{
  "font": {
    "family": {
      "sans": {
        "name": "sans",
        "$value": "\"Greycliff CF\", system-ui, sans-serif"
      },
      "serif": {
        "name": "serif",
        "$value": "serif"
      },
      "mono": {
        "name": "mono",
        "$value": "\"MD IO\", monospace"
      }
    },
    "weight": {
      "regular": {
        "name": "regular",
        "$value": "400"
      },
      "medium": {
        "name": "medium",
        "$value": "600"
      },
      "bold": {
        "name": "bold",
        "$value": "900"
      }
    }
  },
  "line-height": {
    "base": {
      "name": "base",
      "$value": "1.728"
    },
    "small": {
      "name": "small",
      "$value": "1.2"
    }
  },
  "measure": {
    "base": {
      "name": "base",
      "$value": "72ch"
    },
    "small": {
      "name": "small",
      "$value": "44ch"
    }
  },
  "tracking": {
    "tight": {
      "name": "tight",
      "$value": "-0.04em"
    },
    "standard": {
      "name": "default",
      "$value": "normal"
    },
    "wide": {
      "name": "wide",
      "$value": "0.06em"
    }
  }
}