:root{--bg:#F7F4EE;--ink:#2C2535;--body:#4A4350;--soft:#F0EAF4;--purple:#704C90;--dark:#30243D;--gold:#D6B36B;--border:#E6DFE9}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--body);font:16px/1.7 system-ui,-apple-system,"Noto Sans CJK SC",sans-serif;overflow-x:hidden}a{color:var(--purple);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:3px}button{font:inherit;cursor:pointer}h1,h2,h3{color:var(--ink);line-height:1.3;margin:0 0 .6em}h1{font-size:32px}h2{font-size:24px}h3{font-size:19px}p{margin:0 0 1.05em}.wrap{width:min(1180px,calc(100% - 56px));margin:auto;min-width:0}.topbar{background:#fff;border-bottom:1px solid var(--border)}.topline{display:flex;align-items:center;min-height:64px;gap:22px}.brand{display:flex;align-items:center;gap:9px;color:var(--ink);white-space:nowrap}.brand strong{font-size:19px;line-height:1}.brand 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