{"estimate":{"design_jpy":18242560,"direct_jpy":203600000,"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":18242560,"grand_total_jpy":304588592,"gross_m2":600.0,"high_performance":true,"honbun_jpy":228032000,"honbun_per_m2_jpy":380053,"honbun_per_tsubo_jpy":1256375,"kakunin_jpy":980000,"lines":[{"amount":10800000,"label":"仮設工事","unit":"¥18,000/㎡"},{"amount":18000000,"label":"基礎・地業 (寒冷地べた基礎)","unit":"¥30,000/㎡"},{"amount":52800000,"label":"木躯体 (籾殻SIPs+杉CLT)","unit":"¥88,000/㎡"},{"amount":13200000,"label":"屋根・防水 (ガルバ立平)","unit":"¥22,000/㎡"},{"amount":16800000,"label":"外装 (杉板張り)","unit":"¥28,000/㎡"},{"amount":28800000,"label":"内装・造作 (床オーク他)","unit":"¥48,000/㎡"},{"amount":22800000,"label":"建具・高性能サッシ (Low-E)","unit":"¥38,000/㎡"},{"amount":10800000,"label":"電気設備","unit":"¥18,000/㎡"},{"amount":12000000,"label":"給排水・衛生","unit":"¥20,000/㎡"},{"amount":9600000,"label":"空調・換気 (第一種熱交換)","unit":"¥16,000/㎡"},{"amount":8000000,"label":"太陽光発電 32kW","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":11401600,"pv_kw":32.0,"quantities":{"concrete_m3":0.0,"glass_area_m2":11.340000000000003,"opening_count":7,"roof_area_m2":846.0,"wall_area_m2":737.1000000000001,"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":24432000,"site_overhead_rate":0.12,"subtotal_jpy":276898720,"tax_jpy":27689872},"slug":"famous-hamada-haikou","stored_construction_jpy":80000000,"title":"Project 02 — 旧弥栄小学校 BIM 改修 (標茶町上多和原野)"}