.sbg-page{margin:0;background:#faf9f4;color:#253e37;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;font-size:17px;line-height:1.95}.sbg-page *{box-sizing:border-box}.sbg-page a{color:#176b55;text-underline-offset:4px}.sbg-page a:focus-visible{outline:3px solid #d99b30;outline-offset:5px}.sbg-header{padding:22px max(24px,calc((100% - 1100px)/2));display:flex;justify-content:space-between;align-items:center;background:#fff;border-bottom:1px solid #d9e4dd;gap:20px}.sbg-brand{font-size:24px;font-weight:800;text-decoration:none}.sbg-header nav{display:flex;gap:24px;align-items:center}.sbg-button{display:inline-block;padding:13px 24px;border-radius:10px;background:#176b55;color:#fff!important;text-decoration:none;font-weight:700;line-height:1.6;min-height:48px}.sbg-main{max-width:1100px;padding:0 28px;margin:auto}.sbg-breadcrumb{font-size:13px;padding:22px 0}.sbg-hero{padding:36px 0 50px;max-width:880px}.sbg-kicker{font-weight:700;color:#916322;font-size:15px;letter-spacing:.08em}.sbg-hero h1{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(29px,4vw,47px);line-height:1.55;letter-spacing:.02em;margin:14px 0 24px}.sbg-lead{font-size:20px;line-height:1.9;max-width:760px}.sbg-summary{background:#e9f3eb;border-left:5px solid #317e64;padding:22px 26px;border-radius:0 14px 14px 0;margin:26px 0}.sbg-toc{background:#fff;border:1px solid #d9e4dd;border-radius:14px;padding:24px 30px}.sbg-toc ul{display:grid;grid-template-columns:1fr 1fr;gap:8px 36px;padding-left:20px}.sbg-section{padding:44px 0;border-bottom:1px solid #d9e4dd;scroll-margin-top:20px}.sbg-section h2{font-size:28px;line-height:1.6;margin:0 0 20px;font-family:"Yu Mincho",serif}.sbg-section h3{font-size:20px;margin:0 0 12px}.sbg-section p{max-width:850px}.sbg-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.sbg-card{background:#fff;padding:25px;border:1px solid #d9e4dd;border-radius:14px}.sbg-card p{margin:0}.sbg-card .sbg-number{display:block;font-size:28px;color:#b17c26;margin-bottom:12px}.sbg-checklist{padding:0;list-style:none;counter-reset:checks}.sbg-checklist li{counter-increment:checks;display:grid;grid-template-columns:34px 1fr;gap:12px;padding:16px 0;border-bottom:1px solid #e0e6e1}.sbg-checklist li::before{content:counter(checks);background:#e7f2e9;color:#19694e;border-radius:50%;height:34px;line-height:34px;text-align:center;font-weight:700}.sbg-checklist strong{display:block}.sbg-note{font-size:15px;color:#53665f}.sbg-faq details{background:#fff;border:1px solid #d9e4dd;border-radius:10px;margin:12px 0;padding:18px 22px}.sbg-faq summary{cursor:pointer;font-weight:700;min-height:30px}.sbg-faq p{margin:12px 0 0}.sbg-cta{background:#e8f1e8;border-radius:18px;padding:32px;margin:32px 0}.sbg-credit{font-size:13px;color:#53665f;margin:32px 0}.sbg-footer{text-align:center;background:#fff;padding:32px 24px}.sbg-skip{position:absolute;left:-10000px}.sbg-skip:focus{left:12px;top:12px;background:#fff;padding:12px;z-index:99999}@media(max-width:700px){.sbg-header{padding:16px 20px;align-items:flex-start;flex-wrap:wrap;gap:10px}.sbg-brand{font-size:22px}.sbg-header nav{font-size:14px;gap:16px}.sbg-header .sbg-button{padding:10px 16px}.sbg-main{padding:0 22px}.sbg-hero{padding:18px 0 32px}.sbg-lead{font-size:18px}.sbg-toc{padding:18px 22px}.sbg-toc ul,.sbg-grid{grid-template-columns:1fr}.sbg-section{padding:32px 0}.sbg-section h2{font-size:25px}.sbg-cta{padding:24px}.sbg-summary{padding:18px}.sbg-card{padding:22px}}