diff --git a/introduction.html b/introduction.html
new file mode 100644
index 0000000..e6aff72
--- /dev/null
+++ b/introduction.html
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html lang="ja">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Introduction</title>
+  </head>
+  <body></body>
+</html>
