.pack-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:24px;align-items:start}.pack-form,.pack-result{min-width:0;border:1px solid var(--border);border-radius:24px;padding:24px;background:var(--surface)}.pack-form{display:grid;gap:20px}.pack-period{display:grid;grid-template-columns:1fr 1fr;gap:16px}.pack-field label{display:block;font-weight:700;margin-bottom:10px}.pack-field input{width:100%;min-width:0;border:1px solid var(--border);border-radius:12px;background:var(--bg);color:var(--text);padding:12px;font:inherit;appearance:none}.pack-field input:focus-visible,.pack-basis button:focus-visible,.pack-toggle input:focus-visible+.pack-marker{outline:2px solid var(--accent);outline-offset:3px}.pack-field input[aria-invalid=true]{border-color:#d66f5c}.pack-number{display:flex;gap:8px}.pack-number button{width:40px;flex:0 0 40px;border:1px solid var(--border);border-radius:12px;color:var(--text);background:var(--bg);font:inherit;font-size:22px;cursor:pointer}.pack-rows{display:grid;gap:12px;border:0;padding:0;margin:0}.pack-row{display:grid;grid-template-columns:1fr;gap:12px;padding:16px;border:1px solid var(--border);border-radius:18px;background:color-mix(in srgb,var(--bg) 55%,transparent)}.pack-toggle{position:relative;display:flex;align-items:center;gap:10px;font-weight:700;cursor:pointer}.pack-toggle input{position:absolute;width:1px;height:1px;opacity:0}.pack-marker{display:grid;place-items:center;width:24px;height:24px;flex:0 0 24px;border:1px solid var(--border);border-radius:8px;background:var(--bg)}.pack-toggle input:checked+.pack-marker{background:#ffcb82;border-color:#ffcb82;color:#19372c}.pack-toggle input:checked+.pack-marker:before{content:'✓';font-size:16px;font-weight:800}.pack-toggle .art{width:32px;height:32px;flex:0 0 32px}.pack-basis{display:flex;flex-wrap:wrap;gap:8px}.pack-basis button{border:1px solid var(--border);border-radius:10px;padding:9px 12px;background:var(--bg);color:var(--text);font:inherit;font-size:12px;font-weight:700;cursor:pointer}.pack-basis button[aria-pressed=true]{color:#19372c;background:#ffcb82;border-color:#ffcb82}.pack-row--inactive .pack-field,.pack-row--inactive .pack-basis{opacity:.55}.pack-result{position:sticky;top:24px}.pack-result h3{margin:0 0 18px;font-size:20px}.pack-total{display:block;font-size:clamp(26px,3vw,44px);line-height:1.2;color:var(--text);overflow-wrap:anywhere;margin-bottom:6px}.pack-total-label{color:var(--muted);font-size:13px}.pack-breakdown{display:grid;gap:12px;margin:24px 0}.pack-breakdown div{display:flex;justify-content:space-between;gap:14px;border-bottom:1px solid var(--border);padding-bottom:12px;font-size:13px}.pack-breakdown strong{white-space:nowrap;color:var(--text)}.pack-formula{font-weight:700;color:var(--text);overflow-wrap:anywhere}.pack-detail{font-size:14px;line-height:1.6;color:var(--muted)}.pack-error{margin:0;color:var(--text);padding:12px;border:1px solid #d66f5c;border-radius:12px}.pack-help{margin:0;font-size:13px;line-height:1.65;color:var(--muted)}.pack-note{margin-top:20px}html[data-theme=light] .pack-result{background:#ecf2e6}.pack-form [hidden],.pack-result [hidden]{display:none!important}@media(max-width:900px){.pack-layout{grid-template-columns:1fr}.pack-result{position:static}}@media(max-width:500px){.pack-form,.pack-result{padding:18px}.pack-period{grid-template-columns:1fr}.pack-basis button{flex:1}.pack-breakdown div{flex-wrap:wrap}}