{
    "name": "VDOT マラソンタイム予測",
    "short_name": "VDOT計算",
    "description": "ダニエルズ式（VDOT）でフルマラソンのタイムを予測",
    "start_url": "/",
    "display": "standalone",
    "background_color": "#1a1a2e",
    "theme_color": "#ff6b35",
    "orientation": "portrait-primary",
    "icons": [
        {
            "src": "/icons/icon-192.png",
            "sizes": "192x192",
            "type": "image/png",
            "purpose": "any maskable"
        },
        {
            "src": "/icons/icon-512.png",
            "sizes": "512x512",
            "type": "image/png",
            "purpose": "any maskable"
        }
    ]
}