<https://s.mj.run/4SB3sps_idU> Design an elegant pattern featuring willow leaves in shades of blue, set against the deep navy background reminiscent of Japanese woodblock prints. The delicate lines and soft shading should create a harmonious blend between nature's beauty and traditional artistry. This design would be suitable for fabric or wallpaper, offering both style and sophistication to any space in the style of traditional Japanese woodblock prints--iw 2--tile --niji 6