body {
  margin: 0;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}


header {
  display: flex;
  padding: 0 16px;
  background-color: aqua;
}





header h1 {
  margin-top: 50px;
  margin-left: 0;
  font-size: 22px;
  line-height: 64px;
}

main h4 {
  color: blueviolet;
}



.sp-menu {
  margin-left: auto;
}





.sp-menu #open {
  font-size: 32px;
  line-height: 64px;
  cursor: pointer;
}





.sp-menu #open.hide {
  display: none;
}

a:hover {
  font-weight: bold;
}



main {
  padding: 0 16px;
}

.button1 {
  background-color: yellow;
  border-radius: 8px;
  font-size: large;
  position: fixed;
  right: 32px;
  bottom: 96px;
  box-shadow: 0 4px #7a0000;
}

.button2 {
  background-color: lightblue;
  border-radius: 8px;
  font-size: large;
  position: fixed;
  right: 95px;
  bottom: 96px;
  box-shadow: 0 4px #7a0000;
}

button:hover {
 opacity: .8;
}

button:active {
  box-shadow: 0 1px #7a0000;
  transform: translateY(3px);
}






footer {
  background-color: aqua;
  text-align: center;
}


.overlay {
  position: fixed;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  background-color: rgba(255, 255, 255, 0.95);
  text-align: center;
  padding: 64px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .6s;
}

.overlay.show {
  opacity: 1;
  pointer-events: auto;
}




.overlay #close {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 32px;
  cursor: pointer;
}

.overlay ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

.overlay li {
  margin-top: 24px;
  opacity: 0;
  transform: translateY(128px);
  transition: opacity .3s, transform .3s;
}

.overlay.show li {
  opacity: 1;
  transform: none;
}

.overlay.show li:nth-child(1) {
  transition-delay: .1s;
}

.overlay.show li:nth-child(2) {
  transition-delay: .2s;
}

.overlay.show li:nth-child(3) {
  transition-delay: .3s;
}

.overlay.show li:nth-child(4) {
  transition-delay: .4s;
}

.overlay.show li:nth-child(5) {
  transition-delay: .5s;
}

/* メディアクリエイターの設定 */

.pc-menu {
  display: none;
}





@media (min-width: 600px) {
  .pc-menu {
    display: block;
    margin-left: auto;
  }

  .pc-menu ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
  }

  .pc-menu a {
    display: block;
    width: 80px;
    line-height: 64px;
    text-align: center;
  }

  .pc-menu a:hover {
    background: #b8e6ed;
    font-weight: bold;
  }


  .sp-menu {
    display: none;
  }




}