#about-contrain{ width:720px; }
#about-header-th{ background-color:#1dbfd6; height:27px; border-bottom:solid #0ca3b8 1px; background-image:url(../images/about-header-th.gif); background-repeat:no-repeat; padding:0 0 0 0; margin:0;}
#about-header-th span{ display:none;}
#about-header-en{ background-color:#1dbfd6; height:27px; border-bottom:solid #0ca3b8 1px; background-image:url(../images/about-header.gif); background-repeat:no-repeat; padding:0 0 0 0; margin:0;}
#about-header-en span{ display:none;}
.about-tst{ display:block; color:#FFFFFF; padding-left:20px; padding-right:20px; margin-bottom:15px; margin-top:5px;}
.about-tst-en{ display:block; color:#FFFFFF; padding-left:20px; padding-right:20px; margin-bottom:15px; margin-top:5px; font-size:11px;}

#headsub-en{ display:block; width:141px; height:66px; background-image:url(../images/about-ideo.gif); margin:0 0 0 3px; padding:0;}
#headsub-en span{ visibility:hidden;}

#headsub-th{ display:block; width:141px; height:66px; background-image:url(../images/about-ideo-th.gif); margin:0; padding:0; margin:0 0 0 3px;}
#headsub-th span{ visibility:hidden;}