:root {
  --primary: #c9a959;
  --primary-light: #e8d69c;
  --primary-dark: #8b7331;
  --secondary: #1e3a5f;
  --secondary-light: #2d5580;
  --secondary-dark: #0f1d2f;
  --vermillion: #c84c3d;
  --background: #0a0e14;
  --surface: #121820;
  --surface-alt: #1a222d;
  --text-primary: #ffffff;
  --text-secondary: #a0aec0;
  --text-tertiary: #64748b;
  --glass-light: rgba(255, 255, 255, 0.08);
  --glass-medium: rgba(255, 255, 255, 0.12);
  --glass-heavy: rgba(255, 255, 255, 0.18);
  --glass-border: rgba(255, 255, 255, 0.1);
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
  --spacing-3xl: 48px;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-2xl: 24px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI',
    'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  background-color: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.glass-card {
  background: var(--glass-medium);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.gold-gradient-text {
  background: linear-gradient(
    135deg,
    var(--primary-light),
    var(--primary),
    #f7e98e
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: 16px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--text-primary);
  box-shadow: 0 4px 20px rgba(201, 169, 89, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(201, 169, 89, 0.4);
}

.btn-secondary {
  background: var(--glass-medium);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: var(--glass-heavy);
  border-color: var(--primary);
}

.icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}