https://arincoroll.jp/js/scrolltopcontrol.js

1$(function(){$('#pagetopBtn a').click(function(){$('html, body').animate({'scrollTop':0},900,'easeInOutExpo');return false;});$('#pageUp img').click(function(){$('html, body').animate({'scrollTop':0},900,'easeInOutExpo');return false;});});
2
3
4var ua = {};
5ua.name = window.navigator.userAgent.toLowerCase();
6ua.isIE = (ua.name.indexOf('msie') >= 0 || ua.name.indexOf('trident') >= 0);
7ua.isiPhone = ua.name.indexOf('iphone') >= 0;
8ua.isiPod = ua.name.indexOf('ipod') >= 0;
9ua.isiPad = ua.name.indexOf('ipad') >= 0;
10ua.isiOS = (ua.isiPhone || ua.isiPod || ua.isiPad);
11ua.isAndroid = ua.name.indexOf('android') >= 0;
12ua.isTablet = (ua.isiPad || (ua.isAndroid && ua.name.indexOf('mobile') < 0));
13if (ua.isiOS) {
14$(function(){
15$("a.fbLink").attr("href","fb://profile/1624239511137357");
16});
17}else if(ua.isAndroid || ua.isTablet){
18$(function(){
19$("a.fbLink").attr("href","fb://page/1624239511137357");
20});
21}