{
  "$schema": "https://design-tokens.org/schema.json",
  "description": "Japanese-first type scale tokens, v1.0 — mactokyo.com/resources/japanese-type-scale-tokens",
  "typeScale": {
    "base": { "value": 16, "unit": "px" },
    "ratio": { "value": 1.25 },
    "sizes": {
      "xs":  { "fontSize": "0.75rem",  "lineHeightJa": 1.9, "lineHeightEn": 1.5 },
      "sm":  { "fontSize": "0.875rem", "lineHeightJa": 1.9, "lineHeightEn": 1.55 },
      "md":  { "fontSize": "1rem",     "lineHeightJa": 2.0, "lineHeightEn": 1.6 },
      "lg":  { "fontSize": "1.25rem",  "lineHeightJa": 1.8, "lineHeightEn": 1.4 },
      "xl":  { "fontSize": "1.5rem",   "lineHeightJa": 1.7, "lineHeightEn": 1.3 },
      "2xl": { "fontSize": "2rem",     "lineHeightJa": 1.5, "lineHeightEn": 1.2 },
      "3xl": { "fontSize": "2.75rem",  "lineHeightJa": 1.35,"lineHeightEn": 1.1 }
    },
    "trackingJa": {
      "note": "Japanese body text uses near-zero tracking; headings may open slightly.",
      "body": "0em",
      "heading": "0.02em",
      "caps": "0.08em"
    },
    "weights": {
      "note": "CJK fonts render bolder than Latin at the same weight; prefer 400/500/700.",
      "regular": 400,
      "medium": 500,
      "bold": 700
    }
  }
}