:root {
  --primary: #0A192F;
  --primary-light: #172A45;
  --accent: #D4AF37;
  --accent-hover: #F59E0B;
  --text: #2D3748;
  --text-light: #718096;
  --bg-light: #F7FAFC;
  --white: #FFFFFF;
  --border: #E2E8F0;
  --error: #E53E3E;
  --success: #38A169;
  --font-sans: 'Noto Sans JP', 'Open Sans', sans-serif;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

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

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

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

/* Header */
.header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}
.logo-link {
  display: flex;
  align-items: center;
}
.logo-img {
  display: block;
}
.nav {
  display: flex;
  gap: 24px;
  align-items: center;
}
.nav-link {
  text-decoration: none;
  color: var(--primary);
  font-weight: 500;
  transition: color 0.3s;
}
.nav-link:hover {
  color: var(--accent);
}
.cta-btn-nav {
  background: var(--primary);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 4px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s;
  border: 2px solid var(--primary);
}
.cta-btn-nav:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--primary);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--primary);
}

/* Hero Section */
.hero {
  padding: 80px 0;
  background: linear-gradient(135deg, #0A192F 0%, #172A45 100%);
  color: var(--white);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}
.hero-content h1 {
  font-size: 2.5rem;
  line-height: 1.4;
  font-weight: 700;
  margin-bottom: 24px;
}
.hero-content h1 span {
  color: var(--accent);
}
.hero-content p {
  font-size: 1.05rem;
  margin-bottom: 32px;
  color: #E2E8F0;
}
.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}
.cta-group {
  display: flex;
  gap: 16px;
  align-items: center;
}
.cta-btn-main {
  background: var(--accent);
  color: var(--primary);
  padding: 16px 32px;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.3s;
  display: inline-block;
  border: 2px solid var(--accent);
  text-align: center;
}
.cta-btn-main:hover {
  background: transparent;
  color: var(--accent);
}
.trust-strip {
  margin-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
}
.trust-items {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: #A0AEC0;
}

/* Value Prop (Benefits) Section */
.benefits {
  padding: 80px 0;
  background: var(--bg-light);
}
.section-title {
  text-align: center;
  margin-bottom: 50px;
}
.section-title h2 {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 16px;
}
.section-title p {
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.benefit-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}
.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.benefit-icon {
  margin-bottom: 24px;
  color: var(--accent);
  width: 48px;
  height: 48px;
}
.benefit-card h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
  color: var(--primary);
}
.benefit-card p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* Services / Features Section */
.services {
  padding: 80px 0;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-top: 50px;
}
.service-item {
  display: flex;
  gap: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  padding: 30px;
  border-radius: 8px;
}
.service-img {
  width: 120px;
  height: 120px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}
.service-content h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
  color: var(--primary);
}
.service-content p {
  font-size: 0.95rem;
  color: var(--text-light);
}

/* How It Works Section */
.how-it-works {
  padding: 80px 0;
  background: var(--bg-light);
}
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 50px;
}
.timeline-step {
  background: var(--white);
  padding: 30px;
  border-radius: 8px;
  border-top: 4px solid var(--primary);
  position: relative;
  box-shadow: var(--shadow);
}
.step-number {
  font-size: 3rem;
  font-weight: 800;
  color: rgba(10, 25, 47, 0.05);
  position: absolute;
  top: 10px;
  right: 20px;
  line-height: 1;
}
.timeline-step h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--primary);
  position: relative;
  z-index: 1;
}
.timeline-step p {
  font-size: 0.9rem;
  color: var(--text-light);
  position: relative;
  z-index: 1;
}

/* Social Proof (Testimonials) Section */
.testimonials {
  padding: 80px 0;
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 40px 30px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.testimonial-text {
  font-style: italic;
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 24px;
}
.testimonial-user {
  display: flex;
  align-items: center;
  gap: 12px;
}
.user-avatar {
  background: var(--primary);
  color: var(--accent);
  font-weight: bold;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.user-info h4 {
  font-size: 0.95rem;
  color: var(--primary);
}
.user-info p {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* FAQ Section */
.faq {
  padding: 80px 0;
  background: var(--bg-light);
}
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 16px;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  padding: 24px 30px;
  text-align: left;
  background: var(--white);
  border: none;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s;
}
.faq-question:hover {
  background: rgba(10, 25, 47, 0.02);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding: 0 30px;
  background: var(--white);
}
.faq-answer p {
  padding-bottom: 24px;
  color: var(--text-light);
  line-height: 1.7;
}
.faq-icon {
  width: 24px;
  height: 24px;
  transition: transform 0.3s;
}
.faq-item.active .faq-answer {
  max-height: 500px;
}
.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

/* About Section */
.about {
  padding: 80px 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.about-content h2 {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 24px;
}
.about-content p {
  margin-bottom: 20px;
  color: var(--text-light);
  font-size: 0.95rem;
}
.about-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

/* Form Section */
.form-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #0A192F 0%, #172A45 100%);
  color: var(--white);
  scroll-margin-top: 80px;
}
.form-section-container {
  max-width: 600px;
  margin: 0 auto;
}
.form-intro {
  text-align: center;
  margin-bottom: 40px;
}
.form-intro h2 {
  font-size: 2.2rem;
  color: var(--white);
  margin-bottom: 16px;
}
.form-intro p {
  color: #E2E8F0;
}
.main-form {
  background: var(--white);
  padding: 40px;
  border-radius: 8px;
  color: var(--text);
  box-shadow: var(--shadow-lg);
}
.form-row {
  display: flex;
  gap: 15px;
}
.form-group {
  margin-bottom: 24px;
}
.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--primary);
  font-size: 0.95rem;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 1rem;
  transition: border-color 0.3s;
}
.form-group input:focus {
  border-color: var(--accent);
  outline: none;
}
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
}
.form-checkbox input {
  margin-top: 4px;
}
.form-checkbox label {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.5;
}
.form-checkbox a {
  color: var(--primary);
  text-decoration: underline;
}
.form-submit-btn {
  width: 100%;
  background: var(--accent);
  color: var(--primary);
  border: none;
  padding: 16px;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.3s;
}
.form-submit-btn:hover {
  background: var(--accent-hover);
}
.form-reassurance {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 16px;
}
.form-status {
  display: none;
  padding: 15px;
  margin-top: 20px;
  border-radius: 4px;
  text-align: center;
  font-weight: 600;
}
.form-status.success {
  background: rgba(56, 161, 105, 0.15);
  color: var(--success);
  border: 1px solid var(--success);
}
.form-status.error {
  background: rgba(229, 62, 99, 0.15);
  color: var(--error);
  border: 1px solid var(--error);
}

/* Footer */
.footer {
  background: #060D1A;
  color: #A0AEC0;
  padding: 60px 0 30px 0;
  font-size: 0.85rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand h3 {
  color: var(--white);
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.footer-brand p {
  line-height: 1.6;
}
.footer-links h4 {
  color: var(--white);
  margin-bottom: 16px;
}
.footer-links ul {
  list-style: none;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  color: #A0AEC0;
  text-decoration: none;
  transition: color 0.3s;
}
.footer-links a:hover {
  color: var(--white);
}
.footer-contact h4 {
  color: var(--white);
  margin-bottom: 16px;
}
.footer-contact p {
  margin-bottom: 12px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--accent);
  color: var(--primary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  z-index: 99;
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #0A192F;
  color: var(--white);
  padding: 20px;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
  z-index: 9999;
  display: none;
  border-top: 3px solid var(--accent);
}
.cookie-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.cookie-text {
  font-size: 0.85rem;
  line-height: 1.5;
}
.cookie-text a {
  color: var(--accent);
  text-decoration: underline;
}
.cookie-btn {
  background: var(--accent);
  color: var(--primary);
  border: none;
  padding: 10px 24px;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
}

/* Legal Pages Styling */
.legal-page {
  background: var(--bg-light);
}
.legal-content {
  background: var(--white);
  padding: 60px 40px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-top: 40px;
  margin-bottom: 40px;
}
.legal-content h1 {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 12px;
}
.legal-content .updated-date {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 30px;
}
.legal-content h2 {
  font-size: 1.4rem;
  color: var(--primary);
  margin-top: 32px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--bg-light);
  padding-bottom: 8px;
}
.legal-content p {
  margin-bottom: 16px;
  color: var(--text);
  line-height: 1.7;
}
.legal-content ul {
  margin-bottom: 24px;
  padding-left: 20px;
}
.legal-content li {
  margin-bottom: 8px;
  color: var(--text);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .cta-group {
    justify-content: center;
  }
  .trust-items {
    justify-content: center;
  }
  .benefits-grid {
    grid-template-columns: 1fr 1fr;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .timeline {
    grid-template-columns: 1fr 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-container {
    height: 70px;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
    box-shadow: var(--shadow);
  }
  .nav.active {
    display: flex;
  }
  .hero {
    padding: 60px 0;
  }
  .hero-content h1 {
    font-size: 2rem;
  }
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  .timeline {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .cookie-container {
    flex-direction: column;
    text-align: center;
  }
  .legal-content {
    padding: 30px 20px;
  }
}