diff --git a/main.py b/main.py
index 477dd2a..26c58a3 100644
--- a/main.py
+++ b/main.py
@@ -281,12 +281,17 @@ class App:
         col_widths = [140, 80, 60, 100, 100, 70, 100, 80, 140]
         for col, width in zip(columns, col_widths):
             self.result_tree.heading(col, text=col)
-            self.result_tree.column(col, width=width, anchor="center")
-        self.result_tree.pack(side="left", fill="both", expand=True)
+            self.result_tree.column(col, width=width, anchor="center", stretch=False)
 
         scroll_y = Scrollbar(result_frame, orient=VERTICAL, command=self.result_tree.yview)
-        scroll_y.pack(side=RIGHT, fill=Y)
-        self.result_tree.configure(yscrollcommand=scroll_y.set)
+        scroll_x = Scrollbar(result_frame, orient=HORIZONTAL, command=self.result_tree.xview)
+        self.result_tree.configure(yscrollcommand=scroll_y.set, xscrollcommand=scroll_x.set)
+
+        self.result_tree.grid(row=0, column=0, sticky="nsew")
+        scroll_y.grid(row=0, column=1, sticky="ns")
+        scroll_x.grid(row=1, column=0, sticky="ew")
+        result_frame.grid_rowconfigure(0, weight=1)
+        result_frame.grid_columnconfigure(0, weight=1)
 
     # ─── 配置管理 ───────────────────────────────────────────