:root{--bg:#f7f8fb;--surface:#fff;--text:#14161f;--muted:#5b6275;--line:#e3e6ee;--brand:#3b5bfd;--brand-ink:#2440d8;--brand-soft:#eef1ff;--go:#12b76a;--stop:#e5484d;--warn:#f59e0b;--radius:14px;--shadow:0 1px 2px #14161f0a, 0 8px 24px #14161f0f;--font:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--display:"Space Grotesk", "Inter", system-ui, sans-serif;color-scheme:light}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);font:16px/1.65 var(--font);margin:0}a{color:var(--brand-ink)}img{max-width:100%}h1,h2,h3{font-family:var(--display);letter-spacing:-.01em;line-height:1.2}h1{margin:0 0 .5rem;font-size:clamp(1.8rem,4vw,2.6rem)}h2{margin:2.2rem 0 .8rem;font-size:1.45rem}kbd{font:600 .85em var(--font);background:var(--surface);border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:.05em .45em}.container{width:min(1080px,100% - 32px);margin-inline:auto}.narrow{width:min(820px,100% - 32px);margin-inline:auto}.site-header{background:var(--surface);border-bottom:1px solid var(--line);z-index:10;position:sticky;top:0}.site-header .container{align-items:center;gap:16px;height:62px;display:flex}.logo{color:var(--text);font:700 1.15rem var(--display);align-items:center;gap:10px;text-decoration:none;display:flex}.logo-mark{background:var(--brand);color:#fff;border-radius:9px;place-items:center;width:32px;height:32px;font-size:1rem;display:grid}.header-nav{align-items:center;gap:14px;margin-inline-start:auto;display:flex}.header-nav a{color:var(--muted);font-size:.95rem;font-weight:500;text-decoration:none}.header-nav a:hover{color:var(--text)}.lang-select{font:500 .9rem var(--font);border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:8px;padding:6px 8px}@media (width<=560px){.header-nav .hide-sm{display:none}}.crumbs{color:var(--muted);margin:22px 0 12px;font-size:.88rem}.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{text-decoration:underline}.lead{color:var(--muted);max-width:70ch;margin:0 0 1.4rem;font-size:1.08rem}.prose{max-width:72ch}.prose li{margin:.3rem 0}.table-wrap{margin:1rem 0;overflow-x:auto}table{border-collapse:collapse;background:var(--surface);width:100%;box-shadow:var(--shadow);border-radius:10px;overflow:hidden}th,td{text-align:start;border-bottom:1px solid var(--line);padding:10px 14px;font-size:.95rem}th{background:#f1f3f9;font-weight:600}tr:last-child td{border-bottom:0}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin:10px 0;padding:4px 18px}.faq summary{cursor:pointer;padding:12px 0;font-weight:600;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";float:inline-end;color:var(--muted);font-weight:400}.faq details[open] summary:after{content:"–"}.faq details p{color:var(--muted);margin:0 0 14px}.tool-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;display:grid}.tool-card{color:var(--text);gap:14px;padding:18px;text-decoration:none;transition:transform .15s,border-color .15s;display:flex}.tool-card:hover{border-color:#c9d1f5;transform:translateY(-2px)}.tool-icon{background:var(--brand-soft);border-radius:12px;flex:none;place-items:center;width:44px;height:44px;font-size:1.35rem;display:grid}.tool-card strong{font-family:var(--display);display:block}.tool-card span{color:var(--muted);font-size:.9rem}.btn{font:600 .95rem var(--font);border:1px solid var(--line);cursor:pointer;background:var(--surface);color:var(--text);border-radius:10px;align-items:center;gap:8px;padding:10px 16px;text-decoration:none;display:inline-flex}.btn:hover{border-color:#c4cad8}.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-ink);border-color:var(--brand-ink)}.btn-link{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:0;font-size:.85rem;text-decoration:underline}.site-footer{background:var(--surface);border-top:1px solid var(--line);color:var(--muted);margin-top:64px;padding:32px 0;font-size:.92rem}.site-footer nav{flex-wrap:wrap;gap:8px 18px;margin-bottom:12px;display:flex}.site-footer a{color:var(--muted);text-decoration:none}.site-footer a:hover{color:var(--text)}.lang-bar{background:var(--brand-soft);border-bottom:1px solid #d9dffd;font-size:.92rem}.lang-bar .container{flex-wrap:wrap;align-items:center;gap:12px;padding:8px 0;display:flex}.lang-bar[hidden]{display:none}:lang(ja){--font:"Hiragino Sans", "Yu Gothic UI", "Yu Gothic", Meiryo, "Noto Sans JP", system-ui, sans-serif;--display:var(--font)}:lang(ko){--font:"Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;--display:var(--font)}:lang(ar){--font:"Segoe UI", Tahoma, "Geeza Pro", "Noto Sans Arabic", system-ui, sans-serif;--display:var(--font)}:lang(ru){--display:"Inter", system-ui, sans-serif}:lang(ja) h1,:lang(ko) h1,:lang(ar) h1{letter-spacing:0}[dir=rtl] .rt-stats,[dir=rtl] .rt-rounds{direction:rtl}.hero[data-astro-cid-zkhec6xw]{background:linear-gradient(180deg, #fff 0%, var(--bg) 100%);border-bottom:1px solid var(--line);padding:56px 0 44px}.hero[data-astro-cid-zkhec6xw] h1[data-astro-cid-zkhec6xw]{max-width:18ch}.more[data-astro-cid-zkhec6xw]{color:var(--muted);margin-top:24px}.rt[data-astro-cid-t5uzpwqi]{gap:14px;margin:8px 0 28px;display:grid}.rt-stage[data-astro-cid-t5uzpwqi]{color:#fff;cursor:pointer;text-align:center;width:100%;min-height:clamp(260px,42vh,400px);font-family:var(--font);-webkit-user-select:none;user-select:none;touch-action:manipulation;-webkit-tap-highlight-color:transparent;box-shadow:var(--shadow);border:0;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:24px;display:flex}.rt-stage[data-astro-cid-t5uzpwqi]:focus-visible{outline-offset:3px;outline:3px solid #9fb0ff}.rt-icon[data-astro-cid-t5uzpwqi]{font-size:2.4rem;line-height:1}.rt-title[data-astro-cid-t5uzpwqi]{font:700 clamp(2rem, 6vw, 3.4rem) var(--display);letter-spacing:-.02em}.rt-hint[data-astro-cid-t5uzpwqi]{opacity:.92;max-width:44ch;font-size:1.02rem}.state-idle[data-astro-cid-t5uzpwqi],.state-done[data-astro-cid-t5uzpwqi]{background:var(--brand)}.state-wait[data-astro-cid-t5uzpwqi]{background:var(--stop)}.state-go[data-astro-cid-t5uzpwqi]{background:var(--go)}.state-early[data-astro-cid-t5uzpwqi]{background:var(--warn)}.state-round[data-astro-cid-t5uzpwqi]{background:#2c3e9c}.rt-rounds[data-astro-cid-t5uzpwqi]{flex-wrap:wrap;gap:8px;min-height:34px;display:flex}.rt-rounds[data-astro-cid-t5uzpwqi] span{background:var(--surface);border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:4px 12px;font-size:.88rem}.rt-rounds[data-astro-cid-t5uzpwqi] b{color:var(--text)}.rt-result[data-astro-cid-t5uzpwqi]{padding:20px}.rt-stats[data-astro-cid-t5uzpwqi]{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.rt-stats[data-astro-cid-t5uzpwqi] div[data-astro-cid-t5uzpwqi]{background:var(--bg);border-radius:12px;padding:12px}.rt-stats[data-astro-cid-t5uzpwqi] .label[data-astro-cid-t5uzpwqi]{color:var(--muted);font-size:.82rem;display:block}.rt-stats[data-astro-cid-t5uzpwqi] strong[data-astro-cid-t5uzpwqi]{font:700 1.5rem var(--display)}.rt-rating[data-astro-cid-t5uzpwqi]{font:700 1.15rem var(--display);margin:16px 0 2px}.rt-percentile[data-astro-cid-t5uzpwqi]{color:var(--muted);margin:0 0 14px}.rt-actions[data-astro-cid-t5uzpwqi]{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.rt-copied[data-astro-cid-t5uzpwqi]{color:var(--go);font-size:.9rem;font-weight:600}@media (width<=520px){.rt-stats[data-astro-cid-t5uzpwqi]{grid-template-columns:1fr 1fr}.rt-stats[data-astro-cid-t5uzpwqi] div[data-astro-cid-t5uzpwqi]:last-child{grid-column:span 2}}.rt-history[data-astro-cid-t5uzpwqi]{padding:18px 20px}.rt-history[data-astro-cid-t5uzpwqi] h3[data-astro-cid-t5uzpwqi]{margin:0 0 10px;font-size:1.05rem}.rt-chart[data-astro-cid-t5uzpwqi]{align-items:flex-end;gap:6px;height:120px;display:flex}.rt-chart[data-astro-cid-t5uzpwqi]:empty{display:none}.rt-empty[data-astro-cid-t5uzpwqi]{color:var(--muted);margin:0;font-size:.92rem}.rt-bar{background:#c9d3ff;border-radius:6px 6px 2px 2px;flex:1;max-width:46px;min-height:6px;position:relative}.rt-bar.last{background:var(--brand)}.rt-bar i{font:600 .7rem var(--font);color:var(--muted);white-space:nowrap;font-style:normal;position:absolute;top:-18px;left:50%;transform:translate(-50%)}.cps[data-astro-cid-ud2r7zpu]{gap:14px;margin:8px 0 28px;display:grid}.cps-durations[data-astro-cid-ud2r7zpu]{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.cps-dlabel[data-astro-cid-ud2r7zpu]{color:var(--muted);margin-inline-end:4px;font-size:.9rem}.cps-dur[data-astro-cid-ud2r7zpu]{font:600 .92rem var(--font);border:1px solid var(--line);background:var(--surface);color:var(--text);cursor:pointer;border-radius:999px;padding:6px 14px}.cps-dur[data-astro-cid-ud2r7zpu][aria-pressed=true]{background:var(--brand);border-color:var(--brand);color:#fff}.cps-dur[data-astro-cid-ud2r7zpu]:disabled{opacity:.5;cursor:not-allowed}.cps-stats[data-astro-cid-ud2r7zpu],.cps-rstats[data-astro-cid-ud2r7zpu]{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.cps-stats[data-astro-cid-ud2r7zpu] div[data-astro-cid-ud2r7zpu],.cps-rstats[data-astro-cid-ud2r7zpu] div[data-astro-cid-ud2r7zpu]{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 14px}.cps-rstats[data-astro-cid-ud2r7zpu] div[data-astro-cid-ud2r7zpu]{background:var(--bg);border:0}.label[data-astro-cid-ud2r7zpu]{color:var(--muted);font-size:.82rem;display:block}.cps[data-astro-cid-ud2r7zpu] strong[data-astro-cid-ud2r7zpu]{font:700 1.55rem var(--display);font-variant-numeric:tabular-nums}.cps-area[data-astro-cid-ud2r7zpu]{cursor:pointer;color:#fff;width:100%;min-height:clamp(260px,40vh,380px);font-family:var(--font);text-align:center;-webkit-user-select:none;user-select:none;touch-action:manipulation;-webkit-tap-highlight-color:transparent;box-shadow:var(--shadow);border:0;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:24px;display:flex;position:relative;overflow:hidden}.cps-area[data-astro-cid-ud2r7zpu]:focus-visible{outline-offset:3px;outline:3px solid #9fb0ff}.state-idle[data-astro-cid-ud2r7zpu],.state-done[data-astro-cid-ud2r7zpu]{background:var(--brand)}.state-run[data-astro-cid-ud2r7zpu]{background:#2c3e9c}.state-cool[data-astro-cid-ud2r7zpu]{background:#6b7280}.cps-title[data-astro-cid-ud2r7zpu]{font:700 clamp(1.9rem, 6vw, 3.2rem) var(--display);letter-spacing:-.02em;z-index:1;position:relative}.cps-hint[data-astro-cid-ud2r7zpu]{opacity:.92;z-index:1;max-width:44ch;font-size:1.02rem;position:relative}.cps-ripples[data-astro-cid-ud2r7zpu]{pointer-events:none;position:absolute;inset:0}.cps-ripple{background:#ffffff8c;border-radius:50%;width:18px;height:18px;margin:-9px 0 0 -9px;animation:.45s ease-out forwards cps-pop;position:absolute}@keyframes cps-pop{to{opacity:0;transform:scale(5)}}.cps-result[data-astro-cid-ud2r7zpu]{padding:20px}.cps-rating[data-astro-cid-ud2r7zpu]{font:700 1.15rem var(--display);margin:16px 0 14px}.cps-actions[data-astro-cid-ud2r7zpu]{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.cps-copied[data-astro-cid-ud2r7zpu]{color:var(--go);font-size:.9rem;font-weight:600}.cps-history[data-astro-cid-ud2r7zpu]{padding:18px 20px}.cps-history[data-astro-cid-ud2r7zpu] h3[data-astro-cid-ud2r7zpu]{margin:0 0 10px;font-size:1.05rem}.cps-list[data-astro-cid-ud2r7zpu]{gap:6px;margin:0 0 8px;padding:0;list-style:none;display:grid}.cps-list[data-astro-cid-ud2r7zpu]:empty{display:none}.cps-list li{background:var(--bg);border-radius:10px;justify-content:space-between;gap:12px;padding:8px 12px;font-size:.93rem;display:flex}.cps-list li b{font-variant-numeric:tabular-nums}.cps-empty[data-astro-cid-ud2r7zpu]{color:var(--muted);margin:0;font-size:.92rem}@media (width<=520px){.cps[data-astro-cid-ud2r7zpu] strong[data-astro-cid-ud2r7zpu]{font-size:1.25rem}.cps-stats[data-astro-cid-ud2r7zpu] div[data-astro-cid-ud2r7zpu],.cps-rstats[data-astro-cid-ud2r7zpu] div[data-astro-cid-ud2r7zpu]{padding:8px 10px}}