{
  "name": "名刺管理システム",
  "short_name": "名刺管理",
  "start_url": "/login",
  "scope": "/",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#1E90FF",
  "icons": [
    { "src": "/images/business-card-16-20251031.png",  "sizes": "16x16",   "type": "image/png" },
    { "src": "/images/business-card-32-20251031.png",  "sizes": "32x32",   "type": "image/png" },
    { "src": "/images/business-card-180-20251031.png", "sizes": "180x180", "type": "image/png", "purpose": "any maskable" },
    { "src": "/images/business-card-512-20251031.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" }
  ]
}