アトモスフィア温泉館：闇・石・蒸気

Design a thermal bath interior in the manner of Peter Zumthor, where atmosphere is built entirely from stone, water, darkness and sound. Construct the walls from thousands of thin horizontal courses of locally quarried grey-green stone, each course only a few centimetres deep, stacked with fine joints so the surface reads as geological strata. Sink a still pool into the floor, its water dark and steaming faintly. Admit daylight only through narrow slots cut in the ceiling, dropping isolated shafts onto the water while the rest of the room stays in deep shadow. Keep every element in the same stone — the steps, the bench, the ledges — with no applied finishes, no signage, no fittings visible. Allow bronze handrails as the only other material, already darkened. Emphasise the acoustic quality: hard surfaces, dripping water, echo. Show the space dim, humid and quiet, with steam catching the light shafts. Photorealistic, dark, primal and reverent, eye-level view at the water's edge.