<%= @customer.name %> å¥‘ç´„æƒ…å ±ç·¨é›†ãƒšãƒ¼ã‚¸
<%= render 'contract_form' %>
<%= link_to '顧客一覧', customers_path, class: "button button3" %>
<%= link_to '編集', edit_customer_path(@customer), class: "button button3" %>
<%= link_to "詳細ページ", @customer, class: "button button3" %>