HTTP/1.1 200 OK Server: nginx/1.18.0 (Ubuntu) Date: Wed, 10 Sep 2025 11:48:33 GMT Content-Type: text/html; charset=shift_jis Transfer-Encoding: chunked Connection: keep-alive Content-Encoding: gzip HTTP/1.1 400 Bad Request Date: Wed, 10 Sep 2025 11:48:33 GMT Content-Length: 0 Connection: close CF-RAY: 97ceb26f3ddd3a35-BOM