diff --git a/src/components/site/Footer.vue b/src/components/site/Footer.vue
index dbcb849..db581f4 100644
--- a/src/components/site/Footer.vue
+++ b/src/components/site/Footer.vue
@@ -128,5 +128,27 @@ const currentYear = computed(() => {
             }
         }
     }
+
+    @include mobile() {
+        .info-button {
+            img {
+                width: mobile-vw(30px);
+            }
+        }
+        .info {
+            gap: mobile-vw(10px);
+
+            .window {
+                &.close {
+                    padding: mobile-vw(9px);
+                    border-radius: mobile-vw(16px);
+                }
+                &.content {
+                    border-radius: mobile-vw(10px);
+                    width: calc(100vw - (2 * var(--layout-margin)));
+                }
+            }
+        }
+    }
 }
 </style>