https://www.kanbiwa.jp/shigarike/js/animate.js

1$(function() {
2  "use strict";
3
4  var $win = $(window);
5
6  if (! navigator.userAgent.match(/iphone|android(.+)?mobile/i)) {
7    $('a[href^="tel:"]').on('click', function(e) {
8      e.preventDefault();
9    });
10  }
11
12  $('.nav a[href="' + location.href.replace(/(\?|\#).*/, '') + '"]')
13    .addClass('active');
14
15  $('.btn-top').on('click', function() {
16    // スクロール
17    $('html,body').animate({scrollTop: 0}, 500, 'swing');
18  });
19
20  $('a[href^=#]').on('click', function() {
21    var speed = 500; //移動完了までの時間(ミリ秒)を指定
22    var href= $(this).attr("href");
23    var target = $(href == "#" || href == "" ? 'html' : href);
24    var position = target.offset().top;
25    $("html, body").animate({scrollTop:position - 140}, speed, "swing");
26    return false;
27  });
28
29  //navi-fixed
30  var isNaviFixed = false;
31  $win.on('load resize', function(){
32    var w = $win.width();
33    var x = 768;
34    var $header = $('.mt-navbar');
35    var $inHeader = $('.in');
36
37    $win.off('scroll.stylishcorporate.navi-fixed');
38    if (w >= x) {
39      $win.on('scroll.stylishcorporate.navi-fixed', function() {
40        if ($win.scrollTop() > 0) {
41          if (! isNaviFixed) {
42            isNaviFixed = true;
43            $header.addClass('fixed');
44            $inHeader.removeClass('in');
45          }
46        } else {
47          if (isNaviFixed) {
48            isNaviFixed = false;
49            $header.removeClass('fixed');
50            $inHeader.removeClass('in');
51          }
52        }
53      });
54    } else {
55      //768px以下では無効にする
56      isNaviFixed = false;
57      $header.removeClass('fixed');
58      $inHeader.removeClass('in');
59    }
60  });
61
62  var isSubNaviFixed = false;
63  $win.on('scroll.stylishcorporate.sub-navi-fixed', function() {
64    if($win.scrollTop() > 306) {
65      if (! isSubNaviFixed) {
66        isSubNaviFixed = true;
67        $('.pagessubnavi').addClass('fixed');
68        $('.pages').css('margin-top', '42px');
69        $('.pages-inner').css('margin-top', '100px');
70      }
71    }
72    else {
73      if (isSubNaviFixed) {
74        isSubNaviFixed = false;
75        $('.pagessubnavi').removeClass('fixed');
76        $('.pages').css('margin-top', '');
77        $('.pages-inner').css('margin-top', '');
78      }
79    }
80  });
81});