Keyword: %E9%87%91%E9%AB%AA%E7%BE%8E%E5%A5%B3%E9%9B%86%E5%90%88%E7%B7%8F%E3%83%90%E3%82%B9%E3%83%88%E3%82%B5%E3%82%A4%E3%82%BA600cm%E8%B6%85%E3%82%82%E3%82%8C%E3%81%AA%E3%81%8F%E5%85%A8%E5%93%A1%E5%B7%A8%E4%B9%B3, %e9%87%91%e9%ab%aa%e7%be%8e%e5%a5%b3%e9%9b%86%e5%90%88%e7%b7%8f%e3%83%90%e3%82%b9%e3%83%88%e3%82%b5%e3%82%a4%e3%82%ba600cm%e8%b6%85%e3%82%82%e3%82%8c%e3%81%aa%e3%81%8f%e5%85%a8%e5%93%a1%e5%b7%a8%e4%b9%b3