:root{--paper:#f2e9d6;--paper2:#e9dcc1;--ink:#1c1a17;--soft:#5d554a;--red:#b8321c;--line:#cbbd9f}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--ink);font:16px/1.55 "Shippori Mincho",Georgia,serif;
background-image:radial-gradient(rgba(120,100,70,.06) 1px,transparent 1px);background-size:5px 5px}
a{color:inherit}
.mono{font-family:"IBM Plex Mono",ui-monospace,monospace}
nav{position:sticky;top:0;z-index:9;display:flex;align-items:center;gap:10px;padding:10px 16px;background:rgba(242,233,214,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
nav .brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:18px;text-decoration:none}
nav .brand img{width:30px;height:30px;border-radius:50%}
nav .sp{flex:1}
nav a.l{font-size:13px;text-decoration:none;color:var(--soft);display:none}
.btn{appearance:none;border:1.5px solid var(--ink);background:var(--ink);color:var(--paper);font:600 14px "IBM Plex Mono",monospace;padding:10px 16px;border-radius:2px;cursor:pointer}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.red{background:var(--red);border-color:var(--red)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.wrap{max-width:980px;margin:0 auto;padding:0 16px}
.hero{display:grid;gap:24px;padding:28px 0 8px}
.kanji{font-size:12px;letter-spacing:.3em;color:var(--red)}
h1{font-size:44px;line-height:1.05;font-weight:800;margin:6px 0 10px}
.lead{color:var(--soft);font-size:17px;max-width:30em}
.card{perspective:1400px;width:100%;max-width:420px;margin:0 auto;aspect-ratio:1/1;cursor:pointer}
.card .in{position:relative;width:100%;height:100%;transition:transform .8s cubic-bezier(.2,.7,.2,1);transform-style:preserve-3d}
.card.f .in{transform:rotateY(180deg)}
.face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border:1px solid var(--line);background:var(--paper2);box-shadow:0 18px 40px -22px rgba(40,30,20,.5)}
.face img{width:100%;height:100%;object-fit:cover;display:block}
.back{transform:rotateY(180deg);padding:22px;display:flex;flex-direction:column;gap:10px;background:var(--paper)}
.back h3{font-size:22px}
.back .row{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding:6px 0;font-size:14px}
.hint{text-align:center;font-size:12px;color:var(--soft);margin-top:8px}
.thumbs{display:flex;gap:8px;justify-content:center;margin-top:10px}
.thumbs button{width:46px;height:46px;border:1px solid var(--line);padding:0;background:none;cursor:pointer;opacity:.6}
.thumbs button.on{opacity:1;border-color:var(--ink)}
.thumbs img{width:100%;height:100%;object-fit:cover;display:block}
.mintbox{border:1.5px solid var(--ink);padding:18px;background:var(--paper);margin-top:18px}
.prog{height:8px;background:var(--paper2);border:1px solid var(--line);margin:8px 0 4px}
.prog i{display:block;height:100%;background:var(--ink);width:0}
.stats{display:flex;justify-content:space-between;font-size:13px;color:var(--soft)}
.mrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;align-items:center}
.qty{display:flex;border:1.5px solid var(--ink)}
.qty button{width:36px;background:none;border:0;font:600 18px "IBM Plex Mono";cursor:pointer}
.qty span{min-width:30px;text-align:center;line-height:40px;font-family:"IBM Plex Mono"}
#msg{font-size:13px;margin-top:10px;min-height:20px;color:var(--soft)}
section{padding:40px 0;border-top:1px solid var(--line)}
h2{font-size:28px;font-weight:800;margin-bottom:6px}
.sub{color:var(--soft);margin-bottom:18px}
.stages{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.stg{border:1px solid var(--line);background:var(--paper2)}
.stg img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.stg p{padding:8px 10px;font-size:14px}
.stg b{display:block;font-size:16px}
.pats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.pat{text-align:center;font-size:13px}
.pat img{width:100%;aspect-ratio:1/1;object-fit:cover;border:1px solid var(--line);display:block;margin-bottom:4px}
.mine{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.mk{border:1px solid var(--line);background:var(--paper2)}
.mk img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.mk div{padding:8px;font-size:13px;display:flex;flex-direction:column;gap:6px}
.mk .btn{padding:7px 10px;font-size:12px}
pre{background:var(--ink);color:var(--paper);padding:14px;overflow-x:auto;font:12.5px/1.5 "IBM Plex Mono",monospace;border-radius:2px}
.faq p{margin:0 0 12px}
.cbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.cbar select{font:600 13px "IBM Plex Mono",monospace;padding:8px;border:1.5px solid var(--ink);background:var(--paper);color:var(--ink);border-radius:2px}
.pcount{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.pcount span{font:12px "IBM Plex Mono",monospace;border:1px solid var(--line);padding:4px 8px;background:var(--paper2)}
.cgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.ck{border:1px solid var(--line);background:var(--paper2);position:relative}
.ck img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.ck div{padding:5px 6px;font:11.5px/1.35 "IBM Plex Mono",monospace}
.ck b{font-family:"Shippori Mincho",serif;font-size:13px}
.tier{position:absolute;top:5px;left:5px;font:600 10px "IBM Plex Mono",monospace;padding:2px 5px;background:var(--paper);border:1px solid var(--ink)}
.t-Rare{background:#1c1a17;color:#f2e9d6}.t-Legendary{background:#b8321c;color:#fff;border-color:#b8321c}.t-Uncommon{background:#e9dcc1}
@media(min-width:760px){.cgrid{grid-template-columns:repeat(6,1fr)}}
footer{padding:28px 0 60px;font-size:12px;color:var(--soft);border-top:1px solid var(--line)}
@media(min-width:760px){
 nav a.l{display:inline}
 .hero{grid-template-columns:1.05fr 1fr;align-items:center;padding:56px 0 20px}
 h1{font-size:58px}
 .stages{grid-template-columns:repeat(4,1fr)}
 .pats{grid-template-columns:repeat(6,1fr)}
 .mine{grid-template-columns:repeat(4,1fr)}
}

.tabs{display:flex;gap:2px;border:1.5px solid var(--ink);border-radius:2px;overflow:hidden}
.tabs a{font:600 12px "IBM Plex Mono",monospace;text-decoration:none;padding:7px 9px;color:var(--ink)}
.tabs a.on{background:var(--ink);color:var(--paper)}
nav .brand span{display:none}
@media(min-width:760px){nav .brand span{display:inline}.tabs a{padding:8px 14px;font-size:13px}}
nav{gap:8px;padding:8px 10px}
nav #cbtn{padding:7px 9px;font-size:12px}
@media(min-width:760px){nav{padding:10px 16px}nav #cbtn{padding:10px 16px;font-size:14px}}
.cbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;align-items:center}
.cbar select,.cbar input{font:600 13px "IBM Plex Mono",monospace;padding:8px;border:1.5px solid var(--ink);background:var(--paper);color:var(--ink);border-radius:2px;max-width:100%}
.cbar input{width:110px}
.pcount{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.pcount span,.pcount button{font:12px "IBM Plex Mono",monospace;border:1px solid var(--line);padding:5px 8px;background:var(--paper2);color:var(--ink);cursor:pointer}
.pcount button.on{border-color:var(--ink);background:var(--ink);color:var(--paper)}
.cgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.ck{border:1px solid var(--line);background:var(--paper2);position:relative}
.ck.sel{outline:3px solid var(--red);outline-offset:-3px}
.ck img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.ck div{padding:5px 6px;font:11.5px/1.35 "IBM Plex Mono",monospace}
.ck b{font-family:"Shippori Mincho",serif;font-size:13px}
.ck .pr{font-weight:600;color:var(--ink)}
.ck .btn{padding:6px 8px;font-size:11px;margin-top:5px;width:100%}
.tier{position:absolute;top:5px;left:5px;font:600 10px "IBM Plex Mono",monospace;padding:2px 5px;background:var(--paper);border:1px solid var(--ink)}
.lst{position:absolute;top:5px;right:5px;font:600 10px "IBM Plex Mono",monospace;padding:2px 5px;background:var(--red);color:#fff}
.t-Rare{background:#1c1a17;color:#f2e9d6}.t-Legendary{background:#b8321c;color:#fff;border-color:#b8321c}.t-Uncommon{background:#e9dcc1}
.page{padding:22px 0 10px}
.mstats{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:14px}
.mstats div{border:1px solid var(--line);background:var(--paper2);padding:10px;font:12px "IBM Plex Mono",monospace;color:var(--soft)}
.mstats b{display:block;font:800 20px "Shippori Mincho",serif;color:var(--ink)}
.seg{display:flex;border:1.5px solid var(--ink);width:max-content;margin-bottom:14px}
.seg button{font:600 13px "IBM Plex Mono",monospace;padding:9px 18px;border:0;background:none;cursor:pointer;color:var(--ink)}
.seg button.on{background:var(--ink);color:var(--paper)}
.dock{position:sticky;bottom:0;z-index:8;background:var(--paper);border:1.5px solid var(--ink);padding:12px;margin:14px 0;display:flex;flex-direction:column;gap:8px;box-shadow:0 -8px 24px -16px rgba(0,0,0,.4)}
.dock .r{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.dock input,.dock select{font:600 13px "IBM Plex Mono",monospace;padding:8px;border:1.5px solid var(--ink);background:var(--paper);color:var(--ink);width:100px}
.dock label{font:12px "IBM Plex Mono",monospace;color:var(--soft)}
.dmsg{font:12px "IBM Plex Mono",monospace;color:var(--soft);min-height:16px}
.acts{font:12px "IBM Plex Mono",monospace}
.acts div{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding:6px 0}
@media(min-width:760px){.cgrid{grid-template-columns:repeat(6,1fr)}.mstats{grid-template-columns:repeat(4,1fr)}}