:root{--bg:#080b12;--card:#111827;--card2:#172033;--card3:#0b1220;--cyan:#22d3ee;--cyan2:#67e8f9;--purple:#a78bfa;--text:#e5e7eb;--muted:#9ca3af;--line:rgba(255,255,255,.11);--danger:#fb7185;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}
*{box-sizing:border-box}html{background:var(--bg);color-scheme:dark}body{margin:0;background:radial-gradient(circle at 50% -10%,#10223b 0,#080b12 32rem);color:var(--text);font-family:Inter,"Noto Sans JP",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100vh}button,input{font:inherit}button{cursor:pointer}.hidden{display:none!important}.app-shell{max-width:820px;margin:0 auto;min-height:100vh}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:calc(10px + var(--safe-top)) 16px 10px;background:rgba(8,11,18,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.brand-block{display:flex;align-items:center;gap:12px;min-width:0}.brand-logo{width:150px;height:auto;display:block}.brand-copy{border-left:1px solid var(--line);padding-left:11px}.eyebrow,.section-kicker{font-size:10px;font-weight:900;letter-spacing:.18em;color:var(--muted)}.premium-line{font-size:11px;font-weight:900;letter-spacing:.12em;color:var(--cyan2);margin-top:4px}.premium-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);margin-right:5px}.icon-btn{width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:#121b2a;color:#fff;font-size:22px;font-weight:700}.content{display:grid;gap:12px;padding:14px 14px calc(28px + var(--safe-bottom))}.card{border:1px solid var(--line);background:linear-gradient(180deg,rgba(23,32,51,.94),rgba(11,18,32,.96));border-radius:22px;padding:16px;box-shadow:0 12px 40px rgba(0,0,0,.16)}h2{margin:3px 0 12px;font-size:19px;line-height:1.25}.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.pill{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:6px 9px;font-size:9px;letter-spacing:.12em;font-weight:900}.pill.premium{border:1px solid rgba(34,211,238,.3);background:rgba(34,211,238,.08);color:var(--cyan2)}.hero-card{overflow:hidden;position:relative}.hero-card:before{content:"";position:absolute;width:250px;height:250px;border-radius:50%;background:rgba(34,211,238,.08);filter:blur(40px);right:-90px;top:-110px}.result-grid{position:relative;display:grid;grid-template-columns:1fr 170px;gap:12px;align-items:end;margin:4px 0 16px}.speed-line{display:flex;align-items:baseline;gap:8px;color:#fff}.speed-line #initialSpeed{font-size:clamp(46px,11vw,74px);font-weight:950;letter-spacing:-.055em;line-height:1}.speed-line #speedUnitHero{font-size:16px;font-weight:900;color:var(--cyan)}.result-side{display:grid;grid-template-columns:1fr;gap:8px}.button-row{display:flex;gap:8px;flex-wrap:wrap}.btn{border:1px solid transparent;border-radius:15px;min-height:46px;padding:11px 15px;font-weight:800;color:#fff;transition:.15s transform,.15s opacity,.15s background}.btn:active{transform:scale(.985)}.btn:disabled{opacity:.38;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,#0891b2,#22d3ee);color:#041016;box-shadow:0 8px 24px rgba(34,211,238,.16)}.btn-secondary{background:#172033;border-color:var(--line)}.btn-ghost{background:transparent;border-color:var(--line);color:var(--muted)}.btn-danger{background:rgba(251,113,133,.08);border-color:rgba(251,113,133,.25);color:#fecdd3}.full{width:100%}.file-btn{position:relative;flex:1;min-width:140px;text-align:center}.file-btn input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}.privacy-note,.muted{color:var(--muted)}.privacy-note{font-size:11px;line-height:1.55;margin:9px 0 12px}.small{font-size:12px}.tiny{font-size:11px;line-height:1.6}.video-empty{height:210px;border:1px dashed rgba(103,232,249,.22);border-radius:18px;background:#060a11;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--muted);font-size:13px}.video-empty-icon{width:52px;height:52px;border-radius:50%;border:1px solid rgba(34,211,238,.22);background:rgba(34,211,238,.06);display:grid;place-items:center;color:var(--cyan);padding-left:3px}.video-wrap video{width:100%;max-height:490px;display:block;border-radius:18px;background:#000;object-fit:contain}.video-toolbar{display:flex;gap:8px;margin-top:10px}.video-toolbar .btn{flex:1;padding-inline:10px}.video-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:8px}.video-stats span,.metric{background:rgba(0,0,0,.2);border:1px solid var(--line);border-radius:14px;padding:10px}.video-stats small,.metric span{display:block;color:var(--muted);font-size:10px;font-weight:800}.video-stats strong,.metric strong{display:block;margin-top:4px;color:#fff;font-size:13px}.metric.compact{padding:9px 11px}.metric.compact strong{font-size:15px}.validation{margin-top:8px;border-left:3px solid var(--danger);background:rgba(251,113,133,.08);color:#fecdd3;padding:9px 10px;border-radius:8px;font-size:12px}.frame-readouts{display:grid;grid-template-columns:1fr 1fr;gap:8px}.frame-readout{border:1px solid var(--line);border-radius:16px;background:#0c1422;color:var(--text);padding:11px;text-align:left;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:9px}.frame-readout>span{grid-row:1/3;align-self:center;width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.05);font-weight:950}.frame-readout strong{font-size:18px}.frame-readout small{color:var(--muted);font-size:10px}.frame-readout.active{border-color:rgba(34,211,238,.6);box-shadow:inset 0 0 0 1px rgba(34,211,238,.14)}.frame-readout.active>span{background:var(--cyan);color:#041016}.timeline-wrap{position:relative;height:54px;margin:12px 5px 3px}.timeline-track{position:absolute;left:0;right:0;top:25px;height:5px;border-radius:99px;background:#2a3446;overflow:hidden}.timeline-fill{height:100%;background:linear-gradient(90deg,var(--cyan),#34d399);position:absolute;left:0;width:100%}.timeline{position:absolute;left:0;top:13px;width:100%;height:28px;margin:0;background:transparent;pointer-events:none;appearance:none;-webkit-appearance:none;z-index:2}.timeline::-webkit-slider-runnable-track{height:5px;background:transparent}.timeline::-moz-range-track{height:5px;background:transparent}.timeline::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:25px;height:25px;border-radius:50%;border:4px solid #071019;background:var(--cyan);box-shadow:0 0 0 1px rgba(255,255,255,.2);pointer-events:auto;margin-top:-10px}.timeline::-moz-range-thumb{width:18px;height:18px;border-radius:50%;border:4px solid #071019;background:var(--cyan);pointer-events:auto}.range-end::-webkit-slider-thumb{background:#34d399}.range-end::-moz-range-thumb{background:#34d399}.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.step-btn,.preset{min-height:42px;border-radius:13px;border:1px solid var(--line);background:#121b2a;color:#fff;font-weight:850}.step-btn:disabled{opacity:.35}.preset-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.preset.selected{border-color:var(--cyan);background:rgba(34,211,238,.1);color:var(--cyan2)}.field-label{display:block;font-size:11px;font-weight:800;color:var(--muted);margin:12px 0 6px}.text-input{width:100%;height:48px;border-radius:14px;border:1px solid var(--line);background:#080e18;color:#fff;padding:0 13px;outline:none}.text-input:focus{border-color:rgba(34,211,238,.55);box-shadow:0 0 0 3px rgba(34,211,238,.08)}.detail-list{display:grid;gap:7px}.detail-list>div{display:flex;align-items:center;justify-content:space-between;gap:12px;background:rgba(0,0,0,.18);border:1px solid var(--line);padding:11px 12px;border-radius:14px;font-size:12px}.detail-list span{color:var(--muted)}.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}.fps-details{margin-top:10px;border:1px solid var(--line);border-radius:14px;padding:10px 12px;background:rgba(0,0,0,.13)}.fps-details summary{cursor:pointer;font-weight:800;font-size:12px}.info-box{margin-top:10px;border:1px solid rgba(34,211,238,.2);background:rgba(34,211,238,.05);color:var(--muted);border-radius:14px;padding:11px;font-size:11px;line-height:1.55}.status-card{display:flex;align-items:flex-start;gap:11px}.status-dot{width:9px;height:9px;border-radius:50%;background:#34d399;box-shadow:0 0 14px #34d399;margin-top:12px}.backdrop,.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.64);backdrop-filter:blur(5px);z-index:60}.drawer{position:fixed;top:0;right:0;bottom:0;width:min(390px,92vw);padding:calc(15px + var(--safe-top)) 15px calc(16px + var(--safe-bottom));background:#0b1220;border-left:1px solid var(--line);z-index:70;transform:translateX(105%);transition:transform .22s ease;overflow:auto}.drawer.open{transform:translateX(0)}.drawer-head,.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.plan-card{display:grid;gap:5px;border:1px solid rgba(34,211,238,.22);background:rgba(34,211,238,.05);border-radius:16px;padding:13px;margin:12px 0}.plan-card span{color:var(--cyan);font-weight:950;font-size:11px;letter-spacing:.16em}.plan-card strong{font-size:12px}.menu-item{width:100%;height:50px;border:1px solid var(--line);border-radius:14px;background:#111827;color:#fff;display:grid;grid-template-columns:32px 1fr auto;align-items:center;text-align:left;padding:0 12px;margin:7px 0;font-weight:800}.menu-item>b{min-width:24px;height:24px;border-radius:99px;background:rgba(34,211,238,.1);color:var(--cyan2);display:grid;place-items:center;font-size:10px}.drawer-section{border-top:1px solid var(--line);margin-top:13px;padding-top:2px}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:#080e18;border:1px solid var(--line);padding:5px;border-radius:14px}.segmented.three{grid-template-columns:repeat(3,1fr)}.segmented button{border:0;border-radius:10px;background:transparent;color:var(--muted);min-height:38px;font-size:11px;font-weight:800}.segmented button.active{background:#172033;color:#fff;box-shadow:0 2px 8px rgba(0,0,0,.25)}.modal-backdrop{display:grid;place-items:center;padding:12px}.modal{width:min(620px,100%);max-height:calc(100vh - 24px);overflow:auto;border:1px solid var(--line);background:#0b1220;border-radius:22px;padding:16px;box-shadow:0 30px 90px rgba(0,0,0,.45)}.panel-large{width:min(760px,100%)}.history-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding-top:10px}.history-list{display:grid;gap:9px;margin-top:10px}.history-empty{padding:30px 10px;text-align:center;color:var(--muted);font-size:13px}.history-item{border:1px solid var(--line);background:#111827;border-radius:17px;padding:12px}.history-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.history-date{font-size:10px;color:var(--muted);font-weight:800}.history-speed{font-size:24px;color:var(--cyan);font-weight:950}.history-title{margin:8px 0}.history-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:6px}.history-meta{font-size:10px;color:var(--muted);margin-top:8px}.history-delete{border:1px solid rgba(251,113,133,.2);background:rgba(251,113,133,.06);color:#fecdd3;border-radius:11px;padding:7px 9px}.help-content{display:grid;gap:9px}.help-content article{border:1px solid var(--line);background:#111827;border-radius:16px;padding:12px}.help-content h3{font-size:14px;margin:0 0 6px}.help-content p{white-space:pre-line;color:var(--muted);font-size:12px;line-height:1.7;margin:0}.export-modal{width:min(760px,100%)}.export-progress{min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:13px;color:var(--muted)}.spinner{width:38px;height:38px;border-radius:50%;border:4px solid rgba(255,255,255,.12);border-top-color:var(--cyan);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.export-preview{width:100%;max-height:65vh;background:#000;border-radius:15px;margin-top:8px}.export-modal .button-row{margin-top:10px}.export-modal .button-row .btn{flex:1}.offscreen-video,.offscreen-canvas{position:fixed;left:-10000px;top:-10000px;width:1px;height:1px;opacity:.001;pointer-events:none}
@media (max-width:560px){.brand-logo{width:126px}.brand-copy{display:none}.content{padding-left:10px;padding-right:10px}.card{border-radius:19px;padding:14px}.result-grid{grid-template-columns:1fr 118px}.speed-line #initialSpeed{font-size:52px}.result-side .metric{padding:8px}.button-row{flex-wrap:nowrap}.btn{font-size:12px}.video-toolbar{display:grid;grid-template-columns:1fr 1fr}.video-toolbar .btn:last-child{grid-column:1/3}.video-empty{height:190px}.modal-backdrop{padding:0;align-items:end}.modal{width:100%;max-height:92vh;border-radius:22px 22px 0 0;padding-bottom:calc(15px + var(--safe-bottom))}.history-actions{align-items:center}.segmented.three button{font-size:10px}.metric-grid{grid-template-columns:1fr 1fr}}