/* Basic Set-up */
@font-face {
  font-family: 'Pretendard-Regular';
  src: url('https://cdn.jsdelivr.net/gh/Project-Noonnu/noonfonts_2107@1.1/Pretendard-Regular.woff') format('woff');
  font-weight: 400;
  font-style: normal;
}
@font-face {
  font-family: 'S-CoreDream-7ExtraBold';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_six@1.2/S-CoreDream-7ExtraBold.woff') format('woff');
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: 'ChosunKg';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_20-04@1.0/ChosunKg.woff') format('woff');
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: 'S-CoreDream-2ExtraLight';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_six@1.2/S-CoreDream-2ExtraLight.woff') format('woff');
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: 'S-CoreDream-3Light';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_six@1.2/S-CoreDream-3Light.woff') format('woff');
  font-weight: normal;
  font-style: normal;
}
html {
  font-family: 'Pretendard-Regular' !important;
}

/* BODY */
.top_end .top_title {
  margin-top: 200px;
  font-weight: 700;
  font-size: 14px;
  text-align: center;
}
.top_end hr {
  width: 15px;
  height: 4px;
  background-color: #c8c8c8;
  border: none;
  margin-bottom: 60px;
}
.top_end_con {
  display: flex;
  max-width: 1000px;
  max-height: 410px;
  margin: 0 auto;

}
.top_end_con .text_box{
  max-width: 600px;
  width: 40vw;
  max-height: 600px;
  justify-content: left;
  margin-left: 15%;
}
.top_end_con .text_box .title1 {
  font-weight: 700;
  font-size: 14px;
  text-align: left;
  color: #213e8d;
}
.top_end_con .text_box .desc1 {
  padding-top: 40px;
  text-align: left;
  font-size: 12px;
}
.top_end_con .text_box .desc1 span {
  color: #213e8d;
}
.top_end_con .imgbox {
  background-image: url(/images/TECH/psa_nitro_1.jpg);
  max-width: 400px;
  max-height: 400px;
  width: 40vw;
  height: 40vh;
  background-size: 90%;
  background-repeat: no-repeat;
}
.top_con .text_box .tb_imgbox1 {
  max-width: 1000px;
  width: 80vw;
  max-height: 700px;
  margin: 150px auto;
  display: flex;
}
.top_con .text_box .tb_imgbox1 .tb_textbox {
  width: 50vw;
}
.top_con .text_box .tb_imgbox1 .tb_textbox .title { 
  font-weight: 700;
  font-size: 14px;
  text-align: left;
  margin-bottom: 30px;
}
.top_con .text_box .tb_imgbox1 .tb_textbox .desc {
  text-align: left;
  font-size: 12px;
}
.top_con .text_box .tb_imgbox1 .img {
  max-width: 380px;
  width: 60%;
  margin-right: 10%;
  margin-top: 5%;
  max-height: 400px;
  background-size: 100%;
  background-repeat: no-repeat;
  background-image: url(/images/TECH/psa_nitro_2.png);
}
.top_con .text_box .down_arrow {
  max-width: 100px;
  width: 20vw;
  height: 20vh;
  max-height: 100px;
  background-size: 100%;
  background-image: url(/images/TECH/down_arrow.png);
  background-repeat: no-repeat;
  margin: 30px auto 30px;
}
.top_con .text_box .tb_imgbox2 {
  max-width: 1000px;
  max-height: 500px;
  width: 80vw;
  height: 40vh;
  margin: 100px auto;
  display: flex;
}
.top_con .text_box .tb_imgbox2 .tb_textbox {
  width: 50vw
}
.top_con .text_box .tb_imgbox2 .img {
  width: 300px;
  height: 400px;
  width: 60%;
  background-size: 100%;
  margin-top: 20px;
  background-repeat: no-repeat;
  background-image: url(/images/TECH/psa_nitro_3.jpg);
}
.top_con .text_box .tb_imgbox2 .tb_textbox .title { 
  font-weight: 700;
  font-size: 14px;
  text-align: left;
  margin-top: 30px;
  margin-bottom: 30px;
}
.top_con .text_box .tb_imgbox2 .tb_textbox .desc {
  text-align: left;
  font-size: 12px;
}

.system_config .title {
  font-weight: 700;
  font-size: 14px;
  text-align: center;
}
.system_config hr {
  background-color: #c8c8c8;
  width: 15px;
  height: 4px;
  border: none;
  margin-bottom: 50px;
}
.system_config .img {
  background-image: url(/images/TECH/psa_nitro_4.png);
  max-width: 700px;
  max-height: 300px;
  width: 90vw;
  height: 15vh;
  background-size: 100%;
  margin: 0 auto;
  background-repeat: no-repeat;
}

@media only screen and (min-width: 400px) {
  .top_con .text_box .tb_imgbox1 .img {
    margin-top: 0;
  }
}
@media only screen and (min-width: 768) {
  .top_end .top_title {
    font-size: 20px;
  }
  .top_end_con .text_box{
    width: 35vw;
  }
  .top_end_con .text_box .title1 {
    font-size: 22px;
  }
  .top_end_con .text_box .desc1 {
    font-size: 16px;
  }
  /* image 1 */
  .top_con .text_box .tb_imgbox1 {
    width: 70vw;
    height: 40vh;
  }
  .top_con .text_box .tb_imgbox1 .tb_textbox {
    width: 35vw;
  }
  .top_con .text_box .tb_imgbox1 .tb_textbox .title { 
    padding-top: 30%;
  }
  .top_con .text_box .tb_imgbox1 .tb_textbox .desc {
    font-size: 14px;
  }
  .top_con .text_box .tb_imgbox1 .img {
    width: 35%;
    margin-top: 5%;
  }
  /* image2 */
  .top_con .text_box .tb_imgbox2 {
    width: 70vw;
  }
  .top_con .text_box .tb_imgbox2 .tb_textbox {
    width: 40vw
  }
  .top_con .text_box .tb_imgbox2 .img {
    width: 50%;
  }
  .top_con .text_box .tb_imgbox2 .tb_textbox .title { 
    font-size: 16px;
  }
  .top_con .text_box .tb_imgbox2 .tb_textbox .desc {
    font-size: 14px;
  }
  /* system configurations */
  .system_config .title {
    font-size: 18px;
  }
  .system_config .img {
    height: 20vh;
  }
}
@media only screen and (min-width: 1024px) {
  .top_end .top_title {
    font-size: 24px;
  }
  .top_end_con .text_box{
    width: 30vw;
    margin-right: 2.5%;
  }
  .top_end_con .text_box .title1 {
    font-size: 24px;
  }
  .top_end_con .text_box .desc1 {
    font-size: 20px;
  }
  /* image 1 */
  .top_con .text_box .tb_imgbox1 .tb_textbox .title { 
    font-size: 24px;
  }
  .top_con .text_box .tb_imgbox1 .tb_textbox .desc {
    font-size: 20px;
  }
  /* image2 */
  .top_con .text_box .tb_imgbox2 {
    width: 70vw;
  }
  .top_con .text_box .tb_imgbox2 .tb_textbox {
    width: 40vw
  }
  .top_con .text_box .tb_imgbox2 .img {
    width: 50%;
  }
  .top_con .text_box .tb_imgbox2 .tb_textbox .title { 
    font-size: 24px;
  }
  .top_con .text_box .tb_imgbox2 .tb_textbox .desc {
    font-size: 20px;
  }
  /* system configurations */
  .system_config .title {
    font-size: 24px;
  }
}


/* Horizontal Mode */
@media only screen and (min-width: 568px) and (min-height: 320px) {
  .top_end_con {
    width: 65vw;
  }
  .top_end_con .text_box{
    width: 30vw;
    margin-right: 10%;
    margin-left: 0;
  }
  .top_end_con .imgbox {
    width: 25vw;
    height: 52vh;
  }
  /* image 1 */
  .top_con .text_box .tb_imgbox1 {
    width: 70vw;
    height: 70vh;
  }
  .top_con .text_box .tb_imgbox1 .tb_textbox .title {
    padding-top: 10%; 
  }
  /* arrow */
  .top_con .text_box .down_arrow {
    width: 10vw;
    height: 20vh;
  }
  /* image2 */
  .top_con .text_box .tb_imgbox2 {
    width: 70vw;
    height: 70vh;
  }
  .top_con .text_box .tb_imgbox2 .tb_textbox {
    width: 40vw
  }
  .top_con .text_box .tb_imgbox2 .img {
    width: 40%;
    margin-right: 10%;
  }
  .top_con .text_box .tb_imgbox2 .tb_textbox .title { 
    font-size: 14px;
  }
  .top_con .text_box .tb_imgbox2 .tb_textbox .desc {
    font-size: 12px;
  }
  /* system configurations */
  .system_config .title {
    font-size: 14px;
  }
  .system_config .img {
    height: 45vh;
  }
}
@media only screen and (min-width: 736px) and (min-height: 414px) {
  /* top title */
  .top_end .top_title {
    font-size: 24px;
  }
  .top_end_con .text_box .title1 {
    font-size: 20px;
  }
  .top_end_con .text_box .desc1 {
    font-size: 16px;
  }
  /* image 1 */
  .top_con .text_box .tb_imgbox1 .tb_textbox .title {
    padding-top: 25%;
    font-size: 20px;
  }
  .top_con .text_box .tb_imgbox1 .tb_textbox .desc {
    font-size: 16px;
  }
  /* arrow */
  .top_con .text_box .down_arrow {
    width: 10vw;
    height: 20vh;
  }
  /* image2 */
  .top_con .text_box .tb_imgbox2 .tb_textbox .title { 
    font-size: 20px;
  }
  .top_con .text_box .tb_imgbox2 .tb_textbox .desc {
    font-size: 16px;
  }
  .system_config .title {
    font-size: 20px;
  }
}
@media only screen and (min-width: 812px) and (min-height: 375px) {
  /* image 1 */
  .top_con .text_box .tb_imgbox1 .tb_textbox .title {
    padding-top: 30%;
    font-size: 16px;
  }
  .top_con .text_box .tb_imgbox1 .img {
    width: 25vw;
    height: 70vh;
  }
  .top_con .text_box .down_arrow {
    height: 25vh;
  }
}
@media only screen and (min-width: 1024px) and (min-height: 768px) {
  .top_end .top_title {
    font-size: 24px;
  }
  .top_end_con .text_box .title1 {
    font-size: 22px;
  }
  .top_end_con .text_box .desc1 {
    font-size: 18px;
  }
  .top_con .text_box .tb_imgbox1 .tb_textbox .title {
    padding-top: 15%;
    font-size: 22px;
  }
  .top_con .text_box .tb_imgbox1 .tb_textbox .desc {
    font-size: 18px;
  }
  .top_con .text_box .tb_imgbox2 .tb_textbox .title { 
    font-size: 20px;
  }
  .top_con .text_box .tb_imgbox2 .tb_textbox .desc {
    font-size: 18px;
  }
  .system_config .title {
    font-size: 20px;
  }
}
@media only screen and (min-width: 1366px) and (min-height: 1024px) {
  .top_end .top_title {
    font-size: 24px;
  }
  .top_end_con .text_box .title1 {
    font-size: 22px;
  }
  .top_end_con .text_box .desc1 {
    font-size: 20px;
  }
  .top_con .text_box .tb_imgbox1 .tb_textbox .title {
    padding-top: 15%;
    font-size: 22px;
  }
  .top_con .text_box .tb_imgbox1 .tb_textbox .desc {
    font-size: 20px;
  }
  .top_con .text_box .tb_imgbox1 .img {
    width: 22.5vw;
  }
  .top_con .text_box .tb_imgbox2 .tb_textbox .title { 
    font-size: 22px;
  }
  .top_con .text_box .tb_imgbox2 .tb_textbox .desc {
    font-size: 20px;
  }
  .system_config .title {
    font-size: 22px;
  }
}