:root{
 --bg:#f8f9fa;--paper:#fff;--text:#202122;--muted:#54595d;
 --line:#a2a9b1;--link:#36c;--soft:#eaecf0;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif}
a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}
.top{height:62px;display:flex;align-items:center;gap:18px;background:#fff;border-bottom:1px solid #c8ccd1;padding:0 20px;position:sticky;top:0;z-index:20}
#menuBtn{display:none;border:0;background:none;font-size:24px}
.brand{font-family:Georgia,"Times New Roman",serif;color:#202122;font-size:21px;white-space:nowrap;display:flex;align-items:center;gap:9px}
.brand:hover{text-decoration:none}
.site-logo{width:34px;height:34px;display:block;border-radius:8px;box-shadow:0 1px 3px #0002}
.search{position:relative;width:min(620px,55vw)}
.search input{width:100%;padding:9px 11px;border:1px solid var(--line);font-size:14px}
#results{display:none;position:absolute;left:0;right:0;top:39px;background:#fff;border:1px solid var(--line);box-shadow:0 5px 18px #0002;max-height:380px;overflow:auto}
.hit{display:block;padding:10px 12px;border-bottom:1px solid var(--soft)}
.hit small{display:block;color:var(--muted);margin-top:4px}
.page{display:grid;grid-template-columns:240px minmax(0,1fr);max-width:1450px;margin:auto}
#side{min-height:calc(100vh - 62px);border-right:1px solid #c8ccd1;padding:26px 18px}
#side nav{display:flex;flex-direction:column;gap:8px;font-size:14px}
#side h4{border-top:1px solid #c8ccd1;padding-top:15px;margin:13px 0 2px;color:var(--muted)}
#cats{display:flex;flex-direction:column;gap:7px}
.about{font-size:12px;line-height:1.55;color:var(--muted);margin-top:28px}
main{background:#fff;min-height:calc(100vh - 62px);padding:36px 56px 90px}
.article{max-width:1000px}
h1,h2{font-family:Georgia,"Times New Roman",serif;font-weight:400}
h1{font-size:34px;border-bottom:1px solid var(--line);padding-bottom:7px;margin-top:0}
h2{font-size:25px;border-bottom:1px solid var(--line);padding-bottom:5px;margin-top:32px}
.lead{font-size:16px;line-height:1.75}
.meta{font-size:12px;color:var(--muted)}
.notice{border-left:4px solid #36c;background:#f8f9fa;padding:13px 15px;margin:18px 0;line-height:1.7}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.card{border:1px solid #c8ccd1;padding:14px}
.card h3{margin:0 0 7px}
.card p{line-height:1.65}
.entry{padding:17px 0;border-bottom:1px solid var(--soft)}
.entry h3{margin:5px 0 6px}
.badge{display:inline-block;font-size:11px;border:1px solid #c8ccd1;background:#f8f9fa;padding:2px 7px;margin:3px 4px 3px 0;border-radius:2px}
.priority-高{font-weight:700;border-color:#72777d}
.infobox{float:right;width:320px;margin:0 0 18px 25px;background:#f8f9fa;border:1px solid var(--line);font-size:13px}
.infobox .title{background:#eaecf0;text-align:center;font-weight:700;padding:9px}
.infobox .row{display:grid;grid-template-columns:105px 1fr;border-top:1px solid #c8ccd1}
.infobox .row>*{padding:7px}
.sourcebox{background:#f8f9fa;border:1px solid #c8ccd1;padding:12px 14px;margin-top:25px;line-height:1.8}

/* 用語集 */
.glossary-nav{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0 22px}
.glossary-nav a{border:1px solid #c8ccd1;padding:5px 9px;background:#f8f9fa;font-size:13px}
.glossary-section{scroll-margin-top:80px}
.term{border-top:1px solid var(--soft);padding:14px 0}
.term:first-of-type{border-top:0}
.term h3{margin:0 0 6px;font-size:18px}
.term .alias{font-size:12px;color:var(--muted);font-weight:400}
.term p{margin:5px 0;line-height:1.7}

/* 表 */
.table-wrap{overflow-x:auto;border:1px solid #c8ccd1;margin:16px 0 24px}
.compare-table{width:100%;border-collapse:collapse;min-width:760px;font-size:13px}
.compare-table th,.compare-table td{border-right:1px solid #c8ccd1;border-bottom:1px solid #c8ccd1;padding:9px 10px;vertical-align:top;text-align:left}
.compare-table th:last-child,.compare-table td:last-child{border-right:0}
.compare-table tr:last-child td{border-bottom:0}
.compare-table thead th{background:#eaecf0;position:sticky;top:0;z-index:1}
.compare-table tbody tr:nth-child(even){background:#f8f9fa}
.rating{white-space:nowrap;font-weight:700}
.compare-note{font-size:12px;color:var(--muted);line-height:1.6}
.choice-grid .card p{line-height:1.65}

/* 記事一覧 */
.content-list{border-top:1px solid #c8ccd1;margin-top:14px}
.content-row{display:grid;grid-template-columns:42px 1fr;gap:10px;padding:14px 0;border-bottom:1px solid var(--soft)}
.content-row h3{margin:3px 0 6px}
.content-row p{margin:0;line-height:1.65}
.content-no{font-family:Georgia,"Times New Roman",serif;font-size:20px;color:var(--muted);padding-top:7px;text-align:center}

/* 実践ガイド */
code{font-family:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;background:#f1f3f5;border:1px solid #eaecf0;border-radius:3px;padding:1px 4px;font-size:.92em}
.example-box{background:#f8f9fa;border:1px solid #c8ccd1;padding:14px 16px;margin:16px 0;line-height:1.75}
.steps{line-height:1.8;padding-left:24px}
.article ul{line-height:1.8}

footer{text-align:center;padding:18px;font-size:12px;color:var(--muted);background:#fff;border-top:1px solid #c8ccd1}
@media(max-width:800px){
 #menuBtn{display:block}.top{gap:9px}.brand span{display:none}.search{width:100%}
 .page{grid-template-columns:1fr}#side{position:fixed;top:62px;bottom:0;left:-280px;width:270px;background:#fff;z-index:30;transition:.2s;box-shadow:3px 0 12px #0002;overflow:auto}
 #side.open{left:0}main{padding:25px 18px 70px}.infobox{float:none;width:100%;margin:15px 0}
}