@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;
  --bg-light: #f8fafc;
  --card-bg: #ffffff;
  --text-dark: #0f172a;
  --text-muted: #475569;
  --border-color: #e2e8f0;
  --font-main: 'Noto Sans JP', sans-serif;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 10px;
  background: var(--accent);
  color: #fff;
  padding: 10px 15px;
  z-index: 1000;
  text-decoration: none;
  font-weight: bold;
  border-radius: 4px;
  transition: top 0.2s ease;
}

.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);
  white-space: nowrap;
  border: 0;
}

header {
  background-color: var(--primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 900;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
}

.logo-area img {
  width: 38px;
  height: 38px;
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #ffffff;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 24px;
}

nav a {
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

nav a:hover, nav a:focus {
  color: var(--accent);
}

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

.hero {
  background: linear-gradient(135deg, rgba(15,23,42,0.92) 0%, rgba(30,41,59,0.85) 100%), url('images/hero.jpg') center/cover no-repeat;
  color: #ffffff;
  padding: 90px 20px;
  text-align: center;
}

.hero-content {
  max-width: 860px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.3rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.15rem;
  color: #e2e8f0;
  margin-bottom: 35px;
}

.cta-group {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
}

.btn-secondary:hover, .btn-secondary:focus {
  background-color: #ffffff;
  color: var(--primary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
}

.section-title {
  text-align: center;
  margin-bottom: 45px;
}

.section-title h2 {
  font-size: 1.85rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--card-bg);
  padding: 25px;
  border-radius: 8px;
  text-align: center;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 5px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.step-card {
  background: var(--card-bg);
  padding: 30px 20px;
  border-radius: 8px;
  border-top: 4px solid var(--accent);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.step-card i {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 15px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--card-bg);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
}

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

.service-body {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.service-body h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.service-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.feature-asymmetric {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.feature-asymmetric img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.feature-list {
  list-style: none;
  margin-top: 20px;
}

.feature-list li {
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.feature-list i {
  color: var(--accent);
  margin-top: 4px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.price-card {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 35px 25px;
  border: 1px solid var(--border-color);
  position: relative;
  display: flex;
  flex-direction: column;
}

.price-card.popular {
  border: 2px solid var(--accent);
  box-shadow: 0 8px 24px rgba(217,119,6,0.15);
}

.badge-popular {
  position: absolute;
  top: -14px;
  right: 20px;
  background: var(--accent);
  color: #fff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
}

.price-val {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin: 15px 0;
}

.price-features {
  list-style: none;
  margin: 20px 0 30px 0;
  flex-grow: 1;
}

.price-features li {
  padding: 8px 0;
  border-bottom: 1px stroke #f1f5f9;
  font-size: 0.95rem;
}

.form-section {
  background: #ffffff;
  border-radius: 8px;
  padding: 40px;
  max-width: 720px;
  margin: 0 auto;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  border: 1px solid var(--border-color);
}

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

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(217,119,6,0.2);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.checkbox-group input {
  margin-top: 4px;
}

.trust-layer {
  background: #f1f5f9;
  border-top: 1px solid var(--border-color);
  padding: 30px 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.trust-layer-content {
  max-width: 1200px;
  margin: 0 auto;
  line-height: 1.6;
}

footer {
  background-color: var(--primary);
  color: #94a3b8;
  padding: 40px 20px;
  font-size: 0.9rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #0f172a;
  color: #fff;
  padding: 18px 20px;
  z-index: 1000;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.2);
  display: none;
}

.cookie-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
}

/* Accordion */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 15px;
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  padding: 18px 20px;
  text-align: left;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.accordion-item.active .accordion-body {
  display: block;
}

/* Responsive */
@media (max-width: 768px) {
  nav ul {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary);
    padding: 20px;
  }
  nav ul.show {
    display: flex;
  }
  .hamburger {
    display: block;
  }
  .feature-asymmetric {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 1.75rem;
  }
  .form-section {
    padding: 25px 15px;
  }
}

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