@charset "utf-8";
/*　要素　*/ :root {
  --transition-animation-normal: all 0.3s ease-out;
}
/*フォント*/
p {
  font-size: 18px;
}
/*ヘッダー*/
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 2;
}
nav ul {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  justify-content: center;
  font-weight: bold;
  background-color: #c5c5c5cf;
  border-radius: 50px;
  border: solid 2px #ffffff;
  padding: 0 10px;
}
nav ul li {
  padding: 10px;
}
.main_nav a:hover {
  color: #3f3f3f;
}
/*フッター*/
#footer {
  background-color: #888888;
  min-height: 200px;
  padding-top: 50px;
  z-index: 1;
  position: absolute;
  width: 100%;
}
#footer .icon {
  z-index: 1;
  display: flex;
  justify-content: center;
}
#footer .icon li {
  margin: 20px 40px;
}
#footer .icon img {
  width: 50px;
  transition: var(--transition-animation-normal);
}
#footer .icon img:hover {
  transform: scale(1.1);
}
#main {
  margin: 100px 0;
}
@media screen and (max-width : 768px) {
  p {
    font-size: 4.5vw;
  }
}