{
  "name": "GREEN×EXPO 2027 日本政府苑",
  "short_name": "日本政府苑",
  "lang": "ja",
  "dir": "ltr",
  "start_url": "/",
  "display": "browser",
  "background_color": "#ffffff",
  "theme_color": "#1a8c6d",
  "icons": [
    { "src": "icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" }
  ]
}