diff --git a/source/css/common/variables.styl b/source/css/common/variables.styl
index 6a36379..fd7a018 100644
--- a/source/css/common/variables.styl
+++ b/source/css/common/variables.styl
@@ -6,8 +6,8 @@
 // ========================================================================================
 // layout
 // ========================================================================================
-$header-height = 68px;                                           // header height
-$header-shrink-height = 50px;                                    // header shrink height
+$header-height = 70px;                                           // header height
+$header-shrink-height = $header-height * 0.7;                   // header shrink height
 $scroll-progress-bar-height = 2px;                               // scroll progress bar height
 $main-content-width = 80%;                                       // main content width (PC)
 $main-content-width-tablet = 86%;                                // main content width (tablet)