.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #1b48a3;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 8px 24px rgba(27, 72, 163, 0.18);
}

.site-header__container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header__main {
  background: #1b48a3;
}

.site-header__main .site-header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  gap: 24px;
}

.site-header__branding {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
  flex: 0 1 auto;
}

.site-header__logo img {
  max-height: 58px;
  width: auto;
  display: block;
}

.site-header__brandtext {
  min-width: 0;
}

.site-header__title {
  display: block;
  color: #ffffff;
  text-decoration: none;
  font-size: 24px;
  font-weight: 800;
  line-height: 1.2;
}

.site-header__title:hover {
  color: #fdf001;
}

.site-header__navwrap {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
}

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

.site-header__menu {
  display: flex;
  align-items: center;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__menu li {
  margin: 0;
  padding: 0;
}

.site-header__menu a {
  color: #ffffff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
  white-space: nowrap;
}

.site-header__menu a:hover,
.site-header__menu .current-menu-item > a,
.site-header__menu .current_page_item > a {
  color: #fdf001;
}

.site-header__cta {
  flex-shrink: 0;
}

.site-header__ctaButton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 26px;
  border-radius: 999px;
  background: #fdf001;
  color: #1b48a3;
  text-decoration: none;
  font-size: 15px;
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.16);
  transition: transform 0.2s ease, filter 0.2s ease;
}

.site-header__ctaButton:hover {
  transform: translateY(-1px);
  filter: brightness(1.02);
  color: #14377d;
}

.site-header__toggle {
  display: none;
}

.mobile-floating-toggle {
  display: none;
}

.site-header__toggle,
.mobile-floating-toggle {
  width: 54px;
  height: 54px;
  border: 0;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 30px rgba(27, 72, 163, 0.18);
  padding: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.site-header__toggle span,
.mobile-floating-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: #1b48a3;
  transition: all 0.2s ease;
}

.site-header__toggle.is-open span:nth-child(1),
.mobile-floating-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header__toggle.is-open span:nth-child(2),
.mobile-floating-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.site-header__toggle.is-open span:nth-child(3),
.mobile-floating-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.screen-reader-text {
  position: absolute;
  left: -9999px;
}

/* 管理バー補正 */
body.admin-bar .site-header {
  top: 32px;
}

@media screen and (max-width: 782px) {
  body.admin-bar .site-header {
    top: 46px;
  }
}

@media (max-width: 1200px) {
  .site-header__main .site-header__container {
    gap: 18px;
  }

  .site-header__menu {
    gap: 16px;
  }

  .site-header__menu a {
    font-size: 14px;
  }

  .site-header__ctaButton {
    padding: 0 20px;
  }
}

/* =========================
   Mobile
   ========================= */
@media (max-width: 920px) {
  .site-header {
    position: fixed !important;
    top: 0 !important;
    left: 0;
    right: 0;
    z-index: 10000;
    background: transparent !important;
    border-bottom: none !important;
    box-shadow: none !important;
    transform: translate3d(0, 0, 0);
    opacity: 1;
    visibility: visible;
    transition: transform 0.28s ease, opacity 0.28s ease, visibility 0.28s ease;
    will-change: transform, opacity;
  }

  body.admin-bar .site-header {
    top: 46px !important;
  }

  .site-header.is-hidden-mobile {
    transform: translate3d(0, -110%, 0) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    visibility: hidden !important;
  }

  .site-header__main {
    background: #1b48a3;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 24px rgba(27, 72, 163, 0.18);
  }

  .site-header__main .site-header__container {
    min-height: 72px;
  }

  .site-header__cta,
  .site-header__toggle {
    display: none !important;
  }

  body {
    padding-top: 72px;
  }

  body.admin-bar {
    padding-top: 118px;
  }

  .mobile-floating-toggle {
    position: fixed;
    top: 14px;
    right: 14px;
    z-index: 11000;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  body.admin-bar .mobile-floating-toggle {
    top: 58px;
  }

  .site-header__navwrap {
    position: fixed;
    top: 78px;
    right: 12px;
    left: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
    padding: 18px;
    border-radius: 22px;
    background: rgba(27, 72, 163, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 18px 48px rgba(27, 72, 163, 0.24);
    z-index: 10990;
    backdrop-filter: blur(10px);
  }

  body.admin-bar .site-header__navwrap {
    top: 122px;
  }

  .site-header__navwrap.is-open {
    display: flex;
  }

  .site-header__nav {
    width: 100%;
  }

  .site-header__menu {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .site-header__menu li + li {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
  }

  .site-header__menu a {
    display: block;
    padding: 14px 4px;
    font-size: 15px;
    color: #ffffff;
  }

  .site-header__menu a:hover,
  .site-header__menu .current-menu-item > a,
  .site-header__menu .current_page_item > a {
    color: #fdf001;
  }

  body.menu-open {
    overflow: hidden;
  }

  body.menu-open .site-header {
    transform: translate3d(0, 0, 0) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    visibility: visible !important;
  }
}

@media (max-width: 640px) {
  .site-header__container {
    width: min(100% - 24px, 1180px);
  }

  .site-header__title {
    font-size: 18px;
  }

  .site-header__logo img {
    max-height: 42px;
  }

  .mobile-floating-toggle {
    top: 12px;
    right: 12px;
    width: 52px;
    height: 52px;
    border-radius: 16px;
  }

  body.admin-bar .mobile-floating-toggle {
    top: 56px;
  }

  .site-header__navwrap {
    top: 74px;
  }

  body.admin-bar .site-header__navwrap {
    top: 118px;
  }

  body {
    padding-top: 72px;
  }

  body.admin-bar {
    padding-top: 118px;
  }
}

@media (max-width: 480px) {
  .mobile-floating-toggle {
    width: 50px;
    height: 50px;
  }

  .site-header__navwrap {
    left: 10px;
    right: 10px;
    top: 70px;
    border-radius: 18px;
    padding: 16px;
  }

  body.admin-bar .site-header__navwrap {
    top: 114px;
  }

  .site-header__menu a {
    font-size: 14px;
    padding: 13px 2px;
  }

  body {
    padding-top: 70px;
  }

  body.admin-bar {
    padding-top: 114px;
  }
}