Dynamic J.League Soccer Poster

Create a dynamic vertical sports poster to celebrate{argument name="event name" default="J.League Day"} The design employs a high-energy Japanese graphic design style. It uses a clean, off-white canvas combined with explosive abstract compositions, including sharp diagonal speed lines, paint splatters, halftone dots, fine engineering lines, and angular geometric fragments. The color scheme is Japanese-inspired: deep cobalt blue, bright red, black, white, and subtle touches of yellow. At the center of the image is a figure dressed in dark {argument name="team jersey" default="A black jersey in the style of the Japanese national team, printed with the number 10."} A male soccer player is depicted in a high-contrast black-and-white ink-wash illustration style, showcasing messy dark hair, a robust physique, and a powerful kicking stance leaning towards the audience. His face should be blurred or indistinct to maintain the anonymity of the action. A black-and-white soccer ball, slightly enlarged and with motion blur and speed trajectory, is placed in the lower left foreground, as if it has just been kicked. Behind the player, a large, bold black capital letter is created.{argument name="main letter" default="J"} It features a thick white outline and red shading, overlapping a large red sun disk. A blue rectangular area is added to the background above, containing abstract, urban-style vertical line details. Four main color accent groups are included: a red circular sun and red paint bursts, blue diagonal stripes and fragments, black ink splatters and halftone patterns, and thin yellow lines and small polygonal accents. Small printed date text is added to the lower right corner.{argument name="date text" default="May 15, 2026"} Below is a casual handwritten signature.{argument name="signature" default="Oyagi"} The overall visual effect should present a fast, eye-catching, modern poster style suitable for social media AI art; no additional logos, no recognizable sponsor names, no other players, no crowds, and no stadium background.