diff --git a/forms/index.frm.php b/forms/index.frm.php
index 40c9b8d..fe6b7c2 100644
--- a/forms/index.frm.php
+++ b/forms/index.frm.php
@@ -1,12 +1,11 @@
 <!DOCTYPE html>
 <html lang="ja">
     <head>
-        <meta charset="UTF-8" />
-        <meta name="robots" content="noindex" />
-        <title><?= ($title == '') ? '' : ($title . ' - ') ?>キケッツチャンネル お絵描き掲示板</title>
-        <!-- <link rel="stylesheet" href="https://jpafonts.osdn.jp/webfonts/jpafonts.css" /> -->
-        <link rel="stylesheet" type="text/css" href="./styles/style.css" />
-        <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.15.4/css/all.css" />
+        <meta charset="UTF-8">
+        <meta name="robots" content="noindex">
+        <title><?= ($title == '') ? '' : ($title . ' - ') ?>キケッツチャンネル お絵描き掲示板（跡地）</title>
+        <link rel="stylesheet" type="text/css" href="./styles/style.css">
+        <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.15.4/css/all.css">
         <script defer src="https://use.fontawesome.com/releases/v5.15.4/js/all.js"></script>
         <script src="./scripts/colour-pad.js"></script>
     </head>
@@ -24,13 +23,13 @@
                     <div style="margin-bottom: 16px">
                         <div>
                             <label for="width">幅：</label>
-                            <input type="number" id="change-width" name="width" value="480" min="32" max="640" />
+                            <input type="number" id="change-width" name="width" value="480" min="32" max="640">
                             <label>（32 〜 640）</label>
                         </div>
 
                         <div>
                             <label for="height">高さ：</label>
-                            <input type="number" id="change-height" name="height" value="480" min="24" max="480" />
+                            <input type="number" id="change-height" name="height" value="480" min="24" max="480">
                             <label>（24 〜 480）</label>
                         </div>
                     </div>
@@ -41,14 +40,14 @@
             </div>
         </div>
 
-        <h1><a href="."><img src="/assets/kusobbs.gif" alt="クソ掲示板" style="width: 398px" /></a></h1>
+        <h1><a href="."><img src="./assets/kusobbs.gif" alt="クソ掲示板" style="width: 398px"></a></h1>
         <div style="text-align: center"><a href="#" onclick="PauseMusic ()" id="mute">&emsp;</a></div>
 
         <?php if ($thread == -1): ?>
         <form action="./modules/make_thread.php" method="POST">
-            スレ名：<input type="text" name="thread-name" /><br />
-            スレ内容：<textarea name="thread-explain"></textarea><br />
-            <input type="submit" value="スレ立て" />
+            スレ名：<input type="text" name="thread-name"><br>
+            スレ内容：<textarea name="thread-explain"></textarea><br>
+            <input type="submit" value="スレ立て" disabled>
         </form>
 
         <?php if ($result = $mysqli -> query ("SELECT * FROM threads WHERE id <> 1 ORDER BY latest DESC")): ?>
@@ -81,8 +80,8 @@
         </table>
 
         <form id="message-form">
-            <label>名前：</label><input type="text" id="user-name" name="name" /><br />
-            <label>削除用パスワード：</label><input type="password" id="password" name="password" />
+            <label>名前：</label><input type="text" id="user-name" name="name"><br>
+            <label>削除用パスワード：</label><input type="password" id="password" name="password">
             <!-- <textarea id="message" name="message"></textarea> -->
         </form>
 
@@ -90,8 +89,8 @@
             <div style="display: flex; justify-content: center">
                 <div class="button-area" style="margin-right: 64px">
                     <button id="new">新規作成</button>
-                    <button id="send">送信</button>
-                    <button id="save">ダウンロード</button>
+                    <button id="send" disabled>送信</button>
+                    <button id="save" disabled>ダウンロード</button>
                     <button id="change-size">サイズ変更</button>
                 </div>
 
@@ -105,28 +104,20 @@
                 <div class="radio">
                     <form id="mode">
                         <label>モード：</label>
-                        <label><input type="radio" name="mode" value="pen" id="pen" checked />ペン</label>
-                        <label><input type="radio" name="mode" value="rubber" id="rubber" />消しゴム</label>
-                        <label><input type="radio" name="mode" value="bucket" id="bucket" />塗りつぶし</label>
+                        <label><input type="radio" name="mode" value="pen" id="pen" checked>ペン</label>
+                        <label><input type="radio" name="mode" value="rubber" id="rubber">消しゴム</label>
+                        <label><input type="radio" name="mode" value="bucket" id="bucket">塗りつぶし</label>
                     </form>
                 </div>
 
                 <div class="radio">
                     <label>取込み：</label>
-                    <input id="load" type="file" onChange="LoadFile (this.files)" />
+                    <input id="load" type="file" onChange="LoadFile (this.files)">
                 </div>
 
                 <div class="radio">
                     <form id="colour">
                         <label>色：</label>
-                        <!-- <input type="radio" name="colour" value="black" checked="checked" />黒
-                        <input type="radio" name="colour" value="blue" />ブルー
-                        <input type="radio" name="colour" value="red" />赤
-                        <input type="radio" name="colour" value="magenta" />マジェンタ
-                        <input type="radio" name="colour" value="lime" />ライム
-                        <input type="radio" name="colour" value="cyan" />青
-                        <input type="radio" name="colour" value="yellow" />イェロウ
-                        <input type="radio" name="colour" value="white" />白 -->
                         <button id="colour-picker" type="button" onclick="cmanCP_JS_open(this)" cmanCPat="def_color:cns=#000000,rc_form:RGBA,rc_func:changeColour">選択</button>
                         <label id="irorororo">黒</label>
                     </form>
@@ -135,31 +126,30 @@
                 <div class="radio">
                     <form id="size">
                         <label>太さ：</label>
-                        <label><input type="radio" name="size" value="1" />1</label>
-                        <label><input type="radio" name="size" value="2" />2</label>
-                        <label><input type="radio" name="size" value="3" checked="checked" />3</label>
-                        <label><input type="radio" name="size" value="5" />5</label>
-                        <label><input type="radio" name="size" value="7" />7</label>
-                        <label><input type="radio" name="size" value="10" />10</label>
-                        <label><input type="radio" name="size" value="15" />15</label>
-                        <!-- <input type="range" name="size" min="1" max="57" value="3" /> -->
-                        <label><input type="radio" name="size" value="0" />指定：
-                        <input style="width: 2em" type="number" name="size" id="size-free" value="57" /></label>
+                        <label><input type="radio" name="size" value="1">1</label>
+                        <label><input type="radio" name="size" value="2">2</label>
+                        <label><input type="radio" name="size" value="3" checked>3</label>
+                        <label><input type="radio" name="size" value="5">5</label>
+                        <label><input type="radio" name="size" value="7">7</label>
+                        <label><input type="radio" name="size" value="10">10</label>
+                        <label><input type="radio" name="size" value="15">15</label>
+                        <label><input type="radio" name="size" value="0">指定：
+                        <input style="width: 2em" type="number" name="size" id="size-free" value="57"></label>
                     </form>
                 </div>
 
                 <div class="radio">
                     <form id="layer">
                         <label>レイア：</label>
-                        <label><input onclick="reDraw ()" type="radio" name="layer" value="0" checked="checked" />基底</label>
-                        <label><input onclick="reDraw ()" type="radio" name="layer" value="1" />1</label>
-                        <label><input onclick="reDraw ()" type="radio" name="layer" value="2" />2</label>
+                        <label><input onclick="reDraw ()" type="radio" name="layer" value="0" checked>基底</label>
+                        <label><input onclick="reDraw ()" type="radio" name="layer" value="1">1</label>
+                        <label><input onclick="reDraw ()" type="radio" name="layer" value="2">2</label>
                         <button type="button" name="del">削除</button>
                         <button type="button" name="down">下へ</button>
                         <button type="button" name="up">上へ</button>
                         <button type="button" name="add">追加</button>
-                        <br />
-                        <label><input onclick="reDraw ()" type="checkbox" name="sep" />レイアを分けて表示</label>
+                        <br>
+                        <label><input onclick="reDraw ()" type="checkbox" name="sep">レイアを分けて表示</label>
                     </form>
                 </div>
             </div>
@@ -231,7 +221,7 @@
                                         font-size:              80%">
                                 <div style="grid-columns: 1; text-align: left;">
                                     <a style="color: blue; white-space: nowrap" title="低評価"
-                                       href="?thread=<?= $thread ?>&sort=<?= $sort ?>&evaluate=bad&id=<?= $row['id'] ?>#<?= $row['id'] ?>">
+                                       tabindex="-1">
                                         <i class="fas fa-thumbs-down"></i>&thinsp;<?= $row['bad'] ?>
                                     </a>
                                 </div>
@@ -251,7 +241,7 @@
                                 </div>
 
                                 <div style="grid-columns: 4; text-align: right">
-                                    <a style="color: red" title="高評価" href="?thread=<?= $thread ?>&sort=<?= $sort ?>&evaluate=good&id=<?= $row['id'] ?>#<?= $row['id'] ?>">
+                                    <a style="color: red" title="高評価" tabindex="-1">
                                         <?= $row['good'] ?>&thinsp;<i class="fas fa-thumbs-up"></i>
                                     </a>
                                 </div>
@@ -266,7 +256,7 @@
                     <?php elseif ($row['held']): ?>
                     <tr><td><p>確認中です．</p></td></tr>
                     <?php else: ?>
-                    <tr><td class="illust" style="display: grid; grid-template-columns: .375fr auto .375fr; align-items: end"><div style="grid-columns: 1"></div><div style="grid-columns: 2; text-align: center"><img style="border: solid 1px"src="<?= $dir . $row['image'] ?>" /></div><div style="grid-columns: 3; justify-self: end; margin-right: 8px; margin-bottom: 8px; font-size: 80%"><a href="#del" onclick="deletePost (<?= $row['id'] ?>)">削除</a></div></td></tr>
+                    <tr><td class="illust" style="display: grid; grid-template-columns: .375fr auto .375fr; align-items: end"><div style="grid-columns: 1"></div><div style="grid-columns: 2; text-align: center"><img style="border: solid 1px"src="<?= $dir . $row['image'] ?>"></div><div style="grid-columns: 3; justify-self: end; margin-right: 8px; margin-bottom: 8px; font-size: 80%"><a href="#del" onclick="deletePost (<?= $row['id'] ?>)">削除</a></div></td></tr>
                     <?php endif ?>
                 </tbody>
             </table>
@@ -280,19 +270,15 @@
         </div>
 
         <h3 id="del">レス削除</h3>
-        削除したいレス番号と削除用パスワードを入力して &ldquo;削除&rdquo; を押してください．<br />
-        <label>レス番号：</label><input type="text" id="del-id" /><br />
-        <label>削除用パスワード：</label><input type="password" id="del-pass" /><br />
+        削除したいレス番号と削除用パスワードを入力して &ldquo;削除&rdquo; を押してください．<br>
+        <label>レス番号：</label><input type="text" id="del-id"><br>
+        <label>削除用パスワード：</label><input type="password" id="del-pass"><br>
         <button id="delete" onclick="deletePostReally ()">削除</button>
         <?php endif ?>
 
-        <hr />
+        <hr>
 
         <footer>
-            <div class="attention">
-                このサイトでは，<a href="https://moji.or.jp/ipafont/license/" target="_blank">IPA フォントライセンス v1.0</a> で公開されてゐる <a href="https://jpafonts.osdn.jp/" target="_blank">JPA フォント</a>を使用してゐます．
-            </div>
-
             <div class="copyright">
                 &copy; このペィジへの投稿は，すべて，パブリック・ドメインとします．
             </div>
diff --git a/index.php b/index.php
index be7756b..a733999 100644
--- a/index.php
+++ b/index.php
@@ -1,6 +1,6 @@
 <?php
 
-require_once "${_SERVER['DOCUMENT_ROOT']}/database.php";
+require_once './database.php';
 
 if (isset ($_GET['page']))
   $page = $_GET['page'];
@@ -41,20 +41,5 @@ if ($result = $mysqli -> query ("SELECT * FROM threads WHERE id = $thread"))
     $result -> close ();
   }
 
-if (isset ($_GET['id'])
-    && isset ($_GET['evaluate'])
-    && (($_GET['evaluate'] == 'good') || ($_GET['evaluate'] == 'bad')))
-  {
-    $mysqli -> query ("
-            UPDATE
-              responses
-            SET
-              {$_GET['evaluate']} = {$_GET['evaluate']} + 1
-            WHERE
-              (thread_id = $thread) AND (response_id = {$_GET['id']})");
-
-    header ("Location: ./?thread=$thread&sort=$sort");
-  }
-
 require_once './forms/index.frm.php';
 
diff --git a/modules/backup.php b/modules/backup.php
deleted file mode 100644
index 267271b..0000000
--- a/modules/backup.php
+++ /dev/null
@@ -1,54 +0,0 @@
-<?php
-define ('SAVE_DIR', "${_SERVER['DOCUMENT_ROOT']}/drafts/");
-
-$json = getParamJSON ();
-
-if (!(isset ($json['data'])))
-  {
-    sendResult (false, 'Empty query Parameter: data');
-
-    exit (1);
-  }
-
-if (!(preg_match ('/^data:image\/png;base64,/', $json['data'])))
-  {
-    sendResult (false, 'Not Allow data type: data');
-
-    exit (1);
-  }
-
-$data = $json['data'];
-$data = str_replace ('data:image/png;base64,', '', $data);
-$data = str_replace (' ', '+', $data);
-$image = base64_decode ($data);
-
-$file = sprintf ('%s.png', $_GET['id']);
-$result = file_put_contents (SAVE_DIR . $file, $image, LOCK_EX);
-
-setcookie ('backup', $file, time () + 60 * 60 * 24 * 30);
-
-
-function
-getParamJSON ():
-array
-{
-  $buff = file_get_contents ('php://input');
-  $json = json_decode ($buff, true);
-
-  return ($json);
-}
-
-function
-sendResult (
-    $status,
-    $data):
-string
-{
-  header ('Access-Control-Allow-Origin: *');
-  header ('Access-Control-Allow-Headers: *');
-
-  echo json_encode(["status" => $status,
-                    "result" => $data]);
-}
-?>
-
diff --git a/modules/delete.php b/modules/delete.php
deleted file mode 100644
index b98bee8..0000000
--- a/modules/delete.php
+++ /dev/null
@@ -1,38 +0,0 @@
-<?php
-require "${_SERVER['DOCUMENT_ROOT']}/database.php";
-
-
-$mysqli = set_mysql ('miteruzo_bbs');
-
-$mysqli -> set_charset ('utf8');
-
-$thread = $_GET['thread'];
-$id = $_GET['id'];
-$pass = $_GET['pass'];
-
-if ($result = $mysqli -> query ("
-        SELECT
-          pass, image
-        FROM
-          responses
-        WHERE
-          (thread_id = {$_GET['thread']}) AND (response_id = {$_GET['id']})")):
-    $row = $result -> fetch_assoc ();
-
-    if ($_GET['pass'] == $row['pass']):
-        $mysqli -> query ("
-                UPDATE
-                  responses
-                SET
-                  deleted = 1
-                WHERE
-                  (thread_id = $thread) AND (response_id = $id)");
-
-        echo "消しましたぁ!!<br /><br /><img style='border: solid 1px' src='/images/{$row['image']}' />";
-    else:
-        echo '残念．<br />削除用パスワードが違います．';
-    endif;
-
-    echo "<br /><br />5 秒後に元のページに戻ります．<br /><br /><a href='/?thread=$thread#$id'>戻らない場合はこちら</a><script>setTimeout (function () {window.location.href = `/?thread=$thread#$id`}, 5000)</script>";
-endif;
-
diff --git a/modules/make_thread.php b/modules/make_thread.php
deleted file mode 100644
index 8ae4b56..0000000
--- a/modules/make_thread.php
+++ /dev/null
@@ -1,41 +0,0 @@
-<?php
-require "${_SERVER['DOCUMENT_ROOT']}/database.php";
-
-
-if (!(empty ($_POST['thread-name'])))
-  {
-    $explain = '<p>' . $_POST['thread-explain'] . '</p>';
-    $explain = str_replace ("\n", '</p><p>', $explain);
-
-    $mysqli = set_mysql ('miteruzo_bbs');
-
-    $mysqli -> set_charset ('utf8');
-
-    $result = $mysqli -> query ('SELECT COUNT(*) FROM threads');
-    $row = $result -> fetch_assoc ();
-    $current = $row['COUNT(*)'];
-
-    $result -> close ();
-
-    $sql = "INSERT INTO threads (title, `explain`, latest, length) VALUES ('{$_POST['thread-name']}', '$explain', '" . date ('Y-m-d H:i:s') . "', 0)";
-    $mysqli -> query ($sql);
-/*  $sql = "CREATE TABLE `miteruzo_bbs`.`thread_$current` (
-            `id` INT( 11 ) NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'レス番',
-            `name` VARCHAR( 255 ) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT '名なしさん' COMMENT '名前',
-            `message` MEDIUMTEXT CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT 'レス',
-            `date` DATETIME NOT NULL COMMENT '投稿日時',
-            `image` VARCHAR( 31 ) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '画像 URL',
-            `held` TINYINT( 1 ) NOT NULL DEFAULT '0' COMMENT '保留',
-            `deleted` TINYINT( 1 ) NOT NULL DEFAULT '0' COMMENT '削除済',
-            `pass` VARCHAR( 64 ) CHARACTER SET utf8 COLLATE utf8_general_ci NULL COMMENT '削除用パスワード',
-            `good` INT( 11 ) NOT NULL DEFAULT '0' COMMENT '高評価数',
-            `bad` INT( 11 ) NOT NULL DEFAULT '0' COMMENT '低評価数',
-            INDEX ( `date` )
-            ) ENGINE = MYISAM CHARACTER SET utf8 COLLATE utf8_general_ci"; */
-    $mysqli -> query ($sql);
-
-    $mysqli -> close ();
-  }
-
-header ("location: ../?thread=$current");
-
diff --git a/modules/upload.php b/modules/upload.php
deleted file mode 100644
index 58a12ae..0000000
--- a/modules/upload.php
+++ /dev/null
@@ -1,108 +0,0 @@
-<?php
-require "${_SERVER['DOCUMENT_ROOT']}/database.php";
-
-
-define ('SAVE_DIR', "${_SERVER['DOCUMENT_ROOT']}/images/");  // 保存ディレクトリ定義
-
-$thread = $_GET['thread'];
-// file_put_contents ('log.txt', $thread);
-
-$json = getParamJSON ();  // JSON パラメタ
-
-// JSON に data メトッドがなぃ場合
-if (!(isset ($json['data']))):
-    sendResult (false, 'Empty query Parameter: data');
-    exit (1);
-endif;
-
-// 適切な画像形式が示されてゐなぃ場合
-if (!(preg_match ('/^data:image\/png;base64,/', $json['data']))):
-    sendResult (false, 'Not Allow data type: data');
-    exit (1);
-endif;
-
-// 画像ディタをデコゥド
-$data = $json['data'];
-$data = str_replace ('data:image/png;base64,', '', $data);
-$data = str_replace (' ', '+', $data);
-$image = base64_decode ($data);
-
-$file = sprintf ('%s.png', uniqid ());                  // ファイル名をタイマを基準に設定
-file_put_contents (SAVE_DIR . $file, $image, LOCK_EX);  // 画像をファイルに保存
-
-$mysqli = set_mysql ('miteruzo_bbs');  // ディタ・べィス指定
-
-$mysqli -> set_charset ('utf8');
-
-// スレのレス数を取得し，適切なレス番を設定する．
-if ($result = $mysqli -> query ("
-        SELECT
-          length
-        FROM
-          threads
-        WHERE
-          id = $thread")):
-    $row = $result -> fetch_assoc ();
-
-    $id = $row['length'] + 1;
-
-    $result -> close ();  // クヱリ結果を閉ぢる．
-endif;
-
-if ($_GET['held']):
-    mb_language ('Japanese');
-    mb_internal_encoding ('UTF-8');
-    mb_send_mail ('matuda.miteruzo@gmail.com', 'キケッツ掲示板の画像確認しろ!', '何か，保留中なうみ．', '謎');
-endif;
-
-// 投稿情報に従ひ，ディタ・ベィスを更新
-$sql = "INSERT INTO
-          responses (thread_id, response_id, name, pass, message, date, image, held,
-                     deleted)
-          VALUES
-            ($thread, $id, '" . (($_GET['name'] == '') ? '名なしさん' : $_GET['name']) . "',
-             " . (($_GET['pass'] == '') ? "NULL" : "'{$_GET['pass']}'") . ", '', '" . date ('Y-m-d H:i:s') . "', '$file', {$_GET['held']}, 0)";
-$mysqli -> query ($sql);
-$mysqli -> query ("
-        UPDATE
-          threads
-        SET
-          length = $id, latest = '" . date ('Y-m-d H:i:s') . "' WHERE id = $thread");
-
-$mysqli -> close ();  // ディタ・べィスを閉ぢる．
-
-unlink ('draft/' . $_COOKIE['backup']);
-setcookie ('backup', '', 0);
-
-
-/*
- * フェッチ内容から JSON パラメタを取得する．
- *
- * 戻り値は，取得した JSON パラメタ．
- */
-function
-getParamJSON ()
-{
-  $buff = file_get_contents ('php://input');
-  $json = json_decode ($buff, true);
-
-  return ($json);
-}
-
-
-/*
- * クヱリ送信者に，結果を返す．
- * $status：結果フラグ，$data：返信ディタ
- *
- * 戻り値は，なし．
- */
-function
-sendResult ($status, $data)
-{
-  header ('Access-Control-Allow-Origin: *');
-  header ('Access-Control-Allow-Headers: *');
-
-  echo json_encode(["status" => $status,
-                    "result" => $data]);
-}
-
