:root {
  color-scheme:dark;
  --bg:#111617;
  --text:#dce2e2;
  --muted:#869b9f;
  --dim:#668088;
  --line:rgba(155,179,183,.14);
  --accent:#dab295;
  --blue:#8cbdcb;
  --panel:#192124;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  font-family:Arial,"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  font-synthesis:none
}
* {
  box-sizing:border-box
}
html,body {
  margin:0;
  width:100%;
  min-height:100%;
  background:var(--bg)
}
body {
  overflow:hidden
}
button,a,input,select {
  -webkit-tap-highlight-color:transparent
}
button,select,input {
  font:inherit
}
button {
  color:inherit;
  cursor:pointer;
  background:none;
  border:0
}
a {
  color:inherit;
  text-decoration:none
}
button:disabled {
  opacity:.35;
  cursor:not-allowed
}
button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,canvas:focus-visible {
  outline:2px solid var(--accent);
  outline-offset:5px
}
svg {
  width:21px;
  height:21px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.3;
  stroke-linecap:round;
  stroke-linejoin:round;
  flex:none
}
button svg {
  pointer-events:none
}
.icon-defs {
  position:absolute;
  width:0;
  height:0;
  overflow:hidden
}
.mono {
  font-family:var(--mono);
  font-weight:400;
  letter-spacing:.14em
}
.observatory {
  position:relative;
  width:100%;
  height:100svh;
  min-height:650px;
  overflow:hidden;
  background:radial-gradient(ellipse at 57% 46%,#1c272a55,transparent 60%),linear-gradient(110deg,#111516,#13191b 62%,#101617)
}
.header {
  position:absolute;
  inset:0 36px auto;
  height:86px;
  display:flex;
  align-items:center;
  z-index:5
}
.inspection-views {
  position:absolute;
  top:100px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:4px;
  padding:4px;
  border:1px solid var(--line);
  border-radius:6px;
  background:#11191c99;
  backdrop-filter:blur(4px);
  z-index:4;
  white-space:nowrap
}
.inspection-views button {
  min-height:34px;
  padding:0 14px;
  border-radius:3px;
  color:var(--muted);
  font-size:11px;
  letter-spacing:.05em
}
.inspection-views button[aria-pressed="true"] {
  background:#d6a3831a;
  color:var(--accent)
}
.inspection-views button:hover { color:var(--text); }
.inspection-views button:focus-visible { outline:2px solid var(--accent);outline-offset:2px; }
.brand {
  display:flex;
  align-items:center;
  white-space:nowrap;
  font-size:26px;
  letter-spacing:.21em;
  font-weight:600;
  gap:13px
}
.trademark {
  font-size:9px;
  letter-spacing:0;
  align-self:flex-start;
  padding-top:3px;
  margin-left:-7px
}
.brand-mark {
  display:flex;
  flex-direction:column;
  gap:4px;
  width:24px;
  transform:skewX(-22deg);
  margin:0 3px
}
.brand-mark i {
  display:block;
  height:4px;
  background:var(--accent)
}
.brand-mark i:nth-child(2) {
  width:75%
}
.brand-mark i:nth-child(3) {
  width:45%
}
.header-caption {
  font-size:8px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:20px;
  margin-left:52px
}
.header-caption>span {
  width:25px;
  height:1px;
  background:#4e6166
}
.tools {
  display:flex;
  align-items:center;
  gap:16px;
  margin-left:auto
}
.icon-button {
  width:35px;
  height:36px;
  display:inline-flex;
  justify-content:center;
  align-items:center;
  color:#91a7ac;
  border-radius:4px;
  transition:color .2s,background .2s
}
.icon-button:hover {
  background:#ffffff08;
  color:var(--accent)
}
.icon-button[aria-pressed=true] {
  color:var(--accent)
}
.quality {
  width:auto;
  gap:6px;
  font-size:9px;
  font-family:var(--mono)
}
.tools svg {
  width:19px;
  height:19px
}
.ghost-type {
  position:absolute;
  left:30%;
  top:16%;
  font-size:clamp(170px,28vw,450px);
  font-weight:700;
  color:#90a9b204;
  letter-spacing:-.1em;
  white-space:nowrap;
  pointer-events:none
}
.introduction {
  position:absolute;
  left:40px;
  top:13.5%;
  bottom:23.5%;
  width:300px;
  z-index:2;
  pointer-events:none;
  transition:opacity .4s,transform .4s
}
.introduction button {
  pointer-events:auto
}
.eyebrow {
  font-size:9px;
  color:#9bafb2;
  display:flex;
  gap:14px;
  align-items:center;
  margin:0 0 27px;
  letter-spacing:.2em
}
.eyebrow>span {
  width:20px;
  height:1px;
  background:var(--accent)
}
h1 {
  font-weight:400;
  font-size:clamp(49px,5vw,75px);
  line-height:1.08;
  letter-spacing:-.052em;
  margin:0 0 30px
}
h1 em {
  font-style:normal;
  color:#80969b
}
.intro-copy {
  font-size:12px;
  color:#94a7ab;
  line-height:2.05;
  margin:0 0 36px
}
.engine-spec {
  display:flex;
  gap:13px;
  align-items:flex-start;
  margin-bottom:32px
}
.tiny-line {
  width:8px;
  height:2px;
  background:var(--accent);
  margin-top:8px
}
.engine-spec h2 {
  font-size:10px;
  letter-spacing:.2em;
  margin:0 0 10px
}
.engine-spec p {
  font-size:8px;
  color:#8ca5ac;
  margin:0
}
.explore-link {
  padding:8px 0 12px;
  display:flex;
  align-items:center;
  gap:24px;
  border-bottom:1px solid #62777d60;
  font-size:12px;
  letter-spacing:.06em
}
.explore-link svg {
  width:17px;
  transition:transform .2s
}
.explore-link:hover svg {
  transform:translateX(5px)
}
.bore {
  position:absolute;
  bottom:0
}
.bore p {
  font-family:var(--mono);
  font-size:21px;
  margin:0 0 8px;
  letter-spacing:-.06em
}
.bore p small {
  font-size:9px;
  color:var(--muted);
  margin-left:6px;
  letter-spacing:.1em
}
.bore>span {
  display:block;
  font-size:8px;
  color:#7999a3;
  letter-spacing:.2em
}
.bore .motto {
  font-size:7px;
  margin-top:25px
}
.viewport {
  position:absolute;
  inset:0;
  z-index:1;
  touch-action:none
}
.viewport canvas {
  width:100%;
  height:100%;
  display:block;
  outline:none;
  cursor:grab;
  touch-action:none
}
.viewport canvas:active {
  cursor:grabbing
}
.loading {
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  background:#111617d9;
  transition:opacity .7s;
  z-index:5
}
.loading.is-loaded {
  opacity:0;
  pointer-events:none
}
.loading p {
  font-size:10px;
  margin-top:25px
}
.loading small {
  font-size:11px;
  color:var(--muted)
}
.loading-mark {
  width:28px;
  height:28px;
  border:1px solid #deb29330;
  border-top-color:var(--accent);
  transform:rotate(45deg);
  animation:spin 2.5s linear infinite
}
@keyframes spin {
  to {
    transform:rotate(405deg)
  }
}
.telemetry {
  position:absolute;
  right:40px;
  top:13%;
  bottom:37%;
  width:185px;
  z-index:2;
  pointer-events:none
}
.motion-state {
  font-size:8px;
  display:flex;
  gap:8px;
  align-items:center;
  justify-content:flex-end;
  color:#b4c3c4;
  letter-spacing:.16em;
  margin:0 0 15px
}
.motion-state>span {
  width:4px;
  height:4px;
  background:var(--accent);
  border-radius:50%;
  box-shadow:0 0 8px #dbb19640
}
.motion-state.paused>span {
  background:#788d93;
  box-shadow:none
}
.rpm-display {
  font-family:var(--mono);
  font-size:34px;
  letter-spacing:-.06em;
  margin:0;
  text-align:right;
  font-weight:400
}
.rpm-display small {
  font-size:8px;
  color:#93aeb6;
  margin-left:10px;
  letter-spacing:.15em
}
.slow-label {
  font-size:7px;
  color:#88a6af;
  text-align:right;
  margin-top:12px
}
.cycle-monitor {
  position:absolute;
  bottom:0;
  width:100%
}
.cycle-head {
  display:flex;
  justify-content:space-between;
  font-size:7px;
  letter-spacing:.13em;
  border-bottom:1px solid var(--line);
  padding-bottom:16px;
  margin-bottom:10px;
  color:#91aab2
}
.cylinder-row {
  display:flex;
  align-items:center;
  gap:15px;
  height:31px;
  font-family:var(--mono);
  font-size:8px;
  color:#9bb4bc
}
.cycle-track {
  height:2px;
  background:#3e4b4c60;
  flex:1;
  position:relative
}
.cycle-track:after {
  content:"";
  display:block;
  height:2px;
  background:var(--stroke-color);
  width:var(--stroke-progress,25%);
  transition:width .12s linear,background .15s
}
.stroke-name {
  font-size:7px;
  letter-spacing:.02em;
  width:62px;
  text-align:right;
  color:#a0b3b8
}
.firing-order {
  display:flex;
  justify-content:space-between;
  border-top:1px solid var(--line);
  padding-top:15px;
  margin-top:12px;
  font-size:7px;
  color:#85a3ac;
  letter-spacing:.07em
}
.firing-order b {
  font-weight:400;
  color:#b7c9cd
}
.view-tools {
  position:absolute;
  right:35px;
  bottom:26%;
  display:flex;
  flex-direction:column;
  gap:5px;
  z-index:4;
  align-items:center
}
.view-tools button {
  border:1px solid var(--line);
  background:#10171980
}
.view-tools span {
  font-size:6px;
  color:#74919a;
  margin-top:6px
}
.canvas-caption {
  position:absolute;
  left:38%;
  right:25%;
  bottom:22.4%;
  color:#8aa0a6;
  font-size:10px;
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:center;
  pointer-events:none;
  white-space:nowrap;
  z-index:2
}
.canvas-caption svg {
  width:16px;
  height:16px
}
.mode-caption {
  position:absolute;
  right:40px;
  bottom:22.5%;
  display:flex;
  align-items:center;
  gap:13px;
  font-size:7px;
  color:#8ba7af
}
.mode-caption>span:first-child {
  color:var(--accent)
}
.mode-caption i {
  display:block;
  width:23px;
  height:1px;
  background:#59707880
}
.console {
  position:absolute;
  bottom:4.6%;
  left:36px;
  right:36px;
  background:linear-gradient(115deg,#20272a94,#18202494);
  border:1px solid #adc2c328;
  border-radius:7px;
  z-index:5;
  box-shadow:0 12px 45px #00000012;
  backdrop-filter:blur(4px)
}
.console-top {
  height:52px;
  display:flex;
  align-items:center;
  padding:0 17px 0 20px;
  gap:16px;
  border-bottom:1px solid #728d8d16
}
.view-tabs {
  display:flex;
  align-items:center;
  gap:8px;
  height:100%
}
.view-tabs button {
  display:flex;
  gap:10px;
  align-items:center;
  color:#96adb3;
  font-size:11px;
  padding:9px 11px;
  border:1px solid transparent;
  border-radius:3px;
  transition:all .2s;
  white-space:nowrap
}
.view-tabs svg {
  width:17px;
  height:17px
}
.view-tabs small {
  font-size:7px;
  opacity:.6;
  margin-left:9px
}
.view-tabs button.active {
  border-color:#d4b49850;
  background:#d7b5950a;
  color:var(--accent)
}
.view-tabs button:hover {
  color:var(--accent);
  background:#d7b59509
}
.console-tag {
  font-size:7px;
  color:#7596a0;
  letter-spacing:.13em;
  margin-left:auto;
  white-space:nowrap
}
.console-tag span {
  margin:0 21px;
  color:#466571
}
.toggle {
  font-size:11px;
  color:#a2b5bb;
  display:flex;
  align-items:center;
  gap:9px;
  white-space:nowrap;
  padding:9px 0 9px 8px
}
.switch {
  display:block;
  width:21px;
  height:10px;
  border-radius:8px;
  background:#829ca933;
  position:relative;
  transition:background .2s
}
.switch:after {
  content:"";
  position:absolute;
  top:2px;
  left:2px;
  width:6px;
  height:6px;
  background:#9baeb7;
  border-radius:50%;
  transition:transform .2s
}
.toggle[aria-pressed=true] .switch {
  background:#dfb69838
}
.toggle[aria-pressed=true] .switch:after {
  background:var(--accent);
  transform:translateX(11px)
}
.console-controls {
  height:91px;
  display:flex;
  gap:27px;
  align-items:center;
  padding:15px 25px
}
.play-button {
  width:44px;
  height:44px;
  flex:none;
  border:1px solid #d5b69960;
  border-radius:50%;
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .2s
}
.play-button:hover {
  background:#d6ae8820
}
.play-button svg {
  width:20px;
  height:20px
}
.control {
  display:flex;
  flex-direction:column;
  gap:8px;
  min-width:0
}
.control label {
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:7px;
  color:#96b2bc;
  letter-spacing:.15em
}
.control output {
  color:#d8e3e6;
  font-size:10px;
  letter-spacing:.06em
}
.control output small {
  font-size:7px;
  color:#8faab3
}
.rpm-control {
  flex:1.9
}
.speed-control {
  flex:1;
  max-width:310px;
  border-left:1px solid var(--line);
  padding-left:30px;
  margin-left:3px
}
.angle-control {
  flex:1.2;
  margin-left:auto;
  padding-left:4%
}
.select-wrap {
  position:relative;
  width:100%;
  max-width:220px
}
.select-wrap select {
  appearance:none;
  -webkit-appearance:none;
  background:#17202570;
  border:1px solid #8ba1a32c;
  border-radius:3px;
  width:100%;
  padding:7px 30px 7px 12px;
  color:#b4c8ce;
  font-size:11px;
  cursor:pointer;
  height:32px
}
.select-wrap select option {
  background:#172025;
  color:#dce2e2
}
.select-wrap select option:checked {
  background:#394348;
  color:#f2d5bd
}
.select-wrap svg {
  position:absolute;
  right:9px;
  top:7px;
  width:17px;
  height:17px;
  color:#a3b6bd;
  pointer-events:none
}
input[type=range] {
  appearance:none;
  -webkit-appearance:none;
  height:3px;
  background:linear-gradient(to right,#b69b85 var(--fill,8%),#7898a527 var(--fill,8%));
  width:100%;
  margin:0;
  cursor:pointer;
  border:0;
  border-radius:1px;
  touch-action:none
}
input[type=range]::-webkit-slider-thumb {
  appearance:none;
  width:9px;
  height:9px;
  border-radius:50%;
  background:#e2bc9e;
  box-shadow:0 0 0 4px #d4a9820a
}
input[type=range]::-moz-range-thumb {
  width:9px;
  height:9px;
  border:none;
  border-radius:50%;
  background:#e2bc9e
}
.range-ends {
  display:flex;
  justify-content:space-between;
  color:#86a4ae;
  font-size:6px;
  letter-spacing:.09em;
  margin-top:1px
}
.angle-control input {
  background:linear-gradient(to right,#819da7 var(--fill,10%),#7898a527 var(--fill,10%))
}
.angle-control input::-webkit-slider-thumb {
  background:#9cbac6;
  box-shadow:0 0 0 5px #8aafbc0d
}
.angle-control input::-moz-range-thumb {
  background:#9cbac6
}
.footer {
  position:absolute;
  bottom:1.6%;
  left:37px;
  right:37px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  color:#72919b;
  font-size:6px;
  letter-spacing:.17em
}
.footer>span:first-child>span {
  margin:0 23px
}
.footer b {
  font-size:18px;
  font-weight:400;
  vertical-align:middle;
  margin-left:24px;
  color:#9bb4bd
}
.toast {
  position:absolute;
  bottom:24%;
  left:50%;
  transform:translate(-50%,8px);
  padding:10px 17px;
  border-radius:4px;
  background:#242e31b3;
  backdrop-filter:blur(4px);
  color:#d2dfdf;
  border:1px solid #adc2c32b;
  z-index:9;
  font-size:11px;
  opacity:0;
  pointer-events:none;
  transition:.2s;
  text-align:center;
  max-width:80%;
  line-height:1.7
}
.toast.show {
  opacity:1;
  transform:translate(-50%,0)
}
.hotspots {
  position:absolute;
  inset:0;
  pointer-events:none
}
.hotspot {
  position:absolute;
  width:27px;
  height:27px;
  border:1px solid #d9b69788;
  border-radius:50%;
  background:#1a242adf;
  color:#ebc29f;
  display:grid;
  place-items:center;
  font-family:var(--mono);
  font-size:9px;
  pointer-events:auto;
  transform:translate(-50%,-50%);
  box-shadow:0 0 0 4px #19212655;
  transition:background .2s
}
.hotspot.active,.hotspot:hover {
  background:#d4ac8e;
  color:#172024
}
.hotspot span {
  position:absolute;
  left:34px;
  color:#b5c8cc;
  font-size:9px;
  white-space:nowrap;
  background:#111b20b0;
  padding:4px 7px;
  border-radius:2px;
  opacity:0;
  transition:opacity .2s;
  pointer-events:none
}
.hotspot:hover span,.hotspot.active span {
  opacity:1
}
.part-panel {
  position:absolute;
  left:40px;
  top:15%;
  bottom:24%;
  width:270px;
  z-index:4;
  border-top:1px solid #c7a98c66;
  padding-top:12px
}
.part-top {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:5px
}
.part-top>span {
  font-size:7px;
  color:#90aab2;
  letter-spacing:.08em
}
.part-top button {
  flex:none;
  width:27px
}
.part-index {
  display:block;
  font-size:86px;
  letter-spacing:-.08em;
  color:#56717b3b;
  margin:20px 0 0;
  font-family:var(--mono)
}
.part-panel h2 {
  font-size:27px;
  font-weight:400;
  letter-spacing:.02em;
  margin:5px 0 12px
}
.part-en {
  font-size:9px;
  color:#dab499
}
.part-description {
  font-size:12px;
  color:#9eb4bb;
  line-height:2.15;
  margin-top:28px
}
.part-fact {
  font-size:10px;
  color:#aac1c8;
  border-top:1px solid var(--line);
  padding-top:17px;
  margin-top:24px;
  line-height:1.9
}
.part-nav {
  display:flex;
  gap:17px;
  align-items:center;
  margin-top:22px;
  font-size:9px;
  color:#8cabb5
}
.part-nav button {
  border:1px solid var(--line);
  width:33px;
  height:30px;
  color:var(--accent)
}
.is-exploring .introduction {
  opacity:0;
  pointer-events:none;
  transform:translateX(-10px)
}
.is-exploring .introduction button {
  pointer-events:none
}
[hidden] {
  display:none!important
}
dialog {
  background:linear-gradient(145deg,#202b2fc4,#131c20c4);
  backdrop-filter:blur(6px);
  color:#d7e1e3;
  border:1px solid #8da5aa40;
  border-radius:7px;
  max-width:550px;
  width:calc(100% - 36px);
  max-height:88svh;
  padding:26px 32px;
  box-shadow:0 24px 120px #0009;
  line-height:1.9
}
dialog::backdrop {
  background:#07101559;
  backdrop-filter:blur(8px)
}
.dialog-top {
  display:flex;
  justify-content:space-between;
  align-items:center
}
.dialog-top .eyebrow {
  margin:0;
  font-size:8px
}
dialog h2 {
  font-size:43px;
  line-height:1.15;
  letter-spacing:-.03em;
  font-weight:400;
  margin:20px 0
}
dialog h2 em {
  font-style:normal;
  color:#91a8af
}
dialog p {
  font-size:12px;
  color:#b1c1c5
}
dialog dl {
  font-size:11px;
  margin:25px 0
}
dialog dl>div {
  display:flex;
  gap:20px;
  border-top:1px solid var(--line);
  padding:12px 0
}
dialog dt {
  color:var(--accent);
  width:35px;
  flex:none
}
dialog dd {
  margin:0;
  color:#a1b7c0
}
.note {
  font-size:10px!important;
  color:#849da5!important;
  line-height:2
}
.dialog-foot {
  display:block;
  font-size:7px;
  color:#72939e;
  margin-top:23px;
  letter-spacing:.08em
}
.error-message {
  position:fixed;
  inset:25% 15%;
  padding:30px;
  background:#1a272b;
  z-index:99;
  border:1px solid #c8a88b;
  color:#dfe5e5;
  font-size:14px;
  line-height:2;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center
}
@media(min-width:1600px) {
  .introduction {
    left:3.4%;
    width:340px
  }
  .telemetry {
    right:3.4%;
    width:210px
  }
  .header {
    inset-inline:3.4%
  }
  .console {
    left:3.4%;
    right:3.4%
  }
  .console-controls {
    height:103px
  }
  .footer {
    inset-inline:3.4%
  }
}
@media(max-width:1150px) {
  .header-caption {
    margin-left:35px;
    font-size:7px;
    gap:13px
  }
  .header {
    inset-inline:26px
  }
  .introduction {
    left:29px;
    width:245px
  }
  .intro-copy {
    font-size:11px
  }
  .telemetry {
    right:28px;
    width:150px
  }
  .cycle-head {
    font-size:6px
  }
  .cylinder-row {
    gap:8px
  }
  .console {
    left:25px;
    right:25px
  }
  .console-tag {
    display:none
  }
  .toggle {
    margin-left:auto
  }
  .console-controls {
    gap:20px
  }
  .angle-control {
    padding-left:2%
  }
  .bore .motto {
    font-size:6px
  }
  .canvas-caption {
    left:31%;
    right:20%;
    font-size:9px
  }
  .part-panel {
    left:29px;
    width:238px
  }
  .tools {
    gap:9px
  }
  .stroke-name {
    width:56px
  }
  .view-tools {
    right:24px
  }
  .mode-caption {
    right:28px
  }
}
@media(max-width:900px) {
  .header-caption {
    display:none
  }
  .header {
    height:75px
  }
  .introduction {
    top:13%;
    width:205px
  }
  h1 {
    font-size:54px
  }
  .intro-copy {
    margin-bottom:25px
  }
  .engine-spec {
    margin-bottom:20px
  }
  .telemetry {
    top:13%;
    width:132px
  }
  .rpm-display {
    font-size:29px
  }
  .cycle-monitor {
    bottom:10px
  }
  .cycle-head {
    font-size:5px
  }
  .stroke-name {
    font-size:6px;
    width:50px
  }
  .console-controls {
    padding-inline:18px;
    gap:16px
  }
  .speed-control {
    padding-left:19px
  }
  .console-top {
    padding-left:13px
  }
  .canvas-caption {
    font-size:8px
  }
  .bore .motto {
    display:none
  }
  .part-panel {
    width:210px
  }
  .part-index {
    font-size:66px
  }
  .part-description {
    font-size:11px;
    margin-top:17px
  }
  .part-fact {
    margin-top:17px
  }
  .part-top>span {
    font-size:6px
  }
}
@media(max-width:700px) {
  body {
    overflow:auto
  }
  .observatory {
    min-height:650px
  }
  .header {
    inset-inline:20px;
    height:69px
  }
  .brand {
    font-size:22px;
    letter-spacing:.1em;
    gap:9px
  }
  .brand-mark {
    width:19px;
    gap:3px
  }
  .brand-mark i {
    height:3px
  }
  .tools {
    gap:6px
  }
  .tools .icon-button {
    width:29px
  }
  .tools .quality {
    width:42px;
    font-size:8px
  }
  .tools svg {
    width:17px;
    height:17px
  }
  .tools #fullscreen {
    display:none
  }
  .trademark {
    font-size:7px;
    margin-left:-5px
  }
  .introduction {
    left:22px;
    right:22px;
    top:92px;
    bottom:auto;
    width:auto;
    height:150px
  }
  .eyebrow {
    font-size:7px;
    margin-bottom:17px;
    gap:10px
  }
  h1 {
    font-size:43px;
    line-height:1.04;
    letter-spacing:-.045em;
    margin:0
  }
  h1 br {
    display:none
  }
  h1 em {
    display:block
  }
  .intro-copy {
    position:absolute;
    top:120px;
    font-size:10px;
    line-height:1.9;
    margin:0
  }
  .engine-spec {
    position:absolute;
    right:0;
    top:142px;
    text-align:right;
    gap:7px;
    margin:0
  }
  .engine-spec h2 {
    font-size:8px;
    margin-bottom:7px
  }
  .engine-spec p {
    font-size:6px
  }
  .tiny-line {
    margin-top:4px;
    width:6px
  }
  .explore-link {
    position:absolute;
    top:176px;
    padding:5px 0 7px;
    font-size:10px;
    gap:19px;
    z-index:3
  }
  .explore-link svg {
    width:14px
  }
  .bore {
    display:none
  }
  .telemetry {
    right:22px;
    top:126px;
    width:130px;
    bottom:auto
  }
  .motion-state {
    font-size:6px;
    margin-bottom:9px;
    letter-spacing:.1em
  }
  .rpm-display {
    font-size:26px
  }
  .rpm-display small {
    font-size:6px;
    margin-left:6px
  }
  .slow-label {
    font-size:5px;
    margin-top:8px;
    letter-spacing:.12em
  }
  .cycle-monitor {
    display:none
  }
  .ghost-type {
    left:4%;
    top:34%;
    font-size:52vw
  }
  .canvas-caption {
    left:20px;
    right:20px;
    bottom:24.6%;
    font-size:8px
  }
  .canvas-caption svg {
    width:13px;
    height:13px
  }
  .mode-caption {
    display:none
  }
  .view-tools {
    right:18px;
    bottom:29%;
    gap:5px
  }
  .view-tools .icon-button {
    width:30px;
    height:30px
  }
  .view-tools svg {
    width:17px;
    height:17px
  }
  .view-tools span {
    font-size:5px
  }
  .console {
    left:15px;
    right:15px;
    bottom:4.1%;
    border-radius:6px
  }
  .console-top {
    height:45px;
    padding:0 10px;
    gap:6px
  }
  .view-tabs {
    gap:1px;
    flex:1
  }
  .view-tabs button {
    font-size:10px;
    gap:6px;
    padding:7px 9px
  }
  .view-tabs button small {
    display:none
  }
  .view-tabs svg {
    width:15px;
    height:15px
  }
  .toggle {
    font-size:9px;
    gap:5px;
    padding-left:0
  }
  .switch {
    width:18px;
    height:9px
  }
  .switch:after {
    height:5px;
    width:5px
  }
  .toggle[aria-pressed=true] .switch:after {
    transform:translateX(9px)
  }
  .console-controls {
    height:116px;
    display:grid;
    grid-template-columns:35px 1fr 1fr;
    gap:14px 15px;
    padding:16px 14px 14px;
    align-items:center
  }
  .play-button {
    width:35px;
    height:35px;
    grid-column:1;
    grid-row:1
  }
  .play-button svg {
    width:17px;
    height:17px
  }
  .rpm-control {
    grid-column:2/4;
    grid-row:1;
    gap:6px
  }
  .control label {
    font-size:6px
  }
  .control output {
    font-size:9px
  }
  .range-ends {
    font-size:5px
  }
  .speed-control {
    padding-left:0;
    margin:0;
    border-left:0;
    grid-column:1/3;
    grid-row:2;
    gap:6px;
    max-width:none
  }
  .speed-control label {
    font-size:5px
  }
  .select-wrap {
    max-width:180px
  }
  .select-wrap select {
    height:27px;
    font-size:9px;
    padding:4px 25px 4px 8px
  }
  .select-wrap svg {
    top:5px;
    width:14px;
    height:14px
  }
  .angle-control {
    padding:0;
    margin:0;
    grid-column:3;
    grid-row:2;
    gap:6px
  }
  .angle-control label {
    font-size:5px
  }
  .footer {
    bottom:1.55%;
    left:20px;
    right:18px;
    font-size:5px;
    letter-spacing:.1em
  }
  .footer>span:first-child>span {
    margin:0 10px
  }
  .footer>span:last-child {
    font-size:0
  }
  .footer b {
    font-size:15px
  }
  .toast {
    bottom:25%;
    font-size:10px;
    max-width:85%;
    width:max-content
  }
  .part-panel {
    left:21px;
    top:88px;
    right:21px;
    bottom:auto;
    width:auto;
    height:165px;
    padding-top:5px
  }
  .part-top>span {
    font-size:6px
  }
  .part-index {
    display:none
  }
  .part-panel h2 {
    font-size:22px;
    margin:5px 0
  }
  .part-en {
    font-size:7px;
    margin:5px 0
  }
  .part-description {
    font-size:10px;
    line-height:1.85;
    margin-top:11px;
    max-width:78%
  }
  .part-fact {
    display:none
  }
  .part-nav {
    position:absolute;
    right:0;
    bottom:0;
    gap:8px;
    margin:0
  }
  .part-nav button {
    width:27px;
    height:25px
  }
  .part-nav span {
    font-size:7px
  }
  .is-exploring .telemetry {
    display:none
  }
  .hotspot {
    width:23px;
    height:23px;
    font-size:8px
  }
  .hotspot span {
    font-size:7px;
    left:27px
  }
  .is-exploring .canvas-caption {
    display:none
  }
  dialog {
    padding:20px 23px
  }
  dialog h2 {
    font-size:37px
  }
  dialog p {
    font-size:11px
  }
  dialog dl {
    font-size:10px
  }
  .note {
    font-size:9px!important
  }
}
@media(max-width:370px) {
  .brand {
    font-size:19px
  }
  .header {
    inset-inline:16px
  }
  .tools {
    gap:3px
  }
  .tools .icon-button {
    width:27px
  }
  .introduction {
    left:19px;
    right:19px
  }
  .telemetry {
    right:20px;
    width:114px
  }
  .rpm-display {
    font-size:23px
  }
  h1 {
    font-size:39px
  }
  .view-tabs button {
    padding:7px 7px
  }
  .toggle {
    font-size:8px
  }
  .console-controls {
    gap:12px
  }
  .intro-copy {
    font-size:9px
  }
  .engine-spec h2 {
    font-size:7px
  }
}
@media(max-height:740px) and (min-width:701px) {
  .observatory {
    min-height:560px
  }
  .header {
    height:65px
  }
  .introduction {
    top:14%;
    bottom:28%
  }
  h1 {
    font-size:53px;
    margin-bottom:20px
  }
  .eyebrow {
    margin-bottom:18px
  }
  .intro-copy {
    margin-bottom:22px
  }
  .engine-spec {
    margin-bottom:15px
  }
  .bore .motto {
    display:none
  }
  .bore p {
    font-size:18px
  }
  .bore {
    bottom:0
  }
  .telemetry {
    top:14%;
    bottom:37%
  }
  .cycle-monitor {
    bottom:0
  }
  .console {
    bottom:5%
  }
  .console-top {
    height:44px
  }
  .console-controls {
    height:78px
  }
  .canvas-caption,.mode-caption {
    bottom:26%
  }
  .view-tools {
    bottom:30%
  }
  .part-panel {
    top:15%;
    bottom:29%
  }
  .part-index {
    font-size:50px;
    margin-top:9px
  }
  .part-description {
    font-size:10px;
    margin-top:10px
  }
  .part-fact {
    font-size:9px;
    margin-top:12px;
    padding-top:12px
  }
  .part-nav {
    margin-top:12px
  }
}
@media(max-height:720px) and (max-width:700px) {
  .observatory {
    min-height:590px
  }
  .introduction {
    top:83px
  }
  .introduction .eyebrow {
    margin-bottom:11px
  }
  h1 {
    font-size:37px
  }
  .intro-copy {
    top:102px;
    font-size:9px
  }
  .engine-spec {
    top:124px
  }
  .explore-link {
    top:150px;
    font-size:9px
  }
  .telemetry {
    top:107px
  }
  .console {
    bottom:4.7%
  }
  .canvas-caption {
    bottom:32%
  }
  .view-tools {
    bottom:35%
  }
  .console-top {
    height:41px
  }
  .console-controls {
    height:108px;
    padding-top:11px;
    gap:11px 13px
  }
  .part-panel {
    top:82px
  }
  .part-description {
    font-size:9px
  }
  .toast {
    bottom:31%
  }
}
@media(max-height:500px) and (min-width:601px) {
  .observatory {
    height:100svh;
    min-height:360px
  }
  .header {
    height:50px;
    inset-inline:20px
  }
  .brand {
    font-size:20px
  }
  .header-caption {
    display:none
  }
  .introduction {
    top:70px;
    left:22px;
    width:180px;
    bottom:115px
  }
  .eyebrow {
    font-size:7px;
    margin-bottom:12px
  }
  h1 {
    font-size:37px;
    margin:0
  }
  .intro-copy,.engine-spec,.bore {
    display:none
  }
  .explore-link {
    margin-top:20px;
    font-size:10px
  }
  .telemetry {
    top:73px;
    right:22px;
    width:130px
  }
  .rpm-display {
    font-size:26px
  }
  .cycle-monitor {
    display:none
  }
  .console {
    bottom:5%;
    left:20px;
    right:20px
  }
  .console-top {
    height:34px
  }
  .view-tabs button {
    padding:5px 10px;
    font-size:10px
  }
  .view-tabs svg {
    height:13px
  }
  .console-controls {
    height:56px;
    padding:8px 17px;
    gap:15px
  }
  .play-button {
    width:32px;
    height:32px
  }
  .control {
    gap:5px
  }
  .select-wrap select {
    height:27px;
    font-size:10px
  }
  .select-wrap svg {
    top:5px
  }
  .canvas-caption,.mode-caption {
    display:none
  }
  .view-tools {
    bottom:32%;
    right:20px
  }
  .view-tools span {
    display:none
  }
  .view-tools .icon-button {
    height:27px;
    width:27px
  }
  .footer {
    font-size:5px;
    bottom:1.5%;
    inset-inline:22px
  }
  .part-panel {
    left:22px;
    top:66px;
    width:190px;
    bottom:120px
  }
  .part-index,.part-fact {
    display:none
  }
  .part-panel h2 {
    font-size:21px;
    margin:0
  }
  .part-en {
    font-size:7px
  }
  .part-description {
    font-size:9px;
    line-height:1.8;
    margin:10px 0
  }
  .part-nav {
    margin:5px 0
  }
  .part-nav button {
    height:23px;
    width:26px
  }
  .toast {
    bottom:29%
  }
}
@media(prefers-reduced-motion:reduce) {
  *,*:before,*:after {
    animation:none!important;
    transition:none!important;
    scroll-behavior:auto!important
  }
}
/* Keep the part explanation scrollable, with controls always outside the scroll area. */
.part-panel {
  display:flex;
  flex-direction:column;
  overflow:hidden
}
.part-top,.part-nav {
  flex-shrink:0
}
.part-content {
  min-height:0;
  flex:1;
  overflow-y:auto;
  padding-right:5px;
  scrollbar-width:thin;
  scrollbar-color:#57717b transparent
}
.part-nav {
  margin-top:14px;
  padding-top:3px
}
@media(max-width:700px) {
  .part-panel {
    height:182px
  }
  .part-nav {
    position:static;
    align-self:flex-end;
    margin-top:5px;
    padding-top:0
  }
  .part-description {
    max-width:100%
  }
}


/* Portrait tablets keep their text and controls in the foreground. */
@media (min-width:701px) and (max-width:1100px) and (orientation:portrait) {
  .header-caption { display:none; }
  .introduction { top:110px;left:30px;right:30px;bottom:auto;width:auto;height:245px; }
  .introduction .eyebrow { margin-bottom:20px; }
  h1 { font-size:56px;line-height:1.08;margin:0; }
  .intro-copy { position:absolute;left:0;top:161px;font-size:12px;margin:0; }
  .engine-spec { position:absolute;right:0;top:179px;margin:0;text-align:right; }
  .explore-link { position:absolute;left:0;top:216px; }
  .bore { display:none; }
  .telemetry { top:143px;right:31px;bottom:auto;width:190px; }
  .cycle-monitor { display:none; }
  .canvas-caption { left:20px;right:20px;bottom:20.3%;font-size:10px; }
  .view-tools { right:25px;bottom:25%; }
  .mode-caption { display:none; }
  .part-panel { top:110px;left:30px;right:30px;bottom:auto;width:auto;height:233px; }
  .part-index,.part-fact { display:none; }
  .part-description { margin-top:13px;font-size:12px;max-width:100%; }
  .part-nav { align-self:flex-end;margin-top:7px; }
  .is-exploring .telemetry { display:none; }
}
@media (max-height:500px) and (min-width:601px) {
  .footer { display:none; }
}

/* Close observation keeps its compact controls in the foreground. */
.is-inspecting .introduction,.is-inspecting .telemetry,.is-inspecting .ghost-type,.is-inspecting .mode-caption { visibility:hidden; }



/* Text passes pointer input through to the scene; controls remain interactive. */
.header,.footer,.mode-caption {
  pointer-events:none
}
.header a,.header button {
  pointer-events:auto
}
.ghost-type,.footer,.mode-caption {
  z-index:2
}
.header,.introduction,.telemetry,.footer,.mode-caption,.canvas-caption {
  text-shadow:0 1px 3px #071012,0 0 12px #071012b3
}
.part-panel {
  background:#11191c99;
  backdrop-filter:blur(4px);
  padding:12px 14px;
  border-radius:6px
}
.inspection-views {
  pointer-events:auto
}
@media(max-width:900px) {
  .inspection-views { top:87px; }
}
@media(max-height:740px) and (min-width:701px) {
  .inspection-views { top:77px; }
}
@media(max-width:700px) {
  .inspection-views { top:81px; }
  .introduction { top:145px; }
  .telemetry { top:179px; }
  .part-panel { top:145px;padding:8px 12px; }
}
@media(max-height:720px) and (max-width:700px) {
  .introduction { top:141px; }
  .telemetry { top:165px; }
  .part-panel { top:141px; }
}
@media(min-width:701px) and (max-width:1100px) and (orientation:portrait) {
  .introduction,.part-panel { top:151px; }
  .telemetry { top:184px; }
}
@media(max-height:500px) and (min-width:601px) {
  .inspection-views { top:61px; }
  .introduction { top:70px; }
  .telemetry { top:73px; }
  .part-panel { top:66px; }
}