{"estimate":{"design_jpy":1904538,"direct_jpy":21256000,"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":1904538,"grand_total_jpy":31867144,"gross_m2":56.0,"high_performance":true,"honbun_jpy":23806720,"honbun_per_m2_jpy":425120,"honbun_per_tsubo_jpy":1405355,"kakunin_jpy":164000,"lines":[{"amount":1008000,"label":"仮設工事","unit":"¥18,000/㎡"},{"amount":1680000,"label":"基礎・地業 (寒冷地べた基礎)","unit":"¥30,000/㎡"},{"amount":4928000,"label":"木躯体 (籾殻SIPs+杉CLT)","unit":"¥88,000/㎡"},{"amount":1232000,"label":"屋根・防水 (ガルバ立平)","unit":"¥22,000/㎡"},{"amount":1568000,"label":"外装 (杉板張り)","unit":"¥28,000/㎡"},{"amount":2688000,"label":"内装・造作 (床オーク他)","unit":"¥48,000/㎡"},{"amount":2128000,"label":"建具・高性能サッシ (Low-E)","unit":"¥38,000/㎡"},{"amount":1008000,"label":"電気設備","unit":"¥18,000/㎡"},{"amount":1120000,"label":"給排水・衛生","unit":"¥20,000/㎡"},{"amount":896000,"label":"空調・換気 (第一種熱交換)","unit":"¥16,000/㎡"},{"amount":3000000,"label":"太陽光発電 12kW","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":1190336,"pv_kw":12.0,"quantities":{"concrete_m3":0.0,"glass_area_m2":16.259999999999998,"opening_count":3,"roof_area_m2":77.971,"wall_area_m2":118.01999999999998,"wood_m3":98.80995000000001},"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":2550720,"site_overhead_rate":0.12,"subtotal_jpy":28970131,"tax_jpy":2897013},"slug":"famous-soluna-nesting","stored_construction_jpy":8900000,"title":"SOLUNA NESTING — ¥8.9M / 56㎡ / 家族 4 人・2 寝室"}