diff --git a/themes/mytheme/assets/css/common/post-entry.css b/themes/mytheme/assets/css/common/post-entry.css
index bff01ca..2c8ec3c 100644
--- a/themes/mytheme/assets/css/common/post-entry.css
+++ b/themes/mytheme/assets/css/common/post-entry.css
@@ -10,6 +10,13 @@
     border-bottom: solid 2px var(--entry);
 }
 
+
+@media (max-width: 768px) {
+.first-entry {
+    height: calc(var(--vh, 1vh) * 100 - var(--header-height) * 2 - var(--gap) * 1);
+}
+}
+
 .first-entry .entry-header {
     overflow: hidden;
     display: -webkit-box;
@@ -40,9 +47,7 @@
 }
 
 .post-entry-title {
-
     padding: var(--gap);
-
 }
 
 .home-info .entry-content {