https://buzztter.co.jp/js/sub.js

1// JavaScript Document
2$(function(){
3	var $win = $(window),
4	$main = $('#sub_main'),
5	$nav = $('#navi'),
6	navHeight = $nav.outerHeight(),
7	navPos = $nav.offset().top,
8	fixedClass = 'is-fixed';
9
10	$win.on('load scroll', function() {
11		var value = $(this).scrollTop();
12		if ( value > navPos ) {
13		  $nav.addClass(fixedClass);
14		  $main.css('margin-top', navHeight);
15		} else {
16		  $nav.removeClass(fixedClass);
17		  $main.css('margin-top', '0');
18		}
19	});
20	
21	$('.bazzlog_detail .bazz_detail_body p em').on('inview', function(event, isInView) {
22		if (!$(this).hasClass("active")) {
23			$(this).addClass('active');
24		}
25	});
26});