@charset "UTF-8";

* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}

#wrap {
    width: 84%;
    max-width: 1280px;
    margin: 0 auto;
}

header {
  background: #839b5c;
  color: #FFF;
  padding: 20px;
  position: sticky;
  top: 0;
}

.main-menu {
  background: #839b5c;
  position: absolute;
  top: 20px;
  right: 20px;
}
.main-menu ul {
    display: flex;
    justify-content: space-around;
}
main {
    display: flex;
    flex-direction: row-reverse;
    height: 1200px;
}
.main-menu ul li a {
    color: #FFF;
    display: block;
    padding: 10px 20px;
}
.main-menu ul li a:hover {
    background: #ff8c00;
}

section {
  background: #EEE;
  flex: 3;
  padding: 20px;
}

article {
  background: #FFF;
  padding: 20px;
  margin-bottom: 20px;
}

aside {
  background: #DDD;
  flex: 1;
}

.sub-menu {
  background: #999;
}
.sub-menu ul li a {
    color: #FFF;
    display: block;
    padding: 10px 20px;
}
.sub-menu ul li a:hover {
    background: #666;
}
  

footer {
  background: #839b5c;
  color: #FFF;
  padding: 20px;
  text-align: center;
}

a.pagetop {
  display: block;
  width: 50px;
  height: 50px;
  text-align: center;
  box-sizing: border-box;
  padding-top: 12px;
  border-radius: 50px;
  background-color: #333;
  color: #FFF;
  position: fixed;
  bottom: 0;
  right: 20px;
}

html {
  scroll-behavior: smooth;
}