{
  "name": "GasPipe Router",
  "short_name": "GasPipe",
  "description": "LPガス アイソメ図 CAD",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#0a2272",
  "theme_color": "#0a2272",
  "orientation": "any",
  "lang": "ja",
  "icons": [
    { "src": "icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" },
    { "src": "icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any maskable" },
    { "src": "icon-48.png",  "sizes": "48x48",   "type": "image/png", "purpose": "any" }
  ]
}