na-adjective, noun
carefree; at ease; comfortable
Describes a relaxed state of mind without worry or pressure. Often used for situations, atmospheres, or a person's feeling.
試験が終わって気楽になった。
I felt carefree after the exam was over.
ここは気楽
This is a shop with a relaxed atmosphere.
na-adjective, noun
Describes a person's character: not fussy, not easily bothered, taking things as they come. Can be positive or slightly critical depending on context.
彼はとても気楽な性格で、細かいことは気にしない。
He has a very easygoing personality and doesn't worry about small details.