na-adjective
Describes a person's personality, mood, or atmosphere as open, cheerful, and optimistic.
彼女は明朗な性格で、誰とでもすぐ仲良くなる。
She has a cheerful personality and quickly becomes friends with anyone.
明朗な雰囲気の職場で働きたい。
I want to work in a workplace with a bright atmosphere.
na-adjective
Used for business dealings, accounting, or attitudes that are transparent, aboveboard, and without hidden tricks.
明朗会計が当店のモットーです。
Fair and transparent accounting is our shop's motto.
明朗な態度で交渉に臨む。
Approach the negotiation with an honest and open attitude.