diff --git a/style.css b/style.css
index eb1991e..8cc2da0 100644
--- a/style.css
+++ b/style.css
@@ -71,6 +71,25 @@ section.NEWS_list {
     color: #7f8c8d;
 }
 
+.support-button {
+    text-align: center;
+    margin-top: 20px;
+}
+
+.support-button button {
+    padding: 10px 20px;
+    font-size: 16px;
+    background-color: #4CAF50;
+    color: white;
+    border: none;
+    border-radius: 5px;
+    cursor: pointer;
+}
+
+.support-button button:hover {
+    background-color: #45a049;
+}
+
 /* Gakusei BOTの特徴 */
 h1[name="develope"] {
     font-size: 28px;