Merge branch 'n-kawahito' of https://gitea.it-college.co.jp/2026_09_5H_Spring_KIZAKI/Monegement into k-kobayashi

src/main/resources/templates/authentication.html

@@ -54,8 +54,6 @@
 	    alert(/*[[${errorMessage}]]*/);
 	</script>
 	
-	<div th:replace="~{footer :: footer}">
-		</div>
 	
 </body>
 

src/main/resources/templates/select_course.html

@@ -41,6 +41,10 @@
 		</div>
 	</form>
 	
+	<th:block th:if="${mode=='change'}">
+		<div th:replace="~{footer :: footer}"></div>
+	</th:block>
+	
 	<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.7/dist/js/bootstrap.bundle.min.js"></script>
 </body>
 </html>