.explain-page{max-width:1000px}.explain-heading{max-width:690px}.explain-heading h1,.explain-card h1{letter-spacing:-.045em;scroll-margin-top:110px}.explain-heading h1:focus,.explain-card h1:focus{outline:none}.explain-tools{max-width:690px}.explain-tools label{margin-bottom:.5rem;font-size:.9rem;font-weight:650;display:block}.explain-search>div{background:var(--white);border:1px solid #77867a;border-radius:8px;align-items:center;gap:.6rem;padding-left:.8rem;display:flex}.explain-search svg{flex-shrink:0}.explain-search input{width:100%;min-width:0;min-height:46px;color:var(--ink);font:inherit;background:0 0;border:none;padding:.65rem .65rem .65rem 0}.explain-search>div:focus-within{outline:3px solid var(--copper);outline-offset:3px}.explain-search input:focus{outline:none}.explain-filter-options{margin-top:.35rem}.explain-filter-options summary{cursor:pointer;width:-moz-fit-content;width:fit-content;min-height:44px;color:var(--green);padding:.7rem 0;font-size:.9rem}.explain-filter{max-width:320px;padding:.25rem 0 .75rem}.explain-filter select{width:100%;min-height:48px;color:var(--ink);font:inherit;background:#fff;border:1px solid #77867a;border-radius:8px;padding:.65rem}.explain-result-line{color:var(--muted);justify-content:space-between;align-items:center;gap:1rem;margin:.7rem 0 1rem;font-size:.9rem;display:flex}.explain-result-line button{min-height:44px}.explain-topics{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:1.6rem 2rem;display:grid}.explain-topic-group h2{color:var(--muted);margin:0 0 .65rem;font-size:.85rem;font-weight:700}.explain-topic-group ul{border:1px solid var(--line);background:var(--white);border-radius:12px;margin:0;padding:0;list-style:none}.explain-topic-group li+li{border-top:1px solid var(--line)}.explain-topic-link{justify-content:space-between;align-items:center;gap:.75rem;min-height:58px;padding:.85rem 1rem;font-weight:600;line-height:1.4;text-decoration:none;display:flex}.explain-topic-link span{overflow-wrap:anywhere;min-width:0}.explain-topic-link svg{color:var(--green);flex-shrink:0}.explain-topic-link:hover{background:var(--green-light)}.explain-all-topics{align-items:center;min-height:44px;display:inline-flex}.explain-card{min-width:0;max-width:800px;scroll-margin-top:100px}.explain-card h1{margin:.5rem 0 1rem;font-size:clamp(1.8rem,4vw,2.7rem);line-height:1.2}.explain-paragraph{max-width:70ch;font-size:1.07rem;line-height:1.7}.explain-card-actions{flex-wrap:wrap;align-items:center;gap:.65rem 1rem;margin-top:1rem;display:flex}.explain-card-actions button{min-height:44px}.explain-copy-hint,.explain-copy-status{color:var(--muted);margin:.55rem 0 0;font-size:.85rem;line-height:1.5}.explain-copy-status{color:var(--green)}.explain-copy-status:empty{margin:0}.explain-diagram{margin:1.65rem 0}.explain-diagram figcaption{margin-bottom:.7rem;font-size:.9rem;font-weight:700}.explain-diagram ol,.explain-diagram dl{gap:1rem;margin:0;padding:0;display:flex}.explain-diagram ol{list-style:none}.explain-diagram li,.explain-diagram dl>div{border:1px solid var(--line);background:var(--white);border-radius:10px;flex:1 1 0;min-width:0;padding:1rem}.explain-diagram li{flex-direction:column;gap:.6rem;display:flex;position:relative}.explain-step-number{background:var(--green);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:1.8rem;height:1.8rem;font-size:.85rem;font-weight:700;display:inline-flex}.explain-step-arrow{z-index:1;background:var(--paper);color:var(--green);position:absolute;top:1.3rem;right:-1.1rem}.explain-diagram strong,.explain-diagram dt{font-size:.95rem;font-weight:700;line-height:1.4;display:block}.explain-diagram p,.explain-diagram dd{margin:.4rem 0 0;font-size:.9rem;line-height:1.55}.explain-next{background:var(--green-light);border:1px solid var(--line);border-radius:12px;margin:1.5rem 0;padding:1.2rem}.explain-next h2,.explain-limit h2{margin:0 0 .5rem;font-size:1.05rem}.explain-next p,.explain-limit p{margin:0;line-height:1.65}.explain-official-action{white-space:normal;text-align:left;max-width:100%;min-height:44px;margin-top:1rem}.explain-official-action svg{flex-shrink:0}.explain-next .explain-external-note{color:var(--muted);margin-top:.5rem;font-size:.8rem}.explain-limit{border-left:3px solid var(--copper);margin:1.5rem 0;padding-left:1rem;font-size:.95rem}.explain-manual{margin:1rem 0}.explain-manual label{margin-bottom:.5rem;font-weight:650;display:block}.explain-manual textarea{box-sizing:border-box;resize:vertical;width:100%;min-height:200px;color:var(--ink);background:var(--paper);font:inherit;border:1px solid #77867a;border-radius:8px;padding:.75rem;font-size:.9rem;line-height:1.5}.explain-sources,.explain-more{border-top:1px solid var(--line);padding-top:.3rem;font-size:.85rem}.explain-sources summary,.explain-more>summary{cursor:pointer;min-height:44px;padding:.65rem 0;font-weight:650}.explain-sources ul{margin-bottom:0;padding-left:1.1rem}.explain-sources li{margin:.5rem 0}.explain-sources a{overflow-wrap:anywhere;align-items:baseline;gap:.3rem;text-decoration:underline;display:inline-flex}.explain-sources a svg{flex-shrink:0}.explain-footer{border-top:1px solid var(--line);max-width:800px;color:var(--muted);margin-top:2rem;padding-top:1rem;font-size:.9rem;line-height:1.7}.explain-footer>div{flex-wrap:wrap;gap:.5rem 1.5rem;display:flex}.explain-footer a{align-items:center;min-height:44px;display:inline-flex}.explain-page button:focus-visible,.explain-page select:focus-visible,.explain-page textarea:focus-visible,.explain-page a:focus-visible,.explain-page summary:focus-visible{outline:3px solid var(--copper);outline-offset:3px}@media (max-width:600px){.explain-topics{grid-template-columns:1fr;gap:1.3rem}.explain-diagram ol,.explain-diagram dl{flex-direction:column}.explain-diagram li{flex-direction:row;align-items:flex-start}.explain-step-number{flex-shrink:0}.explain-step-arrow{inset:auto auto -1.1rem 1.35rem;transform:rotate(90deg)}.explain-next{padding:1rem}.explain-result-line{align-items:flex-start}}@media (prefers-reduced-motion:reduce){.explain-page *,.explain-page :before,.explain-page :after{scroll-behavior:auto;transition:none;animation:none}}@media print{.explain-tools,.explain-result-line,.explain-all-topics,.explain-card-actions,.explain-copy-status,.explain-copy-hint,.explain-manual{display:none}.explain-diagram,.explain-next,.explain-limit{break-inside:avoid}}