{
  "name": "AirGuard Pro - リアルタイム空気質モニター",
  "short_name": "AirGuard Pro",
  "description": "リアルタイムで空気質をモニタリングし、健康への影響を分かりやすく解説",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#f8f9fa",
  "theme_color": "#1a73e8",
  "orientation": "portrait-primary",
  "icons": [
    {
      "src": "data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='192' height='192' viewBox='0 0 192 192'><rect width='192' height='192' rx='20' fill='%231a73e8'/><text x='96' y='120' font-size='100' text-anchor='middle' fill='white'>🌍</text></svg>",
      "sizes": "192x192",
      "type": "image/svg+xml"
    },
    {
      "src": "data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='512' height='512' viewBox='0 0 512 512'><rect width='512' height='512' rx='50' fill='%231a73e8'/><text x='256' y='320' font-size='280' text-anchor='middle' fill='white'>🌍</text></svg>",
      "sizes": "512x512",
      "type": "image/svg+xml"
    }
  ],
  "categories": ["health", "weather", "utilities"]
}