// Mac OS X
var iosCheck = (function () {
    var ua = window.navigator.userAgent,
        foriMessage = document.querySelectorAll('.foriMessage');

    if (/iPhone/.test(ua)) {
        ua.match(/iPhone OS (\w+){1,3}/g);
        var iosv = (RegExp.$1.replace(/_/g, '.')),
            verResult = parseInt(iosv.split('.').slice(0, 2).join(''));
        console.log(verResult);
        // 11.3未満は表示
        if (verResult < 113) {
            foriMessage.forEach(function (e) {
                e.style.display = "none";
            });
        }
        else {
            foriMessage.forEach(function (e) {
                e.style.display = "block";
            });
        }
    }
    else if (/iPad/.test(ua)) {
        ua.match(/OS (\w+){1,3}/);
        var ipadv = (RegExp.$1.replace(/_/g, '.')),
            verResult = parseInt(ipadv.split('.').slice(0, 2).join(''));
        console.log(verResult);
        // 11.3未満は表示
        if (verResult < 113) {
            foriMessage.forEach(function (e) {
                e.style.display = "none";
            });
        }
        else {
            foriMessage.forEach(function (e) {
                e.style.display = "block";
            });
        }
    } else if (/Mac OS/.test(ua) || ua.indexOf('Safari') !== -1) {
        // Mac OSは強制非表示
        var foriMessage = document.querySelectorAll('.foriMessage');
        foriMessage.forEach(function (e) {
            e.style.display = "none";
        });
    }

})();