Design a Japanese-inspired sushi stand with a minimalist and modern aesthetic, located on a boulevard. The stand occupies an area of 20 square meters (approximately 215 square feet) and is surrounded by a seating bar for customers. The design should incorporate the following elements: A sleek, minimalist layout that maximizes the 20 square meter space efficiently A streamlined central preparation area for sushi chefs A clean, modern surrounding bar with seating for customers to observe sushi preparation Clever, hidden storage solutions for ingredients and equipment to maintain a clutter-free appearance Contemporary interpretation of Japanese design elements, focusing on simplicity and clean lines Minimalist lighting design that creates an ambiance without visual clutter Optimized customer flow and staff movement paths within the constrained space Use of modern, high-quality materials that reflect both Japanese aesthetics and contemporary design (e.g., glass, stainless steel, light wood) A color palette that emphasizes simplicity and elegance (e.g., monochromatic scheme with subtle accents) Integration of technology in a discreet manner to enhance operations and customer experience Please provide a detailed design concept that balances the authentic Japanese sushi experience with a distinctly modern and minimalist approach. The design should feel fresh and contemporary while still evoking the essence of traditional Japanese culinary culture.