HTTP/1.0 200 OK Server: nginx Content-Length: 980 Content-Type: text/html ETag: "5ad7a7d6-3d4" Cache-Control: max-age=5 Expires: Tue, 16 Dec 2025 11:48:20 GMT Date: Tue, 16 Dec 2025 11:48:15 GMT Connection: close 社説：朝日新聞デジタル