:root{--pg:#f2f0fc;--tx:#3c315b;--tx2:#5f5679;--ac:#ab9ff2;--ac2:#e2dffe;--cream:#fffdf8;--bd:rgba(60,49,91,.12)}
@media (prefers-color-scheme:dark){:root{--pg:#241c3b;--tx:#fffdf8;--tx2:#c3bcdc;--cream:#2d2448;--bd:rgba(255,253,248,.14)}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--pg);color:var(--tx);font:400 18px/1.6 'DM Sans',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
::selection{background:var(--ac);color:#1c1c1c}
:focus-visible{outline:3px solid var(--ac);outline-offset:3px}
a{color:inherit;text-decoration:underline;text-underline-offset:3px}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;max-width:1100px;margin:0 auto;padding:18px 20px}
.logo{display:inline-flex;align-items:center;gap:6px;font-size:24px;font-weight:700;letter-spacing:-1.1px;text-decoration:none;color:#3c315b;background:#fff;min-height:52px;padding:0 20px 0 14px;border-radius:30px;box-shadow:0 6px 24px -10px rgba(60,49,91,.35)}
.logo svg{width:28px;height:28px;color:#7f70e0;fill:none;stroke:currentColor}
.btn{display:inline-flex;align-items:center;min-height:52px;padding:0 24px;border-radius:26px;background:var(--ac2);color:#3c315b;font-weight:500;font-size:16px;text-decoration:none}
main{max-width:760px;margin:0 auto;padding:56px 20px 40px}
h1{font-weight:400;font-size:clamp(40px,6vw,72px);line-height:1;letter-spacing:-.03em;margin:0;text-wrap:balance}
.meta{color:var(--tx2);margin:18px 0 0;font-size:16px}
.lead{font-size:clamp(19px,1.8vw,22px);line-height:1.5;margin:34px 0 0;text-wrap:pretty}
.toc{margin:36px 0 0;padding:20px 24px;border-radius:24px;background:var(--cream);box-shadow:inset 0 0 0 1px var(--bd)}
.toc b{display:block;font-size:15px;font-weight:600;margin-bottom:6px}
.toc ol{margin:0;padding-left:22px;columns:2;column-gap:28px;font-size:16px}
.toc li{break-inside:avoid;padding:3px 0}
@media (max-width:560px){.toc ol{columns:1}}
h2{font-weight:500;font-size:clamp(24px,2.6vw,30px);line-height:1.2;letter-spacing:-.5px;margin:56px 0 12px;scroll-margin-top:24px}
h3{font-weight:600;font-size:18px;margin:26px 0 6px}
p,li{text-wrap:pretty}
p{margin:0 0 14px}
ul{margin:0 0 14px;padding-left:22px}
li{margin:6px 0}
table{width:100%;border-collapse:collapse;margin:8px 0 18px;font-size:16px}
th,td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--bd)}
th{font-weight:600}
@media (max-width:640px){table{display:block;overflow-x:auto;font-size:15px}th,td{min-width:140px}}
.note{padding:18px 22px;border-radius:20px;background:var(--cream);box-shadow:inset 0 0 0 1px var(--bd);margin:18px 0}
footer{max-width:760px;margin:0 auto;padding:30px 20px 60px;color:var(--tx2);font-size:15px;display:flex;gap:18px;flex-wrap:wrap}
footer a{display:inline-flex;align-items:center;min-height:44px}