Docs: update changeset comments

black7375 · black7375 · commit 97e36661930b · 2025-07-26T00:00:00.000+09:00
diff --git a/.changeset/plenty-turkeys-retire.md b/.changeset/plenty-turkeys-retire.md
@@ -2,6 +2,8 @@
 "@mincho-js/css": minor
 ---
 
-**New**
+**css**
+
+## New
 
 - Add `rules.raw()` API
diff --git a/.changeset/sad-meals-rescue.md b/.changeset/sad-meals-rescue.md
@@ -3,6 +3,8 @@
 "@mincho-js/css": minor
 ---
 
+**css**
+
 ## New
 
 - Add `css.multiple()` API
