{
    "name": "下山時計 descent-clock",
    "short_name": "下山時計",
    "lang": "ja",
    "start_url": ".",
    "display": "standalone",
    "background_color": "#FFFFFF",
    "theme_color": "#BF360C",
    "description": "位置と日付から日没・薄明までの残量を圏外で計算し、下山所要から引き返し限界を逆算する登山者の時計。完全オフライン・収集ゼロ。",
    "orientation": "portrait-primary",
    "prefer_related_applications": false,
    "icons": [
        {
            "src": "icons/Icon-192.png",
            "sizes": "192x192",
            "type": "image/png"
        },
        {
            "src": "icons/Icon-512.png",
            "sizes": "512x512",
            "type": "image/png"
        },
        {
            "src": "icons/Icon-maskable-192.png",
            "sizes": "192x192",
            "type": "image/png",
            "purpose": "maskable"
        },
        {
            "src": "icons/Icon-maskable-512.png",
            "sizes": "512x512",
            "type": "image/png",
            "purpose": "maskable"
        }
    ]
}