/* zenibukuro 探索店：三個構想共用的介面。顏色取自名片（橘、山綠、海藍、墨） */
:root{--ink:#2A2420;--paper:#FFFDF8;--orange:#D9731E;--green:#2F6B3A;--blue:#5E9BD6;--sub:#6B5F55;
  --font:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;background:#1b1512;font-family:var(--font);color:#fff}
canvas{display:block;touch-action:none}
/* 四角：左上＝標題，右上＝回選單，下排＝移動鍵；右下留給 💬 */
.hud-title{position:fixed;left:max(16px,env(safe-area-inset-left));top:16px;pointer-events:none;text-shadow:0 0 2px rgba(0,0,0,.7),0 1px 10px rgba(0,0,0,.6)}
.hud-title small{display:block;font-size:13px;letter-spacing:.12em;opacity:.85}
.hud-title b{display:block;font-size:clamp(24px,3vw,32px);font-weight:900;line-height:1.2}
.hud-title span{display:block;font-size:15px;opacity:.9;margin-top:2px}
.back{position:fixed;right:max(16px,env(safe-area-inset-right));top:16px;color:#fff;text-decoration:none;font-size:15px;
  background:rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.5);border-radius:999px;padding:0 16px;min-height:44px;display:inline-flex;align-items:center}
.walk{position:fixed;left:50%;bottom:max(20px,env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;gap:12px;align-items:center}
.walk button{font:inherit;font-size:18px;color:#fff;background:rgba(0,0,0,.4);border:1px solid rgba(255,255,255,.6);border-radius:999px;
  min-width:56px;min-height:56px;padding:0 20px;cursor:pointer}
.walk button:disabled{opacity:.35;cursor:default}
.walk .hint{font-size:14px;opacity:.85;text-shadow:0 1px 6px rgba(0,0,0,.6);white-space:nowrap}
.fade{position:fixed;inset:0;background:#FFF6E8;opacity:0;pointer-events:none;transition:opacity .45s}
.fade.on{opacity:1}
#card{position:fixed;inset:0;display:none;place-items:center;background:rgba(20,14,10,.6);padding:16px;z-index:10}
#card.on{display:grid}
#card .in{position:relative;background:var(--paper);color:var(--ink);border-radius:12px;max-width:760px;width:100%;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);overflow:hidden;box-shadow:0 12px 40px rgba(0,0,0,.4)}
#card img{width:100%;height:100%;max-height:70vh;object-fit:cover;display:block}
#card .txt{padding:24px;display:flex;flex-direction:column;gap:8px}
#card b{font-size:24px}
#card p{margin:8px 0 0;line-height:1.7}
#card small{color:var(--sub);margin-top:auto}
#card .tag{align-self:flex-start;font-size:13px;padding:2px 10px;border-radius:4px;background:var(--green);color:#fff}
#card .tag.sold{background:var(--sub)}
#card button{position:absolute;right:8px;top:8px;width:44px;height:44px;border:0;border-radius:50%;background:rgba(0,0,0,.45);color:#fff;font-size:22px;cursor:pointer}
@media (max-width:600px){.walk .hint{display:none}#card .in{grid-template-columns:1fr}#card img{max-height:50vh}}