:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --accent: #d97706;
  --accent-hover: #b45309;
  --accent-soft: #fef3c7;
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-sm: 6px;
  --shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 35px -5px rgba(15, 23, 42, 0.12);
  --transition: all 0.25s ease-in-out;
  --font-main: 'Noto Sans JP', sans-serif;
  --font-heading: 'Outfit', 'Noto Sans JP', sans-serif;
}

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

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

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

.skip-link {
  position: absolute;
  top: -60px;
  left: 20px;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top 0.2s;
  text-decoration: none;
}
.skip-link:focus {
  top: 20px;
}

.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;
}

@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;
  }
}

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

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

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--primary);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}
.brand-logo img {
  width: 40px;
  height: 40px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.98rem;
  position: relative;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--accent);
}
.nav-cta {
  background: var(--primary);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
}
.nav-cta:hover {
  background: var(--accent);
  color: #fff !important;
}

.burger-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--primary);
  cursor: pointer;
  padding: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-align: center;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.btn-secondary {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-secondary:hover {
  background: var(--primary);
  color: #fff;
}
.btn-block {
  width: 100%;
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 40px;
  background: var(--bg-main);
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-soft);
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 2.6rem;
  line-height: 1.35;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.hero-desc {
  font-size: 1.1rem;
  color: #cbd5e1;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-image-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 3px solid rgba(255, 255, 255, 0.1);
}
.hero-image-wrap img {
  width: 100%;
  height: 440px;
  object-fit: cover;
}

/* Stats */
.stats-bar {
  padding: 40px 0;
  margin-top: -20px;
  position: relative;
  z-index: 10;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  background: #fff;
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.stat-item {
  text-align: center;
  border-right: 1px solid var(--border);
}
.stat-item:last-child {
  border-right: none;
}
.stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-heading);
  display: block;
}
.stat-label {
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Section Common */
.section {
  padding: 80px 0;
}
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}
.section-tag {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  display: block;
}
.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.35;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-top: 14px;
}

/* Process Steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-card {
  background: var(--bg-card);
  padding: 32px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
}
.process-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}
.process-step {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 1.8rem;
  font-weight: 900;
  color: #f1f5f9;
  font-family: var(--font-heading);
}
.process-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: 1.5rem;
  margin-bottom: 20px;
}
.process-card h3 {
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 700;
}
.process-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Trust & Methodology */
.trust-block {
  background: #fff;
  border-radius: var(--radius);
  padding: 48px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.trust-item {
  display: flex;
  gap: 16px;
}
.trust-item-icon {
  color: var(--accent);
  font-size: 1.8rem;
  margin-top: 4px;
}
.trust-item h4 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 8px;
  font-weight: 700;
}
.trust-item p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.service-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.service-img-wrap {
  height: 240px;
  overflow: hidden;
}
.service-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.service-card:hover .service-img-wrap img {
  transform: scale(1.04);
}
.service-body {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.service-body h3 {
  font-size: 1.35rem;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 700;
}
.service-body p {
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}
.service-features {
  list-style: none;
  margin-bottom: 24px;
}
.service-features li {
  font-size: 0.9rem;
  color: var(--text-main);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.service-features li i {
  color: var(--accent);
}

/* Asymmetric Feature Block */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.feature-split.reverse {
  direction: rtl;
}
.feature-split.reverse .feature-content {
  direction: ltr;
}
.feature-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.feature-content h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 20px;
  line-height: 1.35;
}
.feature-content p {
  font-size: 1.02rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.75;
}
.feature-list {
  list-style: none;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.98rem;
  margin-bottom: 16px;
  color: var(--text-main);
}
.feature-list li i {
  color: var(--accent);
  margin-top: 4px;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
}
.pricing-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px 32px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}
.pricing-card.featured {
  border: 2px solid var(--accent);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
  z-index: 2;
}
.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 50px;
}
.pricing-card h3 {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 8px;
  font-weight: 700;
}
.pricing-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.pricing-price {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-heading);
  margin-bottom: 24px;
}
.pricing-price span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}
.pricing-list {
  list-style: none;
  margin-bottom: 32px;
  flex: 1;
}
.pricing-list li {
  font-size: 0.92rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-main);
}
.pricing-list li i {
  color: var(--accent);
}

/* Contact & Lead Form */
.form-section-wrap {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 60px;
  box-shadow: var(--shadow-lg);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: center;
}
.form-info h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.35;
}
.form-info p {
  color: #cbd5e1;
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 32px;
}
.form-guarantees {
  list-style: none;
}
.form-guarantees li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.95rem;
  color: #e2e8f0;
}
.form-guarantees li i {
  color: var(--accent);
}
.contact-form {
  background: #ffffff;
  padding: 40px;
  border-radius: var(--radius);
  color: var(--text-main);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary);
}
.form-group label .req {
  color: #ef4444;
  margin-left: 4px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-main);
  background: #f8fafc;
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: #fff;
  outline: none;
}
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.checkbox-group input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--accent);
}
.checkbox-group label {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.5;
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--primary);
  text-align: left;
  cursor: pointer;
}
.faq-question i {
  color: var(--accent);
  transition: transform 0.3s ease;
}
.faq-question[aria-expanded="true"] i {
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 24px 24px;
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.75;
  display: none;
}
.faq-answer.show {
  display: block;
}

/* Trust Layer */
.trust-layer {
  background: #f1f5f9;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}
.trust-layer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.trust-layer-col h4 {
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 700;
}
.trust-layer-col p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 8px;
}
.trust-layer-col a {
  font-weight: 600;
}

/* Footer */
.site-footer {
  background: var(--primary);
  color: #94a3b8;
  padding: 60px 0 30px;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand h3 {
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 14px;
}
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.98rem;
  margin-bottom: 16px;
  font-weight: 700;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  color: #94a3b8;
}
.footer-col ul a:hover {
  color: #fff;
}
.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: #64748b;
  line-height: 1.6;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 520px;
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius);
  padding: 24px;
  z-index: 9999;
  display: none;
}
.cookie-banner.active {
  display: block;
}
.cookie-banner h4 {
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 8px;
}
.cookie-banner p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}
.cookie-actions {
  display: flex;
  gap: 10px;
}
.cookie-btn {
  flex: 1;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
}
.cookie-accept {
  background: var(--accent);
  color: #fff;
}
.cookie-decline {
  background: #e2e8f0;
  color: var(--text-main);
}

/* Legal & Static Content Pages */
.page-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  padding: 60px 0;
  text-align: center;
}
.page-hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.page-hero p {
  color: #cbd5e1;
  font-size: 1.05rem;
}
.legal-content {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  margin: 48px 0;
}
.legal-content h2 {
  font-size: 1.4rem;
  color: var(--primary);
  margin: 32px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent-soft);
}
.legal-content h2:first-child {
  margin-top: 0;
}
.legal-content p, .legal-content ul {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}
.legal-content ul {
  padding-left: 24px;
}
.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}
.legal-table th, .legal-table td {
  padding: 16px;
  border: 1px solid var(--border);
  text-align: left;
  font-size: 0.92rem;
}
.legal-table th {
  background: #f8fafc;
  color: var(--primary);
  width: 28%;
  font-weight: 700;
}
.legal-table td {
  color: var(--text-main);
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid,
  .feature-split,
  .feature-split.reverse,
  .form-grid,
  .trust-layer-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item:nth-child(2) {
    border-right: none;
  }
  .process-grid,
  .trust-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .pricing-card.featured {
    transform: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    gap: 16px;
  }
  .main-nav.open {
    display: flex;
  }
  .burger-btn {
    display: block;
  }
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 1.95rem;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
  }
  .stat-item:last-child {
    border-bottom: none;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .form-section-wrap {
    padding: 32px 20px;
  }
  .contact-form {
    padding: 24px 16px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}