{"estimate":{"design_jpy":733103,"direct_jpy":8181948,"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":733103,"grand_total_jpy":12326405,"gross_m2":25.098,"high_performance":true,"honbun_jpy":9163782,"honbun_per_m2_jpy":365120,"honbun_per_tsubo_jpy":1207008,"kakunin_jpy":117647,"lines":[{"amount":451764,"label":"仮設工事","unit":"¥18,000/㎡"},{"amount":752940,"label":"基礎・地業 (寒冷地べた基礎)","unit":"¥30,000/㎡"},{"amount":2208624,"label":"木躯体 (籾殻SIPs+杉CLT)","unit":"¥88,000/㎡"},{"amount":552156,"label":"屋根・防水 (ガルバ立平)","unit":"¥22,000/㎡"},{"amount":702744,"label":"外装 (杉板張り)","unit":"¥28,000/㎡"},{"amount":1204704,"label":"内装・造作 (床オーク他)","unit":"¥48,000/㎡"},{"amount":953724,"label":"建具・高性能サッシ (Low-E)","unit":"¥38,000/㎡"},{"amount":451764,"label":"電気設備","unit":"¥18,000/㎡"},{"amount":501960,"label":"給排水・衛生","unit":"¥20,000/㎡"},{"amount":401568,"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":458189,"pv_kw":0.0,"quantities":{"concrete_m3":0.0,"glass_area_m2":16.4368,"opening_count":8,"roof_area_m2":50.904917999999995,"wall_area_m2":96.87330000000001,"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":981834,"site_overhead_rate":0.12,"subtotal_jpy":11205823,"tax_jpy":1120582},"slug":"imp-bim-hongo","stored_construction_jpy":12326405,"title":"改善案: 文京区本郷 5 — 賃貸併用 RC 3 階"}