{
    "name":  "全国避難ナビ",
    "short_name":  "避難ナビ",
    "start_url":  "/hinan-navi/",
    "scope":  "/hinan-navi/",
    "display":  "standalone",
    "icons":  [
                  {
                      "src":  "/hinan-navi/pwa-icon-192.png",
                      "sizes":  "192x192",
                      "type":  "image/png",
                      "purpose":  "any maskable"
                  },
                  {
                      "src":  "/hinan-navi/pwa-icon-512.png",
                      "sizes":  "512x512",
                      "type":  "image/png",
                      "purpose":  "any maskable"
                  }
              ]
}