日本外务省：明白美国的回应表明其决心阻止伊朗获得核武器，同时呼吁迅速缓和局势。

Group 1 - The core viewpoint of the article emphasizes Japan's understanding of the U.S. response, which indicates a strong commitment to preventing Iran from acquiring nuclear weapons [1] - Japan's Foreign Ministry calls for a swift de-escalation of tensions in the region, highlighting the importance of diplomatic efforts [1]