.aboutus-container {
  height: 100vh;
  overflow-x: hidden;
  overflow-y: scroll;
}

.development-container {
  position: relative;
  display: flex;
  justify-content: center;
  margin-left: 100px;
}

.about-tabs {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 50px 120px;
}

.about-tab {
  height: 200px;
  background: #f8f8f8;
  color: #575757;
  font-size: 20px;
  font-weight: 400;
  text-align: center;
  line-height: 200px;
  letter-spacing: 5px;
  flex-basis: 25%;
}

.about-tab-active {
  background: white;
  border: 3px solid #ededed;
}

.about-container {
  background: #f1f1f1;
  display: flex;
  justify-content: space-around;
  align-items: start;
  padding: 0 120px;
  min-height: calc(100vh - 603px);
  padding-top: 70px;
}

.about-title {
  color: #000;
  font-size: 25px;
  font-weight: 400;
  letter-spacing: 2.5px;
  margin-bottom: 30px;
}

.about-title::before {
  content: "";
  display: inline-block;
  width: 31px;
  height: 10px;
  border-radius: 10px;
  background: #000;
  margin-bottom: 5px;
  margin-right: 26px;
}

.about-desc {
  color: #000;
  font-size: 18px;
  font-weight: 400;
  line-height: 160%;
  letter-spacing: 2.2px;
}

.about-right {
  margin-left: 20px;
}

.report {
  display: block;
  color: #000;
  font-size: 18px;
  font-weight: 400;
  line-height: 160%;
  letter-spacing: 2.2px;
  text-decoration: none;
}

.report::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #000;
  margin-right: 8px;
  margin-bottom: 3px;
}

.report:hover {
  text-decoration: underline;
}

.abouts-title-container {
  margin-top: 122px;
}

.abouts-title {
  color: #000;
  font-size: 40px;
  font-weight: 400;
  letter-spacing: 12px;
}

.timeline {
  margin-left: 112px;
}

.timeline::before {
  content: "";
  display: block;
  width: 2px;
  height: 62px;
  background: url("../svg/dotted_line.svg");
}

.timeline::after {
  content: "";
  display: block;
  width: 2px;
  height: 62px;
  background: #000;
}

.timeline-item {
  position: relative;
  display: flex;
  margin-top: 63px;
}

.timeline-info {
  width: 40vw;
  margin-left: 75px;
}

.timeline-title {
  color: #000;
  text-align: left;
  font-size: 30px;
  font-weight: 500;
  letter-spacing: 7px;
}

.timeline-desc {
  display: inline-flex;
  padding: 10px 5px;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  border-radius: 50px;
  background: #fff;
  margin-top: 20px;
  color: #000;
  font-size: 20px;
  font-weight: 400;
  line-height: 180%; /* 45px */
  letter-spacing: 2.5px;
}

.left-border {
  display: inline-block;
  width: 2px;
  height: auto;
  background-color: #000;
  margin-top: 34px;
}

.left-border::before {
  content: "";
  display: block;
  border-radius: 100%;
  width: 25px;
  height: 25px;
  background-color: #ff7628;
  position: absolute;
  top: 0;
  left: -12.5px;
  z-index: 2;
}

.protocol {
  margin: 20px 157px 80px 157px;
  /* width: 870px; */
}

.protocol-title {
  color: #000;
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 6px;
  text-align: center;
}

.protocol-subtitle {
  width: fit-content;
  padding: 3px 12px;
  gap: 10px;
  border-radius: 15px;
  background: #bcbcbc;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  line-height: 149.1%;
  letter-spacing: 2.2px;
  margin-top: 20px;
}

.protocol-subtitle:first-child {
  background: #000;
}

.content {
  margin-top: 16px;
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 149.1%;
  letter-spacing: 2.2px;
  color: #575757;
}

.animate-about-tab-enter {
  animation: about-tab-enter 1s linear;
}

@keyframes about-tab-enter {
  0% {
    transform: translate3d(0, 50%, 0);
  }

  100% {
    transform: translate3d(0, 0, 0);
  }
}

.animate-protocol-tab-enter {
  animation: protocol-tab-enter 1s linear;
}

@keyframes protocol-tab-enter {
  0% {
    transform: translate3d(0, 100%, 0);
  }

  100% {
    transform: translate3d(0, 0, 0);
  }
}

.animate-development-enter {
  animation: development-enter 1.5s linear;
}

@keyframes development-enter {
  0% {
    margin-top: 200px;
  }

  100% {
    margin-top: 0;
  }
}