I Built a Chrome Extension That Catches Japanese Ad Law Violations in Real Time

Japanese advertising law is a minefield. If you work in Japanese digital marketing, you know the anxiety. A single word like 最高 (best) or 必ず (guaranteed) could technically violate 景品表示法 (Keihyo-ho). A beauty product description mentioning skin improvement might run afoul of 薬機法 (Yakki-ho). An influencer post without a clear "PR" disclosure triggers ステルスマーケティング (stealth marketing) regulations. I was helping a friend review ad copy for a cosmetics brand when I realized: there is no tooling for t...