.global-header{box-sizing:border-box;position:relative;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:25px;width:100%;max-width:1600px;margin:0 auto;padding:28px 4%;background:#f6f3ea;color:#2e3a32;border:0;box-shadow:none;font:400 12px/1.6 'Noto Sans JP',sans-serif}.global-header *{box-sizing:border-box}.global-header .global-brand{display:block;flex-shrink:0;width:245px;padding:0;margin:0}.global-header .global-brand img{display:block;width:100%;height:auto;filter:brightness(0) saturate(100%) invert(19%) sepia(10%) saturate(924%) hue-rotate(86deg) brightness(95%) contrast(89%)}.global-header #global-nav{display:flex;align-items:center;gap:20px;margin:0;padding:0}.global-header a{color:inherit;text-decoration:none;white-space:nowrap}.global-header a:not(.global-brand):hover{text-decoration:underline;text-underline-offset:5px}.global-header .global-book{display:flex;align-items:center;justify-content:center;gap:8px;background:#2e3a32;color:white;padding:15px 17px;min-height:52px}.global-header .global-book svg{flex:none}.global-header .global-toggle{display:none}.global-header .concern-nav{position:relative;border:0;padding:0;margin:0;background:none}.global-header .concern-nav summary{font:inherit;cursor:pointer;display:flex;align-items:center;gap:7px;list-style:none;padding:14px 0;border:0;background:none;color:inherit}.global-header .concern-nav summary::-webkit-details-marker{display:none}.global-header .concern-nav summary:after{content:none}.global-header .concern-links{position:absolute;top:100%;left:-20px;min-width:235px;padding:12px 20px;background:#f6f3ea;box-shadow:0 8px 22px #2e3a321a;border:1px solid #d9ddd2}.global-header .concern-links a{display:block;padding:12px 0}.global-header :focus-visible{outline:2px solid #7c8f6b;outline-offset:4px}.concern-section{padding-top:0}.concern-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.concern-grid>a{display:flex;flex-direction:column;padding:30px 25px;background:#eae8de;text-decoration:none;color:#2e3a32;transition:background .2s}.concern-grid>a:hover{background:#e0e4d8}.concern-label{font-family:'Noto Serif JP',serif;font-size:22px;line-height:1.6}.concern-grid p{font-size:13px;margin:18px 0 25px}.concern-more{font-size:12px;margin-top:auto;display:flex;justify-content:space-between;gap:15px}
@media(max-width:1199px){.global-header{flex-wrap:wrap;padding:22px 4%;gap:0}.global-header .global-toggle{display:flex;align-items:center;justify-content:center;gap:10px;min-width:90px;min-height:44px;padding:8px;background:none;border:0;color:inherit;cursor:pointer;font:inherit}.menu-symbol{display:block;position:relative;width:22px;height:18px}.menu-symbol i{display:block;position:absolute;width:22px;height:1px;background:currentColor;left:0}.menu-symbol i:nth-child(1){top:1px}.menu-symbol i:nth-child(2){top:8px}.menu-symbol i:nth-child(3){top:15px}.global-toggle[aria-expanded=true] .menu-symbol i:nth-child(1){top:8px;transform:rotate(45deg)}.global-toggle[aria-expanded=true] .menu-symbol i:nth-child(2){opacity:0}.global-toggle[aria-expanded=true] .menu-symbol i:nth-child(3){top:8px;transform:rotate(-45deg)}.global-header #global-nav{width:100%;display:flex;align-items:stretch;flex-direction:column;gap:0;padding:20px 0 5px}.nav-enhanced .global-header #global-nav{display:none}.nav-enhanced .global-header #global-nav.is-open{display:flex}.global-header #global-nav>a:not(.global-book){padding:15px 0;border-bottom:1px solid #d9ddd2}.global-header .global-book{margin-top:20px}.global-header .concern-nav summary{padding:15px 0}.global-header .concern-links{position:static;box-shadow:none;border:0;border-left:1px solid #a9b49e;background:none;padding:0 0 0 18px;margin:0 0 10px}.global-header .concern-links a{padding:12px 0}.global-header .concern-nav{border-bottom:1px solid #d9ddd2}}
@media(max-width:700px){.global-header{padding:18px 22px}.global-header .global-brand{width:205px}.global-header .global-toggle{min-width:80px;gap:8px;font-size:11px;padding:7px 0}.concern-grid{grid-template-columns:1fr;gap:14px}.concern-grid>a{padding:24px}.concern-label{font-size:21px}.concern-grid p{margin:10px 0 18px}}
@media(max-width:360px){.global-header{padding-left:18px;padding-right:18px}.global-header .global-brand{width:185px}.global-header .global-toggle{min-width:76px}}
.global-header .menu-word,.global-header .global-book>span,.global-header .concern-nav summary>span{display:inline}

/* Icon-only toggle; retain its accessible text label. */
.global-header .global-toggle .menu-word{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.global-header .global-toggle{min-width:44px;width:44px;gap:0}