diff --git a/src/accuracy_report.py b/src/accuracy_report.py
index e48d99e..0763889 100644
--- a/src/accuracy_report.py
+++ b/src/accuracy_report.py
@@ -329,7 +329,7 @@ def build_markdown(records: list[dict[str, object]], conditions: list[dict[str,
         lines += ["", f"全距離で共通に使う保守的な値: θ_th = {max(t['theta_th_deg'] for t in thresholds.values()):.2f}°"]
     lines += [f"- {w}" for w in warn]
     lines += ["", "## 条件別の結果", "",
-              "| 距離[m] | pitch | 真値[°] | 試行 | frames | bias | SD(試行間) | SD(試行内) | SD(全体) | RMSE | 95%|誤差| | 検出率 | θ超過率 |",
+              "| 距離[m] | pitch | 真値[°] | 試行 | frames | bias | SD(試行間) | SD(試行内) | SD(全体) | RMSE | 95%誤差 | 検出率 | θ超過率 |",
               "|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|"]
     for c in conditions:
         lines.append(f"| {float(c['distance_m']):g} | {float(c['pitch_deg']):+g} | {float(c['true_yaw_deg']):+g} | "  # type: ignore[arg-type]