anchor.diff:      <tr>
         <td colspan="2">労働時間数</td>
         <% @finder.get_ym_range.each do |ym| %>
  -      <td align="center"><%= @pd[ym].hours_of_work %>H</td>
  +      <td class="text-center"><%= @pd[ym].hours_of_work %>H</td>
         <% end %>
         <td></td>
         <td></td>
  
positive.code:       <% end %>
        <td></td>
        <td></td>
        <td class="right"><%= to_amount(@pd[:sum].extra_pay) %></td>
      </tr>
      <tr>
        <td rowspan="3">手当</td>
  
negative.code:       <% @finder.get_ym_range.each do |ym| %>
          <td class="center"><%= to_amount(@pd[ym].base_salary) %></td>
        <% end %>
        <td class="text-center"><%= to_amount(@pd["b1"].base_salary) %></td>
        <td class="text-center"><%= to_amount(@pd["b2"].base_salary) %></td>
        <td class="text-right"><%= to_amount(@pd[:sum].base_salary) %></td>
      </tr>
      <tr>
        <td colspan="2">所定時間外割増賃金</td>
  