:root {
    --htmlColor : #223547;
    --cssColor : #472222;
    --javascriptColor : #224736;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'NexonLv1Gothic';
    color: var(--htmlColor);
}
*::before *::after {
    content: '';
    box-sizing: border-box;
}

a {
    color: #000;
    text-decoration: none;
}
li {
    list-style: none;
    display: inline;
}

/* container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}
/* header */
#header {
    padding: 2vw;
}
#header {
    display: line;
}
#header li a {
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 40px;
    border: 1px solid #000;
    text-align: center;
    line-height: 40px;
    margin-bottom: 10px;
}
#header li.active a {
    background: #000;
    color: #fff;
}
/* main */
#main {
    padding: 3vw;
}
#main h2 {
    font-style: 3rem;
    font-weight: 500;
}
#main h3 {
    font-size: 1.6rem;
    margin-bottom: 0.5em;
    line-height: 1.6;
    margin-top: 3em;
    font-weight: 300;
}
#main .result {
    background-color: #f2f2f2;
    padding: 10px;
    cursor: pointer;
}
#main .result details > div {
    padding: 10px;
    margin: 10px;
    background: #000;
    color: #fff;
}