ありふれサイトの画像って変わってたんだな
前
http://web.archive.org/web/20171204152326im_/https://arifureta.com/wp-content/themes/arifureta-11-17/library/img/common/top_bg.png
現在
https://arifureta.com/wp-content/themes/arifureta12-15/library/img/common/top_bg.png