/* Hallmark · genre: modern-minimal · design-system: design.md
 * reference: stripe.com/jp · accent: blurple · ink: navy #0A2540
 * paper-band: light · display-style: geometric-sans · accent-hue: cool-violet
 */

:root {
  --color-paper: oklch(100% 0 0);
  --color-paper-2: oklch(98% 0.008 280);
  --color-paper-3: oklch(96% 0.012 280);
  --color-ink: oklch(22% 0.04 260);
  --color-ink-2: oklch(42% 0.03 260);
  --color-ink-3: oklch(58% 0.02 260);
  --color-rule: oklch(92% 0.01 280);
  --color-grid: oklch(56% 0.15 278 / 0.14);
  --color-dot: oklch(78% 0.02 280 / 0.55);
  --color-geo-line: oklch(56% 0.22 278 / 0.22);
  --color-geo-line-strong: oklch(56% 0.22 278 / 0.42);
  --color-geo-cyan: oklch(68% 0.14 220 / 0.35);
  --color-geo-teal: oklch(62% 0.16 195 / 0.28);
  --color-geo-node: oklch(56% 0.22 278);
  --color-geo-node-soft: oklch(56% 0.22 278 / 0.12);
  --color-accent: oklch(56% 0.22 278);
  --color-accent-dark: oklch(48% 0.2 278);
  --color-accent-soft: oklch(56% 0.22 278 / 0.1);
  --color-accent-glow: oklch(68% 0.2 278 / 0.35);
  --color-accent-pulse: oklch(56% 0.22 278 / 0.08);
  --color-focus: oklch(48% 0.2 278);
  --color-surface-dark: oklch(22% 0.04 260);
  --color-cta-band: oklch(18% 0.045 260);
  --color-on-dark: oklch(99% 0.002 280);
  --color-on-dark-muted: oklch(78% 0.03 280);
  --color-glass: oklch(100% 0 0 / 0.78);
  --color-glass-border: oklch(92% 0.01 280 / 0.9);
  --color-mesh-1: oklch(72% 0.2 278 / 0.38);
  --color-mesh-2: oklch(76% 0.16 330 / 0.3);
  --color-mesh-3: oklch(80% 0.12 220 / 0.26);
  --color-mesh-4: oklch(78% 0.14 55 / 0.18);
  --color-earth: oklch(52% 0.11 240);
  --color-earth-light: oklch(65% 0.09 210);
  --color-earth-deep: oklch(38% 0.08 250);
  --color-earth-glow: oklch(56% 0.22 278 / 0.12);
  --color-earth-line: oklch(100% 0 0 / 0.14);
  --color-earth-line-faint: oklch(100% 0 0 / 0.08);
  --color-orbit-line: oklch(56% 0.22 278 / 0.32);
  --color-orbit-sat: oklch(56% 0.22 278);
  --color-luno: oklch(68% 0.15 220);
  --gradient-brand: linear-gradient(
    135deg,
    oklch(56% 0.22 278) 0%,
    oklch(62% 0.2 310) 45%,
    oklch(58% 0.18 240) 100%
  );
  --gradient-cta-band: linear-gradient(
    135deg,
    oklch(34% 0.17 278) 0%,
    oklch(40% 0.21 278) 38%,
    oklch(44% 0.19 295) 68%,
    oklch(38% 0.16 250) 100%
  );
  --gradient-hero-bg:
    radial-gradient(ellipse 80% 60% at 15% -5%, var(--color-mesh-1), transparent 62%),
    radial-gradient(ellipse 70% 55% at 100% 20%, var(--color-mesh-2), transparent 58%),
    radial-gradient(ellipse 65% 50% at 100% 100%, var(--color-geo-cyan), transparent 55%),
    var(--color-paper);

  --font-display: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-logo: "Outfit", "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Noto Sans JP", "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-display: clamp(2.25rem, 4.8vw + 0.75rem, 3.75rem);
  --text-display-lg: clamp(2.75rem, 6vw + 0.5rem, 4.5rem);

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 120px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 999px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
  --dur-fast: 150ms;
  --dur-base: 250ms;
  --dur-enter: 600ms;
  --dur-slow: 5s;
  --dur-mesh: 14s;
  --dur-geo-spin-a: 40s;
  --dur-geo-spin-b: 56s;
  --dur-orbit-1: 14s;
  --dur-orbit-2: 22s;
  --dur-orbit-3: 30s;

  --shadow-sm: 0 1px 2px oklch(22% 0.04 260 / 0.04);
  --shadow-md: 0 8px 30px oklch(22% 0.04 260 / 0.08);
  --shadow-lg: 0 20px 50px oklch(22% 0.04 260 / 0.1);
  --shadow-header: 0 1px 0 oklch(92% 0.01 280);
  --shadow-btn: 0 1px 1px oklch(22% 0.04 260 / 0.06), 0 2px 8px oklch(56% 0.22 278 / 0.18);
  --shadow-contact: 0 2px 8px oklch(56% 0.22 278 / 0.16);
  --shadow-contact-hover: 0 4px 16px oklch(56% 0.22 278 / 0.22);

  --header-height: 72px;
  --header-height-compact: 64px;
}