:root{--ink:#102033;--muted:#536579;--line:#dbe7ef;--soft:#f5faf9;--accent:#0f766e;--blue:#2563eb;--warn:#fff7ed}
*,*::before,*::after{box-sizing:border-box}html,body{margin:0;max-width:100%;overflow-x:hidden}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.9}
.site-header{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap;padding:16px 22px;border-bottom:1px solid var(--line);background:#fff}
.brand-block{display:flex;flex-direction:column;gap:2px;color:var(--ink);text-decoration:none;min-width:220px}.brand{font-weight:800;color:var(--ink);text-decoration:none;font-size:1.05rem}.tagline{color:var(--muted);font-size:.82rem;line-height:1.35}.nav{display:flex;gap:10px 12px;flex-wrap:wrap;align-items:center}.nav a{color:#1759c7;text-decoration:none;white-space:nowrap}
.page{width:100%;max-width:1080px;margin:0 auto;padding:30px 22px 58px}.hero{padding:32px 0;border-bottom:1px solid var(--line)}
.eyebrow{font-weight:800;color:var(--accent)}h1{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.32}h2{font-size:1.48rem;margin-top:34px}
.lead{font-size:1.08rem;color:#334155}.notice,.caution{border:1px solid var(--line);background:var(--soft);border-radius:8px;padding:16px 18px;margin:20px 0}
.caution{background:var(--warn);border-color:#fed7aa}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
.card{display:block;border:1px solid var(--line);border-radius:8px;background:#fff;padding:14px;text-decoration:none;color:inherit}.card span{display:block;color:var(--muted);font-size:.94rem}
.table-wrap{overflow-x:auto}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{border:1px solid var(--line);padding:10px;vertical-align:top}.table th{background:#eef8f6}
details{border:1px solid var(--line);border-radius:8px;padding:12px 14px;margin:10px 0}summary{font-weight:700;cursor:pointer}.footer{border-top:1px solid var(--line);padding:24px 22px;color:var(--muted)}
@media(max-width:520px){.brand-block{min-width:0;width:100%}.tagline{font-size:.78rem}.nav{width:100%;overflow-x:visible;padding-bottom:0;gap:6px 10px}.nav a{white-space:normal;max-width:none!important;line-height:1.4}.page{width:calc(100vw - 44px);max-width:calc(100vw - 44px);padding-left:0;padding-right:0}.site-header{align-items:flex-start}.nav{max-width:100%;overflow-x:visible;gap:6px 10px}.hero,section,.notice,.caution,.grid{width:calc(100vw - 82px);max-width:calc(100vw - 82px);overflow-x:hidden}h1{font-size:1.2rem;line-height:1.42;width:calc(100vw - 150px)!important;max-width:calc(100vw - 150px)!important;word-break:break-all;overflow-wrap:anywhere}h2{font-size:1.18rem;line-height:1.42;word-break:break-all}p,li,td,th,a,summary,strong,span{max-width:calc(100vw - 150px)!important;overflow-wrap:anywhere;word-break:break-word}.table-wrap{width:calc(100vw - 82px);max-width:calc(100vw - 82px)}}

@media(max-width:520px){.site-header .nav a{max-width:none!important;white-space:normal!important;overflow-wrap:normal!important;word-break:keep-all!important;font-size:.94rem}.site-header .nav{overflow:visible!important}}

@media(max-width:520px){.site-header .nav{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 12px;width:100%;overflow:visible!important}.site-header .nav a{max-width:none!important;white-space:normal!important;overflow-wrap:anywhere!important;word-break:normal!important;font-size:.92rem;line-height:1.35}}