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

:root {
  --primary-color: #111827;
  --accent-color: #D97706;
  --accent-hover: #B45309;
  --bg-light: #F9FAFB;
  --card-bg: #FFFFFF;
  --text-main: #1F2937;
  --text-muted: #4B5563;
  --border-color: #E5E7EB;
  --radius: 8px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

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

body {
  font-family: 'Noto Sans JP', sans-serif;
  background-color: var(--bg-light);
  color: var(--text-main);
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--accent-color);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 10000;
  text-decoration: none;
  border-radius: 4px;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 1rem;
}

:focus-visible {
  outline: 3px solid var(--accent-color);
  outline-offset: 2px;
}

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

/* Header & Nav */
header {
  background: var(--primary-color);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
}

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

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  color: #E5E7EB;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent-color);
}

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

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #111827 0%, #1F2937 100%);
  color: #fff;
  padding: 4rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  text-align: left;
}

.hero-text h1 {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1.25rem;
  color: #FFFFFF;
}

.hero-text p {
  font-size: 1.1rem;
  color: #D1D5DB;
  margin-bottom: 2rem;
}

.hero-img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 12px 24px rgba(0,0,0,0.3);
  object-fit: cover;
  max-height: 420px;
}

.btn {
  display: inline-block;
  background: var(--accent-color);
  color: #fff;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
}

.btn:hover {
  background: var(--accent-hover);
}

/* Container & Sections */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
}

.section-title {
  text-align: center;
  font-size: 1.85rem;
  margin-bottom: 2.5rem;
  color: var(--primary-color);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--accent-color);
  margin: 0.75rem auto 0;
  border-radius: 2px;
}

/* Statistics */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card {
  background: var(--card-bg);
  padding: 1.75rem;
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent-color);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Process / How it works */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.process-card {
  background: var(--card-bg);
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  position: relative;
}

.process-step {
  width: 40px;
  height: 40px;
  background: var(--accent-color);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 2rem;
}

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

.service-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.service-body {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.service-body h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  color: var(--primary-color);
}

.service-body p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

/* Feature Section (Asymmetrical) */
.feature-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  background: var(--card-bg);
  padding: 2.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  margin-top: 2rem;
}

.feature-box img {
  width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
}

.feature-list {
  list-style: none;
  margin-top: 1rem;
}

.feature-list li {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.feature-list i {
  color: var(--accent-color);
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: stretch;
}

.price-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow);
}

.price-card.featured {
  border: 2px solid var(--accent-color);
  transform: scale(1.02);
}

.badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--accent-color);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
}

.price-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.price-amount {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.price-features {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.price-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Lead Form */
.form-section {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2.5rem;
  max-width: 700px;
  margin: 0 auto;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.95rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.checkbox-group input {
  margin-top: 0.25rem;
}

/* Trust Layer */
.trust-layer {
  background: #E5E7EB;
  border-top: 1px solid #D1D5DB;
  padding: 2rem 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.trust-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

/* Footer */
footer {
  background: var(--primary-color);
  color: #9CA3AF;
  padding: 3rem 1.5rem 1.5rem;
  margin-top: auto;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1rem;
}

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

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: #9CA3AF;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

.copyright {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid #374151;
  text-align: center;
  font-size: 0.85rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #1F2937;
  color: #fff;
  padding: 1.25rem 1.5rem;
  z-index: 9999;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.2);
  display: none;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-text {
  font-size: 0.88rem;
  flex: 1 1 300px;
}

.cookie-btns {
  display: flex;
  gap: 0.75rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-outline {
  background: transparent;
  border: 1px solid #6B7280;
  color: #fff;
}

.btn-outline:hover {
  background: #374151;
}

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

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-header {
  padding: 1.25rem;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--primary-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-body {
  padding: 0 1.25rem 1.25rem;
  display: none;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.faq-item.open .faq-body {
  display: block;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .feature-box {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary-color);
    flex-direction: column;
    padding: 1rem;
  }
  .nav-links.active {
    display: flex;
  }
  .burger-btn {
    display: block;
  }
}

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