anchor.diff:            <span class="icon-bar"></span>
             <span class="icon-bar"></span>
           </button>
  -        <%=link_to image_tag('logo2.png', :size => "100x20"), "/", :class => "navbar-brand" %>
  +        <%=link_to image_tag('logo2.png', :size => "100x20"), root_path, :class => "navbar-brand" %>
         <% end %>
       </div>
       <!-- Collect the nav links, forms, and other content for toggling -->
  
positive.code:           <li><%= link_to 'タグ管理', :controller => '/tags' %></li>
          </ul>
          </li>
        <% end %><%# if current_user.super? %>
        </ul>
        <ul class="nav navbar-nav navbar-right">
          <li class="dropdown">
  
negative.code:           <li><%= link_to '日報集計', :controller => '/daily_report', :action => :summary %></li>
          </ul>
          </li>
            <li class="divider-vertical"></li>
          <li class="dropdown">
          <a href="#" class="dropdown-toggle" data-toggle="dropdown"><i class="glyphicon glyphicon-cog"></i> マスター<b class="caret"></b></a>
          <ul class="dropdown-menu">
            <% if current_user.super? %>
            <li><%= link_to '社員情報一覧', :controller => '/account' %></li>
            <% end %><%# if current_user.super? %>
            <li><%= link_to '部署', :controller => '/department' %></li>
            <li><%= link_to '祝日設定', :controller => '/base_date' %></li>
            <li><%= link_to 'システム設定', :controller => '/sys_config' %></li>
  