{
  "name": "Ragtime",
  "short_name": "Ragtime",
  "description": "摩擦データ収集・感情抽出プラットフォーム by KK Labo",
  "start_url": "/index.html",
  "display": "standalone",
  "background_color": "#0a0e27",
  "theme_color": "#00ffff",
  "orientation": "portrait-primary",
  "lang": "ja",
  "dir": "ltr",
  "categories": ["social", "productivity"],
  "icons": [
    {
      "src": "/icons/icon-192x192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any maskable"
    },
    {
      "src": "/icons/icon-512x512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any maskable"
    }
  ],
  "author": "KK Labo",
  "developer": {
    "name": "KK Labo",
    "url": "https://ragtime-empire.io"
  },
  "related_applications": [],
  "prefer_related_applications": false,
  "scope": "/",
  "serviceworker": {
    "src": "/ragtime-offline-sw.js",
    "scope": "/"
  }
}