How to say "Simple" in Japanese

When translating "simple" into Japanese, you must choose carefully between 簡単 and 単純な. In Japanese, 簡単 (かんたん (kantan)) is typically associated with "simple, easy" (Syllabus Level: N4) and represents A な-adjective. Describes things that are not difficult, straightforward, or uncomplicated. Opposite of 複雑. On the other hand, 単純な (たんじゅんな (tanjun na)) maps to "simple, uncomplicated (often refers to ideas, structures, or people)" (Syllabus Level: N3) and represents Implies a lack of complexity or elaborate details. Can sometimes carry a nuance of being too simple or naive when describing people.. A literal translation of "simple" can often sound unnatural to native Japanese speakers if mixed up!