{
  "name": "EV計算機（大判カメラ用）",
  "short_name": "EV計算機",
  "start_url": "./index.html",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#764ba2",
"icons": [
  { "src": "icons/icon-256x256.png", "sizes": "256x256", "type": "image/png" },
]
}