--- a/Gemfile.lock	Mon Jun 25 16:53:47 2018 +0900
+++ b/Gemfile.lock	Sat Nov 17 00:34:00 2018 +0900
@@ -2,54 +2,54 @@
   remote: https://rubygems.org/
   remote: https://rails-assets.org/
   specs:
-    actioncable (5.2.0)
-      actionpack (= 5.2.0)
+    actioncable (5.2.1)
+      actionpack (= 5.2.1)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailer (5.2.0)
-      actionpack (= 5.2.0)
-      actionview (= 5.2.0)
-      activejob (= 5.2.0)
+    actionmailer (5.2.1)
+      actionpack (= 5.2.1)
+      actionview (= 5.2.1)
+      activejob (= 5.2.1)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.2.0)
-      actionview (= 5.2.0)
-      activesupport (= 5.2.0)
+    actionpack (5.2.1)
+      actionview (= 5.2.1)
+      activesupport (= 5.2.1)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.2.0)
-      activesupport (= 5.2.0)
+    actionview (5.2.1)
+      activesupport (= 5.2.1)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.2.0)
-      activesupport (= 5.2.0)
+    activejob (5.2.1)
+      activesupport (= 5.2.1)
       globalid (>= 0.3.6)
-    activemodel (5.2.0)
-      activesupport (= 5.2.0)
-    activerecord (5.2.0)
-      activemodel (= 5.2.0)
-      activesupport (= 5.2.0)
+    activemodel (5.2.1)
+      activesupport (= 5.2.1)
+    activerecord (5.2.1)
+      activemodel (= 5.2.1)
+      activesupport (= 5.2.1)
       arel (>= 9.0)
-    activerecord-jdbc-adapter (50.0)
-      activerecord (>= 2.2)
-    activerecord-jdbcpostgresql-adapter (50.0)
-      activerecord-jdbc-adapter (~> 50.0)
+    activerecord-jdbc-adapter (52.1-java)
+      activerecord (~> 5.2.0)
+    activerecord-jdbcpostgresql-adapter (52.1-java)
+      activerecord-jdbc-adapter (= 52.1)
       jdbc-postgres (>= 9.4, < 43)
-    activestorage (5.2.0)
-      actionpack (= 5.2.0)
-      activerecord (= 5.2.0)
+    activestorage (5.2.1)
+      actionpack (= 5.2.1)
+      activerecord (= 5.2.1)
       marcel (~> 0.3.1)
-    activesupport (5.2.0)
+    activesupport (5.2.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     arel (9.0.0)
-    autoprefixer-rails (8.2.0)
+    autoprefixer-rails (9.3.1)
       execjs
     bootstrap-sass (3.3.7)
       autoprefixer-rails (>= 5.2.1)
@@ -62,59 +62,58 @@
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
-    concurrent-ruby (1.0.5-java)
+    concurrent-ruby (1.1.3)
     crass (1.0.4)
     erubi (1.7.1)
     execjs (2.7.0)
-    ffi (1.9.23)
-    ffi (1.9.23-java)
+    ffi (1.9.25)
+    ffi (1.9.25-java)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
-    i18n (1.0.0)
+    i18n (1.1.1)
       concurrent-ruby (~> 1.0)
     jdbc-postgres (42.1.4)
-    jquery-rails (4.3.1)
+    jquery-rails (4.3.3)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    jruby-openssl (0.9.21-java)
-    loofah (2.2.2)
+    jruby-openssl (0.10.1-java)
+    loofah (2.2.3)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.7.0)
+    mail (2.7.1)
       mini_mime (>= 0.1.1)
-    marcel (0.3.2)
+    marcel (0.3.3)
       mimemagic (~> 0.3.2)
-    method_source (0.9.0)
+    method_source (0.9.2)
     mimemagic (0.3.2)
-    mini_mime (1.0.0)
+    mini_mime (1.0.1)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
-    newrelic_rpm (5.0.0.342)
-    nio4r (2.3.0)
-    nio4r (2.3.0-java)
-    nokogiri (1.8.2)
+    newrelic_rpm (5.5.0.348)
+    nio4r (2.3.1)
+    nio4r (2.3.1-java)
+    nokogiri (1.8.5)
       mini_portile2 (~> 2.3.0)
-    nokogiri (1.8.2-java)
-    pg (1.0.0)
-    puma (3.11.4)
-    puma (3.11.4-java)
-    rack (2.0.4)
-    rack-test (1.0.0)
+    nokogiri (1.8.5-java)
+    pg (1.1.3)
+    puma (3.12.0)
+    puma (3.12.0-java)
+    rack (2.0.6)
+    rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (5.2.0)
-      actioncable (= 5.2.0)
-      actionmailer (= 5.2.0)
-      actionpack (= 5.2.0)
-      actionview (= 5.2.0)
-      activejob (= 5.2.0)
-      activemodel (= 5.2.0)
-      activerecord (= 5.2.0)
-      activestorage (= 5.2.0)
-      activesupport (= 5.2.0)
+    rails (5.2.1)
+      actioncable (= 5.2.1)
+      actionmailer (= 5.2.1)
+      actionpack (= 5.2.1)
+      actionview (= 5.2.1)
+      activejob (= 5.2.1)
+      activemodel (= 5.2.1)
+      activerecord (= 5.2.1)
+      activestorage (= 5.2.1)
+      activesupport (= 5.2.1)
       bundler (>= 1.3.0)
-      railties (= 5.2.0)
+      railties (= 5.2.1)
       sprockets-rails (>= 2.0.0)
     rails-assets-commonmark (0.28.1)
     rails-assets-highlightjs (9.12.0)
@@ -123,17 +122,17 @@
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.0.4)
       loofah (~> 2.2, >= 2.2.2)
-    railties (5.2.0)
-      actionpack (= 5.2.0)
-      activesupport (= 5.2.0)
+    railties (5.2.1)
+      actionpack (= 5.2.1)
+      activesupport (= 5.2.1)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.18.1, < 2.0)
+      thor (>= 0.19.0, < 2.0)
     rake (12.3.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
-    sass (3.5.6)
+    sass (3.7.2)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -144,7 +143,7 @@
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    sprockets (3.7.1)
+    sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.1)
@@ -154,13 +153,13 @@
     therubyrhino (2.0.4)
       therubyrhino_jar (>= 1.7.3)
     therubyrhino_jar (1.7.6)
-    thor (0.20.0)
+    thor (0.20.3)
     thread_safe (0.3.6)
     thread_safe (0.3.6-java)
     tilt (2.0.8)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    uglifier (4.1.9)
+    uglifier (4.1.19)
       execjs (>= 0.3.0, < 3)
     websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)