-tag {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  display: block;
}
.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.4;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

/* Steps / How it works */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-card {
  background: #FFFFFF;
  padding: 32px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  position: relative;
  transition: var(--transition);
}
.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.step-num {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-accent);
  background: rgba(197, 155, 39, 0.12);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-bottom: 20px;
}
.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.step-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.service-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: #CBD5E1;
}
.service-img {
  height: 220px;
  overflow: hidden;
}
.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.service-card:hover .service-img img {
  transform: scale(1.04);
}
.service-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.service-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.service-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  flex: 1;
}
.service-features {
  list-style: none;
  margin-bottom: 20px;
}
.service-features li {
  font-size: 0.88rem;
  color: var(--color-text);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.service-features li i {
  color: var(--color-accent);
}

/* Features Asymmetric */
.features-box {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.features-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.features-content {
  padding: 50px;
}
.feature-point {
  margin-bottom: 24px;
}
.feature-point h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.feature-point h4 i {
  color: var(--color-accent);
}
.feature-point p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  padding-left: 28px;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}
.pricing-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 40px 30px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.pricing-card.featured {
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}
.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 50px;
}
.pricing-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.pricing-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  min-height: 44px;
  margin-bottom: 20px;
}
.pricing-price {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border-light);
}
.pricing-price span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
}
.pricing-list {
  list-style: none;
  margin-bottom: 30px;
  flex: 1;
}
.pricing-list li {
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.pricing-list li i {
  color: var(--color-success);
}

/* Form Section */
.form-wrap {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 48px;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: var(--shadow-md);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.form-group label .req {
  color: #D32F2F;
  margin-left: 4px;
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text);
  background-color: #FAFAFA;
  transition: var(--transition);
}
.form-control:focus {
  background-color: #FFFFFF;
  border-color: var(--color-accent);
}
textarea.form-control {
  resize: vertical;
  min-height: 120px;
}
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
}
.form-check input[type="checkbox"] {
  margin-top: 5px;
  accent-color: var(--color-accent);
  width: 18px;
  height: 18px;
}
.form-check label {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}
.form-check label a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* FAQ Section */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 22px 28px;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-question i {
  color: var(--color-accent);
  transition: transform 0.25s ease;
}
.faq-question.is-active i {
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 28px 24px;
  display: none;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  border-top: 1px solid var(--color-border-light);
  padding-top: 16px;
}

/* Trust Layer (Universal) */
.trust-layer {
  background: #ECEFF3;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 44px 0;
  font-size: 0.88rem;
  color: #475569;
}
.trust-layer-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.trust-layer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 30px;
}
.trust-layer a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Footer */
.site-footer {
  background-color: var(--color-primary);
  color: #94A3B8;
  padding: 60px 0 30px;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand h3 {
  color: #FFFFFF;
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.footer-links {
  list-style: none;
}
.footer-links h4 {
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: #CBD5E1;
  text-decoration: none;
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--color-accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: #64748B;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  right: 20px;
  max-width: 440px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: 22px;
  z-index: 9999;
  display: none;
}
.cookie-banner.is-visible {
  display: block;
}
.cookie-banner p {
  font-size: 0.85rem;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.6;
}
.cookie-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}
.btn-sm {
  padding: 8px 16px;
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
}

/* Legal & Static Content Pages */
.page-hero {
  background: var(--color-primary);
  color: #FFFFFF;
  padding: 60px 0;
  text-align: center;
}
.page-hero h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 10px;
}
.legal-content {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 48px;
  margin: 40px auto;
  max-width: 900px;
}
.legal-content h2 {
  font-size: 1.4rem;
  color: var(--color-primary);
  margin: 32px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border-light);
}
.legal-content h2:first-child {
  margin-top: 0;
}
.legal-content p, .legal-content li {
  font-size: 0.95rem;
  line-height: 1.8;
  color: #475569;
  margin-bottom: 12px;
}
.legal-content ul, .legal-content ol {
  padding-left: 24px;
  margin-bottom: 18px;
}
.table-legal {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
.table-legal th, .table-legal td {
  border: 1px solid var(--color-border);
  padding: 14px 18px;
  text-align: left;
  font-size: 0.92rem;
}
.table-legal th {
  background: #F8FAFC;
  color: var(--color-primary);
  font-weight: 700;
  width: 30%;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid, .features-box, .pricing-grid, .stats-grid, .steps-grid, .services-grid, .footer-grid, .trust-layer-grid {
    grid-template-columns: 1fr;
  }
  .pricing-card.featured {
    transform: none;
  }
  .features-content {
    padding: 30px;
  }
}
@media (max-width: 768px) {
  .nav-links, .header-cta {
    display: none;
  }
  .burger-btn {
    display: block;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .form-wrap, .legal-content {
    padding: 24px;
  }
  .hero-title {
    font-size: 1.9rem;
  }
}