{
  "name": "光熱費管理システム",
  "short_name": "光熱費",
  "description": "店舗の光熱費（電気・水道・ガス・灯油）の入力・月次報告・推移グラフ",
  "start_url": "./index.html",
  "scope": "./",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#3a539b",
  "theme_color": "#2A4A8C",
  "lang": "ja",
  "icons": [
    { "src": "icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
    { "src": "icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" },
    { "src": "icon.svg", "sizes": "any", "type": "image/svg+xml", "purpose": "any" }
  ]
}