:root{--c-bg:#fffaf3;--c-surface:#fff;--c-text:#33302c;--c-muted:#6f6a63;--c-primary:#f28c28;--c-primary-dark:#d9741a;--c-accent:#ffd166;--c-line:#eadfd0;--radius:16px;--radius-sm:10px;--shadow:0 6px 20px #78501414;--maxw:1080px;--font:"Noto Sans JP", system-ui, -apple-system, sans-serif}*,:before,:after{box-sizing:border-box}html{font-family:var(--font);color:var(--c-text);background:var(--c-bg);-webkit-text-size-adjust:100%;line-height:1.8}body{margin:0;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{color:var(--c-primary-dark)}h1,h2,h3{margin:0 0 .6em;font-weight:700;line-height:1.35}h1{font-size:clamp(1.7rem,4.5vw,2.6rem)}h2{font-size:clamp(1.35rem,3.5vw,1.9rem)}h3{font-size:1.15rem}p{margin:0 0 1em}.container{max-width:var(--maxw);margin:0 auto;padding:0 16px}.section{padding:56px 0}.section--alt{background:var(--c-surface)}.btn{background:var(--c-primary);color:#fff;box-shadow:var(--shadow);border-radius:999px;padding:14px 28px;font-weight:700;text-decoration:none;transition:all .15s;display:inline-block}.btn:hover{background:var(--c-primary-dark)}.btn--ghost{color:var(--c-primary-dark);border:2px solid var(--c-primary);background:#fff}.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.grid{gap:20px;display:grid}@media (width>=720px){.grid--2{grid-template-columns:1fr 1fr}.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr)}}.badge{background:var(--c-accent);color:#5a4200;border-radius:999px;padding:4px 12px;font-size:.85rem;font-weight:700;display:inline-block}.table{border-collapse:collapse;width:100%;font-size:.95rem}.table th,.table td{border:1px solid var(--c-line);text-align:left;vertical-align:top;padding:10px 12px}.table th{background:#fff4e6}.table-wrap{overflow-x:auto}.lead{color:var(--c-muted);font-size:1.1rem}.prose h2{border-left:6px solid var(--c-primary);border-radius:3px;margin-top:2em;padding-left:.6em}.prose h3{margin-top:1.6em}.prose ul,.prose ol{padding-left:1.4em}.prose table{border-collapse:collapse;width:100%;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--c-line);padding:8px 10px}.prose th{background:#fff4e6}.hdr[data-astro-cid-nen7h5rs]{border-bottom:1px solid var(--c-line);z-index:20;background:#fff;position:sticky;top:0}.hdr__in[data-astro-cid-nen7h5rs]{justify-content:space-between;align-items:center;height:64px;display:flex}.hdr__logo[data-astro-cid-nen7h5rs]{color:var(--c-text);letter-spacing:.02em;font-size:1.4rem;font-weight:900;text-decoration:none}.hdr__logo[data-astro-cid-nen7h5rs] span[data-astro-cid-nen7h5rs]{color:var(--c-primary)}.hdr__toggle[data-astro-cid-nen7h5rs]{cursor:pointer;background:0 0;border:0;font-size:1.6rem}.hdr__nav[data-astro-cid-nen7h5rs]{border-bottom:1px solid var(--c-line);background:#fff;flex-direction:column;gap:10px;padding:12px 16px 20px;display:none;position:absolute;top:64px;left:0;right:0}.hdr__nav[data-astro-cid-nen7h5rs].is-open{display:flex}.hdr__nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{color:var(--c-text);font-weight:700;text-decoration:none}.hdr__cta[data-astro-cid-nen7h5rs]{color:#fff;text-align:center}@media (width>=900px){.hdr__toggle[data-astro-cid-nen7h5rs]{display:none}.hdr__nav[data-astro-cid-nen7h5rs]{border:0;flex-direction:row;align-items:center;gap:22px;padding:0;display:flex;position:static}}.ftr[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--c-line);color:var(--c-muted);background:#fff;padding:40px 0 24px;font-size:.92rem}.ftr__cols[data-astro-cid-jo6i4kqk]{gap:24px;display:grid}@media (width>=720px){.ftr__cols[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr 1fr}}.ftr__logo[data-astro-cid-jo6i4kqk]{color:var(--c-text);font-size:1.3rem;font-weight:900}.ftr__logo[data-astro-cid-jo6i4kqk] span[data-astro-cid-jo6i4kqk]{color:var(--c-primary)}.ftr__nav[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;gap:8px 18px;display:flex}.ftr__nav[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:var(--c-muted);text-decoration:none}.ftr__copy[data-astro-cid-jo6i4kqk]{text-align:center;margin-top:24px}