jQuery(function ($) {
$("input").blur(function () {
changeZen($(this));
});
const changeZen = function(ele){
const val = ele.val();
const han = val.replace( /[Ａ-Ｚａ-ｚ０-９－！”＃＄％＆’（）＝＜＞，．？＿［］｛｝＠＾～￥]/g, function(s){return String.fromCharCode(s.charCodeAt(0) - 65248)});
$(ele).val(han);
}
});