RewriteEngine on
RewriteCond %{HTTP_USER_AGENT} ^(DoCoMo|KDDI|DDIPOKET|UP\.Browser|J-PHONE|Vodafone|SoftBank)
RewriteRule (.*) /s/$1
RewriteCond %{HTTP_USER_AGENT} (iPhone|iPod|iPad|Android|BlackBerry)
RewriteRule ^(.*)$ /i/$1 [R=302,L]
htaccess振分け（スマートフォン用）
