{
  "name": "ちょうどいい習慣",
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  "description": "三日坊主でも続くシンプルなタスク・習慣管理アプリ",
  "start_url": "/premium.html",
  "display": "standalone",
  "background_color": "#fff8f0",
  "theme_color": "#fff8f0",
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    { "src": "icon-512.png", "sizes": "512x512", "type": "image/png" }
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}