/* 3Dviewer.tech */
:root{
  --bg:#ffffff;--sf:#ffffff;--sf2:#f7f7f7;--bd:#e7e6e2;
  --gold:#b08a45;--gold2:#8f6c2f;--tx:#26231d;--tx2:#6c675c;--tx3:#9d988c;
  --danger:#c0392b;--ok:#1a7a3a;
  --ff:"Inter","Zen Kaku Gothic New","Hiragino Kaku Gothic ProN",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--tx);font-family:var(--ff);line-height:1.7;
  font-size:15px;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--gold);text-decoration:none}
a:hover{color:var(--gold2)}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* header */
.hd{display:flex;align-items:center;justify-content:space-between;
  padding:14px 22px;border-bottom:1px solid var(--bd);position:relative}
.hd::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold) 30%,var(--gold) 70%,transparent);opacity:.45}
.logo{font-weight:700;letter-spacing:.04em;font-size:17px;color:var(--tx)}
.logo b{color:var(--gold);font-weight:700}
.hd nav{display:flex;gap:18px;font-size:13px}
.hd nav a{color:var(--tx2)}
.hd nav a:hover{color:var(--gold2)}

.notice{background:#fdf6e2;border-bottom:1px solid #ecdcae;color:var(--gold2);
  text-align:center;padding:8px 16px;font-size:13px}

main{flex:1;width:100%;max-width:1060px;margin:0 auto;padding:0 18px}

/* hero / stage */
.hero{text-align:center;padding:40px 0 8px}
.hero h1{font-size:clamp(22px,4.2vw,34px);font-weight:700;letter-spacing:.02em}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero p{color:var(--tx2);margin-top:8px;font-size:14px}
.stage{position:relative;margin:26px auto 0;border:1px solid var(--bd);border-radius:14px;
  overflow:hidden;background:
  radial-gradient(ellipse 62% 48% at 50% 40%,#ffffff 0%,#fbfbfa 60%,#f1f0ee 100%);
  box-shadow:inset 0 1px 0 #fff}
.stage canvas{display:block;width:100%;height:100%;touch-action:none}
.stage-hint{position:absolute;left:0;right:0;bottom:10px;text-align:center;
  color:var(--tx3);font-size:11px;letter-spacing:.08em;pointer-events:none}
#stage-home{height:min(82vh,740px)}
#stage-view{height:min(80vh,820px)}

/* color bar */
.cbar{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:16px;flex-wrap:wrap}
.swatch{width:38px;height:38px;border-radius:50%;border:2px solid var(--bd);padding:0;
  transition:transform .12s,border-color .12s}
.swatch:hover{transform:scale(1.08)}
.swatch.on{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,169,106,.22)}
.sw-silver{background:radial-gradient(circle at 32% 30%,#fff,#b9bcc2 55%,#7e828b)}
.sw-gold{background:radial-gradient(circle at 32% 30%,#fff3d0,#e3b65e 55%,#9a7430)}
.sw-pink{background:radial-gradient(circle at 32% 30%,#ffe9e2,#e0a899 55%,#b07a6c)}
.picker-wrap{position:relative;display:flex;align-items:center;gap:8px}
.picker-wrap input[type=color]{width:38px;height:38px;border:2px solid var(--bd);
  border-radius:50%;background:none;padding:2px;cursor:pointer}
.picker-lock{position:absolute;inset:-4px;border-radius:12px;background:rgba(250,249,246,.62);
  backdrop-filter:blur(1.5px);display:flex;align-items:center;justify-content:center;
  border:1px dashed var(--bd);cursor:pointer}
.picker-lock svg{width:16px;height:16px;fill:var(--tx2)}
.cbar-label{font-size:12px;color:var(--tx3)}

/* upload */
.up{margin:36px auto;max-width:620px;background:var(--sf);box-shadow:0 1px 4px rgba(35,30,20,.05);border:1px solid var(--bd);
  border-radius:14px;padding:26px 24px;text-align:center}
.up h2{font-size:16px;font-weight:600;margin-bottom:4px}
.up .sub{color:var(--tx2);font-size:13px;margin-bottom:18px}
.drop{border:1.5px dashed var(--bd);border-radius:10px;padding:30px 16px;color:var(--tx2);
  font-size:13px;transition:border-color .15s,background .15s;cursor:pointer}
.drop.over{border-color:var(--gold);background:rgba(201,169,106,.05)}
.btn{display:inline-block;background:var(--gold);color:#fff;border:none;border-radius:8px;
  padding:11px 26px;font-size:14px;font-weight:600;letter-spacing:.02em;transition:filter .12s}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--gold);border:1px solid var(--gold)}
.btn.sm{padding:6px 14px;font-size:12px}
.btn.ghost.on{background:#eaf0fc;border-color:#2b5fd4;color:#2b5fd4;font-weight:600}
.btn.danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}
.up .meta{margin-top:12px;font-size:12px;color:var(--tx3)}
.result{margin-top:18px;text-align:left;background:var(--sf2);border:1px solid var(--bd);
  border-radius:10px;padding:16px;display:none}
.result.show{display:block}
.result label{font-size:11px;color:var(--tx3);display:block;margin-top:10px}
.urlrow{display:flex;gap:8px;margin-top:4px}
.urlrow input{flex:1;background:var(--bg);border:1px solid var(--bd);border-radius:6px;
  color:var(--tx);padding:8px 10px;font-size:13px;font-family:ui-monospace,monospace}
.copy{background:var(--sf);border:1px solid var(--bd);color:var(--tx2);border-radius:6px;
  padding:0 12px;font-size:12px}
.copy:hover{color:var(--gold)}
.warn{color:var(--gold2);font-size:12px;margin-top:12px;line-height:1.6}
.err{color:var(--danger);font-size:13px;margin-top:12px;display:none}

/* features strip */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:8px 0 40px}
.feat div{background:var(--sf);border:1px solid var(--bd);border-radius:12px;padding:18px}
.feat h3{font-size:13.5px;color:var(--gold2);font-weight:600;margin-bottom:6px}
.feat p{font-size:12.5px;color:var(--tx2)}
@media(max-width:680px){.feat{grid-template-columns:1fr}}

/* ad slot */
.adslot{max-width:760px;margin:18px auto 8px}
.ad-house{display:flex;align-items:center;gap:12px;background:var(--sf);
  border:1px solid var(--bd);border-radius:10px;padding:12px 16px;font-size:13px;color:var(--tx2)}
.ad-house:hover{border-color:var(--gold)}
.ad-tag{font-size:9px;letter-spacing:.12em;color:var(--tx3);border:1px solid var(--bd);
  border-radius:4px;padding:1px 5px;flex-shrink:0}
.ad-body strong{color:var(--gold2)}
.ad-cta{margin-left:auto;color:var(--gold);flex-shrink:0;font-size:12px}

/* viewer page */
.vh{display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:18px 2px 0;flex-wrap:wrap}
.vh h1{font-size:16px;font-weight:600;word-break:break-all}
.vh .vm{font-size:12px;color:var(--tx3)}

/* manage page */
.mg{padding:28px 0 40px}
.mg h1{font-size:18px;margin-bottom:4px}
.mg .plan-line{color:var(--tx2);font-size:13px;margin-bottom:20px}
.mg .plan-line b{color:var(--gold)}
.card{background:var(--sf);border:1px solid var(--bd);border-radius:12px;padding:18px;margin-bottom:16px;box-shadow:0 1px 3px rgba(35,30,20,.04)}
table.tb{width:100%;border-collapse:collapse;font-size:13px}
.tb th{text-align:left;color:var(--tx3);font-weight:500;font-size:11.5px;
  border-bottom:1px solid var(--bd);padding:6px 8px}
.tb td{border-bottom:1px solid var(--bd);padding:9px 8px;vertical-align:middle}
.tb tr:last-child td{border-bottom:none}
.tb a.vl{font-family:ui-monospace,monospace;font-size:12.5px}
/* manage表: 長いファイル名/URLは折り返し、操作ボタンは右寄せで位置を揃える */
.tb td.fname{word-break:break-all;max-width:220px}
.tb td.dir{word-break:break-all;max-width:240px}
.tb a.vl{word-break:break-all}
.tb td.acts{white-space:nowrap;text-align:right}
.tb td.dir{display:flex;align-items:center;justify-content:space-between;gap:8px}
.tb td.dir .vl{flex:1;min-width:0;word-break:break-all}
.tb .act-group{display:inline-flex;gap:4px;flex:none;white-space:nowrap}
.mg .keep{background:#fdf6e2;border:1px solid #ecdcae;border-radius:10px;
  padding:12px 16px;font-size:12.5px;color:var(--gold2);margin-bottom:18px}

/* text pages */
.tp{max-width:720px;margin:0 auto;padding:36px 0 60px}
.tp h1{font-size:20px;margin-bottom:18px;padding-bottom:10px;border-bottom:1px solid var(--bd)}
.tp .body{color:var(--tx)}
.tp .body p{margin:10px 0}

/* footer */
footer{border-top:1px solid var(--bd);margin-top:auto;padding:20px 22px;
  display:flex;gap:16px;flex-wrap:wrap;justify-content:center;font-size:12px;color:var(--tx3)}
footer a{color:var(--tx3)}
footer a:hover{color:var(--gold2)}

/* modal */
.modal{position:fixed;inset:0;background:rgba(40,36,28,.35);display:none;
  align-items:center;justify-content:center;z-index:50;padding:18px}
.modal.show{display:flex}
.modal .box{background:var(--sf);border:1px solid var(--bd);border-radius:12px;
  max-width:420px;width:100%;padding:24px;text-align:center}
.modal h3{font-size:15px;margin-bottom:8px;color:var(--gold2)}
.modal p{font-size:13px;color:var(--tx2);margin-bottom:18px}

@media(max-width:560px){
  .hd{padding:12px 14px}
  .hd nav{gap:12px}
  main{padding:0 12px}
  .hero{padding:26px 0 4px}
}

.exp{display:flex;gap:8px;align-items:center;justify-content:center;margin-top:16px;flex-wrap:wrap}
.chip{background:var(--sf2);border:1px solid var(--bd);color:var(--tx2);border-radius:999px;padding:6px 16px;font-size:12.5px;transition:background .12s,color .12s}
.chip.on{background:var(--gold);border-color:var(--gold);color:#fff;font-weight:600}
.chip.locked{color:var(--tx3);background:var(--bg);border-style:dashed}
.chip.locked::after{content:" \1F512";font-size:10px}

.tagline{font-size:12px;color:var(--tx3);letter-spacing:.02em}


.upnote{font-size:11.5px;color:var(--tx3);margin-top:10px}

@media(max-width:680px){.tagline{display:inline;font-size:9.5px;margin-left:8px}}

@media(max-width:680px){#stage-home{height:56vh}#stage-view{height:60vh}}

/* ===== ProTools palette ===== */
.pt-wrap{position:relative;display:inline-block;vertical-align:middle}
.pt-btn{background:#fff;border:1px solid var(--bd);border-radius:8px;padding:4px 8px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;line-height:1;color:var(--tx2);font-size:12px;vertical-align:middle}
.pt-btn:hover{border-color:var(--gold)}
.pt-btn.open{border-color:var(--gold);background:#fbf7ef}
.pt-btn svg{width:22px;height:18px;display:block}
.pt-menu{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);
  background:#fff;border:1px solid var(--bd);border-radius:10px;box-shadow:0 8px 28px rgba(35,30,20,.18);
  padding:0 0 6px;display:none;flex-direction:column;gap:4px;min-width:170px;max-width:min(92vw,300px);z-index:60}
.pt-menu.open{display:flex}
.pt-menu.min{min-width:0}
.pt-menu.min .pt-body{display:none}
.pt-menu.min .pt-head{border-bottom:none;border-radius:10px}
.pt-min{background:transparent;border:none;cursor:pointer;color:var(--tx3);font-size:14px;line-height:1;padding:2px 4px;border-radius:5px}
.pt-min:hover{background:var(--bd);color:var(--tx)}
.pt-head{display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:7px 10px;border-bottom:1px solid var(--bd);cursor:move;user-select:none;
  background:var(--sf2);border-radius:10px 10px 0 0;touch-action:none}
.pt-head .pt-title{font-size:12px;color:var(--tx2);font-weight:600;display:flex;align-items:center;gap:6px}
.pt-head .pt-title svg{width:18px;height:15px;display:block}
.pt-close{background:transparent;border:none;cursor:pointer;color:var(--tx3);font-size:16px;line-height:1;padding:2px 4px;border-radius:5px}
.pt-close:hover{background:var(--bd);color:var(--tx)}
.pt-body{display:flex;flex-direction:column;gap:4px;padding:6px}
.pt-item{background:transparent;border:none;border-radius:6px;padding:8px 10px;cursor:pointer;
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tx);text-align:left;width:100%}
.pt-item:hover{background:var(--sf2)}
.pt-item.on{background:#eaf0fc;color:#2b5fd4;font-weight:600}
.pt-item .ic{width:18px;text-align:center;flex:none}

/* ProTools: ツール直下のサブ操作行（B案ツリー） */
.pt-sub{display:flex;flex-direction:column;gap:4px;padding:4px 6px 6px 22px;margin:0 2px 2px;
  background:var(--sf2);border-radius:0 0 8px 8px}
.pt-uc{background:#fff;border:1px solid var(--bd);border-radius:6px;cursor:pointer;
  padding:6px 10px;font-size:12px;color:var(--tx2);display:flex;align-items:center;gap:6px}
.pt-uc:hover{border-color:var(--gold)}
.pt-uc .ic{width:16px;text-align:center;flex:none}

/* ProTools: テキスト色・サイズ選択（新規追加） */
.pt-opts{display:flex;flex-direction:column;gap:8px}
.pt-opt-row{display:flex;gap:10px;align-items:center}
.tcolor{width:28px;height:28px;border-radius:50%;border:2px solid #ccc;cursor:pointer;padding:0;flex:none}
.tcolor.on{border-color:var(--gold);box-shadow:0 0 0 2px #fff inset}
.gcolor{width:30px;height:30px;border-radius:50%;border:2px solid #ccc;cursor:pointer;padding:0;flex:none}
.gcolor.on{border-color:var(--gold);box-shadow:0 0 0 2px #fff inset}
.tsize{flex:1;background:#fff;border:1px solid var(--bd);border-radius:6px;cursor:pointer;padding:6px 0;font-size:12px;color:var(--tx2)}
.tsize.on{border-color:#2b5fd4;color:#2b5fd4;font-weight:600;background:#eaf0fc}
/* ProTools: フリーハンド 色・太さ（新規追加） */
.fhcolor{width:28px;height:28px;border-radius:50%;border:2px solid #ccc;cursor:pointer;padding:0;flex:none}
.fhcolor.on{border-color:var(--gold);box-shadow:0 0 0 2px #fff inset}
.fhwidth{flex:1;background:#fff;border:1px solid var(--bd);border-radius:6px;cursor:pointer;padding:6px 0;font-size:12px;color:var(--tx2)}
.fhwidth.on{border-color:#2b5fd4;color:#2b5fd4;font-weight:600;background:#eaf0fc}
/* ProTools: 重量(Volume)ラベル */
.wt-label{user-select:none}
.wt-label .wt-u{font-size:.72em;letter-spacing:-.02em}

/* ProTools: 高さ可変＋スクロール */
.pt-body{max-height:var(--pt-bodyh,52vh);overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.pt-resize{flex:none;height:22px;display:flex;align-items:center;justify-content:center;cursor:ns-resize;touch-action:none;background:#f4f2ee;border-top:1px solid var(--bd);border-bottom:1px solid var(--bd)}
.pt-resize::before{content:"";width:40px;height:5px;border-radius:3px;background:var(--tx3);box-shadow:0 4px 0 -1px var(--bd),0 -4px 0 -1px var(--bd)}
.pt-resize:active{background:#eef6f0}
.pt-resize:active::before{background:var(--tx2)}
.pt-menu.min .pt-resize{display:none}

/* 言語ドロップダウン（🌐） */
.lang-dd{position:relative;display:flex;justify-content:flex-end;margin:8px 0 0}
.lang-dd-btn{display:inline-flex;align-items:center;gap:5px;background:#fff;border:1px solid var(--bd);border-radius:8px;padding:5px 10px;font-size:13px;color:var(--tx2);cursor:pointer;line-height:1}
.lang-dd-btn:hover{background:var(--sf2,#f9f8f5)}
.lang-dd-btn .gl{font-size:14px}
.lang-dd-btn .cv{font-size:10px;color:var(--tx3)}
.lang-dd-menu{position:absolute;top:100%;right:0;margin-top:4px;background:#fff;border:1px solid var(--bd);border-radius:8px;box-shadow:0 8px 24px rgba(35,30,20,.16);padding:4px;min-width:120px;z-index:80;display:none}
.lang-dd.open .lang-dd-menu{display:block}
.lang-dd-menu button{display:block;width:100%;text-align:left;background:transparent;border:none;border-radius:6px;padding:8px 10px;font-size:13px;color:var(--tx);cursor:pointer}
.lang-dd-menu button:hover{background:var(--sf2,#f9f8f5)}
.lang-dd-menu button.on{background:#eef6f0;color:var(--tx);font-weight:600}

/* ProTools ヘルプの丸ボタン（min側にしか無かったため本体に追記） */
.pt-help{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;border:1.5px solid var(--gold);color:var(--gold2);font-size:13px;font-weight:700;text-decoration:none;margin-left:8px;vertical-align:middle;line-height:1;cursor:pointer;background:#fff}

/* ---- viewer loading tip (checking / reading) ---- */
.dv-loading{
  position:absolute; inset:0; display:flex;
  align-items:center; justify-content:center;
  font-size:15px; letter-spacing:.18em; text-transform:lowercase;
  color:var(--tx2,#8890a0); pointer-events:none; z-index:5;
}
.dv-loading span{ position:absolute; opacity:0; animation:dvFade 3.2s ease-in-out infinite; }
.dv-loading span:nth-child(2){ animation-delay:1.6s; }
@keyframes dvFade{
  0%,100%{ opacity:0 }
  15%,35%{ opacity:.85 }
  50%,100%{ opacity:0 }
}