背景 https://www.google.com/search?safe=active&sca_esv=50bdd2a08bdd7bce&rlz=1C9BKJA_enJP917JP933&hl=ja&udm=2&fbs=AIIjpHxz89-T52N0UgTPK6nVpDaXD7IFuM0dTpkY-SdZgEiDuEJVIdWgxqu6w4ju0QmSw2LUEMUadnyP5oPFEhMxBaqbgRvcbkGDOlJvJ7xlfqX-CwnfKv5psQW5GKwJY9dj0wDhY4HXb6Sap6VfwvWZu7IFTd7z-GHokYt6ANY9WgfunjuN4lGoyQD6e3qeZ1HNGEUDnl2IJFt_2CH8s1D2syyrS7NBcpYH12yCuCNDiwQrjDQH_KZ1UNBTHizFV0nUFATEfE2g&q=%E8%A1%80%E3%81%AE%E9%9B%A8&sa=X&ved=2ahUKEwi7jIvd78qRAxWhrVYBHew_IyQQtKgLegQIExAB&biw=1080&bih=690&dpr=2#sv=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
