:root{color-scheme:light;--ground: #fafafa;--surface: #ffffff;--ink: #18181b;--muted: #62626b;--rule: #dedee2;--enamel: #174e96;--soft: #f0f0f2;--enamel-dim: #45454d;--enamel-ink: #f4f6f8;--ok: #167344;--warn: #825809;--bad: #b3261e;--focus: #174e96;--link: #18181b;--on-ok: #8fe3b6;--on-warn: #f0cf7a;--on-bad: #f8b4ac;--on-mute: rgba(244, 246, 248, .8);--font-body: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;--font-display: var(--font-body);--font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--r: 8px;--r-ui: 6px}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--ground: #101011;--surface: #18181b;--ink: #ededed;--muted: #aaaab2;--rule: #37373e;--soft: #222225;--ok: #3fbf84;--warn: #e0b24a;--bad: #f0776c;--focus: #7fb3e6;--link: #ededed}}:root[data-theme=dark]{color-scheme:dark;--ground: #101011;--surface: #18181b;--ink: #ededed;--muted: #aaaab2;--rule: #37373e;--soft: #222225;--ok: #3fbf84;--warn: #e0b24a;--bad: #f0776c;--focus: #7fb3e6;--link: #ededed}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:24px}body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.75;overflow-wrap:anywhere;min-height:100vh}a{color:var(--link);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:2px}.skip{position:absolute;left:-9999px;top:0;background:var(--surface);color:var(--ink);padding:12px 16px;z-index:10}.skip:focus{left:0}.wrap{width:100%;max-width:72rem;margin:0 auto;padding:0 24px}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:88px}.brand{display:inline-flex;align-items:center;min-height:44px;flex-shrink:0;white-space:nowrap;font-family:var(--font-mono);font-weight:500;font-size:1.3rem;letter-spacing:-.04em;color:var(--ink);text-decoration:none}.brand:hover{text-decoration:underline}.nav{display:inline-flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}.nav>a{display:inline-flex;align-items:center;min-height:44px;padding:0 8px;font-size:.9rem;color:var(--muted);text-decoration:none}.nav>a:hover{color:var(--ink);text-decoration:underline}.nav>a[aria-current=page]{color:var(--ink);text-decoration:underline;font-weight:600}main.wrap{max-width:48rem;padding:80px 24px 120px;outline:none;min-height:65vh}main:has(.home-layout){max-width:44rem}@media(max-width:600px){main.wrap{padding-top:48px;padding-bottom:88px}.header-inner{gap:8px}.nav{gap:0}.nav>a{padding-inline:6px}}.site-footer{padding:40px 0 56px;color:var(--muted);font-size:.875rem}.site-footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 32px}.site-footer p{margin:0}.site-footer a{display:inline-flex;align-items:center;min-height:44px;color:inherit}h1,h2,h3{font-family:var(--font-display);font-weight:600;text-wrap:balance}h1{font-size:clamp(2rem,1.6rem + 1.5vw,2.5rem);line-height:1.4;margin:0 0 24px;letter-spacing:-.02em}h2{font-size:1.5rem;line-height:1.5;margin:48px 0 20px}h3{font-size:1.125rem;line-height:1.5;margin:32px 0 16px}p{margin:0 0 16px}.lead{color:var(--muted);font-size:1rem;line-height:1.9;margin:0;max-width:38em}.muted{color:var(--muted)}.small{font-size:.875rem}.mono{font-family:var(--font-mono);font-weight:500;font-size:.95em}.plates{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:10px}.plate{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 16px;align-items:center;padding:24px;background:var(--enamel);color:var(--enamel-ink);border-radius:var(--r)}.plate-host{margin:0;min-width:0;font-family:var(--font-mono);font-weight:500;font-size:1.3125rem;line-height:1.3;letter-spacing:.01em}.plate-status{display:inline-flex;align-items:center;gap:8px;font-size:.875rem;font-weight:500;white-space:nowrap;color:var(--on-mute)}.plate-status:before{content:"";width:9px;height:9px;border-radius:50%;background:currentColor;flex:none}.plate-status.ok{color:var(--on-ok)}.plate-status.warn{color:var(--on-warn)}.plate-status.err{color:var(--on-bad)}.plate-sub{grid-column:1 / -1;margin:0;font-size:.875rem;color:var(--on-mute)}.plate-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}.plate.is-taken{background:var(--enamel-dim)}.plate.is-taken .plate-host{opacity:.85}.plate.is-compact{padding:20px}.plate.is-compact .plate-host{font-size:1.0625rem}.plate :focus-visible{outline-color:var(--enamel-ink)}.searchbox{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 16px}.searchbox>label{flex-basis:100%;font-weight:600}.searchbox .input{flex:1 1 auto;width:0;min-width:0;font-family:var(--font-mono);font-weight:500;font-size:1.125rem;min-height:52px}.searchbox .btn{flex:0 0 auto;white-space:nowrap;min-height:52px}.field{margin:0 0 24px}.field>label{display:block;font-weight:600;font-size:1rem;margin-bottom:8px}.input{display:block;width:100%;min-height:52px;padding:12px 14px;font:inherit;font-size:16px;color:var(--ink);background:var(--surface);border:1px solid var(--muted);border-radius:var(--r-ui);transition:border-color .12s ease-out}.input:focus{border-color:var(--focus);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--focus) 30%,transparent)}.input::placeholder{color:var(--muted);opacity:.8}.input:disabled{color:var(--muted);background:var(--ground)}.input.mono{font-family:var(--font-mono);font-weight:500}.input[aria-invalid=true]{border-color:var(--bad)}.hint{color:var(--muted);font-size:.875rem;margin:8px 0 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:48px;min-width:44px;padding:12px 20px;font:inherit;font-weight:600;line-height:1.2;color:var(--ink);background:transparent;border:1px solid var(--rule);border-radius:var(--r-ui);cursor:pointer;text-decoration:none;transition:background-color .12s ease-out,border-color .12s ease-out}.btn:hover{border-color:var(--muted);text-decoration:none}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{color:var(--ground);background:var(--ink);border-color:var(--ink)}.btn-primary:hover{background:color-mix(in srgb,var(--ink) 85%,var(--ground));border-color:transparent}.btn-quiet{border-color:transparent;background:transparent;color:var(--muted)}.btn-quiet:hover{color:var(--ink);text-decoration:underline}.btn-plate{color:var(--enamel);background:var(--enamel-ink);border-color:var(--enamel-ink)}.btn-plate:hover{background:#fff;border-color:#fff}.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.note{border-left:2px solid var(--muted);padding:8px 0 8px 20px;margin:24px 0}.note-err{border-left-color:var(--bad)}.note-ok{border-left-color:var(--ok)}.note-warn{border-left-color:var(--warn)}.note>:last-child{margin-bottom:0}.note-title{font-weight:700;margin:0 0 4px}.waiting{display:inline-flex;align-items:center;gap:10px;color:var(--muted)}.waiting:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--enamel);animation:pulse 1.4s ease-in-out infinite;flex:none}@keyframes pulse{0%,to{opacity:.25}50%{opacity:1}}@media(prefers-reduced-motion:reduce){.waiting:before{animation:none;opacity:.7}}.choices{display:grid;gap:12px;margin:0 0 32px}.choice{display:grid;grid-template-columns:auto 1fr;gap:2px 12px;align-items:start;padding:16px;min-height:44px;border:1px solid var(--rule);border-radius:var(--r-ui);cursor:pointer;transition:border-color .12s ease-out}.choice:hover{border-color:var(--muted)}.choice input{width:18px;height:18px;margin:5px 0 0;accent-color:var(--enamel);grid-row:1 / span 2}.choice-title{font-weight:600}.choice-desc{color:var(--muted);font-size:.9rem;grid-column:2}.choice:has(input:checked){border-color:var(--ink)}.choice:has(input:focus-visible){outline:2px solid var(--focus);outline-offset:3px}.terms{margin:32px 0}.terms>div{padding:12px 0}.terms dt{font-weight:600;font-size:.9375rem;margin:0 0 4px}.terms dd{margin:0;color:var(--muted);font-size:.9375rem}.kv{display:grid;grid-template-columns:minmax(4.5rem,auto) minmax(0,1fr);gap:8px 24px;margin:0;font-size:.9rem}.kv dt{color:var(--muted)}.kv dd{margin:0;font-family:var(--font-mono);font-weight:500}.records{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}.records>li{padding:12px 0;border-bottom:1px solid var(--rule)}.labels{list-style:none;margin:0;padding:0;display:grid;gap:48px}.labels>li.summary-card{margin-bottom:0;padding-bottom:32px;border-bottom:1px solid var(--rule)}.copy{display:inline-flex;flex-wrap:wrap;align-items:center;gap:6px 10px}.copy-status{margin:0}.obs{font-size:.9rem;margin:24px 0}.obs summary{cursor:pointer;color:var(--muted);min-height:44px;padding-block:8px}.obs ul:not(.records){margin:6px 0 0;padding-left:1.2em}.lang{display:inline-flex;margin-left:4px}.lang-btn{min-height:44px;min-width:44px;padding:0 8px;font:inherit;font-size:.85rem;color:var(--muted);background:transparent;border:0;border-bottom:2px solid transparent;cursor:pointer}.lang-btn:hover{color:var(--ink)}.lang-btn[aria-pressed=true]{color:var(--ink);border-bottom-color:var(--ink);font-weight:600}.turnstile{margin:24px 0}.turnstile:empty{display:none}[hidden]{display:none!important}fieldset{min-width:0;margin:0;padding:0;border:0}textarea.input{resize:vertical}.eyebrow{margin:0 0 24px;color:var(--muted);font-size:.875rem;font-weight:500;letter-spacing:.04em}.page-head{margin-bottom:48px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.section-head h2{margin-bottom:8px}.home-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px}.home-intro{margin-bottom:0}.home-intro h1{font-size:clamp(3rem,5vw,3.5rem);line-height:1.35;white-space:pre-line;letter-spacing:-.025em}.search-panel,.summary-card,.form-card,.contract-summary,.empty-state{margin:0 0 48px;min-width:0}.search-panel{margin-bottom:0}.search-panel>h2,.form-card>h2,.summary-card>h2,.contract-summary>h2{margin-top:0}.search-panel .plate{margin-top:24px}.search-panel .plate-host{font-size:1.2rem}.journey{display:flex;flex-wrap:wrap;gap:16px;list-style:none;margin:0 0 32px;padding:0;font-size:.875rem;color:var(--muted)}.journey li{padding-bottom:8px;border-bottom:1px solid transparent}.journey [aria-current=step]{border-color:var(--ink);color:var(--ink);font-weight:600}.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:32px}.form-actions .form-actions{margin-top:0}.form-actions>.hint{flex-basis:100%}.check-label{display:flex;align-items:flex-start;gap:12px;min-height:48px;padding:12px 0;cursor:pointer}.check-label input{width:20px;height:20px;margin:4px 0 0;flex:none;accent-color:var(--enamel)}.support-link,.back-link{display:inline-flex;align-items:center;min-height:44px;font-size:.9rem}.back-link{margin-bottom:24px}.contract-summary{margin-top:64px;padding-top:32px;border-top:1px solid var(--rule);font-size:.9375rem}.contract-summary h2{font-size:1.125rem}.contract-summary dt{color:var(--muted)}.contract-summary dd{margin:0 0 12px;font-weight:600}.detail-grid{display:grid;gap:64px}.detail-grid>.contract-summary{margin:0}.detail-grid>div>:last-child{margin-bottom:0}.empty-state{padding-block:32px;color:var(--muted)}.empty-state h2{margin-top:0}.uses{margin-top:64px}.uses h2{font-size:1rem;margin:0 0 16px}.setup-links{display:flex;flex-wrap:wrap;gap:8px 24px}.setup-links a{display:inline-flex;align-items:center;min-height:44px}@media(max-width:520px){.home-intro h1{font-size:2.25rem}.searchbox .btn{width:100%}.plate{grid-template-columns:minmax(0,1fr);padding:20px}.plate-host{font-size:1.125rem}.plate-actions .btn,.btn-row .btn-primary,.form-actions .btn-primary{width:100%}.section-head{align-items:stretch}.journey{gap:12px}.brand{font-size:1.05rem}.lang{margin-left:0}.lang-btn{padding-inline:5px;font-size:.8rem}}