/* ヘッダー */
header {
  width: 100%;
  position: sticky;
  top: 0;
  border-bottom: 1px solid #ccc;
  z-index: 99;
  background-color: var(--bgColor);
  color: var(--textColor);
}

header h2 {
  font-size: 2.5rem;
  font-weight: bold;
  text-align: left;
  padding: 8px;
  margin: 0;
  border: 0;
}

header nav {
  width: 100%;
  border-top: 2px solid #d9d9d9;
  padding-top: 8px;
  padding-bottom: 8px;
}

header nav > ul {
  display: flex;
  justify-content: center;
}

header nav li {
  align-self: center;
  font-size: 1.2rem;
  padding: 0 15px;
  text-align: center;
  line-height: 1.2;
}

header nav a,
header nav span {
  display: block;
}
header nav a::before,
header nav span::before {
  content: "";
  display: block;
  width: 0;
  border-top: 2px solid #c00;
  transition: width 0.2s ease-in-out;
}

header nav a:hover::before,
header nav span:hover::before {
  width: 100%;
}

header nav li > ul li {
  padding: 8px 0.5rem;
}

header nav li > ul {
  display: none;
  position: absolute;
  background-color: var(--bgColor);
}

header nav li:hover > ul {
  display: block;
}

/*　ハンバーガーボタン　*/
.hamburger {
  display: block;
  position: fixed;
  z-index: 3;
  right: 13px;
  top: 5px;
  width: 42px;
  height: 42px;
  cursor: pointer;
  text-align: center;
}
.hamburger span {
  display: block;
  position: absolute;
  width: 30px;
  height: 2px;
  left: 6px;
  background: #c00;
  -webkit-transition: 0.3s ease-in-out;
  -moz-transition: 0.3s ease-in-out;
  transition: 0.3s ease-in-out;
}
.hamburger span:nth-child(1) {
  top: 10px;
}
.hamburger span:nth-child(2) {
  top: 20px;
}
.hamburger span:nth-child(3) {
  top: 30px;
}
.hamburger.active span:nth-child(1) {
  top: 16px;
  left: 6px;
  background: #c00;
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  transform: rotate(-45deg);
}
.hamburger.active span:nth-child(2),
.hamburger.active span:nth-child(3) {
  top: 16px;
  background: #c00;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  transform: rotate(45deg);
}

/* スマホ側のメニュー */
div.sideMenu {
  position: fixed;
  z-index: 2;
  right: -400px;
  top: 0;
  color: #333;
  background: rgba(255, 255, 255, 0.9);
  padding: 8px;
  padding-top: 0;
  width: 400px;
  opacity: 0;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

div.sideMenu > ul {
  margin: 0 auto;
  padding: 0;
  width: 100%;
  border-top: 2px solid #c00;
}

div.sideMenu ul li {
  list-style-type: none;
  padding: 0;
  width: 100%;
  transition: 0.4s all;
}
div.sideMenu ul li:last-child {
  padding-bottom: 0;
}

div.sideMenu a,
div.sideMenu span {
  width: 100%;
  display: inline-block;
}

div.sideMenu a:hover,
div.sideMenu span:hover {
  background: #aaa;
}
div.sideMenu ul li a,
div.sideMenu ul li span {
  display: block;
  color: #333;
  padding: 1em 0;
  text-decoration: none;
}

div.sideMenu.active {
  display: block;
  opacity: 100;
  right: 0;
}

div.sideMenu li > ul a {
  padding-left: 2rem;
}

.config i, .edit i {
  font-size: 32px;
  margin-right: 10px;
}
header > .config {
  position: absolute;
  bottom: 0;
  right: 0;
}
header > .edit {
  position: absolute;
  bottom: 0;
  right: 42px;
}

@media only screen and (min-width: 1091px) and (max-width: 1250px) {
  header nav > p {
    font-size: 1rem;
  }
}

@media only screen and (min-width: 941px) and (max-width: 1090px) {
  header nav > p {
    font-size: 0.8rem;
  }
}
header h2 br {
  display: none;
}

@media only screen and (max-width: 940px) {
  header h2 {
    font-size: 1.5rem;
  }
  header h2 br {
    display: block;
  }
  header .config {
    top: 10px;
    right: 55px;
  }
  header .edit {
    top: 10px;
    right: 90px;
  }
  header nav {
    display: none;
  }

  div.sideMenu {
    display:none;
    width: 100%;
    height: 100vh;
    overflow-y: scroll;
  }
  div.sideMenu ul li a,
  div.sideMenu ul li span {
    padding: 0.5em 0;
    font-size: 0.9rem;
    text-decoration: none;
  }

  div.sideMenu li > ul a,
  div.sideMenu li > ul span {
    padding-left: 2rem;
  }
}