.nkf{padding-top:26px}.nkf-bc{font-size:.85rem;color:var(--ink-soft);margin-bottom:10px}.nkf-bc a{color:var(--ink-soft);text-decoration:none}.nkf-h1{margin:0 0 6px;font-size:clamp(1.5rem,3vw,2.1rem)}.nkf-sub{margin:0 0 20px;color:var(--ink-soft);max-width:640px;line-height:1.6}.nkf-progress{height:5px;background:var(--line);border-radius:999px;overflow:hidden;margin-bottom:14px}.nkf-progress span{display:block;height:100%;width:0;background:var(--accent-strong);transition:width .25s}.nkf-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}.nkf-nav button{border:1px solid var(--line);background:var(--paper, #fff);cursor:pointer;border-radius:999px;padding:7px 14px;font:inherit;font-size:.85rem;color:var(--ink-soft)}.nkf-nav button.is-active{border-color:var(--accent-strong);color:var(--accent-strong);font-weight:700}.nkf-nav button.is-done{color:#3a6b4a;border-color:#4c8a5f}.nkf-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:26px;align-items:start}@media(max-width:900px){.nkf-grid{grid-template-columns:1fr}}.nkf-form{background:var(--paper, #fff);border:1px solid var(--line);border-radius:16px;padding:24px}.nkf-step__t{margin:0 0 14px;font-weight:800;font-size:1.1rem}.nkf-step__t span{display:inline-grid;place-items:center;width:28px;height:28px;margin-right:8px;border-radius:50%;background:var(--surface);border:1px solid var(--line);color:var(--accent-strong);font-size:.8rem;vertical-align:middle}.nkf-hint,.nkf-note{font-size:.88rem;color:var(--ink-soft);line-height:1.55}.nkf-hint{margin:-6px 0 14px}.nkf-note{margin:12px 0 0}.nkf-f{display:block;margin-bottom:14px}.nkf-f>span{display:block;font-size:.85rem;font-weight:600;margin-bottom:5px}.nkf-f>span b{color:#b4483c}.nkf-f input{width:100%;box-sizing:border-box;padding:11px 13px;font:inherit;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink)}.nkf-f input:focus{outline:2px solid var(--accent);outline-offset:1px}.nkf-f.has-error input{border-color:#b4483c}.nkf-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:520px){.nkf-row{grid-template-columns:1fr}}.nkf-child{border:1px solid var(--line);border-radius:12px;padding:14px 16px 2px;margin-bottom:12px;background:var(--surface)}.nkf-child__h{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-size:.78rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-soft)}.nkf-child__rm{border:0;background:none;padding:0;font:inherit;text-transform:none;letter-spacing:0;color:#b4483c;cursor:pointer;text-decoration:underline}.nkf-add{display:block;width:100%;padding:12px;margin-bottom:8px;border:1px dashed var(--line);border-radius:12px;background:none;font:inherit;font-weight:600;color:var(--ink-soft);cursor:pointer}.nkf-add:hover{border-color:var(--accent-strong);color:var(--accent-strong)}.nkf-stop{margin-top:14px;padding:14px 16px;border-radius:12px;background:#b4483c14;border-left:3px solid #b4483c;font-size:.92rem;line-height:1.6}.nkf-mode{border:0;padding:0;margin:0 0 14px}.nkf-mode legend{font-size:.85rem;font-weight:600;margin-bottom:7px;padding:0}.nkf-mode label{display:inline-flex;align-items:center;gap:7px;margin:0 10px 8px 0;padding:9px 14px;border:1px solid var(--line);border-radius:999px;cursor:pointer;font-size:.92rem}.nkf-mode label:has(input:checked){border-color:var(--accent-strong);color:var(--accent-strong);font-weight:700}.nkf-attach{margin-top:4px;padding:14px 16px;background:var(--surface);border-radius:12px}.nkf-attach__t{margin:0 0 6px;font-weight:700;font-size:.95rem}.nkf-attach__d{margin:0;font-size:.9rem;line-height:1.6;color:var(--ink-soft)}.nkf-review{display:grid;gap:8px;margin-bottom:16px}.nkf-review>div{display:flex;justify-content:space-between;gap:12px;padding:10px 14px;background:var(--surface);border-radius:10px;font-size:.92rem}.nkf-review strong{text-align:right}.nkf-confirm{display:flex;gap:9px;align-items:flex-start;font-size:.9rem;line-height:1.55;margin-bottom:14px}.nkf-pay,.nkf-dl{width:100%;padding:15px 20px;border:0;border-radius:12px;cursor:pointer;background:var(--accent-strong);color:#fff;font:inherit;font-weight:700;font-size:1.02rem}.nkf-pay:disabled{opacity:.45;cursor:not-allowed}.nkf-dl{background:#3a6b4a;margin-top:10px}.nkf-disc{margin:18px 0 0;padding-top:14px;border-top:1px solid var(--line);font-size:.82rem;line-height:1.6;color:var(--ink-soft)}.nkf-full{margin-top:8px;font-size:.82rem;color:var(--ink-soft)}.nkf-full summary{cursor:pointer;font-weight:600;color:var(--ink-soft);padding:6px 0;list-style:none;display:flex;align-items:center;gap:7px}.nkf-full summary::-webkit-details-marker{display:none}.nkf-full summary:before{content:"▸";font-size:.8rem;transition:transform .15s}.nkf-full[open] summary:before{transform:rotate(90deg)}.nkf-full ol{margin:6px 0 0;padding-left:20px;display:grid;gap:7px;line-height:1.55}.nkf-full b{color:var(--ink);font-weight:600}.nkf-why{margin:10px 0 0;font-size:.88rem;line-height:1.55;color:#b4483c}.nkf-msg{margin:10px 0 0;font-size:.9rem;line-height:1.55}.nkf-msg.is-error{color:#b4483c}.nkf-msg.is-ok{color:#3a6b4a;font-weight:600}.nkf-controls{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}.nkf-next-wrap{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.nkf-next-wrap small{font-size:.8rem;color:#b4483c;max-width:260px}.nkf-back,.nkf-next{padding:11px 20px;border-radius:10px;font:inherit;font-weight:700;cursor:pointer}.nkf-back{border:1px solid var(--line);background:none;color:var(--ink-soft)}.nkf-back:disabled{opacity:.4;cursor:not-allowed}.nkf-next{border:0;background:var(--accent-strong);color:#fff}.nkf-next:disabled{opacity:.45;cursor:not-allowed}.nkf-clear{display:block;margin:16px auto 0;border:0;background:none;font:inherit;font-size:.82rem;color:var(--ink-soft);text-decoration:underline;cursor:pointer}.nkf-doc{position:sticky;top:20px}.nkf-doc__bar{display:flex;justify-content:space-between;font-size:.78rem;color:var(--ink-soft);margin-bottom:8px}.nkf-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#4c8a5f;margin-right:5px}.nkf-check{background:var(--paper, #fff);border:1px solid var(--line);border-radius:12px;padding:20px 22px;max-height:78vh;overflow-y:auto}.nkf-ck__note{margin:0 0 14px;font-size:.88rem;color:var(--ink-soft);line-height:1.55}.nkf-cktable{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden}.nkf-ck{display:grid;grid-template-columns:40% 60%;gap:10px;padding:9px 12px;background:var(--paper, #fff);font-size:.88rem}.nkf-ck__l{color:var(--ink-soft)}.nkf-ck__v{font-weight:600;word-break:break-word}.nkf-ck.is-empty .nkf-ck__v{font-weight:400;color:#b4483c;font-style:italic}.nkf-ck__h{margin:20px 0 8px;font-weight:800;font-size:.95rem}.nkf-struct{list-style:none;padding:0;margin:0;display:grid;gap:7px}.nkf-struct li{position:relative;padding-left:24px;font-size:.87rem;line-height:1.5;color:var(--ink-soft)}.nkf-struct li:before{content:"✓";position:absolute;left:0;color:#4c8a5f;font-weight:800}.nkf-struct__lock:before{content:"🔒";font-size:.78rem}.nkf-sheet{position:relative;margin-top:18px;padding:26px 22px;background:#fff;border:1px solid var(--line);border-radius:6px;display:grid;gap:9px;overflow:hidden}.nkf-sheet span{display:block;height:7px;border-radius:3px;background:#16212e1a}.nkf-sheet__seal{position:absolute;inset:0;display:grid;place-content:center;text-align:center;background:#ffffffb8;backdrop-filter:blur(1px);font-size:.86rem;line-height:1.5;color:#5b6675}.nkf-check.is-paid .nkf-sheet{display:none}.nkf-check.is-paid .nkf-struct__lock:before{content:"✓";color:#4c8a5f;font-size:.87rem}.nkf-check.is-paid .nkf-locknote{display:none}.nkf-locknote{margin-top:14px;font-size:.82rem;color:#5b6675;font-style:italic;line-height:1.55}@media(max-width:900px){.nkf-doc{position:static}.nkf-check{max-height:none}}