<https://applech2.com/archives/20191013-macos-1015-catalina-apple-id-settings-update-issue.html#article>
<http://schema.org/articleSection>
"macOS 10.15 Catalina, Catalina, iCloud, Keychain, macOS-10.15, アップグレード, セットアップ, 不具合"
<https://applech2.com/archives/20191013-macos-1015-catalina-apple-id-settings-update-issue.html>