h1.logo {
  display: block;
}
h1.logo img {
  display: block;
  margin: 0 auto;
  width: 17.5rem;
}

h2.main-ttl {
  text-align: center;
  margin: 2.5rem 0 3.5rem;
  line-height: 1.4;
}
h2.main-ttl span {
  display: block;
}
h2.main-ttl .large {
  font-size: 4rem;
}
h2.main-ttl .small {
  font-size: 2.3rem;
}

.first-cont {
  display: flex;
  align-items: center;
  column-gap: 5rem;
  row-gap: 0;
}
.first-cont img {
  animation-name: fadeInOut;
  animation-duration: 3s;
  opacity: 0;
}
.first-cont img:nth-child(1) {
  width: 5rem;
}
.first-cont img:nth-child(2) {
  width: 13rem;
}

footer {
  position: absolute;
  width: 100%;
  left: 0;
  bottom: 3rem;
  font-size: 1rem;
  text-align: center;
  color: #939393;
}

@keyframes fadeInOut {
  0% {
    opacity: 0;
    transform: scale(0.85);
  }
  15% {
    opacity: 1;
    transform: scale(1);
  }
  80% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(0.85);
  }
}
.login-wrap {
  grid-template-columns: repeat(2, 1fr);
  min-height: 100vh;
  min-height: 100dvh;
}
.login-wrap .login-item {
  position: relative;
  padding-top: 4rem;
}
.login-wrap .login-item:nth-child(2) {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-top: 0;
  text-align: center;
}
.login-wrap .login-item:nth-child(1)::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  left: 0;
  top: 0;
  background-color: #3C3C3C;
}
.login-wrap .login-item .l-inner {
  position: relative;
}
.login-wrap .login-item form {
  margin: 3rem 2rem 0;
}

.signup-wrap a {
  text-decoration: underline;
}