@charset "UTF-8";
/* Webfont */
@font-face {
  font-family: "Noto Sans KR";
  src: url("/font/NotoSans/NotoSans-Light.woff") format("woff");
}
@font-face {
  font-family: "Noto Sans KR";
  font-weight: 700;
  src: url("/font/NotoSans/NotoSans-Bold.woff") format("woff");
}
@font-face {
  font-family: Roboto;
  src: url("/font/Roboto/Roboto-Regular.woff") format("woff");
}
@font-face {
  font-family: Roboto;
  font-weight: 300;
  src: url("/font/Roboto/Roboto-Light.woff") format("woff");
}
@font-face {
  font-family: Roboto;
  font-weight: 700;
  src: url("/font/Roboto/Roboto-Bold.woff") format("woff");
}
/* Reset */
body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
p,
table,
th,
td,
form,
fieldset,
legend,
textarea,
input,
select,
textarea,
button,
article,
aside,
dialog,
footer,
header,
section,
footer,
nav,
figure,
main {
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
  background-color: #f0f2f6;
  font-size: 18px;
  line-height: 16px;
  -webkit-text-size-adjust: none;
  -ms-text-size-adjust: none;
}

body,
input,
select,
textarea,
button {
  font-family: "Noto Sans KR", "Malgun Gothic", "맑은고딕", "Apple SD Gothic Neo", Dotum, "돋움", sans-serif;
}

fieldset,
li,
img {
  border: 0;
  vertical-align: top;
}

ul,
ol {
  list-style: none;
}

button {
  overflow: visible;
  border: 0;
  background-color: transparent;
  cursor: pointer;
}

button::-moz-focus-inner {
  padding: 0;
  border: 0;
}

address,
caption,
em {
  font-style: normal;
}

a,
a:focus,
a:active,
a:hover {
  text-decoration: none;
}

table {
  border-spacing: 0;
  border-collapse: collapse;
}

.blind,
caption span,
legend {
  overflow: hidden;
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  font-size: 1px;
  line-height: 100px;
  white-space: nowrap;
}

.wrap {
  min-width: 320px;
  height: 100%;
}

.technology_item::before,
.logo_title .logo,
.spot_title {
  background: url(/img/alt/sp_pc_alt_project.png) no-repeat;
  background-size: 600px 270px;
}

.pc_hide {
  display: none;
}

.spot_area {
  overflow: hidden;
  z-index: 100;
  width: 100%;
  height: 956px;
  background-color: #f0f2f6;
}

.header {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10;
}

.header_area {
  max-width: 1920px;
  height: 80px;
  margin: 0 auto;
  padding: 0 30px;
}

.header_area::after {
  display: block;
  clear: both;
  content: "";
}

.logo_title {
  float: left;
  padding-top: 31px;
}

.logo_title .logo {
  display: block;
  width: 185px;
  height: 19px;
  background-image: url(/img/alt/NAVERLABS_LOGO_BLACK_v2.png);
  background-position: 0 0;
  background-size: 185px 19px;
}

.language {
  float: right;
  width: 88px;
  height: 30px;
  margin-top: 25px;
  border: 1px solid rgba(0, 0, 0, 0.5);
  font-family: "Roboto";
  font-size: 14px;
  color: #000;
  line-height: 30px;
  text-align: center;
  box-sizing: border-box;
}

.spot {
  position: relative;
}

.spot_title_area {
  position: absolute;
  top: 264px;
  left: 50%;
  width: 100%;
  font-family: "Roboto";
  text-align: center;
  transform: translateX(-50%);
}

.spot_title {
  width: 319px;
  height: 118px;
  margin: 0 auto 32px;
  background-position: 0 -22px;
}

.spot_sub_title {
  font-size: 24px;
  font-weight: normal;
  color: #646464;
  letter-spacing: 4px;
  line-height: 30px;
}

.pc_slide {
  display: block;
}

.mo_slide {
  display: none;
}

.spot_slide {
  overflow: hidden;
  position: relative;
  width: 1600px;
  height: 956px;
  margin: 0 auto;
  background: url(/img/alt/img_pc_alt_0.png) no-repeat 50% 550px;
  background-size: 1076px 330px;
}

.spot_slide_list {
  position: absolute;
  top: 0;
  left: 50%;
  width: 100%;
  margin-top: 80px;
  white-space: nowrap;
  transform: translateX(-50%);
}

.spot_slide_item {
  position: relative;
  height: 876px;
}

.slick-slide {
  outline: 0;
}

.slick-slide img {
  margin: 0 auto;
}

.spot_slide_item.alt_d {
  background: url(/img/alt/img_pc_alt_d.png) no-repeat 64.4% 41px;
  background-size: 1011px 513px;
}

.spot_slide_item.alt_s_shop {
  background: url(/img/alt/img_pc_alt_s_shopping.png) no-repeat 50% 40px;
  background-size: 822px 502px;
}

.spot_slide_item.alt_s_book {
  background: url(/img/alt/img_pc_alt_s_book.png) no-repeat 49.7% 40px;
  background-size: 828px 502px;
}

.spot_slide_item.alt_s_shoe {
  background: url(/img/alt/img_pc_alt_s_shoes.png) no-repeat 49.9% 40px;
  background-size: 823px 503px;
}

.spot_slide_text {
  position: absolute;
  bottom: 46px;
  left: 50%;
  width: 100%;
  transform: translateX(-50%);
}

.slide_title {
  display: block;
  height: 20px;
  font-family: "Roboto";
  color: #323232;
  text-align: center;
}

.content {
  background-color: #fff;
}

.section,
.article_area {
  max-width: 1100px;
  margin: 0 auto;
  padding: 120px 50px 0;
  box-sizing: border-box;
}

.section_title {
  margin-bottom: 32px;
  font-family: "Roboto";
  font-size: 48px;
  color: #323232;
  line-height: 57px;
}

.article {
  overflow: hidden;
  max-width: 100%;
  margin-top: 120px;
  padding-bottom: 120px;
  background-color: #f0f2f6;
}

.article .section_title {
  margin-bottom: 33px;
  font-size: 36px;
  line-height: 42px;
}

.article_link {
  display: block;
}

.article_area {
  padding-top: 0;
}

.section_text {
  color: #646464;
  line-height: 32px;
  word-break: keep-all;
}

.section_text + .section_text {
  margin-top: 36px;
}

.content_platform {
  overflow: hidden;
}

.term {
  margin-bottom: 12px;
  font-family: "Roboto";
  font-size: 24px;
  font-weight: bold;
  color: #323232;
  line-height: 28px;
}

.img_alt {
  overflow: hidden;
  position: relative;
  width: 100%;
  height: 0;
  margin-top: 64px;
  padding-bottom: 48%;
}

.img_alt.img_alt_display {
  margin-top: 32px;
}

.img_alt.feature {
  padding-bottom: 36.1%;
}

.img_alt.img_feature {
  padding-bottom: 48%;
}

.img_alt.img_article {
  margin-top: 0;
  padding-bottom: 52.4%;
}

.img_alt img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.img_mo_alt {
  display: none;
}

.technology_area {
  width: 100%;
  margin-top: 67px;
  padding: 64px 0 66px;
  background-color: #3842bb;
}

.technology_title {
  display: block;
  margin-bottom: 48px;
  font-family: "Roboto";
  font-size: 24px;
  color: #fff;
  line-height: 28px;
  text-align: center;
}

.technology_list {
  font-size: 0;
  text-align: center;
}

.technology_item {
  display: inline-block;
  margin-left: 8%;
  font-family: "Roboto";
  font-size: 18px;
  font-weight: 300;
  color: #fff;
}

.technology_item:first-child {
  margin-left: 0;
}

.technology_item::before {
  display: block;
  width: 120px;
  height: 120px;
  margin: 0 auto 18px;
  content: "";
}

.map::before {
  background-position: -323px 0;
}

.local::before {
  background-position: -443px 0;
}

.perception::before {
  background-position: -323px -120px;
}

.plan::before {
  background-position: -443px -120px;
}

.relate_wrap::after {
  display: block;
  clear: both;
  content: "";
}

.relate_wrap li {
  float: left;
  position: relative;
  width: 31.7%;
  margin-left: 2.4%;
}

.relate_wrap li:first-child {
  width: 31.8%;
  margin-left: 0;
}

.relate_wrap img {
  width: 100%;
  height: 100%;
}

.article_title {
  display: -webkit-box;
  overflow: hidden;
  max-height: 84px;
  margin-top: 16px;
  font-size: 16px;
  font-weight: normal;
  color: #323232;
  line-height: 28px;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
}

.article_title span {
  display: block;
}

/* footer */
#footer .inner {
  overflow: hidden;
  width: auto;
  padding: 30px 30px 34px;
  box-sizing: border-box;
}

#footer {
  position: relative;
  z-index: 2;
  background: #fff;
}

#footer .logo {
  float: left;
  width: 127px;
  padding: 2px 0 0 0;
}

#footer .logo a {
  display: block;
  overflow: hidden;
  height: 13px;
  background: url("/img/alt/logo3.png") no-repeat;
  background-size: 100%;
  line-height: 999px;
}

#footer .menu_list {
  float: left;
  margin: -5px 0 0 55px;
}

#footer .menu_list li {
  float: left;
  margin-left: 16px;
}

#footer .menu_list li:first-child {
  margin-left: 0;
}

#footer .menu_list a {
  display: block;
  padding: 5px 7px;
  font-size: 13px;
  font-weight: 700;
  color: #676767;
}

#footer .copy {
  float: right;
  font-size: 12px;
  font-weight: 400;
  color: #c7c7c7;
}

@media screen and (max-width: 1599px) {
  .spot_area {
    height: 688px;
  }
  .spot_title_area {
    top: 160px;
  }
  .spot_title {
    width: 255px;
    height: 95px;
    margin: 0 auto 24px;
    background-position: 0 -145px;
  }
  .spot_slide {
    width: 1200px;
    height: 688px;
    margin: 0 auto;
    background: url(/img/alt/img_m_alt_0.png) no-repeat 50% 360px;
    background-size: 715px 220px;
  }
  .spot_slide_item.alt_d {
    background: url(/img/alt/img_mo_alt_d.png) no-repeat 61% -7px;
    background-size: 674px 342px;
  }
  .spot_slide_item.alt_s_shop {
    background: url(/img/alt/img_mo_alt_s_shopping.png) no-repeat 50% -6px;
    background-size: 548px 334px;
  }
  .spot_slide_item.alt_s_book {
    background: url(/img/alt/img_mo_alt_s_book.png) no-repeat 49.6% -6px;
    background-size: 552px 334px;
  }
  .spot_slide_item.alt_s_shoe {
    background: url(/img/alt/img_mo_alt_s_shoes.png) no-repeat 50% -6px;
    background-size: 548px 334px;
  }
  .spot_slide_item {
    height: 608px;
  }
  .slide_title {
    bottom: 33px;
  }
}
@media screen and (max-width: 1279px) {
  .technology_item::before,
  .logo_title .logo,
  .spot_title {
    background: url(/img/alt/sp_mo_alt_project.png) no-repeat;
    background-size: 255px 450px;
  }
  .spot_area {
    height: 668px;
  }
  .header_area {
    height: 60px;
  }
  .logo_title {
    padding-top: 24px;
  }
  .language {
    margin-top: 15px;
  }
  .logo_title .logo {
    width: 127px;
    height: 13px;
    background-image: url(/img/alt/NAVERLABS_LOGO_SMALL_BLACK.png);
    background-size: 127px 13px;
  }
  .spot_title_area {
    top: 140px;
  }
  .spot_title {
    width: 255px;
    height: 95px;
    background-position: 0 -17px;
  }
  .spot_slide_list {
    margin-top: 60px;
  }
  .spot_slide {
    width: 850px;
    height: 668px;
  }
  .spot_slide_item.alt_d {
    background-position: 83% 12px;
  }
  .spot_slide_item.alt_s_shop {
    background-position: 50% 13px;
  }
  .spot_slide_item.alt_s_book {
    background-position: 49.4% 13px;
  }
  .spot_slide_item.alt_s_shoe {
    background-position: 50% 13px;
  }
  .section {
    padding: 96px 40px 0;
  }
  .article_area {
    padding: 0 0 102px;
  }
  .section_title {
    margin-bottom: 26px;
    font-size: 36px;
    line-height: 42px;
  }
  .article .section_title {
    margin-bottom: 28px;
    font-size: 28px;
  }
  .img_alt {
    margin-top: 48px;
  }
  .img_alt.img_alt_display {
    margin-top: 24px;
  }
  .technology_area {
    margin-top: 51px;
  }
  .map::before {
    background-position: 0 -181px;
  }
  .local::before {
    background-position: -120px -181px;
  }
  .perception::before {
    background-position: 0 -301px;
  }
  .plan::before {
    background-position: -120px -301px;
  }
  .article {
    margin-top: 96px;
    padding-top: 92px;
  }
  .article_title {
    max-height: 72px;
    margin-top: 11px;
    font-size: 14px;
    line-height: 24px;
  }
}
@media screen and (max-width: 1024px) {
  #footer .logo {
    width: 95px;
    padding: 3px 0 0 0;
  }
  #footer .logo a {
    height: 10px;
  }
  #footer .menu_list {
    margin-left: 30px;
  }
  #footer .menu_list li {
    margin-left: 10px;
  }
}
@media screen and (max-width: 850px) {
  .spot_slide {
    width: 768px;
  }
  .spot_slide_item.alt_d {
    background-position: 112% 14px;
  }
  .technology_item {
    margin-left: 5%;
  }
}
@media screen and (max-width: 810px) {
  #footer .menu_list {
    margin-left: 20px;
  }
  #footer .menu_list a {
    font-size: 12px;
  }
}
@media screen and (max-width: 767px) {
  .pc_hide {
    display: block;
  }
  .spot,
  .spot_area {
    height: 640px;
  }
  .spot_title_area {
    top: 124px;
  }
  .spot_title {
    width: 160px;
    height: 60px;
    background-position: 0 -116px;
  }
  .slide_title {
    bottom: 25px;
    font-size: 16px;
  }
  .spot_sub_title {
    font-size: 20px;
    letter-spacing: 2px;
    line-height: 30px;
  }
  .header_area {
    padding: 0 16px;
  }
  .section {
    padding: 64px 16px 0;
  }
  .article {
    margin-top: 64px;
  }
  .article_area {
    padding: 0 0 64px;
  }
  .section_title {
    margin-bottom: 16px;
    font-size: 28px;
    line-height: 33px;
  }
  .section_text {
    font-size: 16px;
    line-height: 28px;
  }
  .spot_slide {
    width: 376px;
  }
  .spot_slide {
    height: 640px;
    background: url(/img/alt/img_m_alt_0_v2.png) no-repeat 50% 445px;
    background-size: 356px 110px;
  }
  .spot_slide_item {
    height: 640px;
  }
  .spot_slide_item.alt_d {
    background: url(/img/alt/img_mo_alt_d_v2.png) no-repeat 131% 242px;
    background-size: 339px 172px;
  }
  .spot_slide_item.alt_s_shop {
    background: url(/img/alt/img_mo_alt_s_shopping_v2.png) no-repeat 50% 241px;
    background-size: 276px 168px;
  }
  .spot_slide_item.alt_s_book {
    background: url(/img/alt/img_mo_alt_s_book_v2.png) no-repeat 49.6% 241px;
    background-size: 278px 168px;
  }
  .spot_slide_item.alt_s_shoe {
    background: url(/img/alt/img_mo_alt_s_shoes_v2.png) no-repeat 50% 241px;
    background-size: 276px 168px;
  }
  .pc_slide {
    display: none;
  }
  .mo_slide {
    display: block;
  }
  .img_alt {
    margin-top: 32px;
  }
  .img_alt.img_alt_display {
    width: 100%;
    margin: 16px auto 0;
    padding-bottom: 199.5%;
  }
  .img_alt.img_feature {
    width: 100%;
    margin: 32px auto 0;
    padding-bottom: 334%;
  }
  .img_pc_alt {
    display: none;
  }
  .img_mo_alt {
    display: block;
  }
  .technology_area {
    margin-top: 32px;
    padding: 48px 0;
  }
  .technology_title {
    margin-bottom: 32px;
    font-size: 20px;
    line-height: 30px;
  }
  .technology_list {
    width: 290px;
    margin: 0 auto;
  }
  .technology_item {
    margin-top: 35px;
    margin-left: 40px;
    font-size: 16px;
  }
  .technology_item::before {
    margin-bottom: 14px;
  }
  .technology_item:nth-child(1),
  .technology_item:nth-child(2) {
    margin-top: 0;
  }
  .technology_item:nth-child(1),
  .technology_item:nth-child(3) {
    margin-left: 0;
  }
  .article .section_title {
    margin-bottom: 24px;
    font-size: 24px;
    line-height: 30px;
  }
  .relate_wrap li {
    overflow: hidden;
    float: none;
    width: 100%;
    margin-top: 16px;
    margin-left: 0;
  }
  .relate_wrap li:first-child {
    width: 100%;
    margin-top: 0;
  }
  .relate_wrap img {
    float: left;
    width: 128px;
    height: 80px;
  }
  .article_title {
    margin-top: 1px;
    padding-left: 16px;
  }
}
@media all and (max-width: 720px) {
  #footer .inner {
    width: 370px;
    min-width: 0;
    margin: 0 auto;
    padding: 11px 0 18px;
  }
  #footer .logo {
    display: none;
  }
  #footer .copy {
    float: none;
    margin-top: 25px;
    font-size: 10px;
    text-align: center;
  }
  #footer .menu_list {
    float: none;
    margin: 0;
    font-size: 0;
    text-align: center;
    box-sizing: border-box;
  }
  #footer .menu_list li {
    display: inline-block;
    float: none;
    margin-left: 4px;
  }
  #footer .menu_list a {
    padding: 5px 4px;
    font-size: 12px;
  }
  #footer .box {
    margin-top: 8px;
  }
}
@media screen and (max-width: 375px) {
  .spot_slide {
    overflow: hidden;
    width: 375px;
  }
  .spot_slide_item.alt_d {
    background-position: 130% 242px;
  }
  #footer .inner {
    width: 290px;
  }
  #footer .menu_list {
    margin-top: 4px;
  }
  #footer .menu_list li:first-child {
    margin-left: 15px;
  }
  #footer .menu_list li:nth-child(3) {
    margin-right: 14px;
  }
  #footer .menu_list li:nth-child(4) {
    margin-left: 1px;
  }
}
@media screen and (max-width: 374px) {
  .spot_slide {
    overflow: hidden;
    width: 320px;
  }
  .img_alt_display {
    width: 288px;
  }
  .spot_slide_item.alt_d {
    background-position: -105% 242px;
  }
  .technology_item {
    margin-left: 20px;
  }
}