<%= link_to "契約書類一覧", trans_show_path, class: "button4" %> <%= link_to "完了報告一覧", report_show_path, class: "button4" %> <%= link_to "保証書類一覧", warranty_show_path, class: "button4" %> <%= link_to "写真一覧", picture_show_path, class: "button4" %> <%= link_to "その他ファイル一覧", other_show_path, class: "button4" %>