:root {
  --font-display: "Fraunces", "Songti SC", serif;
  --font-body: "IBM Plex Sans SC", "PingFang SC", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --color-paper: oklch(97% 0.018 57);
  --color-paper-2: oklch(94% 0.032 48);
  --color-paper-3: oklch(91% 0.045 28);
  --color-paper-rose: oklch(93% 0.045 12);
  --color-ink: oklch(25% 0.035 32);
  --color-ink-2: oklch(34% 0.038 32);
  --color-neutral: oklch(37% 0.035 36);
  --color-muted: oklch(42% 0.034 40);
  --color-rule: oklch(78% 0.052 38);
  --color-rule-2: oklch(84% 0.038 45);
  --color-accent: oklch(55% 0.145 33);
  --color-accent-dark: oklch(43% 0.13 29);
  --color-accent-ink: oklch(98% 0.01 60);
  --color-focus: oklch(39% 0.12 245);
  --color-error: oklch(48% 0.17 25);
  --color-era-1: oklch(56% 0.11 188);
  --color-era-2: oklch(57% 0.13 34);
  --color-era-3: oklch(57% 0.12 357);
  --color-era-4: oklch(53% 0.10 64);
  --color-region-1: oklch(55% 0.145 33);
  --color-region-2: oklch(57% 0.12 357);
  --color-region-3: oklch(53% 0.10 64);
  --color-region-4: oklch(54% 0.08 185);
  --color-region-5: oklch(50% 0.035 40);
  --color-tree-bark: oklch(51% 0.07 54);
  --color-tree-bark-dark: oklch(37% 0.065 46);
  --color-cherry-canopy: oklch(88% 0.065 15);
  --color-pine-canopy: oklch(61% 0.075 151);
  --color-pine-era: oklch(45% 0.032 153);
  --color-pine-garland: oklch(76% 0.08 78);
  --color-tree-ground: oklch(40% 0.04 40);
  --color-jpop-node: oklch(70% 0.13 25);
  --color-english-node: oklch(72% 0.105 240);
  --color-kpop-node: oklch(66% 0.12 315);
  --color-card-channel: #F7EEDD;
  --color-card-jazz-piano: #E6E9F1;
  --color-card-nan-nan-2020: #F4F5F3;
  --color-card-nan-nan-2019: #A4C3CD;
  --color-card-alone-home: #E0AC40;
  --color-method-surface: rgb(230 208 170 / 90%);
  --color-card-neutral: oklch(94% 0.018 55);
  --color-card-rose: oklch(94% 0.028 8);
  --color-card-coral: oklch(94% 0.033 35);
  --color-card-amber: oklch(94% 0.038 78);
  --color-card-green: oklch(94% 0.027 140);
  --color-card-teal: oklch(94% 0.025 195);
  --color-card-blue: oklch(94% 0.027 245);
  --color-card-violet: oklch(94% 0.025 305);

  --space-3xs: 0.125rem;
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 9rem;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.18rem;
  --text-xl: clamp(1.32rem, 2.4vw, 2rem);
  --text-display: clamp(2.52rem, 6.8vw, 6rem);
  --leading-tight: 1.05;
  --leading-body: 1.75;
  --page-gutter: clamp(1rem, 4vw, 4.5rem);
  --page-max: 92rem;
  --reading-max: 48rem;
  --rule-hair: 1px;
  --radius-sm: 0.25rem;
  --radius-md: 0.75rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-micro: 120ms;
  --dur-short: 220ms;
  --z-base: 1;
  --z-sticky: 200;
  --z-tooltip: 600;
}