diff --git a/src/components/common/Header/components/HeaderSubMenuMobile/HeaderSubMenuMobile.module.scss b/src/components/common/Header/components/HeaderSubMenuMobile/HeaderSubMenuMobile.module.scss
index 5480b5d10..230d9e59e 100644
--- a/src/components/common/Header/components/HeaderSubMenuMobile/HeaderSubMenuMobile.module.scss
+++ b/src/components/common/Header/components/HeaderSubMenuMobile/HeaderSubMenuMobile.module.scss
@@ -7,6 +7,7 @@
     padding: 2rem 1rem;
     border-top: 1px solid var(--border-line);
     box-shadow: -5px 6px 10px rgba(0, 0, 0, 0.2);
+    z-index: 9999;
     .menu {
         @apply grid grid-cols-4;
         li {