:root{--font:"Inter",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans","Noto Sans SC","Noto Sans JP",sans-serif;--mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Consolas,monospace;--bg:#f6f8fb;--surface:#fff;--surface-2:#f9fafc;--line:#e4e9f0;--line-strong:#d3dbe6;--ink:#0f1b2d;--ink-2:#334459;--muted:#5b6779;--faint:#8a96a8;--faint-text:#5f6c7f;--brand:#2563eb;--brand-ink:#1d4ed8;--brand-soft:#eaf1ff;--brand-ring:#2563eb33;--ok:#15803d;--ok-soft:#ecfdf3;--warn:#b45309;--danger:#b42318;--danger-soft:#fef3f2;--radius-sm:8px;--radius:12px;--radius-lg:18px;--shadow-sm:0 1px 2px #0f1b2d0d;--shadow:0 1px 3px #0f1b2d0f,0 8px 24px #0f1b2d0a;--shadow-lg:0 2px 6px #0f1b2d0f,0 20px 48px #0f1b2d14;--header-h:64px;font-family:var(--font);color:var(--ink);background:var(--bg);font-synthesis:none;-webkit-font-smoothing:antialiased;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-gutter:stable}body{background:var(--bg);flex-direction:column;min-width:320px;min-height:100dvh;margin:0;line-height:1.5;display:flex}body>main{flex:1;width:100%;min-width:0}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}img,svg{max-width:100%}textarea{resize:vertical}h1,h2,h3,p{margin-top:0}.container{width:min(1200px,100% - 40px);margin:0 auto}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.hidden{display:none!important}.muted{color:var(--muted)}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}.skip-link{z-index:100;background:var(--ink);color:#fff;border-radius:var(--radius-sm);padding:10px 14px;position:absolute;top:-60px;left:12px}.skip-link:focus{top:12px}.site-header{z-index:40;-webkit-backdrop-filter:saturate(1.6)blur(12px);border-bottom:1px solid var(--line);background:#ffffffeb;position:sticky;top:0}.header-inner{min-height:var(--header-h);align-items:center;gap:20px;display:flex}.brand{letter-spacing:-.03em;flex:none;align-items:center;gap:10px;font-size:1.18rem;font-weight:800;display:inline-flex}.brand-mark{color:#fff;background:linear-gradient(135deg,#3b82f6,#1d4ed8);border-radius:10px;place-items:center;width:34px;height:34px;display:grid;box-shadow:0 4px 12px #2563eb40}.brand-mark svg{width:20px;height:20px}.brand small{color:var(--muted);letter-spacing:.06em;margin-top:-1px;font-size:.66rem;font-weight:600;display:block}.main-nav{align-items:center;gap:2px;min-width:0;margin-left:8px;display:flex}.main-nav a{border-radius:var(--radius-sm);color:var(--ink-2);white-space:nowrap;align-items:center;gap:7px;padding:8px 11px;font-size:.88rem;font-weight:550;display:inline-flex}.main-nav a:hover{background:var(--surface-2);color:var(--ink)}.main-nav a[aria-current=page]{color:var(--brand-ink);background:var(--brand-soft)}.main-nav .nav-dot{background:var(--cat,var(--brand));border-radius:50%;width:8px;height:8px}.header-tools{flex:none;align-items:center;gap:8px;margin-left:auto;display:flex}.search-button{border:1px solid var(--line);width:38px;height:38px;color:var(--ink-2);background:#fff;border-radius:999px;justify-content:center;align-items:center;display:inline-flex}.search-button:hover{border-color:var(--line-strong);color:var(--brand)}.language-selector{color:var(--ink-2);flex:none;font-size:.84rem;position:relative}.language-selector summary{cursor:pointer;border:1px solid var(--line);white-space:nowrap;background:#fff;border-radius:999px;align-items:center;gap:6px;padding:8px 11px;list-style:none;display:flex}.language-selector summary::-webkit-details-marker{display:none}.language-selector summary:hover{border-color:var(--line-strong)}.language-selector nav{border:1px solid var(--line);border-radius:var(--radius);min-width:200px;max-width:calc(100vw - 28px);box-shadow:var(--shadow-lg);z-index:45;background:#fff;padding:6px;position:absolute;top:calc(100% + 8px);right:0}.language-selector a{border-radius:var(--radius-sm);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:4px 12px;padding:9px 11px;display:flex}.language-selector a:hover{background:var(--surface-2)}.language-selector a[aria-current=page]{color:var(--brand-ink);background:var(--brand-soft);font-weight:700}.language-selector small{color:var(--muted);font-size:.7rem}.menu-toggle{border:1px solid var(--line);background:#fff;border-radius:999px;justify-content:center;align-items:center;width:38px;height:38px;display:none}.mobile-nav{display:none}.site-footer{color:#aab6c8;background:#0f1b2d;flex:none;margin-top:56px;font-size:.86rem}.footer-grid{grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));gap:40px;padding:48px 0 32px;display:grid}.footer-brand .brand{color:#fff}.footer-brand .brand small{color:#8193ab}.footer-brand p{max-width:380px;margin:14px 0 0;line-height:1.7}.site-footer h2{letter-spacing:.08em;text-transform:uppercase;color:#fff;margin:0 0 14px;font-size:.78rem}.footer-links{gap:9px;margin:0;padding:0;list-style:none;display:grid}.footer-links a:hover,.footer-links a:focus-visible{color:#fff;text-decoration:underline}.footer-bottom{border-top:1px solid #ffffff1a;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 24px;padding:18px 0 26px;font-size:.8rem;display:flex}.footer-bottom nav{flex-wrap:wrap;gap:6px 14px;display:flex}.footer-bottom a:hover{color:#fff}.footer-filing{margin:0}.footer-filing a{color:#aab6c8;white-space:nowrap}.footer-filing a:hover,.footer-filing a:focus-visible{color:#fff;text-decoration:underline}.breadcrumbs{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;margin:20px 0 14px;font-size:.8rem;display:flex}.breadcrumbs a{color:var(--ink-2)}.breadcrumbs a:hover{color:var(--brand)}.breadcrumbs .sep{color:var(--faint)}.eyebrow{letter-spacing:.06em;text-transform:uppercase;color:var(--brand-ink);align-items:center;gap:8px;margin-bottom:12px;font-size:.78rem;font-weight:700;display:inline-flex}.pill{border:1px solid var(--line);color:var(--ink-2);white-space:nowrap;background:#fff;border-radius:999px;align-items:center;gap:6px;padding:5px 11px;font-size:.8rem;font-weight:550;display:inline-flex}.pill svg{color:var(--ok)}.cat-icon{width:40px;height:40px;color:var(--cat);background:var(--cat-soft);border-radius:11px;flex:none;place-items:center;display:grid}.section-title{justify-content:space-between;align-items:end;gap:16px;margin:0 0 18px;display:flex}.section-title h2{letter-spacing:-.025em;margin:0;font-size:1.35rem}.section-title a{color:var(--brand-ink);white-space:nowrap;font-size:.86rem;font-weight:600}.section-title a:hover{text-decoration:underline}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.tool-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;display:grid}.tool-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);min-width:0;box-shadow:var(--shadow-sm);transition:border-color .15s,box-shadow .15s,transform .15s;display:flex;position:relative}.tool-card:hover{border-color:color-mix(in srgb,var(--cat,var(--brand)) 40%,var(--line));box-shadow:var(--shadow);transform:translateY(-2px)}.tool-card>a{flex:1;align-items:flex-start;gap:13px;min-width:0;padding:16px 38px 16px 16px;display:flex}.tool-card .cat-icon{width:42px;height:42px}.tool-card-body{min-width:0}.tool-card h3{letter-spacing:-.01em;overflow-wrap:anywhere;margin:1px 0 5px;font-size:.95rem;line-height:1.35}.tool-card p{color:var(--muted);overflow-wrap:anywhere;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:.8rem;line-height:1.55;display:-webkit-box;overflow:hidden}.fav-button{color:#c0cad8;background:0 0;border:0;border-radius:6px;padding:6px;font-size:1.1rem;line-height:1;position:absolute;top:10px;right:8px}.fav-button:hover{color:#e6a528;background:var(--surface-2)}.fav-button[aria-pressed=true]{color:#e6a528}.empty-state{color:var(--muted);padding:30px 0;display:none}.tool-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;padding:20px}.tool-panel h2{margin-bottom:14px;font-size:1.05rem}.tool-panel h3{font-size:.95rem}.field{color:var(--ink-2);overflow-wrap:anywhere;flex-direction:column;gap:6px;margin-bottom:14px;font-size:.84rem;font-weight:600;display:flex}.field input:not([type=checkbox]):not([type=radio]),.field select,.field textarea,.tool-panel textarea,.tool-panel select,.tool-panel input:not([type=checkbox]):not([type=radio]){border:1px solid var(--line-strong);border-radius:var(--radius-sm);width:100%;color:var(--ink);background:#fff;outline:none;min-height:40px;padding:9px 11px;transition:border-color .12s,box-shadow .12s}.field input:focus,.field textarea:focus,.field select:focus,.tool-panel input:focus,.tool-panel textarea:focus,.tool-panel select:focus{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-ring)}.field textarea,.tool-panel textarea{min-height:150px;font-family:var(--mono);font-size:.86rem;line-height:1.55}.field input[type=file],.tool-panel input[type=file]{background:var(--surface-2);border:1.5px dashed var(--line-strong);cursor:pointer;padding:14px}.field input[type=file]:hover,.tool-panel input[type=file]:hover{border-color:var(--brand);background:var(--brand-soft)}.field input[type=file]::file-selector-button,.tool-panel input[type=file]::file-selector-button{background:var(--brand);color:#fff;cursor:pointer;border:0;border-radius:6px;margin-right:12px;padding:7px 13px;font-weight:650}.field input[type=color],.tool-panel input[type=color]{max-width:90px;padding:4px}.tool-panel input[type=range]{min-height:28px;accent-color:var(--brand);padding:0}input[type=checkbox],input[type=radio]{accent-color:var(--brand)}.actions{flex-wrap:wrap;align-items:center;gap:8px;margin:14px 0;display:flex}.btn{border:1px solid var(--brand);border-radius:var(--radius-sm);background:var(--brand);color:#fff;overflow-wrap:anywhere;justify-content:center;align-items:center;gap:7px;min-height:40px;padding:9px 16px;font-size:.88rem;font-weight:650;line-height:1.2;transition:background .12s,box-shadow .12s;display:inline-flex}.btn:hover{background:var(--brand-ink);border-color:var(--brand-ink);color:#fff}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn.secondary{color:var(--brand-ink);border-color:var(--line-strong);background:#fff}.btn.secondary:hover{background:var(--brand-soft);border-color:#bfd2fb}.result{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-2);overflow-wrap:anywhere;margin-top:14px;padding:14px}.result pre{white-space:pre-wrap;word-break:break-word;font-family:var(--mono);margin:0;font-size:.85rem}.status{color:var(--muted);margin:8px 0;font-size:.84rem;line-height:1.55}.status.error{color:var(--danger)}.status.success{color:var(--ok)}.file-order-list{margin:10px 0 0;padding-left:1.3rem}.file-order-list li{overflow-wrap:anywhere;padding:5px 0}.file-order-list li+li{border-top:1px solid var(--line)}.file-order-list li::marker{color:var(--faint)}.file-order-list li span{max-width:calc(100% - 90px);display:inline-block}.file-order-list li div{float:right;gap:4px;display:flex}.file-order-list button{border:1px solid var(--line-strong);color:var(--brand-ink);background:#fff;border-radius:6px;min-width:30px;padding:2px 8px}.file-order-list button:disabled{opacity:.4;cursor:not-allowed}.locale-coverage{color:var(--muted);margin:0 0 16px;font-size:.8rem;line-height:1.7}.locale-coverage a{color:var(--brand);text-decoration:underline}.faq-list{gap:10px;display:grid}.faq-list details{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:0 18px}.faq-list summary{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;padding:16px 0;font-size:.95rem;font-weight:650;list-style:none;display:flex}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";background:var(--surface-2);width:24px;height:24px;color:var(--muted);border-radius:50%;flex:none;place-items:center;font-weight:500;display:grid}.faq-list details[open] summary:after{content:"−"}.faq-list details p{color:var(--ink-2);margin:0 0 16px;font-size:.92rem;line-height:1.75}.info-page{max-width:860px;padding-bottom:40px}.info-header{margin:28px 0 26px}.info-header h1{letter-spacing:-.035em;margin-bottom:12px;font-size:clamp(2rem,4vw,2.8rem);line-height:1.15}.info-header p{color:var(--muted);max-width:720px;font-size:1.05rem;line-height:1.75}.info-content{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:34px}.info-content section+section{border-top:1px solid var(--line);margin-top:26px;padding-top:26px}.info-content h2{letter-spacing:-.02em;margin-bottom:10px;font-size:1.2rem}.info-content p,.info-content li{color:var(--ink-2);line-height:1.85}.info-content p{margin-bottom:0}.info-content p+p{margin-top:12px}.info-content ul{margin:10px 0 0;padding-left:1.2rem}.info-link{color:var(--brand);font-weight:700}.info-link:hover{text-decoration:underline}.ad-slot{flex-direction:column;align-items:center;gap:4px;width:100%;margin:18px auto;display:flex;overflow:hidden}.ad-slot>span{letter-spacing:.08em;text-transform:uppercase;color:var(--faint-text);font-size:.66rem}.ad-slot ins{width:100%;display:block}.ad-slot[data-format=horizontal] ins{min-height:100px}.ad-slot[data-format=rectangle] ins{min-height:280px}.ad-slot[data-format=vertical] ins{min-height:600px}@media (width<=1360px){.main-nav a{gap:6px;padding:8px;font-size:.84rem}}@media (width<=1240px){.main-nav{display:none}.menu-toggle{display:inline-flex}.mobile-nav[data-open]{border-top:1px solid var(--line);background:#fff;display:block}.mobile-nav ul{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;margin:0;padding:10px 0 14px;list-style:none;display:grid}.mobile-nav a{border-radius:var(--radius-sm);align-items:center;gap:9px;padding:10px 8px;font-size:.9rem;font-weight:550;display:flex}.mobile-nav a:hover{background:var(--surface-2)}}@media (width<=920px){.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}@media (width<=640px){:root{--header-h:58px}.container{width:calc(100% - 32px)}.header-inner{gap:10px}.brand{font-size:1.06rem}.brand small{display:none}.brand-mark{width:32px;height:32px}.language-selector summary{padding:7px 10px;font-size:.8rem}.tool-panel{padding:14px}.info-content{padding:22px}.info-content section+section{margin-top:22px;padding-top:22px}.footer-grid{gap:28px;padding-top:36px}.tool-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.tool-card,.btn{transition:none}.tool-card:hover{transform:none}}html[lang=ja]{line-break:strict}