body {
    background-attachment: fixed;
    color: #888;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'M PLUS 1p', sans-serif;
    }

p {
    text-indent: 1em;
    }
    
.ul {
    margin-bottom: 50px;
}
    
h1 {
    margin-top: 20px;
    }

a:link {
    color: #888;
    }

a:visited {
    color: #888;
    }

a:hover {
    color: #CCC;
    }

a:active {
    color: #CCC;
    }

.main {
    border: 2px solid #CCC;
    background-color: #FFF;
    text-align: center;
    box-shadow: 8px 8px rgba(0,0,0,0.2);
    margin-top: 20px;
    margin-bottom: 20px;
    
    }

.paper {
    border: 2px solid #CCC;
    background-color: #FFF;
    box-shadow: 8px 8px rgba(0,0,0,0.2);
}

.paper-b {
    border: 2px solid #000;
    background-color: #FFF;
    box-shadow: 8px 8px rgba(0,0,0,0.2);
}

.koushin{
    font-style: italic;
    text-decoration: underline;
    color: #CCC;

}

.row {
  margin:20px auto;
  width: 300px;
  display: flex;
  flex-wrap:wrap;
  clear: both;
}

.col {
  width: calc(100% / 3);
  height: 25px;
}

@media screen and (min-width: 859px) {
.main{
    width: 800px;
    min-height: 600px;
    }

img{
    margin-top: 20px;
}

.content {
    margin: 20px 10%;
    text-align: left;
}

}

@media screen and (max-width: 858px) and (min-width: 351px) {
.main{
    width: 95%;
    height: auto;

    }
.content {
    margin: 20px 10%;
    text-align: left;
}

img{
    width: 95%;
    max-width: 300px;
    height: auto;
}

}
@media screen and (max-width: 350px) {

.main{
    width: 95%;
    height: auto;
    }
.row{
    width: 95%;
}
img{
    width: 95%;
    height: auto;
}


.content {
    margin: 20px 20px;
    text-align: left;
}


}