* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  background: #111111;
  color: #e6e6e6;
  font-family: "Segoe UI", Tahoma, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
}

a {
  color: #7eacff;
  text-underline-offset: 2px;
}

a:hover {
  color: #b7d0ff;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 1px solid #3d74e0;
  outline-offset: 3px;
}

.stars {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.star-layer {
  position: absolute;
  left: 0;
  width: 100%;
  height: 200%;
  animation: drift var(--dur) linear infinite;
}

.star {
  position: absolute;
  background: #fff;
  border-radius: 50%;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(0, -50%, 0);
  }
}

.shoot {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 0;
  height: 1.5px;
  pointer-events: none;
  opacity: 0;
  transform-origin: right center;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08) 35%, rgba(255, 255, 255, 0.75));
}

.shoot::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 50%;
  width: 3px;
  height: 3px;
  margin-top: -1.5px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 6px 1px rgba(255, 255, 255, 0.35);
}

@media (prefers-reduced-motion: reduce) {
  .star-layer {
    animation: none;
  }
}

.layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

aside {
  padding: 20px 16px 32px;
}

.logo {
  display: block;
  width: 150px;
  height: auto;
  margin: 0 0 18px;
}

.group {
  margin: 0 0 10px;
}

.support-toggle {
  margin-top: 8px;
}

#support p {
  margin: 0;
  max-width: 42em;
  color: #c8c8c8;
}

.group-toggle {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 12px 4px;
  color: #d8d8d8;
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.group-toggle:hover {
  color: #fff;
}

.group-items {
  padding: 2px 0 8px 14px;
}

.product {
  display: block;
  width: 100%;
  padding: 8px 4px;
  color: #9a9a9a;
  text-align: left;
  cursor: pointer;
  line-height: 1.35;
}

.product:hover,
.product[aria-current="true"] {
  color: #fff;
}

main {
  padding: 36px 48px 80px;
}

.content {
  max-width: 640px;
}

.content.page-out {
  animation: page-out 0.14s ease forwards;
}

.content.page-in {
  animation: page-in 0.26s ease;
}

@keyframes page-out {
  from {
    opacity: 1;
    transform: none;
  }
  to {
    opacity: 0;
    transform: translateY(8px);
  }
}

@keyframes page-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .content.page-out,
  .content.page-in {
    animation: none;
  }
}

.kicker {
  margin: 0 0 4px;
  color: #8a8a8a;
  font-size: 13px;
}

h1 {
  margin: 0 0 10px;
  font-size: 28px;
  font-weight: 600;
}

.warn {
  margin: 0 0 14px;
  color: #e24b4b;
}

.warn strong {
  font-weight: 700;
}

.intro {
  margin: 0 0 8px;
  color: #a3a3a3;
}

.notice-label {
  margin: 18px 0 4px;
  color: #d36b6b;
  font-size: 13px;
  font-weight: 600;
}

.notice h2 {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 600;
}

.notice p:last-child {
  margin: 0;
  color: #bdbdbd;
}

.step {
  border-bottom: 1px solid #242424;
}

.step:first-child {
  border-top: 1px solid #242424;
}

.step h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.step button {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 2px;
  text-align: left;
  cursor: pointer;
}

.step button:hover .label {
  color: #fff;
}

.num {
  width: 1.1em;
  color: #7a7a7a;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}

.chev {
  display: grid;
  place-items: center;
  width: 16px;
  height: 16px;
  margin-left: auto;
  flex: none;
  color: #8a8a8a;
}

.chev svg {
  display: block;
}

button[aria-expanded="true"] .chev {
  transform: rotate(180deg);
  color: #e6e6e6;
}

.panel {
  padding: 0 2px 16px 30px;
  color: #c8c8c8;
}

.video {
  position: relative;
  height: 0;
  margin: 0 0 14px;
  padding-top: 56.25%;
  overflow: hidden;
  background: #000;
}

.video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.shot {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 12px;
}

.panel p,
.panel ol,
.panel ul {
  margin: 0 0 12px;
}

.panel li {
  margin: 6px 0;
}

.panel ol,
.panel ul {
  padding-left: 18px;
}

.download {
  display: inline-block;
  margin: 2px 8px 2px 0;
  padding: 8px 12px;
  background: #2457c5;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
}

.download:hover {
  background: #2d64d4;
  color: #fff;
}

.filename {
  margin-top: -4px;
  color: #8a8a8a;
  font-size: 13px;
}

.panel h3 {
  margin: 26px 0 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid #2a2a2a;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}

@media (min-width: 761px) {
  aside {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: auto;
  }
}

@media (max-width: 760px) {
  .layout {
    grid-template-columns: 1fr;
  }

  main {
    padding: 8px 20px 64px;
  }
}