/* Niigata Heritage の HUD に合わせた渡月橋ビューアー。 */
html,body{width:100%;height:100%;margin:0;overflow:hidden;background:#0d1420}
#togetsukyoRoot{width:100%;height:100%;height:100dvh}
.tk-root{position:relative;width:100%;height:100%;overflow:hidden;background:#0d1420;color:#eef2f7;font-family:"Hiragino Sans","Yu Gothic","Noto Sans JP",system-ui,sans-serif;color-scheme:dark;-webkit-user-select:none;user-select:none;--tc-scale:1}
.tk-root canvas.togetsukyo-canvas{display:block;width:100%;height:100%;touch-action:none;outline:none}
.tk-panel{position:absolute;background:rgba(12,18,30,.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.12);border-radius:12px;box-shadow:0 6px 24px rgba(0,0,0,.35);z-index:2}
.tk-title{left:16px;top:14px;padding:10px 14px;max-width:min(420px,calc(100% - 32px));pointer-events:none}
.tk-title h1{margin:0;font-size:17px;letter-spacing:.06em;font-weight:700}
.tk-title p{margin:3px 0 0;font-size:11.5px;opacity:.75}
.tk-status{margin-top:6px;font-size:12px;color:#ffe2a0;line-height:1.5}
.tk-title .tk-gold{height:3px;border-radius:2px;margin-top:7px;background:linear-gradient(90deg,#716040,#b68e4d,#ead7a9,#c69b58,#7d7256)}
.tk-tools{right:16px;top:14px;padding:8px;display:flex;flex-direction:column;gap:6px;width:212px}
.tk-row{display:flex;gap:4px;flex-wrap:wrap}
.tk-tools label,.tk-tools .tk-label{font-size:10.5px;opacity:.7;margin:2px 2px 0}
.tk-btn{appearance:none;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#eef2f7;border-radius:8px;padding:6px 8px;font-size:12px;cursor:pointer;line-height:1.1;font-family:inherit;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.tk-btn:hover{background:rgba(255,255,255,.16)}
.tk-btn:focus-visible,.tk-tools select:focus-visible{outline:2px solid #ead7a9;outline-offset:3px}
.tk-btn[aria-pressed="true"]{background:#dfc38b;color:#1b1b1b;border-color:#dfc38b;font-weight:700}
.tk-tools select{width:100%;background:rgba(255,255,255,.08);color:#eef2f7;border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:6px;font-size:12px;font-family:inherit;touch-action:manipulation}
.tk-tools select option{background:#111a28}
.tk-ambience{display:flex;flex-direction:column;gap:6px;padding-top:6px;border-top:1px solid rgba(255,255,255,.12);min-width:0}
.tk-lighting-row{display:flex;align-items:center;gap:6px;min-width:0}
.tk-lighting-label{flex:none;font-size:10px;color:#bac3cf}
.tk-tools .tk-lighting{flex:1;width:auto;min-width:0;font-size:11.5px}
.tk-lighting-status{flex:none;font-size:10px;color:#bac3cf;white-space:nowrap}
.tk-lighting-status.is-on{color:#ffe2a0}
.tk-audio-row{display:flex;align-items:center;gap:8px;min-width:0}
.tk-audio-btn{flex:none;white-space:nowrap;min-width:86px;font-size:11.5px}
.tk-tools .tk-volume-label{display:flex;align-items:center;gap:5px;flex:1;min-width:0;margin:0;font-size:10px;opacity:1}
.tk-volume-text{flex:none;color:#bac3cf;font-size:10px}
.tk-volume{flex:1;width:0;min-width:34px;margin:0;accent-color:#dfc38b;cursor:pointer;touch-action:pan-y}
.tk-volume:focus-visible{outline:2px solid #ead7a9;outline-offset:3px;border-radius:6px}
.tk-volume-output{flex:none;min-width:29px;text-align:right;font-size:10px;color:#eef2f7;font-variant-numeric:tabular-nums}
.tk-audio-status{font-size:10px;line-height:1.4;color:#bac3cf;overflow-wrap:anywhere}
.tk-audio-status.is-error{color:#ffd9c3}
.tk-audio-btn:disabled,.tk-volume:disabled{opacity:.5;cursor:default}
.tk-vr-container:empty{display:none}
.tk-vr-container button{position:static!important;width:100%!important;bottom:auto!important;left:auto!important;margin:0!important;padding:7px 8px!important;border-radius:8px!important;font:600 12px/1.2 inherit!important;letter-spacing:0!important;background:rgba(140,112,64,.4)!important;color:#eef2f7!important}
.tk-help{right:16px;bottom:20px;padding:8px 12px;font-size:11px;line-height:1.7;opacity:.85;pointer-events:none}
.tk-help kbd{background:rgba(255,255,255,.14);border-radius:4px;padding:0 5px;font-family:inherit}
.tk-attr{position:absolute;left:50%;bottom:3px;transform:translateX(-50%);font-size:10px;line-height:1.4;color:#e8edf5;opacity:.8;text-shadow:0 1px 2px rgba(0,0,0,.8);white-space:nowrap;pointer-events:auto;z-index:3}
.tk-attr a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.tk-root.tk-pseudo-fs{position:fixed!important;inset:0!important;width:100vw!important;height:100dvh!important;z-index:2147483000;margin:0!important}
html.tk-noscroll,html.tk-noscroll body{overflow:hidden!important}
.tk-root:fullscreen{width:100%;height:100%}
.tk-btn[hidden],[hidden]{display:none!important}
.tk-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:radial-gradient(circle at 50% 40%,#253140,#0b111c);z-index:6;transition:opacity .5s;padding:24px;box-sizing:border-box;text-align:center}
.tk-loading .tk-lbar{width:min(360px,70vw);height:6px;background:rgba(255,255,255,.12);border-radius:3px;overflow:hidden}
.tk-loading .tk-lbar i{display:block;height:100%;width:0;transition:width .3s;background:linear-gradient(90deg,#8e7345,#e5cea0,#d3ad68)}
.tk-loading h2{margin:0;font-size:20px;letter-spacing:.12em}
.tk-loading p{margin:0;font-size:12px;opacity:.8;max-width:480px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}
.tk-loading.is-error{gap:16px}
.tk-loading.is-error p{color:#ffe0d6;opacity:1}
.tk-loading.is-error .tk-lbar{display:none}
.tk-loading.is-ready{opacity:0;pointer-events:none}
.tk-retry{padding:9px 16px}
.tk-touch{position:absolute;inset:0;pointer-events:none;z-index:4}
.tk-touch .tk-stick-zone{position:absolute;left:0;bottom:0;width:46%;height:50%;max-width:440px;display:none;pointer-events:auto;touch-action:none}
.tk-touch .game-stick-base{position:absolute;left:max(calc(80px * var(--tc-scale)),calc(env(safe-area-inset-left) + 72px));top:calc(100% - max(40px,env(safe-area-inset-bottom)) - 64px * var(--tc-scale));width:calc(112px * var(--tc-scale));height:calc(112px * var(--tc-scale));transform:translate(-50%,-50%);border-radius:50%;border:1px solid #bfd0e744;background:#17233455;box-shadow:inset 0 0 20px #b9ccdf10;pointer-events:none}
.tk-touch .game-stick-thumb{position:absolute;left:50%;top:50%;width:calc(46px * var(--tc-scale));height:calc(46px * var(--tc-scale));margin:calc(-23px * var(--tc-scale));border-radius:50%;border:1px solid #d2deeb99;background:#75839888;box-shadow:0 3px 10px #0003}
.tk-touch .game-stick-label{position:absolute;left:max(calc(80px * var(--tc-scale) - 40px),8px);width:80px;bottom:max(10px,env(safe-area-inset-bottom));font-size:11px;letter-spacing:.1em;color:#ecf1f7aa;text-align:center;pointer-events:none}
.tk-touch-btns{position:absolute;right:max(12px,env(safe-area-inset-right));bottom:max(40px,env(safe-area-inset-bottom));display:none;flex-direction:column;align-items:flex-end;gap:calc(10px * var(--tc-scale));pointer-events:auto}
.tk-touch-btns .tk-tbtn{width:calc(66px * var(--tc-scale));height:calc(66px * var(--tc-scale));border-radius:50%;border:1px solid #a8bdd4aa;background:#1b2431cc;color:#f6f7ff;font:700 calc(13px * var(--tc-scale))/1.15 system-ui;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;box-shadow:0 2px 12px #0004;touch-action:none;-webkit-tap-highlight-color:transparent}
.tk-touch-btns .tk-tbtn small{font:500 calc(9.5px * var(--tc-scale))/1.2 system-ui;color:#d7dde9}
.tk-touch-btns .tk-tbtn.is-held{background:#5679a5ee;border-color:#d9f5ff;transform:scale(.96)}
.tk-touch-row{display:flex;gap:calc(10px * var(--tc-scale))}
.tk-root[data-mode="orbit"] .tk-stick-zone,.tk-root[data-mode="orbit"] .tk-run{visibility:hidden;pointer-events:none}
.tk-noscript{position:absolute;left:24px;top:24px;color:#fff;font-family:system-ui,sans-serif;z-index:10}
@media (pointer:coarse){.tk-touch .tk-stick-zone{display:block}.tk-touch-btns{display:flex}.tk-help{display:none}}
@media (max-width:720px){
  .tk-touch .tk-stick-zone{display:block}.tk-touch-btns{display:flex}.tk-help{display:none}
  .tk-title{left:10px;right:10px;top:8px;padding:6px 10px;max-width:none}
  .tk-title h1{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .tk-title p,.tk-title .tk-status{display:none}.tk-title .tk-gold{margin-top:4px;height:2px}
  .tk-tools{left:10px;right:10px;top:46px;width:auto;flex-direction:row;flex-wrap:wrap;align-items:center;padding:5px;gap:4px}
  .tk-tools label,.tk-tools .tk-label{display:none}
  .tk-tools .tk-btn{padding:5px 7px;font-size:11.5px}
  .tk-tools .tk-row{gap:3px}
  .tk-tools select{width:auto;flex:1;min-width:110px;padding:4px;font-size:11.5px}
  .tk-tools .tk-quality{min-width:85px;flex:0 1 100px}
  .tk-ambience{width:100%;flex:1 0 100%;padding-top:4px;gap:3px}
  .tk-lighting-row{gap:5px}
  .tk-tools .tk-lighting{flex:0 1 176px;min-width:125px;font-size:11px;padding:4px}
  .tk-lighting-status{font-size:9.5px}
  .tk-audio-row{gap:7px}
  .tk-tools .tk-audio-btn{font-size:11px;padding:5px 7px;min-width:88px}
  .tk-tools .tk-volume-label{display:flex;max-width:190px}
  .tk-audio-status{font-size:9.5px;line-height:1.25}
  .tk-tools .tk-vr-container{flex:0 1 110px}
  .tk-tools .tk-vr-container button{font-size:11.5px!important;padding:5px 7px!important}
  .tk-attr{font-size:8px;max-width:calc(100% - 10px);white-space:normal;width:max-content;text-align:center}
  .tk-help{left:10px;right:10px;bottom:24px;font-size:10px}
}
@media (max-height:480px) and (pointer:coarse){.tk-root{--tc-scale:.8}.tk-touch .tk-stick-zone{height:44%}.tk-title{max-width:220px}.tk-tools{top:8px;left:auto;right:10px;max-width:min(360px,calc(100% - 260px))}.tk-tools select{min-width:100px}}
@media (prefers-reduced-motion:reduce){.tk-loading,.tk-loading .tk-lbar i{transition:none}}