diff --git a/src/main/java/org/ntlab/acanthus_server/AcanthusServerApplication.java b/src/main/java/org/ntlab/acanthus_server/AcanthusServerApplication.java
index 6bf928a..237e30c 100644
--- a/src/main/java/org/ntlab/acanthus_server/AcanthusServerApplication.java
+++ b/src/main/java/org/ntlab/acanthus_server/AcanthusServerApplication.java
@@ -8,6 +8,7 @@
 
     public static void main(String[] args) {
         SpringApplication.run(AcanthusServerApplication.class, args);
+
     }
 
 }
diff --git a/src/main/java/org/ntlab/acanthus_server/entities/package-info.java b/src/main/java/org/ntlab/acanthus_server/entities/package-info.java
new file mode 100644
index 0000000..cfbc710
--- /dev/null
+++ b/src/main/java/org/ntlab/acanthus_server/entities/package-info.java
@@ -0,0 +1,4 @@
+/*
+ * 実体（entity）用のパッケージ
+ */
+package org.ntlab.acanthus_server.entities;
\ No newline at end of file
diff --git a/src/main/java/org/ntlab/acanthus_server/models/package-info.java b/src/main/java/org/ntlab/acanthus_server/models/package-info.java
new file mode 100644
index 0000000..8036805
--- /dev/null
+++ b/src/main/java/org/ntlab/acanthus_server/models/package-info.java
@@ -0,0 +1,4 @@
+/*
+ * モデル用のパッケージ
+ */
+package org.ntlab.acanthus_server.models;
\ No newline at end of file
diff --git a/src/main/java/org/ntlab/acanthus_server/resources/accounts/AccountsRest.java b/src/main/java/org/ntlab/acanthus_server/resources/accounts/AccountsRest.java
new file mode 100644
index 0000000..1dbd7da
--- /dev/null
+++ b/src/main/java/org/ntlab/acanthus_server/resources/accounts/AccountsRest.java
@@ -0,0 +1,4 @@
+package org.ntlab.acanthus_server.resources.accounts;
+
+public class AccountsRest {
+}
diff --git a/src/main/java/org/ntlab/acanthus_server/resources/accounts/package-info.java b/src/main/java/org/ntlab/acanthus_server/resources/accounts/package-info.java
new file mode 100644
index 0000000..ba597da
--- /dev/null
+++ b/src/main/java/org/ntlab/acanthus_server/resources/accounts/package-info.java
@@ -0,0 +1,4 @@
+/*
+ * accounts系の Rest APIs 用のパッケージ
+ */
+package org.ntlab.acanthus_server.resources.accounts;
\ No newline at end of file
diff --git a/src/main/java/org/ntlab/acanthus_server/resources/gallery/package-info.java b/src/main/java/org/ntlab/acanthus_server/resources/gallery/package-info.java
new file mode 100644
index 0000000..4a52633
--- /dev/null
+++ b/src/main/java/org/ntlab/acanthus_server/resources/gallery/package-info.java
@@ -0,0 +1,4 @@
+/*
+ * gallery系の Rest APIs 用のパッケージ
+ */
+package org.ntlab.acanthus_server.resources.gallery;
\ No newline at end of file