.study-header{display:block;position:relative;width:100%;max-width:none;min-height:0;margin:0 auto;padding:0;border:0;border-bottom:1px solid #000;background:#fff;color:#000}
.study-header .study-header-inner{display:flex;align-items:center;gap:25px;max-width:1440px;min-height:100px;margin:0 auto;padding:16px 28px;box-sizing:border-box}
.study-header .study-header-identity{display:flex;flex-direction:column;gap:8px;min-width:0}
.study-header .study-header-brand{display:flex;align-items:center;gap:10px;color:#000;text-decoration:none;white-space:nowrap;font:400 27px/1.15 Georgia,"Times New Roman",serif;letter-spacing:0}
.study-header .study-header-brand em{font:italic 400 27px/1.15 Georgia,"Times New Roman",serif}
.study-header .study-header-mark{display:block;width:29px;height:29px;flex:none;align-self:center;margin:0}
.study-header .study-header-mark path{fill:none;stroke:#000;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;vector-effect:none}
.study-header .study-header-subtitle{display:block;font:11px/1.4 Arial,Helvetica,sans-serif;letter-spacing:0;text-transform:none;margin:0;color:#000}
.study-header .study-header-language{display:flex;align-items:center;justify-content:flex-start;gap:10px;flex:none;margin:0 0 0 auto;padding:0;border:0;white-space:nowrap}
.study-header .study-header-language a,.study-header .study-header-language button{display:inline-block;min-width:0;min-height:40px;margin:0;padding:8px 0;border:0;border-radius:0;background:#fff;color:#000;font:400 14px/1.7 Georgia,"Songti SC",serif;text-decoration:none;cursor:pointer}
.study-header .study-header-language [aria-current=page],.study-header .study-header-language [aria-pressed=true]{font-weight:700;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px}
.study-header .study-header-language a:hover,.study-header .study-header-language button:hover{text-decoration:underline;text-underline-offset:5px}
.study-header .study-header-affiliation{display:flex;align-items:center;flex:none;min-height:44px;margin:0;padding:0 0 0 24px;border:0;border-left:1px solid #000;text-decoration:none}
.study-header .study-header-affiliation img{display:block;width:111px;height:auto;max-width:none;margin:0;padding:0;filter:grayscale(1)}
.study-header a:focus-visible,.study-header button:focus-visible{outline:2px solid #000;outline-offset:5px}
.study-header[data-study-kind=proportion-system] .study-header-inner,.study-header[data-study-kind=material-to-space] .study-header-inner{padding-left:0;padding-right:0}
.study-header-return{display:inline-block;margin:16px 0 0;color:#000;font:12px/1.7 Arial,Helvetica,sans-serif;text-underline-offset:5px}
@media(max-width:850px){.study-header .study-header-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 12px;min-height:0;padding:14px 18px}.study-header .study-header-identity{grid-column:1;grid-row:1}.study-header .study-header-brand,.study-header .study-header-brand em{font-size:23px}.study-header .study-header-mark{width:27px;height:27px}.study-header .study-header-subtitle{font-size:10px}.study-header .study-header-language{grid-column:1;grid-row:2;margin:0;gap:12px}.study-header .study-header-language a,.study-header .study-header-language button{min-height:32px;padding:4px 0;font-size:12px}.study-header .study-header-affiliation{grid-column:2;grid-row:1/3;border-left:1px solid #000;padding-left:14px;min-height:44px}.study-header .study-header-affiliation img{width:92px}}
@media(max-width:560px){.study-header .study-header-inner{gap:7px 10px;padding-top:14px;padding-bottom:12px}.study-header .study-header-brand,.study-header .study-header-brand em{font-size:21px;gap:7px}.study-header .study-header-mark{width:24px;height:24px}.study-header .study-header-subtitle{font-size:9px}.study-header .study-header-affiliation{padding-left:10px}.study-header .study-header-affiliation img{width:78px}.study-header .study-header-language{gap:11px}.study-header .study-header-language a,.study-header .study-header-language button{font-size:11px}}