{
  "name": "Keisan Kun 計算くん - Fun Math Practice",
  "short_name": "Keisan Kun",
  "description": "AI-powered adaptive math practice for kids",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#667eea",
  "theme_color": "#667eea",
  "orientation": "any",
  "categories": ["education", "kids"],
  "icons": [
    {
      "src": "/img/logo.svg",
      "sizes": "any",
      "type": "image/svg+xml",
      "purpose": "any"
    },
    {
      "src": "/img/logo.svg",
      "sizes": "192x192",
      "type": "image/svg+xml",
      "purpose": "any maskable"
    },
    {
      "src": "/img/logo.svg",
      "sizes": "512x512",
      "type": "image/svg+xml",
      "purpose": "any maskable"
    }
  ]
}