:root{--sm-paper:#f2f1ec;--sm-ink:#26261f;--sm-muted:#6b6a60;--sm-line:#dad8cf;--sm-accent:#445561;--sm-serif:"Hiragino Mincho ProN","Yu Mincho","YuMincho",serif;--sm-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic","Meiryo",sans-serif}body,html{margin:0;padding:0}body{background:var(--sm-paper);color:var(--sm-ink);font-family:var(--sm-sans);line-height:1.85;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.sm-page{min-height:100dvh;display:flex;flex-direction:column}.sm-main{flex:1 0 auto;width:100%;max-width:640px;margin:0 auto;padding:clamp(64px,14vh,140px) 24px 48px;box-sizing:border-box}.sm-hero{text-align:center}.sm-eyebrow{font-family:var(--sm-sans);font-size:13px;letter-spacing:.28em;color:var(--sm-muted);margin:0 0 22px;text-indent:.28em}.sm-wordmark{font-family:var(--sm-serif);font-weight:400;font-size:clamp(40px,12vw,68px);letter-spacing:.16em;text-indent:.16em;line-height:1.1;margin:0 0 32px;color:var(--sm-ink)}.sm-lead{font-size:15px;color:var(--sm-ink);max-width:30em;margin:0 auto}.sm-rule{width:40px;height:1px;background:var(--sm-line);border:0;margin:48px auto}.sm-article{text-align:left}.sm-doc-title{font-family:var(--sm-serif);font-weight:400;font-size:clamp(26px,6vw,34px);letter-spacing:.08em;margin:0 0 8px}.sm-doc-meta{font-size:13px;color:var(--sm-muted);margin:0 0 40px}.sm-section{margin:0 0 36px}.sm-section h2{font-family:var(--sm-serif);font-weight:400;font-size:18px;letter-spacing:.04em;margin:0 0 12px;padding-bottom:8px;border-bottom:1px solid var(--sm-line)}.sm-section p,.sm-section ul{font-size:14.5px;margin:0 0 12px}.sm-section ul{padding-left:1.3em}.sm-section li{margin:0 0 6px}.sm-note{font-size:13.5px;color:var(--sm-muted);background:rgba(68,85,97,.05);border-left:2px solid var(--sm-accent);padding:12px 16px;margin:0 0 12px}.sm-dl{margin:0 0 12px;font-size:14.5px}.sm-dl dt{color:var(--sm-muted);font-size:12.5px;letter-spacing:.04em;margin-top:10px}.sm-dl dd{margin:2px 0 0}.sm-doc-date{font-size:13px;color:var(--sm-muted);margin:40px 0 0;padding-top:20px;border-top:1px solid var(--sm-line)}.sm-back{display:inline-block;margin-top:32px;font-size:14px}.sm-link,.sm-main a{color:var(--sm-accent);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .16s ease}.sm-link:hover,.sm-main a:hover{border-bottom-color:var(--sm-accent)}.sm-footer{flex-shrink:0;border-top:1px solid var(--sm-line);padding:28px 24px 40px;text-align:center}.sm-footer-nav{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:center;margin:0 0 16px;font-size:13.5px}.sm-footer-nav a{color:var(--sm-accent);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .16s ease}.sm-footer-nav a:hover{border-bottom-color:var(--sm-accent)}.sm-copyright{font-size:12px;letter-spacing:.06em;color:var(--sm-muted);margin:0}:focus-visible{outline:2px solid var(--sm-accent);outline-offset:3px;border-radius:2px}.sm-footer-nav a:focus:not(:focus-visible),.sm-link:focus:not(:focus-visible){outline:none}@media (prefers-reduced-motion:reduce){*{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}}@media (max-width:480px){.sm-main{padding-top:clamp(48px,10vh,96px);padding-left:20px;padding-right:20px}.sm-lead{font-size:14px}.sm-rule{margin:40px auto}}