:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --accent: #d97706;
  --accent-hover: #b45309;
  --accent-soft: #fef3c7;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --border-focus: #d97706;
  --font-base: 'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Serif JP', serif;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --transition: all 0.25s ease-in-out;
  --radius: 12px;
}

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

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

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--accent);
  color: #fff;
  padding: 10px 20px;
  z-index: 9999;
  font-weight: 700;
  border-radius: 0 0 8px 8px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  background-color: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  color: #cbd5e1;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 0;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

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

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

.btn-header {
  background: var(--accent);
  color: #ffffff !important;
  padding: 10px 22px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.9rem;
}

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

.burger-btn {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* Mobile Drawer */
.mobile-nav {
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background: var(--primary);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-bottom: 2px solid var(--accent);
  transform: translateY(-150%);
  transition: transform 0.3s ease-in-out;
  z-index: 999;
}

.mobile-nav.open {
  transform: translateY(0);
}

.mobile-nav .nav-link {
  font-size: 1.1rem;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero-pattern {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(217, 119, 6, 0.15), transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(217, 119, 6, 0.2);
  border: 1px solid rgba(217, 119, 6, 0.5);
  color: #fbbf24;
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  line-height: 1.35;
  margin-bottom: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hero-lead {
  font-size: 1.15rem;
  color: #cbd5e1;
  margin-bottom: 36px;
  line-height: 1.9;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.4);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(217, 119, 6, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.hero-media {
  position: relative;
}

.hero-img-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid rgba(255, 255, 255, 0.1);
}

.hero-tag-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: #ffffff;
  color: var(--text-main);
  padding: 18px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-tag-card i {
  font-size: 2rem;
  color: var(--accent);
}

.hero-tag-text strong {
  display: block;
  font-size: 1.1rem;
  color: var(--primary);
}

.hero-tag-text span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Stats Section */
.stats-bar {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}

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

.stat-item h3 {
  font-size: 2.2rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 4px;
  font-family: var(--font-serif);
}

.stat-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Sections */
.section {
  padding: 90px 0;
}

.section-alt {
  background-color: #ffffff;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}

.section-subtitle {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

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

.step-card {
  background: #ffffff;
  padding: 32px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.step-number {
  font-size: 3rem;
  font-weight: 900;
  color: #f1f5f9;
  position: absolute;
  top: 12px;
  right: 16px;
  line-height: 1;
  font-family: var(--font-serif);
}

.step-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.step-card h4 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 700;
}

.step-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Services Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

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

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(217, 119, 6, 0.3);
}

.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(1.05);
}

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

.service-body h4 {
  font-size: 1.25rem;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 700;
}

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

.service-link {
  color: var(--accent);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
}

.service-link:hover {
  gap: 12px;
}

/* Feature Asymmetric Block */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.feature-img-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.feature-content h3 {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 20px;
}

.feature-list {
  list-style: none;
  margin: 28px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 1rem;
  color: var(--text-main);
}

.feature-list li i {
  color: var(--accent);
  font-size: 1.1rem;
  margin-top: 4px;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
}

.pricing-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.pricing-card.featured {
  border: 2px solid var(--accent);
  box-shadow: var(--shadow-xl);
  transform: scale(1.03);
  background: #ffffff;
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 18px;
  border-radius: 20px;
  letter-spacing: 0.05em;
}

.pricing-card h4 {
  font-size: 1.35rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.pricing-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
  min-height: 48px;
}

.price {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--primary);
  font-family: var(--font-serif);
  margin-bottom: 24px;
}

.price span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-features li {
  font-size: 0.92rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li i {
  color: var(--accent);
}

/* Trust Principles */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.principle-box {
  background: #ffffff;
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.principle-box i {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.principle-box h4 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.principle-box p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* Lead Form Section */
.form-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  padding: 90px 0;
}

.form-wrapper {
  max-width: 800px;
  margin: 0 auto;
  background: #ffffff;
  color: var(--text-main);
  padding: 48px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-xl);
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full {
  grid-column: span 2;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
  background: #f8fafc;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
}

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

.form-btn {
  width: 100%;
  padding: 16px;
  font-size: 1.1rem;
}

/* Accordion FAQ */
.accordion {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.accordion-item {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  padding: 22px 28px;
  text-align: left;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: inherit;
}

.accordion-header i {
  color: var(--accent);
  transition: transform 0.3s ease;
}

.accordion-item.active .accordion-header i {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding: 0 28px;
}

.accordion-item.active .accordion-body {
  padding-bottom: 24px;
}

.accordion-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* Trust Layer */
.trust-layer {
  background: #f1f5f9;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.trust-layer-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.trust-layer-title {
  font-weight: 700;
  color: var(--primary);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Footer */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 70px 0 30px;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h5 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
}

/* Legal Pages Styling */
.legal-page {
  padding: 70px 0 90px;
}

.legal-card {
  background: #ffffff;
  padding: 50px 60px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  max-width: 960px;
  margin: 0 auto;
}

.legal-card h1 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 20px;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 16px;
}

.legal-card h2 {
  font-size: 1.35rem;
  color: var(--primary);
  margin: 36px 0 14px;
  font-weight: 700;
}

.legal-card p, .legal-card li {
  color: #334155;
  font-size: 0.98rem;
  line-height: 1.9;
  margin-bottom: 14px;
}

.legal-card ul, .legal-card ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

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

.legal-table th {
  background: #f8fafc;
  color: var(--primary);
  width: 30%;
  font-weight: 700;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #0f172a;
  color: #cbd5e1;
  padding: 18px 24px;
  z-index: 10000;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.25);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: none;
}

.cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cookie-text {
  font-size: 0.88rem;
  line-height: 1.6;
}

.cookie-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.btn-cookie-accept {
  background: var(--accent);
  color: #fff;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
}

.btn-cookie-decline {
  background: transparent;
  color: #cbd5e1;
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid, .feature-split {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .services-grid, .pricing-grid, .principles-grid {
    grid-template-columns: 1fr 1fr;
  }
  .steps-grid, .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .main-nav {
    display: none;
  }
  .burger-btn {
    display: block;
  }
  .pricing-card.featured {
    transform: none;
  }
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 2rem;
  }
  .services-grid, .pricing-grid, .principles-grid, .steps-grid, .stats-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full {
    grid-column: span 1;
  }
  .cookie-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .cookie-actions {
    width: 100%;
    justify-content: flex-end;
  }
  .legal-card {
    padding: 30px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}