.fv {
  background-color: #331F23;
}
.fv .main_imgBox {
  height: 600px;
  overflow: hidden;
  position: relative;
}
.fv .main_imgBox .main_img {
  z-index: 10;
  opacity: 0;
  width: 100%;
  height: 600px;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  position: absolute;
  left: 0;
  top: 0;
  -webkit-animation: anime 36s 0s infinite;
  animation: anime 36s 0s infinite;
}
.fv .main_imgBox .main_img:nth-of-type(2) {
  -webkit-animation-delay: 6s;
  animation-delay: 6s;
}
.fv .main_imgBox .main_img:nth-of-type(3) {
  -webkit-animation-delay: 12s;
  animation-delay: 12s;
}
.fv .main_imgBox .main_img:nth-of-type(4) {
  -webkit-animation-delay: 18s;
  animation-delay: 18s;
}
.fv .main_imgBox .main_img:nth-of-type(5) {
  -webkit-animation-delay: 24s;
  animation-delay: 24s;
}
.fv .main_imgBox .main_img:nth-of-type(6) {
  -webkit-animation-delay: 30s;
  animation-delay: 30s;
}
@-webkit-keyframes anime {
  0% {
    opacity: 0;
  }
  8% {
    opacity: 1;
  }
  17% {
    opacity: 1;
  }
  25% {
    opacity: 0;
    -webkit-transform: scale(1.2);
            transform: scale(1.2);
    z-index: 9;
  }
  100% {
    opacity: 0;
  }
}
@keyframes anime {
  0% {
    opacity: 0;
  }
  8% {
    opacity: 1;
  }
  17% {
    opacity: 1;
  }
  25% {
    opacity: 0;
    -webkit-transform: scale(1.2);
            transform: scale(1.2);
    z-index: 9;
  }
  100% {
    opacity: 0;
  }
}
.fv h1 {
  position: absolute;
  top: 40%;
  left: 0;
  right: 0;
  margin: 0 auto;
  letter-spacing: 0.1em;
  font-size: 2em;
  color: #F2F2F2;
  z-index: 25;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.fv:after {
  content: "";
  background-color: rgba(60, 60, 60, 0);
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}
.fv ul {
  background-color: #331F23;
  height: 50vh;
}
.fv .fv_inner {
  text-align: center;
}
.fv .fv_inner ul {
  background: unset;
}
.fv .fv_inner .nav {
  top: 40px;
}
.fv .fv_inner .nav .nav_left img {
  width: 100%;
  max-width: 200px;
}
.fv .hamburger {
  display: block;
  position: fixed;
  z-index: 42;
  right: 8%;
  top: 6%;
  width: 42px;
  height: 42px;
  cursor: pointer;
  text-align: center;
}

@media screen and (max-width: 414px) {
  .fv {
    padding-top: 60px;
  }
  .fv .main_imgBox {
    height: 200px;
  }
  .fv .main_imgBox .main_img {
    height: 200px;
  }
  .fv .fv_inner .nav {
    top: 5%;
    text-align: left;
  }
  .fv .fv_inner .nav .nav_left {
    max-width: 120px;
    margin-left: 20px;
  }
  .fv h1 {
    font-size: 1em;
    top: 60%;
  }
}