{"type":"rich","version":"1.0","description":"美術の要素を識別するための、テキストと簡単な視覚例をマッチさせる6組のマッチング活動","title":"美術の要素","width":720,"html":"<iframe src=\"https://arcade.padlet.com/embed/9LjkVdVDrO\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","height":480,"provider_name":"Padlet Arcade","author_name":"Padlet TA","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1767922010587&hashid=9LjkVdVDrO&key=social-preview-image-v4","provider_url":"https://arcade.padlet.com"}