#about-mch h1{margin:0 0 10px;font-size:clamp(1.9rem,3.2vw,2.6rem);letter-spacing:-.02em;color:#1e3a8a;line-height:1.15}#about-mch .sub{margin:0 auto 14px;max-width:72ch;color:var(--muted);font-size:clamp(1.02rem,1.4vw,1.12rem)}#about-mch .foot{margin-top:20px;padding-top:18px;border-top:2px solid var(--line);color:#64748b;text-align:center;font-size:.95rem}