#header .header-wrap {
  width: 100%;
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
  padding: 20px 3%;
}
@media (max-width: 768px) and (min-width: 481px){
  #header .header-wrap {
    padding: 16px 5%;
  }
}
@media (max-width: 480px) {
  #header .header-wrap {
    padding: 12px 5%;
  }
}
.header-flex {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
#header .header-logo {
  width: 200px;
  transition: all ease .3s;
}
@media (max-width: 768px) and (min-width: 481px){
  #header .header-logo {
    width: 160px;
  }
}
@media (max-width: 480px) {
  #header .header-logo {
    width: 120px;
  }
}
#header .nav-button {
  display: block;
  margin-left: auto;
}

.dineuron-menu {
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.nav-open .dineuron-menu {
  opacity: 1;
  visibility: visible;
  background: rgba(0, 0, 0, 0.92);

}

.dineuron-menu .nav li a {
  color: #FFF;
  font-size: 5vh;
  font-weight: 600;
  transition: all ease .3s;
}
@media (max-width: 1000px) and (min-width: 481px) {
  .dineuron-menu .nav li a {
    font-size: 4vh;
  }
}
@media (max-width: 769px) and (min-width: 481px) {
  .dineuron-menu .nav li a {
    font-size: 3.5x1xvh;
  }
}
@media (max-width: 480px) {
  .dineuron-menu .nav li a {
    font-size: 7vw;
  }
}
.dineuron-menu .nav li a:hover {
  color: #df244f;
}

.dineuron-menu .nav li {
  opacity: 0;
  transform: translateY(-40px);
  animation-timing-function: cubic-bezier(.45, .005, 0, 1);
}

.nav-open .dineuron-menu .nav li {
  opacity: 1;
  transform: translateY(0);
  transition: transform .2s, opacity .2s;
}

.dineuron-menu .nav li.delay-1 { transition-delay: 0.1s; }
.dineuron-menu .nav li.delay-2 { transition-delay: 0.2s; }
.dineuron-menu .nav li.delay-3 { transition-delay: 0.3s; }
.dineuron-menu .nav li.delay-4 { transition-delay: 0.4s; }
.dineuron-menu .nav li.delay-5 { transition-delay: 0.5s; }
.dineuron-menu .nav li.delay-6 { transition-delay: 0.6s; }
.dineuron-menu .nav li.delay-7 { transition-delay: 0.7s; }
.dineuron-menu .nav li.delay-8 { transition-delay: 0.8s; }
.dineuron-menu .nav li.delay-9 { transition-delay: 0.9s; }

.nav-button {
  position: relative;
  z-index: 1111;
  border: solid 1px #f8f8f8;
  height: 42px;
  width: 50px;
  padding: 12px;
  transition: all ease .3s;
}
.nav-button #nav-icon3 {
  width: 24px;
  height: 22px;
  display: inline-block;
  position: relative;
  transform: rotate(0deg);
  transition: all ease .3s;
  cursor: pointer;
}
.nav-button #nav-icon3 span {
  display: block;
  position: absolute;
  height: 3px;
  width: 100%;
  background: #FFF;
  border-radius: 9px;
  opacity: 1;
  left: 0;
  transition: all ease .3s;
}
@media (max-width: 768px) and (min-width: 481px){
  .nav-button {
    height: 38px;
    width: 46px;
    padding: 10px 12px;
  }
  .nav-button #nav-icon3 {
    width: 20px;
    height: 18px;
  }
}
@media (max-width: 480px) {
  #header .nav-button {
    height: 34px;
    width: 40px;
    padding: 8px 10px;
  }
  .nav-button #nav-icon3 {
    width: 18px;
    height: 18px;
  }
}

.nav-button:hover {
  cursor: pointer;
  border: solid 1px #df244f;
}  
.nav-button:hover #nav-icon3 span {
  background: #df244f;
}



.nav-button #nav-icon3 span:nth-child(1) { top: 0; }
.nav-button #nav-icon3 span:nth-child(2), #nav-icon3 span:nth-child(3) { top: 7px; }
.nav-button #nav-icon3 span:nth-child(4) { top: 14px; }

.nav-open #nav-icon3 span:nth-child(1) {
  top: 9px;
  width: 0;
  left: 50%;
}

.nav-open #nav-icon3 span:nth-child(2) {
  transform: rotate(45deg);
}

.nav-open #nav-icon3 span:nth-child(3) {
  transform: rotate(-45deg);
}

.nav-open #nav-icon3 span:nth-child(4) {
  top: 9px;
  width: 0;
  left: 50%;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}