refine this interior into a calm high end japandi space keep the exact layout and architecture unchanged soften the lighting significantly replace harsh sunlight with diffused natural daylight reduce orange yellow tones create a neutral warm beige atmosphere soften shadows and contrast enhance natural materials dark walnut wood with subtle grain variation matte stone countertop textured fabrics remove any artificial or plastic look add very subtle imperfections introduce soft ambient lighting increase depth and realism maintain minimalism add only a few curated japandi decor elements ceramic vase branches soft textiles interior photography style 35mm lens shallow depth of field ultra photorealistic 8k