/* FLL shared identity. Exam-specific column widths, answer order and data are retained. */
:root{--fll-ink:#092b43;--fll-teal:#147e78;--fll-teal-dark:#0c5e5a;--fll-muted:#526a7a;--fll-line:#d8e5e7;--fll-paper:#fff;--fll-canvas:#f3f7f7;--fll-radius:16px;color:var(--fll-ink);background:var(--fll-canvas);font-family:-apple-system,BlinkMacSystemFont,'Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,sans-serif;line-height:1.7}
a{color:var(--fll-teal-dark);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #d99a27;outline-offset:3px}
.fll-header{background:#fff;border-top:4px solid var(--fll-teal);border-bottom:1px solid var(--fll-line);padding:20px 0 0;color:var(--fll-ink)}.fll-header-inner,.fll-nav-inner{max-width:1160px;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.fll-logo{display:inline-flex;align-items:center;max-width:100%;border-radius:6px}.fll-logo img{display:block;width:290px;max-width:100%;height:auto}.fll-context{display:flex;flex-direction:column;align-items:flex-end;gap:2px}.fll-context small{font-size:11px;letter-spacing:.12em;color:var(--fll-muted)}.fll-context strong{font-size:20px;letter-spacing:.04em}.fll-nav{margin-top:16px;background:#f8fbfb;border-top:1px solid #e8eeee}.fll-nav-inner{justify-content:flex-start;gap:7px;padding-top:6px;padding-bottom:6px}.fll-nav a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 20px;font-size:14px;text-decoration:none;border-radius:8px;color:var(--fll-muted);font-weight:650}.fll-nav a[aria-current=page]{background:#e3f1ee;color:var(--fll-teal-dark)}.fll-nav a:hover{background:#edf5f3;color:var(--fll-teal-dark)}.fll-lab-intro{font-size:12px;letter-spacing:.08em;color:var(--fll-teal-dark);font-weight:700;margin:0 0 7px}.fll-footer{border-top:1px solid var(--fll-line);background:#fff;color:var(--fll-muted);padding:28px 20px;font-size:12px;text-align:center}.fll-footer nav{display:flex;flex-wrap:wrap;gap:3px 18px;justify-content:center;margin:0 0 10px}.fll-footer nav a{display:inline-flex;align-items:center;min-height:44px;font-size:13px}.fll-footer p{margin:5px 0}.card{border:1px solid var(--fll-line);border-radius:var(--fll-radius);box-shadow:0 3px 14px #092b4305;background:#fff}button.primary,.info-page .info-cta{background:var(--fll-teal);border-color:var(--fll-teal)}button.primary:hover,.info-page .info-cta:hover{background:var(--fll-teal-dark);border-color:var(--fll-teal-dark)}button,select{border-radius:10px}button.active{border-color:var(--fll-teal);background:#e7f4f1}.muted{color:var(--fll-muted)}.pill{background:#e5f2ef;color:var(--fll-teal-dark)}.skip-link{position:absolute;top:-100px;left:12px;z-index:10;background:#fff;padding:12px;border-radius:8px}.skip-link:focus{top:12px}main.container{padding-top:26px}.landing-title{color:var(--fll-ink);letter-spacing:.01em}.boki-scroll caption{background:#eaf4f1;color:var(--fll-ink)}
@media(max-width:600px){.fll-header{padding-top:16px}.fll-header-inner,.fll-nav-inner{padding-left:16px;padding-right:16px;gap:12px}.fll-logo img{width:225px}.fll-context small{display:none}.fll-context strong{font-size:15px}.fll-nav{margin-top:12px}.fll-nav-inner{gap:5px}.fll-nav a{padding:8px 9px;flex:1;font-size:13px}.fll-footer nav{gap:2px 13px}main.container{padding-top:20px}}
@media(max-width:370px){.fll-logo img{width:190px}.fll-header-inner{gap:8px}.fll-context strong{font-size:13px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

@media(max-width:600px){.section-heading{flex-wrap:wrap;column-gap:10px;row-gap:4px}.section-heading h2{flex:1 1 200px;margin-bottom:4px}.section-heading>.small{white-space:nowrap}}