:root {
  --okg-header-bg: #ffffff;
  --okg-header-accent: #1760ad;
  --okg-header-text: #102c55;
  --okg-header-muted: rgba(16, 44, 85, 0.7);
  --okg-header-line: rgba(16, 44, 85, 0.12);
  --okg-header-height: 116px;
  --okg-header-height-scrolled: 78px;
}

body.front-page,
body.home {
  padding-top: 0 !important;
}

body:not(.front-page):not(.home) {
  padding-top: 0 !important;
}

body.okg-mobile-open {
  overflow: hidden;
}

.okg-smart-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1400;
  color: var(--okg-header-text);
  background: var(--okg-header-bg);
  border-bottom: 1px solid transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
}

.okg-smart-header::before {
  content: none;
}

.okg-smart-header.is-scrolled,
.okg-smart-header.is-dropdown-open,
.okg-smart-header.is-mobile-open {
  --okg-header-accent: #1760ad;
  --okg-header-text: #102c55;
  --okg-header-muted: rgba(16, 44, 85, 0.7);
  --okg-header-line: rgba(16, 44, 85, 0.12);
  background: #ffffff;
  border-color: transparent;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.okg-smart-header__inner {
  box-sizing: border-box;
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: none;
  margin-inline: 0;
  padding-inline: 50px 54px;
  height: var(--okg-header-height);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 30px;
  border-bottom: 0;
  transition: height 0.35s ease;
}

.okg-smart-header.is-scrolled .okg-smart-header__inner {
  height: var(--okg-header-height-scrolled);
}

.okg-smart-header__brand {
  display: inline-flex;
  align-items: center;
  align-self: stretch;
  min-width: 260px;
  gap: 18px;
  padding-inline: 24px;
  text-decoration: none;
  color: #102c55;
  background: transparent;
}

.okg-smart-header__brand-mark {
  width: 58px;
  height: 58px;
  display: block;
  object-fit: cover;
  object-position: left center;
  filter: drop-shadow(0 2px 8px rgba(27, 39, 68, 0.12));
  transition: filter 0.25s ease;
  flex-shrink: 0;
}

.okg-smart-header.is-scrolled .okg-smart-header__brand-mark,
.okg-smart-header.is-dropdown-open .okg-smart-header__brand-mark,
.okg-smart-header.is-mobile-open .okg-smart-header__brand-mark {
  filter: drop-shadow(0 1px 4px rgba(27, 39, 68, 0.12));
}

.okg-smart-header.is-scrolled .okg-smart-header__brand,
.okg-smart-header.is-dropdown-open .okg-smart-header__brand,
.okg-smart-header.is-mobile-open .okg-smart-header__brand {
  padding-inline: 0;
  background: transparent;
}

.okg-smart-header.is-scrolled .okg-smart-header__link,
.okg-smart-header.is-dropdown-open .okg-smart-header__link,
.okg-smart-header.is-mobile-open .okg-smart-header__link {
  color: var(--okg-header-text);
  text-shadow: none;
}

.okg-smart-header__brand-mark--fallback {
  width: auto;
  height: auto;
  object-fit: initial;
  object-position: initial;
  font: 700 var(--fs-sm)/1 "Noto Sans JP", sans-serif;
  letter-spacing: 0.14em;
  color: var(--okg-header-text);
  text-shadow: none;
}

.okg-smart-header__brand-copy {
  display: grid;
  gap: 2px;
}

.okg-smart-header__brand-jp {
  font-family: "Noto Serif JP", "Yu Mincho", serif;
  font-size: var(--fs-lg);
  letter-spacing: 0.08em;
  line-height: 1.2;
  color: #102c55;
  text-shadow: none;
  white-space: nowrap;
}

.okg-smart-header__brand-en {
  font-family: "Noto Sans JP", sans-serif;
  font-size: var(--fs-2xs);
  letter-spacing: 0.18em;
  line-height: 1;
  color: var(--okg-header-muted);
  white-space: nowrap;
}

.okg-smart-header__nav {
  min-width: 0;
}

.okg-smart-header__nav-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: clamp(14px, 1.6vw, 30px);
}

.okg-smart-header__link,
.okg-smart-header__company-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 0;
  background: transparent;
  padding: 8px 0;
  font: 600 15px/1.2 "Noto Sans JP", sans-serif;
  letter-spacing: 0.06em;
  color: var(--okg-header-text);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.25s ease;
}

.okg-smart-header__link::after,
.okg-smart-header__company-trigger::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left center;
  background: var(--okg-header-accent);
  transition: transform 0.25s ease;
}

.okg-smart-header__link:hover,
.okg-smart-header__link:focus-visible,
.okg-smart-header__company-trigger:hover,
.okg-smart-header__company-trigger:focus-visible,
.okg-smart-header__nav-item.is-active .okg-smart-header__company-trigger,
.okg-smart-header__nav-item.is-active .okg-smart-header__link {
  color: var(--okg-header-accent);
}

.okg-smart-header__link:hover::after,
.okg-smart-header__link:focus-visible::after,
.okg-smart-header__company-trigger:hover::after,
.okg-smart-header__company-trigger:focus-visible::after,
.okg-smart-header__nav-item.is-active .okg-smart-header__company-trigger::after,
.okg-smart-header__nav-item.is-active .okg-smart-header__link::after {
  transform: scaleX(1);
}

.okg-smart-header__caret {
  font-size: var(--fs-xs);
  line-height: 1;
  transition: transform 0.28s ease;
}

.okg-smart-header__nav-item.is-active .okg-smart-header__caret {
  transform: rotate(180deg);
}


.okg-smart-header__nav-item {
  position: relative;
}

.okg-smart-header__nav-item-main {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.okg-smart-header__dropdown-trigger--icon {
  min-width: 18px;
  padding-inline: 0;
}

.okg-smart-header__dropdown {
  position: absolute;
  top: calc(100% + 18px);
  right: -80px;
  width: min(760px, calc(100vw - 64px));
  min-height: 220px;
  border: 1px solid rgba(27, 39, 68, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 20px 36px rgba(27, 39, 68, 0.12);
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  opacity: 0;
  transform: translateY(-8px) scale(0.985);
  pointer-events: none;
  visibility: hidden;
  overflow: hidden;
}

.okg-smart-header__dropdown::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(27, 39, 68, 0.16);
}

.okg-smart-header__nav-item.is-active > .okg-smart-header__dropdown {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  visibility: visible;
}

.okg-smart-header__dropdown-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
}

.okg-smart-header__dropdown-inner {
  position: relative;
  z-index: 2;
  padding: 26px 30px 30px;
}

.okg-smart-header__dropdown-eyebrow {
  margin: 0 0 14px;
  color: rgba(27, 39, 68, 0.7);
  font: 600 var(--fs-2xs)/1 "Noto Sans JP", sans-serif;
  letter-spacing: 0.24em;
}

.okg-smart-header__dropdown-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 16px;
}

.okg-smart-header__dropdown-links a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid rgba(27, 39, 68, 0.12);
  border-radius: 10px;
  color: var(--okg-header-text);
  text-decoration: none;
  font: 500 var(--fs-sm)/1.3 "Noto Sans JP", sans-serif;
  letter-spacing: 0.06em;
  background: rgba(255, 255, 255, 0.88);
  transition: border-color 0.24s ease, background-color 0.24s ease, color 0.24s ease;
}

.okg-smart-header__dropdown-links a:hover,
.okg-smart-header__dropdown-links a:focus-visible {
  border-color: rgba(27, 39, 68, 0.22);
  background: #f6f7f9;
  color: var(--okg-header-text);
}

.okg-smart-header__menu-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 12px;
  border: 1px solid rgba(27, 39, 68, 0.16);
  background: rgba(255, 255, 255, 0.86);
  color: var(--okg-header-text);
  border-radius: 999px;
  cursor: pointer;
}

.okg-smart-header__menu-toggle-box {
  width: 20px;
  height: 12px;
  display: inline-flex;
  align-items: center;
}

.okg-smart-header__menu-toggle-line,
.okg-smart-header__menu-toggle-line::before,
.okg-smart-header__menu-toggle-line::after {
  content: "";
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.24s ease, opacity 0.24s ease;
}

.okg-smart-header__menu-toggle-line {
  position: relative;
}

.okg-smart-header__menu-toggle-line::before {
  position: absolute;
  top: -6px;
  left: 0;
}

.okg-smart-header__menu-toggle-line::after {
  position: absolute;
  top: 6px;
  left: 0;
}

.okg-smart-header.is-mobile-open .okg-smart-header__menu-toggle-line {
  transform: rotate(45deg);
}

.okg-smart-header.is-mobile-open .okg-smart-header__menu-toggle-line::before {
  transform: translateY(6px) rotate(-90deg);
}

.okg-smart-header.is-mobile-open .okg-smart-header__menu-toggle-line::after {
  opacity: 0;
}

.okg-smart-header__menu-toggle-label {
  font: 600 var(--fs-xs)/1 "Noto Sans JP", sans-serif;
  letter-spacing: 0.16em;
}

.okg-smart-header__drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1401;
  border: 0;
  background: rgba(27, 39, 68, 0.16);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}

.okg-smart-header__drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1402;
  box-sizing: border-box;
  width: min(350px, calc(100vw - 32px));
  height: 100dvh;
  padding: 104px 24px 30px;
  background: #ffffff;
  border-left: 1px solid rgba(27, 39, 68, 0.12);
  transform: translateX(103%);
  transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.2, 1);
}

.okg-smart-header__drawer-nav {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.okg-smart-header__drawer-back {
  width: 100%;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--okg-header-text);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(27, 39, 68, 0.12);
  font: 500 var(--fs-base)/1.2 "Noto Sans JP", sans-serif;
  letter-spacing: 0.06em;
  padding: 0 2px;
  margin: 0 0 4px;
  cursor: pointer;
}

.okg-smart-header__drawer-back::before {
  content: "";
  width: 8px;
  height: 8px;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
}

.okg-smart-header__drawer-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
}

.okg-smart-header__drawer-list > li > a,
.okg-smart-header__drawer-link-main,
.okg-smart-header__accordion-toggle {
  width: 100%;
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--okg-header-text);
  text-decoration: none;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(27, 39, 68, 0.12);
  font: 500 var(--fs-base)/1.2 "Noto Sans JP", sans-serif;
  letter-spacing: 0.06em;
  padding: 0 2px;
  cursor: pointer;
}

.okg-smart-header__drawer-list > li > a:hover,
.okg-smart-header__drawer-link-main:hover,
.okg-smart-header__accordion-toggle:hover,
.okg-smart-header__drawer-back:hover {
  color: var(--okg-header-accent);
}

.okg-smart-header__drawer-group.is-open .okg-smart-header__accordion-toggle,
.okg-smart-header__drawer-group.is-open .okg-smart-header__drawer-link-main {
  color: var(--okg-header-accent);
}

.okg-smart-header__drawer-link-row {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid rgba(27, 39, 68, 0.12);
}

.okg-smart-header__drawer-link-row .okg-smart-header__drawer-link-main {
  flex: 1;
  border-bottom: 0;
}

.okg-smart-header__drawer-link-row .okg-smart-header__accordion-toggle {
  width: auto;
  min-width: 46px;
  justify-content: center;
  border-bottom: 0;
  padding-inline: 4px;
}

.okg-smart-header__accordion-panel {
  margin: 0;
  padding: 0;
  list-style: none;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.okg-smart-header__drawer-group.is-open .okg-smart-header__accordion-panel {
  max-height: 260px;
}

.okg-smart-header__accordion-panel a {
  display: block;
  color: var(--okg-header-muted);
  text-decoration: none;
  font: 500 var(--fs-sm)/1.2 "Noto Sans JP", sans-serif;
  letter-spacing: 0.05em;
  padding: 11px 4px 11px 14px;
}

.okg-smart-header__accordion-panel a:hover,
.okg-smart-header__accordion-panel a:focus-visible {
  color: var(--okg-header-text);
}

.okg-smart-header.is-mobile-open .okg-smart-header__drawer {
  transform: translateX(0);
}

.okg-smart-header.is-mobile-open .okg-smart-header__drawer-backdrop {
  opacity: 1;
  pointer-events: auto;
}

.okg-smart-header__link:focus-visible,
.okg-smart-header__company-trigger:focus-visible,
.okg-smart-header__menu-toggle:focus-visible,
.okg-smart-header__drawer a:focus-visible,
.okg-smart-header__accordion-toggle:focus-visible,
.okg-smart-header__drawer-back:focus-visible {
  outline: 2px solid var(--okg-header-accent);
  outline-offset: 3px;
}

body.admin-bar .okg-smart-header {
  top: 32px;
}

@media (max-width: 1100px) {
  :root {
    --okg-header-height: 76px;
    --okg-header-height-scrolled: 76px;
  }

  .okg-smart-header__inner {
    height: 76px;
    padding-inline: 22px;
    display: flex;
    justify-content: space-between;
    border-bottom: 0;
  }

  .okg-smart-header__nav {
    display: none;
  }

  .okg-smart-header__brand {
    align-self: center;
    min-width: 0;
    padding-inline: 0;
    background: transparent;
  }

  .okg-smart-header__brand-mark {
    width: 48px;
    height: 48px;
  }

  .okg-smart-header__brand-jp {
    color: #102c55;
    text-shadow: none;
  }

  .okg-smart-header__menu-toggle {
    border-color: rgba(16, 44, 85, 0.16);
    background: #ffffff;
    color: #102c55;
  }

  .okg-smart-header.is-scrolled .okg-smart-header__brand-jp,
  .okg-smart-header.is-mobile-open .okg-smart-header__brand-jp {
    color: var(--okg-header-text);
    text-shadow: none;
  }

  .okg-smart-header.is-scrolled .okg-smart-header__menu-toggle,
  .okg-smart-header.is-mobile-open .okg-smart-header__menu-toggle {
    border-color: rgba(16, 44, 85, 0.16);
    background: #ffffff;
    color: var(--okg-header-text);
  }

  .okg-smart-header__menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }
}

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

@media (max-width: 767px) {
  :root {
    --okg-header-height: 64px;
    --okg-header-height-scrolled: 64px;
  }

  .okg-smart-header__inner {
    height: 64px;
    padding-inline: 16px 12px;
  }

  .okg-smart-header__brand {
    gap: 9px;
  }

  .okg-smart-header__brand-mark {
    width: 40px;
    height: 40px;
  }

  .okg-smart-header__brand-jp {
    font-size: 15px;
  }

  .okg-smart-header__menu-toggle {
    position: absolute;
    top: 11px;
    right: 12px;
    z-index: 4;
    display: inline-flex !important;
    height: 42px;
    padding-inline: 10px;
  }
}

@media (max-width: 640px) {
  .okg-smart-header__brand-en {
    display: none;
  }

  .okg-smart-header__brand-jp {
    font-size: var(--fs-base);
  }
}

@media (prefers-reduced-motion: reduce) {
  .okg-smart-header,
  .okg-smart-header * {
    transition: none !important;
  }
}