@font-face{font-family:DM Sans;src:url(/age-calculator/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(/age-calculator/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;--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;--fs-result:34px;--ctl-h:28px;--btn-h:32px;--mini:26px;--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}@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;--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;--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;--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;--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}}@media (max-width:599px){:root{--fs-result:28px}}*{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 48px;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}.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;justify-content:center;align-items:center;gap:6px;padding:0 14px;display:inline-flex}.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}}.hint{font-size:var(--fs-sm);color:var(--color-ink-muted);margin:0}@media (max-width:599px){.drag-text{display:none}}.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-primary{background:var(--color-primary);color:var(--color-on-primary)}.btn-primary:hover{background:var(--color-primary-strong)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-secondary{border-color:var(--color-primary-line);color:var(--color-primary-text);background:0 0;padding:0 18px}.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}.privacy{gap:var(--space-3);margin-top:var(--space-4);font-size:var(--fs-ui);flex-wrap:wrap;justify-content:space-between;align-items:center;display: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}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}.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(96px + 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;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}.toast{bottom:calc(24px + env(safe-area-inset-bottom,0px))}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)}button,input,select,textarea{font:inherit;color:inherit}.btn{transition:transform .12s,box-shadow .18s,background .15s}.btn:active:not(:disabled){transform:scale(.96)}.btn-primary:hover:not(:disabled){box-shadow:var(--glow)}.popin{animation:.45s cubic-bezier(.34,1.56,.64,1) popin}@keyframes popin{0%{opacity:.4;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.shimmer:after{content:"";border-radius:inherit;pointer-events:none;background:linear-gradient(110deg,#0000 30%,#ffffff80 50%,#0000 70%) 0 0/250% 100%;animation:1.4s ease-out both sweep;position:absolute;inset:0}@keyframes sweep{0%{background-position:150% 0}to{background-position:-60% 0}}.bub{pointer-events:none;border-radius:50%;width:10px;height:10px;animation:1.1s ease-out forwards burst;position:absolute;top:60%;left:50%}@keyframes burst{0%{opacity:1;transform:translate(0)scale(.4)}to{transform:translate(var(--dx),var(--dy)) scale(1);opacity:0}}.fade{animation:.15s ease-out fade}@keyframes fade{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.bub{display:none}}.tool,.panel{gap:var(--space-4);min-width:0;display:grid}.chip{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;white-space:nowrap;justify-content:center;align-items:center;gap:6px;padding:0 14px;display:inline-flex}.chip:hover{border-color:var(--color-primary-line)}.chip[aria-pressed=true]{background:var(--color-primary-soft);border-color:var(--color-primary-line);color:var(--color-primary-text);font-weight:700}.chips,.seg{flex-wrap:wrap;gap:6px;display:flex}.tabs{scrollbar-width:none;gap:6px;margin:-3px;padding:3px;display:flex;overflow-x:auto}.tabs::-webkit-scrollbar{display:none}@media (max-width:599px){.tabs{-webkit-mask-image:linear-gradient(90deg,#000 88%,#0000);mask-image:linear-gradient(90deg,#000 88%,#0000)}}.tab{min-height:var(--ctl-h);border-radius:var(--radius-pill);border:1px solid var(--color-border);background:var(--color-surface-alt);font-size:var(--fs-ui);font-weight:var(--fw-ui);cursor:pointer;flex:none;padding:0 16px}.tab:hover{border-color:var(--color-primary-line)}.tab[aria-selected=true]{background:var(--color-primary);color:var(--color-on-primary);border-color:#0000;font-weight:700}.order{font-size:var(--fs-sm);color:var(--color-ink-muted);flex-wrap:wrap;align-items:center;gap:6px 8px;margin:0;display:flex}.inputs{gap:var(--space-4);background:var(--color-surface-alt);border-radius:var(--radius-md);padding:var(--space-4);grid-template-columns:repeat(auto-fill,minmax(min(240px,100%),1fr));align-items:start;min-width:0;display:grid}.inputs.one{grid-template-columns:minmax(0,1fr)}.f{align-content:start;gap:4px;min-width:0;display:grid}fieldset.f{border:0;margin:0;padding:0}.f>label,.lbl{font-weight:700;font-size:var(--fs-ui);margin:0;padding:0}.dwrap{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);align-items:stretch;min-width:0;display:flex}.dwrap.narrow{max-width:140px}.dwrap:focus-within{outline:3px solid var(--color-primary-line);outline-offset:1px}.dwrap input[type=text]{min-width:0;min-height:var(--ctl-h);font-size:var(--fs-input);border-radius:var(--radius-sm);background:0 0;border:0;flex:1;padding:0 12px}.dwrap input:focus{outline:none}.dwrap.bad{border:2px solid var(--color-danger)}.cal{width:max(var(--ctl-h),36px);border-left:1px solid var(--color-border);color:var(--color-primary-text);cursor:pointer;border-radius:0 var(--radius-sm) var(--radius-sm) 0;flex:none;place-items:center;display:grid;position:relative}.cal:hover{background:var(--color-primary-soft)}.cal svg{pointer-events:none;width:16px;height:16px}.cal input{opacity:0;cursor:pointer;border:0;width:100%;height:100%;margin:0;padding:0;position:absolute;inset:0}.cal:focus-within{outline:3px solid var(--color-primary-line);outline-offset:1px}.field{width:100%;min-width:0;min-height:var(--ctl-h);font-size:var(--fs-input);border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);padding:0 10px}.row2{gap:var(--space-3);grid-template-columns:minmax(0,1fr) minmax(0,1fr);display:grid}.echo{font-size:var(--fs-sm);color:var(--color-ink-muted);min-height:1.5em;margin:0}.err{font-size:var(--fs-sm);color:var(--color-danger);margin:0;font-weight:600}.linkbtn{all:unset;cursor:pointer;color:var(--color-primary-text);font-weight:600;font-size:var(--fs-sm);text-underline-offset:3px;border-radius:4px;min-height:24px;text-decoration:underline}@media (any-pointer:coarse){.linkbtn{align-items:center;min-height:44px;display:inline-flex}}.linkbtn:focus-visible{outline:3px solid var(--color-primary-line);outline-offset:2px}.result{border-radius:var(--radius-lg);background:var(--color-success-soft);padding:var(--space-5);gap:var(--space-2);min-width:0;display:grid;position:relative;overflow:hidden}.result p{margin:0}.result.empty{background:var(--color-surface-alt);border:2px dashed var(--color-primary-line)}.result.warn{background:var(--color-surface-alt);border:0;border-left:6px solid var(--color-warning)}.result .lead{font-weight:600}.rtop{gap:var(--space-3);flex-wrap:wrap;justify-content:space-between;align-items:flex-start;min-width:0;display:flex}.big{font-family:var(--font-display);font-weight:800;font-size:var(--fs-result);letter-spacing:-.01em;font-variant-numeric:tabular-nums;margin:0;line-height:1.1}.big small{font-size:.55em;font-weight:700}.result .sub{margin-top:6px}.result .pre{margin-bottom:4px;font-weight:700}.hb{font-family:var(--font-display);font-weight:800;font-size:var(--fs-h2)}.racts{flex-wrap:wrap;gap:6px;display:flex}.btn-line{border-color:var(--color-ink);color:var(--color-ink);min-height:var(--ctl-h);font-size:var(--fs-ui);background:0 0;padding:0 14px}.result.empty .btn-line,.result.warn .btn-line{border-color:var(--color-primary-line);color:var(--color-primary-text)}.status{font-weight:800;font-family:var(--font-display);font-size:var(--fs-h2);align-items:center;gap:8px;display:inline-flex}.status .dot{background:var(--color-ink);border-radius:50%;flex:none;width:12px;height:12px}.result.warn .status .dot{background:var(--color-warning)}details.how summary{cursor:pointer;font-size:var(--fs-sm);align-items:center;gap:6px;min-height:28px;font-weight:600;list-style:none;display:inline-flex}details.how summary:before{content:"▸";transition:transform .15s}details.how[open] summary:before{transform:rotate(90deg)}details.how summary::-webkit-details-marker{display:none}details.how p{font-size:var(--fs-sm);overflow-wrap:anywhere;margin-top:4px}.cards{gap:var(--space-4);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}@media (max-width:1279px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:767px){.cards{grid-template-columns:minmax(0,1fr)}}.card{background:var(--color-surface-alt);border-radius:var(--radius-md);padding:var(--space-4);gap:var(--space-2);align-content:start;min-width:0;display:grid}.card h3{font-size:var(--fs-h3);font-weight:800}.card p{margin:0}.kv{gap:4px var(--space-3);font-variant-numeric:tabular-nums;grid-template-columns:minmax(0,1fr) auto;margin:0;display:grid}.kv dt{color:var(--color-ink-muted)}.kv dd{text-align:right;margin:0;font-weight:600}.ms{font-variant-numeric:tabular-nums;gap:2px;margin:0;padding:0;list-style:none;display:grid}.ms li{border-radius:var(--radius-sm);grid-template-columns:20px minmax(0,1fr) auto;gap:8px;padding:5px 8px;display:grid}.ms li.done{color:var(--color-ink-muted)}.ms li.next{background:var(--color-primary-soft);color:var(--color-primary-text);font-weight:700}.note{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;max-width:80ch;margin:0;padding:8px 12px}.privacy{font-size:var(--fs-ui);margin:0}.listgrid{gap:var(--space-4);grid-template-columns:minmax(0,2fr) minmax(0,1fr);display:grid}@media (max-width:1023px){.listgrid{grid-template-columns:minmax(0,1fr)}}textarea{resize:vertical;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);width:100%;min-height:180px;font-size:var(--fs-input);padding:10px 12px;line-height:1.5}.acts-line{font-size:var(--fs-sm)}.tablewrap{background:var(--color-surface-alt);border-radius:var(--radius-md);max-width:100%;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:var(--fs-ui);font-variant-numeric:tabular-nums}caption{text-align:left;padding:10px 12px;font-weight:700}th,td{text-align:left;border-top:1px solid var(--color-border);white-space:nowrap;padding:8px 12px}th button{all:unset;cursor:pointer;border-radius:4px;align-items:center;gap:4px;min-height:24px;font-weight:700;display:inline-flex}th button:focus-visible{outline:3px solid var(--color-primary-line);outline-offset:2px}.panel td:nth-child(2),.panel th:nth-child(2){background:var(--color-surface-alt);position:sticky;left:0}.pill{border-radius:var(--radius-pill);font-size:var(--fs-xs);background:var(--color-primary-soft);color:var(--color-primary-text);padding:1px 8px;font-weight:700;display:inline-block}.pill.w{color:var(--color-warning);border:1px solid var(--color-warning);background:0 0}.errs{color:var(--color-danger);font-size:var(--fs-sm);margin:0;padding-left:18px;font-weight:600}.rule{background:var(--color-surface);border-radius:var(--radius-md);padding:var(--space-4);gap:var(--space-3);max-width:80ch;display:grid}.rule p{margin:0}.rule th,.rule td{white-space:normal}