:root {
  --bg-dark: #0a0e1a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --border-color: rgba(255, 255, 255, 0.1);
  --primary-accent: #00d2ff;
  --primary-gradient: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
  --secondary-accent: #ff5252;
  --text-main: #ffffff;
  --text-muted: #a0aec0;
  --font-family: 'Outfit', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a:hover {
  opacity: 0.85;
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(10, 14, 26, 0.8);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

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

.btn-cta {
  background: var(--primary-gradient);
  color: #fff !important;
  padding: 0.6rem 1.4rem;
  border-radius: 50px;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 210, 255, 0.4);
}

.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.3);
  border-radius: 50px;
  color: var(--primary-accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 750px;
  margin: 0 auto 2.5rem;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 2rem 6rem;
}

.page-title {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.page-subtitle {
  color: var(--text-muted);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.card h2 {
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
  color: var(--primary-accent);
}

.card p, .card li {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.card ul {
  padding-left: 1.5rem;
}

footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.2rem;
  }
  .nav-links {
    display: none;
  }
}