_list.html.erb

<%
current_year = nil
%>
<p class="text-end">
  <%= @websites.total_count %>
  <%= Communication::Website.model_name.human(count: @websites.total_count).downcase %>
</p>

<div class="row g-5">
  <% @websites.each do |website| %>
    <% 
    year = website.created_at.year
    if current_year != year
      current_year = year
      %>
      <div class="col-12">
        <h2><%= year %></h2>
        <hr>
      </div>
    <% end %>
    <div class="col-md-6 col-xl-4">
      <article class="position-relative">
        <% if website.screenshot.attached? %>
          <%= kamifusen_tag website.screenshot, 
                            class: 'img-fluid rounded mb-3' %>
        <% end %>
        <h3 class="fs-6 mt-3">
          <%= link_to website.original_localization.to_s,
                      showcase_website_path(website),
                      class: 'stretched-link' %>
        </h3>
      </article>
    </div>
  <% end %>
</div>
<%= paginate @websites %>