{
  "name": "vivitto",
  "short_name": "vivitto",
  "start_url": "./index.html",
  "display": "standalone",
  "icons": [
    {
      "src": "./assets/img/icon-512×512.png",
      "sizes": "512x512",
      "type": "image/png"
    },
    {
      "src": "./assets/img/icon-192x192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "./assets/img/icon-180×180.png",
      "sizes": "180x180",
      "type": "image/png"
    }

  ],
  "lang": "ja"
}