fix sidebar

assets/sass/_theme/design-system/table_of_contents.sass

@@ -130,7 +130,7 @@
         margin-top: 0
         height: 100%
         position: absolute
-        width: col-outside-container(4)
+        width: columns(4)
         .toc-content
             overflow-y: auto
             max-height: calc(100vh - var(--header-height))