:root{font-family:'Yu Gothic','Hiragino Kaku Gothic ProN',sans-serif;color:#333b46;background:#f2f4f7;color-scheme:light}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer;border:1px solid #cbd1d9;background:#fff;color:inherit;border-radius:6px;padding:11px 22px}button:hover:not(:disabled){border-color:#788ba6}button:active:not(:disabled){background:#eaf0f7}button:disabled{opacity:.35;cursor:default}button:focus-visible,input:focus-visible{outline:2px solid #738cb1;outline-offset:4px}[hidden]{display:none!important}main{max-width:780px;margin:auto;padding:44px 24px 30px}header{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;margin-bottom:38px}h1{font-weight:500;font-size:clamp(21px,4vw,30px);letter-spacing:.1em;margin:0}.hint-area{position:relative;z-index:5;flex:none}#hintToggle{font-size:13px;padding:11px 20px;border-radius:7px;background:#fff}#hintToggle[aria-expanded=true]{background:#eaf0f7;border-color:#9daabd}.slot-housing{margin:20px auto 0;width:92px;padding:9px 13px;border:1px solid #e1e5eb;border-radius:5px;background:#f5f6f8}.slot{width:64px;height:5px;border-radius:2px;background:#bcc2ca;box-shadow:inset 0 1px 2px #737b8640}.slot.accepting{background:#7c8a9d}#hintPanel{position:absolute;right:0;top:calc(100% + 10px);width:280px;max-width:calc(100vw - 36px);padding:24px;background:#fff;border:1px solid #d8dee6;border-radius:10px;box-shadow:0 12px 32px #33445514;font-size:14px;line-height:1.9}#hintPanel p{margin:0}.hint-purchase{text-align:center}#hintText{margin-top:22px!important;padding-top:18px;border-top:1px solid #e6e9ee}#price{font-family:Arial,sans-serif;font-size:22px;font-weight:500;line-height:1.4;font-variant-numeric:tabular-nums;white-space:nowrap}#pages{display:flex;justify-content:center;gap:12px;margin-bottom:22px}#pages button{padding:0;width:36px;height:36px;border-radius:50%;font-size:13px}#pages button[aria-current=step]{background:#39485d;color:#fff;border-color:#39485d}.board{background:#fff;min-height:340px;padding:34px 28px;display:flex;flex-direction:column;justify-content:center;border:1px solid #e1e5eb;border-radius:12px}#choices{display:grid;grid-template-columns:1fr 1fr;gap:22px}.choice{min-height:200px;display:flex;align-items:center;justify-content:center;padding:18px;background:#f8f9fb;font-size:20px;user-select:none;-webkit-user-select:none;touch-action:none}.choice img{width:100%;max-height:240px;object-fit:contain;pointer-events:none}.choice[data-kind=coin]{border-radius:50%;aspect-ratio:1;min-height:0;width:min(100%,200px);justify-self:center;background:#e9ecf0;border:5px double #a6afb9}.choice[data-kind=bill]{align-self:center;min-height:110px;background:#eff2e8;border:5px double #b6bdad;border-radius:3px}.choice.selected{box-shadow:0 0 0 2px #819878}.drag-ghost{position:fixed;z-index:100;pointer-events:none;opacity:.9;width:145px;padding:18px;background:#eff2e8;border:4px double #a7b099;text-align:center;transform:translate(-50%,-50%);box-shadow:0 8px 20px #0002}#illustration img{display:block;max-width:100%;max-height:300px;margin:0 auto 24px;object-fit:contain}.white-text{color:#fff;text-align:center;font-size:65px;letter-spacing:.2em;margin:15px 0 45px;user-select:none}#answerForm{display:flex;justify-content:center;gap:10px}#answer{min-width:0;width:230px;border:1px solid #cbd1d9;border-radius:5px;padding:10px 12px}#message{height:25px;text-align:center;font-size:14px;margin:18px 0 12px}.footer-actions{min-height:48px;text-align:center}.quiet{display:block;margin:26px auto 0;border:0;border-radius:0;border-bottom:1px solid #b9c0ca;background:none;padding:4px 0;font-size:12px;color:#78818f}dialog{width:min(360px,90vw);text-align:center;padding:42px 24px;border:1px solid #d2d8e0;border-radius:12px;color:#333b46}dialog h2{font-weight:500;margin:0 0 30px}dialog::backdrop{background:#24304188}@media(max-width:520px){main{padding:25px 18px}header{margin-bottom:28px}.board{min-height:300px;padding:25px 16px}#choices{gap:14px}.choice{font-size:16px;min-height:160px}.choice[data-kind=bill]{min-height:85px}#hintPanel{width:280px}}