<%= bootstrap_form_tag remote: true, url: result_contents_project_reports_path(project, format: :json), method: :post, html: { id: "add-contents-form" } do |f| %>
  <%= hidden_field_tag :id, result.id %>
  <%= render partial: "reports/new/modal/result_contents_inner.html.erb", locals: { form: f } %>
<% end %>