{"estimate":{"design_jpy":49436083,"direct_jpy":551742000,"disclaimer":"概算 (実施設計・相見積で変動)。確定額ではありません。","floors":2,"futai_jpy":49436083,"grand_total_jpy":825598915,"gross_m2":1829.14,"high_performance":false,"honbun_jpy":617951040,"honbun_per_m2_jpy":337837,"honbun_per_tsubo_jpy":1116816,"kakunin_jpy":2823710,"lines":[{"amount":32924520,"label":"仮設工事","unit":"¥18,000/㎡"},{"amount":54874200,"label":"基礎・地業 (寒冷地べた基礎)","unit":"¥30,000/㎡"},{"amount":113406680,"label":"木躯体 (籾殻SIPs+杉CLT)","unit":"¥62,000/㎡"},{"amount":40241080,"label":"屋根・防水 (ガルバ立平)","unit":"¥22,000/㎡"},{"amount":51215920,"label":"外装 (杉板張り)","unit":"¥28,000/㎡"},{"amount":87798720,"label":"内装・造作 (床オーク他)","unit":"¥48,000/㎡"},{"amount":69507320,"label":"建具・高性能サッシ (Low-E)","unit":"¥38,000/㎡"},{"amount":32924520,"label":"電気設備","unit":"¥18,000/㎡"},{"amount":36582800,"label":"給排水・衛生","unit":"¥20,000/㎡"},{"amount":29266240,"label":"空調・換気 (第一種熱交換)","unit":"¥16,000/㎡"},{"amount":3000000,"label":"太陽光発電 12kW","unit":"¥250,000/kW"}],"method":"部位別概算 (elemental) — 本体は延床ベース+モデル特徴量補正。総額は本体に付帯/設計/確認/税を積上 (詳細見積と同一定義)","misc_jpy":30897552,"pv_kw":12.0,"quantities":{"concrete_m3":0.0,"glass_area_m2":346.44,"opening_count":50,"roof_area_m2":96.0,"wall_area_m2":1285.1200000000001,"wood_m3":0.0},"rate_source":"高性能木造の部位別概算レンジ (2026 想定)。実施設計・相見積で確定。確定額ではありません。","rate_year":2026,"site_overhead_jpy":66209040,"site_overhead_rate":0.12,"subtotal_jpy":750544468,"tax_jpy":75054447},"slug":"famous-hamada-shikai","stored_construction_jpy":180000000,"title":"Project 13 — 旧四海小学校 (小豆島土庄町・olive + 醤油 retreat キャンパス)"}