/*------------------------------------
mainvisual
------------------------------------*/

.main-img {
  position: static;
}

.main-img img {
  margin-top: -0.5%;
}

/*------------------------------------
mv-menu-area
------------------------------------*/

.mv-menu-block {
  width: 1000px;
  margin: -5px auto;
  display: flex;
  justify-content: space-between;
}

.mv-menu {
  background-color: #018879;
  width: 24.8%;
  box-sizing: border-box;
  color: #fff;
  text-decoration: none;
  font-size: 24px;
  padding: 20px 0;
  font-weight: bold;
  text-align: center;
  border-left: solid 1px #fff;
}

.mv-menu-small {
  background-color: #018879;
  width: 24.8%;
  box-sizing: border-box;
  color: #fff;
  text-decoration: none;
  font-size: 18px;
  padding: 23.5px 0;
  font-weight: bold;
  text-align: center;
  border-left: solid 1px #fff;
}

/*------------------------------------
時間割変更のお知らせ
------------------------------------*/

.timetable-change-box {
  border: solid 2px #018879;
  padding: 10px 0 20px;
  width: 80%;
  margin: 30px auto;
}

.timetable-change-head {
  font-weight: bold;
  text-align: center;
  font-size: 20px;
  border-bottom: solid 1px;
  width: 40%;
  margin: 10px auto;
}

.timetable-change-txt {
  font-size: 20px;
  text-align: center;
}

.timetable-change-link {
  color: #0013ff;
}


.extra-txt {
  animation: zoomIn 3s cubic-bezier(0.25, 1, 0.5, 1) forwards infinite;
  font-weight: bold;
  display: block;
  width: fit-content;
  font-size: 30px;
  margin: 10px auto;
}

.extra-txt span{
color: red; font-size: 1.5em;
}
 
@keyframes zoomIn {
  0% {
    transform: scale(1);
  }
  10%{
    transform: scale(1.1);
  }
  20%{
    transform: scale(1);
  }
  30% {
    transform: scale(1.1);
  }
}

.banner{
  text-align: center;
  margin: 0 auto;
  margin-top: 20px;
  display: block;
}