diff --git a/Gemfile b/Gemfile
index 4e256f9..13bd3be 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,3 +4,4 @@ ruby '2.6.3'
 
 gem 'gmail'
 gem 'pry'
+gem 'nokogiri'
diff --git a/Gemfile.lock b/Gemfile.lock
index bf4b9ef..3969239 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,26 +8,27 @@ GEM
       mime (>= 0.1)
     gmail_xoauth (0.4.1)
       oauth (>= 0.3.6)
-    mail (2.5.4)
-      mime-types (~> 1.16)
-      treetop (~> 1.4.8)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
     method_source (0.9.2)
     mime (0.3.0)
-    mime-types (1.25.1)
+    mini_mime (1.1.2)
+    mini_portile2 (2.8.0)
+    nokogiri (1.13.3)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     oauth (0.4.7)
-    polyglot (0.3.4)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    treetop (1.4.15)
-      polyglot
-      polyglot (>= 0.3.1)
+    racc (1.6.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   gmail
+  nokogiri
   pry
 
 RUBY VERSION
diff --git a/gmail2idobata.rb b/gmail2idobata.rb
index fa26ba0..1a45e10 100755
--- a/gmail2idobata.rb
+++ b/gmail2idobata.rb
@@ -33,6 +33,7 @@ def attached_file_exist?(filename)
 mails = @gmail.inbox.emails(:unread).each do |mail|
   text = ""
   is_html_format = false
+  is_mitoujr_app = false
 
   #text  += "<li>件名:   #{mail.subject}</li>"
   #text  += "<li>日付:   #{mail.date}</li>"
@@ -43,6 +44,7 @@ def attached_file_exist?(filename)
     text += "<b>件名なし</b><br>"
   else
     text += "<b>#{mail.subject.toutf8}</b><br>"
+    is_mitoujr_app = true if text.include?('未踏ジュニア2022 応募フォーム')
   end
 
   begin
@@ -62,7 +64,31 @@ def attached_file_exist?(filename)
 
   post = text.gsub("\n", "").gsub("'", "\"")
   puts post
-  puts is_html_format
+  puts "Is HTML format? => #{is_html_format}"
+
+  if is_mitoujr_app == true
+    require 'nokogiri'
+    require 'net/http'
+
+    doc = Nokogiri::HTML.parse(text)
+
+    # Get Title & File (URL)
+    title = doc.at("th[text()*='提案のタイトル']").next_element.text.strip
+    file  = doc.at("a[href*='mitoujr.wufoo.com/cabinet']")['href']
+
+    uri = URI.parse('https://mattermost.jr.mitou.org/hooks/huxdejyasbgdjgctwtxjf8udje')
+    request = Net::HTTP::Post.new(uri)
+    request.content_type = 'application/json'
+    request.body = JSON.dump({ text: ":new: 提案書: #{title} #{file}" })
+
+    response = Net::HTTP.start(uri.hostname, uri.port, { use_ssl: uri.scheme == "https" }) do |http|
+      http.request(request)
+    end
+
+    # response.code
+    # response.body
+    next
+  end
 
   if is_html_format
     system("curl --data-urlencode 'source=#{post}' -d format=html #{IDOBATA_END}")