Fix sidenotes pushing each other horizontally

Add clear:right to ensure sidenotes stack vertically
instead of being pushed off to the side.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

kjvstudy_org/templates/chapter.html

@@ -127,6 +127,14 @@
     content: "";
 }
 
+/* Prevent sidenotes from pushing each other horizontally */
+.sidenote, .marginnote {
+    clear: right;
+    float: right;
+    margin-right: -60%;
+    width: 50%;
+}
+
 /* Cross-refs: collapsed by default, show just first ref per group */
 .sidenote.cross-refs {
     cursor: pointer;