@charset "UTF-8";
:root{color-scheme:dark;--ink:#e9edf1;--muted:#a0abb9;--dim:#687789;--line:rgba(205,219,237,.18);--accent:#e8c59c;--space:#050912;--panel:#0b121d;--font:"Yu Gothic UI","Yu Gothic","Hiragino Kaku Gothic ProN",Meiryo,sans-serif}
*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;overflow:hidden;background:var(--space);color:var(--ink);font-family:var(--font);font-size:14px;-webkit-font-smoothing:antialiased}
body{isolation:isolate}
button,a,input{-webkit-tap-highlight-color:transparent}
button,input{font:inherit}
button,a{touch-action:manipulation}
button{color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
button:focus-visible,a:focus-visible,input:focus-visible,canvas:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
button:disabled{opacity:.4;cursor:default}
[hidden]{display:none!important}
#space{display:block;position:fixed;inset:0;width:100%;height:100%;outline-offset:-5px;touch-action:none;z-index:0}
.screen-shade{position:fixed;inset:0;z-index:1;pointer-events:none;background:linear-gradient(180deg,rgba(2,6,13,.58),transparent 20%,transparent 71%,rgba(2,6,13,.66)),linear-gradient(90deg,rgba(2,6,13,.16),transparent 40%)}
.skip-link{position:fixed;top:8px;left:8px;z-index:20;padding:12px 18px;color:var(--space);background:var(--ink);transform:translateY(-160%)}
.skip-link:focus{transform:translateY(0)}
.site-header{position:fixed;inset:max(28px,env(safe-area-inset-top)) max(38px,env(safe-area-inset-right)) auto max(38px,env(safe-area-inset-left));display:flex;align-items:center;justify-content:space-between;gap:24px;pointer-events:none;z-index:4;transform:translateZ(0)}
.site-header>*{pointer-events:auto}
.wordmark{display:flex;align-items:baseline;gap:.3em;min-height:44px;align-content:center;padding:10px 0;font-family:Arial,Helvetica,sans-serif;font-weight:700;font-size:21px;letter-spacing:.025em;line-height:1.15;white-space:nowrap}
.wordmark span{font-weight:400;letter-spacing:.07em}
.site-navigation{display:flex;align-items:center;gap:29px}
.site-navigation button{min-height:44px;display:flex;gap:10px;align-items:center;font-size:12px;letter-spacing:.075em;padding:10px 0;color:#d2dae4;position:relative}
.site-navigation button::after{content:"";position:absolute;bottom:5px;left:0;width:0;height:1px;background:var(--accent);transition:width .2s}
.site-navigation button:hover{color:#fff}
.site-navigation button:hover::after{width:100%}
.site-navigation button span{color:var(--accent);font-size:13px}
.loading-state{position:fixed;inset:0;display:flex;flex-direction:column;gap:18px;align-items:center;justify-content:center;pointer-events:none;color:var(--muted);background:#050912;z-index:3}
.loading-state p{font-size:12px;letter-spacing:.13em}
.loading-orbit{display:block;width:42px;height:42px;border:1px solid rgba(201,218,240,.2);border-top-color:var(--accent);border-radius:50%;animation:orbit 2.8s linear infinite}
@keyframes orbit{to{transform:rotate(360deg)}}
.voyage-footer{position:fixed;inset:auto max(38px,env(safe-area-inset-right)) max(29px,env(safe-area-inset-bottom)) max(38px,env(safe-area-inset-left));display:flex;align-items:flex-end;justify-content:space-between;gap:28px;z-index:4;pointer-events:none}
.voyage-footer>*{pointer-events:auto}
.voyage-telemetry{font-variant-numeric:tabular-nums}
.voyage-telemetry:has(.voyage-ad:not([hidden])) {
  display: grid;
  grid-template-columns: max-content 250px;
  column-gap: 40px;
  pointer-events: none;
}
.voyage-ad {
  grid-column: 2;
  grid-row: 1 / span 3;
  align-self: center;
  pointer-events: auto;
}
.voyage-ad-label {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 10px;
}
.voyage-ad-banner {
  display: block;
  width: 250px;
  height: 50px;
}
.voyage-ad-banner[data-ad-preview] {
  display: grid;
  place-items: center;
  border: 1px dashed var(--line);
  color: var(--muted);
  font-size: 11px;
}
/* Reserve the footer band outside the interactive canvas while its ad is visible. */
body:has(.voyage-ad:not([hidden])) #space {
  height: calc(100% - 132px);
  mask-image: linear-gradient(#000 calc(100% - 24px), transparent);
}
.voyage-status{display:flex;align-items:center;gap:9px;margin:0 0 14px;font-size:11px;letter-spacing:.13em;color:#c5d1dd}
.status-light{width:4px;height:4px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px rgba(232,197,156,.5)}
.status-light.paused{background:var(--dim);box-shadow:none}
.status-divider{color:var(--dim);margin:0 2px}
.voyage-en{font-size:9px;letter-spacing:.22em;color:#93a3b6}
.simulation-date{font-family:Arial,Helvetica,sans-serif;font-size:15px;letter-spacing:.11em;color:#dee6ef}
.telemetry-values{display:flex;gap:26px;margin:12px 0 0}
.telemetry-values div{display:flex;gap:10px;align-items:baseline}
.telemetry-values dt{font-size:10px;color:#8c9bae;letter-spacing:.04em}
.telemetry-values dd{font:12px Arial,Helvetica,sans-serif;margin:0;letter-spacing:.06em;color:#b4c3d3}
.unit{font-size:9px;margin-left:6px;letter-spacing:.03em;color:#7e91a7}
.view-tools{display:flex;align-items:flex-end;flex-direction:column;gap:12px}
.view-hint{margin:0;color:#91a0b2;font-size:10px;letter-spacing:.045em;opacity:0;transition:opacity .35s}
.scene-ready .view-hint{opacity:1}
.mobile-ship-hint{display:none}
.interior-hint{color:var(--accent);letter-spacing:.17em}
.drag-mark{font-size:14px;margin-right:5px;color:#b3becc}
.hint-dot{margin:0 8px;color:#53677f}
.tool-row{display:flex;align-items:center;gap:3px}
.tool-button{display:flex;align-items:center;gap:9px;min-height:44px;padding:9px 13px;border:1px solid transparent;font-size:11px;letter-spacing:.04em;color:#c4d0df;border-radius:3px;transition:background .2s,border-color .2s}
.tool-button:hover,.tool-button[aria-pressed=true],.tool-button[aria-expanded=true]{background:rgba(31,46,66,.48);border-color:var(--line);color:#f0f4f8}
.tool-icon{font:19px Arial,sans-serif;color:#99abc0;line-height:1}
.shield-label-mobile{display:none}
.shield-button{min-width:44px}
.shield-button[aria-pressed=true]{color:var(--accent)}
.ship-terminal::after{content:"";position:absolute;top:var(--entry-line-top,100%);left:50%;width:1px;height:var(--entry-line-length,48px);background:rgba(210,180,119,.48);transform:rotate(var(--entry-line-angle,0rad));transform-origin:50% 0;pointer-events:none}
.orbit-icon{font-size:15px}
.icon-button{display:inline-flex;justify-content:center;align-items:center;min-width:44px;min-height:44px;font:26px Arial,Helvetica,sans-serif;line-height:1;color:#bac7d7;border-radius:3px}
.icon-button:hover{background:rgba(66,86,111,.25);color:#fff}
.help-button{font-size:12px;width:44px;height:44px;position:relative}
.help-button::after{content:"";position:absolute;inset:14px;border:1px solid #6b7e95;border-radius:50%;pointer-events:none}
.time-tool{position:relative}
.rate-badge{font:9px Arial,sans-serif;color:var(--accent);letter-spacing:.01em;padding-left:1px}
.time-popover{position:absolute;right:0;bottom:calc(100% + 14px);width:286px;padding:16px 18px 18px;background:rgba(11,18,29,.97);border:1px solid rgba(169,191,222,.23);border-radius:5px;box-shadow:0 14px 60px rgba(0,0,0,.35);backdrop-filter:blur(20px)}
.popover-heading{display:flex;justify-content:space-between;align-items:center;margin:-6px -10px 8px 0}
.popover-heading h2{margin:0;font-size:13px;font-weight:500;letter-spacing:.1em}
.popover-heading .icon-button{font-size:22px}
.rate-options{border:0;margin:0;padding:0}
.rate-options legend{font-size:10px;color:#8397af;margin-bottom:8px}
.rate-options label{display:flex;align-items:center;gap:10px;min-height:44px;cursor:pointer;border-top:1px solid rgba(138,162,193,.09)}
.rate-options input{accent-color:var(--accent);width:13px;height:13px;flex:none;margin:0 0 0 1px}
.rate-options label>span{font-size:12px;display:flex;justify-content:space-between;align-items:center;width:100%;gap:8px;color:#c4d0df}
.rate-unit{font:10px Arial,sans-serif;color:#8d9db1;letter-spacing:.03em}
.time-actions{display:flex;justify-content:space-between;gap:10px;border-top:1px solid var(--line);margin-top:8px;padding-top:9px}
.time-actions button{font-size:11px;min-height:44px;padding:6px 0;color:var(--accent)}
.time-actions button:hover{color:#fff}
.popover-note{font-size:10px;line-height:1.9;color:#8d9db1;margin:9px 0 0}
.content-panel{color:var(--ink);background:rgba(8,15,26,.97);border:1px solid rgba(173,195,225,.25);padding:0;width:min(560px,calc(100% - 40px));max-height:min(760px,calc(100% - 56px));border-radius:5px;box-shadow:0 32px 130px rgba(0,0,0,.6);overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#3b4c62 transparent}
.content-panel::backdrop{background:rgba(0,4,12,.56);backdrop-filter:blur(7px)}
.panel-shell{padding:26px 36px 35px}
.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:0 -13px 23px 0}
.eyebrow{color:var(--accent);font:9px Arial,sans-serif;letter-spacing:.23em;line-height:1.6;margin:0}
.panel-heading .icon-button{font-size:26px}
.content-panel h2{font-size:23px;font-weight:500;letter-spacing:.12em;line-height:1.5;margin:0 0 25px}
.content-panel p{font-size:13px;line-height:2.1;color:#aab8ca;margin:16px 0}
.content-panel .panel-intro{font-size:18px;line-height:1.95;letter-spacing:.055em;color:#e2e9f2;margin:0 0 28px}
.work-entry{border-top:1px solid var(--line);padding-top:24px}
.work-meta{display:flex;align-items:center;gap:20px;color:#8e9db1;font-size:10px;letter-spacing:.055em}
.work-meta time{font-family:Arial,sans-serif;letter-spacing:.1em}
.work-entry h3{font-size:26px;font-weight:400;letter-spacing:.15em;line-height:1.7;margin:15px 0 10px}
.provisional{font-size:12px;letter-spacing:.02em;color:#8c9db1;white-space:nowrap}
.primary-link{display:flex;justify-content:space-between;gap:20px;align-items:center;min-height:52px;padding:15px 18px;border:1px solid rgba(230,201,165,.45);font-size:12px;letter-spacing:.07em;color:#f2d7b6;margin-top:30px;transition:background .2s,border-color .2s}
.primary-link:hover{background:rgba(186,145,93,.1);border-color:var(--accent)}
.primary-link>span{font:18px Arial,sans-serif}
.secondary-link{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:48px;margin-top:9px;font-size:11px;color:#a7b6ca}
.secondary-link:hover{color:#fff}
.panel-minor-links{display:flex;align-items:center;gap:26px;margin-top:23px}
.panel-minor-links a{display:inline-flex;align-items:center;min-height:44px;font-size:10px;color:#8d9db2}
.panel-minor-links a:hover{color:var(--ink)}
.guide-list{margin:0}
.guide-list>div{padding:17px 0;border-top:1px solid var(--line)}
.guide-list dt{font-size:12px;letter-spacing:.06em;color:#d6e0ec;margin-bottom:6px}
.guide-list dd{margin:0;color:#98a9bd;font-size:12px;line-height:1.9}
.content-panel .panel-footnote{font-size:11px;color:#8294aa;border-top:1px solid var(--line);padding-top:20px}
.scene-error{position:fixed;left:50%;top:48%;transform:translate(-50%,-50%);width:min(480px,calc(100% - 48px));padding:28px;border:1px solid var(--line);background:#0b1320;z-index:3}
.scene-error h1{font-size:27px;font-weight:400;letter-spacing:.06em;margin:20px 0}
.scene-error p{font-size:12px;color:#a3b3c6;line-height:2}
.text-button{display:block;min-height:44px;padding:8px 0;margin-top:12px;font-size:11px;color:var(--muted)}
.no-script{position:fixed;inset:25% 10% auto;background:#0b1320;padding:25px;z-index:10}
.no-script a{display:block;padding:15px 0;color:var(--accent)}
@media(min-width:1600px){.site-header{inset:38px 52px auto}.voyage-footer{inset:auto 52px 39px}.wordmark{font-size:23px}.site-navigation{gap:36px}}
@media(max-width:760px){.site-header{inset:max(16px,env(safe-area-inset-top)) max(20px,env(safe-area-inset-right)) auto max(20px,env(safe-area-inset-left));gap:10px;align-items:flex-start}.wordmark{font-size:17px;gap:.28em;min-height:44px}.site-navigation{gap:17px}.site-navigation button{font-size:11px;gap:5px;letter-spacing:.03em}.site-navigation button span{font-size:12px}.site-navigation button[data-open-panel=about]{font-size:0;gap:0;width:44px;justify-content:center}.site-navigation button[data-open-panel=about]::before{content:"i";font:14px Georgia,serif;border:1px solid #8193a9;border-radius:50%;width:17px;height:17px;display:grid;place-items:center}.site-navigation button[data-open-panel=about] span{display:none}.voyage-footer{inset:auto max(20px,env(safe-area-inset-right)) max(18px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));gap:12px;align-items:flex-start;flex-direction:column}.voyage-status{margin-bottom:9px;font-size:10px;gap:8px}.voyage-en{font-size:8px;letter-spacing:.19em}.simulation-date{font-size:12px;letter-spacing:.09em}.telemetry-values{margin-top:9px;gap:22px}.telemetry-values dt{font-size:9px}.telemetry-values dd{font-size:10px}.telemetry-values div{gap:8px}.view-tools{gap:0;align-items:flex-start;margin-top:3px;width:100%}.view-hint{display:none}.tool-row{width:100%;gap:0;justify-content:flex-start;margin-left:-10px}.tool-button{font-size:10px;gap:7px;padding:9px 10px;min-height:44px}.tool-icon{font-size:17px}.orbit-icon{font-size:14px}.help-button{margin-left:auto}.time-popover{right:-44px;width:275px;bottom:calc(100% + 10px)}.rate-badge{font-size:8px}.screen-shade{background:linear-gradient(180deg,rgba(2,6,13,.58),transparent 23%,transparent 60%,rgba(2,6,13,.86))}.content-panel{width:calc(100% - 28px);max-height:calc(100% - 32px)}.panel-shell{padding:19px 24px 26px}.panel-heading{margin-bottom:14px}.content-panel h2{font-size:20px;margin-bottom:22px}.content-panel .panel-intro{font-size:16px;margin-bottom:23px}.work-entry h3{font-size:23px}.content-panel p{font-size:12px}.scene-error{top:43%}}
@media(max-width:420px){.site-navigation{gap:12px}.wordmark{display:block;font-size:16px;line-height:1.4;padding-top:3px}.wordmark span{display:block;font-size:11px;letter-spacing:.21em}.site-header{gap:18px}.site-navigation button{font-size:10px}.site-navigation button[data-open-panel=about]{width:32px;min-width:32px}.time-popover{right:-36px}.rate-badge{max-width:40px;overflow:hidden}.tool-button{padding:9px 9px}}
@media(max-height:520px) and (min-width:600px){.site-header{top:12px}.voyage-footer{bottom:12px}.voyage-status{margin-bottom:8px}.view-hint{display:none}.telemetry-values{margin-top:7px}.time-popover{max-height:calc(100vh - 84px);overflow:auto}.content-panel{max-height:calc(100% - 24px)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(max-width:760px){.view-hint{display:block;font-size:9px;margin:0 0 3px 0}.desktop-view-hint,.desktop-ship-hint{display:none}.mobile-ship-hint{display:inline}.is-interior .view-hint{margin-bottom:3px}}
@media(max-height:520px) and (min-width:600px){.view-hint{display:none}}
@media(max-width:760px){.shield-label-desktop{display:none}.shield-label-mobile{display:inline}.tool-row{flex-wrap:wrap;row-gap:0}}
@media(max-width:420px){.tool-row>.tool-button .tool-icon,.time-tool .tool-icon{display:none}.tool-row>.tool-button{padding-inline:7px}.time-tool .tool-button{padding-inline:7px;min-width:44px}.time-tool .rate-badge{display:none}.help-button{min-width:44px;width:44px}}