:root{
  --ink:#2b2a26; --paper:#f7f4ec; --line:#e2dccc;
  --navy:#1f2740; --brass:#b9933f; --brass-d:#8a6d23;
  --panel:rgba(247,244,236,.96); --shadow:0 18px 50px rgba(20,18,12,.28);
  --r:14px; --serif:"Hiragino Mincho ProN","Yu Mincho",serif;
  --sans:-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;font-family:var(--sans);color:var(--ink);background:#1a1a1a}
#scene{position:fixed;inset:0;width:100vw;height:100vh;display:block;touch-action:none}

/* ===== トップバー ===== */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;gap:14px;
  padding:12px 18px;background:linear-gradient(180deg,rgba(20,18,12,.55),rgba(20,18,12,0));
  color:#fff;pointer-events:none;
}
.topbar > *{pointer-events:auto}
.brand{font-family:var(--serif);font-weight:600;font-size:18px;letter-spacing:.04em;display:flex;align-items:center;gap:8px}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--brass);box-shadow:0 0 10px var(--brass)}
.m-meta{display:flex;flex-direction:column;line-height:1.25;min-width:0}
#m-name{font-family:var(--serif);font-size:17px;font-weight:600;cursor:default;max-width:42vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
body[data-mode="edit"] #m-name{cursor:text;text-decoration:underline dotted rgba(255,255,255,.4)}
#m-count{font-size:12px;opacity:.82}
.spacer{flex:1}
.btn{
  border:0;border-radius:999px;padding:9px 15px;font-size:13px;font-weight:600;cursor:pointer;
  background:rgba(255,255,255,.14);color:#fff;backdrop-filter:blur(8px);transition:.15s;white-space:nowrap;
}
.btn:hover{background:rgba(255,255,255,.26)}
.btn.primary{background:var(--brass);color:#241b03}
.btn.primary:hover{background:#cda74e}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.3)}
.toggle{display:flex;background:rgba(0,0,0,.3);border-radius:999px;padding:3px}
.toggle button{border:0;background:transparent;color:#fff;font-weight:600;font-size:13px;padding:7px 16px;border-radius:999px;cursor:pointer;opacity:.7}
.toggle button.active{background:#fff;color:var(--ink);opacity:1}

/* ===== 編集バー ===== */
.editbar{
  position:fixed;left:50%;transform:translateX(-50%);bottom:22px;z-index:20;display:flex;gap:10px;
  background:var(--panel);padding:10px 12px;border-radius:999px;box-shadow:var(--shadow);
}
.editbar.hidden{display:none}
.editbar .btn{background:var(--navy);color:#fff}
.editbar .btn:hover{background:#2c3a5c}
.editbar .btn.brass{background:var(--brass);color:#241b03}

/* ===== ビネット（画面周辺の減光。没入感を高める） ===== */
.vignette{position:fixed;inset:0;z-index:5;pointer-events:none;background:radial-gradient(ellipse at center, transparent 60%, rgba(10,8,4,.36) 100%)}

/* ===== クロスヘア ===== */
#crosshair{position:fixed;left:50%;top:50%;width:20px;height:20px;transform:translate(-50%,-50%);z-index:10;pointer-events:none}
#crosshair::before,#crosshair::after{content:"";position:absolute;background:rgba(255,255,255,.7);box-shadow:0 0 3px rgba(0,0,0,.6)}
#crosshair::before{left:9px;top:3px;width:2px;height:14px}
#crosshair::after{top:9px;left:3px;height:2px;width:14px}
#crosshair.hidden{display:none}

/* ===== 選択パネル ===== */
.panel{
  position:fixed;top:74px;right:16px;width:300px;max-height:calc(100vh - 120px);overflow:auto;z-index:25;
  background:var(--panel);border-radius:var(--r);box-shadow:var(--shadow);padding:16px;
}
.panel.hidden{display:none}
.panel h3{margin:0 0 12px;font-family:var(--serif);font-size:15px}
.sp-thumb{width:100%;height:120px;border-radius:10px;background:#ddd center/cover no-repeat;border:1px solid var(--line);margin-bottom:12px}
.field{margin-bottom:12px}
.field label{display:block;font-size:11px;font-weight:700;color:#7a7363;margin-bottom:5px;letter-spacing:.04em}
.field input[type=text],.field textarea,.field select{
  width:100%;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:13px;font-family:var(--sans);background:#fff;color:var(--ink)
}
.field textarea{resize:vertical;min-height:54px;line-height:1.5}
.field input[type=range]{width:100%}
.row{display:flex;gap:8px}
.row > *{flex:1}
.btn-ai{width:100%;border:0;border-radius:8px;padding:9px;background:var(--navy);color:#fff;font-weight:600;font-size:12.5px;cursor:pointer}
.btn-ai:hover{background:#28304d}
.nudge{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin-top:6px}
.nudge button{border:1px solid var(--line);background:#fff;border-radius:7px;padding:7px;cursor:pointer;font-size:14px}
.nudge button:hover{background:#f0ead9}
.nudge .sp{visibility:hidden}
.btn-nft{width:100%;border:0;border-radius:8px;padding:10px;background:linear-gradient(135deg,#7b3fe4,#3f7fe4);color:#fff;font-weight:700;font-size:12.5px;cursor:pointer;margin-top:4px}
.btn-nft.minted{background:#1b9e6a}
.btn-del{width:100%;border:1px solid #e7b4b4;background:#fff;color:#b23a3a;border-radius:8px;padding:8px;font-weight:600;font-size:12px;cursor:pointer;margin-top:8px}
.btn-del:hover{background:#fbeaea}
.hr{height:1px;background:var(--line);margin:12px 0}

/* ===== gaze キャプション ===== */
.gaze{
  position:fixed;left:50%;bottom:34px;transform:translateX(-50%);z-index:15;max-width:min(560px,86vw);
  background:rgba(20,18,12,.74);color:#fff;backdrop-filter:blur(10px);border-radius:12px;padding:14px 20px;text-align:center;
  border:1px solid rgba(185,147,63,.45);transition:opacity .25s;
}
.gaze.hidden{opacity:0;pointer-events:none}
.gaze-title{font-family:var(--serif);font-size:17px;font-weight:600;margin-bottom:4px}
.gaze-caption{font-size:13px;opacity:.86;line-height:1.6}
.gaze-nft{display:inline-block;margin-top:7px;font-size:10.5px;font-weight:700;background:#1b9e6a;color:#fff;padding:2px 9px;border-radius:999px}
.gaze-nft.hidden{display:none}

/* ===== wallet chip / hint / toast ===== */
.wallet-chip{position:fixed;top:60px;right:16px;z-index:18;background:rgba(20,18,12,.7);color:#fff;font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px}
.wallet-chip.hidden{display:none}
.hint{position:fixed;left:18px;bottom:20px;z-index:12;color:rgba(255,255,255,.82);font-size:12px;text-shadow:0 1px 4px rgba(0,0,0,.7);max-width:46vw}
.toast{position:fixed;left:50%;top:64px;transform:translate(-50%,-12px);z-index:40;background:var(--ink);color:#fff;padding:11px 20px;border-radius:999px;font-size:13.5px;font-weight:600;opacity:0;transition:.25s;pointer-events:none;box-shadow:var(--shadow)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ===== 入館ウェルカム ===== */
.welcome{position:fixed;inset:0;z-index:55;display:flex;align-items:center;justify-content:center;background:rgba(16,14,10,.58);backdrop-filter:blur(14px);transition:opacity .45s}
.welcome.hidden{opacity:0;pointer-events:none}
.w-card{text-align:center;color:#f7f4ec;max-width:540px;padding:40px 30px}
.w-kicker{letter-spacing:.34em;font-size:12px;color:var(--brass);font-weight:700;margin-bottom:14px}
.w-name{font-family:var(--serif);font-size:clamp(24px,4vw,38px);margin:0 0 10px;font-weight:600}
.w-desc{font-size:13.5px;opacity:.78;margin:0 0 26px;line-height:1.9}
.w-controls{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:30px;font-size:12.5px;text-align:left}
.w-controls div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);border-radius:10px;padding:10px 12px}
.w-controls b{display:block;color:var(--brass);font-size:11px;letter-spacing:.1em;margin-bottom:3px}
.w-enter{border:0;border-radius:999px;padding:14px 48px;font-size:15px;font-weight:700;background:var(--brass);color:#241b03;cursor:pointer;transition:.2s}
.w-enter:hover{background:#cda74e;transform:translateY(-1px)}
@media (max-width:640px){ .w-controls{grid-template-columns:1fr} }

/* ===== 閲覧専用モード（?view=1）: 編集系UIを隠す ===== */
body[data-view="1"] .toggle,
body[data-view="1"] #btn-wallet{display:none}

/* ツアー中はボタンを強調 */
body[data-tour="1"] #btn-tour{background:var(--brass);color:#241b03}

/* ===== AIおまかせ作成ウィザード ===== */
.wizard{position:fixed;inset:0;z-index:56;display:flex;align-items:center;justify-content:center;background:rgba(16,14,10,.62);backdrop-filter:blur(14px);transition:opacity .45s;overflow:auto}
.wizard.hidden{display:none}
.wz-card{text-align:center;color:#f7f4ec;max-width:560px;width:calc(100% - 40px);padding:38px 26px}
.wz-title{font-family:var(--serif);font-size:clamp(22px,3.6vw,32px);margin:0 0 10px;font-weight:600;line-height:1.4}
.wz-lead{font-size:13.5px;opacity:.78;margin:0 0 22px;line-height:1.9}
.wz-drop{border:2px dashed rgba(255,255,255,.35);border-radius:16px;padding:34px 20px;cursor:pointer;font-size:15px;transition:.2s;line-height:1.7}
.wz-drop span{display:block;font-size:12px;opacity:.6}
.wz-drop:hover,.wz-drop.over{border-color:var(--brass);background:rgba(185,147,63,.08)}
.wz-thumbs{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:14px 0 4px;max-height:132px;overflow:auto}
.wz-thumbs img{width:56px;height:56px;object-fit:cover;border-radius:8px;border:1px solid rgba(255,255,255,.25)}
.wz-count{font-size:12px;opacity:.7;margin-bottom:16px;min-height:16px}
.wz-bar{height:5px;background:rgba(255,255,255,.14);border-radius:3px;overflow:hidden;margin:22px 0 18px}
.wz-bar i{display:block;height:100%;width:0;background:var(--brass);border-radius:3px;transition:width .4s ease}
.wz-log{font-size:12.5px;opacity:.72;line-height:2;max-height:130px;overflow:auto;text-align:left;padding:0 12px}
.wz-log div::before{content:"✓ ";color:var(--brass)}
.wz-save{display:inline-block;margin-top:14px;font-size:13px;color:var(--brass);text-decoration:none;border:1px solid rgba(185,147,63,.5);border-radius:999px;padding:10px 22px}
.wz-save:hover{background:rgba(185,147,63,.12)}
.wz-save.hidden{display:none}
.wz-card-preview{margin:18px 0 8px}
.wz-card-preview.hidden{display:none}
.wz-card-preview img{width:100%;max-width:420px;border-radius:12px;box-shadow:0 12px 32px rgba(0,0,0,.35);display:block;margin:0 auto}
.wz-card-row{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:12px;flex-wrap:wrap}
.wz-card-row span{font-size:12.5px;opacity:.8}
.wz-card-row button{border:1px solid rgba(185,147,63,.6);background:transparent;color:var(--brass);border-radius:999px;padding:8px 18px;font-size:13px;font-weight:600;cursor:pointer}
.wz-card-row button:hover{background:rgba(185,147,63,.12)}
#wz-go:disabled{opacity:.4;cursor:not-allowed;transform:none}
.wz-step.hidden{display:none}

/* ===== 決済完了バナー ===== */
.paid-banner{position:fixed;inset:0;z-index:58;display:flex;align-items:center;justify-content:center;background:rgba(16,14,10,.6);backdrop-filter:blur(14px);transition:opacity .4s}
.paid-banner.hidden{display:none}
.pb-card{text-align:center;color:#f7f4ec;max-width:480px;width:calc(100% - 40px);padding:38px 28px}
.pb-title{font-family:var(--serif);font-size:clamp(22px,3.6vw,30px);margin:10px 0;font-weight:600;line-height:1.5}
.pb-note{font-size:13.5px;opacity:.8;line-height:1.9;margin:0 0 26px}
.pb-actions{display:flex;flex-direction:column;gap:12px;align-items:center}
.pb-sub{border:1px solid rgba(185,147,63,.55);background:transparent;color:var(--brass);border-radius:999px;padding:12px 32px;font-size:14px;font-weight:600;cursor:pointer}
.pb-sub:hover{background:rgba(185,147,63,.12)}
.pb-close{margin-top:20px;background:none;border:0;color:rgba(255,255,255,.6);font-size:13px;cursor:pointer;text-decoration:underline}
.pb-close:hover{color:#fff}

/* ===== loading ===== */
.loading{position:fixed;inset:0;z-index:60;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#15140f;color:#f7f4ec;transition:opacity .5s}
.loading.hidden{opacity:0;pointer-events:none}
.loading .lg{font-family:var(--serif);font-size:26px;letter-spacing:.18em;margin-bottom:10px}
.loading .sub{font-size:12px;opacity:.6;letter-spacing:.1em}
.loading .bar{margin-top:22px;width:160px;height:3px;background:rgba(255,255,255,.15);border-radius:2px;overflow:hidden}
.loading .bar i{display:block;height:100%;width:40%;background:var(--brass);animation:slide 1.1s ease-in-out infinite}
@keyframes slide{0%{margin-left:-40%}100%{margin-left:100%}}

/* ===== 仮想スティック（モバイル） ===== */
.vstick{position:fixed;left:24px;bottom:24px;width:120px;height:120px;border-radius:50%;background:rgba(255,255,255,.12);border:2px solid rgba(255,255,255,.25);z-index:30;touch-action:none}
.vstick-knob{position:absolute;left:50%;top:50%;width:52px;height:52px;margin:-26px 0 0 -26px;border-radius:50%;background:rgba(255,255,255,.55)}

@media (max-width:640px){
  .panel{width:calc(100vw - 24px);right:12px;top:64px;max-height:48vh}
  #m-name{max-width:38vw}
  .hint{display:none}
}

/* --- 公開設定モーダル --- */
.share-modal{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;background:rgba(20,18,14,.55);backdrop-filter:blur(3px)}
.share-modal.hidden{display:none}
.share-box{position:relative;width:min(440px,92vw);background:#faf8f2;color:#2b2a26;border-radius:16px;padding:24px 22px 20px;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.share-box h3{margin:0 0 14px;font-family:"Hiragino Mincho ProN",serif;font-size:18px}
.share-close{position:absolute;top:10px;right:12px;border:0;background:transparent;font-size:24px;line-height:1;color:#8a8172;cursor:pointer}
.vis-opts{display:flex;flex-direction:column;gap:8px}
.vis-opt{display:flex;gap:11px;align-items:flex-start;padding:11px 13px;border:1px solid #e4dccb;border-radius:11px;cursor:pointer;transition:border-color .15s,background .15s}
.vis-opt:hover{background:#f2ece0}
.vis-opt:has(input:checked){border-color:#b9933f;background:#f6efdd}
.vis-opt input{margin-top:3px;accent-color:#b9933f}
.vis-opt b{display:block;font-size:14px}
.vis-opt span{display:block;font-size:12px;color:#7d7669;margin-top:2px}
.share-note{font-size:12px;color:#6b6456;background:#f1ece0;border-radius:9px;padding:10px 12px;margin:14px 0 0;line-height:1.6}
.share-link-row{display:flex;gap:8px;margin-top:12px}
.share-link-row.hidden{display:none}
.share-link-row input{flex:1;min-width:0;border:1px solid #e4dccb;border-radius:9px;padding:9px 11px;font-size:12px;background:#fff;color:#2b2a26}
.share-status{font-size:12.5px;color:#7d7669;margin-top:10px;min-height:18px}
.share-status.err{color:#a3432b}
.share-status.ok{color:#3f7d4a}

/* --- 出口ボタン（出口付近で表示） --- */
.exit-btn{position:fixed;left:50%;bottom:96px;transform:translateX(-50%);z-index:45;border:0;border-radius:999px;
  padding:13px 30px;font-size:14px;font-weight:700;font-family:var(--sans);color:#241b03;background:var(--brass);
  box-shadow:0 10px 30px rgba(20,18,12,.4);cursor:pointer;transition:.2s;animation:exitPulse 1.8s ease-in-out infinite}
.exit-btn:hover{background:#cda74e;transform:translateX(-50%) translateY(-2px)}
.exit-btn.hidden{display:none}
@keyframes exitPulse{0%,100%{box-shadow:0 10px 30px rgba(20,18,12,.4)}50%{box-shadow:0 10px 34px rgba(185,147,63,.65)}}

/* --- ロビー（退館後：感想ノート＋ショップ） --- */
.lobby{position:fixed;inset:0;z-index:59;display:flex;align-items:center;justify-content:center;
  background:rgba(16,14,10,.62);backdrop-filter:blur(14px);transition:opacity .4s;overflow:auto;padding:24px 0}
.lobby.hidden{display:none}
.lobby-box{position:relative;width:min(620px,92vw);background:var(--paper);color:var(--ink);border-radius:18px;
  padding:30px 26px 26px;box-shadow:0 24px 70px rgba(0,0,0,.45);max-height:calc(100vh - 48px);overflow:auto}
.lobby-back{position:absolute;top:14px;left:16px;border:0;background:transparent;font-size:13px;font-weight:600;color:#8a8172;cursor:pointer}
.lobby-back:hover{color:var(--ink)}
.lobby-head{text-align:center;margin:6px 0 18px}
.lobby-name{font-family:var(--serif);font-size:24px;font-weight:600;margin:4px 0 8px}
.lobby-sub{font-size:12.5px;color:#7d7669;margin:0;line-height:1.6}
.lobby-tabs{display:flex;gap:8px;justify-content:center;margin-bottom:18px}
.lobby-tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 20px;font-size:13px;font-weight:600;color:#7d7669;cursor:pointer;transition:.15s;font-family:var(--sans)}
.lobby-tab.active{background:var(--navy);border-color:var(--navy);color:#fff}
.lobby-pane.hidden{display:none}

/* 感想ノート */
.gb-form{display:flex;flex-direction:column;gap:9px;margin-bottom:16px}
.gb-form input,.gb-form textarea{border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:14px;font-family:var(--sans);background:#fff;color:var(--ink);resize:vertical}
.gb-form input:focus,.gb-form textarea:focus{outline:none;border-color:var(--brass)}
.gb-form .btn.primary{align-self:flex-end;border:0;border-radius:999px;padding:10px 26px;font-weight:700;cursor:pointer}
.gb-status{font-size:12.5px;color:#7d7669;min-height:18px;margin-bottom:10px}
.gb-status.err{color:#a3432b}.gb-status.ok{color:#3f7d4a}
.gb-list{display:flex;flex-direction:column;gap:10px}
.gb-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.gb-item .gb-who{font-size:12px;color:#8a8172;font-weight:600;margin-bottom:4px;display:flex;justify-content:space-between}
.gb-item .gb-text{font-size:14px;line-height:1.6;white-space:pre-wrap;word-break:break-word}
.gb-empty{text-align:center;color:#9a9284;font-size:13px;padding:20px 0}

/* ショップ */
.shop-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:520px){.shop-grid{grid-template-columns:1fr}}
.shop-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:8px}
.shop-card .sc-emoji{font-size:26px}
.shop-card .sc-title{font-family:var(--serif);font-size:15px;font-weight:600}
.shop-card .sc-desc{font-size:12px;color:#7d7669;line-height:1.55;flex:1}
.shop-card .sc-price{font-size:13px;font-weight:700;color:var(--brass-d)}
.shop-card .sc-buy{border:0;border-radius:999px;padding:10px;font-size:13px;font-weight:700;cursor:pointer;background:var(--navy);color:#fff;transition:.15s}
.shop-card .sc-buy:hover{background:#2c3a5c}
.shop-card .sc-buy.brass{background:var(--brass);color:#241b03}
.shop-card .sc-buy.brass:hover{background:#cda74e}
.shop-card .sc-buy:disabled{background:#d8d2c4;color:#948c7d;cursor:default}
.shop-note{font-size:12px;color:#7d7669;background:#f1ece0;border-radius:9px;padding:10px 12px;margin-top:14px;line-height:1.6}

/* --- ロビー下部：外に出る（みんなの美術館へ） --- */
.lobby-exit{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);text-align:center}
.lobby-leave{display:inline-block;text-decoration:none;border:0;border-radius:999px;padding:12px 30px;font-size:14px;font-weight:700;font-family:var(--sans);color:#241b03;background:var(--brass);box-shadow:0 8px 24px rgba(20,18,12,.28);cursor:pointer;transition:.2s}
.lobby-leave:hover{background:#cda74e;transform:translateY(-1px)}