:root{--ink:#281221;--muted:#6c5c66;--paper:#faf7f2;--line:#e5d9d0;--copper:#895338;--soft:#f5eae0;--green:#325c49;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.7;scroll-behavior:smooth;scroll-padding-top:24px}*{box-sizing:border-box}body{margin:0}a{color:#74452f;text-underline-offset:3px;overflow-wrap:anywhere}a:hover{text-decoration-thickness:2px}button,input{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #ac6d41;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.3rem,5vw,4.4rem);line-height:1.1;letter-spacing:-.045em;margin-bottom:24px}h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.25;letter-spacing:-.02em;margin-bottom:20px}h3{font-size:1.1rem;margin-top:28px;margin-bottom:10px}p{margin-bottom:18px}b,strong{font-weight:650}li{margin-bottom:12px}ul,ol{padding-left:1.5rem}img{max-width:100%;height:auto;display:block}.guide-header{max-width:1280px;margin:auto;padding:24px 32px;display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);font-size:1.25rem;font-weight:750}.brand small{display:block;font-size:.63rem;letter-spacing:.1em;font-weight:500}.guide-header nav{display:flex;gap:22px;font-size:.9rem}.hero{max-width:1280px;margin:auto;padding:64px 32px 50px}.eyebrow,.step-label{font-size:.72rem;font-weight:700;letter-spacing:.12em;color:var(--copper);margin-bottom:16px}.intro{max-width:730px;font-size:1.15rem;color:var(--muted)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;text-align:center;padding:12px 18px;border:1px solid var(--line);border-radius:9px;color:var(--ink);background:white;text-decoration:none;font-size:.92rem;font-weight:600}.primary{color:white;background:var(--copper);border-color:var(--copper)}.edition{font-size:.8rem;color:var(--muted);margin:20px 0 0}.guide-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;max-width:1280px;margin:auto;padding:0 32px 60px}.guide-sidebar{align-self:start;position:sticky;top:20px;max-height:calc(100dvh - 40px);overflow:auto;padding:4px 8px 12px 2px}.search-box{padding-bottom:20px}.search-box label{font-weight:650;display:block;margin-bottom:10px}.search-box input{width:100%;min-width:0;padding:11px 12px;border:1px solid var(--line);border-radius:7px;background:#fff;font-size:.87rem}.search-box p{font-size:.78rem;color:var(--muted);margin:6px 0 0}.contents summary{font-weight:650;cursor:pointer;margin-bottom:12px}.contents nav{display:grid;gap:3px}.contents a{padding:5px 8px;font-size:.84rem;text-decoration:none;border-radius:5px;color:var(--muted)}.contents a:hover{background:var(--soft);color:var(--ink)}.sidebar-note{font-size:.76rem;color:var(--muted);margin:24px 8px 0}main{min-width:0}.guide-section{padding:36px 40px;background:white;border:1px solid var(--line);border-radius:14px;margin-bottom:24px;scroll-margin-top:24px}.guide-section:target{border-color:var(--copper)}.steps li{padding-left:6px}.steps li::marker{font-weight:750;color:var(--copper)}.notice,.success,.example{padding:17px 20px;border-radius:8px;margin:22px 0;line-height:1.65}.notice{background:#fff4e8;border-left:4px solid #bc7b3d}.success{background:#edf5ef;color:var(--green)}.example{background:#f5f1f7}.notice strong,.success strong,.example strong{display:inline}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--paper)}figure{margin:26px 0 12px}figure img{border:1px solid var(--line);border-radius:8px}figcaption{font-size:.78rem;color:var(--muted);margin-top:8px}.faq dt{font-weight:700;margin-top:22px}.faq dd{margin:5px 0 20px}.guide-footer{padding:26px 10px;font-size:.83rem;color:var(--muted)}.guide-footer p{margin-bottom:10px}[hidden]{display:none!important}.skip{position:fixed;top:-100px;left:12px;background:#fff;padding:12px;z-index:5}.skip:focus{top:12px}
@media(max-width:900px){.guide-layout{grid-template-columns:200px minmax(0,1fr);gap:24px;padding:0 24px 40px}.guide-section{padding:28px}.guide-header,.hero{padding-left:24px;padding-right:24px}}
@media(max-width:680px){:root{font-size:16px;scroll-behavior:auto}.guide-header{padding:18px 16px;align-items:flex-start;flex-wrap:wrap}.guide-header nav{gap:22px}.hero{padding:36px 18px}.hero-actions{flex-direction:column}.guide-layout{display:block;padding:0 14px 32px}.guide-sidebar{position:static;max-height:none;margin-bottom:28px;padding:18px;background:white;border:1px solid var(--line);border-radius:12px}.contents nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.contents a{line-height:1.5;padding:8px 4px}.guide-section{padding:24px 20px}.notice,.success,.example{padding:14px}.sidebar-note{margin:16px 0 0}th,td{padding:10px 6px}table{font-size:.84rem}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}}
@media print{@page{size:A4;margin:16mm}:root{background:white;color:#111;font-size:10.5pt;line-height:1.5;scroll-behavior:auto}.guide-header,.guide-sidebar,.hero-actions,.skip,#guide-empty{display:none!important}.hero{padding:0 0 18px}.hero h1{font-size:28pt}.hero br{display:none}.guide-layout{display:block;padding:0}.guide-section,.guide-section[hidden]{display:block!important;border:0;border-top:1px solid #bbb;padding:18px 0;margin:0;break-inside:auto}.step-label{margin-bottom:6px}h2,h3{break-after:avoid}ol li,figure,.notice,.success,.example,tr{break-inside:avoid}figure img{max-height:105mm;width:auto;margin:auto}a{color:inherit;text-decoration:none}.guide-footer{padding:15px 0}.intro{font-size:12pt}.table-scroll{overflow:visible}}