/* One header shared by the homepage and company page. Explicit stacking prevents content covering menus. */
body:has(.pt-nav)>header.yh-header{position:sticky;top:0;z-index:1100;margin:0;padding:0;background:#0c1615;border:0;border-bottom:1px solid #34403b;box-shadow:none;backdrop-filter:none;color:#f1ece2;font-family:'Noto Sans JP',sans-serif;line-height:1.6}
.yh-header .yh-wrap{width:calc(100% - 48px);max-width:1120px;margin:0 auto}
.yh-header .yh-header-inner{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.yh-header .yh-brand{display:flex;min-width:0;text-decoration:none;flex-shrink:0}
body .yh-header .yt-brand-name{color:#f1ece2;font-size:1.22rem}
body .yh-header .yt-brand-tag{color:#bdc8c2;font-size:.68rem}
.yh-header .yh-nav{display:flex;align-items:center;gap:22px}
.yh-header .yh-nav>a{color:#f1ece2;text-decoration:none;font-size:12px;font-weight:700;white-space:nowrap}
.yh-header .yh-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border:1px solid #ba6c47;border-radius:999px;background:#984322;color:#fff;text-decoration:none;font-size:13px;font-weight:700;line-height:1.6;gap:8px}
.yh-header .yh-btn:hover{background:#80351f;color:#fff}
.yh-header .yh-btn-alt{background:#1d2e29;border-color:#52635b;color:#f1ece2}
.yh-header .yh-menu-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-width:44px;min-height:44px;padding:10px 14px;border:1px solid #65746b;border-radius:999px;background:#23322c;color:#f1ece2;font:700 12px/1.4 sans-serif;cursor:pointer;flex-shrink:0}
.yh-header .yh-menu-btn:hover,.yh-header .yh-menu-btn[aria-expanded=true]{background:#34473e;color:#fff}
.yh-header .yh-menu-lines{display:flex;flex-direction:column;gap:4px;width:18px}
.yh-header .yh-menu-lines i{display:block;height:2px;background:currentColor;border-radius:2px}
.yh-header .yh-menu-btn[aria-expanded=true] i:first-child{transform:translateY(6px) rotate(45deg)}
.yh-header .yh-menu-btn[aria-expanded=true] i:nth-child(2){opacity:0}
.yh-header .yh-menu-btn[aria-expanded=true] i:last-child{transform:translateY(-6px) rotate(-45deg)}
.yh-header .yh-menu[hidden]{display:none!important}
.yh-header .yh-menu{position:absolute;inset:100% 0 auto;z-index:1;background:#12201c;border-bottom:1px solid #56655c;box-shadow:0 18px 32px #0008;max-height:calc(100dvh - 81px);overflow-y:auto;overscroll-behavior:contain}
.yh-header .yh-menu-inner{padding:26px 0}
.yh-header .yh-menu nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}
.yh-header .yh-menu-col{display:flex;flex-direction:column}
.yh-header .yh-menu-head{font-size:12px;font-weight:700;letter-spacing:.08em;color:#efb38b;margin-bottom:10px}
.yh-header .yh-menu-col a{display:block;min-height:44px;padding:10px 0;border-bottom:1px solid #34463c;color:#f1ece2;font-size:14px;text-decoration:none}
.yh-header .yh-menu-col a:hover{color:#efb38b;text-decoration:underline;text-underline-offset:4px}
.yh-header .yh-menu-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.yh-header .yh-menu-cta p{flex-basis:100%;font-size:13px;color:#bdc8c2;margin:4px 0 0}
.yh-header :is(a,button):focus-visible{outline:3px solid #ffe08a!important;outline-offset:3px}
@media(max-width:1100px){.yh-header .yh-nav>a:not(.yh-btn){display:none}.yh-header .yh-nav{gap:12px}}
@media(max-width:680px){.yh-header .yh-wrap{width:calc(100% - 32px)}.yh-header .yh-header-inner{gap:12px;min-height:76px}.yh-header .yh-brand{flex-shrink:1}.yh-header .yt-brand-inner{min-width:0}body .yh-header .yt-brand-name{font-size:1.08rem}body .yh-header .yt-brand-tag{font-size:.62rem;white-space:normal;max-width:210px;line-height:1.5}.yh-header .yh-nav>a.yh-btn{display:none}.yh-header .yh-menu-word{display:none}.yh-header .yh-menu-btn{padding:10px}.yh-header .yh-menu nav{grid-template-columns:1fr;gap:24px}.yh-header .yh-menu{max-height:calc(100dvh - 77px)}.yh-header .yh-menu-cta .yh-btn{width:100%}.yh-header .yh-menu-inner{padding:22px 0}}
