建材としての光：開口部のプロポーションが空間の情緒を決定する

Design architecture where natural light becomes the primary building material, shaping space, emotion, rhythm, and spiritual atmosphere through carefully proportioned openings inspired by Tadao Ando. Board-formed exposed concrete interior, one dominant material with no secondary finishes, a single precisely proportioned slit admitting a shaft of daylight, gradual shadow transition across the wall, large negative space, no furniture, eye-level composition, 35mm architectural lens, soft overcast daylight outside, ultra photorealistic, museum-quality visualization, 8K