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var wrapper = document.querySelector(".wrapper");
var ua = window.navigator.userAgent;

wrapper.dataset.ua = (function() {
    if(ua.indexOf('iPhone') > 0 || ua.indexOf('iPod') > 0 || ua.indexOf('Android') > 0 && ua.indexOf('Mobile') > 0){
        return 'sp';
    }else if(ua.indexOf('iPad') > 0 || ua.indexOf('Android') > 0){
        return 'tab';
    }else{
        return 'pc';
    }
})();

// Andoroid
wrapper.dataset.andoroid = (function() {
    if (ua.indexOf('Android') > 0) {
        return true;
    } else {
        return false;
    }
})();

// IE
wrapper.dataset.ie = (function() {
    if (ua.indexOf('MSIE') > 0 || ua.indexOf('Trident') > 0) {
        return true;
    } else {
        return false;
    }
})();