{
  "name": "階段の寸法計算（蹴上げ・踏面・段数）",
  "short_name": "階段計算",
  "description": "階高と希望の蹴上げ・踏面から、段数・蹴上げ・必要な奥行き・角度を計算。建築基準法施行令の基準との照合つき。",
  "lang": "ja",
  "dir": "ltr",
  "start_url": "./",
  "scope": "./",
  "display": "standalone",
  "orientation": "portrait",
  "theme_color": "#3b5bdb",
  "background_color": "#f4f6fb",
  "icons": [
    {
      "src": "/icon/stair-calculator-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/icon/stair-calculator-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/icon/stair-calculator-maskable-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "maskable"
    }
  ]
}