https://www.jqueryscript.net/accordion/Simple-Stylish-Accordion-Widget-with-jQuery-CSS.html
https://www.jqueryscript.net/accordion/Simple-Responsive-jQuery-Accordion-Plugin-SMK%20Accordion.html
開発を楽に、調べた内容は探しやすく、記録
https://www.jqueryscript.net/accordion/Simple-Stylish-Accordion-Widget-with-jQuery-CSS.html
https://www.jqueryscript.net/accordion/Simple-Responsive-jQuery-Accordion-Plugin-SMK%20Accordion.html