{"estimate":{"design_jpy":4123736,"direct_jpy":46023840,"disclaimer":"概算 (実施設計・相見積で変動)。確定額ではありません。","floors":3,"futai_jpy":4123736,"grand_total_jpy":68949790,"gross_m2":153.4128,"high_performance":false,"honbun_jpy":51546701,"honbun_per_m2_jpy":336000,"honbun_per_tsubo_jpy":1110744,"kakunin_jpy":310119,"lines":[{"amount":2761430,"label":"仮設工事","unit":"¥18,000/㎡"},{"amount":4602384,"label":"基礎・地業 (寒冷地べた基礎)","unit":"¥30,000/㎡"},{"amount":9511594,"label":"木躯体 (籾殻SIPs+杉CLT)","unit":"¥62,000/㎡"},{"amount":3375082,"label":"屋根・防水 (ガルバ立平)","unit":"¥22,000/㎡"},{"amount":4295558,"label":"外装 (杉板張り)","unit":"¥28,000/㎡"},{"amount":7363814,"label":"内装・造作 (床オーク他)","unit":"¥48,000/㎡"},{"amount":5829686,"label":"建具・高性能サッシ (Low-E)","unit":"¥38,000/㎡"},{"amount":2761430,"label":"電気設備","unit":"¥18,000/㎡"},{"amount":3068256,"label":"給排水・衛生","unit":"¥20,000/㎡"},{"amount":2454605,"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":2577335,"pv_kw":0.0,"quantities":{"concrete_m3":0.0,"glass_area_m2":88.89861900000001,"opening_count":26,"roof_area_m2":119.68575,"wall_area_m2":474.45700000000005,"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":5522861,"site_overhead_rate":0.12,"subtotal_jpy":62681627,"tax_jpy":6268163},"slug":"u-house-itnl3fgd","stored_construction_jpy":70440510,"title":"千葉県館山市北条 — 海近の中古地"}