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index 329d0b259..10cd294d9 100644
--- a/docs/python/04variables/index.mdx
+++ b/docs/01python/04variables/index.mdx
@@ -54,7 +54,7 @@ Python では定数は使えないようです。慣習的に定数は大文字
 
 ### 練習問題 1
 
-[式と演算子の項](/docs/python/03expressions/#問題)の摂氏温度から華氏温度を求める練習問題を変数を使って解いてみましょう。
+[式と演算子の項](/docs/01python/03expressions/#問題)の摂氏温度から華氏温度を求める練習問題を変数を使って解いてみましょう。
 
 <Answer>
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diff --git a/docs/python/index.mdx b/docs/01python/index.mdx
similarity index 100%
rename from docs/python/index.mdx
rename to docs/01python/index.mdx
diff --git a/docs/extras/1vscode/index.mdx b/docs/03extras/1vscode/index.mdx
similarity index 100%
rename from docs/extras/1vscode/index.mdx
rename to docs/03extras/1vscode/index.mdx
diff --git a/docs/extras/1vscode/install_vscode.mov b/docs/03extras/1vscode/install_vscode.mov
similarity index 100%
rename from docs/extras/1vscode/install_vscode.mov
rename to docs/03extras/1vscode/install_vscode.mov
diff --git a/docs/extras/2wsl/index.mdx b/docs/03extras/2wsl/index.mdx
similarity index 95%
rename from docs/extras/2wsl/index.mdx
rename to docs/03extras/2wsl/index.mdx
index fc31eb6e2..8168acbe2 100644
--- a/docs/extras/2wsl/index.mdx
+++ b/docs/03extras/2wsl/index.mdx
@@ -40,7 +40,7 @@ macOS は、Linux という OS と源流を同じくするので、プログラ
 
 ここでは、VSCode で WSL 上のファイルに簡単にアクセスできる Remote WSL 拡張機能のインストール方法を紹介します。
 
-[VSCode をインストールの項](/docs/extras/1vscode/)を参考に Visual Studio Code をインストールしておいてください。
+[VSCode をインストールの項](/docs/03extras/1vscode/)を参考に Visual Studio Code をインストールしておいてください。
 
 下記の動画を参考に VSCode に Remote WSL 拡張機能をインストールしてください。
 
diff --git a/docs/extras/2wsl/install_remote_wsl.mov b/docs/03extras/2wsl/install_remote_wsl.mov
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rename from docs/extras/2wsl/install_remote_wsl.mov
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diff --git a/docs/extras/2wsl/install_wsl.mov b/docs/03extras/2wsl/install_wsl.mov
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rename from docs/extras/2wsl/install_wsl.mov
rename to docs/03extras/2wsl/install_wsl.mov
diff --git a/docs/extras/2wsl/open_folder.mov b/docs/03extras/2wsl/open_folder.mov
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rename from docs/extras/2wsl/open_folder.mov
rename to docs/03extras/2wsl/open_folder.mov
diff --git a/docs/extras/2wsl/open_terminal.mov b/docs/03extras/2wsl/open_terminal.mov
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rename to docs/03extras/2wsl/open_terminal.mov
diff --git a/docs/extras/2wsl/start_wsl.mov b/docs/03extras/2wsl/start_wsl.mov
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diff --git a/docs/extras/3python/index.mdx b/docs/03extras/3python/index.mdx
similarity index 79%
rename from docs/extras/3python/index.mdx
rename to docs/03extras/3python/index.mdx
index 7b301b0f0..52ad382d5 100644
--- a/docs/extras/3python/index.mdx
+++ b/docs/03extras/3python/index.mdx
@@ -8,9 +8,9 @@ import installPython from "./install_python.mp4";
 
 ## 自分のパソコンへの Python のインストール方法
 
-[VSCode をインストールの項](/docs/extras/1vscode/)を参考に VSCode をインストールしておいてください。
+[VSCode をインストールの項](/docs/03extras/1vscode/)を参考に VSCode をインストールしておいてください。
 
-Windows を使っている場合は、[WSL をインストールの項](/docs/extras/2wsl/)を参考に WSL もインストールしておいてください。
+Windows を使っている場合は、[WSL をインストールの項](/docs/03extras/2wsl/)を参考に WSL もインストールしておいてください。
 
 VSCode で `samples` プロジェクトフォルダを開いている状態にしておいてください。
 
diff --git a/docs/extras/3python/install_python.mp4 b/docs/03extras/3python/install_python.mp4
similarity index 100%
rename from docs/extras/3python/install_python.mp4
rename to docs/03extras/3python/install_python.mp4
diff --git a/docs/extras/5tex/index.mdx b/docs/03extras/5tex/index.mdx
similarity index 93%
rename from docs/extras/5tex/index.mdx
rename to docs/03extras/5tex/index.mdx
index 4c1492160..f91409180 100644
--- a/docs/extras/5tex/index.mdx
+++ b/docs/03extras/5tex/index.mdx
@@ -13,9 +13,9 @@ import typesetTex from "./typeset_tex.mp4";
 
 ## TeXLive のインストール
 
-[VSCode をインストールの項](/docs/extras/1vscode/)を参考に VSCode をインストールしておいてください。
+[VSCode をインストールの項](/docs/03extras/1vscode/)を参考に VSCode をインストールしておいてください。
 
-Windows を使っている場合は、[WSL をインストールの項](/docs/extras/2wsl/)を参考に WSL もインストールしておいてください。
+Windows を使っている場合は、[WSL をインストールの項](/docs/03extras/2wsl/)を参考に WSL もインストールしておいてください。
 
 <Tabs groupId="os">
   <TabItem value="win-and-ubuntu" label="Windows 及び Ubuntu">
diff --git a/docs/extras/5tex/install_texlive.mov b/docs/03extras/5tex/install_texlive.mov
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diff --git a/docs/extras/5tex/tex_error.png b/docs/03extras/5tex/tex_error.png
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rename from docs/extras/5tex/tex_error.png
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diff --git a/docs/extras/5tex/typeset_tex.mp4 b/docs/03extras/5tex/typeset_tex.mp4
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diff --git a/docs/extras/index.mdx b/docs/03extras/index.mdx
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rename from docs/extras/index.mdx
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diff --git a/docs/index.mdx b/docs/index.mdx
index 09a31b173..d9576f6e2 100644
--- a/docs/index.mdx
+++ b/docs/index.mdx
@@ -24,16 +24,16 @@ Python やアルゴリズムについて簡単にまとめていこうかなと
 
 ## 更新履歴
 
-11/6 第四週の分を執筆 [ここから](/docs/python/09multi-array/)
+11/6 第四週の分を執筆 [ここから](/docs/01python/09multi-array/)
 
-11/6 range 関数についてを補足 [この下](/docs/python/08array/#%E5%95%8F%E9%A1%8C-1)
+11/6 range 関数についてを補足 [この下](/docs/01python/08array/#%E5%95%8F%E9%A1%8C-1)
 
-10/30 第三週の分を執筆 [ここから](/docs/python/07for/)
+10/30 第三週の分を執筆 [ここから](/docs/01python/07for/)
 
-10/23 第二週の分を執筆 [ここから](/docs/python/05function/)
+10/23 第二週の分を執筆 [ここから](/docs/01python/05function/)
 
 10/16 練習問題をさらに追加
 
 10/10 練習問題を追加
 
-10/10 第一周の分を執筆 [ここから](/docs/python/01google-colaboratory/)
+10/10 第一周の分を執筆 [ここから](/docs/01python/01google-colaboratory/)