/*
 * Responsive global navigation
 * Tablet and smartphone: full-width sheet below the compact header.
 * Submenus are explicit accordions so the hierarchy stays scannable.
 */

.site-nav__submenu-toggle {
  display: none;
}

/* FINAL 2026-09-09 v34: one color source for every contact action. */
body[data-design="proposal-b"] {
  --contact-web: #2876ad;
  --contact-web-deep: #165482;
  --contact-web-hover: #4a9bd1;
  --contact-tel: #bf7146;
  --contact-tel-deep: #995033;
  --contact-tel-hover: #d7895c;
  --contact-line: #279a5b;
  --contact-line-deep: #146e43;
  --contact-line-hover: #42b875;
  --contact-access: #765e53;
  --contact-access-deep: #4d3a33;
}

body.is-front-page[data-design="proposal-b"] .reserve-band .reserve-card.reserve-card--web,
body[data-design="proposal-b"] :is(.header-reserve, .hero__actions .button--primary, .reservation-action--web, .site-footer__button--web, .desktop-floating-cta__item--web),
body[data-design="proposal-b"] .site-nav__mobile-action--web,
body[data-design="proposal-b"] nav.floating-cta a.floating-cta__item--web {
  color: #fff;
  background: linear-gradient(135deg, var(--contact-web), var(--contact-web-deep));
  border-color: var(--contact-web-deep);
}

body.is-front-page[data-design="proposal-b"] .reserve-band .reserve-card.reserve-card--tel,
body[data-design="proposal-b"] :is(.site-footer__button--tel, .site-nav__mobile-action--tel),
body[data-design="proposal-b"] nav.floating-cta a.floating-cta__item--tel {
  color: #fff;
  background: linear-gradient(135deg, var(--contact-tel), var(--contact-tel-deep));
  border-color: var(--contact-tel-deep);
}

body.is-front-page[data-design="proposal-b"] .reserve-band .reserve-card.reserve-card--line,
body[data-design="proposal-b"] :is(.site-footer__button--line, .site-nav__mobile-action--line),
body[data-design="proposal-b"] nav.floating-cta a.floating-cta__item--line {
  color: #fff;
  background: linear-gradient(135deg, var(--contact-line), var(--contact-line-deep));
  border-color: var(--contact-line-deep);
}

body[data-design="proposal-b"] :is(.site-nav__mobile-action--access),
body[data-design="proposal-b"] nav.floating-cta a.floating-cta__item--access {
  color: #fff;
  background: linear-gradient(135deg, var(--contact-access), var(--contact-access-deep));
  border-color: var(--contact-access-deep);
}

body[data-design="proposal-b"] .site-footer-instagram a.site-footer-instagram__link {
  color: #c72b83;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid #e65b9b;
}

body[data-design="proposal-b"] .site-footer-instagram a.site-footer-instagram__link:is(:hover, :focus-visible) {
  background: #fff;
  border-color: #f585b5;
}

body.is-front-page[data-design="proposal-b"] .reserve-band .reserve-card.reserve-card--web:is(:hover, :focus-visible),
body[data-design="proposal-b"] :is(.header-reserve, .hero__actions .button--primary, .reservation-action--web, .site-footer__button--web, .desktop-floating-cta__item--web):is(:hover, :focus-visible) {
  background: linear-gradient(135deg, var(--contact-web-hover), var(--contact-web));
}

body.is-front-page[data-design="proposal-b"] .reserve-band .reserve-card.reserve-card--tel:is(:hover, :focus-visible),
body[data-design="proposal-b"] .site-footer__button--tel:is(:hover, :focus-visible) {
  background: linear-gradient(135deg, var(--contact-tel-hover), var(--contact-tel));
}

body.is-front-page[data-design="proposal-b"] .reserve-band .reserve-card.reserve-card--line:is(:hover, :focus-visible),
body[data-design="proposal-b"] .site-footer__button--line:is(:hover, :focus-visible) {
  background: linear-gradient(135deg, var(--contact-line-hover), var(--contact-line));
}

/* The footer action layout has a stronger generic secondary-button rule. */
body[data-design="proposal-b"] .site-footer__actions .site-footer__button--line {
  color: #fff;
  background: linear-gradient(135deg, var(--contact-line), var(--contact-line-deep));
  border-color: var(--contact-line-deep);
}

body[data-design="proposal-b"] .site-footer__actions .site-footer__button--line:is(:hover, :focus-visible) {
  color: #fff;
  background: linear-gradient(135deg, var(--contact-line-hover), var(--contact-line));
  border-color: var(--contact-line);
}

body.is-front-page[data-design="proposal-b"] .reserve-band .reserve-card.reserve-card--access {
  color: #fff;
  background: linear-gradient(135deg, #765e53, #4d3a33);
  border-color: #4d3a33;
}

body.is-front-page[data-design="proposal-b"] .reserve-band .reserve-card.reserve-card--access:is(:hover, :focus-visible) {
  background: linear-gradient(135deg, #8a7064, #765e53);
}

body.is-front-page[data-design="proposal-b"] .reserve-band .reserve-card::after {
  display: none;
}

/* Shared contact symbols: floating bar, mobile menu and home reservation band. */
body[data-design="proposal-b"] .floating-cta__icon {
  position: relative;
  width: 19px;
  height: 19px;
  display: block;
  flex: 0 0 19px;
  color: currentColor;
}

body[data-design="proposal-b"] .floating-cta__icon--tel::before {
  display: block;
  font: 19px/19px Arial, sans-serif;
  content: "☎";
}

body[data-design="proposal-b"] .floating-cta__icon--web {
  border: 1.5px solid currentColor;
  border-radius: 2px;
}

body[data-design="proposal-b"] .floating-cta__icon--web::before {
  position: absolute;
  top: 4px;
  right: 2px;
  left: 2px;
  height: 1.5px;
  background: currentColor;
  box-shadow: 0 4px currentColor, 0 8px currentColor;
  content: "";
}

body[data-design="proposal-b"] .floating-cta__icon--line {
  width: 24px;
  height: 18px;
  display: grid;
  place-items: center;
  border: 1.5px solid currentColor;
  border-radius: 5px;
  font: 800 0.48rem/1 Arial, sans-serif;
}

body[data-design="proposal-b"] .floating-cta__icon--access {
  width: 16px;
  height: 16px;
  border: 1.5px solid currentColor;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
}

body[data-design="proposal-b"] .floating-cta__icon--access::before {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 5px;
  height: 5px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  content: "";
}

body.is-front-page[data-design="proposal-b"] .reserve-card > .reserve-card__icon {
  position: absolute;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
}

body.is-front-page[data-design="proposal-b"] .reserve-card > .reserve-card__icon.floating-cta__icon--access {
  transform: translateY(-50%) rotate(-45deg);
}

@media (max-width: 920px) {
  body.is-front-page[data-design="proposal-b"] .reserve-band__grid {
    align-items: stretch;
  }

  body.is-front-page[data-design="proposal-b"] .reserve-card {
    grid-template-rows: 18px minmax(38px, auto) minmax(34px, auto);
    align-content: center;
    justify-items: start;
    text-align: left;
  }

  body.is-front-page[data-design="proposal-b"] .reserve-card__label,
  body.is-front-page[data-design="proposal-b"] .reserve-card__value,
  body.is-front-page[data-design="proposal-b"] .reserve-card__note {
    align-self: start;
    width: 100%;
    margin-left: 0;
    text-align: left;
  }

  body.is-front-page[data-design="proposal-b"] section.reserve-band .reserve-band__grid > a.reserve-card.reserve-card--action {
    grid-template-columns: minmax(0, 1fr);
    justify-items: start;
    text-align: left;
  }

  body.is-front-page[data-design="proposal-b"] section.reserve-band .reserve-band__grid > a.reserve-card.reserve-card--action > :is(.reserve-card__label, .reserve-card__value, .reserve-card__note) {
    width: 100%;
    max-width: none;
    margin-left: 0;
    justify-self: stretch;
    text-align: left;
  }
}

@media (min-width: 681px) and (max-width: 920px) {
  body.is-front-page[data-design="proposal-b"] .reserve-band {
    padding-block: 12px;
  }

  body.is-front-page[data-design="proposal-b"] .reserve-band__grid {
    width: min(calc(100% - 32px), 860px);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  body.is-front-page[data-design="proposal-b"] .reserve-card.ui-cta-panel,
  body.is-front-page[data-design="proposal-b"] .reserve-card.ui-info-card {
    min-height: 120px;
    padding: 14px 52px 14px 18px;
  }

  body.is-front-page[data-design="proposal-b"] .reserve-card.ui-info-card :is(.reserve-card__label, .reserve-card__value, .reserve-card__note) {
    grid-column: 1;
  }
}

/* Tablet: keep two equal rows while four compact cards would be too narrow. */
@media (min-width: 681px) and (max-width: 920px) {
  body.is-front-page[data-design="proposal-b"] .reserve-band__grid {
    position: static;
    left: auto;
    width: min(calc(100% - 32px), 960px);
    margin-inline: auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  body.is-front-page[data-design="proposal-b"] .reserve-card.ui-cta-panel {
    min-height: 120px;
    padding: 14px 52px 14px 18px;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    align-content: center;
    justify-items: start;
    gap: 4px;
    box-sizing: border-box;
  }

  body.is-front-page[data-design="proposal-b"] .reserve-card.ui-info-card :is(.reserve-card__label, .reserve-card__value, .reserve-card__note) {
    grid-column: 1;
  }

  body.is-front-page[data-design="proposal-b"] .reserve-card__label,
  body.is-front-page[data-design="proposal-b"] .reserve-card__value,
  body.is-front-page[data-design="proposal-b"] .reserve-card__note {
    width: 100%;
    max-width: none;
    margin: 0;
    white-space: normal;
    text-align: left;
  }

  body.is-front-page[data-design="proposal-b"] .reserve-card__note {
    font-size: 0.76rem;
    line-height: 1.4;
  }
}

@media (max-width: 680px) {
  body.is-front-page[data-design="proposal-b"] .reserve-band {
    display: none;
  }
}

/* Desktop: a single compact row, including narrower laptop windows. */
@media (min-width: 921px) {
  body.is-front-page[data-design="proposal-b"] .reserve-band__grid {
    position: static;
    left: auto;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
  }

  body.is-front-page[data-design="proposal-b"] .reserve-card.ui-cta-panel {
    min-height: 112px;
    padding: 14px 42px 14px 16px;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    align-content: center;
    gap: 3px;
  }

  body.is-front-page[data-design="proposal-b"] .reserve-card :is(.reserve-card__label, .reserve-card__value, .reserve-card__note) {
    width: 100%;
    max-width: none;
    margin: 0;
    white-space: normal;
  }

  body.is-front-page[data-design="proposal-b"] .reserve-card__value,
  body.is-front-page[data-design="proposal-b"] .reserve-card:nth-child(2) .reserve-card__value {
    font-size: clamp(0.96rem, 1.25vw, 1.2rem);
    line-height: 1.3;
  }

  body.is-front-page[data-design="proposal-b"] .reserve-card__note {
    font-size: 0.68rem;
    line-height: 1.35;
  }
}

/* Two compact reservation actions on tablet; phones retain full-width targets. */
@media (min-width: 681px) and (max-width: 1100px) {
  body[data-design="proposal-b"] .common-cta--reservation .reservation-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    width: min(calc(100% - 40px), 960px);
  }

  body[data-design="proposal-b"] .common-cta--reservation .reservation-action.ui-cta-panel {
    min-height: 88px;
    padding: 18px 52px 18px 22px;
  }

  body[data-design="proposal-b"] .common-cta--reservation .reservation-action + .reservation-action {
    border-top: 0;
    border-left: 0;
  }

  body[data-design="proposal-b"] .common-cta--reservation .reservation-action strong {
    font-size: clamp(1.05rem, 2vw, 1.3rem);
  }
}

body.is-front-page[data-design="proposal-b"] a.reserve-card--hours {
  text-decoration: none;
  cursor: pointer;
}

body.is-front-page[data-design="proposal-b"] a.reserve-card--hours:is(:hover, :focus-visible) {
  border-color: #739c8d;
  box-shadow: 0 8px 22px rgba(49, 80, 71, 0.12);
}

@media (max-width: 680px) {
  body.is-front-page[data-design="proposal-b"] .reserve-card,
  body.is-front-page[data-design="proposal-b"] .reserve-card--hours {
    min-height: 128px;
  }

  body[data-design="proposal-b"] .floating-cta {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  body[data-design="proposal-b"] .floating-cta .floating-cta__item {
    width: auto;
    min-width: 0;
    font-size: clamp(0.58rem, 2.55vw, 0.7rem);
  }
}

@media (min-width: 681px) and (max-width: 1000px) {
  body.is-front-page[data-design="proposal-b"] .hero__copy {
    width: calc(min(58vw, 560px) - 12px);
    max-width: calc(min(58vw, 560px) - 12px);
    margin-left: 12px;
  }
}

.site-nav__mobile-actions {
  display: none;
}

body[data-design="proposal-b"] {
  --navigation-text: var(--component-text);
  --navigation-accent: var(--component-accent);
  --navigation-line: var(--component-line);
  --navigation-surface: var(--component-surface);
  --navigation-surface-glass: var(--component-surface-glass);
}

body[data-design="proposal-b"] .site-nav__parent-toggle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  appearance: none;
  color: rgba(255, 250, 242, 0.92);
  background: transparent;
  border: 0;
  border-radius: 0;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 700;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
}

@media (min-width: 901px) {
  body[data-design="proposal-b"] .site-nav__parent-toggle {
    min-height: 44px;
    padding: 14px clamp(11px, 1.15vw, 17px);
    box-sizing: border-box;
  }

  body[data-design="proposal-b"] .site-nav__parent-toggle::after {
    position: absolute;
    right: clamp(11px, 1.15vw, 17px);
    bottom: 7px;
    left: clamp(11px, 1.15vw, 17px);
    height: 2px;
    content: "";
    background: var(--cosmo-orange);
    transform: scaleX(0);
    transition: transform var(--component-motion-fast);
  }

  body[data-design="proposal-b"] .site-nav__item.is-current > .site-nav__parent-toggle::after,
  body[data-design="proposal-b"] .site-nav__parent-toggle:hover::after,
  body[data-design="proposal-b"] .site-nav__parent-toggle:focus-visible::after {
    transform: scaleX(1);
  }

  body[data-design="proposal-b"] .site-nav__parent-toggle:hover,
  body[data-design="proposal-b"] .site-nav__parent-toggle:focus-visible {
    color: #fff;
  }

  body.is-front-page:not(.is-nav-stuck)[data-design="proposal-b"] .site-nav__parent-toggle {
    color: #fff;
    border: 1px solid transparent;
    border-radius: 4px;
    transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
  }

  body.is-front-page:not(.is-nav-stuck)[data-design="proposal-b"] .site-nav__parent-toggle:hover,
  body.is-front-page:not(.is-nav-stuck)[data-design="proposal-b"] .site-nav__parent-toggle:focus-visible {
    color: #fffaf2;
    background: rgba(255, 255, 255, 0.13);
    border-color: rgba(255, 255, 255, 0.2);
    -webkit-backdrop-filter: blur(12px) saturate(1.08);
    backdrop-filter: blur(12px) saturate(1.08);
  }
}

@media (max-width: 900px) {
  body.is-menu-open {
    overflow: hidden;
  }

  body.is-menu-open::before {
    display: none;
  }

  body.is-menu-open[data-design="proposal-b"] .site-header,
  body.is-menu-open[data-design="proposal-b"] .site-header__top {
    z-index: 1000;
    background: #fbfcfb;
    border-bottom-color: rgba(38, 70, 61, 0.14);
    box-shadow: 0 10px 28px rgba(24, 42, 33, 0.12);
  }

  body.is-menu-open[data-design="proposal-b"] :is(.site-logo__text, .site-logo__sub) {
    color: #29423c;
    text-shadow: none;
  }

  body[data-design="proposal-b"] .menu-toggle {
    z-index: 1005;
  }

  body[data-design="proposal-b"] .site-nav,
  body[data-design="proposal-b"] .site-nav.is-open {
    position: fixed;
    z-index: 1004;
    top: var(--header-height-mobile);
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: calc(100dvh - var(--header-height-mobile));
    max-height: none;
    margin: 0;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    color: var(--navigation-text);
    background: var(--navigation-surface-glass);
    -webkit-backdrop-filter: blur(20px) saturate(0.72) brightness(0.92);
    backdrop-filter: blur(20px) saturate(0.72) brightness(0.92);
    border: 0;
    border-top: 1px solid var(--navigation-line);
    border-radius: 0;
    box-shadow: none;
    -webkit-overflow-scrolling: touch;
    transform: translateX(0);
    transform-origin: right center;
  }

  body[data-design="proposal-b"] .site-nav.is-open {
    min-height: 0;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(0);
  }

  body[data-design="proposal-b"] .site-nav.is-open::before {
    display: block;
    padding: 22px 24px 14px;
    color: var(--navigation-accent);
    content: "MENU  /  メニュー";
    border-bottom: 1px solid rgba(38, 70, 61, 0.12);
    font-family: var(--component-font-ui);
    font-size: 0.72rem;
    font-weight: 760;
    letter-spacing: 0.12em;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__list {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    justify-content: stretch;
    width: min(100%, 680px);
    max-width: none;
    padding: 8px 32px 12px;
    margin: 0 auto;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__mobile-actions {
    width: min(calc(100% - 64px), 616px);
    margin: 0 auto 28px;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  body[data-design="proposal-b"] .site-nav__mobile-action {
    position: relative;
    min-height: 148px;
    padding: 20px;
    display: inline-flex;
    flex-direction: column;
    gap: 7px;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    color: #fff;
    border: 1px solid transparent;
    border-radius: 4px;
    font-family: var(--component-font-ui);
    font-size: 0.82rem;
    font-weight: 760;
    line-height: 1.25;
    text-align: center;
  }

  body[data-design="proposal-b"] .site-nav__mobile-action strong {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    font-size: 1rem;
    line-height: 1.5;
  }

  body[data-design="proposal-b"] .site-nav__mobile-action small {
    display: block;
    font-size: 0.78rem;
    font-weight: 500;
    line-height: 1.65;
    overflow-wrap: anywhere;
  }

  body[data-design="proposal-b"] .site-nav__mobile-action--tel {
    background: linear-gradient(135deg, var(--contact-tel), var(--contact-tel-deep));
  }

  body[data-design="proposal-b"] .site-nav__mobile-action--web {
    background: linear-gradient(135deg, var(--contact-web), var(--contact-web-deep));
  }

  body[data-design="proposal-b"] .site-nav__mobile-action--line {
    background: linear-gradient(135deg, var(--contact-line), var(--contact-line-deep));
  }

  body[data-design="proposal-b"] .site-nav__mobile-action--access {
    background: linear-gradient(135deg, #765e53, #4d3a33);
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__item {
    width: 100%;
    max-width: none;
    min-width: 0;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__item--has-dropdown {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 46px;
    align-items: center;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__list > li > a,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__link {
    width: 100%;
    min-width: 0;
    min-height: 54px;
    padding: 15px 6px;
    color: var(--navigation-text);
    background: transparent;
    border-bottom: 1px solid var(--navigation-line);
    font-size: 0.95rem;
    font-weight: 720;
    font-family: var(--component-font-ui);
    line-height: 1.45;
    text-shadow: none;
    white-space: normal;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__item--has-dropdown > .site-nav__link {
    grid-column: 1;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__link > .site-nav__chevron {
    display: none;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__submenu-toggle {
    grid-column: 2;
    width: 46px;
    height: 100%;
    min-height: 54px;
    margin-left: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--navigation-accent);
    background: transparent;
    border: 0;
    border-radius: 0;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__item--has-dropdown > .site-nav__parent-toggle {
    grid-column: 1 / -1;
    width: 100%;
    height: auto;
    min-height: 54px;
    padding: 15px 18px 15px 6px;
    display: flex;
    justify-content: space-between;
    color: var(--navigation-text);
    border-bottom: 1px solid var(--navigation-line);
    text-shadow: none;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__item--has-dropdown > .site-nav__parent-toggle::after {
    display: none;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__item--has-dropdown:has(> .site-nav__link:hover) > .site-nav__link,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__item--has-dropdown:has(> .site-nav__link:hover) > .site-nav__submenu-toggle,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__item--has-dropdown:has(> .site-nav__link:focus-visible) > .site-nav__link,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__item--has-dropdown:has(> .site-nav__link:focus-visible) > .site-nav__submenu-toggle,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__item--has-dropdown:has(> .site-nav__submenu-toggle:hover) > .site-nav__link,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__item--has-dropdown:has(> .site-nav__submenu-toggle:hover) > .site-nav__submenu-toggle,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__item--has-dropdown:has(> .site-nav__submenu-toggle:focus-visible) > .site-nav__link,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__item--has-dropdown:has(> .site-nav__submenu-toggle:focus-visible) > .site-nav__submenu-toggle {
    background: var(--navigation-surface);
  }

  body[data-design="proposal-b"] .site-nav__submenu-chevron {
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
    transition: transform 180ms ease;
  }

  body[data-design="proposal-b"] .site-nav__submenu-toggle[aria-expanded="true"] .site-nav__submenu-chevron {
    transform: translateY(2px) rotate(225deg);
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown {
    position: static;
    grid-column: 1 / -1;
    width: auto;
    min-width: 0;
    max-width: none;
    max-height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: none;
    transition: max-height 260ms cubic-bezier(0.22, 1, 0.36, 1), opacity 160ms ease, padding 180ms ease;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__item--has-dropdown.is-submenu-open .site-nav__dropdown {
    max-height: 620px;
    padding-top: 0;
    padding-bottom: 12px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown a {
    min-height: 42px;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    color: #405149;
    background: transparent;
    border: 0;
    border-left: 0;
    border-bottom: 1px solid rgba(38, 70, 61, 0.1);
    border-radius: 0;
    box-shadow: none;
    font-size: 0.84rem;
    line-height: 1.45;
    opacity: 1;
    transform: none;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown .site-nav__dropdown-link--overview {
    width: auto;
    margin-left: 12px;
    color: #285440;
    background: transparent;
    font-weight: 760;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown .site-nav__dropdown-link--subpage {
    width: auto;
    margin-left: 28px;
    padding-left: 12px;
    border-left: 0;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown .site-nav__dropdown-link--overview:hover,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown .site-nav__dropdown-link--overview:focus-visible {
    color: #174a34;
    background: var(--navigation-surface);
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown .site-nav__dropdown-link--subpage:hover,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown .site-nav__dropdown-link--subpage:focus-visible {
    color: #174a34;
    background: var(--navigation-surface);
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown .site-nav__dropdown-link--subpage[aria-current="page"] {
    color: #174a34;
    background: transparent;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__list > li > a:hover,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__list > li > a:focus-visible,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__link:hover,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__link:focus-visible,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown a:hover,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown a:focus-visible {
    background: var(--navigation-surface);
    box-shadow: none;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown a:hover::before,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown a:hover::after,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown a:focus-visible::before,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown a:focus-visible::after {
    display: none;
    content: none;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown-link--overview[aria-current="page"] {
    background: transparent;
    border-radius: 0;
    box-shadow: none;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown-link--overview[aria-current="page"]:hover,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown-link--overview[aria-current="page"]:focus-visible {
    background: var(--navigation-surface);
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown-link--overview[aria-current="page"]::before,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__dropdown-link--overview[aria-current="page"]::after {
    display: none;
    content: none;
  }

  body.is-menu-open[data-design="proposal-b"] :is(.floating-cta, .desktop-floating-cta, .page-top-button) {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }
}

@media (max-width: 540px) {
  body[data-design="proposal-b"] .site-nav.is-open::before {
    padding: 18px 20px 10px;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__list {
    width: 100%;
    padding: 6px 20px 28px;
  }

  body[data-design="proposal-b"] .site-nav.is-open .site-nav__list > li > a,
  body[data-design="proposal-b"] .site-nav.is-open .site-nav__link {
    min-height: 50px;
    padding-block: 13px;
    font-size: 0.92rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  body[data-design="proposal-b"] .site-nav,
  body[data-design="proposal-b"] .site-nav__dropdown,
  body[data-design="proposal-b"] .site-nav__submenu-chevron {
    transition: none;
  }
}

/* 2026-09-04: keep the compact navigation reachable while scrolling. */
@media (max-width: 900px) {
  body[data-design="proposal-b"] .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
  }

  body[data-design="proposal-b"] .site-header__top {
    position: relative;
    z-index: 1000;
  }

  body[data-design="proposal-b"] .menu-toggle {
    z-index: 1005;
  }
}

/* FINAL 2026-09-09: square text-sized HERO cushion and shared left gutter. */
body.is-front-page[data-design="proposal-b"] .hero__inner.container {
  width: 100%;
  max-width: 1440px;
  padding-right: clamp(32px, 6vw, 96px);
  padding-left: clamp(32px, 6vw, 96px);
  box-sizing: border-box;
}

body.is-front-page[data-design="proposal-b"] .hero__copy {
  width: min(720px, 58vw);
  max-width: calc(100vw - clamp(64px, 12vw, 192px));
  margin-right: auto;
  margin-left: 0;
  text-align: left;
}

body.is-front-page[data-design="proposal-b"] .hero__message-panel {
  width: fit-content;
  max-width: 100%;
  padding: 0;
  box-sizing: border-box;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  transform: none;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

body.is-front-page[data-design="proposal-b"] .hero__message-panel > .eyebrow,
body.is-front-page[data-design="proposal-b"] .hero__title-line,
body.is-front-page[data-design="proposal-b"] .hero__lead-line {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin-left: 0;
  padding: 5px clamp(10px, 1.2vw, 16px);
  box-sizing: border-box;
  background: rgba(255, 255, 255, 0.34);
  border: 0;
  border-radius: 0;
  -webkit-backdrop-filter: blur(9px) saturate(1.06);
  backdrop-filter: blur(9px) saturate(1.06);
}

body.is-front-page[data-design="proposal-b"] .hero__message-panel > .eyebrow {
  margin-bottom: 5px;
}

body.is-front-page[data-design="proposal-b"] .hero__message-panel h1 {
  margin: 0;
}

body.is-front-page[data-design="proposal-b"] .hero__title-line + .hero__title-line,
body.is-front-page[data-design="proposal-b"] .hero__lead-line + .hero__lead-line {
  margin-top: 4px;
}

body.is-front-page[data-design="proposal-b"] .hero__lead {
  margin-top: 5px;
}

body.is-front-page[data-design="proposal-b"] :is(.hero__actions, .hero__meta) {
  margin-left: 0;
}

@media (min-width: 681px) and (max-width: 1000px) {
  body.is-front-page[data-design="proposal-b"] .hero__inner.container {
    padding-right: clamp(24px, 4vw, 40px);
    padding-left: clamp(24px, 4vw, 40px);
  }

  body.is-front-page[data-design="proposal-b"] .hero__copy {
    width: min(620px, 62vw);
    max-width: calc(100vw - clamp(48px, 8vw, 80px));
    margin-left: 0;
  }
}

@media (max-width: 680px) {
  /* 2026-09-26: keep the movie and message in separate rows on phones. */
  body.is-front-page[data-design="proposal-b"] .hero {
    display: block;
    height: auto;
    min-height: 0;
    aspect-ratio: auto;
  }

  body.is-front-page[data-design="proposal-b"] .hero__media {
    position: relative;
    inset: auto;
    width: 100%;
    height: auto;
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  body.is-front-page[data-design="proposal-b"] .hero__media video {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }

  body.is-front-page[data-design="proposal-b"] .hero__veil,
  body.is-front-page[data-design="proposal-b"] .hero__media::after {
    display: none;
  }

  body.is-front-page[data-design="proposal-b"] .hero__inner.container {
    position: relative;
    inset: auto;
    height: auto;
    min-height: 0;
    padding: 24px 16px;
  }

  body.is-front-page[data-design="proposal-b"] .hero__copy {
    width: fit-content;
    max-width: calc(100vw - 32px);
    margin-right: auto;
    margin-left: 0;
  }

  body.is-front-page[data-design="proposal-b"] .hero__message-panel {
    width: fit-content;
    max-width: 100%;
    padding: 0;
    background: transparent;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  body.is-front-page[data-design="proposal-b"] .hero__lead {
    font-size: 16px;
    line-height: 1.8;
  }

  body.is-front-page[data-design="proposal-b"] .hero__lead-line {
    white-space: normal;
  }

  body.page-recruit[data-design="proposal-b"] .page-section--recruit-openings .detail-table :is(tbody, tr, th, td) {
    display: block;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }

  body.page-recruit[data-design="proposal-b"] .page-section--recruit-openings .detail-table :is(th, td) {
    font-size: 16px;
    line-height: 1.7;
  }

  body.is-front-page[data-design="proposal-b"] .hero__message-panel > .eyebrow,
  body.is-front-page[data-design="proposal-b"] .hero__title-line,
  body.is-front-page[data-design="proposal-b"] .hero__lead-line {
    padding: 4px 0;
    background: transparent;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

/* Header glass: keep the HERO video visible behind every viewport size. */
/* Stacked mobile tables must retain the full card width, not a shrink-to-fit tbody. */
@media (max-width: 680px) {
  body[data-design="proposal-b"] .detail-table :is(caption, tbody, tr) {
    display: block;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }
}

body.is-front-page:not(.is-nav-stuck)[data-design="proposal-b"] .site-header__top {
  background: linear-gradient(180deg, rgba(28, 24, 22, 0.28), rgba(28, 24, 22, 0.06));
  border-bottom-color: rgba(255, 255, 255, 0.1);
  box-shadow: none;
  -webkit-backdrop-filter: blur(4px) saturate(1.04);
  backdrop-filter: blur(4px) saturate(1.04);
}

body.is-front-page:not(.is-nav-stuck)[data-design="proposal-b"] .site-header__navrow {
  background: rgba(28, 24, 22, 0.12);
  -webkit-backdrop-filter: blur(7px) saturate(1.05);
  backdrop-filter: blur(7px) saturate(1.05);
}

@media (max-width: 900px) {
  body.is-front-page[data-design="proposal-b"] .site-header {
    margin-bottom: calc(-1 * var(--header-height-mobile));
  }

  /* A backdrop filter on the nav row made the fixed menu 74px too low. */
  body.is-front-page:not(.is-nav-stuck)[data-design="proposal-b"] .site-header__navrow,
  body.is-front-page.is-nav-stuck[data-design="proposal-b"] .site-header__navrow {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  body.is-front-page:not(.is-menu-open)[data-design="proposal-b"] .site-header__top {
    background: rgba(35, 45, 40, 0.12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    -webkit-backdrop-filter: blur(6px) saturate(1.05);
    backdrop-filter: blur(6px) saturate(1.05);
  }
}

/* Keep the sticky brand clear of the first nav item before the mobile breakpoint. */
@media (min-width: 901px) and (max-width: 1100px) {
  body.is-nav-stuck[data-design="proposal-b"] .site-nav-logo {
    gap: 5px;
  }

  body.is-nav-stuck[data-design="proposal-b"] .site-nav-logo__image {
    height: 20px;
  }

  body.is-nav-stuck[data-design="proposal-b"] .site-nav-logo__official-name {
    font-size: 0.55rem;
  }

  body.is-nav-stuck[data-design="proposal-b"] .site-nav-logo__english-name {
    font-size: 0.35rem;
  }
}