:root{--paper:#F5F3EB;--ink:#282D29;--green:#253D35;--muted:#626B63;--line:#D4D8CD;--accent:#A44831}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic","Noto Sans JP",sans-serif;font-size:16px;line-height:1.9}
.wrap{max-width:720px;margin:0 auto;padding:56px 22px 96px}
h1{font-family:"Shippori Mincho","Hiragino Mincho ProN","Yu Mincho","Noto Serif JP",serif;font-weight:500;font-size:clamp(26px,6vw,34px);line-height:1.5;color:var(--green);margin:0 0 28px}
h2{font-family:"Shippori Mincho","Hiragino Mincho ProN","Yu Mincho",serif;font-weight:500;font-size:20px;color:var(--green);margin:36px 0 10px}
p{margin:0 0 14px}
dl{display:grid;grid-template-columns:8em 1fr;gap:10px 16px;margin:0 0 24px}
dt{color:var(--muted);font-size:14px}dd{margin:0}
a{color:var(--accent)}
.back{display:inline-block;margin-top:40px;font-size:14px;color:var(--muted)}
.small{font-size:13px;color:var(--muted)}
@media (max-width:480px){dl{grid-template-columns:1fr;gap:2px 0}dt{margin-top:10px}}
/* 記事ページ */
.article{max-width:760px}
.article .date{font-size:13px;color:var(--muted);margin:-14px 0 28px}
.article h2{font-size:22px;margin:44px 0 12px;padding-top:14px;border-top:1px solid var(--line)}
.article h3{font-size:17px;margin:24px 0 8px;color:var(--green)}
.article ul,.article ol{padding-left:1.4em;margin:0 0 16px}
.article li{margin:4px 0}
.article table{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0 20px}
.article th,.article td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;vertical-align:top}
.article th{color:var(--muted);font-weight:500;font-size:13px;white-space:nowrap}
.toc{background:#EDEBE1;padding:16px 20px;margin:0 0 28px;font-size:14px}
.toc ol{margin:6px 0 0;padding-left:1.4em}
.cta{background:var(--green);color:var(--paper);padding:24px 22px;margin:40px 0 12px}
.cta h2{color:var(--paper);border:0;margin:0 0 8px;padding:0;font-size:20px}
.cta p{color:#c8d2c5;margin:0 0 14px}
.cta a.btn{display:inline-block;background:var(--accent);color:var(--paper);text-decoration:none;padding:12px 20px;font-size:15px}
.sources{font-size:13px;color:var(--muted)}
.sources li{overflow-wrap:anywhere}
.guide-list{list-style:none;padding:0;margin:0}
.guide-list li{border-top:1px solid var(--line);padding:18px 0}
.guide-list a{font-family:"Shippori Mincho","Hiragino Mincho ProN",serif;font-size:19px;color:var(--green);text-decoration:none}
.guide-list p{margin:6px 0 0;font-size:14px;color:var(--muted)}
.crumbs{font-size:12px;color:var(--muted);margin:0 0 20px}
.crumbs a{color:var(--muted)}