スタジアム内部：温かい木の天井と自然換気された観客席

Design a stadium interior inspired by Japan National Stadium featuring warm timber ceilings, naturally ventilated concourses, panoramic seating bowls, filtered daylight, and strong visual connections to surrounding greenery. Prioritize spectator comfort, openness, and environmental performance. A seating bowl under a radial timber-lined roof soffit, open concourses without glazing letting breeze and tree canopies in, seats in five mottled earth tones, filtered daylight through the roof edge onto the turf, layered greenery visible over the upper rim, late-afternoon light, wide view from the upper tier, 24mm lens, interior photography, ultra photorealistic, 8K