@media screen and (max-width: 600px) {
    .subtitle {
        font-size: 18px !important;       
    }
}

/*ヒーローイメージスライド化*/
.main_imgBox {
  height: 680px;
  overflow: hidden;
  position: relative; 
}
.main_img {
    z-index:10;
    opacity: 0;
    width: 100%;
    height: 680px;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    position: absolute;
    left: 0;
    top: 0;
    -webkit-animation: anime 24s 0s infinite;
    animation: anime 24s 0s infinite; 
}

.main_img:nth-of-type(2) {
    -webkit-animation-delay: 6s;
    animation-delay: 6s; 
}

.main_img:nth-of-type(3) {
    -webkit-animation-delay: 12s;
    animation-delay: 12s; 
}

.main_img:nth-of-type(4) {
    -webkit-animation-delay: 18s;
    animation-delay: 18s; 
}

@keyframes anime {
    0% {
          opacity: 0;
      }
      12% {
          opacity: 1;
      }
      25% {
          opacity: 1;
      }
      37% {
          opacity: 0;
          /*transform: scale(1.2) ;*/
           z-index:9;
      }
      100% { opacity: 0 }
  }