{
  "lang": "ja",
  "name": "I/O 3000",
  "short_name": "I/O 3000",
  "icons": [
    {
      "src": "/assets/img/apple-touch-icon.png",
      "sizes": "180x180",
      "type": "image/png"
    }
  ],
  "theme_color": "#4d4d4d",
  "background_color": "#d1d1d1",
  "start_url": "/",
  "display": "browser"
}