A practical branded QR code design board showing a large functional-looking QR matrix with protected quiet zone, rounded modular patterns, central placeholder mark, color variants, and scan-safe composition for menus, posters, packaging, and business cards. clean commercial template design, product-friendly layout, clear content blocks, modern Korean design sensibility. front-facing centered composition with generous padding. limited 3-color palette with one accent. Keep the layout organized, readable, and purposeful; avoid clutter and illegible typography.