* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans KR", sans-serif;
  color: #1d1d1f;
}

.container {
  display: flex;
  flex-direction: column;
}

.hero-video-section__video {
  /* TODO */
  width: 100%;
  height: 100vh;
  object-fit: cover;
}
.hero-text-section {
  text-align: center;
  width: 980px;
  margin: 32px auto 0;
  font-size: 30px;
  line-height: 1.3;
  font-weight: 600;
  padding: 0 15%;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  word-break: keep-all;
}
.color-section {
  width: 980px;
  margin: 200px auto 0;
  padding: 0 10%;
  font-size: 52px;
  line-height: 1.3;
  font-weight: 600;
}
.color-section__bottom-row {
  /* TODO */
  height: calc(52px * 1.3);
  overflow: hidden;
}
.color-section__color-text {
  display: inline-flex;
  flex-direction: column;
  min-width: 280px;
  transition: transform 0.3s ease-in-out; /* TODO */
}

.thin-section {
  padding-top: 80px;
  position: relative; /* TODO */
  width: 980px;
  height: 300vh;
}
.thin-section__text-wrapper {
  position: sticky; /* TODO */
  top: 80px; /* TODO */
  margin-left: 50%;
}
.thin-section__text {
  font-size: 52px;
  line-height: 1.3;
  font-weight: 600;
  transform-origin: 0px 0px; /* TODO */
}

.display-section {
  position: relative; /* TODO */
}
.display-section__white-cover {
  width: 100vw;
  height: 100vh;
  background-color: white;
  position: absolute; /* TODO */
  top: 0; /* TODO */
  z-index: 5; /* TODO */
}
.display-section__image {
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  position: sticky; /* TODO */
  top: 0; /* TODO */
}
.display-section__text {
  width: 100%;
  text-align: center;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 60px;
  line-height: 1.3;
  font-weight: 600;
  color: white;
  opacity: 0;
}
.display-section__image-space {
  height: 100vh;
}
.display-section__empty-space {
  background-color: white;
  height: 500vh;
}

.color-green {
  color: #10505b;
}
.color-yellow {
  color: #d48207;
}
.color-orange {
  color: #e36942;
}
.color-pink {
  color: #b72c31;
}
.color-purple {
  color: #353a71;
}
.color-blue {
  color: #25476d;
}
.color-silver {
  color: #a1a1a6;
}
.gradient-text {
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-position: 116px 50%;
  background-size: 100%;
  background-image: linear-gradient(
    120deg,
    #a1a1a6 0%,
    #10505b 40%,
    #d48207 65%,
    #e36942 73%,
    #b72c31 82%,
    #353a71 93%,
    #353a71 100%
  );
}