ボタンを定義し、背景と同じ色で目立たなくする。『UX for Beginners』では「セカンダリー
ボタン」と呼んでいる。控えめになったボタンは、同じページにあるプライマリーボタンより
注目を集めにくい。視野に入ってはいるけれど、目に付きづらいのだ。
ただし、(核ミサイルの発射ボタンのような)非常にマイナスな操作には、ささやくだけで
はなく警告が必要だ。大きくて赤いプライマリーボタンにし、誤ってクリックされにくい場所
に配置する。ページの下部や右寄せ、普段ユーザーが注目しない場所などだ。
価値を減らす価値を減らす
核ミサイルを発射しますか???
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