{"estimate":{"design_jpy":1229257,"direct_jpy":13719384,"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":1229257,"grand_total_jpy":20609199,"gross_m2":42.084,"high_performance":true,"honbun_jpy":15365710,"honbun_per_m2_jpy":365120,"honbun_per_tsubo_jpy":1207008,"kakunin_jpy":143126,"lines":[{"amount":757512,"label":"仮設工事","unit":"¥18,000/㎡"},{"amount":1262520,"label":"基礎・地業 (寒冷地べた基礎)","unit":"¥30,000/㎡"},{"amount":3703392,"label":"木躯体 (籾殻SIPs+杉CLT)","unit":"¥88,000/㎡"},{"amount":925848,"label":"屋根・防水 (ガルバ立平)","unit":"¥22,000/㎡"},{"amount":1178352,"label":"外装 (杉板張り)","unit":"¥28,000/㎡"},{"amount":2020032,"label":"内装・造作 (床オーク他)","unit":"¥48,000/㎡"},{"amount":1599192,"label":"建具・高性能サッシ (Low-E)","unit":"¥38,000/㎡"},{"amount":757512,"label":"電気設備","unit":"¥18,000/㎡"},{"amount":841680,"label":"給排水・衛生","unit":"¥20,000/㎡"},{"amount":673344,"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":768286,"pv_kw":0.0,"quantities":{"concrete_m3":0.0,"glass_area_m2":35.36000000000001,"opening_count":13,"roof_area_m2":43.884,"wall_area_m2":181.34279999999998,"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":1646326,"site_overhead_rate":0.12,"subtotal_jpy":18735635,"tax_jpy":1873564},"slug":"imp-bim","stored_construction_jpy":20609199,"title":"改善案: 渋谷区笹塚 2 — 狭小地"}