{"$schema":"https://bim.house/spec/v1.json","_note":"project metadata override for /api/showcase/famous-jp-standard/bim.json. 日本一般戸建 (標準モデル) / 4LDK 110 ㎡ / 木造軸組 2F / 都市部住宅地 / 建売・注文住宅 平均値. 比較ベースライン用標準戸建.","project":{"_accuracy_verified_at":"2026-05-13","_demo":true,"_demo_reason":"famous-* は歴史建築 or 濱田個人ビジョン物件、実申請対象外 (shukuji 判定)","_historical_note":"都市部 4LDK 110 ㎡ 木造 2F 標準モデル。日本の戸建着工統計 (国交省) の平均的仕様。歴史的名建築との比較ベースラインとして配置。","_reviews":{"design":{"area_sum_m2":98.0,"area_sum_match":true,"ceiling_height_compliant":true,"daylight_pass_count":5,"daylight_total_residential":5,"fixes_applied":[],"ldk_count":1,"notes":[],"residential_rooms_count":5,"review_date":"2026-05-13","reviewer":"濱田優貴 (一級建築士)","rooms_count":9},"equipment_1kyu":{"city_gas_available":true,"cold_region":false,"issues_fixed":0,"issues_found":0,"notes":"全項目 妥当 — 建基法 28 条の 2 / 内線規程 / 給水装置工事基準 適合","recommended_elec_a":50,"recommended_hw_l":460,"recommended_vent_m3h":118,"reviewed_at":"2026-05-13","reviewer":"濱田優貴 (設備設計一級建築士 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