body {
  color:#545454;
text-align: center;
margin: auto;
}
.header {
  
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  background: #fff;
}


/* ここから下がハンバーガーメニューに関するCSS */
.drawer_hidden {
  display: none;
}
.drawer_open {
  display: flex;
  height: 60px;
  width: 60px;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 100;
  cursor: pointer;
  position:fixed;
  margin:20px;
}
.drawer_open span,
.drawer_open span:before,
.drawer_open span:after {
  content: '';
  display: block;
  height: 12px;
  width: 100px;
  border-radius: 12px;
  background: #545454;
  transition: 0.5s;
  position: absolute;
}
.drawer_open span:before {
  bottom: 24px;
}
.drawer_open span:after {
  top: 24px;
}
#drawer_input:checked ~ .drawer_open span {
  background: rgba(255, 255, 255, 0);
}
#drawer_input:checked ~ .drawer_open span::before {
  bottom: 0;
  transform: rotate(45deg);
}

#drawer_input:checked ~ .drawer_open span::after {
  top: 0;
  transform: rotate(-45deg);
}
.nav_content {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 100%; 
  z-index: 99;
  background: #fff;
  transition: .5s;
}

.nav_content a{
  font-size: 50px;
}
.nav_list {
  list-style: none;
}

.nav_list a{
  text-decoration: none;
  color: #545454;
  font-family: "游ゴシック";
}

#drawer_input:checked ~ .nav_content {
  left: 0;
}
/*ここまでハンバーガーメニュー*/

.headerimg {
  display: inline-block;
  width: 100%;
  height: 100px;
  margin: auto;
}

/*ここまでコピペ*/

.syoukai h2{
  color:#545454;
  margin: 50px;
  font-size: 70px;
}


.syoukai h3{
  color: deeppink;
  font-size: 70px;
}


/*ここから下コピペ*/
footer{
  position: relative;
  bottom: 0;
  display: inline-block;
  width: 100%;
  height: 600px;
  background-color: lightgray;
  padding-top:50px;
  font-family: "游ゴシック";
}
footer a{
  text-decoration: none;
  color:#7c7c7c;
  padding: 10px;
  padding-bottom: 5px;
  margin:5px;
  text-align: center;
  font-size: 50px;
}