작업

dist/assets/css/style.css

@@ -852,6 +852,9 @@ html {
   z-index: 10;
   display: none;
 }
+.menu-list .item .submenu li + li {
+  margin-top: -1px;
+}
 .menu-list .item .submenu li a {
   display: flex;
   border: 1px solid #cccccc;

src/scss/common/_layout.scss

@@ -535,6 +535,10 @@ body:has(#mobile-left-menu.opened) {
       display:none;
 
       li {
+        & + li {
+          margin-top:-1px;
+        }
+
         a {
           display:flex;
           border: 1px solid #cccccc;