{"gross_floor_m2":168.04306799999998,"stories":2,"required_x_cm_per_m2":29.0,"actual_x_cm":6023.5,"required_x_cm":2787.7879799999996,"required_y_cm_per_m2":29.0,"actual_y_cm":4883.25,"required_y_cm":2787.7879799999996,"balance_x":0.6198723792160438,"balance_y":0.5263157894736842,"pass":true,"messages":["壁量計算 OK (X: 6024/2788cm, Y: 4883/2788cm)","N値推定: 端部柱最大 24.0 kN → 推奨金物: ホールダウン金物 HD-B25","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2号建築物 (壁量+N値+柱小径+横架材スパン) — 延べ床168.0㎡ / 2階建て"],"n_value_max_kn":24.032655,"joint_recommendation":"ホールダウン金物 HD-B25","story_drift_ratio":0.002854439133773613,"story_drift_pass":true,"asd":null}