/* Main CSS */

/* Common */
body.on {
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
}
.btn-square {
  display: inline-block;
  padding: 12px 30px;
  border: 2px solid var(--color-point);
  border-radius: 5px;
  color: var(--color-point);
  transition: all .3s ease-in-out;
}
.btn-square--white {
  border-color: var(--color-white);
  color: var(--color-white);
}
.btn-square:hover {
  border-color: transparent;
  background: var(--color-point);
  color: var(--color-deep-dark);
  font-weight: 500;
  transform: translateY(-5px);
}
.btn-circle {
  overflow: hidden;
  display: inline-block;
  position: absolute;
  width: 60px;
  height: 60px;
  line-height: 60px;
  background-repeat: no-repeat;
  background-position: 50% 50%;
  border: 2px solid var(--color-point);
  border-radius: 50%;
  text-align: center;
  text-indent: -9999px;
  transition: all .3s ease-in-out;
}
.btn-circle--prev {
  left: -90px;
  top: calc(50% - 15px);
  background-image: url(../images/icon_arr_prev.png);
}
.btn-circle--next {
  right: -90px;
  top: calc(50% - 15px);
  background-image: url(../images/icon_arr_next.png);
}
.btn-circle--top {
  background-image: url(../images/icon_arr_up.png);
  cursor: pointer;
}
.btn-circle:hover {
  background-color: var(--color-point);
}
.btn-circle--prev:hover {
  background-image: url(../images/icon_arr_prev_on.png);
}
.btn-circle--next:hover {
  background-image: url(../images/icon_arr_next_on.png);
}
.btn-circle--top:hover {
  background-image: url(../images/icon_arr_up_on.png);
}

/* Hamberger Menu */
.btn-menu {
  vertical-align: middle;
  position: relative;
  width: 30px;
  height: 20px;
  cursor: pointer;
  transition: all .3s ease-in-out;
}
.btn-menu span {
  overflow: hidden;
  display: inline-block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-point);
  transition: all .3s ease-in-out;
  text-indent: -9999px;
}
.btn-menu span:first-of-type {
  top: 0; 
}
.btn-menu span:nth-of-type(2) {
  top: 10px; 
}
.btn-menu span:last-of-type {
  top: 20px;
  left: 50%;
  width: 50%;
}
.btn-menu.on {
  z-index: 11;
}
.btn-menu.on span:first-of-type {
  transform: translateY(10px) rotate(-45deg);
}
.btn-menu.on span:nth-of-type(2) {
  opacity: 0;
}
.btn-menu.on span:last-of-type {
  left: 0;
  width: 100%;
  transform: translateY(-10px) rotate(45deg);
}

/* Header Section */
.header {
  z-index: 12;
  position: sticky;
  top: 0;
  width: 100%;
  transition: transform .2s, background-color .2s;
}
.header .inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  height: 100%;
  margin: 0 auto;
}
.header.scroll-down {
  transform: translate3d(0, -100%, 0);
}
.header.scroll-up {
  background-color: var(--color-dark);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
  transform: translate3d(0, 0, 0);
}

/* Gnb Section */
.gnb a {
  position: relative;
  color: var(--color-white);
  font-weight: 500;
  transition: color .3s ease-in-out;
}
.gnb a:hover,
.gnb a.active {
  color: var(--color-point);
}
.gnb a::after {
  opacity: 0;
  display: block;
  position: absolute;
  left: 50%;
  bottom: -5px; 
  width: 0;
  height: 2px;
  background-color: var(--color-point);
  content: '';
  transform: translateX(-50%);
  transition: opacity .3s ease-in-out, width .3s ease-in-out;
}
.gnb a:hover::after,
.gnb a.active::after {
  opacity: 1;
  width: 100%;
}

/* Welcome Section */
.welcome .tit-huge {
  position: absolute;
  transform: rotate(-90deg);
  transform-origin: left bottom;
}
.welcome__tit {
  color: var(--color-point);
  font-weight: 700;
  font-family: 'Open Sans', sans-serif;
}
.welcome__typing {
  color: var(--color-point);
  font-weight: 700;
}
.welcome__text {
  opacity: .8;
  word-break: break-all;
}

/* About Section */
.about,
.about .tit-huge {
  position: relative;
}
.about__wrap h4 {
  color: var(--color-point);
}
.about__cont h3 {
  color: var(--color-white);
  font-weight: 700;
}
.about__cont strong {
  display: inline-block;
  font-weight: 500;
}
.about__text {
  opacity: .8;
  line-height: 1.6;
  text-align: justify;
  font-family: 'Pretendard', sans-serif;
}
.about__history {
  display: flex;
  justify-content: space-between;
  margin: 15px 0;
}
.about__history p {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid rgba(249, 255, 253, 0.5);
}
.about__history span {
  opacity: .8;
  font-family: 'Pretendard', sans-serif;
}
.about__license p {
  margin: 6px 0 30px;
  padding-top: 8px;
  border-top: 1px solid rgba(249, 255, 253, 0.5);
  font-family: 'Pretendard', sans-serif;
}
.about__more {
  display: flex;
  align-items: center;
}
.about__sns {
  display: flex;
  align-items: center;
  gap: 15px;
}
.about__sns a {
  overflow: hidden;
  display: inline-block;
  vertical-align: middle;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  text-indent: -9999px;
  transition: all .3s ease-in-out;
}
.about__sns li:first-of-type a {
  background: url(../images/icon_sns.png) no-repeat 0 0;
}
.about__sns li:nth-of-type(2) a {
  background: url(../images/icon_sns.png) no-repeat -65px 0;
}
.about__sns li:last-of-type a {
  background: url(../images/icon_sns.png) no-repeat -130px 0;
}
.about__sns li a:hover {
  background-position-y: -65px;
}

/* Skills Section */
.skills__lang li::before,
.skills__list li::before {
  z-index: 0;
  opacity: .5;
  display: block;
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-white);
  content: '';
  transition: all .3s ease-in-out;
}
.skills__box dt {
  opacity: .5;
  margin-bottom: 15px;
  padding-top: 90px;
  filter: grayscale(100%);
  font-size: var(--font-medium);
  font-weight: 500;
  text-align: center;
  transition: all .3s ease-in-out;
}
.skills__box dd {
  opacity: .5;
  line-height: 1.6;
  text-align: justify;
  font-family: 'Pretendard', sans-serif;
}
.skills__lang li dt {
  background-repeat: no-repeat;
  background-position: 50% 0;
}
.skills__lang li:first-of-type dt {
  background-image: url(../images/icon_html5.png);
}
.skills__lang li:nth-of-type(2) dt {
  background-image: url(../images/icon_css3.png);
}
.skills__lang li:nth-of-type(3) dt {
  background-image: url(../images/icon_js.png);
}
.skills__lang li:nth-of-type(4) dt {
  background-image: url(../images/icon_sass.png);
}
.skills__lang li:nth-of-type(5) dt {
  background-image: url(../images/icon_react.png);
}
.skills__lang li:last-of-type dt {
  background-image: url(../images/icon_jquery.png);
}

/* Skills lang Hover Effect */
.skills__lang li:hover {
  background-color: var(--color-dark);
  box-shadow: 0 10px 10px rgba(0, 0, 0, 0.25);
  transform: translateY(-10px);
}
.skills__lang li:hover::before {
  opacity: 1;
  height: 10px;
  background-color: var(--color-point);
  box-shadow: inset 0 5px 5px rgba(0, 0, 0, 0.25);
  transform: translateY(10px);
}
.skills__lang li:hover dt,
.skills__list li:hover .skills__cont p {
  opacity: 1;
  filter: grayscale(0);
}

/* Skills Tools */
.skills__container {
  position: relative;
}
.skills__tools {
  overflow: hidden;
}
.skills__tools h3 {
  color: var(--color-point);
  font-size: var(--font-medium);
  font-weight: 500;
}
.skills__list {
  margin-top: .625rem;
}
.skills__list li {
  position: relative;
  height: 145px;
  text-align: center;
  transition: all .3s ease-in-out;
}

/* Skills list Hover Effect */
.skills__list li:hover {
  background-color: var(--color-dark);
  box-shadow: 0 5px 5px rgba(0, 0, 0, 0.25);
  transform: translateY(-5px);
}
.skills__list li:hover::before {
  opacity: 1;
  height: 5px;
  background-color: var(--color-point);
  box-shadow: inset 0 3px 3px rgba(0, 0, 0, 0.25);
  transform: translateY(5px);
}
.skills__list li p {
  background-repeat: no-repeat;
  background-position: 50% 0;
}
.skills__list li:first-of-type p {
  background-image: url(../images/icon_git.png);
}
.skills__list li:nth-of-type(2) p {
  background-image: url(../images/icon_ps.png);
}
.skills__list li:nth-of-type(3) p {
  background-image: url(../images/icon_ai.png);
}
.skills__list li:nth-of-type(4) p {
  background-image: url(../images/icon_xd.png);
}
.skills__list li:nth-of-type(5) p {
  background-image: url(../images/icon_figma.png);
}
.skills__list li:nth-of-type(6) p {
  background-image: url(../images/icon_vscode.png);
}
.skills__list li:nth-of-type(7) p {
  background-image: url(../images/icon_slack.png);
}
.skills__list li:last-of-type p {
  background-image: url(../images/icon_fz.png);
}

/* Portfolio Section */
.portfolio__container {
  position: relative;
}
.portfolio__swiper {
  overflow: hidden;
}
.portfolio__box {
  background-color: var(--color-dark);
}
.portfolio__desc h3 {
  border-bottom: 1px solid rgba(249, 255, 253, 0.5);
  color: var(--color-point);
  font-weight: 500;
}
.portfolio__desc__tit {
  color: var(--color-white);
}
.portfolio__txt p {
  color: rgba(249, 255, 253, 0.7);
  line-height: 1.8;
}
.portfolio__txt span {
  display: inline-block;
}
.portfolio__img {
  position: relative;
}
.portfolio__img figure {
  overflow: hidden;
  background-color: var(--color-deep-dark);
}
.portfolio__img figure img {
  opacity: .7;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease-in-out;
}
.portfolio__link {
  z-index: 3;
  overflow: hidden;
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  text-indent: -9999px;
}
.portfolio__details {
  overflow: hidden;
  display: block;
  position: absolute;
  left: 0;
  top: 0;
}
.portfolio__details::after {
  opacity: 0;
  display: block;
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 85%;
  background: linear-gradient(180deg, transparent, var(--color-point));
  content: '';
  transition: opacity .65s cubic-bezier(.05, .2, .1, 1);
}
.portfolio__details p {
  opacity: 0;
  z-index: 1;
  position: relative;
  color: var(--color-white);
  font-size: var(--font-medium);
  transform: translateY(30px);
  transition: all .3s cubic-bezier(.05, .2, .1, 1) .2s;
}
.portfolio__details .btn-square {
  opacity: 0;
  z-index: 1;
  position: relative;
  transform: translateY(30px);
  transition: all .3s cubic-bezier(.05, .2, .1, 1) .2s;
}
.portfolio__details .btn-square:hover {
  border-color: var(--color-white);
  background: transparent;
  color: var(--color-white);
  font-weight: 400;
  transform: none;
}
.portfolio__pagination {
  color: var(--color-point);
  font-size: var(--font-medium);
  font-weight: 500;
  text-align: center;
}

/* Portfolio Hover Effect */
.portfolio__img:hover img {
  transform: scale(1.1);
}
.portfolio__img:hover .portfolio__details::after {
  opacity: 1;
}
.portfolio__img:hover .portfolio__details p {
  opacity: 1;
  transform: translateY(0);
}
.portfolio__img:hover .portfolio__details .btn-square {
  opacity: .7;
  transform: translateY(0);
}

/* Practical Section */
.tab__container {
  position: relative;
}
.tab__list {
  position: absolute;
  left: 0;
  top: 0;
}
.tab__menu {
  z-index: 10;
  display: block;
  position: absolute;
  top: 0;
  color: var(--color-white);
  font-size: var(--font-medium);
  font-weight: 500;
  transition: all .3s ease-in-out;
}
.tab__menu::after {
  opacity: 0;
  display: block;
  position: absolute;
  left: 50%;
  bottom: -5px;
  width: 0;
  height: 2px;
  background-color: var(--color-point);
  content: '';
  transform: translateX(-50%);
  transition: all .3s ease-in-out;
}
.tab__menu:hover,
.tab__menu.active {
  color: var(--color-point);
}
.tab__menu:hover::after,
.tab__menu.active::after {
  opacity: 1;
  width: 100%;
}
.tab__wrap {
  display: none;
}
.tab__wrap.target {
  display: block;
}
.tab__content figure {
  overflow: hidden;
  width: 100%;
  height: 100%;
}
.tab__content figure img {
  opacity: .7;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease-in-out;
}
.item__details {
  overflow: hidden;
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  padding: 150px 30px 30px 30px;
  color: var(--color-white);
}
.item__details::after {
  opacity: 0;
  display: block;
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 95%;
  background: linear-gradient(180deg, transparent, var(--color-point));
  content: '';
  transition: opacity .65s cubic-bezier(.05, .2, .1, 1);
}
.item__details h4 {
  opacity: 0;
  z-index: 1;
  position: relative;
  color: var(--color-white);
  font-size: var(--font-medium);
  font-weight: 500;
  transform: translateY(30px);
  transition: all .3s cubic-bezier(.05, .2, .1, 1) .2s;
}
.item__details p {
  opacity: 0;
  z-index: 1;
  position: relative;
  margin-bottom: 10px;
  color: var(--color-white);
  transform: translateY(30px);
  transition: all .3s cubic-bezier(.05, .2, .1, 1) .2s;
}
.item__details .btn-square {
  opacity: 0;
  z-index: 1;
  position: relative;
  transform: translateY(30px);
  transition: all .3s cubic-bezier(.05, .2, .1, 1) .2s;
}

/* Items Hover Effect */
.item:hover img {
  transform: scale(1.1);
}
.item:hover .item__details::after {
  opacity: 1;
}
.item:hover .item__details h4 {
  opacity: 1;
  transform: translateY(0);
}
.item:hover .item__details p {
  opacity: 1;
  transform: translateY(0);
}
.item:hover .item__details .btn-square {
  opacity: .7;
  transform: translateY(0);
}

/* Records Section */
.records__list {
  display: flex;
  justify-content: space-between;
}
.records__list > li {
  opacity: .5;
  position: relative;
  transition: all .3s ease-in-out;
}
.records__list li::before {
  z-index: 0;
  opacity: .5;
  display: block;
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-white);
  content: '';
  transition: all .3s ease-in-out;
}
.records__list li:hover {
  opacity: 1;
  background-color: var(--color-dark);
  box-shadow: 0 10px 10px rgba(0, 0, 0, 0.25);
  transform: translateY(-10px);
}
.records__list li:hover::before {
  opacity: 1;
  height: 10px;
  background-color: var(--color-point);
  box-shadow: inset 0 5px 5px rgba(0, 0, 0, 0.25);
  transform: translateY(10px);
}
.records__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.records__info {
  padding: 10px 15px 15px 15px;
  color: var(--color-white);
}
.records__info em {
  opacity: .5;
  font-size: var(--font-micro);
}
.records__info strong {
  display: block;
  margin-bottom: 5px;
  color: var(--color-point);
  font-weight: 700;
  font-family: 'Pretendard', sans-serif;
}
.records__info p {
  opacity: .8;
  width: 255px;
  line-height: 1.6;
  font-family: 'Pretendard', sans-serif;
  overflow: hidden;
  white-space: normal;
  text-overflow: ellipsis;
  word-break: keep-word;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

/* Epilogue Section */
.epilogue__content h3 {
  line-height: 1.3;
  font-weight: 700;
}
.epilogue__txt {
  opacity: .8;
  line-height: 1.7;
  text-align: justify;
  font-family: 'Pretendard', sans-serif;
}
.epilogue__foot a {
  opacity: .5;
  color: var(--color-white);
  transition: opacity .3s ease-in-out;
}
.epilogue__foot a:hover {
  opacity: 1;
}
.epilogue__foot span {
  opacity: .5;
  float: right;
  display: inline-block;
}
.btn-top {
  z-index: 10;
  display: none;
  position: fixed;
}

/* Mobile */
@media screen and (max-width: 47.938rem) {
  /* Common */
  body {
    min-width: 320px;
    font-size: var(--font-small);
  }
  img {
    display: block;
    width: 100%;
  }
  .dim.on {
    overflow: hidden;
    z-index: 10;
    position: absolute;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.8);
  }

  /* Header */
  .header {
    height: 50px;
    padding: 0 20px;
  }
  .logo a {
    display: block;
  }
  .logo img {
    height: 30px;
    image-rendering: -webkit-optimize-contrast;
  }
  .gnb {
    opacity: 0;
    z-index: 11;
    position: fixed;
    left: 0;
    top: 0;
    width: 48%;
    height: 100vh;
    padding: 15px;
    background-color: var(--color-dark);
    transform: translateX(-100%);
    transition: all .3s cubic-bezier(.05, .2, .1, 1);
  }
  .gnb.active {
    opacity: 1;
    transform: translateX(0);
  }
  .gnb a {
    opacity: 0;
    transform: translateX(-100%);
  }
  .gnb a:nth-of-type(1) {
    transition: all .3s cubic-bezier(.05, .2, .1, 1) 0s;
  }
  .gnb a:nth-of-type(2) {
    transition: all .3s cubic-bezier(.05, .2, .1, 1) 0.05s;
  }
  .gnb a:nth-of-type(3) {
    transition: all .3s cubic-bezier(.05, .2, .1, 1) 0.1s;
  }
  .gnb a:nth-of-type(4) {
    transition: all .3s cubic-bezier(.05, .2, .1, 1) 0.15s;
  }
  .gnb a:nth-of-type(5) {
    transition: all .3s cubic-bezier(.05, .2, .1, 1) 0.2s;
  }
  .gnb a:nth-of-type(6) {
    transition: all .3s cubic-bezier(.05, .2, .1, 1) 0.25s;
  }
  .gnb a::after {
    left: 0;
    transform: scale(0);
    transform-origin: left;
  }
  .gnb a:hover::after,
  .gnb a.active::after {
    opacity: 1;
    transform: scale(1);
  }
  .gnb.active a {
    opacity: 1;
    transform: translateX(0);
  }
  .logo-mobile {
    position: relative;
    margin-bottom: 30px;
  }
  .logo-mobile img {
    width: auto;
    height: 36px;
    padding-left: 14px;
    image-rendering: -webkit-optimize-contrast;
  }
  .gnb__wrap {
    display: flex;
    flex-direction: column;
  }
  .gnb__wrap a {
    display: inline-block;
    position: relative;
    margin: 0 30px 30px 15px;
    font-size: 1.25rem;
  }

  /* Hamburger Menu */
  .btn-menu {
    width: 24px;
    height: 16px;
  }
  .btn-menu span {
    height: 2px;
  }
  .btn-menu span:first-of-type {
    top: 0; 
  }
  .btn-menu span:nth-of-type(2) {
    top: 8px; 
  }
  .btn-menu span:last-of-type {
    top: 16px;
  }
  .btn-menu.on span:first-of-type {
    transform: translateY(8px) rotate(-45deg);
  }
  .btn-menu.on span:last-of-type {
    left: 0;
    width: 100%;
    transform: translateY(-8px) rotate(45deg);
  }

  /* Main Common */
  .main .inner {
    position: relative;
    width: 100%;
    padding: 0 20px;
  }
  .tit-huge {
    font-size: var(--font-large);
  }
  .btn-square {
    padding: 10px 20px;
  }

  /* Welcome Section */
  .welcome {
    margin-top: 30px;
  }
  .welcome .tit-huge {
    left: -15px;
    top: 150px;
  }
  .welcome__tit,
  .welcome__typing,
  .typed-cursor {
    font-size: 2rem;
  }
  .welcome__text {
    display: none;
  }
  .welcome__shape {
    display: none;
  }
  .welcome .btn-square {
    display: block;
    width: 145px;
    margin: 30px 0;
  }

  /* About Section */
  .about {
    margin: 60px 0;
  }
  .about__shape {
    display: none;
  }
  .about__wrap {
    margin-top: -10px;
  }
  .about__wrap h4,
  .about__cont strong {
    font-size: var(--font-regular);
  }
  .about__cont h3 {
    margin-top: 20px;
    font-size: 2rem;
  }
  .about__text {
    margin-top: 5px;
  }
  .about__history {
    display: block;
  }
  .about__history li {
    width: 100%;
    margin-bottom: 15px;
  }
  .about__history p {
    font-size: 1rem;
  }
  .about__history span {
    font-size: var(--font-small);
  }
  .about__license p {
    font-size: var(--font-small);
    margin-bottom: 20px;
  }
  .about__more {
    display: initial;
  }
  .about__more h4 {
    margin-bottom: 14px;
  }
  
  /* Skills Section */
  .skills {
    margin-bottom: 60px;
  }
  .skills__wrap {
    position: relative;
    margin: -15px 0 15px;
  }
  .skills__lang {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 15px;
  }
  .skills__lang li {
    z-index: 3;
    position: relative;
    padding: 15px;
    transition: all .3s ease-in-out;
  }
  .skills__lang li .skills__box dt {
    margin-bottom: 5px;
    padding-top: 50px;
    background-size: 40px 40px;
    background-position: 50% 20%;
    font-size: 1rem;
  }
  .skills__box dd {
    font-size: 0.75rem;
    word-break: break-all;
  }

  /* Skills Tools */
  .skills__tools h3 {
    font-size: var(--font-regular);
  }
  .skills__list {
    margin-top: .625rem;
  }
  .skills__list li {
    height: 90px;
  }
  .skills__cont {
    padding-top: 15px;
  }
  .skills__list .skills__cont p {
    opacity: .5;
    padding-top: 40px;
    font-size: var(--font-micro);
    filter: grayscale(100%);
    transition: all .3s ease-in-out;
  }
  .skills__list li:first-of-type p {
    background-image: url(../images/icon_git_m.png);
  }
  .skills__list li:nth-of-type(2) p {
    background-image: url(../images/icon_ps_m.png);
  }
  .skills__list li:nth-of-type(3) p {
    background-image: url(../images/icon_ai_m.png);
  }
  .skills__list li:nth-of-type(4) p {
    background-image: url(../images/icon_xd_m.png);
  }
  .skills__list li:nth-of-type(5) p {
    background-image: url(../images/icon_figma_m.png);
  }
  .skills__list li:nth-of-type(6) p {
    background-image: url(../images/icon_vscode_m.png);
  }
  .skills__list li:nth-of-type(7) p {
    background-image: url(../images/icon_slack_m.png);
  }
  .skills__list li:last-of-type p {
    background-image: url(../images/icon_fz_m.png);
  }

  /* Portfolio Section */
  .portfolio {
    margin-bottom: 60px;
  }
  .portfolio__box {
    padding: 15px;
  }
  .portfolio__desc h3 {
    margin-bottom: 10px;
    padding-bottom: 10px;
    font-size: var(--font-regular);
  }
  .portfolio__txt p {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  .portfolio__txt span {
    margin-right: 10px;
  }
  .portfolio__img figure {
    width: 100%;
    height: 400px;
    margin-top: 20px;
  }
  .portfolio__details {
    width: 100%;
    height: 400px;
    padding: 290px 15px 15px 15px;
  }
  .portfolio__details p {
    margin-bottom: 10px;
  }
  .portfolio__hash {
    font-size: 1.25rem;
  }
  .portfolio__pagination {
    margin-top: 15px;
    font-size: var(--font-regular);
  }
  .desktop-only {
    display: none; 
  }

  /* Practical Section */
  .practical {
    height: 772px;
    margin-bottom: 60px;
  }
  .practical .tit-huge {
    position: relative;
    left: 0;
  }
  .tab__container {
    height: 715px; 
    margin-bottom: 60px;
  }
  .tab__list {
    display: none;
  }
  .tab__list--smart {
    display: block;
  }
  .tab__list--smart .tab__wrap {
    display: block;
  }
  .tab__list--smart .tab__content {
    margin-top: 40px;
  }
  .tab__menu {
    font-size: var(--font-regular);
  }
  .tab__menu--hov {
    left: 0;
    white-space: nowrap;
  }
  .tab__menu--ani {
    left: 105px;
  }
  .tab__menu--tab {
    left: 0;
    top: 45px;
    white-space: nowrap;
  }
  .tab__menu--navi {
    left: 155px;
    top: 45px;
    white-space: nowrap;
  }
  .tab__menu--smart {
    color: var(--color-point);
  }
  .tab__content {
    margin-top: 90px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 15px;
  }
  .tab__content li {
    position: relative;
    height: 205px;
  }
  .tab__content .item3 {
    grid-column: 1 / 3;
  }
  .item__details {
    padding: 80px 15px 15px 15px;
  }
  .item__details--one {
    padding-top: 60px;
  }
  .item__details--two {
    padding-top: 30px;
  }
  .item__details h4 {
    font-size: var(--font-regular);
  }

  /* Records Section */
  .records {
    overflow-x: hidden;
  }
  .records .tit-huge {
    position: relative;
    right: 0;
  }
  .records__list {
    overflow-x: scroll;
    gap: 15px;
    margin-top: -15px;
    padding: 15px 0 15px;
  }
  .records__list::-webkit-scrollbar {
    height: 6px;
  }
  .records__list::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: var(--color-point);
  }
  .records__list::-webkit-scrollbar-track {
    opacity: .5;
    background-color: rgba(0, 0, 0, 0.5);
  }
  .records__list > li {
    width: 100%;
  }
  .records__img {
    width: 199px;
    height: 125px;
  }
  .records__info {
    padding: 5px 10px 10px 10px;
  }
  .records__info strong {
    margin: 5px 0;
    font-size: 1rem;
  }
  .records__info p {
    width: 179px;
    font-size: var(--font-small);
  }

  /* Epilogue Section */
  .epilogue {
    display: flex;
    flex-direction: column;
    position: relative;
    margin-top: 60px;
    padding-bottom: 90px;
  }
  .epilogue .item01 {
    order: 2;
  }
  .epilogue .item02 {
    order: 1;
  }
  .epilogue .tit-huge {
    position: relative;
  }
  .epilogue__shape {
    display: none;
  }
  .epilogue__content {
    padding: 30px 15px 15px 15px;
    background-color: var(--color-dark);
  }
  .epilogue__content h3 {
    margin-bottom: 15px;
    font-size: 2rem;
  }
  .epilogue__txt {
    margin-bottom: 30px;
  }
  .epilogue__foot a {
    margin-right: 15px;
  }
  .epilogue__foot::after {
    display: block;
    clear: both;
    content: '';
  }
  .btn-top {
    right: 80px;
    bottom: 90px;
  }
  .btn-circle--prev {
    display: none;
  }
  .btn-circle--next {
    display: none;
  }
  .btn-circle--top:hover {
    background-color: transparent;
    background-image: url(../images/icon_arr_up.png);
  }
}

/* Tablet */
@media screen and (min-width: 48rem) and (max-width: 63.938rem) {
  /* Dim */
  .dim.on {
    z-index: 10;
    position: absolute;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.8);
  }

  /* Header */
  .header {
    height: 70px;
  }
  .header .inner {
    width: 568px;
  }
  .logo img {
    height: 45px;
    image-rendering: -webkit-optimize-contrast;
  }
  .gnb {
    opacity: 0;
    z-index: 11;
    position: fixed;
    left: 0;
    top: 0;
    width: 35%;
    height: 100vh;
    padding: 20px;
    background-color: var(--color-dark);
    transform: translateX(-100%);
    transition: all .3s cubic-bezier(.05, .2, .1, 1);
  }
  .gnb.active {
    opacity: 1;
    transform: translateX(0);
  }
  .gnb a {
    opacity: 0;
    transform: translateX(-100%);
  }
  .gnb a:nth-of-type(1) {
    transition: all .3s cubic-bezier(.05, .2, .1, 1) 0s;
  }
  .gnb a:nth-of-type(2) {
    transition: all .3s cubic-bezier(.05, .2, .1, 1) 0.05s;
  }
  .gnb a:nth-of-type(3) {
    transition: all .3s cubic-bezier(.05, .2, .1, 1) 0.1s;
  }
  .gnb a:nth-of-type(4) {
    transition: all .3s cubic-bezier(.05, .2, .1, 1) 0.15s;
  }
  .gnb a:nth-of-type(5) {
    transition: all .3s cubic-bezier(.05, .2, .1, 1) 0.2s;
  }
  .gnb a:nth-of-type(6) {
    transition: all .3s cubic-bezier(.05, .2, .1, 1) 0.25s;
  }
  .gnb a::after {
    left: 0;
    transform: scale(0);
    transform-origin: left;
  }
  .gnb a:hover::after,
  .gnb a.active::after {
    opacity: 1;
    transform: scale(1);
  }
  .gnb.active a {
    opacity: 1;
    transform: translateX(0);
  }
  .logo-mobile {
    position: relative;
    margin: 0 0 40px 20px;
  }
  .logo-mobile img {
    height: 45px;
    image-rendering: -webkit-optimize-contrast;
  }
  .gnb__wrap {
    display: flex;
    flex-direction: column;
  }
  .gnb__wrap a {
    display: inline-block;
    position: relative;
    margin: 0 40px 30px 20px;
    font-size: 1.25rem;
  }

  /* Main Common */
  .main .inner {
    position: relative;
    width: 568px;
    margin: 0 auto;
  }
  .tit-huge {
    position: relative;
    font-size: var(--font-title-tab);
  }
  .btn-circle--prev {
    left: -80px;
  }
  .btn-circle--next {
    right: -80px;
  }

  /* Welcome Section */
  .welcome {
    margin-top: 40px;
  }
  .welcome .tit-huge {
    display: none;
  }
  .welcome__tit {
    font-size: var(--font-large);
  }
  .welcome__typing {
    font-size: var(--font-large);
  }
  .typed-cursor {
    font-size: var(--font-large);
  }
  .welcome__text {
    width: 100%;
    margin: 10px 0 20px;
    font-size: var(--font-small);
    font-weight: 300;
  }
  .welcome__shape {
    display: none;
  }
  .welcome .btn-square {
    margin-bottom: 40px;
  }

  /* About Section */
  .about {
    position: relative;
    margin: 60px 0;
  }
  .about__shape {
    display: none;
  }
  .about__wrap {
    margin-top: -25px;
  }
  .about__wrap h4 {
    font-size: 1.25rem;
  }
  .about__cont h3 {
    margin-top: 20px;
    font-size: var(--font-large);
  }
  .about__cont strong {
    margin-bottom: 10px;
    font-size: 1.25rem;
  }
  .about__history li {
    width: 48%;
  }
  .about__history span {
    font-size: var(--font-small);
  }
  .about__license p {
    font-size: var(--font-small);
  }
  .about__more h4 {
    margin-right: 20px;
    padding-right: 20px;
    border-right: 1px solid #fff;
    white-space: nowrap;
  }
  
  /* Skills Section */
  .skills {
    margin-bottom: 60px;
  }
  .skills__wrap {
    position: relative;
    margin: -30px 0 20px;
  }
  .skills__lang {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 20px;
  }
  .skills__lang li {
    z-index: 3;
    position: relative;
    padding: 15px;
    transition: all .3s ease-in-out;
  }
  .skills__lang li .skills__box dt {
    margin-bottom: 10px;
    background-size: 60px 60px;
    background-position: 50% 30%;
    font-size: var(--font-regular);
  }

  /* Skills Tools */
  .skills__tools h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
  }
  .skills__list li {
    height: 110px;
  }
  .skills__cont {
    padding-top: 20px;
  }
  .skills__cont p {
    opacity: .5;
    padding-top: 55px;
    filter: grayscale(100%);
    transition: all .3s ease-in-out;
  }

  /* Portfolio Section */
  .portfolio {
    margin-bottom: 40px;
  }
  .portfolio__box {
    padding: 20px;
  }
  .portfolio__desc h3 {
    margin-bottom: 10px;
    padding-bottom: 10px;
  }
  .portfolio__txt span {
    margin-right: 10px;
  }
  .portfolio__img figure {
    width: 100%;
    height: 430px;
    margin-top: 20px;
  }
  .portfolio__details {
    width: 528px;
    height: 430px;
    padding: 310px 20px 20px 20px;
  }
  .portfolio__details p {
    margin-bottom: 10px;
  }
  .portfolio__pagination {
    margin-top: 20px;
  }
  .desktop-only {
    display: none; 
  }

  /* Practical Section */
  .tab__container {
    height: 715px; 
    margin-bottom: 60px;
  }
  .tab__list {
    display: none;
  }
  .tab__list--smart {
    display: block;
  }
  .tab__list--smart .tab__wrap {
    display: block;
  }
  .tab__menu {
    font-size: var(--font-regular);
  }
  .tab__menu--hov {
    left: 0;
    white-space: nowrap;
  }
  .tab__menu--ani {
    left: 105px;
  }
  .tab__menu--tab {
    left: 225px;
    white-space: nowrap;
  }
  .tab__menu--navi {
    white-space: nowrap;
    left: 380px;
  }
  .tab__menu--smart {
    color: var(--color-point);
  }
  .tab__content {
    margin-top: 60px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 20px;
  }
  .tab__content li {
    position: relative;
    height: 205px;
  }
  .tab__content .item3 {
    grid-column: 1 / 3;
  }
  .item__details {
    padding: 60px 20px 20px 20px;
  }
  .item__details--two {
    padding-top: 40px;
  }

  /* Records Section */
  .records__list {
    overflow-x: scroll;
    gap: 20px;
    margin-top: -30px;
    padding: 10px 0 20px;
  }
  .records__list::-webkit-scrollbar {
    height: 6px;
  }
  .records__list::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: var(--color-point);
  }
  .records__list::-webkit-scrollbar-track {
    opacity: .5;
    background-color: rgba(0, 0, 0, 0.5);
  }
  .records__list > li {
    width: 50%;
  }
  .records__img {
    width: 274px;
    height: 180px;
  }
  .records__info {
    padding: 5px 10px 10px 10px;
  }
  .records__info p {
    font-size: var(--font-small);
  }

  /* Epilogue Section */
  .epilogue {
    display: flex;
    flex-direction: column;
    position: relative;
    margin: 90px 0 100px;
  }
  .epilogue .item01 {
    order: 2;
  }
  .epilogue .item02 {
    order: 1;
  }
  .epilogue .tit-huge {
    display: none;
  }
  .epilogue__shape {
    display: none;
  }
  .epilogue__content {
    padding: 40px 20px 20px 20px;
    background-color: var(--color-dark);
  }
  .epilogue__content h3 {
    margin-bottom: 15px;
    font-size: var(--font-large);
  }
  .epilogue__txt {
    margin-bottom: 30px;
  }
  .epilogue__foot a {
    margin-right: 15px;
  }
  .epilogue__foot::after {
    display: block;
    clear: both;
    content: '';
  }
  .btn-top {
    left: calc(50% + 304px);
    bottom: 90px;
  }
  .btn-circle--top:hover {
    background-color: transparent;
    background-image: url(../images/icon_arr_up.png);
  }
}

/* DeskTop */
@media screen and (min-width: 64rem) {

  /* Header */
  .header {
    height: 80px;
  }
  .header .inner {
    width: 1230px;
  }

  /* Gnb */
  .gnb a {
    margin-left: 40px;
    font-size: var(--font-medium);
  }
  .logo-mobile {
    display: none;
  }
  .btn-drawer {
    display: none;
  }

  /* Main Common */
  .main .inner {
    position: relative;
    width: 1230px;
    margin: 0 auto;
  }
  .tit-huge {
    font-size: var(--font-giant);
  }

  /* Welcome Section */
  .welcome {
    margin-bottom: 340px;
  }
  .welcome .tit-huge {
    left: -125px;
    top: 600px;
  }
  .welcome__box {
    height: 520px;
    padding-top: 190px;
    box-sizing: content-box;
  }
  .welcome__tit {
    font-size: var(--font-huge);
  }
  .welcome__typing {
    font-size: var(--font-huge);
  }
  .typed-cursor {
    font-size: var(--font-huge);
  }
  .welcome__text {
    max-width: 540px;
    margin: 15px 0 117px;
  }
  .welcome__shape {
    overflow: hidden;
    position: absolute;
    right: -345px;
    top: 70px;
    width: 720px;
    height: 750px;
    background: var(--color-dark);
    text-indent: -9999px;
  }
  .welcome__pic {
    position: absolute;
    right: 0;
    top: 190px;
    box-shadow: 30px 30px 0 var(--color-deep-dark);
  }

  /* About Section */
  .about {
    margin-bottom: 270px;
  }
  .about .tit-huge {
    left: 210px;
    margin-bottom: 70px;
  }
  .about__shape {
    z-index: -1;
    overflow: hidden;
    position: absolute;
    left: -345px;
    top: 214px;
    width: 695px;
    height: 820px;
    background: var(--color-dark);
    text-indent: -9999px;
  }
  .about__wrap::after {
    display: block;
    clear: both;
    content: '';
  }
  .about__wrap h4 {
    font-size: var(--font-medium);
  }
  .about__pic {
    float: left;
    box-shadow: -30px 30px 0 var(--color-deep-dark);
  }
  .about__cont {
    float: right;
    width: 675px;
  }
  .about__cont h3 {
    font-size: var(--font-large);
  }
  .about__cont strong {
    margin-bottom: 10px;
    font-size: var(--font-medium);
  }
  .about__history li {
    width: 48%;
  }
  .about__history p {
    font-size: var(--font-regular);
  }
  .about__more h4 {
    margin-right: 30px;
    padding-right: 30px;
    border-right: 1px solid #fff;
  }

  /* Skills Section */
  .skills {
    margin-bottom: 270px;
  }
  .skills .tit-huge {
    position: relative;
    left: -120px;
  }
  .skills__wrap {
    position: relative;
    margin: -50px 0 30px;
  }
  .skills__lang {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 30px;
  }
  .skills__lang li {
    z-index: 3;
    position: relative;
    padding: 30px;
    transition: all .3s ease-in-out;
  }
  .skills__cont {
    padding-top: 30px;
  }
  .skills__cont p {
    opacity: .5;
    padding-top: 65px;
    font-size: var(--font-regular);
    filter: grayscale(100%);
    transition: all .3s ease-in-out;
  }

  /* Portfolio Section */
  .portfolio {
    margin-bottom: 270px;
  }
  .portfolio .tit-huge {
    position: relative;
    left: 235px;
    margin-bottom: 70px;
  }
  .portfolio__container {
    margin: -81px 0 90px;
  }
  .portfolio__swiper {
    overflow: hidden;
  }
  .portfolio__box {
    padding: 30px;
  }
  .portfolio__desc h3 {
    margin-bottom: 15px;
    padding-bottom: 15px;
    font-size: var(--font-medium);
  }
  .portfolio__txt span {
    margin-right: 15px;
  }
  .portfolio__img figure {
    width: 540px;
    height: 430px;
    margin-top: 30px;
  }
  .portfolio__details {
    width: 540px;
    height: 430px;
    padding: 300px 30px 30px 30px;
  }
  .portfolio__details p {
    margin-bottom: 15px;
  }
  .portfolio__pagination {
    margin-top: 30px;
  }

  /* Practical Section */
  .practical {
    margin-bottom: 270px;
  }
  .practical .tit-huge {
    position: relative;
    left: -128px;
  }
  .tab__container {
    height: 705px;
    margin-bottom: 90px;
  }
  .tab__list--smart {
    display: none;
  }
  .tab__menu--hov {
    left: 0;
    width: 105px;
  }
  .tab__menu--ani {
    left: 135px;
  }
  .tab__menu--tab {
    left: 291px;
    width: 170px;
  }
  .tab__menu--navi {
    width: 140px;
    left: 491px;
  }
  .tab__content {
    margin-top: 70px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 30px;
  }
  .tab__content li {
    position: relative;
    height: 300px;
  }
  .tab__content .item2 {
    grid-column: 2 / 4;
  }
  .tab__content .item4 {
    grid-column: 1 / 3;
  }
  .tab__content .item5 {
    grid-column: 3 / 5;
  }
  .item__details--two {
    padding-top: 126px;
  }

  /* Records Section */
  .records {
    margin-bottom: 340px;
  }
  .records .tit-huge {
    position: relative;
    left: -130px;
  }
  .records__list {
    gap: 30px;
    margin-top: -50px;
  }
  .records__list > li {
    width: 25%;
  }
  .records__img {
    width: 285px;
    height: 180px;
  }
  .records__info strong {
    font-size: var(--font-regular);
  }
  
  /* Epilogue Section */
  .epilogue {
    position: relative;
    margin-top: 150px;
    padding-top: 105px;
    padding-bottom: 200px;
  }
  .epilogue .tit-huge {
    position: absolute;
    right: -1320px;
    bottom: -100px;
    letter-spacing: -10px;
    transform: rotate(-90deg);
    transform-origin: left bottom;
  }
  .epilogue__shape {
    overflow: hidden;
    position: absolute;
    left: -345px;
    top: 0;
    width: 1260px;
    height: 640px;
    background: var(--color-dark);
    text-indent: -9999px; 
  }
  .epilogue__content {
    position: relative;
    width: 440px;
    height: 430px;
  }
  .epilogue__content h3 {
    position: relative;
    margin-bottom: 15px;
    font-size: var(--font-huge);
  }
  .epilogue__txt {
    width: 440px;
    margin-bottom: 30px;
  }
  .epilogue__img {
    position: absolute;
    right: 0;
    top: 105px;
  }
  .epilogue__foot {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
  }
  .epilogue__foot a {
    margin-right: 15px;
  }
  .btn-top {
    left: calc(50% + 645px);
    bottom: 90px;
  }
}

/* Mobile - min */
@media screen and (max-width: 20rem) {
  .tit-huge {
    font-size: 42px;
  }
}