_layouts/default.html

{% if page_title or page_title ==''  %}
  {% assign page_title = page.title %}
{% endif %}
{% if page_subtitle or page_subtitle =='' %}
  {% assign page_subtitle = page.subtitle %}
{% endif %}
{% assign page_title = page.title %}
<!DOCTYPE html>
<html lang="ja" dir="ltr">
  {% include head.html %}
  <body>
    {% include navbar.html %}
    {{ content }}

    <div id="page-top"><a href="#top"><img src="/img/svg/up.svg" alt="Up" width="24px" /></a></div>
    {% include footer.html %}

    <script>
      window.onload = function() {
        var agent = window.navigator.userAgent.toLowerCase();
        var ie11 = (agent.indexOf('trident/7') !== -1);
        if(ie11){
          var spimg = document.getElementsByClassName("sponsors-rank-img");
          for(var i = 0; i < spimg.length; i++) {
            spimg[i].style.height    = "auto";
            spimg[i].style.maxHeight = "none";
          }
        }
        var btn = $('#page-top');
        //スクロールしてページトップから100に達したらボタンを表示
        $(window).on('load scroll', function(){
          if($(this).scrollTop() > 100) {
            btn.addClass('active');
          }else{
            btn.removeClass('active');
          }
        });

        $('.navbar-nav > a , .dropdown-menu>a').on('click', function(){
          if(this.id != 'navbarDropdown'){
            $('.navbar-collapse').collapse('hide');
          }
        });
      }
      </script>
    </body>
</html>