feat(directory): init operator page

directory/src/component/popup.css

@@ -25,7 +25,7 @@
   flex-direction: column;
   align-items: stretch;
   flex-wrap: nowrap;
-  width: 480px;
+  max-width: 480px;
   height: fit-content;
   margin: 0 auto;
   background-color: var(--root-background-color);
@@ -55,6 +55,20 @@
   padding: 1rem 1rem 0 1rem;
 }
 
+@media (max-width: 768px) {
+  .popup .title {
+    font-size: 2rem;
+  }
+
+  .popup .content {
+    font-size: 1rem;
+  }
+
+  .popup .return-button {
+    transform: scale(0.8);
+  }
+}
+
 .popup .overlay {
   position: absolute;
   left: 0;