.calendar_btn {
    width: 100%;
    margin: 10px 0 0 0;
    padding: 5px 0 5px 0;
    font-size: 16px;
    line-height: 1.5;
    display: inline-block;
    text-decoration: none;
    color: #fff;
    text-align: center;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
    font-weight: bold;
    background: linear-gradient(to bottom, #f9a21b, #db8c14);
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.25);
    word-break: break-word;
}

@media screen and (max-width: 761px) {
    .calendar_btn {
        font-size: 12px;
    }
}

#calendar {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.pcnone {
    display: block;
}

@media screen and (min-width:769px) {
    .pcnone {
        display: none;
    }
}

.zanseki{
    display: block;
    color: #ffffff;
    animation: flash 1s linear infinite;
}
@keyframes flash {
  0%,100% {
    opacity: 1;
  }

  33% {
    opacity: 0;
  }

  66%{
    opacity: 1;
  }
}