{"html":"<iframe src=\"https://miro.com/app/live-embed/uXjVK7L1-9c=/?embedId=980764218731&embedSource=oembed&embedMode=view_only_without_ui\" width=\"100%\" height=\"100%\" allow=\"fullscreen, clipboard-read, clipboard-write, storage-access\" referrerpolicy=\"no-referrer-when-downgrade\"></iframe>","title":"雄物川下流種沢地区築堤工事","author":"宮原組","thumbnail_url":"https://miro.com/api/v1/boards/uXjVK7L1-9c=/picture?etag=R3458764517806188121_1_20250610&size=180","thumbnail_width":180,"thumbnail_height":180,"width":768,"height":432,"version":"1.0","type":"rich","provider_name":"Miro","provider_url":"https://miro.com"}