1.
original plan, draft proposal
The initial version of a plan, bill, or proposal before revisions are made. Common in legislative and organizational contexts.
原案どおりに可決された。
It was passed as per the original proposal.
委員会が原案を修正した。
The committee revised the draft proposal.
法案の原案は大幅に変更されてから成立した。
The original draft of the bill was significantly changed before it was enacted.
2.
original concept, original story
The original idea or story that a creative work (manga, anime, film) is based on, credited to the person who conceived it.
原案は有名な小説家だ。
The original concept is by a famous novelist.
この映画の原案は実話に基づいている。
The original concept for this film is based on a true story.
原案と脚本は別の人が担当している。
The original concept and the screenplay are handled by different people.
COMMON COLLOCATIONS:
- 原案どおり (as per the original plan)
- 原案を修正する (revise the draft)
- 原案を作成する (draw up a draft proposal)
- 原案を可決する (pass the original proposal)
USAGE NOTES:
In legislative contexts, 原案どおり means the proposal was approved without changes. In creative works (manga, anime, film), 原案 in the credits refers to the person who provided the original concept or story idea, distinct from 原作 which means the original complete work that was adapted.