diff --git a/docs/css/custom.css b/docs/css/custom.css
index 670083d..b56e588 100644
--- a/docs/css/custom.css
+++ b/docs/css/custom.css
@@ -1,3 +1,12 @@
+/* ── TOC: hide phantom empty bullet when post starts with ### (h3) ──────── */
+/* Hugo wraps orphaned h3s in a li>ul, leaving an empty li with no direct
+   anchor. This hides it without affecting any meaningful TOC entry.         */
+#TableOfContents > ul > li:first-child:not(:has(> a)) {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+
 /* ── UniNotes ───────────────────────────────────────────────────────────── */
 
 .uninotes-breadcrumbs {
diff --git a/static/css/custom.css b/static/css/custom.css
index 670083d..b56e588 100644
--- a/static/css/custom.css
+++ b/static/css/custom.css
@@ -1,3 +1,12 @@
+/* ── TOC: hide phantom empty bullet when post starts with ### (h3) ──────── */
+/* Hugo wraps orphaned h3s in a li>ul, leaving an empty li with no direct
+   anchor. This hides it without affecting any meaningful TOC entry.         */
+#TableOfContents > ul > li:first-child:not(:has(> a)) {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+
 /* ── UniNotes ───────────────────────────────────────────────────────────── */
 
 .uninotes-breadcrumbs {