{"gross_floor_m2":137.154368,"stories":1,"required_x_cm_per_m2":21.0,"actual_x_cm":4867.85,"required_x_cm":2880.241728,"required_y_cm_per_m2":21.0,"actual_y_cm":8057.7,"required_y_cm":2880.241728,"balance_x":0.622980251346499,"balance_y":0.526334498489247,"pass":true,"messages":["壁量計算 OK (X: 4868/2880cm, Y: 8058/2880cm)","N値推定: 端部柱最大 17.1 kN → 推奨金物: ホールダウン金物 HD-B20","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137.2㎡ / 1階建て"],"n_value_max_kn":17.144296,"joint_recommendation":"ホールダウン金物 HD-B20","story_drift_ratio":0.0029584331152356785,"story_drift_pass":true,"asd":null}