.red { color: #ff0000 }

.fz20 { font-size: 20px }

.mb10 { margin-bottom: 10px }
.pb10 { padding-bottom: 10px }
.pb20 { padding-bottom: 20px }

.text_left { text-align: left }
.text_right { text-align: right }
#regist_date .red { font-size: 13px }

.error-message { color: #ff0000; font-size: 13px !important; }

div.message.error { border: 1px #ff0058 solid; color: #ff0000; text-align: left; padding: 10px; margin-bottom: 10px }

/* 点滅 */
.blinking {
    -webkit-animation:blink 0.5s ease-in-out infinite alternate;
    -moz-animation:blink 0.5s ease-in-out infinite alternate;
    animation:blink 0.5s ease-in-out infinite alternate;
}
@-webkit-keyframes blink {
    0% {opacity:0;}
    100% {opacity:1;}
}
@-moz-keyframes blink {
    0% {opacity:0;}
    100% {opacity:1;}
}
@keyframes blink {
    0% {opacity:0;}
    100% {opacity:1;}
}

@media (max-width: 640px) {
    #main_nav #user_info { padding: 5px 10px; }
}