:root {
  --primary: #0F172A;
  --primary-light: #1E293B;
  --accent: #D97706;
  --accent-hover: #B45309;
  --accent-soft: #FEF3C7;
  --bg-main: #FFFFFF;
  --bg-alt: #F8FAFC;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --border-color: #E2E8F0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: all 0.25s ease-in-out;
}

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

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

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

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 10px;
  background: var(--accent);
  color: #FFFFFF;
  padding: 8px 16px;
  text-decoration: none;
  font-weight: 700;
  z-index: 9999;
  border-radius: 4px;
  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);
  white-space: nowrap;
  border: 0;
}

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

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

/* Header & Navigation */
.site-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--primary);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.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(--primary-light);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}
.btn-nav {
  background-color: var(--primary);
  color: #FFFFFF !important;
  padding: 10px 20px;
  border-radius: 50px;
  transition: var(--transition);
}
.btn-nav:hover {
  background-color: var(--accent) !important;
}

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

/* Mobile Nav Drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: 76px;
  left: 0;
  right: 0;
  bottom: 0;
  background: #FFFFFF;
  padding: 30px 20px;
  z-index: 999;
  overflow-y: auto;
  border-top: 1px solid var(--border-color);
}
.mobile-nav.open {
  display: block;
}
.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.mobile-nav-links a {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  display: block;
  padding: 8px 0;
}

/* Hero Section */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  padding: 90px 0 80px;
  overflow: hidden;
}
.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image: radial-gradient(#FFFFFF 1px, transparent 1px);
  background-size: 24px 24px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(217, 119, 6, 0.2);
  border: 1px solid var(--accent);
  color: var(--accent-soft);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.hero-content h1 {
  font-size: 2.5rem;
  line-height: 1.35;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #CBD5E1;
  margin-bottom: 30px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--accent);
  color: #FFFFFF;
  padding: 14px 30px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: #FFFFFF;
  border: 1px solid #64748B;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  font-size: 1rem;
  transition: var(--transition);
}
.btn-secondary:hover {
  border-color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
}
.hero-media {
  position: relative;
}
.hero-media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: block;
}

/* Stats Ribbon */
.stats-section {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  padding: 40px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.stat-card .stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  margin-bottom: 6px;
}
.stat-card .stat-number span {
  color: var(--accent);
}
.stat-card .stat-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Section Common */
.section-padding {
  padding: 80px 0;
}
.section-alt {
  background-color: var(--bg-alt);
}
.section-title-wrap {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px;
}
.section-subtitle {
  color: var(--accent);
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.35;
  margin-bottom: 14px;
}
.section-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Process Section */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px 22px;
  position: relative;
  transition: var(--transition);
}
.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  font-size: 1.1rem;
  border-radius: 50%;
  margin-bottom: 20px;
}
.process-step h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--primary);
}
.process-step p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.service-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}
.service-body {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.service-body h3 {
  font-size: 1.25rem;
  color: var(--primary);
  margin-bottom: 12px;
  line-height: 1.4;
}
.service-body p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  line-height: 1.65;
  flex-grow: 1;
}
.service-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.service-link:hover {
  color: var(--accent-hover);
}

/* Split Feature */
.split-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.feature-image img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: block;
}
.feature-list {
  list-style: none;
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.feature-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.feature-list i {
  color: var(--accent);
  font-size: 1.2rem;
  margin-top: 4px;
}
.feature-list strong {
  color: var(--primary);
  display: block;
  font-size: 1.05rem;
}
.feature-list span {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}
.pricing-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.pricing-card.popular {
  border: 2px solid var(--accent);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}
.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--accent);
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: 50px;
  letter-spacing: 0.5px;
}
.pricing-card h3 {
  font-size: 1.35rem;
  color: var(--primary);
  margin-bottom: 8px;
}
.plan-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  min-height: 44px;
  margin-bottom: 20px;
}
.price-tag {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
}
.price-tag small {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}
.plan-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.plan-features li {
  font-size: 0.92rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}
.plan-features li i {
  color: var(--accent);
}
.btn-block {
  width: 100%;
  text-align: center;
  justify-content: center;
}

/* Form Section */
.form-section {
  background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
}
.form-box {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 44px;
  max-width: 760px;
  margin: 0 auto;
  box-shadow: var(--shadow-md);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group.full {
  grid-column: 1 / -1;
}
.form-group label {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background-color: #FFFFFF;
  transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}
.form-checkbox {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 24px;
}
.form-checkbox input {
  margin-top: 5px;
  width: 18px;
  height: 18px;
  cursor: pointer;
}
.form-checkbox label {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.form-checkbox a {
  color: var(--accent);
  text-decoration: underline;
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: #FFFFFF;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  padding: 20px 24px;
  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;
  gap: 16px;
}
.faq-question i {
  color: var(--accent);
  transition: transform 0.25s ease;
}
.faq-item.active .faq-question i {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}
.faq-item.active .faq-answer {
  padding-bottom: 20px;
}

/* Trust Layer */
.trust-layer {
  background-color: #0F172A;
  color: #94A3B8;
  padding: 40px 0;
  font-size: 0.88rem;
  border-top: 1px solid #1E293B;
  border-bottom: 1px solid #1E293B;
}
.trust-layer h4 {
  color: #FFFFFF;
  font-size: 1rem;
  margin-bottom: 12px;
  font-weight: 700;
}
.trust-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 30px;
}
.trust-disclaimer {
  font-size: 0.82rem;
  line-height: 1.6;
  color: #64748B;
  margin-top: 14px;
}

/* Footer */
.site-footer {
  background-color: #0B1120;
  color: #94A3B8;
  padding: 60px 0 30px;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand h3 {
  color: #FFFFFF;
  font-size: 1.25rem;
  margin-bottom: 12px;
}
.footer-brand p {
  line-height: 1.6;
  margin-bottom: 16px;
  font-size: 0.88rem;
}
.footer-col h4 {
  color: #FFFFFF;
  font-size: 1rem;
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: #94A3B8;
  text-decoration: none;
  transition: var(--transition);
}
.footer-links a:hover {
  color: #FFFFFF;
}
.footer-bottom {
  border-top: 1px solid #1E293B;
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: #64748B;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 600px;
  background: #0F172A;
  color: #FFFFFF;
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  border: 1px solid #334155;
  display: none;
}
.cookie-banner p {
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 16px;
  color: #CBD5E1;
}
.cookie-banner a {
  color: var(--accent-soft);
  text-decoration: underline;
}
.cookie-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}
.btn-cookie-accept {
  background: var(--accent);
  color: #FFFFFF;
  border: none;
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.88rem;
}
.btn-cookie-decline {
  background: transparent;
  color: #CBD5E1;
  border: 1px solid #475569;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.88rem;
}

/* Subpage Specific Content */
.page-hero {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  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: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 40px;
  margin-top: -30px;
  box-shadow: var(--shadow-sm);
}
.legal-content h2 {
  font-size: 1.4rem;
  color: var(--primary);
  margin: 32px 0 14px;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 8px;
}
.legal-content h2:first-of-type {
  margin-top: 0;
}
.legal-content p, .legal-content ul {
  font-size: 0.95rem;
  color: #334155;
  margin-bottom: 16px;
}
.legal-content ul {
  padding-left: 20px;
}
.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
.legal-table th, .legal-table td {
  border: 1px solid var(--border-color);
  padding: 14px 18px;
  font-size: 0.92rem;
  text-align: left;
}
.legal-table th {
  background-color: var(--bg-alt);
  color: var(--primary);
  width: 28%;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid, .split-feature, .stats-grid, .process-grid, .services-grid, .pricing-grid, .trust-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-section {
    padding: 60px 0;
  }
  .hero-content h1 {
    font-size: 2rem;
  }
  .pricing-card.popular {
    transform: none;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .burger-btn {
    display: block;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-box {
    padding: 24px;
  }
  .legal-content {
    padding: 24px;
  }
  .legal-table th, .legal-table td {
    display: block;
    width: 100%;
  }
  .legal-table th {
    border-bottom: none;
  }
}