/*
// ------------------------
// HEADER
// ------------------------
*/
header {
  width: 100%;
  height: 60px;
  padding: 1rem 0;
  display: flex;
  align-items: center;
  position: fixed;
  top: 0;
  background: #FFF;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  align-items: center;
  box-sizing: border-box;
  z-index: 10;
}

.header-area {
  max-width: 1000px;
  width: 90%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header {
  width: 100%;
  margin: 0;
  padding: 0;
}

header img {
  margin: 0;
  padding: 0;
  width: 100%;
}

.logo {
  width: 15%;
}

.close-btn{
  display: block;
  width: 40px;
  height: 40px;
  background: #000;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.close-btn:hover{
  opacity: 0.8;
}
.close-btn::before,
.close-btn::after {
  display: block;
  content: "";
  position: absolute;
  top: 52%;
  left: 50%;
  width: 50%;
  height: 2%;
  margin: -4% 0 0 -25%;
  background: #FFF;
}
.close-btn::before {
  transform: rotate(-45deg);
}
.close-btn::after {
  transform: rotate(45deg);
}

/*// レスポンシブ*/
@media screen and (max-width: 768px) {
  header {
    height: 60px;
    padding: 1rem 1rem;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    visibility: hidden;
  }
  .header-area {
    width: 95%;
    margin: 0 auto;
    position: relative;
  }
  .logo {
    width: 20%;
  }

}