:root{--ink:#203d33;--ink-soft:#53645b;--line:#dbe1d7;--accent:#245546;--accent-soft:#edf2e8;--bg-soft:#f4f5ef;--radius:6px;--max-width:1320px;--prose-width:1040px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{color:var(--ink);background:#fdfdf9;margin:0;font-family:system-ui,-apple-system,Hiragino Kaku Gothic ProN,Noto Sans JP,Meiryo,sans-serif;font-size:1.125rem;line-height:1.9}h1,h2,h3{text-wrap:pretty;letter-spacing:-.025em}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,summary:focus-visible{outline-offset:5px;outline:3px solid #b76732}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.skip-link{z-index:30;background:#fff;padding:12px;position:fixed;top:-100px;left:20px}.skip-link:focus{top:10px}.site-header{z-index:10;border-bottom:1px solid var(--line);backdrop-filter:blur(6px);background:#fffffff2;position:sticky;top:0}.site-header__inner{flex-wrap:nowrap;justify-content:space-between;align-items:center;gap:24px;min-height:94px;padding-top:12px;padding-bottom:12px;display:flex}.site-header__brand{color:var(--ink);letter-spacing:-.04em;flex-shrink:0;font-size:26px;font-weight:700;line-height:1.4}.site-header__brand:hover{text-decoration:none}.site-header__company{color:var(--ink-soft);letter-spacing:.04em;white-space:nowrap;margin:4px 0 0;font-size:12px;font-weight:400;display:block}.site-nav{flex-wrap:wrap;align-items:center;gap:18px;font-size:15px;display:flex}.site-nav a{color:var(--ink);white-space:nowrap;padding:10px 0}.site-nav a[aria-current=page]{color:var(--accent);box-shadow:inset 0 -2px var(--accent)}.site-nav a:last-child{border-radius:var(--radius);background:var(--accent);color:#fff;padding:10px 18px}.eyebrow{color:var(--accent);letter-spacing:.08em;margin:0 0 18px;font-size:.85rem;font-weight:600}.button{border-radius:var(--radius);background:var(--accent);color:#fff;min-height:52px;font:inherit;cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:24px;padding:12px 24px;font-weight:600;transition:background .18s;display:inline-flex}.button:hover{background:#183f32;text-decoration:none}.button--ghost{border-color:var(--accent);color:var(--accent);background:0 0}.button--ghost:hover{background:var(--accent-soft)}.text-link{align-items:center;gap:22px;padding:10px 0;font-weight:600;display:inline-flex}.section{padding:96px 0}.section--soft{background:var(--bg-soft)}.section__title{margin:0 0 20px;font-size:clamp(1.7rem,2.7vw,2.4rem);line-height:1.6}.section__lead{max-width:44em;color:var(--ink-soft);margin:0 0 32px;font-size:18px}.section-heading{justify-content:space-between;align-items:end;gap:32px;margin-bottom:48px;display:flex}.section-heading>p{color:var(--ink-soft)}.section-more{margin-top:30px}.hero{background:#f3f3e9;padding:72px 0 64px}.hero__title{margin:0 0 20px;font-size:40px;line-height:1.5}.hero__lead{max-width:46em;color:var(--ink-soft);margin:0 0 28px;font-size:20px}.hero__actions{flex-wrap:wrap;gap:12px;margin-bottom:24px;display:flex}.grid{gap:16px;display:grid}.grid--2{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(3,1fr)}.card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:24px}.card__title{margin:0 0 8px;font-size:20px}.card__body{color:var(--ink-soft);margin:0;font-size:17px}.list{color:var(--ink-soft);margin:0;padding-left:1.2em;font-size:17px}.list li{margin-bottom:6px}.steps{counter-reset:step;margin:0;padding:0;list-style:none}.steps li{color:var(--ink-soft);margin-bottom:16px;padding-left:48px;font-size:17px;position:relative}.steps li:before{counter-increment:step;content:counter(step);background:var(--accent);color:#fff;text-align:center;border-radius:50%;width:28px;height:28px;font-size:14px;font-weight:700;line-height:28px;position:absolute;top:2px;left:0}.steps strong{color:var(--ink);font-size:19px;display:block}.cta{color:#fff;text-align:center;background:#234b3e;padding:88px 0}.cta__title{margin:0 0 24px;font-size:clamp(1.7rem,3vw,2.6rem);line-height:1.65}.cta__lead{opacity:.9;margin:0 0 30px;font-size:18px}.cta .eyebrow{color:#c6d9b7}.cta .button{color:var(--accent);background:#fff}.cta .button:hover{background:#edf2e8}.cta a:focus-visible,.cta button:focus-visible{outline-color:#c6d9b7}.cta__secondary{color:#fff;text-underline-offset:5px;margin-top:24px;font-size:1rem;text-decoration:underline;display:block}.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);padding:54px 0 32px;font-size:15px}.site-footer__inner{grid-template-columns:1fr auto;align-items:start;gap:16px 24px;display:grid}.site-footer__brand{font-size:19px;font-weight:700}.site-footer__note{color:var(--ink-soft);margin:8px 0 0}.site-footer__nav{border-top:1px solid var(--line);flex-wrap:wrap;order:3;grid-column:1/-1;gap:10px 28px;padding-top:20px;display:flex}.site-footer__nav a{color:var(--ink)}.site-footer__legal{color:var(--ink-soft);text-align:right;order:2}.form{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin:24px 0 0;padding:36px}.form__field{margin-bottom:24px}.form__label{margin-bottom:6px;font-size:17px;font-weight:600;display:block}.form__badge{background:var(--accent-soft);color:var(--accent);vertical-align:2px;border-radius:999px;margin-left:8px;padding:2px 8px;font-size:13px;font-weight:600}.form__badge--optional{background:var(--bg-soft);color:var(--ink-soft)}.form__hint{color:var(--ink-soft);margin:0 0 8px;font-size:15px}.form__input,.form__textarea,.form__select{border-radius:var(--radius);width:100%;color:var(--ink);background:#fff;border:1px solid #aab7ab;padding:12px 14px;font-family:inherit;font-size:18px;line-height:1.7;display:block}.form__input:focus,.form__textarea:focus,.form__select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}.form__textarea{resize:vertical;min-height:140px}.form__file{border:1px dashed var(--line);border-radius:var(--radius);background:#fff;width:100%;padding:14px;font-family:inherit;font-size:17px;display:block}.form__file:focus{outline:2px solid var(--accent);outline-offset:1px}.form__trap{width:1px;height:1px;position:absolute;left:-9999px;overflow:hidden}.form__submit{margin-top:8px}.form__note{color:var(--ink-soft);margin:16px 0 0;font-size:16px;line-height:1.9}.form-details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:24px 0;padding:18px 0}.form-details summary{color:var(--accent);cursor:pointer;font-weight:600}.form-details[open] summary{margin-bottom:24px}.notice{border-radius:var(--radius);border:1px solid;margin:20px 0;padding:18px 22px}.notice:focus{outline:none}.notice p{margin:0 0 6px}.notice__title{color:var(--ink);font-weight:700}.notice--success{background:#f0fdf4;border-color:#86efac}.notice--warning{background:#fffbeb;border-color:#fcd34d}.notice--error{color:#991b1b;white-space:pre-line;background:#fef2f2;border-color:#fca5a5;font-weight:600}.prose{max-width:var(--prose-width)}.prose h1{margin:0 0 24px;font-size:clamp(2rem,4vw,3rem);line-height:1.5}.prose h2{margin:44px 0 12px;font-size:27px}.prose h3{margin:32px 0 8px;font-size:21px}.prose p,.prose li{color:var(--ink-soft);font-size:18px}.prose>p,.prose>ul{max-width:46em}@media (width<=1100px){html{scroll-padding-top:136px}.site-header__inner{flex-direction:column;align-items:flex-start;gap:4px}.site-header__company{display:none}.site-nav{justify-content:space-between;gap:8px;width:100%}}@media (width<=1080px){.grid--3{grid-template-columns:repeat(2,1fr)}}@media (width<=880px){.container{padding-left:20px;padding-right:20px}.grid--2,.grid--3,.site-footer__inner{grid-template-columns:1fr}.site-footer__legal{text-align:left}.site-footer__nav{gap:10px 20px}.hero__title{font-size:30px}}@media (width<=760px){html{scroll-padding-top:150px}.section{padding:60px 0}.section-heading{margin-bottom:30px;display:block}.site-header__brand{font-size:22px}.site-nav{justify-content:flex-start;gap:0 16px;font-size:13px}.site-nav a{padding:6px 0}.site-nav a:last-child{padding:6px 12px}.form{padding:24px 18px}.cta{padding:60px 0}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}