404. That’s an error.
The requested URL /_/+1/confirm?hl=ja&url=https://sameshima-masashi.com/2018/08/04/%E3%83%95%E3%83%AA%E3%83%BC%E3%83%A9%E3%83%B3%E3%82%B9%E3%81%A8%E3%81%97%E3%81%A6%E6%B4%BB%E5%8B%95%E3%81%97%E3%81%9F%E3%81%84%E3%81%82%E3%81%AA%E3%81%9F%E3%81%B8%E3%80%81%E7%9F%A5%E3%81%A3%E3%81%A6/
was not found on this server. That’s all we know.