Japanese Fireworks Festival Poster

A cinematic Japanese summer festival poster for a riverside fireworks event, featuring a twilight blue sky filled with large multicolored fireworks exploding above a calm river, bright reflections shimmering on the water, mountains and a bridge in the distance, rows of glowing lanterns along the embankment, and a crowd of seated spectators in yukata seen from behind in the foreground; elegant event-poster composition with bold vertical Japanese typography on the left, refined gold and white text, decorative framing, schedule and venue details, QR code and info panels at the bottom, realistic festival photography blended with premium graphic design, vivid yet tasteful colors of deep navy, gold, pink, purple, cyan, and warm lantern orange, crisp night atmosphere, high contrast, long-exposure sparkle trails, detailed fabric textures and water reflections, eye-level wide-angle viewpoint from the riverbank, polished tourism-poster print aesthetic.