@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&display=swap');

:root {
  --primary: #1E293B;
  --primary-light: #334155;
  --accent: #D97706;
  --accent-hover: #B45309;
  --secondary: #38BDF8;
  --bg-light: #F8FAFC;
  --surface: #FFFFFF;
  --text-dark: #0F172A;
  --text-muted: #475569;
  --border: #E2E8F0;
  --radius: 12px;
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
}

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

body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.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;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 10px;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  z-index: 10000;
  transition: top 0.2s;
  text-decoration: none;
  border-radius: 4px;
}
.skip-link:focus {
  top: 10px;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Nav */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--primary);
}
.logo img {
  width: 40px;
  height: 40px;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}
.main-nav a {
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.95rem;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--accent);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-weight: 700;
  border-radius: var(--radius);
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}
.btn-primary {
  background: var(--accent);
  color: #FFFFFF;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.btn-secondary {
  background: var(--primary);
  color: #FFFFFF;
}
.btn-secondary:hover {
  background: var(--primary-light);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  color: #FFFFFF;
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}
.hero-pattern {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  opacity: 0.05;
  background-image: radial-gradient(#FFFFFF 1px, transparent 1px);
  background-size: 24px 24px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-block;
  background: rgba(217, 119, 6, 0.2);
  border: 1px solid var(--accent);
  color: #FBBF24;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 2.6rem;
  line-height: 1.35;
  margin-bottom: 24px;
  font-weight: 900;
}
.hero p {
  font-size: 1.1rem;
  color: #94A3B8;
  margin-bottom: 32px;
}
.hero-img-wrapper {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 2px solid rgba(255,255,255,0.1);
}
.hero-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Stats */
.stats {
  background: var(--surface);
  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 h3 {
  font-size: 2.2rem;
  color: var(--accent);
  font-weight: 900;
}
.stat-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Section Common */
.section {
  padding: 80px 0;
}
.section-title {
  text-align: center;
  margin-bottom: 50px;
}
.section-title h2 {
  font-size: 2.1rem;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 900;
}
.section-title p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* How It Works */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step-card {
  background: var(--surface);
  padding: 30px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: center;
  position: relative;
}
.step-number {
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: #FFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  margin: 0 auto 20px;
}

/* Services Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.service-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.service-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.service-content {
  padding: 28px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.service-content h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
  color: var(--primary);
}
.service-content p {
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Feature Asymmetric */
.feature-box {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.feature-text {
  padding: 50px;
}
.feature-text h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--primary);
}
.feature-list {
  list-style: none;
  margin-top: 20px;
}
.feature-list li {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-dark);
}
.feature-list i {
  color: var(--accent);
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}
.price-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card.popular {
  border: 2px solid var(--accent);
  box-shadow: var(--shadow);
  transform: scale(1.03);
}
.popular-tag {
  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-val {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--primary);
  margin: 16px 0;
}

/* Form Section */
.form-section {
  background: var(--primary);
  color: #FFF;
  padding: 80px 0;
}
.form-container {
  max-width: 650px;
  margin: 0 auto;
  background: var(--surface);
  color: var(--text-dark);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
  font-size: 0.95rem;
}
.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

/* Trust Layer */
.trust-layer {
  background: #0F172A;
  color: #94A3B8;
  padding: 36px 0;
  border-top: 1px solid #334155;
  font-size: 0.85rem;
}
.trust-layer-box {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 24px;
  border-radius: var(--radius);
}
.trust-layer-title {
  color: #FFF;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Footer */
footer {
  background: #0B0F17;
  color: #64748B;
  padding: 50px 0 30px;
  border-top: 1px solid #1E293B;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: #FFF;
  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: var(--accent);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  right: 20px;
  left: 20px;
  max-width: 500px;
  background: var(--primary);
  color: #FFF;
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: 0 20px 30px rgba(0,0,0,0.3);
  z-index: 9999;
  display: none;
  font-size: 0.88rem;
  border: 1px solid #334155;
}
.cookie-buttons {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

@media (max-width: 992px) {
  .hero-grid, .feature-box { grid-template-columns: 1fr; }
  .services-grid, .pricing-grid { grid-template-columns: 1fr; }
  .stats-grid, .steps-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .mobile-burger { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 80px; left: 0; right: 0;
    background: var(--surface);
    padding: 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .main-nav.active { display: block; }
  .main-nav ul { flex-direction: column; gap: 16px; align-items: flex-start; }
  .stats-grid, .steps-grid { grid-template-columns: 1fr; }
}

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