:root{--fg: #1a1a1a;--muted: #5c5c5c;--line: #e2e2e2;--accent: #8a2b1f;--bg: #fdfdfc;--wrap: 46rem}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--fg);font-family:ui-serif,Georgia,Times New Roman,serif;font-size:1.0625rem;line-height:1.7}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 1.25rem}.site-head{border-bottom:1px solid var(--line);padding:1.5rem 0}.site-head a{color:inherit;text-decoration:none}.site-head .name{font-weight:700;font-size:1.05rem;letter-spacing:-.01em}.site-head .tag{color:var(--muted);font-size:.875rem;margin-top:.15rem}.site-foot{border-top:1px solid var(--line);margin-top:4rem;padding:2rem 0 3rem;color:var(--muted);font-size:.85rem}article{padding:2.5rem 0 1rem}article h1{font-size:1.9rem;line-height:1.25;letter-spacing:-.02em;margin:0 0 .75rem}article h2{font-size:1.35rem;margin:2.5rem 0 .75rem;letter-spacing:-.01em}article h3{font-size:1.1rem;margin:2rem 0 .5rem}article p,article li{overflow-wrap:break-word}article a{color:var(--accent);text-underline-offset:2px}article hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}article blockquote{margin:1.5rem 0;padding:.25rem 0 .25rem 1.1rem;border-left:3px solid var(--line);color:var(--muted)}article code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.87em;background:#f2f1ef;padding:.1em .35em;border-radius:3px}article pre{padding:1rem;border-radius:6px;overflow-x:auto;font-size:.85rem}article pre code{background:none;padding:0}.table-scroll{overflow-x:auto;margin:1.5rem 0}article table{border-collapse:collapse;width:100%;font-size:.9rem;font-family:system-ui,sans-serif}article th,article td{border:1px solid var(--line);padding:.5rem .65rem;text-align:left;vertical-align:top;min-width:5.5em}article th{background:#f6f5f3;font-weight:600}article th:last-child:not(:first-child),article td:last-child:not(:first-child){min-width:12em}.meta{color:var(--muted);font-size:.85rem;font-family:system-ui,sans-serif;margin-bottom:2rem}article .eyecatch{width:100%;height:auto;margin:0 0 1.5rem;border-radius:8px}article mark{background:linear-gradient(transparent 60%,#fde68a 60%);color:inherit;padding:0 1px}article figure{margin:1.5rem 0}article figure img{width:100%;height:auto;border:1px solid var(--line);border-radius:6px}article figcaption{margin-top:6px;font-size:.8rem;color:var(--muted);font-family:system-ui,sans-serif}article .box{margin:1.5rem 0;padding:14px 18px;border-radius:8px;border:1px solid;font-family:system-ui,sans-serif}article .box>:first-child{margin-top:0}article .box>:last-child{margin-bottom:0}article .box-point{background:#fbeeec;border-color:var(--accent)}article .box-warn{background:#fff7ed;border-color:#c2410c}article .box-summary{background:#f6f5f3;border-color:var(--fg)}article .box:before{display:block;margin-bottom:6px;font-weight:700;font-size:.85rem}article .box-point:before{content:"ポイント";color:var(--accent)}article .box-warn:before{content:"注意";color:#c2410c}article .box-summary:before{content:"まとめ";color:var(--fg)}article ol.steps{list-style:none;padding-left:0;counter-reset:step}article ol.steps>li{position:relative;margin:0 0 12px;padding:10px 14px 10px 52px;background:#f6f5f3;border-radius:8px;counter-increment:step}article ol.steps>li:before{content:counter(step);position:absolute;left:12px;top:10px;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;text-align:center;line-height:28px}.lede{font-size:1.15rem;color:var(--muted);margin:0 0 2.5rem}.group{margin:2.5rem 0}.group h2{font-size:1.15rem;margin:0 0 .35rem;letter-spacing:-.01em}.group .note{color:var(--muted);font-size:.875rem;margin:0 0 1rem;font-family:system-ui,sans-serif}.group ul{list-style:none;padding:0;margin:0}.group li{padding:.75rem 0;border-top:1px solid var(--line)}.group li a{color:var(--fg);font-weight:600;text-decoration:none}.group li a:hover{color:var(--accent);text-decoration:underline}.group li p{margin:.2rem 0 0;color:var(--muted);font-size:.9rem}@media(max-width:640px){body{font-size:1rem}article h1{font-size:1.55rem}}.footer-media{margin-top:1.75rem;padding-top:1.5rem;border-top:1px solid var(--line);font-family:system-ui,sans-serif}.footer-media h2{margin:0 0 .85rem;font-size:.8rem;font-weight:600;color:var(--fg)}.footer-media__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1.15rem 2rem}.footer-media__group h3{margin:0 0 .4rem;font-size:.7rem;letter-spacing:.06em;color:var(--muted)}.footer-media ul{display:grid;gap:.25rem;list-style:none;margin:0;padding:0;font-size:.75rem}.footer-media a{color:var(--muted);text-decoration:none}.footer-media a:hover{color:var(--accent);text-decoration:underline}.footer-media span{color:var(--muted);opacity:.7}