Sora — 브랜드 스토리 15초

15-second vertical brand story for 브랜드. 9:16 aspect. 0-3s: Hook — unexpected visual (훅_장면). Bold open frame. 3-8s: Reveal context — what the brand does, shown through a single moment (핵심_장면). 8-12s: Emotion — close-up on a person's face reacting to 감정_상황 (relief / surprise / focus). 12-15s: Logo + tagline. Style: 시각_레퍼런스 (Wes Anderson symmetry / handheld documentary / Korean drama warm tones). Sound design: minimal, one ambient layer + tagline narration. Optimized for sound-off viewing — visual should carry the message.