html{
font-size:125%;
}
body{
background:#000;
color:white;
text-align: center;
}
a{
color:inherit
}
a:hover,#rightcolumn a:hover,nav li span:hover{
border-radius:20px;
color:red
}
h1{
  color:white;
  text-align:center;
}

#menu{
margin:0 auto;
text-align:center
}
nav li{
display:inline-block;
margin:25px
}
nav li a{
vertical-align:middle;
text-align:center;
padding:5px;
position:relative; /* 必須 */
height:80px;width:80px;max-width:80px;
}

#comic{
  margin:0 auto;
  text-align:center;
}
img{
  width:400px;height:500px;
   padding-bottom:1vw;
}
#marker{
background:red;
}