/* 解説記事・プライバシーポリシーなど読み物ページの共通スタイル。配色トークンは index.html と同じ */
:root{
  --bg:#F3F5F1; --surface:#FFFFFF; --ink:#1D2520; --muted:#5F6B63; --line:#D6DDD5;
  --accent:#4F6F35; --accent-soft:#E4EDDA; --tape:#E2B23A; --tape-ink:#3A2C05; --warn:#9A6A08; --warn-soft:#FBEFCF;
  --f-body:"Zen Kaku Gothic New","Hiragino Sans","Noto Sans JP",system-ui,sans-serif;
  --f-num:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#141916; --surface:#1C231F; --ink:#E7ECE6; --muted:#9AA79E; --line:#2E3832;
  --accent:#9CC27A; --accent-soft:#26331F; --tape:#E8BE52; --tape-ink:#231A02; --warn:#F0C25A; --warn-soft:#352A10; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#141916; --surface:#1C231F; --ink:#E7ECE6; --muted:#9AA79E; --line:#2E3832;
  --accent:#9CC27A; --accent-soft:#26331F; --tape:#E8BE52; --tape-ink:#231A02; --warn:#F0C25A; --warn-soft:#352A10; color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.85;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:20px 56px}
.wrap{max-width:720px;margin:0 auto}
a{color:var(--accent);text-underline-offset:3px}
.num{font-family:var(--f-num);font-variant-numeric:tabular-nums}

.top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.site{display:inline-flex;flex-direction:column;gap:4px;text-decoration:none;color:var(--ink);font-weight:900;font-size:1.05rem;letter-spacing:.02em}
.site .tapebar{height:6px;width:120px;border-radius:2px;opacity:.85;
  background:repeating-linear-gradient(90deg,var(--tape) 0 9px,var(--tape-ink) 9px 10px)}
.top .tool{font-size:.85rem;font-weight:700}
.crumb{font-size:.78rem;color:var(--muted);margin:22px 0 2px}
.crumb a{color:var(--muted)}
h1{font-size:1.65rem;line-height:1.45;font-weight:900;margin:4px 0 8px;text-wrap:balance}
.meta{font-size:.8rem;color:var(--muted);margin:0}
.lead{margin:16px 0 22px}

article{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:26px 30px}
article h2{font-size:1.22rem;line-height:1.5;margin:40px 0 12px;padding-bottom:6px;border-bottom:2px solid var(--line)}
article h2:first-child{margin-top:0}
article h3{font-size:1.02rem;margin:26px 0 6px}
article p{margin:0 0 14px}
article ul,article ol{padding-left:1.4em;margin:0 0 16px}
article li{margin:4px 0}
.toc{background:var(--bg);border-radius:10px;padding:12px 18px;margin:0 0 8px;font-size:.92rem}
.toc b{font-size:.85rem;color:var(--muted)}
.toc ol{margin:4px 0 0}

.tablewrap{overflow-x:auto;margin:6px 0 16px}
table{border-collapse:collapse;width:100%;font-size:.92rem}
th,td{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{color:var(--muted);font-weight:500;font-size:.8rem;background:var(--bg);white-space:nowrap}
td.num,th.num{text-align:right}

.box{background:var(--bg);border-radius:10px;padding:12px 16px;margin:0 0 16px;font-size:.93rem}
.box.warn{background:var(--warn-soft)}
.box p:last-child,.box ul:last-child{margin-bottom:0}
.calc{font-family:var(--f-num);font-size:.92rem;background:var(--bg);border-radius:8px;padding:10px 14px;margin:0 0 16px;overflow-x:auto;white-space:pre}

.cta{background:var(--accent-soft);border-radius:12px;padding:18px 20px;margin:32px 0 0}
.cta b{display:block;font-size:1.05rem}
.cta p{margin:4px 0 0;font-size:.93rem}
.btn{display:inline-block;margin-top:12px;background:var(--accent);color:var(--surface);font-weight:700;text-decoration:none;border-radius:8px;padding:9px 18px}

.related{margin:28px 0 0;font-size:.93rem}
.related ul{padding-left:1.2em;margin:6px 0 0}

.foot{font-size:.8rem;color:var(--muted);margin-top:32px;border-top:1px solid var(--line);padding-top:14px}
.foot nav{display:flex;gap:6px 18px;flex-wrap:wrap;margin-bottom:8px}
.foot a{color:var(--muted)}
.foot p{margin:0}

@media (max-width:560px){article{padding:20px 16px}h1{font-size:1.38rem}}