{
  "name": "封筒・郵便物サイズ早見",
  "short_name": "封筒サイズ",
  "description": "日本の封筒の規格寸法(mm)と入る紙を早見。紙から封筒を逆引き、寸法から定形/定形外の目安判定も。",
  "lang": "ja",
  "dir": "ltr",
  "start_url": "./",
  "scope": "./",
  "display": "standalone",
  "orientation": "portrait",
  "theme_color": "#3b5bdb",
  "background_color": "#f4f6fb",
  "icons": []
}