Futuristic 3D Motion Graphics for Landing Page Hero

A 15-second futuristic 3D motion graphic for use as the background of a website landing page (LP) hero section, built with Three.js and featuring a variety of 3D effects. The prompt is a short Japanese paragraph that specifies the duration, purpose, and futuristic feel, and asks for a wide range of 3D effects with no interactivity. Suited to website hero videos, tech product launch backgrounds, or brand opening animations.