Wild enthusiasm; intense excitement or frenzy — being crazy about something (e.g., fans at an event).
コンサート会場はファンの熱狂で揺れていた。
The concert hall was shaking with the fans' enthusiasm.
彼の演説に観客は熱狂した。
The audience went wild over his speech.
その映画は公開直後に熱狂的な支持を受けた。
The film received an enthusiastic following immediately after its release.