/* Native top-layer menu, independent of the header's containing block. */
.site-header .brand img { width: 82px; height: 40px; object-fit: contain; }
.site-header .brand { min-width: 0; gap: 12px; }
.site-header .brand-copy strong { font-size: 14px; }
.menu-button { display: flex; position: relative; flex: 0 0 52px; width: 52px; height: 52px; padding: 5px 0 15px; gap: 5px; }
.menu-button span { width: 22px; }
.menu-button::after { content: "MENU"; position: absolute; inset: auto 0 0; color: currentColor; font: 600 10px/1 var(--font-en); letter-spacing: .12em; text-align: center; }
body.menu-open { position: fixed; width: 100%; overflow: hidden; }
body.menu-open .mobile-bottom { visibility: hidden; pointer-events: none; }
.mobile-menu { position: fixed; inset: 0; width: 100%; max-width: none; height: 100vh; height: 100dvh; max-height: none; padding: 0; margin: 0; border: 0; border-radius: 0; z-index: 2000; display: none; visibility: hidden; opacity: 0; transform: none; transition: none; color: #f2f5f1; background: var(--green-950); backdrop-filter: none; overflow: hidden; box-sizing: border-box; }
.mobile-menu[open] { display: flex; flex-direction: column; visibility: visible; opacity: 1; animation: menuEnter .2s ease-out both; }
.mobile-menu[open].is-closing { pointer-events: none; animation: menuExit .36s ease-in both; }
.mobile-menu::before { display: none; }
.mobile-menu::backdrop { background: #202827; }
.menu-toolbar { display: flex; flex: 0 0 auto; align-items: center; justify-content: space-between; gap: 24px; min-height: 80px; padding: 16px max(32px, calc((100vw - 1180px)/2)); border-bottom: 1px solid #ffffff25; }
.menu-toolbar > span { color: #e3e9e2; font-size: 14px; letter-spacing: .08em; }
.menu-close { display: inline-flex; align-items: center; justify-content: center; gap: 14px; flex: 0 0 auto; min-width: 90px; min-height: 46px; padding: 10px 14px; border: 1px solid #ffffff50; border-radius: 3px; color: white; background: transparent; font-size: 14px; cursor: pointer; }
.menu-close svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.menu-close:hover { background: #ffffff16; }
.mobile-menu-inner { position: relative; width: min(1180px, calc(100% - 64px)); min-height: 0; flex: 1; margin: 0 auto; padding: 30px 0 max(40px, env(safe-area-inset-bottom)); overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; scrollbar-gutter: stable; }
.mobile-menu-label { display: flex; gap: 18px; align-items: center; margin: 0 0 18px; color: #c9d1bf; font: 500 12px/1.6 var(--font-en); letter-spacing: .18em; }
.mobile-menu-label::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.mobile-menu nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 60px; }
.mobile-menu nav a { display: grid; grid-template-columns: 28px minmax(0, 1fr) 24px; align-items: center; gap: 20px; min-height: 68px; padding: 14px 9px; border-bottom: 1px solid #ffffff25; color: #f2f5f1; text-decoration: none; transition: background .2s, color .2s; }
.mobile-menu[open]:not(.is-closing) nav a { opacity: 0; transform: translateY(-9px); animation: menuItemIn .2s cubic-bezier(.2,.65,.3,1) forwards; animation-delay: calc((var(--menu-order, 1) - 1) * 16ms + 35ms); }
.mobile-menu[open].is-closing nav a { animation: menuItemOut .16s ease-in forwards; animation-delay: calc((13 - var(--menu-order, 1)) * 15ms); }
.mobile-menu nav a:nth-child(1) { --menu-order: 1; }
.mobile-menu nav a:nth-child(2) { --menu-order: 2; }
.mobile-menu nav a:nth-child(3) { --menu-order: 3; }
.mobile-menu nav a:nth-child(4) { --menu-order: 4; }
.mobile-menu nav a:nth-child(5) { --menu-order: 5; }
.mobile-menu nav a:nth-child(6) { --menu-order: 6; }
.mobile-menu nav a:nth-child(7) { --menu-order: 7; }
.mobile-menu nav a:nth-child(8) { --menu-order: 8; }
.mobile-menu nav a:nth-child(9) { --menu-order: 9; }
.mobile-menu nav a:nth-child(10) { --menu-order: 10; }
.mobile-menu nav a:nth-child(11) { --menu-order: 11; }
.mobile-menu nav a:nth-child(12) { --menu-order: 12; }
.mobile-menu nav a:nth-child(13) { --menu-order: 13; }
.mobile-menu nav a::after { display: none; }
.mobile-menu nav a .menu-link-label { color: inherit; font: 500 17px/1.7 var(--font-jp); letter-spacing: .03em; }
.mobile-menu nav a .menu-index { color: #a8b7ac; font: 12px/1.5 var(--font-en); letter-spacing: .06em; text-align: right; }
.mobile-menu nav a .menu-icon { width: 24px; height: 24px; color: #b4c7b7; }
.mobile-menu nav a:hover, .mobile-menu nav a[aria-current="page"] { color: #e4dcc4; background: #ffffff09; }
.mobile-menu nav a[aria-current="page"] .menu-icon { color: #e4dcc4; }
.mobile-menu-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 28px 0 0; max-width: none; }
.mobile-menu-actions a { display: flex; align-items: center; justify-content: center; min-height: 58px; padding: 14px 20px; border: 1px solid #b5c3b84d; border-radius: 3px; color: white; background: transparent; text-decoration: none; font-size: 15px; }
.mobile-menu-actions a:last-child { color: #263a34; background: #d8d0b9; border-color: #d8d0b9; }
.mobile-menu-actions a:hover { background: #ffffff15; color: white; }
.menu-button:focus-visible, .menu-close:focus-visible, .mobile-menu a:focus-visible { outline: 2px solid #b3c5aa; outline-offset: -3px; }
.desktop-nav a[aria-current="page"] { color: var(--green-700); }
.desktop-nav a[aria-current="page"]::after { transform: scaleX(1); }
@media (min-width: 1451px) { .desktop-nav { display: flex; gap: 20px; } .desktop-nav a { font-size: 14px; } }
@media (max-width: 1450px) { .desktop-nav { display: none; } .header-cta { margin-left: auto; } }
@media (max-width: 760px) {
  :root { --mobile-header-height: calc(68px + env(safe-area-inset-top)); }
  .site-header, .site-header.is-scrolled, .site-header.is-menu-open { height: var(--mobile-header-height); padding-top: env(safe-area-inset-top); }
  .header-inner { width: calc(100% - 32px - env(safe-area-inset-left) - env(safe-area-inset-right)); height: 68px; }
  .site-header .brand img { width: 70px; height: 35px; }
  .header-cta { display: none; }
  .menu-button { margin-left: auto; flex-basis: 46px; width: 46px; height: 48px; }
  .menu-button::after { font-size: 9px; }
  html { scroll-padding-top: calc(var(--mobile-header-height) + 12px); }
  .hero { padding-top: var(--mobile-header-height); }
  .course-mast, .philosophy-mast { padding-top: calc(var(--mobile-header-height) + 26px); }
  .campaign-mast, .privacy-mast { padding-top: calc(var(--mobile-header-height) + 32px); }
  .course-jump { top: var(--mobile-header-height); }
  .menu-toolbar { min-height: var(--mobile-header-height); padding: calc(10px + env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) 10px max(18px, env(safe-area-inset-left)); gap: 12px; }
  .menu-toolbar > span { font-size: 12px; letter-spacing: .01em; }
  .menu-close { min-width: 78px; padding: 9px 10px; font-size: 14px; gap: 8px; }
  .mobile-menu-inner { width: calc(100% - 36px); padding: 23px 0 calc(28px + env(safe-area-inset-bottom)); }
  .mobile-menu nav { column-gap: 22px; }
  .mobile-menu nav a { min-height: 64px; gap: 12px; grid-template-columns: 24px minmax(0, 1fr); padding-inline: 6px; }
  .mobile-menu nav a .menu-link-label { font-size: 15px; line-height: 1.65; }
  .mobile-menu nav a .menu-index { display: none; }
  .mobile-menu-actions a { font-size: 14px; min-height: 54px; }
}
@media (max-width: 560px) {
  .mobile-menu nav { grid-template-columns: minmax(0, 1fr); }
  .mobile-menu nav a { grid-template-columns: 25px minmax(0, 1fr) 24px; gap: 17px; min-height: 56px; }
  .mobile-menu nav a .menu-index { display: block; }
  .mobile-menu-actions { grid-template-columns: minmax(0, 1fr); }
}
@keyframes menuEnter { from { opacity: 0; } to { opacity: 1; } }
@keyframes menuExit { from { opacity: 1; } to { opacity: 0; } }
@keyframes menuItemIn { from { opacity: 0; transform: translateY(-9px); } to { opacity: 1; transform: none; } }
@keyframes menuItemOut { from { opacity: 1; transform: none; } to { opacity: 0; transform: translateY(9px); } }
@media (prefers-reduced-motion: reduce) { .mobile-menu[open], .mobile-menu[open].is-closing, .mobile-menu[open] nav a { animation: none; } .mobile-menu nav a { opacity: 1; transform: none; transition: none; } }