@charset "utf-8";

/* ----- common ----- */
html{
  scroll-behavior: smooth;
}
::selection{
  background-color: #6A9BC3;
}

.container{
  height: auto;
}
.inner01{
  width: calc(100% - 240px);
  margin: 0 auto;
  /* border: 1px solid red; */
}
.inner02{
  width: 1400px;
  margin: 0 auto;
  /* border: 1px solid blue; */
}
@media (max-width: 1500px){
  .inner01, .inner02{
    width: 80%;
  }
}
@media (max-width: 700px){
  .inner01, .inner02{
    width: 85%;
  }
}

.last_section{
  margin-bottom: 220px;
}


/* ----- title ----- */
.title_box{
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.title_up{
  width: 150px;
  height: 75px;
  margin-bottom: 1rem;
  display: flex;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.title_up::before{
  content: '';
  width: 150px;
  height: 150px;
  border: 1px solid #6A9BC3;
  border-radius: 100%;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.title_up span{
  line-height: 1.1;
  margin-top: 2.2rem;
  color: #6A9BC3;
  background-color: transparent;
  font-family: 'GowunBatang-Regular';
  font-size: 1.1rem;
  font-weight: bold;
  text-align: center;
}
.title_up .title_02{
  margin-top: 1.3rem;
}
.title_page{
  font-size: 3rem;
  font-weight: 700;
  position: relative;
}
.title_page::after{
  content: '';
  width: 1px;
  background-color: #ffffff;
  position: absolute;
  top: calc(100% + 1rem);
  left: 50%;
  transform: translateX(-50%);
  animation: footer_ani 5s infinite linear;
}

@media(max-width: 700px){
  .title_up{
    width: 120px;
    height: 60px;
    margin-bottom: 0.5rem;
  }
  .title_up::before{
    width: 120px;
    height: 120px;
  }
  .title_up span{
    margin-top: 1.5rem;
    font-size: 1rem;
  }
  .title_up .title_02{
    margin-top: 0.7rem;
  }
  .title_page{
    font-size: 2rem;
  }
}


/* ----- text ----- */
.txt_big{
  line-height: 1.3;
  font-size: 3rem;
  font-weight: 700;
}
.txt_small{
  line-height: 1.3;
  color: #A6C3DB;
  font-size: 1.1rem;
  font-weight: 200;
}
@media(max-width: 1400px){
  .txt_big{
    font-size: 2.5rem;
  }
  .txt_small{
    font-size: 1rem;
  }
}
@media(max-width: 1100px){
  .txt_big{
    font-size: 2rem;
  }
  .txt_small{
    font-size: 0.8rem;
  }
}
@media(max-width: 500px){
  .txt_big{
    font-size: 1.8rem;
  }
  .txt_small{
    font-size: 0.8rem;
  }
}
@media(max-width: 400px){
  .txt_big{
    font-size: 1.5rem;
  }
  .txt_small{
    font-size: 0.8rem;
  }
}


/* ----- btn ----- */
.btn_txt{
  color: #6A9BC3;
  font-family: 'GowunBatang-Regular';
  font-weight: bold;
  transition: 0.3s;
}
.btn_txt:hover{
  color: #ffffff;
}

.btn_sky, .btn_white{
  width: 150px;
  height: 150px;
  color: #6A9BC3;
  font-size: 1.1rem;
  font-weight: 700;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: 0.3s;
  animation: btn_ani 40s infinite ease-in;
}
@keyframes btn_ani{
  0%{
    transform: rotate(0deg);
  }
  100%{
    transform: rotate(360deg);
  }
}
.btn_white{
  color: #ffffff;
}
.btn_sky:hover{
  color: #ffffff;
  filter: brightness(10);
}
.btn_white:hover{
  opacity: 0.7;
}
.btn_sky::after, .btn_white::after{
  content: '';
  position: absolute;
  animation: btntxt_ani 40s infinite ease-in;
}
@keyframes btntxt_ani{
  0%{
    transform: rotate(360deg);
  }
  100%{
    transform: rotate(0deg);
  }
}

.btn_catalog{
  background: url(../assets/img/btn_catalog.png) no-repeat center / contain;
}
.btn_catalog::after{
  content: '카탈로그';
}
.btn_inquire{
  background: url(../assets/img/btn_inquire.png) no-repeat center / contain;
}
.btn_inquire::after{
  content: '문의하기';
}
.btn_download{
  background: url(../assets/img/btn_download.png) no-repeat center / contain;
}
.btn_download::after{
  content: '다운로드';
}
.btn_more{
  background: url(../assets/img/btn_more.png) no-repeat center / contain;
}
.btn_more::after{
  content: '→';
}

.btn_fixed{
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 10;
}

@media (max-width: 1100px){
  .btn_sky, .btn_white{
    width: 100px;
    height: 100px;
    font-size: 0.8rem;
  }
}
@media (max-width: 700px){
  .btn_fixed{
    display: none;
  }
}


/* ----- header ----- */
header,
.inner_header,
.nav_web,
.nav_web ul,
header .nav_web li,
header .nav_web li a{
  background-color: transparent;
}
header.color,
.inner_header.color,
.nav_web.color,
.nav_web ul.color,
header .nav_web li.color,
header .nav_web li a.color{
  background-color: #1E2930;
}
header{
  width: 100%;
  height: 80px;
  position: fixed;
  top: 0;
  transition: 0.3s;
  z-index: 1000;
}
header.off{
  top: -80px;
}
.inner_header{
  width: calc(100% - 120px);
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-rows: 1fr auto;
  grid-template-areas: "header_logo header_right";
}
.header_logo{
  grid-area: header_logo;
  width: 226px;
  height: 50px;
  margin-top: 20px;
  background: url('../assets/img/logo_white.png') no-repeat center / contain;
}

/* header .nav_web */
.nav_web{
  margin-left: auto;
  grid-area: header_right;
  z-index: 1000;
}
.nav_web ul{
  margin-top: 33px;
  display: flex;
  justify-content: space-around;
}

header .nav_web li{
  width: auto;
  text-align: left;
  z-index: 1100 !important;
}
.mainnav_li{
  margin-right: 40px;
}

header .nav_web li a{
  font-size: 0.8rem;
  transition: 0.3s;
}
header .nav_web li a:hover, .subnav li a:hover{
  color: #A6C3DB;
}
.mainnav{
  font-size: 1rem !important;
  font-weight: 700;
}
.mainnav_inquire{
  color: #6A9BC3;
}

.subnav_back{
  width: 100%;
  height: 12rem;
  border-bottom: 1px solid #6A9BC3;
  position: absolute;
  top: 80px;
  left: 0;
  z-index: 100;
}
.subnav_inner{
  line-height: 2;
  display: flex;
  flex-direction: column;
}

/* header .btn_menu */
.btn_menu{
  grid-area: header_right;
  width: 30px;
  height: 25px;
  margin: auto 0 auto auto;
  display: none;
  position: relative;
  cursor: pointer;
}
.btn_menu div{
  width: 30px;
  height: 2px;
  border-radius: 10px;
  background-color: #ffffff;
  position: absolute;
  transition: 0.3s;
}
.btn_menu div:nth-child(1){
  top: 0;
}
.btn_menu div:nth-child(2){
  top: 50%;
  transform: translateY(-50%);
}
.btn_menu div:nth-child(3){
  bottom: 0;
}
.btn_menu.active div:nth-child(1),
.btn_menu:hover div:nth-child(1){
  top: 50%;
  transform: rotate(45deg) translateY(-50%);
}
.btn_menu.active div:nth-child(2),
.btn_menu:hover div:nth-child(2){
  width: 0;
}
.btn_menu.active div:nth-child(3),
.btn_menu:hover div:nth-child(3){
  top: 50%;
  transform: rotate(-45deg) translateY(-50%);
}

/* header .nav_mobile */
.nav_mobile{
  display: none;
}

@media (max-width: 1100px){
  .nav_web{
    display: none;
  }
  .btn_menu{
    display: block;
  }

  /* header .nav_mobile */
  .nav_mobile{
    width: 100%;
    height: calc(100vh - 80px);
    margin: 80px 0;
    padding-bottom: 100px;
    overflow: scroll;
    position: absolute;
    left: 0;
    z-index: 1000;
  }
  .nav_mobile ul{
    margin-top: 33px;
    display: flex;
    flex-direction: column;
  }
  header .nav_mobile li, header .nav_mobile li a{
    text-align: center;
    z-index: 1100 !important;
  }
  .nav_mobile li .mainnav{
    margin: 40px auto 0 auto;
    color: #6A9BC3;
    font-size: 1.25rem;
    display: block;
  }
  .nav_mobile li a:hover{
    color: #A6C3DB;
    font-weight: 800;
  }
  .nav_mobile .subnav_inner{
    margin-top: 10px;
  }
  .nav_mobile .subnav ul li{
    margin: 0 auto;
  }
}
@media (max-width: 700px){
  .inner_header{
    width: 90%;
  }
}
@media (max-width: 500px){
  .header_logo{
    max-width: 50vw;
    height: 30px;
    margin-top: 30px;
  }
}


/* ----- footer ----- */
footer{
  width: 100%;
  height: auto;
  border-top: 1px solid #6A9BC3;
  background-color: #1E2930;
  position: relative;
  z-index: 100;
}
footer .inner01{
  padding: 90px 0 120px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
footer .inner01::after{
  content: '';
  width: 1px;
  background-color: #6A9BC3;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  animation: footer_ani 5s infinite linear;
}
@keyframes footer_ani{
  0%{
    height: 50px;
  }
  70%{
    height: 80px;
  }
  100%{
    height: 50px;
  }
}

.footer_slogan{
  width: 100%;
  margin: 3rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer_slogan p{   
  line-height: 1.3;
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
}

.footer_info{
  color: #6A9BC3;
  text-align: center;
}
.footer_info p{
  line-height: 1.5;
  color: #6A9BC3;
}
.footer_info span{
  margin-top: 2rem;
  color: #6A9BC3;
  font-size: 0.7rem;
  display: inline-block;
}
@media (max-width: 1100px){
  .footer_slogan{
    margin: 3rem 0;
    flex-direction: column;
  }
  .footer_slogan p{
    margin: 2rem 0;
    font-size: 1.5rem;
  }
  .footer_info span{
    margin-top: 1.5rem;
  }
}
@media (max-width: 1100px){
  .footer_slogan{
    margin: 2rem 0;
  }
  .footer_slogan p{
    font-size: 1rem;
  }
  .footer_info p{
    font-size: 0.8rem;
  }
  .footer_info span{
    font-size: 0.6rem;
  }
}