{
    "lang": "ja",
    "short_name": "massive",
    "name": "massive",
    "display": "standalone",
    "start_url": "/?pwa",
    "theme_color": "#0D0D0D",
    "background_color": "#F3DD00",
    "icons": [
        {
            "src": "images/home/icon-192.png",
            "sizes": "192x192",
            "type": "image/png"
        }
    ]
}