MacでTouch IDが機能しない場合 - Apple サポート (日本),Use the Touch Bar on Mac - Apple Support (CA),Macintosh 128K Teardown - iFixit,Magic Keyboard with Touch ID for Mac models with Apple silicon - Japanese - Apple (TH),I've been using the trackpad with my iMac for 9 years, plus the trackpad on my MacBook. Can't remember when I last used a mouse! I guess it was at least 9