HTTP/1.1 200 OK Server: nginx/1.18.0 (Ubuntu) Date: Mon, 15 Dec 2025 18:20:39 GMT Content-Type: text/html; charset=shift_jis Transfer-Encoding: chunked Connection: keep-alive Content-Encoding: gzip HTTP/1.1 400 Bad Request Date: Mon, 15 Dec 2025 18:20:39 GMT Content-Length: 0 Connection: close CF-RAY: 9ae7f4c84c47f82b-BOM