{
  "name": "Fretone",
  "short_name": "Fretone",
  "description": "ギターの指板を見ながら、2つの音の音程を当てるトレーニングアプリです。",
  "start_url": "/",
  "scope": "/",
  "display": "standalone",
  "background_color": "#f6f2ea",
  "theme_color": "#277a5b",
  "orientation": "portrait-primary",
  "categories": ["education", "music"],
  "icons": [
    {
      "src": "/icons/icon.svg",
      "sizes": "any",
      "type": "image/svg+xml"
    },
    {
      "src": "/icons/icon-192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "/icons/icon-512.png",
      "sizes": "512x512",
      "type": "image/png"
    },
    {
      "src": "/icons/maskable-icon-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "maskable"
    }
  ]
}