@charset "UTF-8";:root{font-family:PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:#17253a;background:#f8f9fb;font-synthesis:none;--blue: #3157d5;--muted: #647286;--line: #dbe2ec}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:5px}a:hover{color:var(--blue)}a:focus-visible,button:focus-visible{outline:3px solid #3157d5;outline-offset:5px}img,svg{max-width:100%}.skip{position:absolute;left:20px;top:-70px;padding:12px;background:#fff}.skip:focus{top:10px;z-index:2}.masthead{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 30px;border-bottom:1px solid var(--line)}.brand{font-weight:750;text-decoration:none;letter-spacing:-.03em}.brand span{font-weight:450;margin-left:12px;color:var(--muted);font-size:12px}.masthead nav{display:flex;gap:24px;font-size:13px}.masthead nav a{text-decoration:none}.container{max-width:1180px;margin:auto;padding:0 30px}.hero{padding:76px 0 54px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1.4fr .7fr;gap:64px;align-items:end}.eyebrow{font-family:ui-monospace,monospace;letter-spacing:.08em;font-size:11px;color:var(--blue);font-weight:600}.hero h1{font-size:clamp(36px,5vw,62px);line-height:1.17;letter-spacing:-.055em;margin:21px 0 26px;max-width:13em;text-wrap:balance}.lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:38em}.hero-note{border-top:3px solid var(--blue);padding:20px 0;font-size:14px;line-height:1.9;color:var(--muted)}.hero-note strong{color:#17253a;font-size:18px}.reading-section{padding:48px 0}.section-label{display:flex;justify-content:space-between;gap:20px;align-items:baseline}.section-label h2{font-size:23px;letter-spacing:-.025em}.section-label p{font-size:13px;color:var(--muted)}.story-list{margin:20px 0 42px}.story-link{display:grid;grid-template-columns:58px minmax(0,1fr) 32px;gap:26px;padding:29px 0;border-top:1px solid var(--line);text-decoration:none}.story-link:last-child{border-bottom:1px solid var(--line)}.number{color:var(--blue);font:14px ui-monospace,monospace;padding-top:5px}.story-link h3{font-size:24px;line-height:1.4;letter-spacing:-.025em;margin:8px 0 10px;text-wrap:balance}.story-link p{color:var(--muted);line-height:1.8;font-size:14px;margin:0}.category{color:var(--muted);font-size:12px}.arrow{font-size:24px;align-self:center}.story-link:hover .arrow{transform:translate(3px,-3px)}.arrow{transition:transform .15s}.workshop{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;padding:32px;border:1px solid var(--line);background:#fff}.workshop h2{font-size:24px;line-height:1.5;margin:13px 0}.workshop p{font-size:14px;line-height:1.9;color:var(--muted)}.text-link{font-weight:650;color:var(--blue);display:inline-block;margin-top:10px}.process{display:grid;gap:0;align-content:center}.process p{margin:0;padding:13px 0;border-bottom:1px solid var(--line)}.process strong{display:inline-block;min-width:90px;color:#17253a}.site-footer{max-width:1180px;margin:30px auto 0;padding:28px 30px 36px;border-top:1px solid var(--line);font-size:12px;line-height:1.8;color:var(--muted)}.site-footer nav{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:15px}.article-layout{max-width:1000px;margin:auto;display:grid;grid-template-columns:180px minmax(0,1fr);gap:55px;padding:56px 30px 30px}.article-toc{align-self:start;position:sticky;top:30px;font-size:12px;line-height:1.7}.article-toc a{display:block;margin:15px 0;text-decoration:none;color:var(--muted)}.article-toc strong{color:#17253a}.article{min-width:0}.article h1{font-size:clamp(30px,4vw,44px);line-height:1.3;letter-spacing:-.04em;text-wrap:balance;margin:20px 0}.article .meta{font-size:12px;color:var(--muted);margin:23px 0 36px}.article section{scroll-margin-top:28px;margin:38px 0}.article h2{font-size:23px;line-height:1.5;margin:30px 0 16px;letter-spacing:-.025em}.article p,.article li,.article dd{font-size:15px;line-height:2;overflow-wrap:anywhere}.article p{color:#405069}.article ol,.article ul{padding-left:24px}.article li{padding-left:5px;margin:14px 0}.article dt{margin-top:20px;font-weight:650}.article dd{margin:5px 0;color:var(--muted)}.callout{border-left:3px solid var(--blue);padding:12px 20px;background:#edf1fb;color:#405069;font-size:13px;line-height:1.9}.formula{font:600 17px/1.8 ui-monospace,monospace;background:#fff;border:1px solid var(--line);padding:22px}.article-end{margin-top:45px;border-top:1px solid var(--line);padding-top:26px;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.article-end a{font-size:14px}.plain{max-width:780px;margin:auto;padding:56px 30px}.plain h1{font-size:38px;letter-spacing:-.04em}.plain h2{font-size:22px;margin-top:40px}.plain p,.plain li{font-size:15px;line-height:1.95;color:#405069;overflow-wrap:anywhere}.plain ul{padding-left:22px}.notice{color:var(--muted);font-size:12px;line-height:1.8}.updated{font-size:12px;color:var(--muted)}@media(max-width:760px){.masthead{padding:22px 20px;align-items:flex-start;gap:18px}.brand span{display:block;margin:5px 0 0}.masthead nav{gap:16px;flex-wrap:wrap;justify-content:flex-end;font-size:12px}.container{padding:0 20px}.hero{grid-template-columns:minmax(0,1fr);gap:20px;padding:44px 0 30px}.hero h1{font-size:39px}.hero-note{padding:15px 0;margin-top:4px}.lead{font-size:15px}.reading-section{padding:30px 0}.section-label{display:block}.story-link{grid-template-columns:28px minmax(0,1fr) 18px;gap:14px;padding:24px 0}.story-link h3{font-size:21px}.story-link p{font-size:14px}.workshop{grid-template-columns:minmax(0,1fr);padding:22px;gap:15px}.workshop h2{font-size:23px}.article-layout{display:block;padding:30px 20px}.article-toc{position:static;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:30px}.article-toc a{display:inline-block;margin:8px 16px 3px 0}.article h1{font-size:32px}.article p,.article li,.article dd{font-size:15px}.site-footer{padding:24px 20px}.plain{padding:34px 20px}.plain h1{font-size:32px}.process strong{min-width:82px}.formula{font-size:14px;padding:16px}.section-label p{line-height:1.8}.masthead .brand{min-width:115px}.hero h1{max-width:12em}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
