:root{--ink:#17243b;--muted:#526078;--line:#dce3ed;--blue:#4146cc;--nav:#10223b;--paper:#fff;--soft:#f3f6fa}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;font-size:16px;line-height:1.9}a{color:var(--blue);text-underline-offset:4px}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #ee9c36;outline-offset:4px}.top{height:84px;border-bottom:1px solid var(--line);position:fixed;inset:0 0 auto;display:flex;align-items:center;gap:24px;background:#fff;z-index:20;padding:0 30px 0 24px}.brand{display:flex;gap:12px;text-decoration:none;color:var(--ink);line-height:1.25;min-width:238px;font-size:18px;font-weight:700}.brand small{display:block;font-size:12px;letter-spacing:.16em;margin-top:6px}.brand-icon{background:var(--blue);color:#fff;width:38px;height:38px;display:grid;place-items:center;border-radius:8px;margin-top:2px}.top form{display:flex;align-items:center;gap:8px;max-width:640px;flex:1}.top label{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden}.top input{min-width:0;width:100%;padding:9px 14px;border:1px solid var(--line);border-radius:6px;background:var(--soft);font-size:14px}.top button,.print-page{padding:7px 12px;background:white;border:1px solid var(--line);border-radius:6px;font-size:14px}.version{margin-left:auto;font-size:12px;color:var(--muted);white-space:nowrap}#navigation{position:fixed;inset:84px auto 0 0;width:270px;background:var(--nav);color:#fff;overflow:auto;padding:18px 18px 40px;z-index:15}#navigation a{display:block;color:#dae4f4;text-decoration:none;font-size:14px;padding:9px 12px;line-height:1.6;border-radius:5px;margin:2px 0}#navigation a:hover{background:#203956}#navigation a[aria-current]{color:#fff;background:#354a75;border-left:3px solid #abbcff;padding-left:9px}.nav-part{font-size:12px;color:#9cadc5;margin:22px 12px 7px;letter-spacing:.08em}main{margin-left:270px;padding:124px 46px 60px;max-width:1220px}article{max-width:850px;margin:auto}.page-toc{position:fixed;right:20px;top:132px;width:175px;font-size:13px;max-height:75vh;overflow:auto;border-left:1px solid var(--line);padding-left:18px}.page-toc strong{font-size:12px;color:var(--muted)}.page-toc a{display:block;text-decoration:none;color:var(--muted);margin:14px 0;line-height:1.6}.eyebrow{font-size:13px;font-weight:700;color:var(--blue);margin:0 0 18px}.eyebrow span{color:var(--muted);font-weight:400;margin-left:15px}h1{font-size:clamp(27px,3.1vw,39px);line-height:1.45;letter-spacing:.015em;margin:0 0 22px;max-width:23em}h2{font-size:24px;line-height:1.55;margin:0 0 22px;border-top:1px solid var(--line);padding-top:34px}h3{font-size:19px;margin:30px 0 12px}.lead{font-size:18px;line-height:1.95;color:var(--muted);margin-bottom:32px}section{margin-top:46px}p{margin:14px 0 20px}ul{padding-left:1.6em}li{margin:12px 0}.start-links{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:30px 0}.start-links>a{display:block;text-decoration:none;background:var(--soft);border:1px solid var(--line);border-top:3px solid var(--blue);border-radius:5px;padding:22px;color:var(--ink)}.start-links small{display:block;color:var(--blue);font-size:13px;font-weight:700}.start-links strong{display:block;font-size:20px;line-height:1.65;margin:10px 0}.start-links span{font-size:14px;color:var(--muted)}figure{margin:32px 0;border:1px solid #cdd8e7;border-radius:9px;overflow:hidden;background:#f5f7fc;box-shadow:0 7px 22px #152b4910}figure a{display:block}figure img{display:block;width:100%;height:auto}figcaption{border-top:1px solid var(--line);padding:14px 18px;font-size:14px;color:#34425a;background:#fafcff;line-height:1.8}figcaption span{display:block;font-size:12px;color:var(--blue);margin-top:5px}.note{border-left:4px solid var(--blue);background:#f1f4fd;padding:20px 24px;margin:26px 0;border-radius:0 6px 6px 0}.note strong{font-size:14px;color:var(--blue)}.note p{margin:8px 0 0;font-size:15px}.steps{list-style:none;counter-reset:step;padding:0;margin:20px 0}.steps li{position:relative;padding:14px 0 18px 51px;min-height:58px;border-bottom:1px solid #edf0f5}.steps li:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:15px;background:#e9edff;color:var(--blue);border-radius:50%;width:32px;height:32px;display:grid;place-items:center;font-size:15px;font-weight:700}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:7px;margin:24px 0}table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.8;min-width:460px}th,td{text-align:left;vertical-align:top;padding:13px 16px;border-bottom:1px solid var(--line)}th{background:var(--soft);font-weight:700;color:#334461}tr:last-child td{border-bottom:0}td:first-child{font-weight:600;min-width:130px}.button{display:inline-block;background:var(--blue);color:#fff;padding:10px 19px;border-radius:5px;text-decoration:none;margin-right:10px}.model{border:1px solid var(--line);padding:24px;text-align:center;background:#f8faff;border-radius:8px}.model-row{display:flex;gap:18px;margin:20px 0}.model-row>div{flex:1;background:white;border:1px solid #bdcae0;padding:20px;border-radius:5px}.model p{margin:10px 0}.page-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;border-top:1px solid var(--line);padding-top:24px;margin-top:60px;font-size:13px}.page-nav a{text-decoration:none}.page-nav a:last-child{text-align:right}.page-nav strong{font-size:15px}footer{border-top:1px solid var(--line);margin-top:45px;padding-top:24px;font-size:12px;color:var(--muted)}footer button{display:block;margin-top:16px}.skip{position:fixed;top:-100px;left:20px;z-index:100;background:#fff;padding:10px}.skip:focus{top:5px}#menu-toggle{display:none}#search-results{padding:20px;background:var(--soft);border:1px solid var(--line);border-radius:6px;margin-bottom:30px}#search-results a{display:block;padding:12px 0;border-bottom:1px solid var(--line)}#search-results a span{display:block;font-size:14px;color:var(--muted)}#search-results button{float:right}dialog{width:min(1500px,96vw);max-height:94vh;padding:18px;border:0;border-radius:9px;box-shadow:0 20px 80px #0005}dialog::backdrop{background:#07172bd9}dialog img{display:block;width:100%;height:auto;margin-top:10px}dialog button{background:var(--blue);border:0;border-radius:5px;padding:9px 16px;color:white;position:sticky;top:0}dialog p{font-size:14px}details{border:1px solid var(--line);border-radius:6px;margin:14px 0;padding:16px 20px}summary{cursor:pointer;font-weight:700}details 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form{order:3;flex-basis:100%;max-width:none}#navigation{display:none;inset:128px 0 0;width:auto;padding:15px 24px}body.menu-open #navigation{display:block}main{margin:0;padding:155px 20px 40px}.start-links{grid-template-columns:1fr}.model-row{flex-direction:column}h1{font-size:28px}h2{font-size:22px}.lead{font-size:16px}section{margin-top:34px}figcaption{padding:12px;font-size:13px}.note{padding:16px}.page-nav{gap:14px}html{scroll-padding-top:145px}}@media print{.top,#navigation,.page-toc,.skip,.page-nav,.print-page,#search-results,dialog{display:none!important}main{margin:0!important;padding:0!important;max-width:none}article{max-width:none}body{font-size:11pt}h1{font-size:22pt}h2{font-size:16pt}figure,.note,tr{break-inside:avoid}figure{box-shadow:none}a{color:inherit}figcaption span{display:none}.table-wrap{overflow:visible}table{min-width:0}section{margin-top:24px}}

/* 検索ボタンの日本語が縦に折れないようにする。 */
.top form button{flex-shrink:0;white-space:nowrap}