index.module.scss

.main {
  height: 100vh;
  height: 100dvh;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;

  h1 {
    position: relative;

    &::after,
    &::before {
      content: '';
      display: block;
      width: 100px;
      height: 2px;
      background-color: $on-background-color;
      position: absolute;
      top: 20px;
    }

    &::before {
      left: -100px;
    }

    &::after {
      right: -100px;
    }
  }

  .link {
    padding-top: 25px;
    display: flex;
    gap: 50px;

    a {
      position: relative;

      &::before {
        content: '';
        position: absolute;
        left: 0;
        bottom: -4px;
        width: 0;
        height: 2px;
        background: $on-background-color;
        transition: $transition-time;
      }

      &:hover::before {
        width: 100%;
      }
    }
  }
}

@media (max-width: 540px) {
  .main {
    h1 {
      &::after,
      &::before {
        width: 40px;
      }
      &::before {
        left: -20px;
      }

      &::after {
        right: -23px;
      }
    }
  }
}