{"type":"rich","version":"1.0","description":"産業革命と社会の変化","title":"産業革命と社会変化","width":720,"html":"<iframe src=\"https://arcade.padlet.com/embed/WvKPyOyWrg\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","height":480,"provider_name":"Padlet Arcade","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1787078714388&hashid=WvKPyOyWrg","provider_url":"https://arcade.padlet.com"}