:root{color-scheme:light;--bg: #FFF4DA;--paper: #FFFCF2;--ink: #1A1A1A;--ink-soft: #6E5E3A;--ink-mute: #B3A074;--hot-pink: #FF3D8A;--electric: #2945FF;--sunshine: #FFD400;--mint: #00C896;--tomato: #FF4F2E;--border: 3px solid var(--ink);--border-thin: 2px solid var(--ink);--radius-lg: 28px;--radius-md: 18px;--radius-sm: 12px;--pop: 0 4px 0 var(--ink);--pop-sm: 0 3px 0 var(--ink);--pop-lg: 0 6px 0 var(--ink);--display: "Bagel Fat One", "Hiragino Maru Gothic ProN", "Yu Gothic", system-ui, sans-serif;--body: "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", "Yu Gothic", system-ui, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;background:var(--bg);color:var(--ink);font-family:var(--body);font-weight:500;overscroll-behavior:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation}button,a{touch-action:manipulation;font-family:inherit}[hidden]{display:none!important}#app{height:100dvh;display:flex;flex-direction:column}#screen{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}#tabnav{display:flex;gap:6px;padding:8px;padding-bottom:calc(8px + env(safe-area-inset-bottom));background:var(--paper);border-top:var(--border)}#tabnav button{flex:1;background:transparent;border:var(--border-thin);border-color:transparent;border-radius:var(--radius-md);color:var(--ink-soft);padding:8px 4px;font-size:13px;min-height:48px;font-weight:700;box-shadow:none;transition:transform .1s ease}#tabnav button.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}#tabnav button:not(.active):active{transform:scale(.94)}#tabnav button:disabled{opacity:.3}button{font:inherit;font-weight:700;color:var(--ink);background:var(--paper);border:var(--border);border-radius:var(--radius-md);padding:12px 18px;min-height:50px;cursor:pointer;box-shadow:var(--pop);transition:transform .08s ease,box-shadow .08s ease}button:active{transform:translateY(4px);box-shadow:0 0 0 var(--ink)}button:disabled{opacity:.45;transform:none;box-shadow:var(--pop)}button.primary{background:var(--hot-pink);color:var(--ink)}button.danger{background:var(--tomato);color:var(--ink)}.home-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 24px 48px;text-align:center;gap:28px;overflow-y:auto;position:relative}.home-logo{font-family:var(--display);font-size:clamp(72px,22vw,112px);font-weight:400;line-height:.9;margin:0;letter-spacing:-.02em;color:var(--ink);text-shadow:6px 6px 0 var(--hot-pink);animation:bounce-in .7s cubic-bezier(.34,1.56,.64,1) both}@keyframes bounce-in{0%{opacity:0;transform:scale(.6) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.home-tagline{font-size:18px;font-weight:800;color:var(--ink);margin:0;animation:fade-up .6s .2s ease-out both}@keyframes fade-up{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.home-cta{display:flex;flex-direction:column;gap:14px;width:100%;max-width:320px;animation:fade-up .6s .35s ease-out both}.home-cta .big{font-size:19px;font-weight:800;padding:18px 24px;min-height:64px;background:var(--hot-pink);box-shadow:var(--pop-lg);border-radius:var(--radius-lg)}.home-cta .big:active{transform:translateY(6px);box-shadow:0 0 0 var(--ink)}.home-stats{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:13px;color:var(--ink-soft);font-weight:700;animation:fade-up .6s .5s ease-out both}.home-stats button.link{background:transparent;border:none;box-shadow:none;padding:4px 8px;min-height:0;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;font-weight:800;color:var(--ink)}.home-stats button.link:active{transform:none;box-shadow:none}.home-footer{margin-top:12px;font-size:11px;color:var(--ink-soft);opacity:.6;font-weight:700;letter-spacing:.04em}.lang-toggle{position:absolute;top:16px;right:16px;display:flex;background:var(--paper);border:var(--border-thin);border-radius:999px;padding:3px;z-index:10;box-shadow:var(--pop-sm)}.lang-toggle button{background:transparent;border:none;color:var(--ink-soft);font-size:12px;font-weight:800;min-height:0;padding:6px 14px;border-radius:999px;box-shadow:none;letter-spacing:.02em}.lang-toggle button:active{transform:none;box-shadow:none}.lang-toggle button.active{background:var(--ink);color:var(--bg)}.home-deco{position:absolute;pointer-events:none;z-index:-1}.home-deco-1{width:56px;height:56px;top:14%;left:10%;background:var(--sunshine);border:var(--border-thin);border-radius:50%;animation:float 4s ease-in-out infinite}.home-deco-2{width:78px;height:28px;bottom:16%;right:10%;background:var(--mint);border:var(--border-thin);border-radius:30px;transform:rotate(-12deg);animation:float 5s ease-in-out infinite 1s}.home-deco-3{width:40px;height:40px;top:22%;right:12%;background:var(--electric);border:var(--border-thin);border-radius:10px;transform:rotate(18deg);animation:float 4.5s ease-in-out infinite .5s}.home-deco-4{width:50px;height:50px;bottom:26%;left:12%;background:var(--hot-pink);border:var(--border-thin);border-radius:14px;transform:rotate(-10deg);animation:float 5.2s ease-in-out infinite 1.5s}@keyframes float{0%,to{translate:0 0}50%{translate:0 -10px}}.camera-view{position:relative;flex:1;display:flex;align-items:center;justify-content:center;background:#000;overflow:hidden}.camera-view video,.camera-view canvas{width:100%;height:100%;object-fit:cover}.shutter{position:absolute;bottom:max(22px,env(safe-area-inset-bottom));left:50%;transform:translate(-50%);width:84px;height:84px;border-radius:50%;background:var(--paper);border:4px solid var(--ink);box-shadow:0 6px 0 var(--ink),0 0 0 4px var(--hot-pink),0 6px 0 4px var(--ink);padding:0;z-index:5}.shutter:active{transform:translate(-50%) translateY(6px);box-shadow:0 0 0 var(--ink),0 0 0 4px var(--hot-pink)}.shutter:disabled{opacity:.5;transform:translate(-50%)}.status{position:absolute;top:72px;left:12px;right:12px;text-align:center;font-size:14px;font-weight:700;color:var(--bg);pointer-events:none;z-index:4;text-shadow:0 1px 0 rgba(0,0,0,.5)}.error{color:var(--tomato);padding:24px;text-align:center}.flash-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#fff;opacity:0;pointer-events:none;z-index:3}.aspect-frame{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);aspect-ratio:var(--target-aspect, 9 / 16);max-width:100%;max-height:100%;width:100%;pointer-events:none;box-shadow:0 0 0 100vmax #0000008c;border:2px solid var(--sunshine);z-index:1}.aspect-selector{position:absolute;top:14px;left:50%;transform:translate(-50%);display:flex;gap:0;background:var(--paper);border:var(--border-thin);border-radius:999px;padding:3px;z-index:4;box-shadow:var(--pop-sm)}.aspect-selector button{background:transparent;border:none;color:var(--ink-soft);font-size:13px;font-weight:700;min-height:30px;padding:4px 14px;border-radius:999px;box-shadow:none}.aspect-selector button:active{transform:none;box-shadow:none}.aspect-selector button.active{background:var(--ink);color:var(--bg)}.flash-overlay.fire{animation:flash-anim .18s ease-out}@keyframes flash-anim{0%{opacity:.7}to{opacity:0}}.count-badge{position:absolute;top:14px;left:14px;min-width:44px;height:44px;padding:0 12px;border-radius:999px;background:var(--sunshine);color:var(--ink);border:var(--border-thin);font-size:17px;font-weight:800;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;z-index:4;box-shadow:var(--pop-sm)}.top-right-btn{position:absolute;top:14px;right:14px;min-height:40px;padding:8px 18px;background:var(--paper);border:var(--border-thin);color:var(--ink);border-radius:999px;font-size:14px;font-weight:700;z-index:4;box-shadow:var(--pop-sm)}.top-right-btn.end{background:var(--tomato);color:var(--ink)}.top-right-btn:active{transform:translateY(3px);box-shadow:0 0 0 var(--ink)}.library-screen{flex:1;display:flex;flex-direction:column;min-height:0}.library-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:var(--border-thin);gap:12px;background:var(--paper)}.lib-stats{font-size:13px;color:var(--ink-soft);font-weight:700}.library-grid{flex:1;min-height:0;overflow-y:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px 8px;padding:12px}.tile{position:relative;background:var(--ink);border:var(--border-thin);border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--pop-sm);height:0;padding-bottom:100%}.tile-num{position:absolute;bottom:5px;left:5px;min-width:26px;height:26px;padding:0 8px;border-radius:13px;background:var(--sunshine);border:var(--border-thin);color:var(--ink);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;z-index:2;box-shadow:var(--pop-sm);pointer-events:none}.tile .thumb{position:absolute;top:0;right:0;bottom:0;left:0;background:#000}.tile .thumb img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}.tile-del{position:absolute;top:5px;right:5px;width:30px;height:30px;min-height:0;padding:0;border-radius:50%;background:var(--tomato);border:var(--border-thin);font-size:16px;line-height:1;color:var(--ink);font-weight:800;box-shadow:var(--pop-sm)}.tile-del:active{transform:translateY(2px);box-shadow:0 0 0 var(--ink)}.library-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--ink-soft);font-size:15px;font-weight:700;padding:24px;text-align:center;gap:6px}.session-list{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px}.session-card{position:relative;display:flex;align-items:center;gap:12px;background:var(--paper);border:var(--border-thin);border-radius:var(--radius-md);padding:10px;cursor:pointer;box-shadow:var(--pop-sm);transition:transform .08s ease,box-shadow .08s ease}.new-badge{position:absolute;top:-8px;left:-6px;background:var(--sunshine);color:var(--ink);border:var(--border-thin);border-radius:999px;padding:3px 10px;font-size:11px;font-weight:800;letter-spacing:.06em;z-index:3;box-shadow:var(--pop-sm);pointer-events:none;animation:new-pulse 1.2s ease-in-out infinite}@keyframes new-pulse{0%,to{transform:rotate(-8deg) scale(1)}50%{transform:rotate(-8deg) scale(1.1)}}.session-card:active{transform:translateY(2px);box-shadow:0 0 0 var(--ink)}.sc-thumb{width:72px;height:72px;flex-shrink:0;border-radius:var(--radius-sm);overflow:hidden;background:var(--ink);border:var(--border-thin)}.sc-thumb img{width:100%;height:100%;object-fit:cover;display:block}.sc-thumb-empty{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--bg);font-size:12px;font-weight:700}.sc-body{flex:1;min-width:0}.sc-title{font-size:15px;font-weight:800;margin-bottom:4px;color:var(--ink)}.sc-meta{font-size:12px;color:var(--ink-soft);font-weight:600}.sc-del{width:36px;height:36px;min-height:0;padding:0;border-radius:50%;background:var(--tomato);border:var(--border-thin);color:var(--ink);font-size:16px;line-height:1;flex-shrink:0;font-weight:800;box-shadow:var(--pop-sm)}.sc-del:active{transform:translateY(2px);box-shadow:0 0 0 var(--ink)}.back-btn{background:transparent;border:none;box-shadow:none;color:var(--ink);font-size:14px;font-weight:800;padding:6px 10px;min-height:0}.back-btn:active{transform:none;box-shadow:none}.library-actions{display:flex;gap:10px;padding:12px 14px;padding-bottom:max(14px,env(safe-area-inset-bottom));border-top:var(--border-thin);background:var(--paper)}.library-actions button{flex:1}.session-tag{font-size:13px;color:var(--hot-pink);font-weight:800;margin-bottom:4px}.video-screen{flex:1;display:flex;flex-direction:column;min-height:0;overflow-y:auto;padding:16px;gap:14px}.video-info{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--ink-soft);font-weight:600}.video-controls{background:var(--paper);border:var(--border-thin);border-radius:var(--radius-md);padding:14px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--pop-sm)}.video-controls .row{display:flex;align-items:center;gap:10px}.video-controls .label{width:72px;font-size:13px;color:var(--ink-soft);font-weight:700}.video-controls .value-text{font-size:14px;font-weight:700}.video-controls .seg{display:flex;gap:0;flex:1;background:var(--bg);border:var(--border-thin);border-radius:var(--radius-sm);padding:3px}.video-controls .seg button{flex:1;min-height:36px;padding:4px 6px;font-size:13px;font-weight:700;background:transparent;border:none;border-radius:9px;box-shadow:none;color:var(--ink-soft)}.video-controls .seg button:active{transform:none;box-shadow:none}.video-controls .seg button.active{background:var(--ink);color:var(--bg)}.video-controls input[type=range]{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:10px;background:var(--bg);border:var(--border-thin);border-radius:999px;outline:none;padding:0}.video-controls input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:22px;height:22px;background:var(--hot-pink);border:var(--border-thin);border-radius:50%;cursor:pointer;box-shadow:0 2px 0 var(--ink)}.video-controls input[type=range]::-moz-range-thumb{width:22px;height:22px;background:var(--hot-pink);border:var(--border-thin);border-radius:50%;cursor:pointer}.video-controls .value{width:36px;text-align:center;font-variant-numeric:tabular-nums;font-size:15px;font-weight:800;color:var(--ink)}.video-controls .actions button{flex:1}.hint{font-size:12px;color:var(--ink-soft);font-weight:600;padding-top:4px}.hint.error-text{color:var(--tomato);font-weight:700}.progress-wrap{display:flex;flex-direction:column;gap:8px;background:var(--paper);border:var(--border-thin);border-radius:var(--radius-md);padding:14px;box-shadow:var(--pop-sm)}.progress-bar{width:100%;height:14px;background:var(--bg);border:var(--border-thin);border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:var(--hot-pink);transition:width .1s linear}.progress-text{font-size:13px;color:var(--ink);font-weight:700;text-align:center}.video-result{display:flex;flex-direction:column;gap:12px;background:var(--paper);border:var(--border-thin);border-radius:var(--radius-md);padding:14px;box-shadow:var(--pop-sm)}.video-result video,.video-result .result-media img{width:100%;background:#000;border-radius:var(--radius-sm);border:var(--border-thin);display:block}.result-media{display:flex;justify-content:center}.result-actions{display:flex;flex-wrap:wrap;gap:8px}.result-actions>*{flex:1 1 calc(50% - 4px);min-width:120px}.gif-guide{background:var(--sunshine);border:var(--border-thin);border-radius:var(--radius-sm);padding:12px 14px;font-size:13px;color:var(--ink);font-weight:600;line-height:1.6}.gif-guide strong{color:var(--ink);display:block;margin-bottom:6px;font-weight:800}.gif-guide ol{margin:0;padding-left:20px}.gif-guide li{margin-bottom:6px}.x-intent-link{display:inline-block;background:var(--paper);color:var(--ink);padding:2px 10px;border:var(--border-thin);border-radius:999px;text-decoration:none;font-weight:800;white-space:nowrap;box-shadow:var(--pop-sm);margin:0 2px}.x-intent-link:active{transform:translateY(2px);box-shadow:0 0 0 var(--ink)}.android-note{margin-top:8px;padding-top:8px;border-top:2px dashed var(--ink);font-size:12px}#toast-container{position:fixed;left:0;right:0;bottom:calc(80px + env(safe-area-inset-bottom));display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none;z-index:1000}.toast{background:var(--ink);color:var(--bg);border:var(--border-thin);border-radius:999px;padding:10px 18px;font-size:14px;font-weight:700;max-width:88vw;text-align:center;opacity:0;transform:translateY(8px);transition:opacity .2s ease,transform .2s ease;box-shadow:var(--pop-sm)}.toast.show{opacity:1;transform:translateY(0)}.toast-error{background:var(--tomato);color:var(--ink)}.toast-success{background:var(--mint);color:var(--ink)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#1a1a1a8c;display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px}.modal-box{background:var(--paper);border:var(--border);border-radius:var(--radius-lg);padding:22px;max-width:360px;width:100%;display:flex;flex-direction:column;gap:16px;box-shadow:var(--pop-lg);animation:modal-pop .25s cubic-bezier(.34,1.56,.64,1) both}@keyframes modal-pop{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}.modal-msg{margin:0;font-size:15px;line-height:1.5;font-weight:600;color:var(--ink)}.modal-actions{display:flex;gap:10px}.modal-actions button{flex:1}.modal-confirm.danger{background:var(--tomato);color:var(--ink)}.camera-error-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;gap:16px;text-align:center}.camera-error-screen h2{margin:0;font-size:20px;font-weight:800;color:var(--tomato)}.camera-error-screen p{margin:0;font-size:14px;color:var(--ink-soft);line-height:1.6;font-weight:600}.camera-error-screen .detail{font-size:12px;color:var(--ink-mute);word-break:break-word}.camera-error-screen .ios-hint{background:var(--paper);border:var(--border-thin);border-radius:var(--radius-md);padding:14px 16px;text-align:left;font-size:13px;color:var(--ink);line-height:1.7;font-weight:600;box-shadow:var(--pop-sm)}.button-link{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font:inherit;font-weight:700;border-radius:var(--radius-md);padding:12px 14px;min-height:50px;border:var(--border);color:var(--ink);background:var(--paper);box-shadow:var(--pop);transition:transform .08s ease,box-shadow .08s ease}.button-link:active{transform:translateY(4px);box-shadow:0 0 0 var(--ink)}.button-link.primary{background:var(--hot-pink);color:var(--ink)}