{
  "name": "後期高齢者医療システム",
  "short_name": "後期高齢者",
  "description": "自治体標準準拠 後期高齢者医療システム",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#1a56db",
  "lang": "ja",
  "icons": [
    {
      "src": "data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 192 192'><rect width='192' height='192' rx='24' fill='%231a56db'/><text x='96' y='130' font-size='100' text-anchor='middle' fill='white'>🏛</text></svg>",
      "sizes": "192x192",
      "type": "image/svg+xml",
      "purpose": "any maskable"
    }
  ]
}