IP 입력 필드 스타일 개선: 정렬 및 버튼 크기 수정

- `.ip-input-row` 정렬 기준 추가 및 버튼 폭 고정
- `.btn-add-ip` 및 제거 버튼 스타일/반응형 조정

src/main/resources/static/css/main.css

@@ -11441,6 +11441,7 @@ button.djb-comment-submit:disabled {
 
 .ip-input-row {
   display: flex;
+  align-items: center;
   gap: 21px;
 }
 .ip-input-row .ip-input {
@@ -11468,7 +11469,7 @@ button.djb-comment-submit:disabled {
 }
 
 .btn-add-ip {
-  width: auto;
+  width: 100px;
   height: 40px;
   padding: 0 16px;
   background-color: #3ba4ed;
@@ -11480,20 +11481,23 @@ button.djb-comment-submit:disabled {
   cursor: pointer;
   transition: background-color 0.2s ease;
   flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
 }
 .btn-add-ip:hover {
   background-color: #2b94dd;
 }
 @media (max-width: 1024px) {
   .btn-add-ip {
-    width: auto;
+    width: 100%;
     font-size: 14px;
     height: 38px;
   }
 }
 @media (max-width: 768px) {
   .btn-add-ip {
-    width: auto;
+    width: 89px;
     height: 36px;
     font-size: 13px;
     border-radius: 8px;
@@ -11514,6 +11518,7 @@ button.djb-comment-submit:disabled {
 }
 .register-form-container .ip-list .ip-item {
   display: flex;
+  align-items: center;
   gap: 21px;
   padding: 0;
   border-bottom: none;
@@ -11555,26 +11560,27 @@ button.djb-comment-submit:disabled {
   }
 }
 .register-form-container .ip-list .ip-item .btn-remove-ip {
-  width: 158px !important;
-  height: 60px !important;
+  width: 100px !important;
+  height: 40px !important;
   background-color: #e5e7eb !important;
   color: #5f666c !important;
   border: none !important;
-  border-radius: 12px !important;
-  font-size: 20px !important;
-  font-weight: 700;
+  border-radius: 8px !important;
+  font-size: 14px !important;
+  font-weight: 600;
   cursor: pointer;
   transition: background-color 0.2s ease;
   flex-shrink: 0;
   display: flex !important;
   align-items: center;
   justify-content: center;
+  align-self: center;
 }
 @media (max-width: 1024px) {
   .register-form-container .ip-list .ip-item .btn-remove-ip {
     width: 100% !important;
-    font-size: 16px !important;
-    height: 50px !important;
+    font-size: 14px !important;
+    height: 38px !important;
   }
 }
 @media (max-width: 768px) {