:root{--ink:#1d1d1f;--soft:#6b6b70;--line:#e7e5e0;--bg:#fbfaf7;--card:#fff;--accent:#ff6b3d;--accent-ink:#fff;--r:18px}
[hidden]{display:none!important}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:17px/1.55 ui-rounded,"SF Pro Rounded",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:inherit}
.banner{background:#fff3c4;color:#5a4500;text-align:center;padding:8px 16px;font-size:14px}
.banner.inline{border-radius:12px;display:inline-block}
.top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;max-width:880px;margin:0 auto;padding:20px}
.logo{font-weight:800;font-size:22px;text-decoration:none;letter-spacing:-.02em}
.top nav{display:flex;gap:18px;flex-wrap:wrap}
.top nav a{text-decoration:none;color:var(--soft);font-size:15px}
main{max-width:880px;margin:0 auto;padding:0 20px}
section{padding:36px 0;border-bottom:1px solid var(--line)}
section:last-child{border-bottom:0}
h1{font-size:clamp(32px,6vw,52px);line-height:1.08;letter-spacing:-.03em;margin:12px 0 16px}
h2{font-size:28px;letter-spacing:-.02em;margin:0 0 16px}
.lead{font-size:20px;color:var(--soft);max-width:640px}
.maker{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:24px;margin:8px 0 24px}
.progress{display:flex;gap:8px;list-style:none;padding:0;margin:0 0 20px;flex-wrap:wrap}
.progress li{font-size:14px;color:var(--soft);padding:4px 12px;border-radius:99px;background:var(--bg)}
.progress li.on{background:var(--ink);color:#fff}
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:240px;border:2px dashed #d5d2cb;border-radius:var(--r);cursor:pointer;text-align:center;padding:24px;transition:background .15s}
.drop:hover,.drop.over{background:#fff6f1;border-color:var(--accent)}
.drop-big{font-size:24px;font-weight:700}
.drop-small{color:var(--soft);font-size:15px}
.note{color:var(--soft);font-size:14px;margin:12px 0 0}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:560px){.pair{grid-template-columns:1fr}}
figure{margin:0}
figure img,.chibi-box{width:100%;aspect-ratio:1/1;object-fit:contain;border-radius:var(--r);background:var(--bg);border:1px solid var(--line)}
.chibi-box{display:flex;align-items:center;justify-content:center;overflow:hidden}
.chibi-box img{border:0}
figcaption{color:var(--soft);font-size:14px;margin-top:6px;text-align:center}
.spinner{color:var(--soft);font-size:15px;padding:16px;text-align:center}
.spinner::before{content:"";display:block;width:28px;height:28px;margin:0 auto 10px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.viewer-wrap{position:relative}
model-viewer{width:100%;height:420px;background:radial-gradient(circle at 50% 40%,#fff,#f1efe9);border-radius:var(--r);border:1px solid var(--line)}
.spinner.over{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:rgba(251,250,247,.85);border-radius:var(--r)}
.actions{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap;margin-top:16px}
.btn{font:inherit;font-weight:600;border:1px solid var(--line);background:#fff;color:var(--ink);padding:12px 20px;border-radius:99px;cursor:pointer;text-decoration:none;display:inline-block}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn:disabled{opacity:.5;cursor:wait}
#order{margin-top:24px}
.sizes{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.size{font:inherit;display:flex;flex-direction:column;align-items:center;gap:2px;padding:16px 8px;border-radius:var(--r);border:2px solid var(--line);background:#fff;cursor:pointer}
.size span{color:var(--soft)}
.size.on{border-color:var(--accent);background:#fff6f1}
.total{text-align:right;margin:16px 0 0;font-size:18px}
.error{background:#ffe9e6;color:#8a1f11;border-radius:12px;padding:12px 16px;margin-top:16px}
.how{padding-left:22px;margin:0}
.how li{margin:0 0 12px}
.price-row{display:flex;gap:12px;flex-wrap:wrap}
.price-row span{background:#fff;border:1px solid var(--line);border-radius:99px;padding:8px 16px}
details{border-top:1px solid var(--line);padding:14px 0}
details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:600}
details p{color:var(--soft);margin:10px 0 0}
.foot{max-width:880px;margin:0 auto;padding:32px 20px 48px;color:var(--soft);font-size:14px}