noun
comfort zone
Refers to a physical or psychological area where one feels safe, at ease, or comfortable. Often used in contexts of personal space, habits, or social situations.
彼は自分の快感帯から出たがらない。
He doesn't want to leave his comfort zone.
新しいことに挑戦するには、快感帯を抜け
To try new things, you need to step out of your comfort zone.
Compound of 快感 (pleasant feeling) and 帯 (zone, belt). The term is a direct translation of the English 'comfort zone' and is used in similar contexts.