.nessie-header { background: var(--nessie-white); color: var(--nessie-navy); position: relative; z-index: var(--nessie-z-header); }
.nessie-utility { background: var(--nessie-off-white); font-size: 11px; color: var(--nessie-muted); }
.nessie-utility .nessie-container, .nessie-utility .nessie-container > div, .nessie-utility .nessie-menu { display: flex; align-items: center; gap: 8px; }
.nessie-utility .nessie-container { justify-content: space-between; min-height: 26px; }
.nessie-header__main { display: flex; align-items: center; justify-content: space-between; min-height: 84px; gap: 32px; }
.nessie-header__brand { flex: none; width: var(--nessie-layout-pc-header-logo-width); display: flex; align-items: center; }
.nessie-logo { display: block; width: 100%; height: auto; }
.nessie-header__contact { display: flex; align-items: center; gap: 20px; background: var(--nessie-off-white); padding: 8px; }
.nessie-header__phone { display: flex; gap: 16px; padding: 0 16px; border-right: 1px solid var(--nessie-line); }
.nessie-header__phone a { text-decoration: none; }
.nessie-header__phone span, .nessie-header__phone small { display: block; font-size: 11px; color: var(--nessie-muted); }
.nessie-header__phone strong { display: block; font-size: 30px; line-height: 1.2; white-space: nowrap; }
.nessie-header__contact .nessie-button { min-width: 249px; }
.nessie-header__actions { display: none; }
.nessie-navigation { border-bottom: 1px solid var(--nessie-line); }
.nessie-primary { display: flex; justify-content: space-between; align-items: center; min-height: 46px; border-top: 1px solid var(--nessie-line); font-size: var(--nessie-type-pc-navigation); font-weight: 600; }
.nessie-primary > a, .nessie-primary > span, .nessie-primary button { padding: 10px 12px; text-decoration: none; }
.nessie-primary > nav { flex: 1; }
.nessie-primary .nessie-menu { display: flex; justify-content: space-around; gap: 16px; }
.nessie-primary .sub-menu { list-style: none; padding: 8px; font-size: 14px; }
.nessie-primary button, .nessie-mega__close button { background: none; border: 0; }
.nessie-primary button[aria-expanded='true'] { border-bottom: 3px solid var(--nessie-navy); }
.nessie-mega { position: absolute; left: 0; right: 0; background: var(--nessie-white); border-bottom: 1px solid var(--nessie-line); padding: 40px 0; z-index: var(--nessie-z-menu); }
.nessie-mega__grid { display: grid; grid-template-columns: 290px 1fr; gap: 55px; }
.nessie-mega h2 { font-size: 36px; }
.nessie-mega .nessie-menu { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.nessie-mega .nessie-menu li { border-bottom: 1px solid var(--nessie-line); padding: 20px 0; }
.nessie-mega__close { text-align: right; }
.nessie-mega__close button { min-height: 44px; }
.nessie-footer { padding: 56px 0 24px; }
.nessie-footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1.1fr 1fr; gap: 64px; padding-bottom: 56px; }
.nessie-footer__brand .nessie-logo { width: 280px; margin-bottom: 24px; }
.nessie-footer p { font-size: 13px; }
.nessie-footer a { text-decoration: none; }
.nessie-footer__group summary { list-style: none; font-weight: 600; color: var(--nessie-navy); font-size: 15px; margin-bottom: 20px; }
.nessie-footer__group summary::-webkit-details-marker { display: none; }
.nessie-footer__group .nessie-menu { color: var(--nessie-muted); font-size: 13px; }
.nessie-footer__group li { margin-bottom: 12px; }
.nessie-footer__fc { border-top: 1px solid var(--nessie-line); padding-top: 20px; margin-top: 24px; }
.nessie-footer__legal { border-top: 1px solid var(--nessie-line); padding-top: 20px; color: var(--nessie-muted); }
.nessie-footer__legal .nessie-menu { display: flex; flex-wrap: wrap; gap: 24px; font-size: 12px; }
.nessie-footer__legal p { display: flex; justify-content: space-between; margin: 24px 0 0; }
.nessie-social { margin-right: 16px; }
.nessie-fixed-cta { display: none; }

@media (width >= 1200px) { .nessie-footer__group > div { display: block; } .nessie-footer__group summary { pointer-events: none; } }

@media (width <= 1199px) {
  .nessie-header__main { width: 100%; height: var(--nessie-sp-header-height); min-height: 0; padding: 0 var(--nessie-sp-header-inline-padding); gap: 16px; }
  .nessie-header__brand { width: var(--nessie-sp-header-logo-width); min-width: 0; flex: 0 1 auto; height: 52px; }
  .nessie-header__brand img { width: 100%; height: auto; }
  .nessie-header__actions { display: flex; flex: none; gap: var(--nessie-sp-header-action-gap); }
  .nessie-header__action { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; width: var(--nessie-sp-header-action-size); height: var(--nessie-sp-header-action-size); padding: 0; border: 0; background: transparent; font-size: var(--nessie-sp-header-label-size); line-height: 14px; text-decoration: none; }
  .nessie-mobile-toggle { display: none; }
  .nessie-js .nessie-mobile-toggle { display: flex; }
  .nessie-utility, .nessie-header__contact { display: none; }
  .nessie-header.is-open { position: fixed; inset: 0; overflow-y: auto; padding-bottom: calc(90px + env(safe-area-inset-bottom)); }
  .nessie-menu-open { overflow: hidden; }
  .nessie-navigation { border-top: 1px solid var(--nessie-line); }
  .nessie-primary, .nessie-primary .nessie-menu { display: block; }
  .nessie-primary > a, .nessie-primary > span, .nessie-primary button, .nessie-primary .nessie-menu a { display: block; width: 100%; min-height: 44px; text-align: left; border-bottom: 1px solid var(--nessie-line); padding: 12px 0; }
  .nessie-mega { position: static; padding: 24px 0; }
  .nessie-mega__grid { display: block; }
  .nessie-mega .nessie-menu { grid-template-columns: repeat(2, 1fr); }
  .nessie-footer { padding-top: 40px; }
  .nessie-footer__grid { display: block; padding-bottom: 32px; }
  .nessie-footer__brand { margin-bottom: 32px; }
  .nessie-footer__brand .nessie-logo { width: 240px; }
  .nessie-footer__group { border-top: 1px solid var(--nessie-line); }
  .nessie-footer__group summary { cursor: pointer; min-height: 52px; padding-block: 14px; margin: 0; }
  .nessie-footer__group summary::after { content: '+'; float: right; }
  .nessie-footer__group[open] summary::after { content: '−'; }
  .nessie-footer__legal p { display: block; }
  .nessie-footer__legal p > span { display: none; }
  .nessie-fixed-cta { position: fixed; bottom: 0; left: 0; right: 0; z-index: var(--nessie-z-fixed-cta); display: grid; grid-template-columns: .8fr 1.2fr; gap: 8px; padding: 10px 10px calc(10px + env(safe-area-inset-bottom)); background: var(--nessie-white); border-top: 1px solid var(--nessie-line); }
  .nessie-fixed-cta .nessie-button { min-height: 54px; padding: 10px; font-size: 12px; }
}