ヘッダーはちゃんと表示されてます。

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環境変数表示
CONTEXT_DOCUMENT_ROOT : /home/network/www
CONTEXT_PREFIX :
DOCUMENT_ROOT : /home/network/www
GATEWAY_INTERFACE : CGI/1.1
HTTPS : on
HTTP_ACCEPT : */*
HTTP_HOST : non.tank.jp
HTTP_LISTEN_IPADDR : 49.212.198.30
HTTP_USER_AGENT : Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
HTTP_VIA : 1.0 ss2003.guard.sakura.ne.jp:80 (EG Secure Solutions/siteguard_http_01/640-1/ss2003.guard.sakura.n
HTTP_X_REAL_IP : 216.73.216.152
HTTP_X_SAKURA_FORWARDED_FOR : 216.73.216.152
PATH : /usr/local/bin:/usr/bin:/bin
QUERY_STRING :
REMOTE_ADDR : 216.73.216.152
REMOTE_PORT : 0
REQUEST_METHOD : GET
REQUEST_SCHEME : https
REQUEST_URI : /cgi-bin/env.cgi
SCRIPT_FILENAME : /home/network/www/non/cgi-bin/env.cgi
SCRIPT_NAME : /cgi-bin/env.cgi
SERVER_ADDR : 100.64.0.2
SERVER_ADMIN : [no address given]
SERVER_NAME : non.tank.jp
SERVER_PORT : 443
SERVER_PROTOCOL : HTTP/1.1
SERVER_SIGNATURE :
SERVER_SOFTWARE : Apache

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フッターはちゃんと表示されてます。