:root { color-scheme: light; font-family: Arial, sans-serif; color: #26434a; }
* { box-sizing: border-box; }
body { margin: 0; background: #fff; }
a { color: inherit; }
.explorer { margin: 0; width: 100%; }
.viewport { width: 100%; overflow-x: auto; overflow-y: hidden; overscroll-behavior-x: contain; scrollbar-width: thin; scrollbar-color: #91aeb7 #edf2f3; }
.scene { position: relative; width: 100%; min-width: 1280px; aspect-ratio: 2048 / 706; overflow: hidden; isolation: isolate; }
.scene > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; user-select: none; }
.lines, .labels { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.lines { overflow: visible; }
.line { fill: none; stroke: #e0faff; stroke-width: 2; opacity: 0; filter: drop-shadow(0 1px 2px #125569); }
.point { fill: #c7f5ff; stroke: #fff; stroke-width: 1.5; opacity: 0; }
.hit { fill: none; stroke: transparent; stroke-width: 26; pointer-events: stroke; cursor: pointer; }
.point-hit { fill: transparent; pointer-events: all; cursor: pointer; }
.is-active .line, .is-active .point { opacity: 1; }
.callout { position: absolute; display: block; min-height: 36px; pointer-events: auto; text-decoration: none; outline: none; z-index: 1; -webkit-tap-highlight-color: transparent; }
.enlargement { position: absolute; top: 0; left: 0; display: block; width: max-content; max-width: 330px; padding: 5px 7px; border-radius: 2px; border-bottom: 1px solid #adf0ff; background: rgba(17, 58, 72, .93); color: #f4fcff; font-size: 1rem; line-height: 1.35; font-weight: 500; white-space: normal; opacity: 0; pointer-events: none; transform-origin: top left; transition: opacity .14s ease, transform .18s ease; box-shadow: 0 2px 8px #14394633; }
.callout.is-active { z-index: 3; }
.callout.is-active .enlargement { opacity: 1; pointer-events: auto; }
.callout:focus-visible .enlargement { outline: 2px solid white; outline-offset: 3px; }
.support { display: flex; align-items: center; padding: 12px 16px; min-height: 45px; background: #f5f8f9; font-size: .9375rem; line-height: 1.5; }
.hint { margin: 0; }
.touch-hint, .selection { display: none; }
.selection { align-items: center; gap: 12px; width: 100%; }
.selection strong { font-size: 1rem; font-weight: 600; }
.selection a { font-weight: 600; text-underline-offset: 3px; white-space: nowrap; padding: 10px 0; }
.selection button { flex: 0 0 44px; height: 44px; margin-left: auto; border: 0; background: transparent; font-size: 1.75rem; color: inherit; cursor: pointer; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (max-width: 1279px) { .desktop-hint { display: none; } .touch-hint { display: block; } }
@media (hover: none), (pointer: coarse) {
  .desktop-hint { display: none; }
  .touch-hint { display: block; }
  .support.has-selection .hint { display: none; }
  .support.has-selection .selection { display: flex; flex-wrap: wrap; gap: 2px 12px; }
  .selection strong { flex: 1 0 calc(100% - 56px); }
  .selection button { order: 1; }
  .selection a { order: 2; }
}
@media (prefers-reduced-motion: reduce) { .enlargement { transition: none; } }