{"gross_floor_m2":69.9354,"stories":1,"required_x_cm_per_m2":21.0,"actual_x_cm":3300.0,"required_x_cm":1468.6434,"required_y_cm_per_m2":21.0,"actual_y_cm":4245.0,"required_y_cm":1468.6434,"balance_x":0.58,"balance_y":0.58,"pass":true,"messages":["壁量計算 OK (X: 3300/1469cm, Y: 4245/1469cm)","N値推定: 端部柱最大 8.7 kN → 推奨金物: ホールダウン金物 HD-B10","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3号建築物 (審査省略可) — 延べ床69.9㎡ / 1階建て"],"n_value_max_kn":8.741925,"joint_recommendation":"ホールダウン金物 HD-B10","story_drift_ratio":0.002225217272727273,"story_drift_pass":true,"asd":null}