{
  "name":"脳の健康 3分チェック",
  "short_name":"CogTest",
  "icons":[{"src":"/android-chrome-192x192.png",
  "sizes":"192x192",
  "type":"image/png"},
  {
    "src":"/android-chrome-512x512.png",
    "sizes":"512x512","type":"image/png"
  }],
  "theme_color":"#ffffff",
  "background_color":"#ffffff",
  "display":"standalone"
}