/* Shared About layout; the site header and footer retain their own styles. */
body.about-site{margin:0;background:#fbfaf6}
.about-skip{position:absolute;left:-10000px;top:8px;z-index:9999}
.about-skip:focus{left:12px;background:white;color:#185c43;padding:10px 16px}
.about-page{--about-brand:#185c43;color:#232b27;font:16px/1.9 "Hiragino Sans","Yu Gothic","Meiryo",sans-serif;overflow-wrap:anywhere}
.about-page *{box-sizing:border-box}
.about-page .about-wrap{width:min(100%,1000px);margin:0 auto;padding:0 24px}
.about-page a{color:var(--about-brand);text-underline-offset:.2em}
.about-page a:focus-visible,.about-page summary:focus-visible{outline:3px solid #b8893a;outline-offset:4px}
.about-page .crumb{font-size:13px;color:#5d6a63;padding:18px 0 0;margin:0}
.about-page .crumb a{color:#5d6a63}
.about-page .hero{padding:30px 0 38px;margin:0;background:none;border:0;display:block;min-height:0}
.about-page .eyebrow{font-size:12px;letter-spacing:.15em;color:#806124;font-weight:700;margin:0 0 8px}
.about-page h1{font-size:clamp(26px,4.5vw,40px);line-height:1.4;margin:0 0 16px;color:var(--about-brand);letter-spacing:0}
.about-page .lead{font-size:18px;margin:0 0 12px}
.about-page p{margin:0 0 14px;max-width:48em}
.about-page section{padding:36px 0;margin:0;border-top:1px solid #d6e1d9;display:block;background:none}
.about-page h2{font-size:clamp(22px,3.6vw,28px);line-height:1.5;margin:0 0 16px;color:var(--about-brand)}
.about-page h3{font-size:18px;margin:26px 0 10px;color:var(--about-brand)}
.about-page .toc{display:block;background:#edf3ee;border-radius:12px;padding:18px 22px;margin:0 0 10px}
.about-page .toc strong{display:block;font-size:14px;margin-bottom:8px;color:var(--about-brand)}
.about-page .toc ol{margin:0;padding-left:1.4em;columns:2;column-gap:28px;font-size:15px}
.about-page .toc li{break-inside:avoid;margin:3px 0}
.about-page .cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:20px 0}
.about-page .card{min-width:0;background:#fff;border:1px solid #d6e1d9;border-radius:12px;padding:18px 20px;box-shadow:none;display:block}
.about-page .card h3,.about-page .card h4{margin:0 0 8px;font-size:17px;color:var(--about-brand)}
.about-page .card p{margin:0;font-size:15px}
.about-page #relation{background:linear-gradient(180deg,#edf3ee,transparent 80%);border-radius:18px;padding:30px 24px;margin:14px 0;border-top:0;scroll-margin-top:90px}
.about-page .relation-badge{display:inline-block;background:var(--about-brand);color:#fff;font-size:12px;padding:3px 12px;border-radius:99px;margin-bottom:12px;letter-spacing:.08em}
.about-page .flow{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);gap:8px;margin:24px 0}
.about-page .flow .node{min-width:0;background:#fff;border:2px solid var(--about-brand);border-radius:12px;padding:16px 12px;text-align:center;font-size:14px}
.about-page .flow .node b{display:block;color:var(--about-brand);font-size:17px;margin-bottom:6px}
.about-page .flow .arrow{align-self:center;color:var(--about-brand);font-size:22px}
.about-page .table-scroll{max-width:100%;overflow-x:auto;border-radius:12px;border:1px solid #d6e1d9;margin:18px 0}
.about-page table{width:100%;border-collapse:collapse;background:#fff;font-size:15px;margin:0;border:0}
.about-page th,.about-page td{padding:13px 16px;text-align:left;vertical-align:top;border:0;border-bottom:1px solid #d6e1d9;line-height:1.8}
.about-page thead th{background:var(--about-brand);color:white;font-weight:700}
.about-page tbody th{background:#edf3ee;width:9em;color:var(--about-brand);font-weight:700}
.about-page tr:last-child th,.about-page tr:last-child td{border-bottom:0}
.about-page #relation table{min-width:580px}
.about-page .tags{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:16px 0;list-style:none}
.about-page .tags li{background:#edf3ee;border:1px solid #d6e1d9;padding:5px 14px;border-radius:99px;font-size:14px}
.about-page .about-notice{display:block;width:100%;min-height:0;grid-template-columns:none;position:static;background:#fff8e8;border:1px solid #ecd9a8;border-radius:12px;padding:18px;font-size:15px;max-width:none}
.about-page details{background:white;border:1px solid #d6e1d9;border-radius:10px;padding:0 18px;margin:0 0 12px}
.about-page summary{cursor:pointer;padding:14px 0;font-weight:700;color:var(--about-brand);line-height:1.7}
.about-page details p{margin:0 0 16px;font-size:15px}
.about-page .about-cta{background:none;padding:0;border:0;box-shadow:none;position:static;overflow:visible;color:inherit;display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.about-page .btn{display:inline-block;max-width:100%;padding:10px 22px;border-radius:99px;text-decoration:none;font-weight:700;font-size:15px;text-align:center;white-space:normal;line-height:1.7}
.about-page .btn-primary{background:var(--about-brand);color:white;border:2px solid var(--about-brand)}
.about-page .btn-ghost{background:transparent;border:2px solid var(--about-brand);color:var(--about-brand)}
.about-page section{scroll-margin-top:90px}
@media(max-width:700px){.about-page .flow{grid-template-columns:minmax(0,1fr)}.about-page .flow .arrow{transform:rotate(90deg);justify-self:center}.about-page .cards{grid-template-columns:minmax(0,1fr)}.about-page .toc ol{columns:1}.about-page #relation{padding:24px 16px}}
@media(max-width:420px){.about-page .about-wrap{padding:0 16px}.about-page .toc{padding:16px}.about-page tbody th{width:5.7em}.about-page th,.about-page td{padding:11px 10px}.about-page .about-cta .btn{width:100%}}
@media(prefers-reduced-motion:reduce){.about-page{scroll-behavior:auto}}