入力

「群衆が動くスクランブル交差点、Step-Video で」

Step-Video 用に最適化された出力

A bustling Shibuya scramble crossing at dusk with over 50 pedestrians
crossing simultaneously in multiple directions. Some figures move
diagonally across the frame, others stop briefly to check their
phones, a few hold umbrellas overhead as light rain begins to fall.

In the foreground a young woman in a red coat with a transparent
umbrella walks toward the camera, weaving naturally between other
pedestrians moving in opposite directions. A businessman in a navy
suit hurries from camera left to right. A group of three university
students laugh together as they cross together. A delivery cyclist
threads carefully through the crowd from behind.

Camera: elevated slow tracking shot from above the crosswalk at
chest-high lamp post height, gently pushing forward through the
intersection as the crowd moves around the camera path. Slight
parallax in the surrounding buildings.

Lighting: late evening mixed lighting with warm sodium street lamps
above the crosswalk, cool neon signage on surrounding buildings
reflecting in puddles forming on the wet asphalt, ambient blue
twilight in the sky.

Environment: iconic Shibuya scramble surrounded by massive video
billboards playing different content, vertical Japanese signage,
distant skyline of tall office buildings, fine rain visible in the
backlight.

Style: cinematic photographic motion in the style of urban portraiture
documentary, anamorphic widescreen, subtle film grain throughout.

Duration: 8.5 seconds (204 frames @ 24fps), 1024x576.

ComfyUI Step-Video ノードに貼り、CFG 9.0 / Step 50 で実行。 H100 80GB 必須、runpod.io で約 $1〜2 / 1 本。