diff --git a/website/src/components/ui/common/SideNavigation.tsx b/website/src/components/ui/common/SideNavigation.tsx
index ac77925b8c..463a62d5b3 100644
--- a/website/src/components/ui/common/SideNavigation.tsx
+++ b/website/src/components/ui/common/SideNavigation.tsx
@@ -14,7 +14,7 @@ export const SideNavigation = ({
 	currentPath,
 }: SideNavigationProps) => {
 	return (
-		<nav class="folding flex-none w-full bg-white border border-neutral-200/60 rounded-md sticky top-[60px] mt-4 mb-8 h-[calc(100vh-60px-1rem)] overflow-auto px-3.5 py-3">
+		<nav class="folding flex-none w-full bg-white border border-neutral-200/60 rounded-md sticky top-[80px] mt-4 mb-8 h-[calc(100vh-80px-1rem)] overflow-auto px-3.5 py-3">
 			<ul class="space-y-1 text-xs text-neutral-700">
 				{docs?.map((firstLevel, idx) => (
 					<>
diff --git a/website/src/components/ui/common/TableOfContents.tsx b/website/src/components/ui/common/TableOfContents.tsx
index 30c6574551..ddfceeb756 100644
--- a/website/src/components/ui/common/TableOfContents.tsx
+++ b/website/src/components/ui/common/TableOfContents.tsx
@@ -12,7 +12,7 @@ export const TableOfContents = ({ outline }: TableOfContentsProps) => {
 	return (
 		<nav
 			id="page-overview"
-			class="flex-none w-full px-3.5 py-3 border border-neutral-200/60 rounded-md bg-white sticky top-[60px] mt-4 mb-8 h-[calc(100vh-60px-1rem)] overflow-auto"
+			class="flex-none w-full px-3.5 py-3 border border-neutral-200/60 rounded-md bg-white sticky top-[80px] mt-4 mb-8 h-[calc(100vh-80px-1rem)] overflow-auto"
 		>
 			<strong class="block mb-2 text-xs text-neutral-500 font-semibold tracking-wide">
 				目次