{"estimate":{"design_jpy":1110144,"direct_jpy":12390000,"disclaimer":"概算 (実施設計・相見積で変動)。確定額ではありません。","floors":1,"futai_jpy":1110144,"grand_total_jpy":18626166,"gross_m2":41.3,"high_performance":false,"honbun_jpy":13876800,"honbun_per_m2_jpy":336000,"honbun_per_tsubo_jpy":1110744,"kakunin_jpy":141950,"lines":[{"amount":743400,"label":"仮設工事","unit":"¥18,000/㎡"},{"amount":1239000,"label":"基礎・地業 (寒冷地べた基礎)","unit":"¥30,000/㎡"},{"amount":2560600,"label":"木躯体 (籾殻SIPs+杉CLT)","unit":"¥62,000/㎡"},{"amount":908600,"label":"屋根・防水 (ガルバ立平)","unit":"¥22,000/㎡"},{"amount":1156400,"label":"外装 (杉板張り)","unit":"¥28,000/㎡"},{"amount":1982400,"label":"内装・造作 (床オーク他)","unit":"¥48,000/㎡"},{"amount":1569400,"label":"建具・高性能サッシ (Low-E)","unit":"¥38,000/㎡"},{"amount":743400,"label":"電気設備","unit":"¥18,000/㎡"},{"amount":826000,"label":"給排水・衛生","unit":"¥20,000/㎡"},{"amount":660800,"label":"空調・換気 (第一種熱交換)","unit":"¥16,000/㎡"}],"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":693840,"pv_kw":0.0,"quantities":{"concrete_m3":0.0,"glass_area_m2":28.623414,"opening_count":14,"roof_area_m2":63.943506,"wall_area_m2":178.30069999999998,"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":1486800,"site_overhead_rate":0.12,"subtotal_jpy":16932878,"tax_jpy":1693288},"slug":"u-house-ebvxn6yc","stored_construction_jpy":18626166,"title":"北海道・平屋の別荘"}