:root{--paper:#f6f1e7;--cream:#fffdf7;--ink:#26362e;--forest:#193e34;--muted:#68766a;--line:#ddd7c9;--copper:#a9543c;--gold:#d8b984;--serif:"Hiragino Mincho ProN","Yu Mincho","Noto Serif CJK JP",Georgia,serif;--sans:"Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans CJK JP",Arial,sans}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:radial-gradient(circle at 70% 0,#fffaf0 0,var(--paper) 42%,#f1ecdf 100%);font:14px/1.75 var(--sans)}a{color:inherit}a:focus-visible{outline:2px solid var(--copper);outline-offset:4px}img{max-width:100%}.eyebrow{color:var(--copper);font-size:10px;font-weight:700;letter-spacing:.2em;text-transform:uppercase}.guide-header{height:86px;padding:0 clamp(22px,5vw,86px);display:flex;align-items:center;gap:26px;border-bottom:1px solid var(--line);background:#f8f4ea}.guide-brand{display:flex;align-items:center;gap:12px;text-decoration:none;margin-right:auto}.brand-mark{display:grid;place-items:center;width:39px;height:39px;background:var(--copper);box-shadow:4px 4px 0 #d8bf93;color:#fff8eb;font:28px var(--serif)}.guide-brand strong{display:block;font:600 22px/1.1 var(--serif)}.guide-brand small{display:block;color:#8a9188;font-size:9px;letter-spacing:.19em;margin-top:3px}.language-nav{display:flex;align-items:center;gap:13px}.language-nav a{font-size:11px;text-decoration:none;color:#657368;white-space:nowrap}.language-nav a[aria-current="page"]{color:var(--copper);font-weight:700;border-bottom:1px solid var(--copper)}.language-nav a:hover{color:var(--copper)}.header-action{display:inline-flex;gap:16px;align-items:center;background:var(--forest);padding:10px 16px;color:#fff8ea;font-size:11px;font-weight:700;text-decoration:none;white-space:nowrap}.header-action:hover{background:#285947}main{max-width:1440px;margin:auto;padding:0 clamp(22px,5vw,86px) 70px}.breadcrumb{display:flex;gap:12px;align-items:center;color:#889183;font-size:11px;margin:25px 0}.breadcrumb a{text-decoration:none}.breadcrumb a:hover{color:var(--copper)}.guide-hero{display:grid;grid-template-columns:1.04fr .96fr;min-height:428px;background:var(--forest);overflow:hidden;box-shadow:0 16px 37px 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a{display:block;padding:12px 0;text-decoration:none;color:#526458;font-size:12px}.guide-contents a:hover{color:var(--copper)}.guide-main{min-width:0}.guide-intro{padding-bottom:36px;border-bottom:1px solid var(--line)}h2{font:500 clamp(27px,2.6vw,39px)/1.35 var(--serif);margin:10px 0 17px}.guide-intro p{max-width:800px;color:#526257;font-size:15px;line-height:1.95;margin:0}.guide-step{display:grid;grid-template-columns:90px minmax(0,1fr);gap:26px;border-bottom:1px solid var(--line);padding:38px 0;scroll-margin-top:18px}.step-glyph{display:grid;place-items:center;width:82px;height:82px;border-radius:50%;background:#e3ebe0;color:#2a6148;font:48px var(--serif)}.guide-step:nth-child(2) .step-glyph{background:#eee9d8;color:#766831}.guide-step:nth-child(3) .step-glyph{background:#f0e1d8;color:#a9543c}.guide-step:nth-child(4) .step-glyph{background:#e1e9eb;color:#4b7180}.guide-step:nth-child(5) .step-glyph{background:#f0e5d8;color:#aa6e4b}.guide-step h3{font:500 clamp(22px,2vw,29px)/1.4 var(--serif);margin:0 0 10px}.guide-step p{color:#526257;font-size:14px;line-height:1.9;max-width:800px;margin:0 0 13px}.guide-step .example{color:#2b4638;background:#f0ece1;border-left:3px solid #c9a77d;padding:11px 15px;font-size:13px}.guide-step a{display:inline-flex;gap:12px;align-items:center;color:#964a36;font-size:12px;font-weight:700;text-decoration:none;border-bottom:1px solid #b47359;padding-bottom:3px}.guide-step a:hover{gap:18px}.rhythm{display:grid;grid-template-columns:.86fr 1.14fr;gap:50px;background:#e7e5d9;padding:clamp(27px,4vw,54px);border:1px solid #d8d6c8}.rhythm h2{margin-top:12px}.rhythm p{color:#617064;max-width:390px}.rhythm ol{list-style:none;padding:0;margin:0;background:#faf8f1;border:1px solid #dcd9c9}.rhythm li{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:16px 20px;border-bottom:1px solid #e2dfd1}.rhythm li:last-child{border-bottom:0}.rhythm strong{color:var(--copper);font:500 18px var(--serif)}.rhythm span{align-self:center;color:#4e5f52}.faq{max-width:930px;margin:75px auto 80px}.faq h2{margin-bottom:28px}.faq-item{padding:20px 0;border-top:1px solid var(--line)}.faq-item h3{font:500 20px/1.45 var(--serif);margin:0 0 7px}.faq-item p{color:#58665a;margin:0;line-height:1.9}.guide-end{background:linear-gradient(125deg,#1a4034,#2d5946);padding:44px 50px;color:#fff8e8;text-align:center}.guide-end .eyebrow{color:#e0bd84}.guide-end h2{margin:10px 0 24px}footer{max-width:1440px;margin:auto;padding:29px clamp(22px,5vw,86px) 45px;display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);font-size:12px;color:#637167}footer>a{text-decoration:none;font-family:var(--serif)}footer nav{display:flex;gap:13px}footer nav a{text-decoration:none}footer nav a[aria-current="page"]{color:var(--copper);font-weight:700}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:1000px){.guide-header{flex-wrap:wrap;height:auto;min-height:86px;padding-top:14px;padding-bottom:14px}.language-nav{order:3;width:100%;justify-content:flex-end}.guide-layout{grid-template-columns:185px minmax(0,1fr);gap:30px}.guide-contents a{font-size:11px}.guide-hero{min-height:395px}.guide-hero-copy{padding:38px}.guide-hero h1{font-size:42px}}
@media(max-width:700px){.guide-header{gap:12px}.guide-brand strong{font-size:19px}.header-action{font-size:10px;padding:8px 10px}.language-nav{justify-content:space-between;gap:6px}.language-nav a{font-size:10px}.breadcrumb{margin:16px 0}.guide-hero{grid-template-columns:1fr}.guide-hero-copy{padding:32px 27px 38px}.guide-hero h1{font-size:38px}.guide-hero p{font-size:14px}.guide-hero img{height:236px;object-position:center 55%}.guide-layout{display:block;margin:43px 0}.guide-contents{position:static;margin-bottom:38px}.guide-contents ol{display:flex;overflow:auto;gap:18px;white-space:nowrap}.guide-contents li{border:0}.guide-contents a{padding:5px 0}.guide-step{grid-template-columns:50px minmax(0,1fr);gap:16px;padding:30px 0}.step-glyph{width:50px;height:50px;font-size:32px}.guide-step h3{font-size:23px}.guide-step p{font-size:13px}.rhythm{grid-template-columns:1fr;gap:15px}.rhythm li{grid-template-columns:78px 1fr;gap:10px;padding:12px 14px}.rhythm strong{font-size:15px}.faq{margin:56px 0}.guide-end{padding:37px 22px}footer{display:block}footer nav{margin-top:17px;flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.not-found{min-height:calc(100vh - 86px);display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding-bottom:110px}.not-found h1{font:500 clamp(34px,5vw,66px)/1.25 var(--serif);margin:17px 0}.not-found p{font-size:16px;color:#617064;max-width:600px;margin:0 0 25px}