* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans JP', sans-serif;
    color: white;
  }
  body {
    min-height: 100vh;
    width: 100%;
    background: linear-gradient(45deg, #ff9ce3, #4ab3ff);
    overflow: hidden;
    opacity: 0;
    transition: opacity 1s ease;
  }
  .visible {
    opacity: 1;
  }
  nav {
    height: 10vh;
    width: 100%;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 0 80px;
  }
  .sign-in-sign-up {
    background: rgba(255, 255, 255, 0.4);
    padding: 10px;
    border-radius: 15px;
    border: 1px solid white;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    cursor: pointer;
  }
  
main {
    height: 90vh;
    width: 100%;
    padding: 0 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  main > div {
    width: 50%;
  }
  
  .left-section {
    /* background: lightblue; */
    transform: translateY(-50%);
  }
  
  .heading {
    font-size: 55px;
    letter-spacing: 2px;
  }
  
  .sub-heading {
    font-size: 25px;
    font-weight: normal;
    letter-spacing: 3px;
  }
  
  .right-section {
    /* background: lightblue; */
    transform: translateY(-50px);
    display: flex;
    justify-content: flex-end;
  }
  
  .homepage-illustration {
    width: 80%;
  }
  .circle1,
  .circle2 {
    z-index: -5;
    position: absolute;
  }
  
  .circle1 {
    width: 600px;
    height: 600px;
    border-radius: 50%;
  
    background: linear-gradient(180deg, #97ff57 0%, #0d99ff 99.99%, #0094ff 100%);
    filter: blur(10px);
    transform: rotate(18deg);
    left: -120px;
    top: -100px;
  }
  .circle2 {
    width: 400px;
    height: 400px;
    border-radius: 50%;
  
    filter: blur(10px);
    transform: rotate(18deg);
    right: -50px;
    bottom: -80px;
  
    background: linear-gradient(180deg, #ff57d0 0%, #0d99ff 99.99%, #0094ff 100%);
    filter: blur(5px);
    transform: rotate(18deg);
  }