diff --git a/src/_includes/global/shrineinfo.njk b/src/_includes/global/shrineinfo.njk
index c8ccacae..6991f2f0 100644
--- a/src/_includes/global/shrineinfo.njk
+++ b/src/_includes/global/shrineinfo.njk
@@ -21,7 +21,8 @@
 
     .shrine__info {
         padding: 1rem;
-        overflow: auto;
+        max-height: var(--ht-sticky-sidebar);
+        overflow-x: auto;
     }
 
     .shrine__info h2 {
diff --git a/src/_includes/global/toc.njk b/src/_includes/global/toc.njk
index 3328b554..1196b02b 100644
--- a/src/_includes/global/toc.njk
+++ b/src/_includes/global/toc.njk
@@ -11,7 +11,7 @@
 
 {%- css %}
     .toc__wrapper {
-        max-height: 89vh;
+        max-height: var(--ht-sticky-sidebar);
         overflow-x: auto;
         background-color: var(--clr-content-bg);
         padding: 1rem 1.3rem;
diff --git a/src/assets/css/global.css b/src/assets/css/global.css
index 18dcff69..0b64d520 100644
--- a/src/assets/css/global.css
+++ b/src/assets/css/global.css
@@ -48,6 +48,8 @@
     --sz-navbar-ht: 4rem;
     --sz-external-link: 1.25em;
     --sz-content-list-gap: 0.7em;
+
+    --ht-sticky-sidebar: 89vh;
 }
 
 /* ------------------- */