{"type":"rich","version":"1.0","title":"世界の国と首都","description":"国名を表面、首都名を裏面にしたフラッシュカードで、アフリカ、アメリカ大陸、アジア、オセアニアの国と首都を学習する。","author_name":"Padlet TA","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1767922011038&hashid=9LKlVVJyjD","html":"<iframe src=\"https://arcade.padlet.com/embed/9LKlVVJyjD\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}