:root{--color-primary:#0a2540;--color-primary-light:#1e3a8a;--color-accent:#2563eb;--color-accent-light:#3b82f6;--color-bg:#fff;--color-bg-page:#f1f5f9;--color-bg-subtle:#f8fafc;--color-bg-muted:#f1f5f9;--color-border:#e2e8f0;--color-text:#0f172a;--color-text-muted:#475569;--color-text-light:#94a3b8;--color-error:#dc2626;--color-error-bg:#fee2e2;--color-error-border:#fecaca;--color-warning:#92400e;--color-warning-bg:#fef3c7;--color-warning-border:#fde68a;--color-success:#15803d;--color-success-bg:#dcfce7;--color-success-border:#bbf7d0;--shadow-sm:0 1px 2px #0f172a0d;--shadow-md:0 4px 12px #0f172a14;--shadow-lg:0 16px 40px #0f172a1f;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--transition:.2s cubic-bezier(.4, 0, .2, 1);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--color-text);background:var(--color-bg);font-family:Noto Sans JP,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,system-ui,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--color-primary:#93c5fd;--color-primary-light:#bfdbfe;--color-accent:#4493f8;--color-accent-light:#6cb6ff;--color-bg:#161b22;--color-bg-page:#0d1117;--color-bg-subtle:#1c2128;--color-bg-muted:#21262d;--color-border:#30363d;--color-text:#e6edf3;--color-text-muted:#9198a1;--color-text-light:#6e7681;--color-error:#f85149;--color-error-bg:#3c1618;--color-error-border:#6e2b2b;--color-warning:#d4a72c;--color-warning-bg:#3b2e00;--color-warning-border:#9e6a03;--color-success:#4ade80;--color-success-bg:#12261a;--color-success-border:#1f4b2c}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--color-bg-page);-webkit-font-smoothing:antialiased;margin:0;line-height:1.7}img,svg{max-width:100%;display:block}a{color:var(--color-accent);transition:color var(--transition);text-decoration:none}a:hover{text-decoration:underline}#root{max-width:720px;min-height:100svh;margin:0 auto;padding:24px 16px 64px}#root>div{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:32px 28px}@media (width<=480px){#root{padding:12px 8px 48px}#root>div{border-radius:var(--radius-md);padding:20px 16px}}h1{color:var(--color-primary);letter-spacing:-.01em;margin:0 0 4px;font-size:20px;font-weight:700}h2{color:var(--color-primary);margin:28px 0 12px;font-size:16px;font-weight:700}h3{color:var(--color-primary);margin:20px 0 8px;font-size:14px;font-weight:700}p{color:var(--color-text);margin:0 0 12px}p[aria-live=polite]{background:var(--color-bg-muted);color:var(--color-text-muted);letter-spacing:.02em;border-radius:999px;margin:0 0 12px;padding:4px 12px;font-size:12px;font-weight:600;display:inline-block}small{color:var(--color-text-muted);margin:0 0 20px;font-size:13px;display:block}fieldset{border:none;margin:0 0 24px;padding:0}legend,form>div>label:first-child{color:var(--color-primary);margin-bottom:10px;padding:0;font-size:14px;font-weight:700;display:block}label{color:var(--color-text)}fieldset>label{color:var(--color-primary);margin-bottom:10px;font-size:14px;font-weight:700;display:block}input:not([type=checkbox]):not([type=radio]):not([type=file]),select,textarea{border:1.5px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);width:100%;color:var(--color-text);transition:var(--transition);padding:11px 14px;font-family:inherit;font-size:15px}input:not([type=checkbox]):not([type=radio]):not([type=file]):focus,select:focus,textarea:focus{border-color:var(--color-accent);outline:none;box-shadow:0 0 0 4px #2563eb24}textarea{resize:vertical;min-height:90px}select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23475569' d='M6 8L0 0h12z'/%3E%3C/svg%3E");background-position:right 14px center;background-repeat:no-repeat;padding-right:36px}input[type=file]{border:1.5px dashed var(--color-border);border-radius:var(--radius-md);width:100%;color:var(--color-text-muted);background:var(--color-bg-subtle);padding:10px;font-size:13px;display:block}legend span[aria-hidden=true],label span[aria-hidden=true]{background:var(--color-error-bg);color:var(--color-error);vertical-align:middle;border-radius:4px;margin-left:4px;padding:1px 6px;font-size:10px;font-weight:700}[role=group]{flex-wrap:wrap;gap:8px;display:flex}[role=group] label{border:1.5px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);background:var(--color-bg);cursor:pointer;transition:var(--transition);align-items:center;gap:6px;padding:9px 14px;font-size:14px;font-weight:500;display:inline-flex}[role=group] label:has(input:checked){border-color:var(--color-accent);color:var(--color-accent);background:#2563eb14;font-weight:700}[role=group] input[type=radio],[role=group] input[type=checkbox]{accent-color:var(--color-accent);width:16px;height:16px}input[type=checkbox],input[type=radio]{accent-color:var(--color-accent);vertical-align:middle;width:16px;height:16px}button{cursor:pointer;transition:var(--transition);font-family:inherit}button[type=submit],nav[aria-label=PDFダウンロード] button{background:var(--color-primary);color:#fff;border-radius:var(--radius-md);border:none;align-items:center;gap:6px;padding:12px 24px;font-size:15px;font-weight:700;display:inline-flex}button[type=submit]:hover:not(:disabled),nav[aria-label=PDFダウンロード] button:hover:not(:disabled){background:var(--color-accent);box-shadow:var(--shadow-md);transform:translateY(-1px)}button[type=button]{background:var(--color-bg);color:var(--color-primary);border:1.5px solid var(--color-border);border-radius:var(--radius-md);align-items:center;gap:6px;padding:11px 20px;font-size:14px;font-weight:600;display:inline-flex}button[type=button]:hover:not(:disabled){border-color:var(--color-accent);color:var(--color-accent)}button:disabled{opacity:.5;cursor:not-allowed;transform:none!important}fieldset button[type=button]{padding:7px 14px;font-size:13px}nav[aria-label=ステップ操作],nav[aria-label=PDFダウンロード]{border-top:1px solid var(--color-border);flex-wrap:wrap;gap:12px;margin-top:28px;padding-top:20px;display:flex}nav[aria-label=ステップ操作]{justify-content:space-between}nav[aria-label=PDFダウンロード]{border-top:none;flex-direction:column;margin-top:20px;padding-top:0}nav[aria-label=PDFダウンロード] button{justify-content:center;width:100%}[role=alert]{border-radius:var(--radius-md);background:var(--color-error-bg);border:1px solid var(--color-error-border);color:var(--color-error);margin-bottom:16px;padding:14px 18px;font-size:14px;font-weight:600;line-height:1.7}[role=alert] h2{color:var(--color-error);margin-top:0}[role=alert] ul,[role=status] ul{margin:8px 0 0;padding-left:20px}[role=alert] a{color:var(--color-error);text-decoration:underline}p[role=alert]{background:0 0;border:none;margin:-6px 0 12px;padding:6px 0 0;font-size:13px}[role=status]{border-radius:var(--radius-md);background:var(--color-warning-bg);border:1px solid var(--color-warning-border);color:var(--color-warning);margin-bottom:16px;padding:14px 18px;font-size:14px;line-height:1.7}[role=status] h2{color:var(--color-warning);margin-top:0}[role=status] p{color:inherit}[role=status] p[role=alert]{color:var(--color-error);font-weight:700}section{border-bottom:1px solid var(--color-border);padding:16px 0}section:last-of-type{border-bottom:none}section p{color:var(--color-text);font-size:14px}ul{margin:0;padding:0;list-style:none}h2+ul li{margin-bottom:12px;font-size:14px}h2+ul li label{cursor:pointer;align-items:flex-start;gap:10px;font-weight:500;display:flex}h2+ul li label input{flex-shrink:0;margin-top:3px}details{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-subtle);margin:0 0 20px;padding:14px 16px}summary{cursor:pointer;color:var(--color-primary);font-size:14px;font-weight:700}details ol{color:var(--color-text-muted);margin:12px 0 0;padding-left:20px;font-size:13px;line-height:2}fieldset>div{border-bottom:1px solid var(--color-border);padding:14px 0}fieldset>div:first-of-type{border-top:1px solid var(--color-border)}