{
  "name": "読み上げ算マスター",
  "short_name": "読み上げ算",
  "description": "そろばんの「読み上げ算」練習ツール",
  "start_url": "yomiage.html",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#990000",
  "icons": [
    {
      "src": "icon_soroban.png",
      "sizes": "128x128",
      "type": "image/png"
    },
    {
      "src": "icon_soroban_192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "icon_soroban_512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ]
}