:root{font-family:system-ui,-apple-system,"Hiragino Kaku Gothic ProN",sans-serif;color:#453954;background:#f5efff;line-height:1.7;color-scheme:light}
*{box-sizing:border-box}body{margin:0;padding:24px 14px}.transfer-card{max-width:680px;margin:auto;background:#fff;border-radius:24px;padding:30px;box-shadow:0 6px 30px #56416f12}a{color:#654299;text-underline-offset:3px;overflow-wrap:anywhere}.back{display:inline-block;min-height:44px}.eyebrow{font-size:14px;color:#765786;margin:8px 0}h1{font-size:clamp(24px,5vw,32px);margin:0}h2{font-size:20px;display:flex;align-items:center;gap:10px}h2 span{display:grid;place-items:center;background:#eee5fa;border-radius:50%;width:32px;height:32px;flex:none}h3{font-size:17px}section{border-top:1px solid #e8deef;margin-top:28px;padding-top:10px}p{margin:12px 0}.note{background:#f5f0fa;padding:12px 15px;border-radius:12px;font-size:14px}.summary{white-space:pre-line;font-weight:600}.small{font-size:13px;color:#685b75}button,.play-link{font:inherit;font-weight:700;min-height:48px;border:0;border-radius:14px;padding:12px 18px;background:#7652a2;color:white;cursor:pointer;width:100%;display:block;text-align:center}button:disabled{background:#e7dfed;color:#756b7e;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #c67a17;outline-offset:3px}.file-label{font-weight:700;display:block;margin-bottom:8px}input[type=file]{font:inherit;font-size:14px;width:100%;padding:10px;border:1px solid #d9cce4;border-radius:10px}input::file-selector-button{font:inherit;padding:10px;border:0;border-radius:6px;margin-right:8px}.confirm{display:flex;align-items:center;gap:10px;margin:20px 0;min-height:44px}.confirm input{width:22px;height:22px;flex:none}#transfer-status{min-height:48px;padding:12px 15px;background:#edf5ef;border-radius:12px}#transfer-status[data-busy=true]::before{content:"";display:inline-block;width:14px;height:14px;border:2px solid #b9c8bc;border-top-color:#477952;border-radius:50%;margin-right:10px;vertical-align:middle;animation:spin 1s linear infinite}#transfer-status[data-error=true]{background:#fff0e8;color:#833c1a}[hidden]{display:none!important}.play-link{margin-top:24px}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:440px){body{padding:12px}.transfer-card{padding:20px 16px}h2{font-size:18px}}@media(prefers-reduced-motion:reduce){#transfer-status[data-busy=true]::before{animation:none}}