#login {
  height: 70vh;
}

    #login .login-container {
        border: 1px solid var(--blue-3);
        padding: 1rem 2rem;
        background: linear-gradient( 90deg, var(--blue-5) 20%, var(--light) 20%, var(--light) 100% );
        width: 500px;
        margin: auto;
        position: relative;
        top: 50px;
    }

#login .login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 70%;
  margin: 2rem 0 1rem 6rem;
}

#login .paper-plan {
  background: url(../image/paper-plan.png) no-repeat;
  background-size: 40px;
  width: 50px;
  height: 50px;
  position: absolute;
  right: 1rem;
  top: 1rem;
  animation: fly 15s 1 ease-in;
}

@keyframes fly {

  40% {
    transform: translate(14rem, -14rem);
  }
}

#login label {
  color: var(--blue-9);
}
/*
#login input {
  padding: .8rem 1rem;
  border-radius: 3rem;
  background: var(--blue-2);
  border: none;
  outline: none;
}
*/
#login a.login-btn {
  display: inline-block;
  padding: .5rem 2.5rem;
  margin-top: 1rem;
  border-radius: 3rem;
  color: var(--light);
  background: var(--blue-6);
  position: relative;
  left: 300px;
  transition: .2s ease;
  z-index: 1;
}

#login a.login-btn::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: var(--blue-9);
  border-radius: 3rem;
  left: 0;
  top: 0;
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left;
}

#login a.login-btn:hover {
  transition: .2s ease;
  background: transparent;
}

#login a.login-btn:hover::before {
  transition: .2s ease;
  transform: scaleX(1);
}

/* login rwd ---------------------------------- */
@media screen and (max-width: 375px) {
  #login {
    height: 62vh;
  }
  #login .login-container {
    width: 340px;
  }
  #login a.login-btn {
    left: 170px;
  }
  #login .login-form {
    margin: 2rem 0 1rem 4rem;
  }
}