main {
  position: relative;
  width: 100%;
  height: 100%;
}

/* mainSection1 */
.prpSection1 {
  position: relative;
  width: 100%;
  min-height: 100dvh;
  background-color: var(--background-color);
  color: var(--white);
}

.prpSection1 video {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.section1-lists {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(2rem, 1vw, 4rem);
  position: absolute;
  bottom: 10%;
  z-index: 1;
  list-style-type: none;
  padding: 0 clamp(1.6rem, 5vw, 4rem);
  overflow-wrap: break-word;
  word-wrap: break-word;
  hyphens: auto;
}

.shape br {
  display: none;
}
.section1-lists div {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(2rem, 1vw, 4rem);
  list-style-type: none;
  overflow-wrap: break-word;
  word-wrap: break-word;
  hyphens: auto;
}

.section1-lists li,
.section1-lists div li {
  position: relative;
  font-family: "Inter", sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: 18px;
  line-height: clamp(2.3rem, 1vw, 2.5rem);
  text-align: center;
  color: var(--white);
  text-shadow: 0px 0px 250px var(--main-font-color),
    0px 0px 250px var(--main-font-color), 0px 0px 250px var(--main-font-color),
    0px 0px 250px var(--main-font-color), 0px 0px 139.5px var(--main-font-color),
    0px 0px 69.75px var(--main-font-color);
}

.section1-lists div li::before {
  content: "";
  position: absolute;
  width: 0.323rem;
  height: 0.323rem;
  left: calc((clamp(2rem, 1vw, 4rem) / 2) * -1);
  top: 50%;
  background: var(--main-font-color);
  box-shadow: 0px 0px 12.2059px var(--main-font-color),
    0px 0px 6.97482px var(--main-font-color),
    0px 0px 4.06865px var(--main-font-color),
    0px 0px 2.03432px var(--main-font-color),
    0px 0px 0.581235px var(--main-font-color),
    0px 0px 0.290618px var(--main-font-color);
  transform: rotate(36.55deg) translateX(-50%);
}

.bottom-structure {
  position: absolute;
  width: 100%;
  bottom: 0;
  z-index: 2;
}

.hand_back {
  position: relative;
  width: 100%;
  height: 100%;
  background: url("/home_assets/img/main/mainSection2-3.png") no-repeat
    top/cover;
}

/* mainSection2 */
.prpSection2 {
  width: 100%;
  height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 clamp(1.6rem, 5vw, 4rem);
}

.intro-text {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 0.8rem;
  z-index: 1;
  transform: translateY(-15%);
}

.intro-text p {
  font-family: "Inter", sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: clamp(1.2rem, 2vw, 2.4rem);
  line-height: 2.9rem;
  text-align: center;
}

/* mainSection3 */
.prpSection3 {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100dvh;
  padding: 0 clamp(2.4rem, 5vw, 4rem);
}

.section3-container {
  position: relative;
  width: 100%;
  max-width: 144rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 28%;
}

.prp h1 {
  font-family: "Modern No. 20", sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: 12.8rem;
  line-height: 13.7rem;
  color: #62615f;
}

.prp h2 {
  font-family: "Inter", sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: 2.4rem;
  line-height: 2.9rem;
  color: #716e6a;
}

.flower {
  position: absolute;
  right: 0%;
  top: 30%;
}

.about-name {
  margin-bottom: 1.6rem;
}

.about-text .company-prefix {
  font-family: "Inter", sans-serif;
  font-style: normal;
  font-weight: 400;
  color: var(--light-black);
  font-size: 2.4rem;
  font-size: clamp(1.4rem, 2vw, 2.4rem);
  line-height: 2.9rem;
}

.about-text .company-name {
  font-family: "Inter", sans-serif;
  font-style: normal;
  font-weight: 400;
  color: var(--light-black);
  font-size: 3.2rem;
  font-size: clamp(1.4rem, 3vw, 3.2rem);
  line-height: 3.9rem;
}

.about-text .company-desc {
  font-family: "Inter", sans-serif;
  font-style: normal;
  font-weight: 400;
  color: var(--light-black);
  font-size: 2rem;
  font-size: clamp(1.2rem, 2vw, 2rem);
  line-height: 2.4rem;
  color: #626262;
}

/* mainSection4 */
.prpSection4 {
  position: relative;
  width: 100%;
  height: 100dvh;
  background-color: var(--background-color);
}

.prpSection4 video {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.section4-txt {
  height: 200px;
  width: 100%;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  font-family: "Inter", sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: clamp(1.4rem, 1vw, 2rem);
  text-align: center;
  color: #fff9e8;
  z-index: 1;
  padding: 0 clamp(1.6rem, 5vw, 4rem);
  overflow-wrap: break-word;
  word-wrap: break-word;
  hyphens: auto;
  display: flex;
  flex-direction: column;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.7) 100%
  );
}

.section4-txt .prp-is {
  font-family: "Inter", sans-serif;
  font-size: clamp(1.4rem, 1.5vw, 2.4rem);
}

/* mainSection5 */
.prpSection5 {
  width: 100%;
  height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--background-color);
}

.section5-container {
  width: 100%;
  max-width: 144rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2.4rem, 5vw, 4rem);
  gap: 1.6rem;
}

.section5-title {
  display: flex;
  justify-content: flex-start;
  align-items: flex-end;
  color: #ffffff;
}

.section5-title h1 {
  font-family: "Modern No. 20", sans-serif;
  font-size: 6.4rem;
  font-weight: 400;
  font-style: normal;
  transform: translateY(1rem);
}

.science-act {
  display: flex;
  gap: 0.8rem;
}

.science-act h2,
.science-act h3 {
  font-family: "Inter", sans-serif;
  font-weight: 400;
  font-size: 2rem;
  font-style: normal;
}

.act-contents {
  width: 100%;
  height: auto;
  display: flex;
  justify-content: space-between;
  gap: 12%;
}

.act-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 0.4rem;
}

.act-list {
  width: 100%;
  display: flex;
  justify-content: space-between;
  color: var(--main-font-color);
}

.act-num,
.act-date {
  font-family: "Inter", sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: clamp(1.1rem, 0.6vw, 1.4rem);
  line-height: 1.7rem;
}

.act-image {
  width: 100%;
  overflow: hidden;
}

.act-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
}

.act-title {
  width: 100%;
  font-family: "Inter", sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: 1.4rem;
  line-height: 1.7rem;
  color: var(--sub-font-color);

  padding: 0.6rem 0 1.2rem 0;
}

.act-desc {
  width: 100%;
  font-family: "Inter", sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: 1.4rem;
  line-height: 1.7rem;
  color: var(--white);
  border-top: 0.1rem solid var(--white);
  padding-top: 0.9rem;
}

@media (max-width: 768px) {
  /* section2-3 */
  .hand_back {
    position: relative;
    width: 100%;
    height: 200vh;
    background: url("/home_assets/img/main/mainSection2-3_mobile.png") no-repeat
      center/cover;
  }

  .hand_back::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    min-height: 22.2rem;
    background: linear-gradient(
      180deg,
      rgba(246, 246, 246, 0) 0%,
      rgba(195, 199, 200, 0.8) 29.58%,
      rgba(137, 151, 154, 0.8) 57.08%,
      rgba(60, 78, 92, 0.8) 83.63%,
      rgba(25, 42, 55, 0.8) 100%
    );
  }

  .section1-lists {
    flex-direction: column;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    position: absolute;
    bottom: 10%;
    z-index: 1;
    list-style-type: none;
    padding: 0 clamp(1.6rem, 5vw, 4rem);
    overflow-wrap: break-word;
    word-wrap: break-word;
    hyphens: auto;
  }

  .shape br {
    display: block;
  }

  .section1-lists .shape {
    position: relative;
    padding-left: 1rem;
    width: 100%;
  }

  .section1-lists div {
    gap: 0.5em;
  }

  .section1-lists div li::before {
    content: "";
    display: none;
  }

  /* section2 */
  .prpSection2 {
    background: none;
  }

  /* section3 */
  .prpSection3 {
    background: none;
  }

  .section3-container {
    gap: 5%;
  }

  .prp h1 {
    font-size: 3.2rem;
    line-height: 34px;
  }

  .prp h2 {
    font-size: 1rem;
    line-height: 1.2rem;
  }

  .flower {
    display: none;
  }

  .about-text .company-prefix {
    font-weight: 100;
    font-size: 1.4rem;
    line-height: 1.7rem;
  }

  .about-text .company-name {
    font-weight: 500;
    font-size: 1.4rem;
    line-height: 1.7rem;
  }

  .about-text .company-desc {
    font-weight: 400;
    font-size: 1.2rem;
    line-height: 1.5rem;
  }

  .intro-text {
    flex-direction: column;
    align-items: center;
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    line-height: 1.5rem;
    transform: translateY(18rem);
    gap: 0;
  }

  .section4-txt {
    font-size: 13px;
  }

  /* section4 */
  .section4-txt br {
    display: block;
  }

  /* section5 */
  .prpSection5 {
    height: auto;
  }

  .act-contents {
    flex-direction: column;
    gap: 3.6rem;
  }

  .section5-title {
    gap: 0.8rem;
  }

  .science-act {
    flex-direction: column;
    line-height: normal;
    gap: 0;
  }

  .science-act h2 {
    font-size: 0.8rem;
    line-height: 1.3rem;
  }

  .science-act h2 {
    font-size: 1.2rem;
    line-height: 1.3rem;
  }

  .act-item {
    height: 100%;
  }

  .act-list {
    order: 3;
    height: auto;
  }

  .act-image {
    order: 2;
    display: block;
    width: 100%;
    aspect-ratio: 341/180;
  }

  .act-image img {
    width: 100%;
    height: 100%;
  }

  .act-title {
    order: 1;
    padding-bottom: 0;
  }

  .act-desc {
    order: 4;
    padding-top: 1.2rem;
  }
}