diff --git a/src/main/java/dev/araozu/eeg_java/certs/CertController.java b/src/main/java/dev/araozu/eeg_java/certs/CertController.java
new file mode 100644
index 0000000..439a153
--- /dev/null
+++ b/src/main/java/dev/araozu/eeg_java/certs/CertController.java
@@ -0,0 +1,16 @@
+package dev.araozu.eeg_java.certs;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.ui.Model;
+
+
+@Controller
+@RequestMapping(path = "/certs")
+public class CertController {
+ @GetMapping("")
+ public String index(Model model) {
+ return "certs";
+ }
+}
diff --git a/src/main/resources/templates/certs.html b/src/main/resources/templates/certs.html
new file mode 100644
index 0000000..9b67242
--- /dev/null
+++ b/src/main/resources/templates/certs.html
@@ -0,0 +1,77 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Error: {error()}
+
+
+
+
+
+
+
new register
+
+
registers
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/resources/templates/fragments/head.html b/src/main/resources/templates/fragments/head.html
new file mode 100644
index 0000000..d47b3de
--- /dev/null
+++ b/src/main/resources/templates/fragments/head.html
@@ -0,0 +1,18 @@
+
+
+
+
+ EEGSAC - Java
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/resources/templates/fragments/navigation_rail.html b/src/main/resources/templates/fragments/navigation_rail.html
new file mode 100644
index 0000000..03ce07c
--- /dev/null
+++ b/src/main/resources/templates/fragments/navigation_rail.html
@@ -0,0 +1,59 @@
+
\ No newline at end of file
diff --git a/src/main/resources/templates/index.html b/src/main/resources/templates/index.html
index d3e61bb..832370d 100644
--- a/src/main/resources/templates/index.html
+++ b/src/main/resources/templates/index.html
@@ -1,88 +1,13 @@
-
-
-
-
- EEGSAC - Java
-
-
-
-
-
-
-
-
-
-
-
-
+