/* quick ======= */
@-webkit-keyframes fadeInUp {
  0% {
    opacity: 0;
    -webkit-transform: translateY(30px);
            transform: translateY(30px);
  }
  100% {
    opacity: 1;
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
}
@keyframes fadeInUp {
  0% {
    opacity: 0;
    -webkit-transform: translateY(30px);
            transform: translateY(30px);
  }
  100% {
    opacity: 1;
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
}
.nav-bar {
  position: fixed;
  right: 20px;
  bottom: 120px;
  z-index: 1000;
  width: 95px;
  height: 95px;
  border-radius: 50px;
  background: -webkit-gradient(linear, left top, left bottom, from(#242b30), to(#3e4850));
  background: linear-gradient(180deg, #242b30 0%, #3e4850 100%);
  -webkit-box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
          box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  -webkit-transition: all 1.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transition: all 1.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  -webkit-animation: fadeInUp 1.8s ease-out 0.8s forwards;
          animation: fadeInUp 1.8s ease-out 0.8s forwards;
}
.nav-bar::before {
  content: "";
  display: block;
  width: 50px;
  height: 50px;
  margin: 20px auto 2px;
  background: url("../img/logo.png") no-repeat center/contain;
  -webkit-animation: fadeInUp 2s ease-out 0.8s forwards;
          animation: fadeInUp 2s ease-out 0.8s forwards;
}
.nav-bar::after {
  content: "QUICK";
  display: block;
  text-align: center;
  font-size: 17px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.5px;
  -webkit-animation: fadeInUp 0.6s ease-out 0.3s forwards;
          animation: fadeInUp 0.6s ease-out 0.3s forwards;
}
.nav-bar .sns-link {
  list-style: none;
  padding: 13px 0;
  margin: 0;
  opacity: 0;
  display: none;
  visibility: hidden;
  -webkit-transform: translateY(9px);
          transform: translateY(9px);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 12px;
}
.nav-bar .sns-link li {
  opacity: 0;
  -webkit-animation: fadeInUp 1s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
          animation: fadeInUp 1s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
.nav-bar .sns-link li:nth-child(1) {
  -webkit-animation-delay: 0.3s;
          animation-delay: 0.3s;
}
.nav-bar .sns-link li:nth-child(2) {
  -webkit-animation-delay: 0.4s;
          animation-delay: 0.4s;
}
.nav-bar .sns-link li:nth-child(3) {
  -webkit-animation-delay: 0.5s;
          animation-delay: 0.5s;
}
.nav-bar .sns-link li:nth-child(4) {
  -webkit-animation-delay: 0.6s;
          animation-delay: 0.6s;
}
.nav-bar .sns-link li:nth-child(5) {
  -webkit-animation-delay: 0.7s;
          animation-delay: 0.7s;
}
.nav-bar .sns-link li a {
  display: block;
  -webkit-transition: -webkit-transform 0.5s;
  transition: -webkit-transform 0.5s;
  transition: transform 0.5s;
  transition: transform 0.5s, -webkit-transform 0.5s;
}
.nav-bar .sns-link li a img {
  width: 60px;
  height: 60px;
  -webkit-filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
          filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}
.nav-bar .sns-link li a:hover {
  -webkit-transform: translateY(-5px) scale(1.1);
          transform: translateY(-5px) scale(1.1);
}
.nav-bar:hover, .nav-bar.is-active {
  height: auto;
  max-height: 480px;
  border-radius: 30px;
  padding-bottom: 15px;
  display: block;
}
.nav-bar:hover .sns-link, .nav-bar.is-active .sns-link {
  opacity: 1;
  visibility: visible;
  -webkit-transform: translateY(0);
          transform: translateY(0);
}

@media screen and (max-width: 768px) {
  .nav-bar {
    right: 15px;
    bottom: 120px;
    width: 55px;
    height: 55px;
    -webkit-animation: fadeInUp 1s ease-out 0.8s forwards;
            animation: fadeInUp 1s ease-out 0.8s forwards;
  }
  .nav-bar::before {
    width: 30px;
    height: 30px;
    margin-top: 12px;
    -webkit-animation: fadeInUp 1s ease-out 0.8s forwards;
            animation: fadeInUp 1s ease-out 0.8s forwards;
  }
  .nav-bar::after {
    content: "Q";
    font-size: 30px;
  }
  .nav-bar:hover, .nav-bar.is-active {
    padding-bottom: 10px;
  }
  .nav-bar .sns-link {
    gap: 10px;
  }
  .nav-bar .sns-link li a img {
    width: 40px;
    height: 40px;
  }
}