@charset "utf-8"; 

.nana {
    width: 250px;
}


body{
    background-color: #000000;
    color:#ffffff;
}

.cgcg{
    display: flex;
    justify-content: space-between;
    background-color: #000000
  }

  header {
    color: white;
    text-align: center;
    padding: 1rem 0;
}

.cgcg {
    padding-bottom: 20px;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    margin: 0;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 1rem;
    display: block;
}

nav ul li {
    border-left: 1px #ffffff solid;
    margin: 0 1rem;
}

h1 {
    border: 0cap;
    border-bottom: 3px solid;
    text-align: center;
}

ul{
    display: flex;
}

.bbs{
    padding-left: 20px;
    width: 100px;
}

hr{
    border-top: 2px #ffffff solid;
}

.work{
    padding-left: 20px;
    width: 200px;
}

.w14{
    justify-content: center;
    margin: auto;
}

.w16{
    justify-content: center;
    margin: auto;
}
.w17{
    justify-content: center;
    margin: auto;
}

.w789{
    justify-content: center;
    margin: auto;
}

.w101112{
    justify-content: center;
    margin: auto;
}

.w123{
    justify-content: center;
    margin: auto;
}

.w456{
    justify-content: center;
    margin: auto;
}

.w5:hover{
    opacity: 0.5;
}

.w4:hover{
    opacity: 0.5;
}

.w17:hover{
    opacity: 0.5;
}