{"type":"rich","version":"1.0","title":"水中の物体の像の位置(京都府立医大2026)","html":"<iframe src=\"https://www.desmos.com/calculator/yf5dnr7a78?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}