diff --git a/src/styles.css b/src/styles.css
index eaaba95e..c172fb9e 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -211,6 +211,9 @@ html, body{
 ::highlight(cbsdisplay) {
   @apply text-cyan-500;
 }
+::highlight(comment) {
+  color: var(--risu-theme-textcolor2);
+}
 
 ::highlight(decorator) {
   color: var(--risu-theme-draculared);
diff --git a/src/ts/gui/highlight.ts b/src/ts/gui/highlight.ts
index cfb4c908..1ab35889 100644
--- a/src/ts/gui/highlight.ts
+++ b/src/ts/gui/highlight.ts
@@ -210,6 +210,10 @@ function simpleCBSHighlightParser(node:Node,text:string){
                 }
             }
 
+            if(upString.startsWith('// ')){
+                highlightMode[depth] = 4
+            }
+
             colorHighlight()
         }
     }
@@ -229,6 +233,9 @@ function simpleCBSHighlightParser(node:Node,text:string){
                 case 3:
                     ranges.push([range, 'deprecated'])
                     break;
+                case 4:
+                    ranges.push([range, 'comment'])
+                    break;
             }
         }
     }