* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding-top: 90px; /* fixedヘッダー分 */
  font-family: sans-serif;
}

a {
  text-decoration: none;
  color: inherit;
}

.global-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #fff;
  z-index: 1000;
  border-bottom: 1px solid #ddd;
}

.header-inner {
  max-width: 1200px;
  height: 90px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

 .logo a{
  display: inline-block;
}

.logo a img{
  width: 280px;
}

.global-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list li a {
  font-size: 16px;
  font-weight: 500;
  position: relative;
}

.nav-list li a::after {
  content: '';
  display: block;
  width: 0;
  height: 3px;
  background: #666;
  position: absolute;
  bottom: -10px;
  left: 0;
  transition: .3s; 
}

.nav-list li a:hover{
  text-decoration: none;
}

.nav-list li a:hover::after {
  width: 100%;
}

.contact-item a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  height: 48px;
  background: #000;
  color: #fff;
  padding: 0 24px;
  border: 2px solid #000;
  border-radius: 24px;
  transition: .5s;
}

.contact-item a:hover{
  text-decoration: none;
  color: #000;
  background: #fff;
}

.nav-list li.contact-item a::after {
  background: none;
}

.menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  position: relative;
  z-index: 1100;
}

.menu-btn span {
  display: block;
  width: 28px;
  height: 2px;
  background: #000;
  position: absolute;
  left: 6px;
  transition: 0.3s;
}

.menu-btn span:nth-child(1) {
  top: 11px;
}

.menu-btn span:nth-child(2) {
  top: 19px;
}

.menu-btn span:nth-child(3) {
  top: 27px;
}

.menu-btn.is-open span:nth-child(1) {
  top: 19px;
  transform: rotate(45deg);
}

.menu-btn.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-btn.is-open span:nth-child(3) {
  top: 19px;
  transform: rotate(-45deg);
}

.sp_contact_btn{
  display: none;
}

@media screen and (max-width: 820px) {
  .header-inner {
    height: 70px;
    padding: 0 16px;
  }

  .logo a img{
  padding-right: 10px;
}

  body {
    padding-top: 70px;
  }

  .menu-btn {
    display: block;
  }

  .global-nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background:#efefef;
    padding: 40px 20px;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
  }

  .global-nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .nav-list li {
    width: 100%;
  }

  .nav-list li a {
    display: block;
    width: 100%;
    font-size: 16px;
  }

  .contact-item a {
    width: 100%;
    min-width: auto;
    height: 52px;
    line-height: 52px;
    text-align: center;
  }

.sp_contact_btn{
  display: block;
  box-sizing: border-box;
  color: #fff;
  background: #000;
  height: 40px;
  line-height: 40px;
  border-radius: 30px;
  padding: 0 10px;
  font-size: 12px;
  letter-spacing: 0.05em;
  border: 2px solid #000;
  font-weight: 600;
  margin-left: auto;
  margin-right: 5px;
}

.sp_contact_btn:hover{
  text-decoration: none;
  background:#fff ;
  color: #000;
}
  
}