diff --git a/views/404.php b/views/404.php
index e48804e..cc54582 100644
--- a/views/404.php
+++ b/views/404.php
@@ -1,4 +1,4 @@
 <?php include_once('includes/header.php') ?>
-      <?php echo $err; ?><br />
-      <a href="/">トップページに戻る</a>
+      <?= $err; ?><br />
+      <a href="/"><?= LOC_TOPPAGE_NI_MODORU; ?></a>
 <?php include_once('includes/footer.php'); ?>
diff --git a/views/includes/footer.php b/views/includes/footer.php
index 7a1bf16..affc46e 100644
--- a/views/includes/footer.php
+++ b/views/includes/footer.php
@@ -1,7 +1,7 @@
     </div>
     <p class="footer">
       <a href="https://gitler.moe/TechnicalSuwako/urlo.li"><img src="/static/git.png" alt="Git" /></a> |
-      <a href="https://076.moe"><?php echo LOC_076_AIB; ?></a>
+      <a href="https://076.moe"><?= LOC_076_AIB; ?></a>
     </p>
   </body>
 </html>
diff --git a/views/includes/header.php b/views/includes/header.php
index 26d6972..4c23b59 100644
--- a/views/includes/header.php
+++ b/views/includes/header.php
@@ -2,14 +2,14 @@
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ja">
   <head>
     <meta content="text/html; charset=utf-8" http-equiv="content-type" />
-    <meta name="title" content="<?php echo $lang == 'en' ? SITE_NAME_EN : SITE_NAME_JA ?>" />
-    <meta name="description" content="<?php echo $lang == 'en' ? SITE_DESC_EN : SITE_DESC_JA?>" />
+    <meta name="title" content="<?= $lang == 'en' ? SITE_NAME_EN : SITE_NAME_JA ?>" />
+    <meta name="description" content="<?= $lang == 'en' ? SITE_DESC_EN : SITE_DESC_JA?>" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
-    <title><?php echo $title; ?></title>
+    <title><?= $title; ?></title>
     <link rel="stylesheet" type="text/css" href="/static/style.css" />
   </head>
   <body>
     <h1>
-      <img class="headerimg" src="/static/logo.jpg" alt="<?php echo LOC_LOGO; ?>" />
+      <img class="headerimg" src="/static/logo.jpg" alt="<?= LOC_LOGO; ?>" />
     </h1>
     <div class="body">
diff --git a/views/index.php b/views/index.php
index d13fdfc..3888f5f 100644
--- a/views/index.php
+++ b/views/index.php
@@ -1,19 +1,19 @@
 <?php require_once('includes/header.php') ?>
       <p>
-        <a href="/"><?php echo LOC_TOP; ?></a>
+        <a href="/"><?= LOC_TOP; ?></a>
       </p>
       <form method="post" action="/">
         <div class="switchlang">
-          <input class="langchange" type="submit" name="langchange" value="<?php echo $lang == 'en' ? '日本語に更新' : 'Change to English'; ?>" />
+          <input class="langchange" type="submit" name="langchange" value="<?= $lang == 'en' ? '日本語に更新' : 'Change to English'; ?>" />
         </div>
       </form>
       <hr />
-      <?php echo LOC_URL_NYUURYOKU; ?>
+      <?= LOC_URL_NYUURYOKU; ?>
       <div class="form">
         <form action="/" method="post">
           <input type="text" name="newadd" value="" />
           <div class="submit">
-            <input type="submit" name="sosin" value="<?php echo LOC_SOSIN; ?>" />
+            <input type="submit" name="sosin" value="<?= LOC_SOSIN; ?>" />
           </div>
         </form>
       </div>
diff --git a/views/submitted.php b/views/submitted.php
index 71dc8e7..1e055bf 100644
--- a/views/submitted.php
+++ b/views/submitted.php
@@ -1,6 +1,6 @@
 <?php include_once('includes/header.php') ?>
-      <?php echo LOC_KAKI_URL_KARA_ACCESS_DEKIRU; ?><br />
-      <a href="<?php echo SITE_URL.'/'.$newurl; ?>"><?php echo SITE_URL.'/'.$newurl; ?></a>
+      <?= LOC_KAKI_URL_KARA_ACCESS_DEKIRU; ?><br />
+      <a href="<?= SITE_URL.'/'.$newurl; ?>"><?= SITE_URL.'/'.$newurl; ?></a>
       <br /><br />
-      <a href="/"><?php echo LOC_TOPPAGE_NI_MODORU; ?></a>
+      <a href="/"><?= LOC_TOPPAGE_NI_MODORU; ?></a>
 <?php include_once('includes/footer.php'); ?>
