:root{--paper:#FBF9F5;--paper-alt:#F2ECE4;--ink:#252321;--muted:#786F68;--rust:#AD4330;--border:#E9E0D7;--sage:#75846F}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:38px}
body{background:var(--paper);color:var(--ink);margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
::selection{background:#e5b6a8;color:#282421}
a{color:inherit;text-decoration:none}
a:focus-visible,summary:focus-visible{outline:3px solid var(--rust);outline-offset:5px;border-radius:3px}
.shell{width:min(1120px,calc(100% - 88px));margin-inline:auto}
.skip-link{position:absolute;left:20px;top:-60px;background:var(--ink);color:white;padding:10px 15px;z-index:100}.skip-link:focus{top:10px}
.topbar{min-height:100px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:13px;font-size:21px;font-weight:730;letter-spacing:-.055em;white-space:nowrap}
.mark{width:41px;height:41px;background:white;border:1px solid #eee7dc;border-radius:13px;display:grid;place-items:center;box-shadow:0 3px 16px #55463008;flex-shrink:0}
.mark svg{width:31px;height:31px}
.top-nav{display:flex;gap:30px;align-items:center;font-size:14px;color:#756b62;font-weight:560}
.top-nav a:hover,.top-nav a.active{color:var(--rust)}
.page-head{padding-top:76px;padding-bottom:69px;border-bottom:1px solid var(--border);position:relative}
.page-head::after{content:"";width:240px;height:240px;pointer-events:none;background:radial-gradient(ellipse,rgba(194,120,90,.12),transparent 70%);position:absolute;right:4%;top:0}
.kicker{font-size:12px;color:var(--rust);font-weight:700;letter-spacing:.14em;text-transform:uppercase;display:flex;align-items:center;gap:11px;margin-bottom:19px}
.kicker:before{content:"";width:22px;height:1.5px;background:var(--rust)}
h1{font-size:clamp(50px,6.9vw,83px);letter-spacing:-.072em;line-height:1.07;margin:0;font-weight:760;max-width:900px}
.page-layout{padding-top:72px;padding-bottom:122px;display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:clamp(40px,8vw,128px);align-items:start}
.article{max-width:760px;min-width:0;font-size:17px;line-height:1.78;letter-spacing:-.012em}
.article h2{font-size:22px;line-height:1.25;letter-spacing:-.035em;margin:0 0 20px;font-weight:700}
.article section{border-top:1px solid var(--border);padding-top:36px;margin-top:37px;scroll-margin-top:22px}
.article section:first-child{border-top:0;margin-top:0;padding-top:0}
.article p{margin:0 0 18px;color:#59544e}
.article p:last-child{margin-bottom:0}
.article strong{color:#292622;font-weight:650}
.article em{font-style:italic}
.article a{color:var(--rust);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article a:hover{color:#7d2e22}
.article ul{list-style:none;margin:19px 0 25px;padding:0;display:grid;gap:12px}
.article li{padding-left:24px;position:relative;color:#59544e}
.article li:before{content:"";width:6px;height:6px;position:absolute;top:12px;left:3px;background:var(--rust);border-radius:50%}
.article section.updated{padding-top:35px}
.article section.updated p{font-size:14px;color:#847a71}
.contents{position:sticky;top:26px;border-left:1px solid var(--border);padding-left:23px}
.contents-title{color:#a04b37;letter-spacing:.12em;text-transform:uppercase;font-size:11px;font-weight:780;margin-bottom:20px}
.contents a{display:block;font-size:13px;line-height:1.45;padding:5px 0 7px;color:#81776e;transition:color .15s}
.contents a:hover{color:var(--rust)}
.faq-list{max-width:775px}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-item summary{cursor:pointer;list-style:none;display:flex;align-items:flex-start;gap:16px;justify-content:space-between;font-size:20px;line-height:1.38;font-weight:630;letter-spacing:-.035em;padding:25px 0}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--rust);font-weight:400;font-size:28px;line-height:1;flex-shrink:0;transform-origin:50% 50%;transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{color:#59544e;padding:0 39px 22px 0;font-size:17px;line-height:1.75}
.faq-answer p{margin:0 0 14px}.faq-answer p:last-child{margin-bottom:0}
.faq-answer a{color:var(--rust);text-decoration:underline;text-underline-offset:3px}
.faq-answer strong{font-weight:650;color:var(--ink)}
.faq-answer em{font-style:italic}
.faq-note{font-size:13px;color:#9a8e82;margin-top:25px}
footer{border-top:1px solid var(--border);padding:34px 0 45px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer-links{display:flex;gap:24px;align-items:center;font-size:13px;color:#6f665d}
.footer-links a:hover{color:var(--rust)}
.footer-credit{font-size:12px;color:#988e84}
@media(max-width:800px){.shell{width:calc(100% - 48px)}.topbar{min-height:90px}.page-head{padding:56px 0}.page-layout{display:block;padding-top:52px;padding-bottom:85px}.contents{display:none}.article{max-width:100%}}
@media(max-width:480px){.shell{width:calc(100% - 38px)}.topbar{min-height:84px}.top-nav{gap:12px;font-size:12px}.brand{font-size:19px;gap:8px}.mark{width:33px;height:33px;border-radius:11px}.mark svg{width:25px;height:25px}.page-head{padding-top:46px;padding-bottom:50px}h1{font-size:48px}.page-layout{padding-top:43px}.article{font-size:16px}.article h2{font-size:20px}.article section{margin-top:30px;padding-top:28px}.faq-item summary{font-size:18px;padding:22px 0}.faq-answer{font-size:16px;padding-right:12px}.footer-inner{display:flex;flex-direction:column;align-items:flex-start;gap:17px}.footer-links{flex-wrap:wrap;gap:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.faq-item summary::after{transition:none}}