diff --git a/.env.example b/.env.example
index 244e6a5..a41650b 100644
--- a/.env.example
+++ b/.env.example
@@ -5,12 +5,12 @@ APP_DEBUG=true
 APP_LOG_LEVEL=debug
 APP_URL=http://localhost
 
-DB_CONNECTION=mysql
-DB_HOST=127.0.0.1
-DB_PORT=3306
-DB_DATABASE=homestead
-DB_USERNAME=homestead
-DB_PASSWORD=secret
+DB_CONNECTION=pgsql
+DB_HOST=db
+DB_PORT=5432
+DB_DATABASE=tissue
+DB_USERNAME=tissue
+DB_PASSWORD=tissue
 
 BROADCAST_DRIVER=log
 CACHE_DRIVER=file
@@ -35,3 +35,8 @@ SPARKPOST_SECRET=
 PUSHER_APP_ID=
 PUSHER_APP_KEY=
 PUSHER_APP_SECRET=
+
+# (Optional) reCAPTCHA Key
+# https://www.google.com/recaptcha
+NOCAPTCHA_SECRET=
+NOCAPTCHA_SITEKEY=
diff --git a/.gitattributes b/.gitattributes
index 967315d..78179de 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -3,3 +3,4 @@
 *.scss linguist-vendored
 *.js linguist-vendored
 CHANGELOG.md export-ignore
+*.sh text eol=lf
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 59247f3..f2e912f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,4 +10,6 @@ Homestead.yaml
 npm-debug.log
 yarn-error.log
 .env
-*.iml
\ No newline at end of file
+*.iml
+.php_cs
+.php_cs.cache
\ No newline at end of file
diff --git a/.php_cs.dist b/.php_cs.dist
new file mode 100644
index 0000000..1bfcc9f
--- /dev/null
+++ b/.php_cs.dist
@@ -0,0 +1,26 @@
+<?php
+
+return \PhpCsFixer\Config::create()
+    ->setRules([
+        '@PSR2' => true,
+        'array_syntax' => [
+            'syntax' => 'short'
+        ],
+        'blank_line_before_return' => true,
+        'function_typehint_space' => true,
+        'method_separation' => true,
+        'ordered_imports' => true,
+        'return_type_declaration' => true,
+        'new_with_braces' => true,
+        'no_empty_statement' => true,
+        'standardize_not_equals' => true
+    ])
+    ->setFinder(
+        \PhpCsFixer\Finder::create()
+            ->exclude('bootstrap/cache')
+            ->exclude('resources/views')
+            ->exclude('storage')
+            ->exclude('vendor')
+            ->exclude('node_modules')
+            ->in(__DIR__)
+    );
diff --git a/Dockerfile b/Dockerfile
index 9301d92..65d49a8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,12 +3,19 @@ FROM php:7.1-apache
 ENV APACHE_DOCUMENT_ROOT /var/www/html/public
 
 RUN apt-get update \
-    && apt-get install -y git libpq-dev \
+    && apt-get install -y git libpq-dev unzip \
     && docker-php-ext-install pdo_pgsql \
+    && pecl install xdebug \
     && curl -sS https://getcomposer.org/installer | php \
     && mv composer.phar /usr/local/bin/composer \
     && sed -ri -e 's!/var/www/html!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/sites-available/*.conf \
     && sed -ri -e 's!/var/www/!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/apache2.conf /etc/apache2/conf-available/*.conf \
     && a2enmod rewrite
 
+COPY dist/bin /usr/local/bin/
+COPY dist/php.d /usr/local/etc/php/php.d/
+
+ENTRYPOINT ["tissue-entrypoint.sh"]
+CMD ["apache2-foreground"]
+
 WORKDIR /var/www/html
diff --git a/app/Ejaculation.php b/app/Ejaculation.php
index 48bdaf9..83b3ad2 100644
--- a/app/Ejaculation.php
+++ b/app/Ejaculation.php
@@ -30,6 +30,8 @@ class Ejaculation extends Model
 
     public function textTags()
     {
-        return implode(' ', $this->tags->map(function ($v) { return $v->name; })->all());
+        return implode(' ', $this->tags->map(function ($v) {
+            return $v->name;
+        })->all());
     }
 }
diff --git a/app/Events/LinkDiscovered.php b/app/Events/LinkDiscovered.php
index 0163dc6..4fa6198 100644
--- a/app/Events/LinkDiscovered.php
+++ b/app/Events/LinkDiscovered.php
@@ -2,9 +2,9 @@
 
 namespace App\Events;
 
-use Illuminate\Queue\SerializesModels;
-use Illuminate\Foundation\Events\Dispatchable;
 use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
 
 class LinkDiscovered
 {
diff --git a/app/Facades/Formatter.php b/app/Facades/Formatter.php
index ed43178..b629419 100644
--- a/app/Facades/Formatter.php
+++ b/app/Facades/Formatter.php
@@ -10,4 +10,4 @@ class Formatter extends Facade
     {
         return \App\Utilities\Formatter::class;
     }
-}
\ No newline at end of file
+}
diff --git a/app/Http/Controllers/Auth/RegisterController.php b/app/Http/Controllers/Auth/RegisterController.php
index c68ed7e..0f6dfcb 100644
--- a/app/Http/Controllers/Auth/RegisterController.php
+++ b/app/Http/Controllers/Auth/RegisterController.php
@@ -2,10 +2,10 @@
 
 namespace App\Http\Controllers\Auth;
 
-use App\User;
 use App\Http\Controllers\Controller;
-use Illuminate\Support\Facades\Validator;
+use App\User;
 use Illuminate\Foundation\Auth\RegistersUsers;
+use Illuminate\Support\Facades\Validator;
 
 class RegisterController extends Controller
 {
@@ -47,11 +47,20 @@ class RegisterController extends Controller
      */
     protected function validator(array $data)
     {
-        return Validator::make($data, [
+        $rules = [
             'name' => 'required|string|regex:/^[a-zA-Z0-9_-]+$/u|max:15|unique:users',
             'email' => 'required|string|email|max:255|unique:users',
-            'password' => 'required|string|min:6|confirmed',
-            ],
+            'password' => 'required|string|min:6|confirmed'
+        ];
+
+        // reCAPTCHAのキーが設定されている場合、判定を有効化
+        if (!empty(config('captcha.secret'))) {
+            $rules['g-recaptcha-response'] = 'required|captcha';
+        }
+
+        return Validator::make(
+            $data,
+            $rules,
             ['name.regex' => 'ユーザー名には半角英数字とアンダーバー、ハイフンのみ使用できます。'],
             ['name' => 'ユーザー名']
         );
diff --git a/app/Http/Controllers/Controller.php b/app/Http/Controllers/Controller.php
index 03e02a2..a0a2a8a 100644
--- a/app/Http/Controllers/Controller.php
+++ b/app/Http/Controllers/Controller.php
@@ -2,10 +2,10 @@
 
 namespace App\Http\Controllers;
 
-use Illuminate\Foundation\Bus\DispatchesJobs;
-use Illuminate\Routing\Controller as BaseController;
-use Illuminate\Foundation\Validation\ValidatesRequests;
 use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
+use Illuminate\Foundation\Bus\DispatchesJobs;
+use Illuminate\Foundation\Validation\ValidatesRequests;
+use Illuminate\Routing\Controller as BaseController;
 
 class Controller extends BaseController
 {
diff --git a/app/Http/Controllers/EjaculationController.php b/app/Http/Controllers/EjaculationController.php
index 83f4dd9..4490677 100644
--- a/app/Http/Controllers/EjaculationController.php
+++ b/app/Http/Controllers/EjaculationController.php
@@ -2,14 +2,14 @@
 
 namespace App\Http\Controllers;
 
+use App\Ejaculation;
 use App\Events\LinkDiscovered;
 use App\Tag;
 use App\User;
 use Carbon\Carbon;
-use Validator;
-use App\Ejaculation;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Auth;
+use Validator;
 
 class EjaculationController extends Controller
 {
@@ -104,6 +104,7 @@ class EjaculationController extends Controller
     public function edit($id)
     {
         $ejaculation = Ejaculation::findOrFail($id);
+
         return view('ejaculation.edit')->with(compact('ejaculation'));
     }
 
@@ -133,7 +134,7 @@ class EjaculationController extends Controller
         });
 
         if ($validator->fails()) {
-            return redirect()->route('checkin')->withErrors($validator)->withInput();
+            return redirect()->route('checkin.edit', ['id' => $id])->withErrors($validator)->withInput();
         }
 
         $ejaculation->fill([
@@ -166,6 +167,7 @@ class EjaculationController extends Controller
         $user = User::findOrFail($ejaculation->user_id);
         $ejaculation->tags()->detach();
         $ejaculation->delete();
+
         return redirect()->route('user.profile', ['name' => $user->name])->with('status', '削除しました。');
     }
-}
\ No newline at end of file
+}
diff --git a/app/Http/Controllers/InfoController.php b/app/Http/Controllers/InfoController.php
index 6a43159..33ff29b 100644
--- a/app/Http/Controllers/InfoController.php
+++ b/app/Http/Controllers/InfoController.php
@@ -14,6 +14,7 @@ class InfoController extends Controller
             ->orderByDesc('pinned')
             ->orderByDesc('created_at')
             ->paginate(20);
+
         return view('info.index')->with([
             'informations' => $informations,
             'categories' => Information::CATEGORIES
@@ -23,6 +24,7 @@ class InfoController extends Controller
     public function show($id)
     {
         $information = Information::findOrFail($id);
+
         return view('info.show')->with([
             'info' => $information,
             'category' => Information::CATEGORIES[$information->category]
diff --git a/app/Http/Controllers/SearchController.php b/app/Http/Controllers/SearchController.php
index 0b7205c..f0eb1d4 100644
--- a/app/Http/Controllers/SearchController.php
+++ b/app/Http/Controllers/SearchController.php
@@ -38,4 +38,4 @@ class SearchController extends Controller
 
         return view('search.relatedTag')->with(compact('inputs', 'results'));
     }
-}
\ No newline at end of file
+}
diff --git a/app/Http/Controllers/UserController.php b/app/Http/Controllers/UserController.php
index c07fada..b6cf901 100644
--- a/app/Http/Controllers/UserController.php
+++ b/app/Http/Controllers/UserController.php
@@ -21,7 +21,8 @@ class UserController extends Controller
         }
 
         // チェックインの取得
-        $query = Ejaculation::select(DB::raw(<<<'SQL'
+        $query = Ejaculation::select(DB::raw(
+            <<<'SQL'
 id,
 ejaculated_date,
 note,
@@ -63,7 +64,8 @@ SQL
             abort(404);
         }
 
-        $groupByDay = Ejaculation::select(DB::raw(<<<'SQL'
+        $groupByDay = Ejaculation::select(DB::raw(
+            <<<'SQL'
 to_char(ejaculated_date, 'YYYY/MM/DD') AS "date",
 count(*) AS "count"
 SQL
@@ -73,7 +75,8 @@ SQL
             ->orderBy(DB::raw("to_char(ejaculated_date, 'YYYY/MM/DD')"))
             ->get();
 
-        $groupByHour = Ejaculation::select(DB::raw(<<<'SQL'
+        $groupByHour = Ejaculation::select(DB::raw(
+            <<<'SQL'
 to_char(ejaculated_date, 'HH24') AS "hour",
 count(*) AS "count"
 SQL
@@ -133,7 +136,8 @@ SQL
         }
 
         // チェックインの取得
-        $query = Ejaculation::select(DB::raw(<<<'SQL'
+        $query = Ejaculation::select(DB::raw(
+            <<<'SQL'
 id,
 ejaculated_date,
 note,
diff --git a/app/Http/ViewComposers/ProfileComposer.php b/app/Http/ViewComposers/ProfileComposer.php
index 5a0f862..cbb9a85 100644
--- a/app/Http/ViewComposers/ProfileComposer.php
+++ b/app/Http/ViewComposers/ProfileComposer.php
@@ -58,4 +58,4 @@ SQL
 
         $view->with(compact('latestEjaculation', 'currentSession', 'summary'));
     }
-}
\ No newline at end of file
+}
diff --git a/app/Listeners/LinkCollector.php b/app/Listeners/LinkCollector.php
index 3d34b89..0484f95 100644
--- a/app/Listeners/LinkCollector.php
+++ b/app/Listeners/LinkCollector.php
@@ -7,8 +7,8 @@ use App\Metadata;
 use App\MetadataResolver\MetadataResolver;
 use App\Utilities\Formatter;
 use GuzzleHttp\Exception\TransferException;
-use Illuminate\Queue\InteractsWithQueue;
 use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Queue\InteractsWithQueue;
 use Illuminate\Support\Facades\Log;
 
 class LinkCollector
@@ -43,14 +43,14 @@ class LinkCollector
         // 無かったら取得
         // TODO: ある程度古かったら再取得とかありだと思う
         $metadata = Metadata::find($url);
-        if ($metadata == null) {
+        if ($metadata == null || ($metadata->expires_at !== null && $metadata->expires_at < now())) {
             try {
                 $resolved = $this->metadataResolver->resolve($url);
-                Metadata::create([
-                    'url' => $url,
+                Metadata::updateOrCreate(['url' => $url], [
                     'title' => $resolved->title,
                     'description' => $resolved->description,
-                    'image' => $resolved->image
+                    'image' => $resolved->image,
+                    'expires_at' => $resolved->expires_at
                 ]);
             } catch (TransferException $e) {
                 // 何らかの通信エラーによってメタデータの取得に失敗した時、とりあえずエラーログにURLを残す
diff --git a/app/Metadata.php b/app/Metadata.php
index 98badb6..dc44009 100644
--- a/app/Metadata.php
+++ b/app/Metadata.php
@@ -10,6 +10,8 @@ class Metadata extends Model
     protected $primaryKey = 'url';
     protected $keyType = 'string';
 
-    protected $fillable = ['url', 'title', 'description', 'image'];
-    protected $visible = ['url', 'title', 'description', 'image'];
+    protected $fillable = ['url', 'title', 'description', 'image', 'expires_at'];
+    protected $visible = ['url', 'title', 'description', 'image', 'expires_at'];
+
+    protected $dates = ['created_at', 'updated_at', 'expires_at'];
 }
diff --git a/app/MetadataResolver/DLsiteResolver.php b/app/MetadataResolver/DLsiteResolver.php
index 866bde0..ac1a717 100644
--- a/app/MetadataResolver/DLsiteResolver.php
+++ b/app/MetadataResolver/DLsiteResolver.php
@@ -2,8 +2,6 @@
 
 namespace App\MetadataResolver;
 
-use Illuminate\Support\Facades\Log;
-
 class DLsiteResolver implements Resolver
 {
     public function resolve(string $url): Metadata
@@ -14,9 +12,10 @@ class DLsiteResolver implements Resolver
             $ogpResolver = new OGPResolver();
             $metadata = $ogpResolver->parse($res->getBody());
             $metadata->image =  str_replace("img_sam.jpg", "img_main.jpg", $metadata->image);
+
             return $metadata;
         } else {
             throw new \RuntimeException("{$res->getStatusCode()}: $url");
         }
     }
-}
\ No newline at end of file
+}
diff --git a/app/MetadataResolver/FantiaResolver.php b/app/MetadataResolver/FantiaResolver.php
new file mode 100644
index 0000000..8a998c4
--- /dev/null
+++ b/app/MetadataResolver/FantiaResolver.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace App\MetadataResolver;
+
+use Illuminate\Support\Facades\Log;
+
+class FantiaResolver implements Resolver
+{
+    public function resolve(string $url): Metadata
+    {
+        preg_match("~\d+~", $url, $match);
+        $postId = $match[0];
+
+        $client = new \GuzzleHttp\Client();
+        $res = $client->get($url);
+        if ($res->getStatusCode() === 200) {
+            $ogpResolver = new OGPResolver();
+            $metadata = $ogpResolver->parse($res->getBody());
+
+            $dom = new \DOMDocument();
+            @$dom->loadHTML(mb_convert_encoding($res->getBody(), 'HTML-ENTITIES', 'UTF-8'));
+            $xpath = new \DOMXPath($dom);
+
+            $node = $xpath->query("//meta[@property='twitter:image']")->item(0);
+            $ogpUrl = $node->getAttribute('content');
+
+            // 投稿に画像がない場合（ogp.jpgでない場合）のみ大きい画像に変換する
+            if ($ogpUrl != "http://fantia.jp/images/ogp.jpg") {
+                preg_match("~https://fantia\.s3\.amazonaws\.com/uploads/post/file/{$postId}/ogp_(.*?)\.(jpg|png)~", $ogpUrl, $match);
+                $uuid = $match[1];
+                $extension = $match[2];
+
+                // 大きい画像に変換
+                $metadata->image = "https://c.fantia.jp/uploads/post/file/{$postId}/main_{$uuid}.{$extension}";
+            }
+
+            return $metadata;
+        } else {
+            throw new \RuntimeException("{$res->getStatusCode()}: $url");
+        }
+    }
+}
diff --git a/app/MetadataResolver/IwaraResolver.php b/app/MetadataResolver/IwaraResolver.php
index d1bd8b9..60aaf1b 100644
--- a/app/MetadataResolver/IwaraResolver.php
+++ b/app/MetadataResolver/IwaraResolver.php
@@ -54,4 +54,4 @@ class IwaraResolver implements Resolver
             throw new \RuntimeException("{$res->getStatusCode()}: $url");
         }
     }
-}
\ No newline at end of file
+}
diff --git a/app/MetadataResolver/KomifloResolver.php b/app/MetadataResolver/KomifloResolver.php
index 81e0577..b09396a 100644
--- a/app/MetadataResolver/KomifloResolver.php
+++ b/app/MetadataResolver/KomifloResolver.php
@@ -27,4 +27,4 @@ class KomifloResolver implements Resolver
             throw new \RuntimeException("{$res->getStatusCode()}: $url");
         }
     }
-}
\ No newline at end of file
+}
diff --git a/app/MetadataResolver/MelonbooksResolver.php b/app/MetadataResolver/MelonbooksResolver.php
index 90d221a..2e8b7fb 100644
--- a/app/MetadataResolver/MelonbooksResolver.php
+++ b/app/MetadataResolver/MelonbooksResolver.php
@@ -26,4 +26,4 @@ class MelonbooksResolver implements Resolver
             throw new \RuntimeException("{$res->getStatusCode()}: $url");
         }
     }
-}
\ No newline at end of file
+}
diff --git a/app/MetadataResolver/Metadata.php b/app/MetadataResolver/Metadata.php
index ae2508b..dbe8654 100644
--- a/app/MetadataResolver/Metadata.php
+++ b/app/MetadataResolver/Metadata.php
@@ -2,9 +2,13 @@
 
 namespace App\MetadataResolver;
 
+use Carbon\Carbon;
+
 class Metadata
 {
     public $title = '';
     public $description = '';
     public $image = '';
-}
\ No newline at end of file
+    /** @var Carbon|null */
+    public $expires_at = null;
+}
diff --git a/app/MetadataResolver/MetadataResolver.php b/app/MetadataResolver/MetadataResolver.php
index 8180589..f1f43ed 100644
--- a/app/MetadataResolver/MetadataResolver.php
+++ b/app/MetadataResolver/MetadataResolver.php
@@ -12,6 +12,8 @@ class MetadataResolver implements Resolver
         '~ec\.toranoana\.jp/tora_r/ec/item/.*~' => ToranoanaResolver::class,
         '~iwara\.tv/videos/.*~' => IwaraResolver::class,
         '~www\.dlsite\.com/.*/work/=/product_id/..\d+\.html~' => DLsiteResolver::class,
+        '~www\.pixiv\.net/member_illust\.php\?illust_id=\d+~' => PixivResolver::class,
+        '~fantia\.jp/posts/\d+~' => FantiaResolver::class,
         '/.*/' => OGPResolver::class
     ];
 
@@ -19,11 +21,12 @@ class MetadataResolver implements Resolver
     {
         foreach ($this->rules as $pattern => $class) {
             if (preg_match($pattern, $url) === 1) {
-                $resolver = new $class;
+                $resolver = new $class();
+
                 return $resolver->resolve($url);
             }
         }
 
         throw new \UnexpectedValueException('URL not matched.');
     }
-}
\ No newline at end of file
+}
diff --git a/app/MetadataResolver/NicoSeigaResolver.php b/app/MetadataResolver/NicoSeigaResolver.php
index dbd81bc..3e6d5c0 100644
--- a/app/MetadataResolver/NicoSeigaResolver.php
+++ b/app/MetadataResolver/NicoSeigaResolver.php
@@ -21,4 +21,4 @@ class NicoSeigaResolver implements Resolver
             throw new \RuntimeException("{$res->getStatusCode()}: $url");
         }
     }
-}
\ No newline at end of file
+}
diff --git a/app/MetadataResolver/NijieResolver.php b/app/MetadataResolver/NijieResolver.php
index e0802e6..45b73de 100644
--- a/app/MetadataResolver/NijieResolver.php
+++ b/app/MetadataResolver/NijieResolver.php
@@ -37,4 +37,4 @@ class NijieResolver implements Resolver
             throw new \RuntimeException("{$res->getStatusCode()}: $url");
         }
     }
-}
\ No newline at end of file
+}
diff --git a/app/MetadataResolver/OGPResolver.php b/app/MetadataResolver/OGPResolver.php
index 43d1543..e51fe2f 100644
--- a/app/MetadataResolver/OGPResolver.php
+++ b/app/MetadataResolver/OGPResolver.php
@@ -41,6 +41,7 @@ class OGPResolver implements Resolver
                 }
             }
         }
+
         return '';
     }
-}
\ No newline at end of file
+}
diff --git a/app/MetadataResolver/PixivResolver.php b/app/MetadataResolver/PixivResolver.php
new file mode 100644
index 0000000..b859675
--- /dev/null
+++ b/app/MetadataResolver/PixivResolver.php
@@ -0,0 +1,93 @@
+<?php
+
+namespace App\MetadataResolver;
+
+class PixivResolver implements Resolver
+{
+    /**
+     * サムネイル画像 URL から最大長辺 1200px の画像 URL に変換する
+     *
+     * @param string $thumbnailUrl サムネイル画像 URL
+     * @return string 1200px の画像 URL
+     */
+    public function thumbnailToMasterUrl(string $thumbnailUrl): string
+    {
+        $temp = str_replace("/c/128x128", "", $thumbnailUrl);
+        $largeUrl = str_replace("square1200.jpg", "master1200.jpg", $temp);
+
+        return $largeUrl;
+    }
+
+    /**
+     * 直リン可能な pixiv.cat のプロキシ URL に変換する
+     * HUGE THANKS TO PIXIV.CAT!
+     *
+     * @param string $pixivUrl i.pximg URL
+     * @return string i.pixiv.cat URL
+     */
+    public function proxize(string $pixivUrl): string
+    {
+        return str_replace("i.pximg.net", "i.pixiv.cat", $pixivUrl);
+    }
+
+    public function resolve(string $url): Metadata
+    {
+        preg_match("~illust_id=(\d+)~", parse_url($url)["query"], $match);
+        $illustId = $match[1];
+
+        // 漫画ページかつページ数あり
+        if (strpos(parse_url($url)["query"], "mode=manga_big") && strpos(parse_url($url)["query"], "page=")) {
+            preg_match("~page=(\d+)~", parse_url($url)["query"], $match);
+            $page = $match[1];
+
+            // 未ログインでは漫画ページを開けないため、URL を作品ページに変換する
+            $url = str_replace("mode=manga_big", "mode=medium", $url);
+
+            $client = new \GuzzleHttp\Client();
+            $res = $client->get($url);
+            if ($res->getStatusCode() === 200) {
+                $ogpResolver = new OGPResolver();
+                $metadata = $ogpResolver->parse($res->getBody());
+
+                preg_match("~https://i\.pximg\.net/c/128x128/img-master/img/\d{4}/\d{2}/\d{2}/\d{2}/\d{2}/\d{2}/{$illustId}_p0_square1200\.jpg~", $res->getBody(), $match);
+                $illustThumbnailUrl = $match[0];
+
+                $illustUrl = $this->thumbnailToMasterUrl($illustThumbnailUrl);
+
+                // 指定ページに変換
+                $illustUrl = str_replace("p0_master", "p{$page}_master", $illustUrl);
+
+                $metadata->image =  $this->proxize($illustUrl);
+
+                return $metadata;
+            } else {
+                throw new \RuntimeException("{$res->getStatusCode()}: $url");
+            }
+        } else {
+            $client = new \GuzzleHttp\Client();
+            $res = $client->get($url);
+            if ($res->getStatusCode() === 200) {
+                $ogpResolver = new OGPResolver();
+                $metadata = $ogpResolver->parse($res->getBody());
+
+                // OGP がデフォルト画像であるようならなんとかして画像を取得する
+                if (strpos($metadata->image, "pixiv_logo.gif") || strpos($metadata->image, "pictures.jpg")) {
+
+                    // 作品ページの場合のみ対応
+                    if (strpos(parse_url($url)["query"], "mode=medium")) {
+                        preg_match("~https://i\.pximg\.net/c/128x128/img-master/img/\d{4}/\d{2}/\d{2}/\d{2}/\d{2}/\d{2}/{$illustId}(_p0)?_square1200\.jpg~", $res->getBody(), $match);
+                        $illustThumbnailUrl = $match[0];
+
+                        $illustUrl = $this->thumbnailToMasterUrl($illustThumbnailUrl);
+
+                        $metadata->image =  $this->proxize($illustUrl);
+                    }
+                }
+
+                return $metadata;
+            } else {
+                throw new \RuntimeException("{$res->getStatusCode()}: $url");
+            }
+        }
+    }
+}
diff --git a/app/MetadataResolver/Resolver.php b/app/MetadataResolver/Resolver.php
index cc54d28..a982822 100644
--- a/app/MetadataResolver/Resolver.php
+++ b/app/MetadataResolver/Resolver.php
@@ -5,4 +5,4 @@ namespace App\MetadataResolver;
 interface Resolver
 {
     public function resolve(string $url): Metadata;
-}
\ No newline at end of file
+}
diff --git a/app/MetadataResolver/ToranoanaResolver.php b/app/MetadataResolver/ToranoanaResolver.php
index 84911e8..968fff6 100644
--- a/app/MetadataResolver/ToranoanaResolver.php
+++ b/app/MetadataResolver/ToranoanaResolver.php
@@ -14,9 +14,10 @@ class ToranoanaResolver implements Resolver
         $res = $client->get($url, ['cookies' => $cookieJar]);
         if ($res->getStatusCode() === 200) {
             $ogpResolver = new OGPResolver();
+
             return $ogpResolver->parse($res->getBody());
         } else {
             throw new \RuntimeException("{$res->getStatusCode()}: $url");
         }
     }
-}
\ No newline at end of file
+}
diff --git a/app/Providers/AuthServiceProvider.php b/app/Providers/AuthServiceProvider.php
index 9784b1a..e12ff88 100644
--- a/app/Providers/AuthServiceProvider.php
+++ b/app/Providers/AuthServiceProvider.php
@@ -2,8 +2,8 @@
 
 namespace App\Providers;
 
-use Illuminate\Support\Facades\Gate;
 use Illuminate\Foundation\Support\Providers\AuthServiceProvider as ServiceProvider;
+use Illuminate\Support\Facades\Gate;
 
 class AuthServiceProvider extends ServiceProvider
 {
diff --git a/app/Providers/BroadcastServiceProvider.php b/app/Providers/BroadcastServiceProvider.php
index 352cce4..395c518 100644
--- a/app/Providers/BroadcastServiceProvider.php
+++ b/app/Providers/BroadcastServiceProvider.php
@@ -2,8 +2,8 @@
 
 namespace App\Providers;
 
-use Illuminate\Support\ServiceProvider;
 use Illuminate\Support\Facades\Broadcast;
+use Illuminate\Support\ServiceProvider;
 
 class BroadcastServiceProvider extends ServiceProvider
 {
diff --git a/app/Providers/EventServiceProvider.php b/app/Providers/EventServiceProvider.php
index 4e1b51e..2993781 100644
--- a/app/Providers/EventServiceProvider.php
+++ b/app/Providers/EventServiceProvider.php
@@ -2,8 +2,8 @@
 
 namespace App\Providers;
 
-use Illuminate\Support\Facades\Event;
 use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;
+use Illuminate\Support\Facades\Event;
 
 class EventServiceProvider extends ServiceProvider
 {
diff --git a/app/Providers/RouteServiceProvider.php b/app/Providers/RouteServiceProvider.php
index 5ea48d3..548e4be 100644
--- a/app/Providers/RouteServiceProvider.php
+++ b/app/Providers/RouteServiceProvider.php
@@ -2,8 +2,8 @@
 
 namespace App\Providers;
 
-use Illuminate\Support\Facades\Route;
 use Illuminate\Foundation\Support\Providers\RouteServiceProvider as ServiceProvider;
+use Illuminate\Support\Facades\Route;
 
 class RouteServiceProvider extends ServiceProvider
 {
diff --git a/app/User.php b/app/User.php
index 94fcf46..5469e52 100644
--- a/app/User.php
+++ b/app/User.php
@@ -2,8 +2,8 @@
 
 namespace App;
 
-use Illuminate\Notifications\Notifiable;
 use Illuminate\Foundation\Auth\User as Authenticatable;
+use Illuminate\Notifications\Notifiable;
 use Illuminate\Support\Facades\Auth;
 
 class User extends Authenticatable
@@ -36,9 +36,10 @@ class User extends Authenticatable
      * @param int $size 画像サイズ
      * @return string Gravatar 画像URL
      */
-    public function getProfileImageUrl($size = 30) : string
+    public function getProfileImageUrl($size = 30): string
     {
         $hash = md5(strtolower(trim($this->email)));
+
         return '//www.gravatar.com/avatar/' . $hash . '?s=' . $size;
     }
 
diff --git a/app/Utilities/Formatter.php b/app/Utilities/Formatter.php
index c19e6f2..b7ea0e7 100644
--- a/app/Utilities/Formatter.php
+++ b/app/Utilities/Formatter.php
@@ -24,6 +24,7 @@ class Formatter
         $days = floor($value / 86400);
         $hours = floor($value % 86400 / 3600);
         $minutes = floor($value % 3600 / 60);
+
         return "{$days}日 {$hours}時間 {$minutes}分";
     }
 
@@ -61,4 +62,4 @@ class Formatter
 
         return $url;
     }
-}
\ No newline at end of file
+}
diff --git a/composer.json b/composer.json
index b309ae6..12d430e 100644
--- a/composer.json
+++ b/composer.json
@@ -6,6 +6,7 @@
     "type": "project",
     "require": {
         "php": ">=7.0.0",
+        "anhskohbo/no-captcha": "^3.0",
         "doctrine/dbal": "^2.9",
         "fideloper/proxy": "~3.3",
         "guzzlehttp/guzzle": "^6.3",
@@ -16,6 +17,7 @@
     "require-dev": {
         "barryvdh/laravel-debugbar": "^3.1",
         "filp/whoops": "~2.0",
+        "friendsofphp/php-cs-fixer": "^2.14",
         "fzaninotto/faker": "~1.4",
         "mockery/mockery": "~1.0",
         "phpunit/phpunit": "~6.0",
diff --git a/composer.lock b/composer.lock
index 0d47d7a..0e3e49e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,67 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "6ac4cd158b1f93a24e21fce57d4404c8",
+    "content-hash": "9a0efd1b396f7a748eee3b98cbd7b6a6",
     "packages": [
+        {
+            "name": "anhskohbo/no-captcha",
+            "version": "3.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/anhskohbo/no-captcha.git",
+                "reference": "164715a2de0fded5979e7a9b7721785d72a4a7d3"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/anhskohbo/no-captcha/zipball/164715a2de0fded5979e7a9b7721785d72a4a7d3",
+                "reference": "164715a2de0fded5979e7a9b7721785d72a4a7d3",
+                "shasum": ""
+            },
+            "require": {
+                "guzzlehttp/guzzle": "^6.2",
+                "illuminate/support": "5.0.*|5.1.*|5.2.*|5.3.*|5.4.*|5.5.*|5.6.*|5.7.*",
+                "php": ">=5.5.5"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.8"
+            },
+            "type": "library",
+            "extra": {
+                "laravel": {
+                    "providers": [
+                        "Anhskohbo\\NoCaptcha\\NoCaptchaServiceProvider"
+                    ],
+                    "aliases": {
+                        "NoCaptcha": "Anhskohbo\\NoCaptcha\\Facades\\NoCaptcha"
+                    }
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Anhskohbo\\NoCaptcha\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "anhskohbo",
+                    "email": "anhskohbo@gmail.com"
+                }
+            ],
+            "description": "No CAPTCHA reCAPTCHA For Laravel.",
+            "keywords": [
+                "captcha",
+                "laravel",
+                "laravel4",
+                "laravel5",
+                "no-captcha",
+                "recaptcha"
+            ],
+            "time": "2018-08-27T02:16:31+00:00"
+        },
         {
             "name": "dnoegel/php-xdg-base-dir",
             "version": "0.1",
@@ -2986,6 +3045,180 @@
             ],
             "time": "2018-11-09T08:37:55+00:00"
         },
+        {
+            "name": "composer/semver",
+            "version": "1.4.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/composer/semver.git",
+                "reference": "c7cb9a2095a074d131b65a8a0cd294479d785573"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/composer/semver/zipball/c7cb9a2095a074d131b65a8a0cd294479d785573",
+                "reference": "c7cb9a2095a074d131b65a8a0cd294479d785573",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.2 || ^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.5 || ^5.0.5",
+                "phpunit/phpunit-mock-objects": "2.3.0 || ^3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Composer\\Semver\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nils Adermann",
+                    "email": "naderman@naderman.de",
+                    "homepage": "http://www.naderman.de"
+                },
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be",
+                    "homepage": "http://seld.be"
+                },
+                {
+                    "name": "Rob Bast",
+                    "email": "rob.bast@gmail.com",
+                    "homepage": "http://robbast.nl"
+                }
+            ],
+            "description": "Semver library that offers utilities, version constraint parsing and validation.",
+            "keywords": [
+                "semantic",
+                "semver",
+                "validation",
+                "versioning"
+            ],
+            "time": "2016-08-30T16:08:34+00:00"
+        },
+        {
+            "name": "composer/xdebug-handler",
+            "version": "1.3.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/composer/xdebug-handler.git",
+                "reference": "dc523135366eb68f22268d069ea7749486458562"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/composer/xdebug-handler/zipball/dc523135366eb68f22268d069ea7749486458562",
+                "reference": "dc523135366eb68f22268d069ea7749486458562",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.2 || ^7.0",
+                "psr/log": "^1.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Composer\\XdebugHandler\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "John Stevenson",
+                    "email": "john-stevenson@blueyonder.co.uk"
+                }
+            ],
+            "description": "Restarts a process without xdebug.",
+            "keywords": [
+                "Xdebug",
+                "performance"
+            ],
+            "time": "2018-11-29T10:59:02+00:00"
+        },
+        {
+            "name": "doctrine/annotations",
+            "version": "v1.6.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/annotations.git",
+                "reference": "c7f2050c68a9ab0bdb0f98567ec08d80ea7d24d5"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/annotations/zipball/c7f2050c68a9ab0bdb0f98567ec08d80ea7d24d5",
+                "reference": "c7f2050c68a9ab0bdb0f98567ec08d80ea7d24d5",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/lexer": "1.*",
+                "php": "^7.1"
+            },
+            "require-dev": {
+                "doctrine/cache": "1.*",
+                "phpunit/phpunit": "^6.4"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.6.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Common\\Annotations\\": "lib/Doctrine/Common/Annotations"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Benjamin Eberlei",
+                    "email": "kontakt@beberlei.de"
+                },
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
+                {
+                    "name": "Jonathan Wage",
+                    "email": "jonwage@gmail.com"
+                },
+                {
+                    "name": "Johannes Schmitt",
+                    "email": "schmittjoh@gmail.com"
+                }
+            ],
+            "description": "Docblock Annotations Parser",
+            "homepage": "http://www.doctrine-project.org",
+            "keywords": [
+                "annotations",
+                "docblock",
+                "parser"
+            ],
+            "time": "2017-12-06T07:11:42+00:00"
+        },
         {
             "name": "doctrine/instantiator",
             "version": "1.1.0",
@@ -3101,6 +3334,102 @@
             ],
             "time": "2018-10-23T09:00:00+00:00"
         },
+        {
+            "name": "friendsofphp/php-cs-fixer",
+            "version": "v2.14.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/FriendsOfPHP/PHP-CS-Fixer.git",
+                "reference": "b788ea0af899cedc8114dca7db119c93b6685da2"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/FriendsOfPHP/PHP-CS-Fixer/zipball/b788ea0af899cedc8114dca7db119c93b6685da2",
+                "reference": "b788ea0af899cedc8114dca7db119c93b6685da2",
+                "shasum": ""
+            },
+            "require": {
+                "composer/semver": "^1.4",
+                "composer/xdebug-handler": "^1.2",
+                "doctrine/annotations": "^1.2",
+                "ext-json": "*",
+                "ext-tokenizer": "*",
+                "php": "^5.6 || ^7.0",
+                "php-cs-fixer/diff": "^1.3",
+                "symfony/console": "^3.4.17 || ^4.1.6",
+                "symfony/event-dispatcher": "^3.0 || ^4.0",
+                "symfony/filesystem": "^3.0 || ^4.0",
+                "symfony/finder": "^3.0 || ^4.0",
+                "symfony/options-resolver": "^3.0 || ^4.0",
+                "symfony/polyfill-php70": "^1.0",
+                "symfony/polyfill-php72": "^1.4",
+                "symfony/process": "^3.0 || ^4.0",
+                "symfony/stopwatch": "^3.0 || ^4.0"
+            },
+            "conflict": {
+                "hhvm": "*"
+            },
+            "require-dev": {
+                "johnkary/phpunit-speedtrap": "^1.1 || ^2.0 || ^3.0",
+                "justinrainbow/json-schema": "^5.0",
+                "keradus/cli-executor": "^1.2",
+                "mikey179/vfsstream": "^1.6",
+                "php-coveralls/php-coveralls": "^2.1",
+                "php-cs-fixer/accessible-object": "^1.0",
+                "php-cs-fixer/phpunit-constraint-isidenticalstring": "^1.0.1",
+                "php-cs-fixer/phpunit-constraint-xmlmatchesxsd": "^1.0.1",
+                "phpunit/phpunit": "^5.7.27 || ^6.5.8 || ^7.1",
+                "phpunitgoodpractices/traits": "^1.5.1",
+                "symfony/phpunit-bridge": "^4.0"
+            },
+            "suggest": {
+                "ext-mbstring": "For handling non-UTF8 characters in cache signature.",
+                "php-cs-fixer/phpunit-constraint-isidenticalstring": "For IsIdenticalString constraint.",
+                "php-cs-fixer/phpunit-constraint-xmlmatchesxsd": "For XmlMatchesXsd constraint.",
+                "symfony/polyfill-mbstring": "When enabling `ext-mbstring` is not possible."
+            },
+            "bin": [
+                "php-cs-fixer"
+            ],
+            "type": "application",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.14-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "PhpCsFixer\\": "src/"
+                },
+                "classmap": [
+                    "tests/Test/AbstractFixerTestCase.php",
+                    "tests/Test/AbstractIntegrationCaseFactory.php",
+                    "tests/Test/AbstractIntegrationTestCase.php",
+                    "tests/Test/Assert/AssertTokensTrait.php",
+                    "tests/Test/IntegrationCase.php",
+                    "tests/Test/IntegrationCaseFactory.php",
+                    "tests/Test/IntegrationCaseFactoryInterface.php",
+                    "tests/Test/InternalIntegrationCaseFactory.php",
+                    "tests/TestCase.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Dariusz Rumiński",
+                    "email": "dariusz.ruminski@gmail.com"
+                },
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                }
+            ],
+            "description": "A tool to automatically fix PHP code style",
+            "time": "2019-01-04T18:29:47+00:00"
+        },
         {
             "name": "fzaninotto/faker",
             "version": "v1.8.0",
@@ -3475,6 +3804,57 @@
             "description": "Library for handling version information and constraints",
             "time": "2017-03-05T17:38:23+00:00"
         },
+        {
+            "name": "php-cs-fixer/diff",
+            "version": "v1.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/PHP-CS-Fixer/diff.git",
+                "reference": "78bb099e9c16361126c86ce82ec4405ebab8e756"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/PHP-CS-Fixer/diff/zipball/78bb099e9c16361126c86ce82ec4405ebab8e756",
+                "reference": "78bb099e9c16361126c86ce82ec4405ebab8e756",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.6 || ^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^5.7.23 || ^6.4.3",
+                "symfony/process": "^3.3"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Kore Nordmann",
+                    "email": "mail@kore-nordmann.de"
+                },
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                },
+                {
+                    "name": "SpacePossum"
+                }
+            ],
+            "description": "sebastian/diff v2 backport support for PHP5.6",
+            "homepage": "https://github.com/PHP-CS-Fixer",
+            "keywords": [
+                "diff"
+            ],
+            "time": "2018-02-15T16:58:55+00:00"
+        },
         {
             "name": "phpdocumentor/reflection-common",
             "version": "1.0.1",
@@ -4641,6 +5021,215 @@
             "homepage": "https://github.com/sebastianbergmann/version",
             "time": "2016-10-03T07:35:21+00:00"
         },
+        {
+            "name": "symfony/filesystem",
+            "version": "v4.2.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/filesystem.git",
+                "reference": "c2ffd9a93f2d6c5be2f68a0aa7953cc229f871f8"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/c2ffd9a93f2d6c5be2f68a0aa7953cc229f871f8",
+                "reference": "c2ffd9a93f2d6c5be2f68a0aa7953cc229f871f8",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3",
+                "symfony/polyfill-ctype": "~1.8"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.2-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Filesystem\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Filesystem Component",
+            "homepage": "https://symfony.com",
+            "time": "2019-01-03T09:07:35+00:00"
+        },
+        {
+            "name": "symfony/options-resolver",
+            "version": "v4.2.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/options-resolver.git",
+                "reference": "fbcb106aeee72f3450298bf73324d2cc00d083d1"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/options-resolver/zipball/fbcb106aeee72f3450298bf73324d2cc00d083d1",
+                "reference": "fbcb106aeee72f3450298bf73324d2cc00d083d1",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.2-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\OptionsResolver\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony OptionsResolver Component",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "config",
+                "configuration",
+                "options"
+            ],
+            "time": "2019-01-03T09:07:35+00:00"
+        },
+        {
+            "name": "symfony/polyfill-php72",
+            "version": "v1.10.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-php72.git",
+                "reference": "9050816e2ca34a8e916c3a0ae8b9c2fccf68b631"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-php72/zipball/9050816e2ca34a8e916c3a0ae8b9c2fccf68b631",
+                "reference": "9050816e2ca34a8e916c3a0ae8b9c2fccf68b631",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.9-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php72\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "time": "2018-09-21T13:07:52+00:00"
+        },
+        {
+            "name": "symfony/stopwatch",
+            "version": "v4.2.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/stopwatch.git",
+                "reference": "af62b35760fc92c8dbdce659b4eebdfe0e6a0472"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/stopwatch/zipball/af62b35760fc92c8dbdce659b4eebdfe0e6a0472",
+                "reference": "af62b35760fc92c8dbdce659b4eebdfe0e6a0472",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1.3",
+                "symfony/contracts": "^1.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.2-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Stopwatch\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Stopwatch Component",
+            "homepage": "https://symfony.com",
+            "time": "2019-01-03T09:07:35+00:00"
+        },
         {
             "name": "symfony/thanks",
             "version": "v1.1.0",
diff --git a/database/migrations/2014_10_12_000000_create_users_table.php b/database/migrations/2014_10_12_000000_create_users_table.php
index 93d7dc8..ddf1941 100644
--- a/database/migrations/2014_10_12_000000_create_users_table.php
+++ b/database/migrations/2014_10_12_000000_create_users_table.php
@@ -1,8 +1,8 @@
 <?php
 
-use Illuminate\Support\Facades\Schema;
-use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 class CreateUsersTable extends Migration
 {
diff --git a/database/migrations/2014_10_12_100000_create_password_resets_table.php b/database/migrations/2014_10_12_100000_create_password_resets_table.php
index 0d5cb84..0ee0a36 100644
--- a/database/migrations/2014_10_12_100000_create_password_resets_table.php
+++ b/database/migrations/2014_10_12_100000_create_password_resets_table.php
@@ -1,8 +1,8 @@
 <?php
 
-use Illuminate\Support\Facades\Schema;
-use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 class CreatePasswordResetsTable extends Migration
 {
diff --git a/database/migrations/2017_07_18_142028_create_ejaculations_table.php b/database/migrations/2017_07_18_142028_create_ejaculations_table.php
index f9ecde5..2025fc0 100644
--- a/database/migrations/2017_07_18_142028_create_ejaculations_table.php
+++ b/database/migrations/2017_07_18_142028_create_ejaculations_table.php
@@ -1,8 +1,8 @@
 <?php
 
-use Illuminate\Support\Facades\Schema;
-use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 class CreateEjaculationsTable extends Migration
 {
diff --git a/database/migrations/2017_11_03_182707_create_information_table.php b/database/migrations/2017_11_03_182707_create_information_table.php
index 8df1493..9796590 100644
--- a/database/migrations/2017_11_03_182707_create_information_table.php
+++ b/database/migrations/2017_11_03_182707_create_information_table.php
@@ -1,8 +1,8 @@
 <?php
 
-use Illuminate\Support\Facades\Schema;
-use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 class CreateInformationTable extends Migration
 {
diff --git a/database/migrations/2018_01_04_230948_add_link_to_ejaculations.php b/database/migrations/2018_01_04_230948_add_link_to_ejaculations.php
index 22665fb..160814c 100644
--- a/database/migrations/2018_01_04_230948_add_link_to_ejaculations.php
+++ b/database/migrations/2018_01_04_230948_add_link_to_ejaculations.php
@@ -1,8 +1,8 @@
 <?php
 
-use Illuminate\Support\Facades\Schema;
-use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 class AddLinkToEjaculations extends Migration
 {
diff --git a/database/migrations/2018_01_08_075844_create_tags_table.php b/database/migrations/2018_01_08_075844_create_tags_table.php
index 3693b75..3e293b6 100644
--- a/database/migrations/2018_01_08_075844_create_tags_table.php
+++ b/database/migrations/2018_01_08_075844_create_tags_table.php
@@ -1,8 +1,8 @@
 <?php
 
-use Illuminate\Support\Facades\Schema;
-use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 class CreateTagsTable extends Migration
 {
diff --git a/database/migrations/2018_06_07_225520_create_metadata_table.php b/database/migrations/2018_06_07_225520_create_metadata_table.php
index 3cb78f6..fbc0c15 100644
--- a/database/migrations/2018_06_07_225520_create_metadata_table.php
+++ b/database/migrations/2018_06_07_225520_create_metadata_table.php
@@ -1,8 +1,8 @@
 <?php
 
-use Illuminate\Support\Facades\Schema;
-use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 class CreateMetadataTable extends Migration
 {
diff --git a/database/migrations/2018_06_08_014226_recreate_metadata_table.php b/database/migrations/2018_06_08_014226_recreate_metadata_table.php
index cdd5cf4..2875212 100644
--- a/database/migrations/2018_06_08_014226_recreate_metadata_table.php
+++ b/database/migrations/2018_06_08_014226_recreate_metadata_table.php
@@ -1,8 +1,8 @@
 <?php
 
-use Illuminate\Support\Facades\Schema;
-use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 class RecreateMetadataTable extends Migration
 {
diff --git a/database/migrations/2019_01_13_224305_change_link_on_ejaculations.php b/database/migrations/2019_01_13_224305_change_link_on_ejaculations.php
index a138c61..3c567e5 100644
--- a/database/migrations/2019_01_13_224305_change_link_on_ejaculations.php
+++ b/database/migrations/2019_01_13_224305_change_link_on_ejaculations.php
@@ -1,8 +1,8 @@
 <?php
 
-use Illuminate\Support\Facades\Schema;
-use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
 
 class ChangeLinkOnEjaculations extends Migration
 {
diff --git a/database/migrations/2019_01_15_143800_add_expires_on_metadata.php b/database/migrations/2019_01_15_143800_add_expires_on_metadata.php
new file mode 100644
index 0000000..46891e1
--- /dev/null
+++ b/database/migrations/2019_01_15_143800_add_expires_on_metadata.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddExpiresOnMetadata extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('metadata', function (Blueprint $table) {
+            $table->timestamp('expires_at')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('metadata', function (Blueprint $table) {
+            $table->removeColumn('expires_at');
+        });
+    }
+}
diff --git a/dist/bin/tissue-entrypoint.sh b/dist/bin/tissue-entrypoint.sh
new file mode 100755
index 0000000..49280f5
--- /dev/null
+++ b/dist/bin/tissue-entrypoint.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+set -e
+
+if [[ "$APP_DEBUG" == "true" ]]; then
+  export PHP_INI_SCAN_DIR=":/usr/local/etc/php/php.d"
+fi
+
+exec docker-php-entrypoint "$@"
diff --git a/dist/php.d/99-xdebug.ini b/dist/php.d/99-xdebug.ini
new file mode 100644
index 0000000..a6e8b8c
--- /dev/null
+++ b/dist/php.d/99-xdebug.ini
@@ -0,0 +1,5 @@
+; Dockerでのデバッグ用設定
+zend_extension=xdebug.so
+xdebug.remote_enable=true
+xdebug.remote_autostart=true
+xdebug.remote_host=host.docker.internal
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index f5fbae3..6055b8d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,13 +3,8 @@ version: "3"
 services:
   web:
     build: .
-    environment:
-      DB_CONNECTION: pgsql
-      DB_HOST: db
-      DB_PORT: 5432
-      DB_DATABASE: tissue
-      DB_USERNAME: tissue
-      DB_PASSWORD: tissue
+    env_file:
+      - .env
     volumes:
       - .:/var/www/html
     networks:
diff --git a/resources/lang/ja/validation.php b/resources/lang/ja/validation.php
index 7b11851..ecf3a03 100644
--- a/resources/lang/ja/validation.php
+++ b/resources/lang/ja/validation.php
@@ -99,6 +99,10 @@ return [
         'attribute-name' => [
             'rule-name' => 'custom-message',
         ],
+        'g-recaptcha-response' => [
+            'required' => '「私はロボットではありません」にチェックを入れてください。',
+            'captcha' => 'reCAPTCHAチェックに失敗しました。何度試しても解決しない場合、管理者にお問い合わせください。',
+        ],
     ],
 
     /*
@@ -117,4 +121,4 @@ return [
         'password' => 'パスワード',
     ],
 
-];
\ No newline at end of file
+];
diff --git a/resources/views/auth/login.blade.php b/resources/views/auth/login.blade.php
index fed7176..395cc11 100644
--- a/resources/views/auth/login.blade.php
+++ b/resources/views/auth/login.blade.php
@@ -13,7 +13,7 @@
 
                 <div class="form-group">
                     <label for="email"><span class="oi oi-envelope-closed"></span> メールアドレス</label>
-                    <input id="email" name="email" class="form-control{{ $errors->has('email') ? ' is-invalid' : '' }}" type="text" value="{{ old('email') }}" required autofocus>
+                    <input id="email" name="email" class="form-control{{ $errors->has('email') ? ' is-invalid' : '' }}" type="email" value="{{ old('email') }}" required autofocus>
 
                     @if ($errors->has('email'))
                         <div class="invalid-feedback">{{ $errors->first('email') }}</div>
diff --git a/resources/views/auth/passwords/email.blade.php b/resources/views/auth/passwords/email.blade.php
index c0fa9b6..7ecf31e 100644
--- a/resources/views/auth/passwords/email.blade.php
+++ b/resources/views/auth/passwords/email.blade.php
@@ -16,7 +16,7 @@
 
                 <div class="form-group">
                     <label for="email"><span class="oi oi-envelope-closed"></span> メールアドレス</label>
-                    <input id="email" name="email" class="form-control{{ $errors->has('email') ? ' is-invalid' : '' }}" type="text" value="{{ old('email') }}" required autofocus>
+                    <input id="email" name="email" class="form-control{{ $errors->has('email') ? ' is-invalid' : '' }}" type="email" value="{{ old('email') }}" required autofocus>
 
                     @if ($errors->has('email'))
                         <div class="invalid-feedback">{{ $errors->first('email') }}</div>
diff --git a/resources/views/auth/passwords/reset.blade.php b/resources/views/auth/passwords/reset.blade.php
index e9ab11c..b68e7c8 100644
--- a/resources/views/auth/passwords/reset.blade.php
+++ b/resources/views/auth/passwords/reset.blade.php
@@ -18,7 +18,7 @@
 
                 <div class="form-group">
                     <label for="email"><span class="oi oi-envelope-closed"></span> メールアドレス</label>
-                    <input id="email" name="email" class="form-control{{ $errors->has('email') ? ' is-invalid' : '' }}" type="text" value="{{ old('email') }}" required>
+                    <input id="email" name="email" class="form-control{{ $errors->has('email') ? ' is-invalid' : '' }}" type="email" value="{{ old('email') }}" required>
 
                     @if ($errors->has('email'))
                         <div class="invalid-feedback">{{ $errors->first('email') }}</div>
diff --git a/resources/views/auth/register.blade.php b/resources/views/auth/register.blade.php
index 7ef6a7d..e84e9d4 100644
--- a/resources/views/auth/register.blade.php
+++ b/resources/views/auth/register.blade.php
@@ -2,6 +2,12 @@
 
 @section('title', '新規登録')
 
+@push('head')
+    @if (!empty(config('captcha.secret')))
+        {!! NoCaptcha::renderJs() !!}
+    @endif
+@endpush
+
 @section('content')
 <div class="container">
     <h2>新規登録</h2>
@@ -21,7 +27,7 @@
                 </div>
                 <div class="form-group">
                     <label for="email"><span class="oi oi-envelope-closed"></span> メールアドレス</label>
-                    <input id="email" name="email" class="form-control{{ $errors->has('email') ? ' is-invalid' : '' }}" type="text" value="{{ old('email') }}" required>
+                    <input id="email" name="email" class="form-control{{ $errors->has('email') ? ' is-invalid' : '' }}" type="email" value="{{ old('email') }}" required>
 
                     @if ($errors->has('email'))
                         <div class="invalid-feedback">{{ $errors->first('email') }}</div>
@@ -53,6 +59,16 @@
                         </div>
                     </div>
                 </div>
+                @if (!empty(config('captcha.secret')))
+                    <div class="form-row ml-1 mt-2 my-4">
+                        <div class="mx-auto">
+                            {!! NoCaptcha::display() !!}
+                        </div>
+                        @if ($errors->has('g-recaptcha-response'))
+                            <div class="invalid-feedback d-block text-center">{{ $errors->first('g-recaptcha-response') }}</div>
+                        @endif
+                    </div>
+                @endif
 
                 <div class="text-center">
                     <button class="btn btn-primary btn-lg" type="submit">登録</button>
diff --git a/resources/views/home.blade.php b/resources/views/home.blade.php
index 2098826..2b3b8d4 100644
--- a/resources/views/home.blade.php
+++ b/resources/views/home.blade.php
@@ -34,7 +34,7 @@
                                 <!-- span -->
                                 <div class="d-flex justify-content-between">
                                     <h5>
-                                        <a href="{{ route('user.profile', ['id' => $ejaculation->user->name]) }}" class="text-dark"><img src="{{ $ejaculation->user->getProfileImageUrl(30) }}" width="30" height="30" class="rounded d-inline-block align-bottom"> &commat;{{ $ejaculation->user->name }}</a>
+                                        <a href="{{ route('user.profile', ['id' => $ejaculation->user->name]) }}" class="text-dark"><img src="{{ $ejaculation->user->getProfileImageUrl(30) }}" width="30" height="30" class="rounded d-inline-block align-bottom"> {{ $ejaculation->user->display_name }}</a>
                                         <a href="{{ route('checkin.show', ['id' => $ejaculation->id]) }}" class="text-muted"><small>{{ $ejaculation->ejaculated_date->format('Y/m/d H:i') }}</small></a>
                                     </h5>
                                     <div>
diff --git a/resources/views/search/index.blade.php b/resources/views/search/index.blade.php
index 1f48635..56440b1 100644
--- a/resources/views/search/index.blade.php
+++ b/resources/views/search/index.blade.php
@@ -10,7 +10,7 @@
                 <!-- span -->
                 <div class="d-flex justify-content-between">
                     <h5>
-                        <a href="{{ route('user.profile', ['id' => $ejaculation->user->name]) }}" class="text-dark"><img src="{{ $ejaculation->user->getProfileImageUrl(30) }}" width="30" height="30" class="rounded d-inline-block align-bottom"> &commat;{{ $ejaculation->user->name }}</a>
+                        <a href="{{ route('user.profile', ['id' => $ejaculation->user->name]) }}" class="text-dark"><img src="{{ $ejaculation->user->getProfileImageUrl(30) }}" width="30" height="30" class="rounded d-inline-block align-bottom"> {{ $ejaculation->user->display_name }}</a>
                         <a href="{{ route('checkin.show', ['id' => $ejaculation->id]) }}" class="text-muted"><small>{{ $ejaculation->ejaculated_date->format('Y/m/d H:i') }}</small></a>
                     </h5>
                     <div>
diff --git a/routes/api.php b/routes/api.php
index 4ef841a..eb38041 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -26,13 +26,13 @@ Route::get('/checkin/card', function (Request $request, MetadataResolver $resolv
     $url = $formatter->normalizeUrl($request->input('url'));
 
     $metadata = App\Metadata::find($url);
-    if ($metadata == null) {
+    if ($metadata == null || ($metadata->expires_at !== null && $metadata->expires_at < now())) {
         $resolved = $resolver->resolve($url);
-        $metadata = App\Metadata::create([
-            'url' => $url,
+        $metadata = App\Metadata::updateOrCreate(['url' => $url], [
             'title' => $resolved->title,
             'description' => $resolved->description,
-            'image' => $resolved->image
+            'image' => $resolved->image,
+            'expires_at' => $resolved->expires_at
         ]);
     }
 
@@ -40,5 +40,6 @@ Route::get('/checkin/card', function (Request $request, MetadataResolver $resolv
     if (!config('app.debug')) {
         $response = $response->setCache(['public' => true, 'max_age' => 86400]);
     }
+
     return $response;
-});
\ No newline at end of file
+});
diff --git a/routes/web.php b/routes/web.php
index a4ba687..5699e7e 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -15,7 +15,7 @@ Auth::routes();
 
 Route::get('/', 'HomeController@index')->name('home');
 
-Route::get('/user', function() {
+Route::get('/user', function () {
     return redirect()->route('user.profile', ['name' => Auth::user()->name]);
 })->middleware('auth')->name('user.profile');
 Route::get('/user/{name?}', 'UserController@profile')->name('user.profile');
@@ -36,4 +36,4 @@ Route::get('/info/{id}', 'InfoController@show')->where('id', '[0-9]+')->name('in
 
 Route::redirect('/search', '/search/checkin', 301);
 Route::get('/search/checkin', 'SearchController@index')->name('search');
-Route::get('/search/related-tag', 'SearchController@relatedTag')->name('search.related-tag');
\ No newline at end of file
+Route::get('/search/related-tag', 'SearchController@relatedTag')->name('search.related-tag');
diff --git a/tests/Feature/ExampleTest.php b/tests/Feature/ExampleTest.php
index 486dc27..1467c89 100644
--- a/tests/Feature/ExampleTest.php
+++ b/tests/Feature/ExampleTest.php
@@ -2,10 +2,10 @@
 
 namespace Tests\Feature;
 
-use Tests\TestCase;
-use Illuminate\Foundation\Testing\WithoutMiddleware;
 use Illuminate\Foundation\Testing\DatabaseMigrations;
 use Illuminate\Foundation\Testing\DatabaseTransactions;
+use Illuminate\Foundation\Testing\WithoutMiddleware;
+use Tests\TestCase;
 
 class ExampleTest extends TestCase
 {
diff --git a/tests/Unit/ExampleTest.php b/tests/Unit/ExampleTest.php
index 5663bb4..225d467 100644
--- a/tests/Unit/ExampleTest.php
+++ b/tests/Unit/ExampleTest.php
@@ -2,9 +2,9 @@
 
 namespace Tests\Unit;
 
-use Tests\TestCase;
 use Illuminate\Foundation\Testing\DatabaseMigrations;
 use Illuminate\Foundation\Testing\DatabaseTransactions;
+use Tests\TestCase;
 
 class ExampleTest extends TestCase
 {