/**
 * スマホ判別
 */
function isSmartPhone(){
    var flg = false;
    if ((navigator.userAgent.indexOf('iPhone') > 0 && navigator.userAgent.indexOf('iPad') == -1) 
            || navigator.userAgent.indexOf('iPod') > 0 
            || navigator.userAgent.indexOf('Android') > 0
    ) {
        flg = true;
    }
    return flg;
}