create a beautifully rendered 3d japanese architectural floor plan the main room features soft ivory walls with light gray flooring providing an atmosphere of modern elegance the smaller room has muted beige walls and walnut wood flooring for a cozy feeling design the bathroom with sky blue tiles and crisp white fixtures ensuring a fresh and clean atmosphere highlight the edges and structures with a light charcoal color to add depth and dimension the overall lighting should be warm and inviting casting gentle shadows to emphasize the space