.header {
  border-bottom: 4px solid #f4cd2c;
  background-color: #fff;
  width: 100%;
  height: 70px;
  z-index: 6;
}

.header.sticky {
  position: fixed;
  top: 0;
}

.header-wrap {
  width: 100%;
  height: 70px;
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header .logo {
  width: 125px;
  margin-left: 10px;
}

.header .service-link-button {
  font-size: 15px;
  background-color: #FFEB57;
  border-radius: 25px;
  position: relative;
  z-index: 2;
  border: 2px solid #111;
  overflow: hidden;
  padding: 12px 20px;
  margin-right: 10px;
  font-weight: bold;
}

.header .service-link-button_sp {
  display: none;
}

.header .service-link-button::before,
.header .service-link-button::after {
  position: absolute;
  z-index: -1;
  display: block;
  content: '';
  top: 0px;
}

.header .service-link-button,
.header .service-link-button::before,
.header .service-link-button::after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-transition: all .8s;
  transition: all .8s;
}

.header .service-link-button::after {
  left: -120%;
  width: 100%;
  height: 100%;
  border-right: 20px solid #ffffff;
  margin-left: 30px;
}

.header .service-link-button:hover::after {
  top: 0;
  left: 10px;
  background-color: #FFEB57;
  margin-left: 10px;
}

.header .hamburger-button {
  display: none;
}

.cando-things .scroll-fixed {
/*  margin-top:-250px !important;
  padding-top:250px !important;
*/}

.case-study .scroll-fixed {
/*  margin-top:-300px !important;
  padding-top:300px !important;
*/}

/* PC */
@media screen and (min-width:821px) {
  .header .nav-wrap ul li {
    display: inline;
    padding: 0 1em;
    font-size: 12px;
    font-weight: bold;
    border-left: 1px solid #111;
  }

  .header .nav-wrap ul li:first-child {
    border-left: 0;
  }
}

/* SP */
@media screen and (max-width:820px) {
  .header .header-wrap {
    padding: 0 24px;
    box-sizing: border-box;
  }

  .header .service-link-button {
    display: none;
  }

  .header .nav-wrap {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 70px;
    left: 0;
    background-color: #F3E43C;
    z-index: -5;
  }

  .header .nav-wrap,
  .header .nav-wrap .nav {
    display: none;
    z-index: 8;
  }

  .header .nav {
    display: none;
    font-size: 24px;
    font-weight: bold;
    line-height: 2.5;
    text-align: right;
    padding: 30px;
    z-index: 20;
  }

  .header .hamburger-button {
    display: block;
  }

  .header .sp-button {
    text-align: right;
  }

  .header .service-link-button_sp {
    display: inline-block;
    font-size: 24px;
    font-weight: bold;
    background-color: #f4cd2c;
    position: relative;
    z-index: 2;
    padding: 20px 30px;
    margin-top: 10px;
  }

  .header .hamburger-button .open-button {
    display: block;
    width: 40px;
    height: 100px;
    z-index: 6;
  }

  .header .hamburger-button .close-button {
    display: none;
    width: 40px;
    height: 100px;
  }
}