diff --git a/source/css/layout/_partial/first-screen.styl b/source/css/layout/_partial/first-screen.styl
index f33a374..9a37f93 100644
--- a/source/css/layout/_partial/first-screen.styl
+++ b/source/css/layout/_partial/first-screen.styl
@@ -1,5 +1,5 @@
-$pc-font-size = 2rem;
-$tablet-font-size = 1.8rem;
+$first-screen-font-size = 2rem;
+$first-screen-icon-size = 1.6rem;
 
 .first-screen-container {
   position: relative;
@@ -16,24 +16,24 @@ $tablet-font-size = 1.8rem;
 
     .description {
       font-weight: bold;
-      font-size: $pc-font-size;
+      font-size: $first-screen-font-size;
       line-height: 1.8;
       text-align: center;
 
       +keep-tablet() {
-        font-size: $tablet-font-size;
+        font-size: $first-screen-font-size * 0.9;
       }
     }
 
     .s-icon-list {
       position: absolute;
       bottom: $component-interspace;
-      font-size: $pc-font-size * 0.9;
+      font-size: $first-screen-icon-size;
       left: 50%;
       transform: translateX(-50%);
 
       +keep-tablet() {
-        font-size: $tablet-font-size * 0.9;
+        font-size: $first-screen-icon-size * 0.9;
       }
 
       .s-icon-item {