@font-face{font-family:DM Sans;src:url(/unit-converter/fonts/dm-sans-latin.woff2)format("woff2");font-weight:400 700;font-style:normal;font-display:swap}@font-face{font-family:Bricolage Grotesque;src:url(/unit-converter/fonts/bricolage-grotesque-latin.woff2)format("woff2");font-weight:200 800;font-style:normal;font-display:swap}[hidden]{display:none!important}:root{--color-page:#fff;--color-surface:#f1f5f3;--color-surface-alt:#fff;--color-primary:#0e1a17;--color-primary-strong:#24332f;--color-on-primary:#c8f53b;--color-primary-text:#0a6f66;--color-primary-line:#0e8f83;--color-primary-soft:#e6f9b0;--color-bubble-1:#c8f53b;--color-bubble-2:#0e8f83;--color-badge:#c8f53b;--color-on-badge:#0e1a17;--color-success-soft:#c8f53b;--color-ink:#0e1a17;--color-ink-muted:#4d5e59;--color-border:#d6e0dc;--color-success:#15803d;--color-warning:#b45309;--color-danger:#b91c1c;--color-danger-soft:#fef2f2;--color-overlay:#0f172a73;--color-thumb-bg:#fff;--font-display:"Bricolage Grotesque", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-body:"DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--fs-xs:11px;--fs-sm:11.5px;--fs-ui:12px;--fs-body:13px;--fs-lead:14px;--fs-input:12px;--fs-btn:13px;--fs-h3:14px;--fs-h2:16px;--fs-h1:22px;--ctl-h:28px;--btn-h:32px;--mini:26px;--fw-ui:500;--side-w:300px;--top-pad:6px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--radius-sm:8px;--radius-md:14px;--radius-lg:24px;--radius-pill:999px;--shadow-sm:0 1px 2px #0f172a0f,0 1px 3px #0f172a14;--shadow-md:0 14px 30px #0e1a171a;--color-pop:#c8f53b;--color-pop-tile:#d7f3ee;--color-hot:#ff6b35;--glow:0 0 0 3px #c8f53b,0 0 34px #c8f53bbf;--color-answer-ink:#0e1a17;--color-answer-muted:#33443f;--color-answer-chip:#fff;--fs-num:22px;--rail-w:220px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--color-page:#0b1311;--color-surface:#15211e;--color-surface-alt:#0f1a17;--color-primary:#c8f53b;--color-primary-strong:#d8fa6e;--color-on-primary:#0e1a17;--color-primary-text:#5fe0d2;--color-primary-line:#3fd3c3;--color-primary-soft:#22361c;--color-bubble-1:#c8f53b;--color-bubble-2:#3fd3c3;--color-badge:#c8f53b;--color-on-badge:#0e1a17;--color-success-soft:#2a3a0e;--color-ink:#ecf6f1;--color-ink-muted:#9bb0a9;--color-border:#26372f;--color-success:#4ade80;--color-warning:#fbbf24;--color-danger:#f87171;--color-danger-soft:#2a1414;--color-overlay:#0009;--color-thumb-bg:#0b1311;--shadow-md:0 14px 30px #0006;--color-pop:#c8f53b;--color-pop-tile:#14a394;--color-hot:#ff8a5c;--glow:0 0 0 3px #c8f53b,0 0 36px #c8f53b73;--color-answer-ink:#ecf6f1;--color-answer-muted:#c9d8b0;--color-answer-chip:#15211e;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--color-page:#0b1311;--color-surface:#15211e;--color-surface-alt:#0f1a17;--color-primary:#c8f53b;--color-primary-strong:#d8fa6e;--color-on-primary:#0e1a17;--color-primary-text:#5fe0d2;--color-primary-line:#3fd3c3;--color-primary-soft:#22361c;--color-bubble-1:#c8f53b;--color-bubble-2:#3fd3c3;--color-badge:#c8f53b;--color-on-badge:#0e1a17;--color-success-soft:#2a3a0e;--color-ink:#ecf6f1;--color-ink-muted:#9bb0a9;--color-border:#26372f;--color-success:#4ade80;--color-warning:#fbbf24;--color-danger:#f87171;--color-danger-soft:#2a1414;--color-overlay:#0009;--color-thumb-bg:#0b1311;--shadow-md:0 14px 30px #0006;--color-pop:#c8f53b;--color-pop-tile:#14a394;--color-hot:#ff8a5c;--glow:0 0 0 3px #c8f53b,0 0 36px #c8f53b73;--color-answer-ink:#ecf6f1;--color-answer-muted:#c9d8b0;--color-answer-chip:#15211e;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}@media (max-width:1023px){:root{--fs-ui:14px;--fs-body:14px;--fs-lead:15px;--fs-btn:15px;--fs-sm:12px;--fs-h3:15px;--fs-h2:17px;--fs-h1:22px;--btn-h:44px;--ctl-h:36px}}@media (any-pointer:coarse),(max-width:599px){:root{--ctl-h:44px;--mini:44px;--fs-input:16px;--btn-h:48px;--fs-num:20px}}*{box-sizing:border-box}body{background:var(--color-page);color:var(--color-ink);font-family:var(--font-body);font-size:var(--fs-body);padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));margin:0;padding-block:0 64px;line-height:1.5}h1,h2,h3{font-family:var(--font-display);text-wrap:balance;color:var(--color-ink);margin:0}button,input,select{font:inherit;color:inherit}:focus-visible{outline:3px solid var(--color-primary-line);outline-offset:2px;border-radius:6px}.wrap{max-width:1760px;margin-inline:auto}@media (min-width:1024px){body{padding-left:max(32px,env(safe-area-inset-left,0px));padding-right:max(32px,env(safe-area-inset-right,0px))}}.readable{max-width:70ch}.muted{color:var(--color-ink-muted)}header.site{justify-content:space-between;align-items:center;gap:var(--space-3);height:56px;display:flex}.logo{color:var(--color-ink);font-family:var(--font-display);letter-spacing:-.01em;align-items:center;gap:10px;min-height:44px;font-size:1.25rem;font-weight:800;text-decoration:none;display:flex}.logo svg{flex:none;width:28px;height:28px}.hdr-actions{gap:var(--space-2);align-items:center;display:flex}.icon-btn{min-width:var(--ctl-h);height:var(--ctl-h);font-size:var(--fs-ui);font-weight:var(--fw-ui);border-radius:var(--radius-pill);border:1px solid var(--color-border);background:var(--color-surface);cursor:pointer;white-space:nowrap;justify-content:center;align-items:center;gap:6px;padding:0 14px;display:inline-flex}@media (max-width:599px){header.site{gap:var(--space-2)}.icon-btn{padding:0 8px}}.icon-btn:hover{border-color:var(--color-primary-line)}.hero{padding-block:var(--space-4) var(--space-4);gap:var(--space-2);display:grid}.hero h1{font-size:var(--fs-h1);font-weight:800;line-height:1.2}.hero p{font-size:var(--fs-lead);color:var(--color-ink-muted);max-width:62ch;margin:0}.tool{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--space-5)}@media (max-width:599px){.tool{padding:var(--space-4);border-radius:20px}}.btn{min-height:var(--btn-h);border-radius:var(--radius-pill);cursor:pointer;font-weight:600;font-size:var(--fs-btn);border:2px solid #0000;justify-content:center;align-items:center;gap:8px;padding:0 22px;line-height:1.2;text-decoration:none;display:inline-flex}.btn-ghost{color:var(--color-primary-text);font-size:var(--fs-ui);min-height:var(--ctl-h);text-underline-offset:3px;background:0 0;padding:0 10px;font-weight:600;text-decoration:underline}.badge{border-radius:var(--radius-pill);background:var(--color-badge);color:var(--color-on-badge);font-weight:700;font-size:var(--fs-sm);align-items:center;padding:4px 12px;display:inline-flex}.menu-wrap{display:inline-flex;position:relative}.menu{z-index:60;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);min-width:200px;max-width:calc(100vw - 16px);box-shadow:var(--shadow-md);padding:6px;display:grid;position:fixed;top:0;left:0}.menu button{all:unset;box-sizing:border-box;cursor:pointer;border-radius:var(--radius-sm);font-size:var(--fs-ui);min-height:36px;color:var(--color-ink);align-items:center;gap:10px;padding:9px 12px;display:flex}.menu button:hover,.menu button:focus-visible{background:var(--color-primary-soft)}.menu [aria-current=page]{font-weight:700}.menu hr{border:0;border-top:1px solid var(--color-border);margin:4px 0}.chip-btn{min-height:var(--ctl-h);font-size:var(--fs-ui);font-weight:var(--fw-ui);border-radius:var(--radius-pill);border:1px solid var(--color-border);background:var(--color-surface);cursor:pointer;justify-content:center;align-items:center;gap:6px;padding:0 12px;display:inline-flex}.chip-btn:hover{border-color:var(--color-primary-line)}.chip-btn:disabled{opacity:.45;cursor:not-allowed}.mini{width:var(--mini);height:var(--mini);cursor:pointer;color:var(--color-ink-muted);background:0 0;border:0;border-radius:50%;flex:none;place-items:center;padding:0;display:inline-grid}.mini:hover{background:var(--color-primary-soft);color:var(--color-primary-text)}section.below{gap:var(--space-6);padding-block:var(--space-7) var(--space-5);max-width:1100px;display:grid}.below h2{font-size:var(--fs-h2);margin-bottom:var(--space-3);font-weight:800}.steps{gap:var(--space-4);grid-template-columns:repeat(3,minmax(0,1fr));margin:0;padding:0;list-style:none;display:grid}@media (max-width:767px){.steps{grid-template-columns:minmax(0,1fr)}}.steps li{padding:var(--space-4);background:var(--color-surface);border-radius:var(--radius-md);align-content:start;gap:6px;display:grid}.steps .n{width:28px;height:28px;font-size:var(--fs-ui);background:var(--color-badge);color:var(--color-on-badge);font-weight:800;font-family:var(--font-display);border-radius:50%;place-items:center;display:grid}.faq details{background:var(--color-surface);border-radius:var(--radius-md);padding:0 var(--space-4);margin-bottom:var(--space-2)}.faq summary{cursor:pointer;align-items:center;min-height:44px;font-weight:700;display:flex}.faq p{margin:0 0 var(--space-4);color:var(--color-ink-muted);max-width:65ch}.related{gap:var(--space-3);flex-wrap:wrap;display:flex}.related a{padding:var(--space-4);background:var(--color-surface);border-radius:var(--radius-md);min-width:min(240px,100%);color:var(--color-ink);gap:2px;text-decoration:none;transition:transform .15s,box-shadow .18s;display:grid}.related a b{font-family:var(--font-display);font-weight:800}.related a:hover{box-shadow:var(--glow);transform:translateY(-3px)}footer{border-top:1px solid var(--color-border);padding-block:var(--space-5);gap:var(--space-3);font-size:var(--fs-sm);color:var(--color-ink-muted);flex-wrap:wrap;justify-content:space-between;display:flex}.pop{z-index:40;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);width:min(320px,100vw - 32px);box-shadow:var(--shadow-md);padding:var(--space-4);position:absolute;top:calc(100% + 6px);right:0}@media (max-width:599px){header.site{position:relative}.help-wrap{position:static}}.pop h3{font-size:var(--fs-h3);margin-bottom:var(--space-2)}.pop dl{font-size:var(--fs-sm);grid-template-columns:auto 1fr;gap:6px 12px;margin:0;display:grid}.pop dt kbd{font-family:var(--font-body);border:1px solid var(--color-border);background:var(--color-surface-alt);white-space:nowrap;border-radius:6px;padding:1px 6px;font-weight:700}.pop dd{color:var(--color-ink-muted);margin:0}.toast{left:50%;bottom:calc(32px + env(safe-area-inset-bottom,0px));z-index:90;background:var(--color-ink);color:var(--color-page);border-radius:var(--radius-pill);text-align:center;width:max-content;max-width:calc(100vw - 32px);padding:12px 18px;font-weight:600;position:fixed;transform:translate(-50%)}.sr{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.btn{transition:transform .12s,box-shadow .18s,background .15s}.btn:active:not(:disabled){transform:scale(.96)}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.pc{grid-template-columns:var(--rail-w) minmax(0,1fr) var(--side-w);column-gap:var(--space-5);align-items:start;display:grid}@media (max-width:1023px){.pc{row-gap:var(--space-4);grid-template-columns:minmax(0,1fr)}}.rail{gap:2px;display:grid;position:sticky;top:16px}.rail .cap{font-size:var(--fs-xs);color:var(--color-ink-muted);padding:0 12px 6px;font-weight:700}.rail button{all:unset;box-sizing:border-box;cursor:pointer;border-radius:var(--radius-sm);min-height:34px;font-size:var(--fs-ui);color:var(--color-ink);border-left:3px solid #0000;padding:6px 12px;font-weight:500;transition:background .15s,border-color .15s}.rail button:hover{background:var(--color-surface-alt)}.rail button[aria-selected=true]{background:var(--color-primary-soft);border-left-color:var(--color-primary-line);color:var(--color-primary-text);font-weight:700}.rail button:focus-visible{outline:3px solid var(--color-primary-line);outline-offset:1px}@media (max-width:1023px){.rail{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;position:static}.rail .cap{display:none}.rail button{border:1px solid var(--color-border);border-radius:var(--radius-pill);background:var(--color-surface-alt);text-align:center;min-height:var(--ctl-h);place-items:center;padding:4px 10px;display:grid}.rail button[aria-selected=true]{border-color:var(--color-primary-line)}}.pickbtn{display:none}@media (max-width:599px){.rail{display:none}.pickbtn{display:flex}}.pickbtn{border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-surface-alt);cursor:pointer;justify-content:space-between;align-items:center;width:100%;min-height:48px;padding:0 16px;font-size:15px;font-weight:600}.pickbtn b{font-weight:800}.calc{gap:var(--space-4);min-width:0;display:grid}.scroll-x{min-width:0;overflow-x:auto}@keyframes sweep{0%{opacity:1;background-position:150% 0}85%{opacity:1}to{opacity:0;background-position:-100% 0}}.info{font-size:var(--fs-sm);border-left:3px solid var(--color-primary-line);background:var(--color-surface-alt);border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:0;padding:6px 10px}.info .btn-ghost{min-height:0;padding:0 2px}.privacy-line{font-size:var(--fs-ui);gap:var(--space-3);flex-wrap:wrap;justify-content:space-between;align-items:center;display:flex}.side{gap:var(--space-3);min-width:0;display:grid;position:sticky;top:16px}@media (max-width:1023px){.side{grid-template-columns:minmax(0,1fr);position:static}}@media (min-width:800px) and (max-width:1023px){.side{grid-template-columns:repeat(2,minmax(0,1fr))}.side .about{grid-column:1/-1}}.box{gap:var(--space-3);padding:var(--space-4);border-radius:var(--radius-md);background:var(--color-surface-alt);min-width:0;display:grid}.box h3{font-size:var(--fs-h3);font-weight:800}.lbl{font-weight:700;font-size:var(--fs-ui)}.setrow{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}.box select{min-height:var(--ctl-h);border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);font-size:var(--fs-ui);max-width:100%;padding:0 8px}.more{gap:4px;margin:0;padding:0;list-style:none;display:grid}.more button{all:unset;box-sizing:border-box;cursor:pointer;border-radius:var(--radius-sm);width:100%;font-size:var(--fs-ui);background:var(--color-surface);font-variant-numeric:tabular-nums;justify-content:space-between;gap:8px;padding:8px 10px;transition:box-shadow .18s;display:flex}.more button:hover{box-shadow:var(--glow)}.more button:focus-visible{outline:3px solid var(--color-primary-line)}.more button span{overflow-wrap:anywhere;min-width:0}.more button i{color:var(--color-primary-text);font-style:normal;font-weight:800}.about p{font-size:var(--fs-ui);color:var(--color-ink-muted);margin:0}.ansbar{z-index:40;padding:calc(8px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) 8px max(16px,env(safe-area-inset-left,0px));background:var(--color-primary);color:var(--color-on-primary);justify-content:center;align-items:center;gap:10px;font-size:14px;display:none;position:fixed;top:0;left:0;right:0}.ansbar b{font-weight:800;font-family:var(--font-display);font-size:17px}@media (max-width:599px){.ansbar.show{display:flex}}.segb{border-radius:var(--radius-pill);background:var(--color-surface);border:1px solid var(--color-border);flex-wrap:wrap;justify-self:start;gap:4px;padding:3px;display:inline-flex}.segb button{all:unset;box-sizing:border-box;cursor:pointer;min-height:calc(var(--ctl-h) - 2px);border-radius:var(--radius-pill);font-size:var(--fs-ui);color:var(--color-ink-muted);place-items:center;padding:0 12px;font-weight:600;display:inline-grid}.segb button[aria-pressed=true]{background:var(--color-primary);color:var(--color-on-primary)}@media (any-pointer:coarse),(max-width:599px){.segb button{min-height:44px}}.segb button:focus-visible{outline:3px solid var(--color-primary-line);outline-offset:1px}.chip-btn:active{transform:scale(.96)}a{color:var(--color-primary-text)}footer a{color:inherit}.logo img{flex:none;width:28px;height:28px}.menu a{all:unset;box-sizing:border-box;cursor:pointer;border-radius:var(--radius-sm);font-size:var(--fs-ui);min-height:36px;color:var(--color-ink);align-items:center;gap:10px;padding:9px 12px;display:flex}.menu a:hover,.menu a:focus-visible{background:var(--color-primary-soft)}.toast{align-items:center;gap:12px;display:flex}.toast button{all:unset;cursor:pointer;text-underline-offset:3px;border-radius:6px;padding:2px 4px;font-weight:800;text-decoration:underline}.toast button:focus-visible{outline:3px solid var(--color-pop)}.fsrc{font-size:var(--fs-sm);margin:var(--space-3) 0 0}@media (any-pointer:coarse),(max-width:599px){.menu a,.menu button,.menu [role=menuitem]{min-height:44px}}select:not([multiple]):not([size]){height:var(--ctl-h)}@media (any-pointer:coarse),(max-width:599px){.more button{align-items:center;min-height:44px}}.menu{max-height:calc(100vh - 80px);overscroll-behavior:contain;max-height:calc(100dvh - 80px);overflow-y:auto}.toast button{align-items:center;min-height:24px;margin-block:-2px;display:inline-flex}@media (any-pointer:coarse),(max-width:599px){.toast button{min-height:44px;margin-block:-12px}}@keyframes popin{0%{opacity:.4;transform:scale(.85)}to{opacity:1;transform:none}}.pop-in{animation:.22s cubic-bezier(.3,1.6,.5,1) popin}.btn-primary{background:var(--color-primary);color:var(--color-on-primary)}.grow{flex:1}.pickcol{min-width:0;position:relative}.rail .cap:not(:first-child){margin-top:10px}.morebtn{display:none}@media (max-width:1023px){.rail .sci:not([aria-selected=true]){display:none}.morebtn{min-height:var(--ctl-h);border-radius:var(--radius-pill);border:1px dashed var(--color-primary-line);background:var(--color-surface-alt);color:var(--color-primary-text);font-weight:600;font-size:var(--fs-ui);cursor:pointer;place-items:center;margin-top:8px;padding:4px 14px;display:inline-grid}}@media (max-width:599px){.morebtn{display:none}}.morepop{z-index:60;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-top:6px;padding:8px;display:grid;position:absolute;left:0;right:0}.morepop button{all:unset;box-sizing:border-box;cursor:pointer;border-radius:var(--radius-sm);min-height:44px;font-size:var(--fs-ui);text-align:center;background:var(--color-surface-alt);place-items:center;padding:6px 10px;font-weight:600;display:grid}.morepop button:hover{box-shadow:var(--glow)}.morepop button:focus-visible{outline:3px solid var(--color-primary-line)}.sheetwrap{z-index:80;background:#00000059;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet{width:100%;max-height:80vh;background:var(--color-surface);max-height:80dvh;padding:12px 16px calc(16px + env(safe-area-inset-bottom,0px));border-radius:20px 20px 0 0;gap:6px;animation:.2s ease-out up;display:grid;overflow:auto}@keyframes up{0%{opacity:.6;transform:translateY(30px)}to{opacity:1;transform:none}}.sheet .sgrp{font-size:var(--fs-xs);color:var(--color-ink-muted);padding-top:6px;font-weight:700}.sgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;display:grid}.sgrid button{all:unset;box-sizing:border-box;cursor:pointer;border-radius:var(--radius-sm);background:var(--color-surface-alt);align-items:center;min-height:48px;padding:0 12px;font-weight:600;display:flex}.sgrid button[aria-selected=true]{background:var(--color-primary-soft);color:var(--color-primary-text);font-weight:800}.sgrid button:focus-visible{outline:3px solid var(--color-primary-line)}.qwrap{position:relative}.qwrap input{border-radius:var(--radius-pill);border:2px solid var(--color-border);background:var(--color-surface-alt);width:100%;height:44px;font-size:var(--fs-lead);color:var(--color-ink);padding:0 16px 0 40px}@media (any-pointer:coarse),(max-width:599px){.qwrap input{height:48px;font-size:16px}}.qwrap input:focus{border-color:var(--color-primary-line);box-shadow:0 0 0 3px var(--color-primary-soft);outline:none}.qwrap input::placeholder{color:var(--color-ink-muted)}.qicon{width:18px;height:18px;color:var(--color-ink-muted);pointer-events:none;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.qstatus{min-height:1.5em;font-size:var(--fs-sm);color:var(--color-ink-muted);margin:-8px 0 0 16px}.qstatus:empty{min-height:0;margin-top:calc(-1 * var(--space-4))}.qstatus.ok{color:var(--color-primary-text);font-weight:600}.qstatus.err{color:var(--color-danger);font-weight:600}.qstatus 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12px;font-size:24px;font-weight:800}@media (max-width:599px){.vin{font-size:22px}}.vin:hover{border-color:var(--color-primary-line)}.vin:focus{border-color:var(--color-ink);outline:none;box-shadow:0 0 0 3px #0e1a1726}.vin[aria-invalid=true]{border-color:var(--color-danger)}.vin::placeholder{color:var(--color-answer-ink);opacity:.4}.part{flex:1;align-items:center;gap:6px;min-width:0;font-weight:700;display:flex}.part span{font-size:var(--fs-ui);white-space:nowrap}.vin.sm{padding:0 8px;font-size:20px}.usel{border-radius:var(--radius-md);background:var(--color-answer-chip);height:40px;color:var(--color-answer-ink);font-weight:600;font-size:var(--fs-ui);cursor:pointer;border:1px solid #0000;min-width:0;max-width:100%;padding:0 10px}@media (any-pointer:coarse),(max-width:599px){.usel{height:44px;font-size:16px}}.ingrow{align-items:center;gap:8px;min-width:0;font-weight:700;display:flex}.ingrow 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