:root{--seo-ink:#183c38;--seo-accent:#b48a42;--seo-muted:#4f6662;--seo-line:#dbe3e0;--seo-bg:#f8faf9}html{scroll-behavior:smooth;scroll-padding-top:6rem}.seo-page{margin:0;color:var(--seo-ink);background:var(--seo-bg);font-family:Arial,'Noto Sans JP','Yu Gothic',Meiryo,sans-serif;font-size:16px;line-height:1.9}.seo-page *{box-sizing:border-box}.seo-page a{color:inherit;text-underline-offset:.25em}.seo-page a:hover{color:#765820}.seo-page img{max-width:100%;height:auto}.seo-page button,.seo-page a,.seo-page summary{-webkit-tap-highlight-color:transparent}.seo-page :focus-visible,:focus-visible{outline:3px solid #b48a42;outline-offset:4px}.seo-shell{width:min(1160px,calc(100% - 48px));margin:auto}.seo-header{max-width:1240px;margin:auto;min-height:90px;padding:18px 32px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--seo-line)}.seo-header img{display:block;width:130px;height:auto}.seo-header nav{display:flex;gap:24px;font-size:.9rem}.seo-breadcrumb{font-size:.85rem;line-height:1.8;color:var(--seo-muted);padding:24px 0;overflow-wrap:anywhere}.seo-eyebrow{font-size:.85rem;font-weight:700;letter-spacing:.13em;color:#765820}.seo-index-head{padding:35px 0 45px}.seo-index-head h1,.seo-landing-hero h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.5;letter-spacing:-.025em;font-weight:700;margin:18px 0 25px}.seo-lead{font-size:1.075rem;line-height:2;color:#435d58;max-width:820px}.seo-links{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:14px;line-height:1.8;padding:25px 0}.seo-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:32px 0 70px}.seo-card{background:#fff;border-top:3px solid var(--seo-ink);padding:30px;min-width:0}.seo-card span{font-size:.85rem;color:#765820}.seo-card h2{font-size:1.3rem;line-height:1.7;margin:12px 0}.seo-card p{font-size:1rem;color:var(--seo-muted);line-height:1.9}.seo-card a{text-decoration:none}.seo-card a:hover{text-decoration:underline}.seo-footer{padding:40px max(24px,calc((100% - 1160px)/2));background:#153b36;color:#fff;font-size:14px;line-height:2}.seo-footer a{color:inherit}.seo-footer .seo-links{border-bottom:1px solid #46615c;margin-bottom:24px}.seo-footer small{font-size:13px}.seo-article{max-width:810px;margin:0 auto;padding:0 28px 72px}.seo-article-head h1{font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.6;margin:18px 0}.seo-byline,.seo-editorial-note{font-size:14px;color:var(--seo-muted)}.seo-toc{margin:36px 0;padding:28px;background:#edf2ef;border-left:3px solid var(--seo-accent)}.seo-toc ol{margin-bottom:0;padding-left:1.5em}.seo-toc li{padding:5px 0}.seo-article section{margin:42px 0}.seo-article h2,.seo-faq h2,.seo-related>h2{font-size:1.5rem;line-height:1.7;margin:0 0 20px}.seo-article p{line-height:2.1}.seo-article li{margin:10px 0}.seo-checklist{border:1px solid var(--seo-line);padding:28px;background:#fff}.seo-cta{margin:44px 0;padding:30px;background:#eaf0ed;display:flex;align-items:flex-start;flex-direction:column;gap:16px}.seo-cta p{font-weight:700;margin:0}.seo-button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:16px 24px;background:#183c38;color:#fff!important;font-weight:700;text-decoration:none;line-height:1.7;border-radius:4px;max-width:100%;text-align:center}.seo-button:hover{background:#28564f}.seo-landing-hero{display:grid;grid-template-columns:1.5fr 1fr;gap:60px;padding:40px 0 65px;align-items:center}.seo-product-mark{padding:40px 25px;background:#fff;border-bottom:4px solid var(--seo-accent);text-align:center}.seo-product-mark img{object-fit:contain;width:100%;height:145px}.seo-product-mark p{font-size:14px;line-height:1.9;margin:25px 0 0}.seo-landing-sections{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;padding:35px 0}.seo-landing-sections section{border-top:1px solid var(--seo-line);padding-top:24px}.seo-landing-sections h2{font-size:1.4rem;line-height:1.7}.seo-number{font-size:.9rem;color:#765820;font-weight:700}.seo-faq{padding:45px 0}.seo-faq details{border-bottom:1px solid var(--seo-line);padding:18px 0}.seo-faq summary{cursor:pointer;font-weight:700;min-height:44px}.seo-faq p{color:var(--seo-muted)}.seo-enhancement{max-width:1160px;width:calc(100% - 48px);margin:56px auto;font-size:16px;line-height:2;color:#183c38}.seo-enhancement h2{font-size:clamp(1.5rem,3vw,2.2rem);line-height:1.6;margin-bottom:20px}.seo-enhancement h3{font-size:1.15rem}.seo-enhancement ul{padding-left:1.5em}.seo-enhancement a{text-decoration:underline;text-underline-offset:4px}.seo-enhancement .seo-links{font-size:14px}.seo-brand-copy{font-size:1.15rem;font-weight:600;margin-bottom:16px}.ygp-hero h1{font-size:clamp(28px,3.4vw,47px)!important;line-height:1.55!important}.lp-hero h1{font-size:clamp(28px,3.2vw,45px)!important;line-height:1.55!important}.hero-seo-intro{font-size:15px!important;line-height:1.9!important;max-width:620px}.seo-related-links{padding:20px 24px;max-width:1240px;margin:auto}.reveal{opacity:1!important;transform:none!important}.seo-skip{position:absolute;left:12px;top:-100px;z-index:1000;background:white;color:#183c38;padding:12px}.seo-skip:focus{top:12px}.lp-header img,.site-header img{content-visibility:visible}.lp-footer .seo-links,.site-footer .seo-links{justify-content:center;color:inherit}.faq-item button{min-height:48px}.policy-links{font-size:14px!important}.seo-consent{position:fixed;z-index:10000;bottom:16px;left:16px;right:16px;max-width:680px;margin:auto;background:#fff;color:#183c38;box-shadow:0 8px 36px #0003;border:1px solid #c9d6d1;border-radius:8px;padding:20px;font:14px/1.7 Arial,Meiryo,sans-serif}.seo-consent p{margin:0 0 14px}.seo-consent div{display:flex;flex-wrap:wrap;gap:12px}.seo-consent button{min-height:44px;padding:10px 18px;border:1px solid #183c38;background:#fff;color:#183c38;border-radius:4px;font:inherit;cursor:pointer}.seo-consent button[data-accept]{background:#183c38;color:#fff}.analytics-preference{font:inherit;border:0;text-decoration:underline;background:transparent;color:inherit;cursor:pointer;padding:10px}
@media(max-width:700px){.seo-header{padding:18px 20px;min-height:76px}.seo-header img{width:110px}.seo-header nav{gap:16px;font-size:14px}.seo-shell{width:calc(100% - 40px)}.seo-card-grid,.seo-landing-hero,.seo-landing-sections{grid-template-columns:1fr;gap:24px}.seo-card{padding:24px}.seo-index-head{padding:20px 0}.seo-landing-hero{padding:15px 0 40px}.seo-landing-hero h1{font-size:2rem}.seo-product-mark{padding:28px 20px}.seo-article{padding:0 20px 50px}.seo-article h2{font-size:1.3rem}.seo-toc,.seo-checklist,.seo-cta{padding:22px}.seo-links{gap:14px;flex-direction:column}.seo-enhancement{width:calc(100% - 40px)}.seo-consent{bottom:8px;left:8px;right:8px}.seo-article p{overflow-wrap:break-word}.lp-header nav{flex-wrap:wrap}.seo-footer{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
.lp-header>a>img,.lp-header img,.ygp-mark,.brand-logo img,.service-logo img{height:auto!important}.ygp-mark{object-fit:contain}.seo-footer .seo-links,.lp-footer .seo-links,footer>.seo-links{color:inherit}

/* Native font stack avoids blocking downloads of Japanese font subsets. */
:root{--sans:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif}