The cio.go.jp website states it is an archived site. What is the current official website for digital policy in Japan, and when did cio.go.jp stop updating? Additionally, navigate to the '政策 (Policy)' section and find information about the '高度情報通信ネットワーク社会推進戦略本部 (IT Strategy Headquarters)'. What was its primary role based on the information available on this archived site?
Navigate to cio.go.jp. Identify the message stating the website's archival status and the new official website for digital policy. Note the date when cio.go.jp stopped updating. Navigate to the '政策 (Policy)' section. Locate the '審議会・研究会 (Councils/Research Groups)' section. Click on the link for '高度情報通信ネットワーク社会推進戦略本部（ＩＴ総合戦略本部）' (ID 158) to access its archived page. Read the content on the archived page to determine the primary role or purpose of the IT Strategy Headquarters. Synthesize the current official website, the update cessation date, and the primary role of the IT Strategy Headquarters.
State that the current official website for digital policy in Japan is the Digital Agency's official site. State that cio.go.jp stopped updating on June 30, 2022. Successfully navigate to the archived page for '高度情報通信ネットワーク社会推進戦略本部（ＩＴ総合戦略本部）'. Accurately state the primary role of the IT Strategy Headquarters based on the content of the archived page (e.g., 'to promote the formation of an advanced information and telecommunications network society' or similar phrasing from the archived content).