@charset "UTF-8";

/* reset.css */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: #222;
}

a:any-link {
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  border: none;
  outline: none;
  background: none;
}

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

.hidden {
  position: absolute;
  line-height: 0;
  left: -9999px;
  display: none;
}

/* main */

body,
html {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: clamp(12px, 2vw, 20px);
  color: #222;
  line-height: 1.6;
  scroll-behavior: smooth;
}

h2.nomal_sf,
h3.nomal_sf {
  font-weight: 700;
}

.scroll_fade {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease-out;
}

.scroll_fade.on {
  opacity: 1;
  transform: translateY(0);
}

/* header */

.header {
  width: 100%;
  height: 80px;
  position: fixed;
  top: 0;
  display: flex;
  background-color: #fff2;
  transition: all 0.3s;
  padding: 0 5rem;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(2px);
  z-index: 10;
}

.logo {
  height: 80px;
}

.logo h2 a {
  display: block;
  height: 100%;
  font-size: 1.5rem;
  line-height: 80px;
  color: #111;
}

.scroll_down .logo h2 a {
  color: #000;
}

#lnb {
  display: block;
  height: 80px;
}

#lnb ul {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(3vw, 7vw, 15vw);
}

#lnb ul li a {
  display: block;
  line-height: 80px;
}

#lnb ul li a:hover {
  text-decoration: underline;
  text-underline-offset: 6px;
}

@media (max-width: 1024px) {
  #lnb {
    display: none;
  }
}

/* section */

section {
  margin-top: 80px;
}

/* approach */

.approach {
  width: 100%;
  height: 100vh;
  position: sticky;
  top: 0;
  left: 0;
  z-index: -1;
  /* 배경예정 */
  /* background-image: url(../img/main/AI_bgr.png);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  background-color: #fff5;
  backdrop-filter: blur(6px); */
}

.textbox_1 {
  width: 80%;
  position: relative;
  top: 30%;
  left: 10%;
}

.textbox_1 h3 {
  font-size: 3rem;
  text-shadow: 0px 0px 6px #0003;
}

.textbox_1 h5 {
  font-size: 1.2rem;
  line-height: 1.8;
}

.approach_bck {
  width: 100%;
  height: 100vh;
  position: absolute;
  top: 0px;
  left: 0;
}

.approach_bck img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 768px) {
  .textbox_1 h3 {
    text-align: center;
    font-size: 4rem;
  }
}

/* about */

#about {
  background-color: #fff;
  width: 100%;
  min-height: 100vh;
  box-shadow: 0px -50px 40px #fff,
  0px 50px 40px #fff;
}

#about > h3 {
  font-size: 1.6rem;
  line-height: 1.6rem;
  margin: 0 10vw;
  padding: 80px 0;
}

.about_contents {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  column-gap: 2vw;
  row-gap: 0vw;
  margin: 0 10vw;
}

.text_about {
  grid-column: 1 / span 4;
}

.text_about h5 {}

.text_about p {
  font-size: 1rem;
}

.robot_box {
  position: relative;
  grid-column: 5 / span 3;
}

/*  */
@media (max-width: 1024px) {
  .text_about {
    grid-column: 1 / -1;
  }

  .robot_box {
    display: none;
  }
}

@media (max-width: 768px) {

  .text_about p {
    font-size: 1.5rem;
  }

}

.robot_png {
  width: 100%;
  height: 100%;
  max-height: 100%;
  object-fit: contain;
  position: absolute;
}

.tool_slide {
  margin: 3rem 0;
  max-width: 80vw;
  grid-column: 1 / -1;
  overflow: hidden;
  position: relative;
}

.track_inner {
  display: flex;
  width: max-content;
  animation: scrollLeft 20s linear infinite;
}

.tool_slide ul {
  display: flex;
  width: max-content;
  flex-wrap: nowrap;
  justify-content: flex-start;
}

@keyframes scrollLeft {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

.tool_slide ul li {
  height: clamp(2.6rem, 6vw, 5rem);
  margin-right: clamp(2rem, 2vw, 2.6rem);
  transition: all 0.3s;
}

/* .tool_slide ul li:last-child {
  margin-right: 0;
} */

.tool_slide ul li img {
  height: 100%;
}

.tool_slide ul li:hover {
  transform: scale(0.9);
}

/* bck_project */

/* .bck_project {
  width: 100%;
  height: 100vh;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  background: linear-gradient(to bottom, #fefefe, #eee, #fefefe);
}

.h2_prjt {
  font-size: 6rem;
  color: #8787ff55;
  position: absolute;
  top: 60%;
  left: 50%;
  transform: translateX(-50%);
} */

/* project */

#project {
  width: 100%;
  position: relative;
  scroll-margin-top: -50px;
}

.project_wrap {
  width: 80%;
  margin: 0 10%;
  padding-top: calc(4vw + 80px);
  padding-bottom: 4vw;
  position: relative;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 2vw;
  row-gap: 4vw;
}

.project_card {}

.project_box {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 0.5rem;
  position: relative;
  overflow: hidden;
}

.project_box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: all 0.4s;
}

.project_box:hover img {
  filter: brightness(90%) blur(4px);
}

.project_box:hover ul {
  display: block;
}

.project_img {
  overflow: hidden;
  border-radius: 0.5rem;
}

.project_box ul {
  display: none;
  transition: all 0.3S;
  position: absolute;
  bottom: 10%;
  left: 10%;
}

.project_box ul li {
  transition: all 0.2s;
}

.project_box ul li a {
  color: #fff;
  font-size: 1.2rem;
  text-shadow: 1px 1px 1px #000;
}

.project_box ul li a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.pjt_text {
  padding: 1rem 1rem;
}

.pjt_text h3 {
  font-size: clamp(1rem, 2vw, 1.4rem);
}

#jomalone {}

#capcom {}

#little_work {
  width: 100%;
  grid-column: 1 / -1;
}

#little_work > h3 {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  line-height: 3;
  text-shadow: 1px 1px 1px #0006;
}

.little_works {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2vw;
}
.little_works li {
  border-radius: 0.5rem;
  border: 0.2rem solid #eee;
  overflow: hidden;
  transition: all 0.3s;
  background-color: color-mix(in srgb, white 85%, #f5e9dc 15%);
}
.little_works li a {
  display: block;
}

.little_works li:hover {
  transform: scale(1.02);
  border-color: #fff;
  box-shadow: 2px 2px 6px #0006;
}

.little_img {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background-color: #fff;
}
.little_img img {
  width: 100%;
  object-fit: cover;
}
.little_text {
  font-size: clamp(0.8rem, 2vw, 1.4rem);
  padding: 1rem;
}

@media (max-width: 768px) {
  .project_wrap {
    grid-template-columns: repeat(1, 1fr);
    column-gap: 0;
    row-gap: 4vw;
  }

  .project_card {
    width: 100%;
  }

  .project_box ul li a {
    font-size: 2.4rem;
  }

  .project_box ul li a:hover {
    text-underline-offset: 6px;
  }

  .project_card.clicked .project_box img {
    filter: brightness(90%) blur(4px);
  }

  .project_card.clicked > .project_box > ul {
    display: block;
  }

  .little_works {
    grid-template-columns: repeat(1, 1fr);
  }

  .little_text {
    font-size: 1.4rem;
  }
}


/* contact */

#contact {
  width: 100%;
  height: 100vh;
  position: relative;
}

.text_contact {
  padding: 0 clamp(6vw, 10vw, 14vw);
  position: relative;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.text_contact h2 {}

.recommend {
  font-size: clamp(1.2rem, 2vw, 1.4rem);
}

.text_contact h3 {
  font-size: 2.4rem;
  line-height: 3;
}

.to_me {
  font-size: 1rem;
}

.footer {
  position: absolute;
  bottom: 3rem;
}

address {
  margin: 0 10vw;
  font-size: 100%;
  font-style: normal;
  font-size: 0.5rem;
  background-color: transparent;
}

@media (max-width: 768px) {

  .recommend {
    font-size: 1.2rem;
  }

  address {
    font-size: 0.8rem;
  }
}