:root{color:#11151f;background:#f5f7ec;font-family:Yu Gothic,Hiragino Kaku Gothic ProN,Noto Sans JP,system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit}a{color:#214e9d}.sale-page{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(380px,.88fr);min-height:100vh;background:linear-gradient(90deg,rgba(190,255,0,.2),transparent 34%),linear-gradient(180deg,#fbfff4,#eef1e6)}.art-panel{position:relative;display:grid;min-height:100vh;place-items:center;overflow:hidden;background:linear-gradient(145deg,rgba(255,255,255,.18),transparent 42%),radial-gradient(circle at 18% 18%,rgba(183,255,0,.95),transparent 18rem),radial-gradient(circle at 78% 72%,rgba(24,67,157,.36),transparent 24rem),#10131c}.art-panel:before{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:36px 36px;content:"";-webkit-mask-image:linear-gradient(115deg,#000,transparent 72%);mask-image:linear-gradient(115deg,#000,transparent 72%)}.art-panel img{position:relative;width:min(66vw,720px);max-width:calc(100% - 48px);max-height:calc(100vh - 112px);object-fit:contain;border:2px solid rgba(245,255,221,.78);border-radius:8px;box-shadow:0 32px 90px #0006}.edition-mark{position:absolute;top:28px;left:28px;z-index:1;padding:8px 12px;border:1px solid rgba(255,255,255,.34);border-radius:999px;color:#efffd3;font-size:12px;letter-spacing:.08em}.sale-panel{display:flex;flex-direction:column;justify-content:center;gap:24px;padding:clamp(28px,7vw,84px);border-left:1px solid rgba(17,21,31,.12)}.eyebrow{margin:0;color:#214e9d;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}h1{max-width:11ch;margin:0;font-family:Yu Mincho,Hiragino Mincho ProN,"Noto Serif JP",serif;font-size:clamp(48px,6.6vw,88px);font-weight:800;line-height:1.02}.description{max-width:56ch;margin:0;color:#374052;font-size:16px;line-height:1.8}.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.metrics div,.purchase-box,.metadata{border:1px solid rgba(23,23,17,.14);border-radius:6px;background:#ffffffb8;box-shadow:0 18px 50px #18244317}.metrics div{display:grid;min-height:88px;align-content:space-between;padding:14px}.metrics span,.wallet-row span,.quantity-control span,.metadata dt{color:#5b6372;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.metrics strong{overflow-wrap:anywhere;font-size:18px}.purchase-box{display:grid;gap:16px;padding:18px}.wallet-row,.quantity-control{display:flex;align-items:center;justify-content:space-between;gap:16px}.wallet-row strong{overflow-wrap:anywhere;text-align:right}.quantity-control input{width:92px;padding:10px 12px;border:1px solid rgba(23,23,17,.22);border-radius:4px;background:#fbfff4;color:#11151f;text-align:right}.primary-action{min-height:52px;border:0;border-radius:4px;background:#173f98;color:#efffd3;cursor:pointer;font-weight:800}.primary-action:disabled{cursor:not-allowed;opacity:.56}.primary-action:not(:disabled):hover{background:#11151f}.hint,.status{margin:0;color:#4d5667;font-size:14px;line-height:1.6}.error{color:#a83232}.success{color:#17835e}.metadata{display:grid;gap:14px;margin:0;padding:18px}.metadata div{display:grid;gap:6px}.metadata dd{margin:0;overflow-wrap:anywhere;color:#30394b;font-family:SFMono-Regular,Consolas,monospace;font-size:13px}@media(max-width:900px){.sale-page{grid-template-columns:1fr}.art-panel{min-height:54vh}.sale-panel{border-left:0}}@media(max-width:620px){.metrics{grid-template-columns:1fr}.wallet-row,.quantity-control{align-items:flex-start;flex-direction:column}.wallet-row strong{text-align:left}}