{
    "short_name": "サインスクール",
    "name": "サインスクール",
    "display": "minimal-ui",
    "start_url": ".",
    "icons": [
        {
            "src": "https://www.sign-school.com/android-icon.png",
            "sizes": "180x180",
            "type": "image/png"
        },
        {
            "src": "https://www.sign-school.com/apple-touch-icon.png",
            "sizes": "192x192",
            "type": "image/png"
        },
        {
            "src": "https://www.sign-school.com/splash-screen.png",
            "sizes": "512x512",
            "type": "image/png"
        }
    ]
}