use home_url('/') instead of bloginfo('url').

functions.php

@@ -117,14 +117,14 @@ add_action('widgets_init', 'cbsonline_widgets_init');
 
 // tweak bogo plugin
 // - disable flags
-add_filter('bogo_use_flags', 'bogo_use_flags_false');
-function bogo_use_flags_false()
+add_filter('bogo_use_flags', 'cbsonline_bogo_use_flags_false');
+function cbsonline_bogo_use_flags_false()
 {
     return false;
 }
 // - remove ' (United States)' strings from en_US language
-add_filter('bogo_language_switcher', 'replace_bogo_text');
-function replace_bogo_text($output)
+add_filter('bogo_language_switcher', 'cbsonline_replace_bogo_text');
+function cbsonline_replace_bogo_text($output)
 {
     return str_replace(' (United States)', '', $output);
 }

header.php

@@ -51,7 +51,7 @@ biz_vektor_get_theme_options(); ?>
 <?php endif; ?>
 
 </div>
-<form role="search" method="get" id="searchform" class="searchform" action="<?php bloginfo('url'); ?>">
+<form role="search" method="get" id="searchform" class="searchform" action="<?php echo esc_url(home_url('/')); ?>">
 				<div>
 					<input type="submit" id="searchsubmit" value="Search" />
                     <label class="screen-reader-text" for="s">検索:</label>

module_top_list_post.php

@@ -48,10 +48,10 @@ if ($postTopUrl) {
 <?php $locale = get_locale();
 if ('en_US' == $locale  ) { ?>
 <!--英語表示の時-->
-<p class="entryListTopList"><a href="<?php bloginfo('url'); ?>/announcements/">→View ALL</a></p>
+<p class="entryListTopList"><a href="<?php echo esc_url(home_url('/')); ?>announcements/">→View ALL</a></p>
 <?php } else { ?>
 <!--日本語表示の時 -->
-<p class="entryListTopList"><a href="<?php bloginfo('url'); ?>/announcements/">→お知らせ一覧</a></p>
+<p class="entryListTopList"><a href="<?php echo esc_url(home_url('/')); ?>announcements/">→お知らせ一覧</a></p>
 <?php } ?>
 
 	</div><!-- [ /#topBlog ] -->

search.php

@@ -6,7 +6,7 @@
 <div id="content" class="content wide">
 
 	<div class="error404">
-		<form role="search" method="get" id="searchform" class="searchform" action="<?php bloginfo('url'); ?>">
+		<form role="search" method="get" id="searchform" class="searchform" action="<?php echo esc_url(home_url('/')); ?>">
 				<div>
 					<input type="submit" id="searchsubmit" value="Search" />
 					<label class="screen-reader-text" for="s">検索:</label>