{"type":"rich","version":"1.0","title":"日本の歴史文化","description":"前近代の日本の時代と、それぞれを表す文化・政治の特色を結びつける。","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1786059020784&hashid=WNp2JdN3px","html":"<iframe src=\"https://arcade.padlet.com/embed/WNp2JdN3px\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}