diff --git a/style.css b/style.css
index 7bef2ad..b51f3e5 100644
--- a/style.css
+++ b/style.css
@@ -286,19 +286,15 @@ body.toc-collapsed .toc-toggle::before {
     margin-left: 0;
     transform: translateX(-100%);
     transition: transform 0.3s ease, opacity 0.3s ease;
+    animation: none;
   }
 
-  .toc:not(.collapsed) {
+  body.toc-open .toc {
     transform: translateX(0);
     opacity: 1;
     pointer-events: auto;
   }
 
-  .toc.collapsed {
-    opacity: 0;
-    pointer-events: none;
-  }
-
   .toc-toggle {
     top: 50%;
     bottom: auto;