.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 110px;
  padding: 20px 40px;
  z-index: 100;
}

.headerBox {
  display: flex;
  justify-content: space-between;
  width: 100%;
  height: 100%;
}

.iconBox {
  display: flex;
  flex-flow: column;
  justify-content: space-between;
}

.logo {
  height: 60px;
}
.logo img,
.logo picture {
  height: 100%;
}

.open-button {
  display: block;
  z-index: 30;
  width: 42px;
  height: 42px;
  cursor: pointer;
  text-align: center;
  background-color: rgba(220, 211, 196, 0.7);
  border-radius: 5px;
  position: relative;
}
.open-button span {
  display: block;
  position: absolute;
  width: 23px;
  height: 2px;
  left: 8px;
  background: #555;
  -webkit-transition: 0.3s ease-in-out;
  -moz-transition: 0.3s ease-in-out;
  transition: 0.3s ease-in-out;
}
.open-button span:nth-child(1) {
  top: 10px;
}
.open-button span:nth-child(2) {
  top: 20px;
}
.open-button span:nth-child(3) {
  top: 30px;
}
.open-button p {
  margin-top: 35px;
}
.open-button.active p {
  display: none;
}
.open-button.active span:nth-child(1) {
  top: 19px;
  left: 8px;
  background: #fff;
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  transform: rotate(-45deg);
}
.open-button.active span:nth-child(2),
.open-button.active span:nth-child(3) {
  top: 19px;
  background: #fff;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  transform: rotate(45deg);
}

.menuTxt {
  user-select: none;
}

#nav {
  position: absolute;
  z-index: 20;
  top: -20px;
  right: 0;
  color: #fff;
  background: rgba(181, 192, 182, 0.97);
  width: 400px;
  opacity: 0;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  visibility: hidden;
  padding: 100px 40px 40px 40px;
  display: flex;
  justify-content: space-between;
}

.nav-logoBox {
  display: block;
  width: 80px;
  height: 80px;
}

.nav-logo {
  width: 100%;
}

.top-snsIcon {
  width: 50px;
  height: 50px;
}

.top-snsIcon img,
.top-snsIcon picture {
  width: 100%;
}

#nav ul {
  font-size: 1.8rem;
  line-height: 2;
  width: calc(100% - 100px);
}
#nav ul li {
  display: block;
  list-style-type: none;
  padding: 0;
  text-align: end;
  transition: 0.3s background ease-out;
  margin-top: 0;
}
#nav ul li:last-child {
  padding-bottom: 0;
}
#nav ul li:hover {
  background: #ddd;
}
#nav ul li a {
  width: 100%;
  display: block;
  color: #fff;
  padding: 0.5em;
  text-decoration: none;
  font-size: 1.8rem;
  line-height: 2;
  transition: 0.3s color ease-out;
}
#nav ul li:hover a {
  color: #555;
}
#nav.active {
  opacity: 100;
  visibility: visible;
}

/* 1200px以上 (大型デバイス) */
@media (max-width: 1439px) {
}

/* 1024px以上 (中型デバイス) */
@media (max-width: 1199px) {
}

/* 768px以上 (小型デバイス) */
@media (max-width: 1023px) {
  .header {
    height: 80px;
    padding: 10px;
  }
  #nav {
    top: -10px;
  }
}

/* 480px以上 (非常に小型デバイス) */
@media (max-width: 767px) {
  #nav {
    right: -20px;
  }
}

/* 380px以上 (非常に小型デバイス) */
@media (max-width: 479px) {
  #nav {
    width: 100%;
    padding: 90px 20px 20px 20px;
  }

  .logo {
    height: 45px;
  }

  .open-button {
    height: 35px;
    width: 35px;
  }

  .open-button p {
    font-size: 1.4rem;
  }

  .open-button span {
    width: 22px;
    left: 6px;
  }

  .open-button span:nth-child(1) {
    top: 8px;
  }
  .open-button span:nth-child(2) {
    top: 17px;
  }
  .open-button span:nth-child(3) {
    top: 26px;
  }

  .open-button.active span:nth-child(1) {
    top: 17px;
    left: 6px;
  }
  .open-button.active span:nth-child(2),
  .open-button.active span:nth-child(3) {
    top: 17px;
  }
}

/* 380px未満 (非常に小型デバイス) */
@media (max-width: 380px) {
}