{
  "$schema": "../schemas/component-contract.schema.json",
  "id": "stack",
  "version": "0.1.0",
  "name": "Stack",
  "category": "layout",
  "appStatus": "implemented",
  "intent": "子要素を縦に積む layout primitive。gap は spacing token キー限定の prop（省略時 gap なし）。画面の縦リズムを生 flexbox 手書きから置き換える（dogfood 不足-1）。",
  "docPath": "components/stack.md",
  "appFirst": true,
  "webStatus": "pending",
  "anatomy": ["container"],
  "variants": {
    "default": {
      "description": "縦積みコンテナ。gap / align は prop（gap: spacing token キー限定、align: start|center|end|stretch、default stretch）",
      "tokenRefs": {},
      "tailwind": ""
    }
  },
  "sizes": {},
  "states": ["default"],
  "a11y": {
    "role": "none",
    "required": [],
    "keyboard": [],
    "focusRing": "N/A"
  },
  "rules": []
}