/* Shared HERO animation styles for the Japanese page. */
    .md-explorer {
      --md-cycle: 9.3s;
      overflow: hidden;
      border: 1px solid rgba(36, 101, 151, .16);
      border-radius: 26px;
      background: #ffffff;
      box-shadow: 0 20px 50px rgba(11, 31, 54, .08);
    }

    .md-explorer[data-mode="single"] {
      --md-cycle: 5.92s;
    }

    .md-explorer[data-selection="air"] {
      --md-cycle: 8.64s;
    }


    .md-mode-tabs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: .35rem;
      padding: .45rem;
      background: #eaf2f7;
    }


    .md-mode-tab {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: .65rem;
      min-height: 52px;
      padding: .75rem 1rem;
      border: 0;
      border-radius: 18px;
      background: transparent;
      color: var(--muted);
      font-family: "Raleway", sans-serif;
      font-size: .9rem;
      font-weight: 800;
      cursor: pointer;
      transition: background .25s ease, color .25s ease, box-shadow .25s ease;
    }


    .md-mode-tab span {
      display: grid;
      place-items: center;
      width: 27px;
      height: 27px;
      border-radius: 50%;
      background: rgba(36, 101, 151, .1);
      font-size: .72rem;
    }


    .md-mode-tab[aria-selected="true"] {
      background: #ffffff;
      color: var(--navy);
      box-shadow: 0 6px 18px rgba(11, 31, 54, .1);
    }


    .md-mode-tab[aria-selected="true"] span {
      background: var(--navy);
      color: #ffffff;
    }


    .md-explorer-body {
      display: grid;
      grid-template-columns: minmax(225px, .62fr) minmax(0, 1.38fr);
      min-height: 0;
    }


    .md-explorer-copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-width: 0;
      padding: clamp(1.15rem, 2.4vw, 2rem);
    }


    .md-explorer-copy h3 {
      margin: .35rem 0 .65rem;
      font-size: clamp(1.45rem, 2.2vw, 1.9rem);
      line-height: 1.16;
      text-wrap: balance;
    }


    .md-explorer-copy > p {
      margin: 0;
      color: var(--muted);
      font-size: .92rem;
      line-height: 1.55;
    }


    .md-choice-set {
      display: flex;
      flex-wrap: wrap;
      gap: .55rem;
      margin-top: 1.35rem;
    }


    .md-choice {
      display: inline-flex;
      align-items: center;
      gap: .42rem;
      min-width: 0;
      min-height: 40px;
      padding: .62rem .82rem;
      border: 1px solid var(--rule);
      border-radius: 999px;
      background: #ffffff;
      color: var(--navy);
      font-size: .78rem;
      font-weight: 800;
      cursor: pointer;
      transition: border-color .2s ease, background .2s ease, color .2s ease;
    }


    .md-choice[aria-pressed="true"] {
      border-color: var(--steel);
      background: var(--navy);
      color: #ffffff;
    }


    .md-diagram-link {
      display: inline-flex;
      align-items: center;
      gap: .45rem;
      align-self: flex-start;
      margin-top: 1.15rem;
      color: var(--steel);
      font-size: .8rem;
      font-weight: 800;
      text-decoration: none;
    }


    .md-diagram-dialog {
      width: 100vw;
      max-width: none;
      height: 100dvh;
      max-height: none;
      margin: 0;
      padding: clamp(1rem, 4vw, 2.5rem);
      border: 0;
      background: transparent;
      overflow: auto;
    }


    .md-diagram-dialog[open] {
      display: grid;
      place-items: center;
    }


    .md-diagram-dialog::backdrop {
      background: rgba(8, 24, 43, .72);
      backdrop-filter: blur(5px);
    }


    .md-diagram-dialog-panel {
      position: relative;
      width: min(1080px, 100%);
      padding: clamp(1rem, 2.5vw, 1.6rem);
      border: 1px solid rgba(255,255,255,.62);
      border-radius: 24px;
      background: #ffffff;
      box-shadow: 0 28px 80px rgba(6, 21, 38, .34);
    }


    .md-diagram-dialog-head {
      padding: .2rem 3.4rem 1rem .25rem;
    }


    .md-diagram-dialog-head h2 {
      margin: 0;
      font-size: clamp(1.25rem, 2.6vw, 1.8rem);
    }


    .md-diagram-dialog-head p {
      margin: .28rem 0 0;
      color: var(--muted);
      font-size: .86rem;
    }


    .md-diagram-dialog img {
      display: block;
      width: 100%;
      max-height: calc(100dvh - 10rem);
      border: 1px solid var(--rule);
      border-radius: 16px;
      background: #f4f8fb;
      object-fit: contain;
    }


    .md-diagram-dialog-close {
      position: absolute;
      top: .85rem;
      right: .85rem;
      display: grid;
      place-items: center;
      width: 42px;
      height: 42px;
      padding: 0;
      border: 1px solid var(--rule);
      border-radius: 50%;
      background: #ffffff;
      color: var(--navy);
      font-size: 1.25rem;
      cursor: pointer;
      box-shadow: 0 7px 18px rgba(11,31,54,.12);
    }


    .md-diagram-dialog-close:hover,
    .md-diagram-dialog-close:focus-visible {
      border-color: var(--steel);
      background: #edf6fa;
      outline: 0;
    }


    .md-scene-wrap {
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-width: 0;
      min-height: 0;
      overflow: hidden;
      border-left: 1px solid var(--rule);
      background: linear-gradient(180deg, #dff3ff 0 57%, #f3f8f3 57%);
      transition: opacity .18s ease;
    }

    .md-explorer.is-loop-transition .md-scene-wrap { opacity: 0; }


    .md-scene {
      position: relative;
      width: 100%;
      aspect-ratio: 720 / 470;
      flex: 0 0 auto;
      overflow: hidden;
      background: #f7fafc;
    }


    .md-arena-base {
      position: absolute;
      inset: 0;
      z-index: 0;
      width: 100%;
      height: 100%;
    }


    .md-scene::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 2;
      background:
        linear-gradient(90deg, rgba(255,255,255,.18), transparent 30%),
        radial-gradient(circle at 50% 44%, transparent 50%, rgba(16,40,71,.08));
      pointer-events: none;
    }


    .md-sun {
      position: absolute;
      top: 10%;
      right: 9%;
      width: 54px;
      height: 54px;
      border-radius: 50%;
      background: rgba(240, 189, 89, .72);
      box-shadow: 0 0 0 14px rgba(240, 189, 89, .12);
    }


    .md-mountain {
      position: absolute;
      right: 6%;
      bottom: 43%;
      width: 47%;
      height: 31%;
      clip-path: polygon(0 100%, 34% 36%, 49% 57%, 68% 8%, 100% 100%);
      background: linear-gradient(145deg, #b8d4dc, #86afba);
      opacity: .62;
    }


    .md-ground {
      position: absolute;
      bottom: 0;
      left: 0;
      width: 61%;
      height: 43%;
      clip-path: polygon(0 0, 100% 30%, 86% 100%, 0 100%);
      background: linear-gradient(160deg, #b7d6a2, #7dab6d);
    }


    .md-water {
      position: absolute;
      right: -3%;
      bottom: -3%;
      width: 52%;
      height: 43%;
      border-radius: 55% 0 0 0;
      background:
        repeating-radial-gradient(ellipse at 70% 15%, transparent 0 14px, rgba(255,255,255,.2) 15px 17px),
        linear-gradient(160deg, #7dc9dd, #287fa7);
    }


    .md-routes {
      position: absolute;
      inset: 0;
      z-index: 3;
      width: 100%;
      height: 100%;
      overflow: visible;
    }


    .md-comms-layer {
      position: absolute;
      inset: 0;
      z-index: 3;
      width: 100%;
      height: 100%;
      overflow: visible;
      opacity: 0;
      pointer-events: none;
    }


    .md-explorer[data-mode="cooperative"] .md-comms-layer {
      animation: md-comms-window var(--md-cycle) linear infinite;
    }


    .md-comms-channel {
      opacity: 0;
      transition: opacity .3s ease;
    }


    .md-explorer[data-selection="air-ground"] .md-comms-ground,
    .md-explorer[data-selection="grand"] .md-comms-ground,
    .md-explorer[data-selection="air-water"] .md-comms-water,
    .md-explorer[data-selection="grand"] .md-comms-water {
      opacity: 1;
    }


    .md-comms-underlay,
    .md-comms-packets {
      fill: none;
      stroke-linecap: round;
    }


    .md-comms-underlay {
      stroke: rgba(255,255,255,.88);
      stroke-width: 8;
      opacity: .78;
    }


    .md-comms-packets {
      stroke: #d86c91;
      stroke-width: 4;
      stroke-dasharray: 7 12;
      filter: drop-shadow(0 1px 2px rgba(16,40,71,.28));
      animation: md-comms-packets 1.25s linear infinite;
    }


    .md-comms-water .md-comms-packets {
      stroke: #4db8d4;
    }


    .md-route {
      fill: none;
      stroke: rgba(16, 40, 71, .72);
      stroke-width: 3;
      stroke-linecap: round;
      stroke-dasharray: .035 .025;
      opacity: 0;
      filter: drop-shadow(0 2px 2px rgba(255,255,255,.82));
      transition: opacity .35s ease;
    }


    .md-route-air { stroke: #ce5f8b; }
    .md-route-ground { stroke: #d89119; }
    .md-route-water { stroke: #147da8; }
    .md-route-transfer { stroke-width: 2.4; stroke-dasharray: .018 .024; }


    .md-air-feature {
      opacity: 0;
      pointer-events: none;
      transition: opacity .72s ease;
    }

    .md-explorer[data-selection="air"] .md-air-feature { opacity: 1; }
    .md-diagram-link[hidden] { display: none; }


    .md-course-markers,
    .md-ground-course-feature,
    .md-water-course-feature {
      opacity: 0;
      transition: opacity .55s ease;
    }


    .md-explorer[data-selection="air"] .md-course-markers,
    .md-explorer[data-selection="ground"] .md-ground-course-feature,
    .md-explorer[data-selection="water"] .md-water-course-feature {
      opacity: .96;
    }

    .md-explorer[data-selection="air"] .md-course-markers {
      animation: md-aerial-landmarks var(--md-cycle) linear infinite;
    }


    .md-explorer[data-selection="air-ground"] .md-ground-course-feature,
    .md-explorer[data-selection="grand"] .md-ground-course-feature,
    .md-explorer[data-selection="air-water"] .md-water-course-feature,
    .md-explorer[data-selection="grand"] .md-water-course-feature {
      opacity: .62;
    }


    .md-explorer[data-mode="cooperative"] .md-scene::after {
      background:
        radial-gradient(circle at 53% 53%, rgba(216,108,145,.12), transparent 24%),
        linear-gradient(125deg, rgba(77,184,212,.08), transparent 42%, rgba(240,198,109,.1));
    }


    .md-soccer-play {
      opacity: 0;
    }

    .md-explorer[data-selection="air"] .md-soccer-play {
      animation: md-soccer-stage var(--md-cycle) linear infinite;
    }

    .md-explorer[data-selection="air"] .md-soccer-striker {
      animation: md-striker-score var(--md-cycle) linear infinite;
    }


    .md-explorer[data-selection="air"] .md-team-signal {
      animation: md-team-signal var(--md-cycle) linear infinite;
    }


    .md-explorer[data-selection="air"] .md-soccer-goal-ring {
      animation: md-goal-glow var(--md-cycle) ease-in-out infinite;
    }


    .md-course-flag {
      transform-box: fill-box;
      transform-origin: left center;
      animation: md-flag-wave 1.9s ease-in-out infinite;
    }


    .md-course-marker:nth-child(2) .md-course-flag { animation-delay: -.7s; }
    .md-course-marker:nth-child(3) .md-course-flag { animation-delay: -1.25s; }


    .md-sky-clouds {
      transform-box: fill-box;
      transform-origin: center;
      animation: md-cloud-drift 7s ease-in-out infinite alternate;
    }


    .md-scene-sun {
      transform-box: fill-box;
      transform-origin: center;
      animation: md-sun-breathe 4.8s ease-in-out infinite alternate;
    }


    .md-vehicle {
      position: absolute;
      z-index: 4;
      display: grid;
      place-items: center;
      width: 12.7778%;
      height: 15.3191%;
      border: 0;
      background: transparent;
      opacity: .28;
      transform: scale(.86);
      transition: opacity .35s ease, transform .35s ease, filter .35s ease;
      will-change: left, top, opacity, rotate;
      backface-visibility: hidden;
    }


    .md-vehicle::before {
      content: "";
      position: absolute;
      z-index: -1;
      inset: -4px;
      border-radius: 50%;
      background: currentColor;
      filter: blur(10px);
      opacity: 0;
    }


    .md-vehicle-icon {
      width: 95.65%;
      height: 88.89%;
      overflow: visible;
      filter: drop-shadow(0 5px 5px rgba(11,31,54,.16));
      transform-origin: 50% 55%;
    }


    .md-uav .md-vehicle-icon { animation: md-airframe-breathe 1.4s ease-in-out infinite; }
    .md-ugv .md-vehicle-icon { animation: md-ground-suspension 1.05s ease-in-out infinite; }
    .md-usv .md-vehicle-icon { animation: md-water-bob 2.2s ease-in-out infinite; }


    .md-vehicle-icon .vehicle-outline {
      stroke: #173c62;
      stroke-width: 4;
      stroke-linecap: round;
      stroke-linejoin: round;
    }


    .md-vehicle-icon .vehicle-detail {
      stroke: #ffffff;
      stroke-width: 2.5;
      stroke-linecap: round;
      opacity: .72;
    }


    .md-uav { top: 24%; left: 5%; color: var(--red); }
    .md-ugv { top: 71%; left: 2.2%; color: var(--orange); }
    .md-usv { top: 69%; left: 82%; color: var(--steel); }


    .md-ugv .md-vehicle-icon {
      width: 84.78%;
      height: 72.22%;
    }


    .md-signal {
      position: absolute;
      top: 58%;
      left: 72%;
      z-index: 2;
      width: 19px;
      height: 19px;
      opacity: 0;
      pointer-events: none;
      filter: drop-shadow(0 1px 2px rgba(255,255,255,.95));
      transform: translate(-50%, -50%) rotate(38deg);
      transition: opacity .3s ease;
    }


    .md-signal span {
      position: absolute;
      inset: 0;
      border: 3px solid transparent;
      border-top-color: #d86c91;
      border-right-color: #d86c91;
      border-radius: 50%;
      opacity: 0;
      animation: md-signal-pulse 2.1s ease-out infinite;
    }


    .md-signal span:nth-child(2) { animation-delay: .7s; }
    .md-signal span:nth-child(3) { animation-delay: 1.4s; }


    .md-explorer[data-selection="air-ground"] .md-uav .md-signal,
    .md-explorer[data-selection="air-water"] .md-uav .md-signal,
    .md-explorer[data-selection="grand"] .md-uav .md-signal {
      display: none;
    }


    .md-explorer[data-selection="air"] .md-uav,
    .md-explorer[data-selection="ground"] .md-ugv,
    .md-explorer[data-selection="water"] .md-usv,
    .md-explorer[data-selection="air-ground"] .md-uav,
    .md-explorer[data-selection="air-ground"] .md-ugv,
    .md-explorer[data-selection="air-water"] .md-uav,
    .md-explorer[data-selection="air-water"] .md-usv,
    .md-explorer[data-selection="grand"] .md-vehicle {
      opacity: 1;
      transform: scale(1);
      filter: drop-shadow(0 2px 3px rgba(16,40,71,.18));
    }


    .md-explorer[data-selection="air"] .md-uav::before,
    .md-explorer[data-selection="ground"] .md-ugv::before,
    .md-explorer[data-selection="water"] .md-usv::before,
    .md-explorer[data-selection="air-ground"] .md-uav::before,
    .md-explorer[data-selection="air-ground"] .md-ugv::before,
    .md-explorer[data-selection="air-water"] .md-uav::before,
    .md-explorer[data-selection="air-water"] .md-usv::before,
    .md-explorer[data-selection="grand"] .md-vehicle::before {
      animation: md-marker-pulse 2.2s ease-out infinite;
    }


    .md-explorer[data-selection="air"] .md-route-air,
    .md-explorer[data-selection="ground"] .md-route-ground,
    .md-explorer[data-selection="water"] .md-route-water,
    .md-explorer[data-selection="air-ground"] .md-route-air,
    .md-explorer[data-selection="air-ground"] .md-route-ground,
    .md-explorer[data-selection="air-water"] .md-route-air,
    .md-explorer[data-selection="air-water"] .md-route-water,
    .md-explorer[data-selection="grand"] .md-route-air,
    .md-explorer[data-selection="grand"] .md-route-ground,
    .md-explorer[data-selection="grand"] .md-route-water {
      opacity: .92;
      animation: md-route-flow 2.4s linear infinite;
    }


    .md-explorer[data-selection="air"] .md-route-air {
      animation: md-air-route-tone var(--md-cycle) ease-in-out infinite;
    }


    .md-air-route-mask {
      stroke-dasharray: 1;
      stroke-dashoffset: 1;
    }


    .md-explorer[data-selection="air"] .md-air-route-mask {
      animation: md-air-route-reveal var(--md-cycle) linear infinite;
    }


    .md-explorer[data-selection="air"] .md-uav {
      animation: md-fly var(--md-cycle) linear infinite;
    }


    .md-explorer[data-selection="ground"] .md-ugv,
    .md-explorer[data-selection="air-ground"] .md-ugv,
    .md-explorer[data-selection="grand"] .md-ugv {
      animation: md-drive var(--md-cycle) linear infinite;
    }

    .md-explorer[data-selection="ground"] .md-ugv {
      animation-delay: .18s;
    }


    .md-explorer[data-selection="water"] .md-usv {
      animation: md-sail var(--md-cycle) linear infinite;
    }


    /* Cooperative missions share one clock: scout, transmit, then act. */
    .md-explorer[data-selection="air-ground"] .md-uav {
      animation: md-coop-scout-ground var(--md-cycle) linear infinite;
    }


    .md-explorer[data-selection="air-water"] .md-uav {
      animation: md-coop-scout-water var(--md-cycle) linear infinite;
    }


    .md-explorer[data-selection="grand"] .md-uav {
      animation: md-coop-scout-grand var(--md-cycle) linear infinite;
    }


    .md-explorer[data-selection="air-ground"] .md-ugv,
    .md-explorer[data-selection="grand"] .md-ugv {
      animation: md-coop-drive var(--md-cycle) linear infinite;
    }


    .md-explorer[data-selection="air-water"] .md-usv,
    .md-explorer[data-selection="grand"] .md-usv {
      animation: md-coop-sail var(--md-cycle) linear infinite;
    }


    .md-explorer[data-mode="cooperative"] .md-uav .md-vehicle-icon {
      animation: md-coop-airframe var(--md-cycle) linear infinite;
    }


    .md-explorer[data-mode="cooperative"] .md-uav::before {
      animation: md-coop-uav-glow var(--md-cycle) ease-out infinite;
    }


    .md-explorer[data-selection="grand"] .md-comms-layer {
      opacity: 1;
      animation: none;
    }


    .md-explorer[data-selection="grand"] .md-comms-ground {
      animation: md-grand-ground-comms var(--md-cycle) linear infinite;
    }


    .md-explorer[data-selection="grand"] .md-comms-water {
      animation: md-grand-water-comms var(--md-cycle) linear infinite;
    }


    .md-explorer[data-selection="air-ground"] .md-signal,
    .md-explorer[data-selection="air-water"] .md-signal,
    .md-explorer[data-selection="grand"] .md-signal {
      animation: md-signal-window var(--md-cycle) linear infinite;
    }


    .md-explorer[data-selection="air-ground"] .md-ugv::before,
    .md-explorer[data-selection="grand"] .md-ugv::before,
    .md-explorer[data-selection="air-water"] .md-usv::before,
    .md-explorer[data-selection="grand"] .md-usv::before {
      animation: md-receiver-ack var(--md-cycle) ease-out infinite;
    }


    .md-scene-status {
      position: relative;
      z-index: 6;
      margin: 0;
      padding: .75rem 1rem;
      border-top: 1px solid var(--rule);
      background: #f5f9fb;
      color: #456078;
      font-size: .75rem;
      line-height: 1.45;
      font-weight: 600;
    }


    @keyframes md-route-flow {
      to { stroke-dashoffset: -.18; }
    }


    @keyframes md-air-route-reveal {
      0% { stroke-dashoffset: 1; }
      50%, 96% { stroke-dashoffset: 0; }
      100% { stroke-dashoffset: 1; }
    }


    @keyframes md-air-route-tone {
      0%, 100% { opacity: 0; }
      8%, 50% { opacity: .72; }
      62%, 96% { opacity: 0; }
    }


    @keyframes md-airframe-breathe {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-2px); }
    }


    @keyframes md-ground-suspension {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-1px); }
    }


    @keyframes md-water-bob {
      0%, 100% { transform: translateY(0) rotate(-.6deg); }
      50% { transform: translateY(-2px) rotate(.6deg); }
    }


    @keyframes md-soccer-stage {
      0%, 51% { opacity: 0; }
      58%, 92% { opacity: 1; }
      100% { opacity: 0; }
    }


    @keyframes md-aerial-landmarks {
      0%, 92% { opacity: .96; }
      97% { opacity: 0; }
      100% { opacity: .96; }
    }


    @keyframes md-striker-score {
      0%, 54% { transform: translate(0, 0) rotate(0deg); }
      66% { transform: translate(40px, -5px) rotate(2deg); }
      74% { transform: translate(85px, 0) rotate(1deg); }
      80% { transform: translate(125px, 0) rotate(0deg); }
      85%, 100% { transform: translate(195px, 0) rotate(0deg); }
    }


    @keyframes md-flag-wave {
      0%, 100% { transform: skewY(0deg) scaleX(1); }
      50% { transform: skewY(-4deg) scaleX(.92); }
    }


    @keyframes md-cloud-drift {
      to { transform: translate(9px, -3px); opacity: .68; }
    }


    @keyframes md-sun-breathe {
      to { transform: scale(1.07); opacity: .86; }
    }


    @keyframes md-comms-window {
      0%, 33%, 61%, 100% { opacity: 0; }
      38%, 55% { opacity: 1; }
      58% { opacity: .32; }
    }


    @keyframes md-grand-ground-comms {
      0%, 25%, 44%, 100% { opacity: 0; }
      29%, 40% { opacity: 1; }
    }


    @keyframes md-grand-water-comms {
      0%, 43%, 63%, 100% { opacity: 0; }
      47%, 59% { opacity: 1; }
    }


    @keyframes md-comms-packets {
      to { stroke-dashoffset: -38; }
    }


    @keyframes md-team-signal {
      0%, 53%, 73%, 100% { opacity: 0; stroke-dashoffset: 0; }
      57%, 68% { opacity: .95; }
      72% { opacity: 0; stroke-dashoffset: -42; }
    }


    @keyframes md-goal-glow {
      0%, 68%, 82%, 100% { stroke-width: 7; filter: none; }
      72%, 77% { stroke-width: 10; filter: drop-shadow(0 0 8px rgba(216,108,145,.7)); }
    }


    @keyframes md-marker-pulse {
      0% { opacity: .34; transform: scale(.62); }
      70% { opacity: .12; }
      100% { opacity: 0; transform: scale(1.08); }
    }


    @keyframes md-signal-pulse {
      0% { opacity: 0; transform: scale(.45); }
      14% { opacity: .9; }
      100% { opacity: 0; transform: scale(4.2); }
    }


    @keyframes md-signal-window {
      0%, 33% { opacity: 0; }
      38%, 55% { opacity: 1; }
      61%, 100% { opacity: 0; }
    }


    @keyframes md-receiver-ack {
      0%, 40% { opacity: 0; transform: scale(.65); }
      45% { opacity: .34; transform: scale(.8); }
      55% { opacity: .12; transform: scale(1.12); }
      62%, 100% { opacity: 0; transform: scale(1.18); }
    }


    @keyframes md-mode-change {
      0% { opacity: .72; }
      100% { opacity: 1; }
    }


    .md-explorer.is-changing .md-explorer-body {
      animation: md-mode-change .42s ease-out both;
    }


    @keyframes md-fly {
      0% { left: 5%; top: 23%; rotate: -1deg; opacity: 1; }
      10% { left: 10%; top: 20%; rotate: 1deg; opacity: 1; }
      20% { left: 17%; top: 19%; rotate: 2deg; opacity: 1; }
      32% { left: 24%; top: 21%; rotate: 1deg; opacity: 1; }
      48% { left: 30%; top: 18%; rotate: -1deg; opacity: 1; }
      62% { left: 32%; top: 17%; rotate: 1deg; opacity: 1; }
      87%, 100% { left: 35%; top: 18%; rotate: 0deg; opacity: 1; }
    }


    @keyframes md-drive {
      0%, 4% { left: 2.2%; top: 71%; rotate: -6deg; }
      11% { left: 6%; top: 65%; rotate: -5deg; }
      20% { left: 12%; top: 59%; rotate: -3deg; }
      31% { left: 22%; top: 57%; rotate: 1deg; }
      42% { left: 33%; top: 59%; rotate: 4deg; }
      51% { left: 43%; top: 70%; rotate: 6deg; }
      58% { left: 40%; top: 76%; rotate: 3deg; }
      67% { left: 33%; top: 81%; rotate: 1deg; }
      77% { left: 23%; top: 82%; rotate: -1deg; }
      88% { left: 11%; top: 80%; rotate: -3deg; }
      96%, 100% { left: 2.2%; top: 71%; rotate: -6deg; }
    }


    @keyframes md-coop-scout-ground {
      0%, 100% { left: 14%; top: 24%; rotate: 0deg; opacity: 1; }
      10% { left: 22%; top: 21%; rotate: 1deg; opacity: 1; }
      20% { left: 36%; top: 18%; rotate: 2deg; opacity: 1; }
      30% { left: 28%; top: 22%; rotate: -1deg; opacity: 1; }
      40% { left: 16%; top: 23%; rotate: -1deg; opacity: 1; }
      50% { left: 22%; top: 22%; rotate: 1deg; opacity: 1; }
      60% { left: 34%; top: 19%; rotate: 2deg; opacity: 1; }
      70% { left: 27%; top: 21%; rotate: -1deg; opacity: 1; }
      80% { left: 19%; top: 23%; rotate: -2deg; opacity: 1; }
      90% { left: 25%; top: 21%; rotate: 1deg; opacity: 1; }
    }


    @keyframes md-coop-scout-water {
      0%, 100% { left: 14%; top: 24%; rotate: 0deg; opacity: 1; }
      10% { left: 25%; top: 20%; rotate: 1deg; opacity: 1; }
      20% { left: 40%; top: 18%; rotate: 2deg; opacity: 1; }
      30% { left: 57%; top: 20%; rotate: 2deg; opacity: 1; }
      40% { left: 72%; top: 23%; rotate: 1deg; opacity: 1; }
      50% { left: 69%; top: 22%; rotate: -1deg; opacity: 1; }
      60% { left: 55%; top: 21%; rotate: -2deg; opacity: 1; }
      70% { left: 35%; top: 19%; rotate: -2deg; opacity: 1; }
      80% { left: 20%; top: 22%; rotate: -2deg; opacity: 1; }
      90% { left: 26%; top: 21%; rotate: 1deg; opacity: 1; }
    }


    @keyframes md-coop-scout-grand {
      0%, 100% { left: 14%; top: 24%; rotate: 0deg; opacity: 1; }
      10% { left: 23%; top: 20%; rotate: 1deg; opacity: 1; }
      20% { left: 34%; top: 18%; rotate: 2deg; opacity: 1; }
      30% { left: 22%; top: 22%; rotate: -2deg; opacity: 1; }
      40% { left: 16%; top: 23%; rotate: 0deg; opacity: 1; }
      50% { left: 48%; top: 19%; rotate: 2deg; opacity: 1; }
      60% { left: 72%; top: 22%; rotate: 1deg; opacity: 1; }
      70% { left: 51%; top: 20%; rotate: -2deg; opacity: 1; }
      80% { left: 31%; top: 21%; rotate: -2deg; opacity: 1; }
      90% { left: 22%; top: 23%; rotate: -1deg; opacity: 1; }
    }


    @keyframes md-coop-airframe {
      0%, 4%, 83%, 100% { transform: translateY(-1px) scale(1); opacity: 1; filter: saturate(1); }
      9%, 77% { transform: translateY(-2px) scale(1); opacity: 1; filter: saturate(1); }
      43% { transform: translateY(0) scale(1); opacity: 1; filter: saturate(1); }
    }


    @keyframes md-coop-uav-glow {
      0%, 4%, 82%, 100% { opacity: .12; transform: scale(.82); }
      10%, 74% { opacity: .24; transform: scale(1); }
      80% { opacity: .16; transform: scale(.88); }
    }


    @keyframes md-coop-drive {
      0%, 53% { left: 2.2%; top: 71%; rotate: -6deg; }
      58% { left: 7%; top: 64%; rotate: -5deg; }
      64% { left: 16%; top: 58%; rotate: -2deg; }
      70% { left: 28%; top: 58%; rotate: 2deg; }
      76% { left: 42%; top: 69%; rotate: 6deg; }
      82% { left: 38%; top: 78%; rotate: 3deg; }
      88% { left: 27%; top: 82%; rotate: 0deg; }
      94% { left: 12%; top: 80%; rotate: -3deg; }
      100% { left: 2.2%; top: 71%; rotate: -6deg; }
    }


    @keyframes md-coop-sail {
      0%, 52% { left: 82%; top: 69%; rotate: -2deg; }
      59% { left: 75%; top: 64%; rotate: -5deg; }
      67% { left: 68%; top: 59%; rotate: -2deg; }
      75% { left: 59%; top: 63%; rotate: 5deg; }
      83% { left: 65%; top: 70%; rotate: 7deg; }
      90% { left: 73%; top: 64%; rotate: -4deg; }
      97%, 100% { left: 82%; top: 69%; rotate: -2deg; }
    }


    @keyframes md-sail {
      0%, 6% { left: 82%; top: 69%; rotate: -2deg; }
      18% { left: 76%; top: 64%; rotate: -5deg; }
      32% { left: 69%; top: 60%; rotate: -2deg; }
      46% { left: 61%; top: 64%; rotate: 5deg; }
      60% { left: 64%; top: 70%; rotate: 8deg; }
      74% { left: 71%; top: 72%; rotate: 3deg; }
      88% { left: 78%; top: 66%; rotate: -4deg; }
      97%, 100% { left: 82%; top: 69%; rotate: -2deg; }
    }


    @media (max-width: 1100px) {
      .md-explorer-body {
        grid-template-columns: 1fr;
        min-height: 0;
      }

      .md-explorer-copy {
        order: 2;
        padding: 1.1rem 1.2rem 1rem;
      }

      .md-explorer-copy h3 {
        margin: .25rem 0 .42rem;
        font-size: clamp(1.3rem, 5vw, 1.65rem);
      }

      .md-explorer-copy > p {
        font-size: .88rem;
        line-height: 1.48;
      }

      .md-choice-set {
        margin-top: .9rem;
      }

      .md-diagram-link {
        margin-top: .82rem;
      }

      .md-scene-wrap {
        min-height: 0;
        border-bottom: 1px solid var(--rule);
        border-left: 0;
      }

    }


    @media (max-width: 520px) {
      .page-flow > #categories {
        padding: 1.4rem .65rem;
      }

      #categories .section-head { margin-bottom: 1rem; }
      #categories .section-head h2 { font-size: 1.45rem; }

      .md-explorer {
        border-radius: 20px;
      }

      .md-scene {
        aspect-ratio: auto;
        height: clamp(215px, 64vw, 300px);
      }

      .md-mode-tab {
        gap: .4rem;
        padding-inline: .55rem;
        font-size: .76rem;
      }

      .md-mode-tab span {
        width: 23px;
        height: 23px;
        flex-shrink: 0;
      }

      .md-choice-set {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .md-explorer[data-mode="single"] .md-choice-set {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .md-choice {
        justify-content: center;
        min-height: 44px;
        padding-inline: .45rem;
        font-size: .75rem;
        line-height: 1.15;
        white-space: normal;
      }

      .md-choice i { display: none; }

      .md-scene-status {
        padding: .55rem .8rem;
        font-size: .72rem;
      }
    }

    .md-choice:hover { border-color: var(--steel); }
    .md-mode-tab:focus-visible,
    .md-choice:focus-visible,
    .md-diagram-link:focus-visible {
      outline: 3px solid #4a9fbe;
      outline-offset: 3px;
    }

    .md-explorer.is-paused .md-scene *,
    .md-explorer.is-paused .md-scene *::before {
      animation-play-state: paused !important;
    }


    @media (prefers-reduced-motion: reduce) {
      .md-scene-wrap { transition: none; }
      .md-route,
      .md-air-route-mask,
      .md-vehicle,
      .md-vehicle-icon,
      .md-air-feature,
      .md-soccer-play,
      .md-course-markers,
      .md-course-flag,
      .md-sky-clouds,
      .md-scene-sun,
      .md-comms-layer,
      .md-comms-packets,
      .md-soccer-striker,
      .md-team-signal,
      .md-soccer-goal-ring,
      .md-signal span,
      .md-vehicle::before,
      .md-comms-channel,
      .md-explorer.is-changing .md-explorer-body {
        animation: none !important;
      }

      .md-explorer[data-selection="air"] .md-soccer-play {
        opacity: 1;
      }
    }