:root{--ink:#17231e;--muted:#54635c;--green:#0b6b44;--green-dark:#073f2d;--accent:#e95b25;--paper:#fbfcf8;--line:#dbe4dc;--soft:#eef8f2}
*{box-sizing:border-box}
html,body{max-width:100%;overflow-x:hidden}
body.keyword-article-page{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;letter-spacing:0}
.article-header{position:static;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px max(22px,calc((100vw - 1120px)/2));background:#10241d;color:#fff}
.article-header .brand{color:#fff;text-decoration:none;font-weight:950;font-size:20px}.article-header nav{display:flex;gap:16px;flex-wrap:wrap}.article-header nav a{color:rgba(255,255,255,.84);text-decoration:none;font-weight:850}
.article-layout{max-width:1120px;margin:0 auto;padding:34px 22px 0}.article-hero{padding:28px 0 18px}.article-hero h1{margin:0;font-size:clamp(38px,6vw,70px);line-height:1.08;letter-spacing:0;color:#10241d;overflow-wrap:anywhere}.article-hero p{max-width:920px;margin:18px 0 0;color:#33413b;font-size:22px;font-weight:800;line-height:1.65}.eyebrow{margin:0 0 12px!important;color:var(--accent)!important;font-size:16px!important;font-weight:950!important;text-transform:uppercase}
.article-hero-image{margin:8px 0 26px;border-radius:8px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:0 22px 54px rgba(10,20,16,.12)}.article-hero-image img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}.article-hero-image figcaption{padding:14px 18px;color:#43524b;font-size:16px;font-weight:850;line-height:1.6}
.seo-section{margin-top:22px;padding:26px;border-radius:8px;background:#fff;border:1px solid var(--line);box-shadow:0 18px 42px rgba(10,20,16,.07)}.seo-section h2{margin:0 0 14px;color:#073f2d;font-size:32px;line-height:1.25}.seo-section p,.seo-section li{color:#2f3f38;font-size:18px;font-weight:750;line-height:1.8}
.article-summary ul{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:14px 0 0;padding:0;list-style:none}.article-summary a{min-height:62px;padding:14px 16px;border-radius:8px;background:var(--soft);color:var(--green-dark);text-decoration:none;font-size:16px;font-weight:950;display:flex;align-items:center}
.score-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.score-strip span{padding:10px 14px;border-radius:999px;background:#fff3eb;color:#7d2c10;font-weight:950}.score-strip strong{font-size:22px}
.deep-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}.deep-list li{padding:16px;border-radius:8px;background:#f8faf5;border:1px solid var(--line)}.deep-list strong{display:block;margin-bottom:6px;color:#073f2d;font-size:19px}.deep-list span{display:block}
.article-example-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.article-example-grid div{min-width:0;padding:18px;border-radius:8px;background:#f8faf5;border:1px solid var(--line)}.article-example-grid strong{display:block;margin-bottom:10px;color:#073f2d;font-size:19px}.article-example-grid pre{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;color:#24342d;font-family:inherit;font-size:17px;font-weight:800;line-height:1.75}
.article-bullets{display:grid;gap:10px;margin:0;padding-left:1.25em}.official-links ul{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 0;padding:0;list-style:none}.official-links a{display:inline-flex;align-items:center;min-height:44px;padding:10px 14px;border-radius:8px;background:var(--soft);color:var(--green-dark);font-size:16px;font-weight:950;text-decoration:none}
.faq-list details{border-top:1px solid var(--line);padding:16px 0}.faq-list details:first-of-type{border-top:0}.faq-list summary{cursor:pointer;font-weight:950;color:#073f2d;font-size:19px}.faq-list p{margin:10px 0 0}
.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.article-card{display:flex;min-height:180px;flex-direction:column;gap:8px;padding:18px;border-radius:8px;background:#fff;border:1px solid rgba(11,107,68,.2);box-shadow:0 16px 36px rgba(11,107,68,.07);color:inherit;text-decoration:none}.article-card span{color:#e95b25;font-size:14px;font-weight:950}.article-card strong{color:#073f2d;font-size:21px;line-height:1.35;overflow-wrap:anywhere}.article-card p{margin:0;color:#47564f;font-size:15px;font-weight:750;line-height:1.6}
.article-service-promo{background:#10241d;color:#fff;border-color:#10241d}.article-service-promo h2{color:#fff}.article-service-promo p:not(.eyebrow){color:#dceee7;font-size:18px;font-weight:800;line-height:1.7}.article-service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:16px}.article-service-card{min-height:172px;padding:18px;border-radius:8px;background:#fff;color:#10241d;text-decoration:none;display:flex;flex-direction:column;gap:8px}.article-service-card span{color:#e95b25;font-size:14px;font-weight:950}.article-service-card strong{color:#073f2d;font-size:22px;line-height:1.3}.article-service-card p{margin:auto 0 0!important;color:#46534e!important;font-size:15px!important;line-height:1.65!important;font-weight:800!important}.article-service-all{display:inline-flex;min-height:48px;align-items:center;justify-content:center;margin-top:16px;padding:0 18px;border-radius:6px;background:#e95b25;color:#fff;text-decoration:none;font-weight:950}
.category-list{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;list-style:none}.category-list li{padding:10px 13px;border-radius:999px;background:var(--soft);color:#073f2d;font-size:16px;font-weight:950}.category-list strong{color:#e95b25}
.ad-wrap{margin:22px 0;padding:16px;border-radius:8px;background:#f6f8f4;border:1px dashed #b8c8bc;min-height:120px;max-width:100%;overflow:hidden}.ad-wrap ins,.ad-wrap iframe{max-width:100%!important}
.article-footer{margin-top:36px;padding:28px max(22px,calc((100vw - 1120px)/2));display:flex;gap:18px;flex-wrap:wrap;background:#10241d;color:#fff;font-weight:850}.article-footer a{text-decoration:none;color:rgba(255,255,255,.78)}
@media(max-width:900px){.article-header{align-items:flex-start;flex-direction:column}.article-layout{padding:24px 18px 0}.article-hero h1{font-size:42px}.article-hero p{font-size:19px}.article-summary ul,.article-example-grid,.article-grid,.article-service-grid{grid-template-columns:1fr}.seo-section{padding:20px}.seo-section h2{font-size:27px}}