{
  "name": "トーンジェネレーター Pro",
  "short_name": "トーンGen",
  "description": "音程・聴力テスト・バイノーラルビート",
  "start_url": "./",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#f5f5f0",
  "theme_color": "#1D9E75",
  "icons": [
    {
      "src": "icons/tone-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "icons/tone-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any maskable"
    }
  ]
}