diff --git a/content/docs/2020/fukujo-sounddesign/class-3/slides/_index.md b/content/docs/2020/fukujo-sounddesign/class-3/slides/_index.md
index 9482ecb..c0dd766 100644
--- a/content/docs/2020/fukujo-sounddesign/class-3/slides/_index.md
+++ b/content/docs/2020/fukujo-sounddesign/class-3/slides/_index.md
@@ -1,7 +1,7 @@
 ---
 title: 第3週
 date: 2020-05-13
-weight: 3
+bookHidden: true
 ---