html {
  scroll-behavior: auto !important;
}

.section-1,
.section-2,
.section-3,
.section-4,
.section-5 {
  width: 100%;
  position: relative;
  background-color: rgba(255, 255, 255, 0);

  transition: all 1s ease;
}
.section-2,
.section-3,
.section-4,
.section-5 {
  height: auto;
  min-height: 100vh;
  display: flex;
  align-items: center;
}
.section-5 {
  min-height: 0;
}
.section-2 .inner-cont,
.section-3 .inner-cont,
.section-4 .inner-cont,
.section-5 .inner-cont {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
}
.section-2 .inner-cont {
  max-width: 1120px;
}
@media (max-width: 1024px) {
  .section-2 .inner-cont,
  .section-3 .inner-cont,
  .section-4 .inner-cont {
    padding: 0 64px;
  }
}
@media (max-width: 768px) {
  html,
  body {
    font-size: 12px;
  }
  .section-2 .inner-cont,
  .section-3 .inner-cont,
  .section-4 .inner-cont {
    padding: 0 16px;
  }
}
@media (max-width: 480px) {
  html,
  body {
    font-size: 9px;
  }
}
.section-2.active {
  background-color: rgba(var(--bs-theme-rgb), 0.1);
  transition: all 1s ease;
}

/* section-1 시작 */
.text-area {
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 1;
}
.text-area > div {
  color: var(--bs-theme-sub);
  font-size: 3.1429rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.5;
}
.section-1 .left,
.section-1 .right {
  position: absolute;
  content: "";
  top: 0;
  height: 100vh;
  width: 50%;
  font-size: 14px;
  opacity: 1;
  transition: all 1s ease;
}
.section-1 .left {
  left: 0;
}
.section-1 .right {
  right: 0;
}
.section-1 .left.active,
.section-1 .right.active {
  opacity: 0;
  transition: all 1s ease;
}
.circle {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30rem;
  height: 30rem;
  border-radius: 100%;
  background-color: rgba(var(--bs-theme-rgb), 0.1);
}
.circle.cricle-border {
  background-color: transparent;
  border: solid 3px var(--bs-theme);
  width: 35rem;
  height: 35rem;
}
.circle.circle-1 {
  animation: updown_1 8s ease-in-out infinite;
  transition: all 0.5s ease;
}
.circle.circle-2 {
  animation: updown_2 6s ease-in-out infinite;
  transition: all 0.5s ease;
}
.circle.circle-3 {
  left: unset;
  bottom: unset;
  top: 0;
  right: 0;
  width: 40rem;
  height: 40rem;

  animation: updown_3 7s ease-in-out infinite;
  transition: all 0.5s ease;
}
.line {
  position: absolute;
  top: 0;
  left: 0;
  width: 30rem;
  height: 30rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
}
.right .line {
  top: auto;
  left: auto;
  bottom: 0;
  right: 0;
}
.line > div {
  width: 100%;
  height: 3px;
  background-color: var(--bs-theme);
}
.line.line-1 {
  transform: translate(-30%, 30%) rotate(-45deg);
  -webkit-transform: translate(-30%, 30%) rotate(-45deg);
  transition: all 0.5s ease;
}
.line.line-2 {
  transform: translate(30%, -20%) rotate(-45deg);
  -webkit-transform: translate(30%, -20%) rotate(-45deg);
  transition: all 0.5s ease;
}
.line.line-3 {
  transform: translate(20%, -10%) rotate(-45deg);
  -webkit-transform: translate(20%, -10%) rotate(-45deg);
  transition: all 0.5s ease;
}
.line.line-4 {
  transform: translate(40%, -20%) rotate(-45deg);
  -webkit-transform: translate(40%, -20%) rotate(-45deg);
  transition: all 0.5s ease;
}
.line.line-1 > div {
  width: 100%;
  animation: line_1 6s ease-in-out infinite;
  transition: all 0.5s ease;
}
.line.line-2 > div {
  width: 40%;
  animation: line_2 8s ease-in-out infinite;
  transition: all 0.5s ease;
}
.line.line-3 > div {
  right: 0;
  width: 50%;
  animation: line_3 9s ease-in-out infinite;
  transition: all 0.5s ease;
}
.line.line-4 > div {
  right: 0;
  width: 80%;
  animation: line_4 7s ease-in-out infinite;
  transition: all 0.5s ease;
}
@keyframes updown_1 {
  0% {
    transform: translate(-20%, 35%);
  }
  50% {
    transform: translate(-10%, 25%);
  }
  100% {
    transform: translate(-20%, 35%);
  }
}
@keyframes updown_2 {
  0% {
    transform: translate(-5%, 35%);
  }
  50% {
    transform: translate(5%, 25%);
  }
  100% {
    transform: translate(-5%, 35%);
  }
}
@keyframes updown_3 {
  0% {
    transform: translate(30%, -30%);
  }
  50% {
    transform: translate(20%, -20%);
  }
  100% {
    transform: translate(30%, -30%);
  }
}
@keyframes line_1 {
  0% {
    width: 80%;
  }
  50% {
    width: 100%;
  }
  100% {
    width: 80%;
  }
}
@keyframes line_2 {
  0% {
    width: 20%;
  }
  50% {
    width: 40%;
  }
  100% {
    width: 20%;
  }
}
@keyframes line_3 {
  0% {
    width: 30%;
  }
  50% {
    width: 50%;
  }
  100% {
    width: 30%;
  }
}
@keyframes line_4 {
  0% {
    width: 60%;
  }
  50% {
    width: 80%;
  }
  100% {
    width: 60%;
  }
}
.scrollDown {
  animation: mouseSlideup 1s ease;
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}
.scrollDown .mouse {
  width: 30px;
  height: 50px;
  border: solid 3px var(--bs-theme);
  border-radius: 30px;
  position: relative;
  margin-bottom: 5px;
  transition: all 0.25s ease;
}
.scrollDown .mouse .wheel {
  width: 5px;
  height: 5px;
  background-color: var(--bs-theme);
  border-radius: 5px;
  position: absolute;
  left: 50%;
  top: 30%;
  transform: translate(-50%, -50%);
  transition: all 0.25s ease;
}
.scrollDown:hover .mouse {
  width: 35px;
  height: 55px;
  transition: all 0.25s ease;
}
.scrollDown:hover .mouse .wheel {
  height: 10px;
  transition: all 0.25s ease;
}
@keyframes mouseSlideup {
  0% {
    opacity: 0;
    transform: translate(-50%, 50px);
  }
  100% {
    opacity: 100;
    transform: translate(-50%, 0);
  }
}

@media (max-width: 1024px) {
  .section-1 .left,
  .section-1 .right {
    font-size: 12px;
  }
  .circle {
    width: 20rem;
    height: 20rem;
  }
  .circle.circle-3 {
    width: 30rem;
    height: 30rem;
  }
  .circle.cricle-border {
    width: 25rem;
    height: 25rem;
  }
  .line {
    width: 20rem;
    height: 20rem;
  }
}
@media (max-width: 768px) {
  .circle {
    width: 10rem;
    height: 10rem;
  }
  .circle.circle-3 {
    width: 20rem;
    height: 20rem;
  }
  .circle.cricle-border {
    width: 15rem;
    height: 15rem;
  }
  .line {
    width: 10rem;
    height: 10rem;
  }
}
@media (max-width: 480px) {
  .section-1 .left,
  .section-1 .right {
    font-size: 6px;
  }
  .line.line-1 {
    transform: translate(-40%, 50%) rotate(-45deg);
    -webkit-transform: translate(-40%, 50%) rotate(-45deg);
  }
  .line.line-2 {
    transform: translate(20%, 0%) rotate(-45deg);
    -webkit-transform: translate(20%, 0%) rotate(-45deg);
  }
  .line.line-3 {
    transform: translate(20%, -20%) rotate(-45deg);
    -webkit-transform: translate(20%, -20%) rotate(-45deg);
  }
  .line.line-4 {
    transform: translate(50%, -40%) rotate(-45deg);
    -webkit-transform: translate(50%, -40%) rotate(-45deg);
  }

  @keyframes updown_1 {
    0% {
      transform: translate(-60%, 35%);
    }
    50% {
      transform: translate(-50%, 25%);
    }
    100% {
      transform: translate(-60%, 35%);
    }
  }
  @keyframes updown_2 {
    0% {
      transform: translate(-45%, 35%);
    }
    50% {
      transform: translate(-35%, 25%);
    }
    100% {
      transform: translate(-45%, 35%);
    }
  }
  @keyframes updown_3 {
    0% {
      transform: translate(70%, -30%);
    }
    50% {
      transform: translate(60%, -20%);
    }
    100% {
      transform: translate(70%, -30%);
    }
  }
}
/* section-1 끝 */

/* section-2 시작 */
.section-2 > *,
.section-2 > * > *,
.section-2 > * > * > *,
.section-2 > * > * > * > * {
  transition: all 0.5s ease;
}
.section-2 .text-box {
  display: flex;
  gap: 5%;
}
.section-2 .text-box .left {
  width: 35%;
  height: 400px;
  border-radius: 120px 0 0 0;
  overflow: hidden;
}
.section-2 .text-box .left img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  display: none;
}
.section-2 .text-box .left img.active {
  display: block;
  transform: translateX(-40px);
  opacity: 0;
}
.section-2 .right {
  width: calc(95% - 420px);
  color: var(--bs-theme-sub);
  font-weight: 500;
  font-size: 1.4286rem;
  padding: 24px 0;
  word-break: keep-all;
}
.section-2 .right .menu-box {
  transform: translateX(40px);
  opacity: 0;
}
.section-2 .text-box .left img.port-active,
.section-2 .right:has(.port-active) > .menu-box {
  transform: translateX(0);
  opacity: 1;
}
.section-2 .right .tit {
  font-size: 2rem;
  word-break: keep-all;
}
.section-2 .right .menu-box {
  display: none;
}
.section-2 .right .menu-box.active {
  display: block;
}
.section-2 .right .sub-tit {
  font-size: 2.5714rem;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 32px;
  word-break: keep-all;
}
.inner-cont {
  position: relative;
}
.section-2 .sol-menu-box {
  position: absolute;
  right: 16px;
  bottom: -80px;
  max-width: 800px;
  width: 100%;
  height: 120px;
  display: flex;
  font-weight: 700;
  border-radius: 12px;
  overflow: hidden;
}
.section-2 .sol-menu-box button {
  font-weight: 700;
  font-size: 2rem;
  color: #fff;
  background-color: rgba(var(--bs-theme-sub-rgb), 0.6);
  border: none;
  border-right: solid 1px #ddd;
  flex: 1;
}
.section-2 .sol-menu-box button:nth-last-child(1) {
  border: none;
}
.section-2 .sol-menu-box button.active,
.section-2 .sol-menu-box button:hover,
.section-2 .sol-menu-box button:focus {
  background-color: rgba(var(--bs-theme-sub-rgb), 1);
  transition: all 0.5s ease;
}
@media (max-width: 1024px) {
  .section-2 > *,
  .section-2 > * > *,
  .section-2 > * > * > *,
  .section-2 > * > * > * > * {
    transition: all 0.5s ease;
  }
  .section-2 .text-box {
    position: relative;
    padding-bottom: 60px;
  }
  .section-2 .text-box .left {
    width: 45%;
    height: 400px;
  }
  .section-2 .right {
    position: absolute;
    bottom: 0;
    right: 0;
    background-color: #fff;
    padding: 40px;
    width: 65%;
    min-height: 360px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.25);
  }
  .section-2 .right .sub-tit {
    margin-top: 24px;
    margin-bottom: 36px;
  }
  .section-2 .sol-menu-box {
    position: static;
    bottom: 0;
    margin-top: 60px;
    max-width: none;
    height: 100px;
  }
}
@media (max-width: 768px) {
  .section-2 .text-box {
    padding-bottom: 150px;
  }
  .section-2 .text-box .left {
    width: 70%;
    height: 260px;
    border-radius: 20px 0 0 0;
  }
  .section-2 .right {
    padding: 20px;
    width: 85%;
    min-height: 210px;
  }
  .section-2 .right .sub-tit {
    margin-top: 12px;
    margin-bottom: 16px;
  }
  .section-2 .sol-menu-box {
    margin-top: 20px;
    height: 80px;
  }
  .section-2 .sol-menu-box button {
    font-size: 16px;
    font-weight: 400;
  }
}
@media (max-width: 480px) {
  .section-2 .right .tit,
  .section-2 .right .sub-tit {
    font-weight: 700;
    word-break: keep-all;
  }
  .section-2 .right {
    font-weight: 500;
    word-break: break-all;
  }
}
/* section-2 끝 */

/* section-3 시작 (구 디자인) */
/* .section-3 .wwd-cont {
  display: flex;
}
.section-3 .wwd-cont > div {
  flex: 1;
  height: 480px;
  position: relative;
  overflow: hidden;
  border-right: solid 1px #ddd;
}
.section-3 .wwd-cont > div img {
  height: 100%;
  object-fit: cover;
  transition: all 0.5s ease;
}
.section-3 .wwd-cont > div::before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.25);
  width: 100%;
  height: 100%;
  z-index: 1;
}
.section-3 .wwd-cont > div::after {
  position: absolute;
  bottom: 32px;
  left: 32px;
  z-index: 1;
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
}
.section-3 .wwd-cont > div:hover img {
  scale: 1.2;
  transition: all 0.5s ease;
}
.section-3 .wwd-cont > div:nth-child(1)::after {
  content: "WEB";
}
.section-3 .wwd-cont > div:nth-child(2)::after {
  content: "APP";
}
.section-3 .wwd-cont > div:nth-child(3)::after {
  content: "KIOSK";
}
.section-3 .wwd-cont > div:nth-child(1) {
  border-radius: 64px 0 0 0;
}
.section-3 .wwd-cont > div:nth-child(2) {
  margin-top: -40px;
}
.section-3 .wwd-cont > div:nth-child(3) {
  margin-top: 40px;
  border-radius: 0 0 64px 0;
  border: none;
}
.section-3 .text-box {
  display: flex;
  flex-direction: column;
  width: 100%;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-bottom: 80px;
}
.section-3 .text-box .sub {
  font-size: 2rem;
  font-weight: 700;
  color: var(--bs-theme-sub);
}
.section-3 .text-box .tit {
  font-size: 2.5714rem;
  font-weight: 700;
}
@media (max-width: 768px) {
  .section-3 .wwd-cont {
    flex-direction: column;
  }
  .section-3 .wwd-cont > div {
    flex: none;
    width: 80%;
    height: 140px;
    border: none;
    border-bottom: solid 1px #ddd;
  }
  .section-3 .wwd-cont > div:nth-child(2) {
    margin-top: 0;
    margin-left: 20%;
  }
  .section-3 .wwd-cont > div:nth-child(3) {
    margin-top: 0;
    margin-left: 10%;
    border-bottom: none;
  }
  .section-3 .wwd-cont > div img {
    width: 100%;
  }
  .section-3 .wwd-cont > div::after {
    bottom: 16px;
    left: 20px;
  }
  .section-3 .text-box {
    margin-bottom: 40px;
  }
} */
/* section-3 끝 (구 디자인) */

/* section-3 시작 */
.sol-step-box {
  display: flex;
  gap: 0.5rem;
}
.sol-step-box button {
  flex: 1;
  border: none;
  border-radius: 8px;
  padding: 16px 20px;
  border: solid 2px var(--bs-theme);
  background-color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;

  transition: all 0.25s ease;
}
.sol-step-box button p {
  width: 100%;
  text-align: left;
}
.sol-step-box button .step {
  padding: 4px 12px 12px 12px;
  font-size: 1.1429rem;
  border-bottom: solid 2px var(--bs-theme);
  font-weight: 700;
}
.sol-step-box button .tit {
  font-size: 1.7143rem;
  padding: 12px 0 0 12px;
  font-weight: 700;
}
.sol-step-box button.active,
.sol-step-box button:hover {
  background-color: var(--bs-theme);
  color: #fff;
  transition: all 0.25s ease;
}
.sol-step-box button.active .step,
.sol-step-box button:hover .step {
  border-bottom: solid 2px #fff;
  transition: all 0.25s ease;
}
.step-cont .step-box {
  display: none;
  border: solid 2px var(--bs-theme);
  background-color: #fff;
  border-radius: 8px;
  padding: 3rem 3rem 0 3rem;
  height: 400px;
  margin-top: 0.5rem;
  background: url(../img/step_1.png) no-repeat center;
  background-size: cover;

  position: relative;
  overflow: hidden;
}
.step-cont .step-box::before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  width: 100%;
  height: 400px;
  background-color: #fff;
  background: linear-gradient(
    315deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 1) 100%
  );
}
.step-cont .step-box > * {
  position: relative;
  z-index: 1;
}
.step-cont .step-box p,
.step-cont .step-box .sub-tit p {
  /* font-size: 1.1429rem; */
}
.step-cont .step-box .sub-tit .tit {
  font-size: 2.2857rem;
  font-weight: 700;
  color: var(--bs-theme);
}
.step-cont .step-box.step2 {
  background-image: url(../img/step_2.png);
  background-size: cover;
}
.step-cont .step-box.step3 {
  background-image: url(../img/step_3.png);
  background-size: cover;
}
.step-cont .step-box.step4 {
  background-image: url(../img/step_4.png);
  background-size: cover;
}
.step-cont .step-box.active {
  display: block;
}
.step-cont .step-box.port-active {
  transform: translateY(0);
  opacity: 1;
}
.step-cont .step-box .info-box {
  max-width: 340px;
  font-size: 1.1429rem;
  padding-top: 16px;
  font-weight: 700;
}
.step-cont .sub-tit .mobile-txt {
  font-size: 1.7143rem;
  font-weight: 700;
}
.step-cont .mobile-txt {
  display: none;
}
@media (max-width: 1024px) {
  .sol-step-box {
    display: none;
  }
  .step-cont .step-box,
  .step-cont .mobile-txt {
    display: block;
  }
  .step-cont {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .step-cont .step-box {
    width: calc(50% - 8px);
    margin: 0;
    height: 340px;
    padding: 2rem 2rem 0 2rem;
  }
  .step-cont .step-box::before {
    height: 340px;
    background: rgba(255, 255, 255, 0.8);
  }
  .step-txt {
    font-size: 16px;
    font-weight: 700;
    padding-bottom: 12px;
    padding-left: 8px;
    margin-bottom: 20px;
    border-bottom: solid 2px var(--bs-theme-sub);
    width: 70%;
  }
  .step-cont .step-box > .sub-tit {
    padding-left: 8px;
  }
  .step-cont .step-box .info-box {
    max-width: 100%;
  }
}
@media (max-width: 768px) {
  .step-cont {
    padding: 40px 0;
  }
  .step-cont {
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 8px;
  }
  .step-cont .step-box {
    width: 100%;
    height: auto;
    padding: 2rem;
  }
}
@media (max-width: 480px) {
  .mobile-cont {
    display: flex;
    gap: 12px;
  }
  .step-cont .step-txt {
    padding: 0;
    border: none;
    width: auto;
    margin-bottom: 8px;
  }
  .step-cont .sub-tit .tit {
    display: none;
  }
  .step-cont .step-box .info-box {
    padding: 0;
    font-size: 14px;
    font-weight: 500;
  }
}
/* section-3 끝 */

/* section-4 시작 */
.section-4 > *,
.section-4 > * > *,
.section-4 > * > * > *,
.section-4 > * > * > * > * {
  transition: all 0.5s ease;
}
.section-4 .inner-cont {
  position: relative;
  /* padding: 6rem 24px 12rem;
  margin-top: 4rem; */
}
.section-4 .left {
  margin-top: 3rem;
}
.section-4 .left .tit {
  font-size: 28px;
  font-weight: 700;
  color: var(--bs-theme-sub);
  margin-bottom: 24px;
}
.portfolio-tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  /* font-size: 40px; */
  font-size: 2.5rem;
}
.portfolio-tab button {
  border: none;
  background-color: transparent;
  transition: font-weight 0s ease;
}
.portfolio-tab button.active {
  font-weight: 700;
  transition: font-weight 0s ease;
  position: relative;
}
.portfolio-tab button::before {
  position: absolute;
  content: "";
  left: 0;
  bottom: 0;
  width: 0%;
  height: 28px;
  background-color: rgba(var(--bs-theme-sub-rgb), 0.3);
}
.portfolio-tab button.active::before {
  width: 100%;
  transition: all 0.5s ease-in-out;
}
.result-img {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  display: flex;
  justify-content: flex-end;
  margin-right: 32px;
  margin-top: -5%;
}
.result-img > li {
  display: none;
  justify-content: flex-end;
  align-items: flex-end;
  position: relative;
  width: 100%;
}
.result-img > li.active {
  display: flex !important;
}
.result-img > li > div {
  position: absolute;
  top: 0;
  right: 10%;
  width: 44%;
  background-color: #fff;
  padding: 16px;
  border-radius: 32px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.25);
}
.result-img > li.tablet > div {
  width: 80%;
}
.result-img > li > div img {
  border-radius: 20px;
  border: solid 1px #eee;
  /* box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.25); */
}
.result-img > li > .front-img {
  top: 8%;
  z-index: 2;
  transform: translateY(40px);
  opacity: 0;
}
.result-img > li.tablet > .front-img {
  top: 24%;
}
.result-img > li > .back-img {
  right: auto;
  left: 10%;
  transform: translateY(-40px);
  opacity: 0;
}
.result-img > li.port-active .front-img,
.result-img > li.port-active .back-img {
  transform: translateY(0);
  opacity: 1;
}
.section-4 .more-btn {
  padding: 20px;
  width: 200px;
  height: 200px;
  display: flex;
  background: var(--bs-theme-light);
  justify-content: center;
  align-items: center;
  /* font-size: 24px; */
  font-size: 1.7143rem;
  font-weight: 700;
  border-radius: 100%;
  box-shadow: 0 4px 12px rgba(var(--bs-theme-sub-rgb), 0.4);
  position: absolute;
  right: 0;
  bottom: -20%;
  z-index: 3;
  transition: all 0.2s ease;
  margin-right: 24px;
}
.section-4 .more-btn:hover,
.section-4 .more-btn:active,
.section-4 .more-btn:focus {
  text-decoration: none;
  color: var(--bs-theme-sub);
  transition: all 0.2s ease;
}
@media (max-width: 1024px) {
  .portfolio-tab {
    gap: 16px;
  }
  .portfolio-tab button::before {
    height: 24px;
  }
  .result-img > li > div {
    right: 0;
    width: 50%;
    padding: 12px;
  }
  .section-4 .more-btn {
    width: 160px;
    height: 160px;
    bottom: -10%;
  }
}
@media (max-width: 768px) {
  .section-4 {
    align-items: flex-start;
    padding-top: 60px;
  }
  .section-4 .left {
    z-index: 3;
    position: relative;
    background: rgba(255, 255, 255, 0.5);
    width: fit-content;
    border-radius: 24px;
  }
  .portfolio-tab {
    gap: 12px;
  }
  .result-img {
    width: 50%;
    margin-right: 16px;
    margin-top: 0;
  }
  .result-img > li > div {
    width: 65%;
    padding: 8px;
    border-radius: 20px;
  }
  .result-img > li > div img {
    border-radius: 20px;
  }
  .result-img > li > .back-img {
    left: 10%;
  }
  .result-img > li > .front-img {
    top: 60%;
  }
  .section-4 .more-btn {
    width: 120px;
    height: 120px;
    bottom: 0;
    margin: 0;
    right: auto;
    bottom: -160px;
  }
  .result-img > li.tablet .front-img {
    width: 140%;
    right: 0;
  }
}
@media (max-width: 480px) {
  .result-img {
    margin-top: 20%;
    width: 40%;
  }
  .result-img > li > div {
    width: 90%;
    padding: 4px;
    border-radius: 12px;
  }
  .result-img > li > div img {
    border-radius: 12px;
  }
  .result-img > li > .back-img {
    top: 20px;
    left: auto;
    right: 0;
  }
  .result-img > li > .front-img {
    right: 30px;
  }
  .result-img > li.tablet > .front-img {
    top: auto;
    bottom: -10%;
  }
  .portfolio-tab button::before {
    height: 12px;
  }
}
/* section-4 끝 */

/* section-5 시작 */
.section-5 {
  background: #ffffff;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0) 80%,
    rgba(var(--bs-theme-rgb), 0.1) 100%
  );
}
.section-5 .inner-cont {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20rem 0 10rem;
}
.section-5 .tit {
  font-size: 2.8571rem;
  font-weight: 700;
  color: var(--bs-theme-sub);
  margin-bottom: 20px;
}
.contact-btn {
  padding: 18px 70px;
  height: 56px;
  border-radius: 100px;
  background-color: var(--bs-theme-sub);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  box-shadow: 0 0px 8px rgba(var(--bs-theme-sub-rgb), 0);
}
.contact-btn:hover,
.contact-btn:active,
.contact-btn:focus {
  text-decoration: none;
  color: var(--bs-theme-light);
  transition: all 0.2s ease;
  box-shadow: 0 4px 8px rgba(var(--bs-theme-sub-rgb), 0.4);
}
/* section-5 끝 */

/* 애니메이션 관련 */
.ani {
  animation: slideup 1s ease;
  transition: all 0.5s ease;
  opacity: 0;
  animation-fill-mode: forwards;
}
.ani.ani-2 {
  animation-delay: 0.5s;
}
.ani.ani-3 {
  animation-delay: 1s;
}
.ani.ani-4 {
  animation-delay: 1.25s;
}
.ani.ani-5 {
  animation-delay: 1.5s;
}
.ani-active .ani {
  animation: slidedown 1s ease;
  transition: all 0.5s ease;
  animation-fill-mode: forwards;
}
@keyframes slideup {
  0% {
    opacity: 0;
    transform: translateY(50px);
  }
  100% {
    opacity: 100;
    transform: translateY(0);
  }
}
@keyframes slidedown {
  0% {
    opacity: 100;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(50px);
  }
}