diff --git a/docs/syntax.md b/docs/syntax.md
index e36ca1fa33a49ce1032abe310a341c0365480183..36703d71211a417140f4085c9d331242c3e347bd 100644
--- a/docs/syntax.md
+++ b/docs/syntax.md
@@ -1,4 +1,13 @@
-<h1>目次</h2>
+<style>
+h1 {
+	margin-top: 4rem;
+}
+h1.head {
+	margin-top: 0;
+}
+</style>
+
+<h1 class="head">目次</h2>
 
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 - [引用ブロック](#quote)