{"type":"rich","version":"1.0","title":"日本の祝日","description":"日本の祝日を1月から12月の正しい順番に並べます。","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1780969942130&hashid=YkK4QGOdrl","html":"<iframe src=\"https://arcade.padlet.com/embed/YkK4QGOdrl\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}