#wrap {
  background: #3e588f;
  min-height: 100vh;
}
main {
  margin-top: 21.6rem;
}

/* HEADER */
header {
  width: 100%;
  height: 15rem;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
}
header .logo_wrap {
  width: 22rem;
}
header .logo_wrap a {
  display: block;
  padding: 1.5rem;
}
header .logo_wrap a img {
  width: 100%;
}

/* NAV */
nav {
  width: 100%;
  position: fixed;
  top: 15rem;
  left: 0;
  background: #3e588f;
  z-index: 999;
}
nav ul {
  display: flex;
  border-radius: 1.5rem 1.5rem 0 0;
  overflow: hidden;
  border-bottom: 5px solid #3e588f;
  background: #ebeef7;
}
nav ul li {
  width: 33.3%;
}
nav ul li a {
  display: block;
  padding: 2.2rem 0;
  text-align: center;
  font-size: 1.8rem;
  font-weight: 600;
  color: #888;
}
nav ul li.active a {
  color: #000;
  font-weight: 700;
}