Safariは世界で最も速いブラウザです。より豊富な他社製の機能拡張、パワフルなプライバシー保護機能、そして業界をリードするバッテリー駆動時間をお届けします。
in to iCloud with their Apple ID. Sign in with Apple | November 2019 3 Signing in on the web and other platforms Users can also use Sign in with Apple to si...
https://www.apple.com/jp/privacy/docs/Sign_in_with_Apple_White_Paper_Nov_2019.pdf