:root {
  --primary: #0f172a;
  --secondary: #1e293b;
  --accent: #d97706;
  --accent-hover: #b45309;
  --text: #1e293b;
  --text-muted: #64748b;
  --bg-light: #f8fafc;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --radius: 12px;
  --font: 'Noto Sans JP', 'Inter', sans-serif;
}

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

body {
  font-family: var(--font);
  color: var(--text);
  background-color: #ffffff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  z-index: 9999;
  transition: top 0.2s;
  text-decoration: none;
  font-weight: bold;
}
.skip-link:focus {
  top: 0;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: var(--accent-hover);
}

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

/* Header */
.site-header {
  background: var(--primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
}
.brand-logo img {
  width: 36px;
  height: 36px;
}
.main-nav {
  display: flex;
  gap: 24px;
}
.main-nav a {
  color: #cbd5e1;
  font-weight: 500;
  font-size: 0.95rem;
}
.main-nav a:hover, .main-nav a.active {
  color: #ffffff;
}
.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 600;
}
.nav-cta:hover {
  background: var(--accent-hover) !important;
}

.mobile-burger {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero */
.hero-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.hero-content h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  color: #ffffff;
}
.hero-content p {
  font-size: 1.1rem;
  color: #94a3b8;
  margin-bottom: 30px;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  background: var(--accent);
  color: #ffffff;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  display: inline-block;
  border: none;
  cursor: pointer;
  text-align: center;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #ffffff;
}
.btn-secondary {
  background: rgba(255,255,255,0.1);
  color: #ffffff;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.2);
  color: #ffffff;
}
.hero-img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  object-fit: cover;
  height: 380px;
}

/* Stats */
.stats-section {
  background: var(--bg-light);
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  text-align: center;
}
.stat-item .num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
}
.stat-item .label {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

/* Section Common */
.section {
  padding: 80px 0;
}
.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 50px auto;
  font-size: 1.05rem;
}

/* How It Works */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}
.step-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 30px;
  border-radius: var(--radius);
  text-align: center;
  position: relative;
}
.step-number {
  width: 50px;
  height: 50px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 auto 20px auto;
}

/* Trust / Core Values */
.trust-principles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
}
.principle-box {
  background: var(--bg-light);
  padding: 30px;
  border-radius: var(--radius);
  border-left: 5px solid var(--accent);
}
.principle-box h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}
.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.service-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.service-body {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.service-body h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}
.service-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Asymmetric Feature */
.feature-asymmetric {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: center;
}
.feature-asymmetric img {
  width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
  height: 400px;
}
.feature-list {
  list-style: none;
  margin-top: 20px;
}
.feature-list li {
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.feature-list i {
  color: var(--accent);
  margin-top: 4px;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  align-items: stretch;
}
.price-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card.popular {
  border: 2px solid var(--accent);
  box-shadow: 0 10px 30px rgba(217, 119, 6, 0.15);
}
.badge-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
}
.price-amount {
  font-size: 2.2rem;
  font-weight: 800;
  margin: 16px 0;
}
.price-features {
  list-style: none;
  margin: 20px 0;
  flex-grow: 1;
}
.price-features li {
  padding: 8px 0;
  border-bottom: 1px solid var(--bg-light);
  font-size: 0.95rem;
}

/* Form Section */
.form-section {
  background: var(--secondary);
  color: #fff;
  padding: 80px 0;
}
.form-container {
  max-width: 650px;
  margin: 0 auto;
  background: #ffffff;
  color: var(--text);
  padding: 40px;
  border-radius: var(--radius);
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.95rem;
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
}
.form-control:focus {
  outline: 2px solid var(--accent);
}
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  margin-bottom: 24px;
}

/* Accordion FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 16px;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px;
  background: var(--card-bg);
  border: none;
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.faq-answer {
  padding: 0 20px 20px 20px;
  display: none;
  color: var(--text-muted);
}
.faq-item.active .faq-answer {
  display: block;
}

/* Trust Layer (Footer Transparency) */
.trust-layer {
  background: #f1f5f9;
  border-top: 1px solid #cbd5e1;
  padding: 30px 0;
  font-size: 0.88rem;
  color: #475569;
}
.trust-layer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* Footer */
.site-footer {
  background: var(--primary);
  color: #94a3b8;
  padding: 50px 0 30px 0;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col a {
  color: #94a3b8;
}
.footer-col a:hover {
  color: #fff;
}
.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 24px;
  text-align: center;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #0f172a;
  color: #ffffff;
  padding: 20px;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
  z-index: 10000;
  display: none;
}
.cookie-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.cookie-btn-group {
  display: flex;
  gap: 12px;
}

@media (max-width: 768px) {
  .hero-grid, .feature-asymmetric, .trust-principles-grid, .trust-layer-inner {
    grid-template-columns: 1fr;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary);
    flex-direction: column;
    padding: 20px;
  }
  .main-nav.open {
    display: flex;
  }
  .mobile-burger {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}