diff --git a/README.md b/README.md
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+仮想環境
+
+```sh
+python -m venv venv
+.\venv\Scripts\activate
+```
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diff --git a/graphes/base/positioning_map.py b/graphes/base/positioning_map.py
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+import matplotlib.pyplot as plt
+
+# サンプルデータを辞書で定義
+data = [
+    {"name": "Product A", "x": 8, "y": 7},
+    {"name": "Product B", "x": 3, "y": 8},
+    {"name": "Product C", "x": 6, "y": 4},
+    {"name": "Product D", "x": 2, "y": 6}
+]
+
+# データを軸ごとに分ける
+categories = [item["name"] for item in data]
+x = [item["x"] for item in data]
+y = [item["y"] for item in data]
+
+# グラフの作成
+plt.figure(figsize=(8, 6))
+plt.scatter(x, y, s=200, color='skyblue', edgecolors='black', alpha=0.7)
+
+# 各データポイントにラベルを付ける
+for i, category in enumerate(categories):
+    plt.text(x[i] + 0.2, y[i], category, fontsize=10)
+
+# 軸ラベルとタイトル
+plt.title('Positioning Map', fontsize=16)
+plt.xlabel('Price (X-axis)', fontsize=12)
+plt.ylabel('Quality (Y-axis)', fontsize=12)
+
+# グリッドを追加
+plt.grid(alpha=0.3)
+
+# X軸とY軸の範囲を設定
+plt.xlim(0, 10)
+plt.ylim(0, 10)
+
+# グラフを表示
+plt.tight_layout()
+plt.show()
diff --git a/requirements.txt b/requirements.txt
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+matplotlib
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