*{margin:0; padding:0;}
body{
    font-family: "Noto Sans JP", sans-selif;
}
header{
    width:100%; 
    position:relative; 
}
img.backimage{
    width:100%; height:auto;
}
img.title{
    position:absolute; top:40px; left:12%;}
.top{color: white; 
    position:absolute; top:60%;left:64%;
}

/* 週間スケジュール */
aside.briefing{
    margin-top: 40px;  padding-left:8%;
}
p.guidance{ width:80%;  margin-left:8%;
    font-size:14px; color:rgb(79, 13, 13);}
table.weekplan{
    width:80%; margin-left:8%; margin-bottom:60px;
    font-size:14px; color:black;
    border-collapse: collapse; border: solid 1px  brown;
}
th,td{border: dotted 1px brown; padding-left:8px;}
tr.iro{background-color: rgba(222, 222, 193, 0.931);}
td{padding-left:12px;}

/* 各サークルのガイダンス */
main.container{
    width:100%; margin:24px 8% 40px 12%;
    display:flex; flex-wrap: wrap;
}
.box{ width:200px; height:auto;
    margin-right:4%; margin-bottom: 12px;}
p.exp{
    font-size:12px; font-weight:400; color:rgb(44, 15, 15)
}