Poster thiết kế đồ họa hiện đại của Nhật Bản

Gemini Nano Banana Pro Prompt; Modern Japanese graphic design poster of stylized water ripples, abstract water surface pattern, organic biomorphic shapes, flat design, vector art style. Monochromatic blue color palette, indigo and azure and white, high contrast, clean hard edges, no gradients. Rhythmic flowing composition, screen print texture, minimalist aesthetic, typography elements in Japanese kanji. Shinmura Suisan style, fresh and cool atmosphere