@import url(https://fonts.googleapis.com/earlyaccess/notosanskr.css);
/* width */
::-webkit-scrollbar {
    width: 0px;
  }


body, div, section, article, header, footer {
    margin: 0;
    padding: 0;
    display: block;
    box-sizing: border-box;
    font-family: "Noto Sans KR", sans-serif;
    text-align: center;
    overflow-x: hidden;
}

h1, h2, h3, p {
    box-sizing: border-box;
}

a {
    color: black;
    text-align: center;
}

strong {
    font-weight: 900;
}

button {
    display: block;
    width: 400px;
    height: 70px;
    background-color: rgb(36, 33, 39);
    border: none;
    color: white;
    margin: 0 auto 10px auto;
    padding: 20px 30px;
    font-size: 16px;
    border-radius: 15px;
    transition: 300ms;
}

button:hover {
    background-color:white;
    color: black;
    font-size: 16px;
    font-weight: 900;
    box-shadow: 0 0 12px 0 rgba(0,0,0,0.24), 0 17px 50px 0 rgba(0,0,0,0.19);
}

.pressed {
    background-color:white;
    color: black;
    font-size: 20px;
    font-weight: 900;
    box-shadow: 0 0 12px 0 rgba(0,0,0,0.24), 0 17px 50px 0 rgba(0,0,0,0.19);  
}



img {
    width: 240px;
    margin: 0 auto;
}

header {
    width: 900px;
    margin: 0 auto;
    
}

.headerarea {
    position: absolute;
    width: 100%;
    transition: 500ms;
    /* box-shadow: 5px 5px 7px rgba(0, 0, 0, 0.1); */
}

#sbslogo {
    width: 50px;
    height: 50px;
    float: left;
}

.social {
    width: 50px;
    height: 50px;
    float: right;
    cursor: pointer;
}

.footdiv {
    padding: 30px;
}

/* HEADER */
header {
    height: 50px ;

}

.start-cover {
    width: 400px;
    margin-bottom: 10px;
}



/* QUESTION */
#startScreen {
    height: 100%;
    transition: 500ms;
}


.start-h1 {
    width: 450px;
    margin: 0 auto 5px auto;
    font-size: 50px;
    font-weight: 900;
    line-height: 115%;
}

.start-subtitle {
    font-size: 18px;
    font-weight: 700;
    margin: 0 auto 20px auto;
}

.start-p {
    width: 350px;
    margin: 0 auto 40px auto;
    font-size: 19px;
    line-height: 150%;
}
.credit-p {
    width: 350px;
    margin: 10px auto 30px auto;
    font-size: 20px;
    line-height: 150%;
}

.credit-img {
    margin: 50px auto 10px auto;
    width: 200px;
}

#credit-b {
    
    margin: 50px auto 0 auto;
}


.q-box {
    background-color: white;
    width: 0vw;
    height: 100%;
    position: absolute;
    box-shadow: 0px 0px 30px #aaaaaa;
    top: 0;
    transition: 700ms;
}

.q-img {
    opacity: 0;
    transition: 300ms;
}

.q-title {
    margin: 0 20px 30px 20px;
    font-size: 28px;
    opacity: 0;
    transition: 500ms;
}

.q-btn {
    opacity: 0; 
    transition: 500ms;
}

.r-button {
    opacity: 0; 
    transition: 200ms;
}

.r-box {
    background-color: rgb(43, 43, 43);
    color: black;
    width: 100%;
    height: 0%;
    padding: 0 30px;
    position: absolute;
    box-shadow: 0px 0px 30px #aaaaaa;
    top: 0;
    transition: 2000ms;
}

.r-img {
    opacity: 0;
    transition: 300ms;
}

.r-title {
    margin: 0 20px 30px 20px;
    font-size: 28px;
    opacity: 0;
    transition: 500ms;
}

.r-p {
    width: 400px;
    margin: 0 auto 20px auto;
    font-size: 20px;
    line-height: 150%;
    text-align: left;
    opacity: 0;
    transition: 1000ms;
}

.rr-title {
    color: black;
    margin: 0 20px 30px 20px;
    font-size: 32px;
    font-weight: 900;
    line-height: 130%;
    opacity: 0;
    transition: 500ms;
}

.rr-p {
    color: black;
    width: 400px;
    margin: 0 auto 20px auto;
    font-size: 20px;
    line-height: 150%;
    text-align: left;
    opacity: 0;
    transition: 1000ms;
}

.rr-img {
    opacity: 0;
    transition: 300ms;
}

.lefttrans {
    transform: translateX(-30px);
}


.hide {
    display: none;
}


@media screen and (max-width: 900px)
{
    header {
        width: 100%;
    }

    button {
        width: 80%;
    }

}


@media screen and (max-width: 640px)
{
    .start-cover {
        width: 100%;
        margin-bottom: 10px;
    }

    .start-h1 {
        font-size: 50px;
        font-weight: 900;
        line-height: 115%;
        width: 100%;
    }

    .start-p {
        width: 100%;
        padding: 0 30px;
    }

    .r-p {
        width: 100%;
        text-align: left;
    }

    .rr-p {
        width: 100%;
        text-align: left;
    }

    .credit-img {
        margin: 50px auto 0 auto;
    }

    .credit-p {
        width: 100%;
    
    }

}



/* ANIMATION */