{"gross_floor_m2":221.851,"stories":2,"required_x_cm_per_m2":29.0,"actual_x_cm":7055.5,"required_x_cm":3386.8665,"required_y_cm_per_m2":29.0,"actual_y_cm":8280.5,"required_y_cm":3386.8665,"balance_x":0.6198034769463341,"balance_y":0.5263157894736842,"pass":true,"messages":["壁量計算 OK (X: 7056/3387cm, Y: 8280/3387cm)","N値推定: 端部柱最大 29.2 kN → 推奨金物: ホールダウン金物 HD-B25 を 2 本 (要構造計算)","計算仮定: 軽い屋根+2階建て係数29 cm/m² (令第46条 表3)、壁倍率は構造用合板2.5/筋交2.0/IFCWALLSTANDARDCASE1.5/汎用1.0 の簡易判定。N値は端部柱の保守側推定。層間変形角は弾性域で 1/(200×剛性比) で近似。実際の構造設計では各柱位置で個別計算 + 構造一級建築士の検証必須。","4号特例廃止 (2025-04-01) 区分: 新1号相当 (2階建て+延べ床200㎡超: 構造計算書必須) — 延べ床221.9㎡ / 2階建て"],"n_value_max_kn":29.197125,"joint_recommendation":"ホールダウン金物 HD-B25 を 2 本 (要構造計算)","story_drift_ratio":0.0024001605130749056,"story_drift_pass":true,"asd":{"vertical_load_kn_m2":3.4,"ci":0.2,"seismic_force_1f_kn":228.90546,"wind_load_kn_m2":0.84,"eccentricity_x":0.2401727231207969,"eccentricity_y":0.2504085944583846,"stiffness_ratio":[1.131663893177216,0.7382575901870405],"column_max_stress_nmm2":8.651,"beam_max_stress_nmm2":7.232142857142857,"pass":true,"messages":["許容応力度計算 OK: 偏心率 X0.24/Y0.25、剛性率 0.8、柱応力度 8.7/22、梁応力度 7.2/30","計算根拠: Z=1.0 Rt=1.0 C0=0.2 Ai_1F=1.0、固定+積載+仕上+雪=3.4kN/m²、風荷重=0.84kN/m² (V0=34m/s)、柱105×105、梁105×240。詳細は構造一級建築士確認必須。"],"basis":"建築基準法施行令第82条準拠 (簡易) / 建告1100号・1460号 / 4号特例廃止 2025-04-01 対応"}}