@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR&display=swap');


*{margin: 0; padding: 0; box-sizing: border-box;}

body {
    font-family: 'Noto Sans KR', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: url(/image/219079221.jpeg) no-repeat center;
    background-size: cover;
}
body::before {
    content: "";
    position: absolute; z-index: 1;
    top: 0; right: 0; bottom: 0; left: 0;
    background-color: rgba(0,0,0,.6)    
}
.login-form {position: relative; z-index: 2;}
.login-form h1 {
    font-size: 32px; color: #fff;
    text-align: center;
    margin-bottom: 5px;
    text-shadow: 2px 2px 2px #1c2833;
}
.login-form h2 {
    font-size: 32px; color: #fff;
    text-align: center;
    margin-bottom: 40px;
    text-shadow: 2px 2px 2px #1c2833;
}
.login-form h3 {
    font-size: 15px; color: #fff;
    text-align: center;
    margin-bottom: 2px;
    text-shadow: 1px 1px 2px #1c2833;
}
.login-form h4 {
    font-size: 15px; color: #000;
    text-align: center;
    margin-bottom: 2px;
}
.int-area {
    width: 400px; position: relative;
    margin-top: 20px;
}
int-area:first-child {margin-top: 0;}
.int-area input {
    width: 100%;
    padding: 20px 10px 10px;
    background-color: transparent;
    border: none;
    border-bottom: 1px solid #999;
    font-size: 18px; color: #fff;
    outline: none;
}
.int-area label {
    position: absolute; left: 10px; top: 15px;
    font-size: 18px; color: #999;
    transition: all .5s ease;
}
.int-area label.warning {
    color: red !important;
    animation: warning .3s ease;
    animation-iteration-count: 3;
}
@keyframes warning {
    0%{transform: trasnlateX(-8px);}
    25%{transform: trasnlateX(8px);}
    50%{transform: trasnlateX(-8px);}
    75%{transform: trasnlateX(8px);}
}

.int-area input:focus + label,
.int-area input:valid + label {
    top: -2px;
    font-size: 13px; color: #166cea;
}
.btn-area {margin-top: 30px;}
.btn-area button {
    width: 100%; height: 50px;
    background: #166cea;
    color: #fff;
    font-size: 20px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    margin-bottom: 15px;
}
.caption {
    margin-top: 20px;
    text-align: center;
    margin-bottom: 5px;


}
.caption a {
    font-size: 15px; color: #999;
    text-decoration: underline;
    text-decoration-style: solid;
    text-decoration-color: currentColor;
    text-underline-position: under;
    
}