@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

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

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

html {
  scroll-behavior: smooth;
  font-family: var(--font);
  color: var(--text-dark);
  background-color: #ffffff;
  line-height: 1.6;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 10px;
  background: var(--accent);
  color: #fff;
  padding: 10px 15px;
  z-index: 1000;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  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(--accent);
  outline-offset: 2px;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 15px 0;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.brand-logo img {
  width: 36px;
  height: 36px;
}

.nav-menu {
  display: flex;
  gap: 24px;
  list-style: none;
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: color 0.2s;
}

.nav-menu a:hover {
  color: var(--accent);
}

.btn-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
  display: inline-block;
  border: none;
  cursor: pointer;
}

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

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

/* Hero Section */
.hero-section {
  padding: 80px 0 60px;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  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;
  line-height: 1.3;
  margin-bottom: 20px;
  font-weight: 700;
}

.hero-content p {
  font-size: 1.1rem;
  color: #cbd5e1;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 10px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 500;
  transition: background 0.2s;
}

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

.hero-image-wrapper img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

/* Stats Section */
.stats-section {
  background: var(--bg-light);
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.stat-item h2 {
  font-size: 2.2rem;
  color: var(--accent);
  margin-bottom: 5px;
}

.stat-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Section Common */
.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.section-title p {
  color: var(--text-muted);
}

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

.process-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 20px;
  text-align: center;
}

.process-icon {
  width: 60px;
  height: 60px;
  background: #fef3c7;
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 20px;
}

.process-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.service-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card-body h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;

}

.service-card-body p {
  color: var(--text-muted);
  margin-bottom: 20px;
  flex: 1;
}

/* Asymmetrical Feature */
.asym-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.asym-image img {
  width: 100%;
  border-radius: var(--radius);
}

.asym-content ul {
  list-style: none;
  margin-top: 20px;
}

.asym-content li {
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.asym-content li i {
  color: var(--accent);
  margin-top: 4px;
}

/* Trust Principles */
.trust-principles {
  background: #f1f5f9;
  padding: 60px 0;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.principle-card {
  background: #fff;
  padding: 30px;
  border-radius: var(--radius);
  border-left: 4px solid var(--accent);
}

.principle-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 35px 25px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border: 2px solid var(--accent);
  box-shadow: 0 10px 25px -5px rgba(217, 119, 6, 0.2);
}

.badge-featured {
  position: absolute;
  top: -14px;
  right: 20px;
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
}

.pricing-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.pricing-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 30px;
  flex: 1;
}

.pricing-features li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.95rem;
}

/* Form Section */
.form-section {
  background: var(--primary);
  color: #fff;
  padding: 80px 0;
}

.form-wrapper {
  max-width: 650px;
  margin: 0 auto;
  background: var(--primary-light);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.95rem;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid #475569;
  background: #0f172a;
  color: #fff;
  font-size: 1rem;
  font-family: inherit;
}

.form-control:focus {
  border-color: var(--accent);
  outline: none;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: #cbd5e1;
}

.checkbox-group a {
  color: #38bdf8;
  text-decoration: underline;
}

.checkbox-group input {
  margin-top: 3px;
}

/* Accordion FAQ */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  background: #fff;
}

.faq-btn {
  width: 100%;
  text-align: left;
  padding: 20px;
  background: none;
  border: none;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-content {
  padding: 0 20px 20px;
  display: none;
  color: var(--text-muted);
}

.faq-item.active .faq-content {
  display: block;
}

.faq-item.active .faq-btn i {
  transform: rotate(180deg);
}

/* Trust Layer Footer Strip */
.trust-layer {
  background: #090d16;
  color: #94a3b8;
  padding: 30px 0;
  font-size: 0.85rem;
  border-top: 1px solid #1e293b;
}

.trust-layer-inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.trust-layer-title {
  color: #f1f5f9;
  font-weight: 700;
  font-size: 0.95rem;
}

/* Footer */
.site-footer {
  background: #030712;
  color: #64748b;
  padding: 40px 0 20px;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}

.footer-col h4 {
  color: #f8fafc;
  margin-bottom: 15px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-col ul a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 20px;
  text-align: center;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 500px;
  background: var(--primary);
  color: #fff;
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.5);
  z-index: 1000;
  display: none;
  font-size: 0.85rem;
  border: 1px solid #334155;
}

.cookie-actions {
  display: flex;
  gap: 10px;
  margin-top: 15px;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid, .asym-grid, .pricing-grid, .services-grid, .principles-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid, .process-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 67px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 30px;
    border-bottom: 1px solid var(--border);
    display: none;
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
  }
  .nav-menu.active {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .stats-grid, .process-grid {
    grid-template-columns: 1fr;
  }
}

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