diff --git a/public/index.html b/public/index.html
index 7793c1d..32d82dc 100644
--- a/public/index.html
+++ b/public/index.html
@@ -150,9 +150,14 @@
     overflow-y: auto; padding: 40px 16px;
   }
   @media (max-width: 520px) {
-    .login-overlay { justify-content: flex-start; padding-top: 24px; }
+    .login-overlay { justify-content: flex-start; padding-top: 16px; }
+    .login-hero { margin-bottom: 16px; }
     .login-hero img { max-width: 100%; }
-    .login-tagline { font-size: calc(var(--title-size) * 0.85); }
+    .login-tagline { font-size: var(--title-size); margin: 16px 0 4px; }
+    .login-tagline-sub { font-size: calc(var(--font-size) + 1px); }
+    .login-box { max-width: 100%; }
+    .login-members { gap: 10px; }
+    .login-member-btn { padding: 10px 16px; }
   }
   .login-hero {
     width: 100%; max-width: 420px; margin-bottom: 24px; text-align: center;