{
  "name": "楽天最安値検索",
  "short_name": "最安値検索",
  "description": "日用品の単価比較（週次更新）",
  "start_url": "/",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#ffffff",
  "theme_color": "#bf0000",
  "lang": "ja",
  "icons": [
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      "sizes": "192x192",
      "type": "image/svg+xml"
    },
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      "sizes": "512x512",
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  ]
}