/* ========================================
   Header
======================================== */

.site-header {
  position: relative;
  z-index: 1000;

  width: 100%;

  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}


/* ========================================
   Header Inner
======================================== */

.site-header__inner {
  display: flex;
  align-items: stretch;
  justify-content: space-between;

  min-height: 80px;

  /*
    ロゴだけサイト全体の基準線に合わせる。
    右側は余白を作らずCONTACTを画面端まで配置。
  */
  padding-left: max(
    var(--container-padding),
    calc((100vw - var(--container-width)) / 2)
  );
}


/* ========================================
   Logo
======================================== */

.site-header__logo {
  display: flex;
  align-items: center;

  flex-shrink: 0;
}

.site-header__logo .custom-logo-link {
  display: flex;
  align-items: center;
}

.site-header__logo .custom-logo {
  display: block;

  width: auto;
  max-width: 190px;
  max-height: 68px;

  object-fit: contain;
}

.site-header__site-name {
  color: var(--color-main);

  font-family: var(--font-heading);
  font-size: var(--font-size-lg);

  letter-spacing: 0.08em;
}


/* ========================================
   PC Menu Area
======================================== */

.site-header__menu-area {
  display: flex;
  align-items: stretch;

  margin-left: auto;
}


/* ========================================
   PC Navigation
======================================== */

.site-header__nav {
  display: flex;
  align-items: center;
}

.global-nav {
  display: flex;
  align-items: center;

  height: 100%;

  margin: 0;
  padding: 0;

  list-style: none;
}

.global-nav > li {
  display: flex;
  align-items: center;

  height: 100%;

  margin: 0;
  padding: 0;
}

.global-nav > li > a {
  position: relative;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  height: 100%;

  padding: 0 18px;

  color: var(--color-heading);

  font-family: var(--font-base);
  font-size: 13px;
  font-weight: 500;

  line-height: 1.2;
  letter-spacing: 0.08em;

  opacity: 1;
}


/* ========================================
   Menu Description
======================================== */

.menu-description {
  display: block;

  margin-top: 2px;

  color: var(--color-text-sub);

  font-size: 10px;
  font-weight: 400;

  line-height: 1.2;
  letter-spacing: 0.04em;
}


/* ========================================
   Navigation Hover
======================================== */

.global-nav > li > a::after {
  content: "";

  position: absolute;

  right: 18px;
  bottom: 14px;
  left: 18px;

  height: 1px;

  background-color: var(--color-main);

  transform: scaleX(0);
  transform-origin: center;

  transition: transform var(--transition-base);
}

.global-nav > li > a:hover {
  color: var(--color-main);
  opacity: 1;
}

.global-nav > li > a:hover::after {
  transform: scaleX(1);
}


/* ========================================
   Current Menu
======================================== */

.global-nav > .current-menu-item > a,
.global-nav > .current_page_item > a {
  color: var(--color-main);
}

.global-nav > .current-menu-item > a::after,
.global-nav > .current_page_item > a::after {
  transform: scaleX(1);
}


/* ========================================
   Contact Button
======================================== */

.site-header__contact {
  display: flex;
  align-items: center;
  justify-content: center;

  min-width: 120px;
  height: 80px;

  padding: 0 18px;

  background-color: var(--color-main);
  color: var(--color-white);

  font-family: var(--font-base);
  font-size: 12px;
  font-weight: 500;

  letter-spacing: 0.1em;

  opacity: 1;
}

.site-header__contact:hover {
  background-color: var(--color-main-light);
  color: var(--color-white);

  opacity: 1;
}

.site-header__contact:visited {
  color: var(--color-white);
}

/* ========================================
   Mobile Menu Button
======================================== */

.site-header__menu-button {
  display: none;

  position: relative;

  width: 48px;
  height: 48px;

  margin: auto var(--container-padding) auto auto;

  cursor: pointer;
}

.site-header__menu-button span {
  position: absolute;
  left: 10px;

  width: 28px;
  height: 1px;

  background-color: var(--color-heading);

  transition:
    transform var(--transition-base),
    opacity var(--transition-base);
}

.site-header__menu-button span:nth-child(1) {
  top: 15px;
}

.site-header__menu-button span:nth-child(2) {
  top: 23px;
}

.site-header__menu-button span:nth-child(3) {
  top: 31px;
}


/* OPEN */

.site-header__menu-button.is-open span:nth-child(1) {
  top: 23px;
  transform: rotate(45deg);
}

.site-header__menu-button.is-open span:nth-child(2) {
  opacity: 0;
}

.site-header__menu-button.is-open span:nth-child(3) {
  top: 23px;
  transform: rotate(-45deg);
}


/* ========================================
   Smartphone Navigation
======================================== */

.site-header__sp-menu {
  display: none;
}


/* ========================================
   Tablet / Smartphone
======================================== */

@media screen and (max-width: 1024px) {

  .site-header__inner {
    min-height: 72px;

    padding-left: var(--container-padding);
  }

  .site-header__menu-area {
    display: none;
  }

  .site-header__menu-button {
    display: block;
  }

  .site-header__logo .custom-logo {
    max-width: 150px;
    max-height: 56px;
  }


  /* SPメニュー */

  .site-header__sp-menu {
    position: absolute;
    top: 100%;
    left: 0;

    display: block;

    width: 100%;

    background-color: var(--color-bg);

    border-top: 1px solid var(--color-border);

    opacity: 0;
    visibility: hidden;

    transform: translateY(-10px);

    transition:
      opacity var(--transition-base),
      visibility var(--transition-base),
      transform var(--transition-base);
  }

  .site-header__sp-menu.is-open {
    opacity: 1;
    visibility: visible;

    transform: translateY(0);
  }

  .sp-nav {
    margin: 0;
    padding: 20px var(--container-padding);

    list-style: none;
  }

  .sp-nav li {
    margin: 0;
    padding: 0;

    border-bottom: 1px solid var(--color-border);
  }

  .sp-nav a {
    display: block;

    padding: 18px 0;

    color: var(--color-heading);

    font-family: var(--font-heading);
    font-size: 18px;

    letter-spacing: 0.08em;

    opacity: 1;
  }

  .sp-nav .menu-description {
    margin-top: 4px;

    font-family: var(--font-base);
    font-size: 11px;
  }

  .sp-nav__contact {
    display: flex;
    align-items: center;
    justify-content: center;

    margin: 0 var(--container-padding) 30px;
    padding: 16px;

    background-color: var(--color-main);
    color: var(--color-white);

    font-family: var(--font-base);
    font-size: var(--font-size-sm);

    letter-spacing: 0.1em;

    opacity: 1;
  }

  .sp-nav__contact:visited {
  color: var(--color-white);
}

}


/* ========================================
   Smartphone
======================================== */

@media screen and (max-width: 768px) {

  .site-header__inner {
    min-height: 64px;
  }

  .site-header__logo .custom-logo {
    max-width: 135px;
    max-height: 50px;
  }
}