HTTP/1.1 200 OK Server: nginx/1.18.0 (Ubuntu) Date: Tue, 16 Sep 2025 11:55:20 GMT Content-Type: text/html; charset=shift_jis Transfer-Encoding: chunked Connection: keep-alive Content-Encoding: gzip HTTP/1.1 400 Bad Request Date: Tue, 16 Sep 2025 11:55:20 GMT Content-Length: 0 Connection: close CF-RAY: 98002c9c3f0d84f5-BOM