:root{color-scheme:light dark;--bg: #0f1419;--surface: #1a2332;--text: #e7ecf3;--muted: #8b98a5;--accent: #ff9e5e;--accent-light: #ffb47a;--accent-deep: #e8894a;--border: #2f3d52;--ok: #3dd68c;--warn: #f5a623;--radius-drop: 8px;--radius-btn: 8px;--radius-sm: 4px;--font-display: "Source Code Pro", ui-monospace, monospace;--font-body: "Source Code Pro", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, sans-serif;line-height:1.5}@media(prefers-color-scheme:light){:root{--bg: #f4f6f9;--surface: #fff;--text: #1a1f26;--muted: #5c6b7a;--border: #d8dee6}}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:var(--font-body);display:flex;justify-content:center;align-items:stretch;padding:clamp(1rem,4vw,1.5rem)}#app{width:100%;max-width:44rem;margin:0 auto}.shell{display:flex;flex-direction:column;align-items:center;min-height:calc(100vh - clamp(2rem,8vw,3rem));width:100%}.page-header{text-align:center;margin-bottom:clamp(1.5rem,5vw,2.25rem);flex-shrink:0;display:flex;flex-direction:column;align-items:center}.page-main{flex:1;width:100%;display:flex;flex-direction:column}h1{font-family:var(--font-display);font-size:clamp(1.5rem,5vw,2rem);font-weight:800;margin:0;letter-spacing:-.05em;line-height:1.05}.tagline{margin:.45rem 0 0;font-family:var(--font-display);font-size:clamp(.65rem,2vw,.78rem);font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}.lead{color:var(--muted);font-size:.9rem;margin:0 0 1.5rem;line-height:1.65;text-align:center;max-width:36rem;margin-left:auto;margin-right:auto}.drop{border:3px dashed var(--border);border-radius:var(--radius-drop);padding:clamp(1.75rem,5vw,2.25rem) clamp(1.25rem,4vw,1.75rem);text-align:center;background:var(--surface);transition:border-color .2s ease,background-color .2s ease}.drop:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--accent)}.drop.drag{border-color:var(--accent);border-style:dashed;background:color-mix(in srgb,var(--accent) 14%,var(--surface))}.drop p{margin:0;font-size:.95rem}.drop .hint{margin-top:.65rem;font-size:.8rem;color:var(--muted);line-height:1.55}input[type=file]{margin-top:1.1rem;max-width:100%;font-size:.82rem;font-family:var(--font-body)}.actions{display:flex;flex-wrap:wrap;gap:.65rem;margin-top:1.35rem;align-items:center;justify-content:center}button{font:inherit;font-family:var(--font-display);font-weight:600;font-size:.8rem;letter-spacing:.03em;cursor:pointer;border-radius:var(--radius-btn);padding:.5rem 1.15rem;min-height:2.25rem;color:#fff;border:1px solid color-mix(in srgb,var(--accent-deep) 65%,#000 35%);background:linear-gradient(180deg,var(--accent-light) 0%,var(--accent) 55%,var(--accent-deep) 100%);box-shadow:0 1px 2px color-mix(in srgb,#000 18%,transparent);transition:filter .12s ease,box-shadow .12s ease,transform .08s ease}button:not(:disabled):hover{filter:brightness(1.04)}button:not(:disabled):active{transform:translateY(1px);box-shadow:0 1px 1px color-mix(in srgb,#000 12%,transparent)}button:focus-visible{outline:none;box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--accent)}button:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;filter:grayscale(.15)}button.secondary{color:var(--text);background:var(--surface);border:1px solid var(--border);box-shadow:0 1px 2px color-mix(in srgb,var(--text) 6%,transparent)}button.secondary:not(:disabled):hover{filter:brightness(1.03);border-color:color-mix(in srgb,var(--accent) 35%,var(--border))}button.secondary:not(:disabled):active{transform:translateY(1px);box-shadow:none}button.secondary:focus-visible{box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--accent)}.stats{margin-top:1.1rem;font-size:.88rem;color:var(--muted);text-align:center}.stats strong{color:var(--ok);font-weight:600}.fix-log{margin-top:1rem;text-align:left;max-width:36rem;margin-left:auto;margin-right:auto;padding:.85rem 1rem;border-radius:var(--radius-drop);background:color-mix(in srgb,var(--text) 4%,var(--surface));border:1px solid var(--border);font-size:.8rem;line-height:1.55}.fix-log-title{margin:0 0 .5rem;font-family:var(--font-display);font-weight:600;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.fix-log-list{margin:0;padding:0;list-style:none;font-family:var(--font-display)}.fix-log-list li{margin:.35rem 0 0;padding:0;color:var(--text)}.fix-log-list li:first-child{margin-top:0}.fix-log-count{color:var(--muted);margin-left:.25rem}.warnings{margin-top:1.1rem;padding:.85rem 1.1rem;border-radius:var(--radius-drop);background:color-mix(in srgb,var(--warn) 15%,var(--surface));border:1px solid color-mix(in srgb,var(--warn) 35%,var(--border));font-size:.85rem;color:var(--text);line-height:1.55}.warnings ul{margin:.35rem 0 0 1.1rem;padding:0}.page-footer{width:100%;flex-shrink:0;margin-top:auto;padding-top:clamp(2rem,6vw,3rem);display:flex;flex-direction:column;align-items:center}.apps-footer{width:100%;display:flex;justify-content:center;padding:.25rem 0 .15rem}.apps-footer-link{display:inline-flex;line-height:0;opacity:.72;transition:opacity .2s ease}.apps-footer-link:hover,.apps-footer-link:focus-visible{opacity:1}.apps-footer-link:focus-visible{outline:none;box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--accent);border-radius:4px}.apps-footer-logo{width:clamp(104px,30vw,188px);height:auto;display:block}code{font-family:var(--font-display);font-size:.82em;font-weight:500;background:color-mix(in srgb,var(--text) 8%,transparent);padding:.12em .4em;border-radius:var(--radius-sm)}