diff --git a/scripts/show_led_geometry.py b/scripts/show_led_geometry.py
index f384be3..278000b 100644
--- a/scripts/show_led_geometry.py
+++ b/scripts/show_led_geometry.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """LED 配置・サイズ・向きを 3D で確認するビューア．
 
 筐体を半透明にして，各 LED を実サイズ（light.size）の長方形＋発光方向の矢印で
@@ -14,6 +13,7 @@
     # スクリーンショットを 4 アングル保存（画面を開かない）
     python scripts/show_led_geometry.py --screenshot output/_slide_panels/led_geom
 """
+
 from __future__ import annotations
 
 import argparse
@@ -22,8 +22,8 @@
 import numpy as np
 import pyvista as pv
 
-import sm_tias_lightsim.geometry.loader as G
-import sm_tias_lightsim.scene.schema as S
+from sm_tias_lightsim.geometry.loader import load_stl
+from sm_tias_lightsim.scene.schema import SceneConfig, load_scene_yaml
 
 _GROUP_COLORS = {"bottom": "red", "left": "green", "right": "blue"}
 _ARROW_LEN_MM = 12.0
@@ -54,12 +54,14 @@
     half_x = light.size[0] / 2.0
     x_hat = np.array([1.0, 0.0, 0.0])
     y_hat = np.array([0.0, 1.0, 0.0])
-    corners = np.array([
-        center - half_x * x_hat - _BUGGY_STRIP_HALF_Y_MM * y_hat,
-        center + half_x * x_hat - _BUGGY_STRIP_HALF_Y_MM * y_hat,
-        center + half_x * x_hat + _BUGGY_STRIP_HALF_Y_MM * y_hat,
-        center - half_x * x_hat + _BUGGY_STRIP_HALF_Y_MM * y_hat,
-    ])
+    corners = np.array(
+        [
+            center - half_x * x_hat - _BUGGY_STRIP_HALF_Y_MM * y_hat,
+            center + half_x * x_hat - _BUGGY_STRIP_HALF_Y_MM * y_hat,
+            center + half_x * x_hat + _BUGGY_STRIP_HALF_Y_MM * y_hat,
+            center - half_x * x_hat + _BUGGY_STRIP_HALF_Y_MM * y_hat,
+        ]
+    )
     return pv.PolyData(corners, np.array([4, 0, 1, 2, 3]))
 
 
@@ -71,14 +73,16 @@
     return os.path.join("configs", "meshes", base)
 
 
-def _build_plotter(scene_config: S.SceneConfig, *, off_screen: bool, buggy: bool = False) -> pv.Plotter:
+def _build_plotter(
+    scene_config: SceneConfig, *, off_screen: bool, buggy: bool = False
+) -> pv.Plotter:
     pv.global_theme.allow_empty_mesh = True
     plotter = pv.Plotter(off_screen=off_screen, window_size=(1400, 1050))
     plotter.set_background("white")
 
     # 筐体（半透明）・評価板（シアン）・暗い phone/holder
     for mesh_config in scene_config.geometry.meshes:
-        loaded = G.load_stl(_resolve_mesh_path(mesh_config.path), "mm")
+        loaded = load_stl(_resolve_mesh_path(mesh_config.path), "mm")
         vertices = np.array(loaded.vertices)
         faces_arr = np.array(loaded.faces)
         faces = np.hstack([np.full((faces_arr.shape[0], 1), 3), faces_arr]).ravel()
@@ -97,7 +101,9 @@
         center = np.array(light.center, dtype=float)
         direction = np.array(light.direction, dtype=float)
         direction = direction / np.linalg.norm(direction)
-        plotter.add_mesh(_led_polydata(light, buggy=buggy), color=color, opacity=0.6 if buggy else 1.0)
+        plotter.add_mesh(
+            _led_polydata(light, buggy=buggy), color=color, opacity=0.6 if buggy else 1.0
+        )
         plotter.add_mesh(
             pv.Arrow(start=center.tolist(), direction=direction.tolist(), scale=_ARROW_LEN_MM),
             color=color,
@@ -106,7 +112,9 @@
     # センサ（球＋視線矢印）
     sensor_pos = np.array(scene_config.sensor.position, dtype=float)
     sensor_target = np.array(scene_config.sensor.target, dtype=float)
-    plotter.add_mesh(pv.Sphere(radius=_ARROW_LEN_MM * 0.4, center=sensor_pos.tolist()), color="black")
+    plotter.add_mesh(
+        pv.Sphere(radius=_ARROW_LEN_MM * 0.4, center=sensor_pos.tolist()), color="black"
+    )
     view_dir = sensor_target - sensor_pos
     view_dir = view_dir / np.linalg.norm(view_dir)
     plotter.add_mesh(
@@ -126,13 +134,17 @@
         size=(0.20, 0.20),
     )
     plotter.show_axes()
-    plotter.show_bounds(color="gray", location="outer", xtitle="X(mm)", ytitle="Y(mm)", ztitle="Z(mm)")
+    plotter.show_bounds(
+        color="gray", location="outer", xtitle="X(mm)", ytitle="Y(mm)", ztitle="Z(mm)"
+    )
     return plotter
 
 
 def main() -> None:
     parser = argparse.ArgumentParser(description="LED 配置・サイズ・向きを 3D で確認する")
-    parser.add_argument("--scene", "-s", default="configs/scene_baseline.yaml", help="シーン定義 YAML")
+    parser.add_argument(
+        "--scene", "-s", default="configs/scene_baseline.yaml", help="シーン定義 YAML"
+    )
     parser.add_argument(
         "--screenshot",
         default=None,
@@ -145,10 +157,12 @@
     )
     args = parser.parse_args()
 
-    scene_config = S.load_scene_yaml(args.scene)
+    scene_config = load_scene_yaml(args.scene)
     mode = "BUGGY (2m strip)" if args.buggy else "FIXED"
-    print(f"[{mode}] LED 数: {len(scene_config.lights)}  size(mm): {scene_config.lights[0].size}  "
-          f"direction: {scene_config.lights[0].direction}")
+    print(
+        f"[{mode}] LED 数: {len(scene_config.lights)}  size(mm): {scene_config.lights[0].size}  "
+        f"direction: {scene_config.lights[0].direction}"
+    )
 
     if args.screenshot:
         plotter = _build_plotter(scene_config, off_screen=True, buggy=args.buggy)