{"name":"My App","short_name":"My App","start_url":"index.html","display":"standalone","background_color":"#ffffff","lang":"ja","scope":"/","description":"My App","icons":[{"src":"app_icon/icon-192.png","type":"image/png","sizes":"192x192"},{"src":"app_icon/icon-512.png","sizes":"512x512","type":"image/png"},{"src":"app_icon/icon-512.png","sizes":"512x512","type":"image/png","purpose":"any maskable"}],"theme_color":"#000000"}