na-adjective
Describes something kept to the bare minimum, often in design, lifestyle, or quantity. Used as a な-adjective.
彼の部屋はミニマルなデザインで統一されている。
His room is unified by a minimal design.
ミニマルな生活を目指して、持ち物を減らした。
Aiming for a minimal lifestyle, I reduced my belongings.