#map_area {
  height: initial;
  width: 100%;
  margin: 0;
  position: relative;
}
#map {
  height: initial;
  width: 100%;
}

#map img{
  width: 100%;
}

.sea_current_hanrei{
  margin:0;
  padding:0;
}
.sea_current_hanrei img{
  width:100%;
}
