/* Hallmark · macrostructure: Index-First · tone: readable public archive
 * theme: retained dark cobalt archive · nav: compact masthead · footer: reference links
 * Retained palette, readable Japanese typography and meaningful visual cues.
 * Hallmark · pre-emit critique: P4 H4 E4 S5 R5 V4
 */
:root {
  color-scheme: dark;
  --color-canvas: oklch(0.135 0.012 255);
  --color-surface: oklch(0.17 0.014 255);
  --color-surface-raised: oklch(0.205 0.016 255);
  --color-surface-active: oklch(0.255 0.035 252);
  --color-ink: oklch(0.945 0.01 250);
  --color-ink-soft: oklch(0.76 0.018 250);
  --color-ink-muted: oklch(0.66 0.02 250);
  --color-line: oklch(0.29 0.018 250);
  --color-line-strong: oklch(0.38 0.025 250);
  --color-control-line: oklch(0.54 0.025 250);
  --color-accent: oklch(0.69 0.17 252);
  --color-accent-strong: oklch(0.76 0.145 247);
  --color-accent-ink: oklch(0.13 0.025 252);
  --color-positive: oklch(0.78 0.15 136);
  --color-positive-soft: oklch(0.22 0.035 136);
  --color-warning: oklch(0.79 0.14 78);
  --color-warning-soft: oklch(0.23 0.035 78);
  --color-danger: oklch(0.7 0.2 28);
  --color-focus: oklch(0.84 0.16 101);
  --color-draft: oklch(0.74 0.13 221);
  --color-draft-soft: oklch(0.22 0.025 221);
  --color-result: oklch(0.71 0.19 28);
  --color-result-soft: oklch(0.22 0.032 28);
  --font-body: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, system-ui, sans-serif;
  --font-display: var(--font-body);
  --font-mono: var(--font-body);
  --text-xs: .8125rem;
  --text-sm: .875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --radius-sm: .25rem;
  --container: 78rem;
  --gutter: clamp(1rem, 3vw, 2rem);
  --control-height: 2.75rem;
}