<https://ohtori-hs.ed.jp/activitytopics/activitytopics-6270/>
<http://schema.org/dateModified>
"2023-11-29T03:51:49+00:00"^^<http://schema.org/Date>
<https://ohtori-hs.ed.jp/activitytopics/activitytopics-6270/>