:root{--green:#17643a;--green-dark:#10482a;--ink:#24352b;--muted:#58665e;--line:#dce5de;--soft:#f3f7f3}*{box-sizing:border-box}body{color:var(--ink);overflow-wrap:anywhere;background:#fff;margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Yu Gothic,Meiryo,sans-serif;line-height:1.85}a{color:var(--green);text-underline-offset:.22em}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline-offset:4px;outline:3px solid #a96e08}img{max-width:100%;height:auto}h1,h2,h3{color:var(--ink);line-height:1.55}h1{letter-spacing:.015em;font-size:clamp(1.8rem,3.1vw,2.6rem)}h2{font-size:clamp(1.3rem,2.3vw,1.65rem)}main,.site-header,.site-footer{max-width:1080px;margin-inline:auto;padding-inline:28px}main{padding-block:28px 48px}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;padding-block:22px;display:flex}.brand{color:var(--green-dark);letter-spacing:.02em;font-size:20px;font-weight:750;text-decoration:none}.site-header nav{flex-wrap:wrap;gap:24px;font-size:14px;font-weight:650;display:flex}.site-header nav a{align-items:center;min-height:44px;text-decoration:none;display:inline-flex}.site-header nav a:hover,.site-header nav a[aria-current]{text-decoration:underline}.skip-link{z-index:10;background:#fff;padding:10px;position:absolute;top:-100px;left:16px}.skip-link:focus{top:8px}.notice{background:var(--soft);border:1px solid var(--line);color:var(--muted);border-radius:8px;padding:14px 18px;font-size:14px}.disclosure{background:0 0;border:0;margin:0 0 22px;padding:0;font-size:12px}.eyebrow{color:var(--green);letter-spacing:.05em;margin:0 0 8px;font-size:13px;font-weight:700}.hero{background:var(--soft);border:1px solid var(--line);border-top:4px solid var(--green);border-radius:16px;grid-template-columns:minmax(0,1.8fr) minmax(0,1fr);align-items:center;gap:40px;padding:38px;display:grid}.hero h1{letter-spacing:.02em;margin:10px 0 18px;font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.5}.hero h1 span{color:var(--green);display:block}.hero-description{color:var(--muted);margin:0 0 22px;font-size:15px}.button,.cta{border:1px solid var(--green);background:var(--green);color:#fff;border-radius:8px;justify-content:center;align-items:center;gap:16px;max-width:100%;min-height:48px;padding:12px 22px;font-weight:700;line-height:1.65;text-decoration:none;display:inline-flex}.button:hover,.cta:hover{background:var(--green-dark);color:#fff}.button-secondary{color:var(--green);background:#fff}.service-chips{flex-wrap:wrap;gap:8px;margin:20px 0 0;padding:0;list-style:none;display:flex}.service-chips li{color:var(--green-dark);background:#fff;border:1px solid #cddccf;border-radius:5px;padding:3px 10px;font-size:12px}.hero-guide{border-left:1px solid #cbdace;padding-left:26px}.hero-guide ol{counter-reset:point;margin:0;padding:0;list-style:none}.hero-guide li{counter-increment:point;margin:18px 0;padding-left:30px;position:relative}.hero-guide li:before{content:counter(point,decimal-leading-zero);color:var(--green);font-size:12px;font-weight:700;position:absolute;top:3px;left:0}.hero-guide strong{font-size:16px;display:block}.hero-guide li span{color:var(--muted);margin-top:4px;font-size:13px;display:block}.home-section{margin-top:48px;scroll-margin-top:24px}.section-heading{justify-content:space-between;align-items:end;gap:16px;margin-bottom:20px;display:flex}.section-heading h2{margin:0}.section-heading>p,.section-heading>a{color:var(--muted);margin:0;font-size:14px}.section-heading>a{color:var(--green)}.category-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.category-card{border:1px solid var(--line);background:#fff;border-top:3px solid #8eaf98;border-radius:10px;flex-direction:column;gap:9px;padding:22px;text-decoration:none;display:flex}.category-card strong{color:var(--green-dark);font-size:18px}.category-card>span{color:var(--muted);font-size:13px}.category-card .category-bottom{color:var(--green);justify-content:space-between;margin-top:auto;padding-top:8px;font-weight:650;display:flex}.category-card:hover,.article-link:hover{background:#f8fbf8;border-color:#8aaa93;box-shadow:0 3px 10px #173c2110}.article-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.article-link{border:1px solid var(--line);background:#fff;border-radius:10px;flex-direction:column;align-items:start;gap:12px;min-width:0;padding:24px;text-decoration:none;display:flex}.category-label{background:var(--soft);color:var(--green);border-radius:4px;padding:2px 9px;font-size:12px;font-weight:650;display:inline-block}.card-title{color:var(--ink);font-size:18px;line-height:1.7}.article-link:hover .card-title{text-underline-offset:.2em;text-decoration:underline}.card-description{color:var(--muted);font-size:14px;line-height:1.85}.card-bottom{width:100%;color:var(--muted);border-top:1px solid #edf1ed;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:auto;padding-top:14px;font-size:12px;display:flex}.read-label{color:var(--green);font-weight:650}.section-action{text-align:center;margin-top:28px}.category-jump{flex-wrap:wrap;gap:10px;margin:28px 0;display:flex}.category-jump a{border:1px solid var(--line);border-radius:6px;min-height:44px;padding:8px 14px;font-size:14px;text-decoration:none}.category-jump a:hover{background:var(--soft)}.editorial-policy{background:var(--soft);border:1px solid var(--line);border-radius:12px;margin-top:48px;padding:28px 32px}.editorial-policy h2{margin:0 0 16px}.editorial-policy ul{padding-left:1.3em;font-size:15px}.editorial-policy p{flex-wrap:wrap;gap:24px;margin-bottom:0;font-size:14px;display:flex}.article{max-width:760px;margin-inline:auto}.article h1{margin:24px 0;font-size:clamp(1.65rem,3vw,2.4rem);line-height:1.6}.article p{margin:1.3em 0}.article .lead{border-bottom:1px solid var(--line);padding-bottom:20px;font-size:1.06rem;line-height:2}.article h2{background:var(--soft);border-left:4px solid var(--green);border-radius:0 6px 6px 0;margin-top:2.5em;padding:12px 16px;font-size:clamp(1.2rem,2.1vw,1.5rem);line-height:1.65}.article h3{margin-top:1.8em;font-size:1.08rem;line-height:1.75}.article h3+p{margin-top:.65em}.article ul,.article ol{padding-left:1.5em}.article li{margin-bottom:.7em;padding-left:.2em}.article li::marker{color:var(--green)}.article blockquote{color:#425147;background:#f7f8f5;border-left:3px solid #8eaf98;margin:24px 0;padding:4px 20px}.article small,.article-meta{color:var(--muted);font-size:13px}.table-wrap{border:1px solid var(--line);overscroll-behavior-x:contain;border-radius:8px;max-width:100%;margin:24px 0;overflow-x:auto}table{border-collapse:collapse;table-layout:fixed;width:100%;font-size:14px}th,td{border:1px solid var(--line);text-align:left;vertical-align:top;overflow-wrap:anywhere;padding:13px}th{background:var(--soft);font-weight:700}tbody tr:nth-child(2n){background:#fafbf9}.affiliate-box{border:1px solid #a6c1ad;border-top:4px solid var(--green);background:var(--soft);text-align:center;border-radius:12px;margin:32px 0;padding:24px}.affiliate-box .ad-label{color:var(--muted);background:#fff;border:1px solid #c4d4c8;border-radius:4px;margin:0 auto 16px;padding:2px 10px;font-size:12px;display:table}.affiliate-box .cta{box-shadow:0 3px #0e4225}.affiliate-box .cta-note{margin-bottom:0;line-height:1.7}.affiliate-box iframe{max-width:100%}.affiliate-box>a:has(img){max-width:100%;display:inline-block}.related-section{border-top:1px solid var(--line);max-width:860px;margin:52px auto 0;padding-top:28px}.related-section h2{margin:0 0 20px}.article-meta{border-top:1px solid var(--line);margin-top:28px;padding-top:20px}main nav[aria-label=パンくず]{color:var(--muted);max-width:760px;margin:0 auto 24px;font-size:12px}.site-footer{border-top:1px solid var(--line);margin-top:24px;padding-block:32px}.site-footer>p{color:var(--muted);font-size:13px}.site-footer nav{flex-wrap:wrap;gap:4px 24px;margin:16px 0;display:flex}.site-footer nav a{align-items:center;min-height:44px;font-size:13px;display:inline-flex}.site-footer small{color:var(--muted);font-size:12px}@media (width<=800px){.hero{grid-template-columns:1fr;gap:24px;padding:28px}.hero-guide{display:none}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.site-header{flex-direction:column;align-items:start;gap:4px;padding-block:16px}.site-header nav{gap:24px}.article-link{padding:20px}}@media (width<=540px){main,.site-header,.site-footer{padding-inline:16px}main{padding-top:20px}.brand{font-size:18px}.site-header nav{gap:22px;font-size:13px}.hero{border-radius:12px;padding:24px 20px}.hero-description{font-size:14px}.hero .button{width:100%}.hero h1{font-size:28px}.section-heading{flex-direction:column;align-items:start;gap:8px}.home-section{margin-top:36px}.category-grid{gap:10px}.category-card{gap:8px;padding:15px 12px}.category-card strong{font-size:15px}.category-card>span{font-size:12px}.article-list{grid-template-columns:1fr}.card-title{font-size:17px}.editorial-policy{padding:22px 20px}.article h1{font-size:26px}.article{font-size:16px;line-height:1.95}.article .lead{font-size:16px}.article h2{padding:10px 12px}.table-wrap table{min-width:440px}.table-wrap:before{content:"表は横にスクロールできます";width:100%;color:var(--muted);background:var(--soft);padding:8px 12px;font-size:12px;display:block;position:sticky;left:0}th,td{padding:10px}.affiliate-box{padding:20px 14px}.cta{width:100%;padding:14px}.site-footer nav{gap:4px 18px}}
