:root {
  color-scheme: dark;
  --page: #1a2a22;
  --ink: #eff3f6;
  --muted: #c9d7cf;
  --dark: #0a1a12;
  --surface: #12261c;
  --accent: #14bf2e;
  --link: #5fe05a;
  --line: #2c4a3a;
  --width: 1040px;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 100px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(ellipse 70% 42% at 82% 0%, rgba(20, 191, 46, 0.14), transparent 58%),
    var(--page);
  font: 1.0625rem/1.75 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}
a { color: var(--link); text-underline-offset: 3px; }
a:hover { color: #b6ff9a; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
.container { width: min(calc(100% - 48px), var(--width)); margin-inline: auto; }
.skip { position: fixed; top: -80px; left: 16px; z-index: 30; padding: 10px 18px; background: #fff; color: #12261c; }
.skip:focus { top: 12px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--dark);
  border-bottom: 1px solid var(--line);
}
.header-inner { min-height: 76px; padding-block: 14px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
.logo { display: inline-flex; flex-shrink: 0; }
.logo img { display: block; width: 202px; height: auto; }
.account-nav { display: flex; flex-wrap: wrap; gap: 10px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 23px;
  border-radius: 4px;
  color: #fff;
  font-size: .9375rem;
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
  border: 1px solid transparent;
}
.login { background: #10261b; color: var(--ink); border-color: #2f6a40; }
.signup { background: var(--accent); color: #fff; border-color: var(--accent); }
.login:hover { background: #173526; border-color: #3dcc4a; color: #fff; }
.signup:hover { background: #3dcc4a; border-color: #3dcc4a; color: #fff; }
article { padding-block: 38px 60px; }
h1, h2, h3 { color: #f4f7f5; line-height: 1.35; letter-spacing: -.015em; }
h1 { margin: 0 0 21px; font-size: clamp(1.875rem, 3vw, 2.25rem); }
h2 { margin: 38px 0 17px; font-size: 1.625rem; }
h3 { margin: 28px 0 13px; font-size: 1.3125rem; }
p { margin: 0 0 18px; color: var(--muted); }
article a { font-weight: 700; }
.hero-media,
.content-media {
  margin: 0 0 24px;
  padding: 0;
}
.hero-media { margin-bottom: 28px; }
.hero-media img,
.content-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #07140e;
}
.hero-media .button,
.content-media .button {
  margin-top: 16px;
}
.contents { margin: 28px 0 32px; border: 1px solid var(--line); border-radius: 9px; background: #102018; }
.contents summary { display: flex; align-items: center; gap: 11px; padding: 17px 20px; list-style: none; cursor: pointer; font-weight: 700; color: #eff6f1; }
.contents summary::-webkit-details-marker { display: none; }
.contents summary img { flex-shrink: 0; }
.contents-chevron { margin-left: auto; }
.contents:not([open]) .contents-chevron { transform: rotate(-90deg); }
.contents[open] summary { border-bottom: 1px solid var(--line); }
.contents nav { padding: 20px; }
.contents ol { margin: 0; padding-left: 24px; columns: 2; column-gap: 36px; }
.contents li { margin: 0 0 8px; padding-left: 3px; break-inside: avoid; font-size: .9375rem; line-height: 1.6; color: var(--muted); }
.contents a { color: #d7e8dc; font-weight: 400; }
.contents a:hover { color: var(--link); }
.faq { display: grid; gap: 12px; margin-block: 24px 8px; }
.faq details { border: 1px solid var(--line); border-radius: 9px; background: #102018; }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px; border-radius: 9px; background: #163024; color: #eff6f1; font-weight: 600; line-height: 1.5; list-style: none; cursor: pointer; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { background: #1c3a2c; }
.faq summary img { flex-shrink: 0; }
.faq details[open] summary { border-radius: 9px 9px 0 0; border-bottom: 1px solid var(--line); }
.faq details[open] summary img { transform: rotate(180deg); }
.faq-answer { padding: 18px 20px 20px; }
.faq-answer p { margin: 0; }
.warning {
  margin: 0 0 18px;
  padding: 16px 18px 16px 20px;
  border-left: 3px solid #f5a524;
  border-radius: 0 8px 8px 0;
  background: #14281e;
  color: #f4f7f5;
  box-shadow: inset 0 0 0 1px #3d5c32;
}
.table-block { margin-block: 24px; }
.table-hint { display: none; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 9px; background: #0d1c15; }
.table-scroll:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
table { width: 100%; min-width: 560px; border-collapse: separate; border-spacing: 0; table-layout: fixed; font-size: 1rem; line-height: 1.45; }
table.cols-3 { min-width: 760px; }
.table-label { width: 30%; }
table.cols-3 .table-label { width: 22%; }
th, td { padding: 12px 14px; text-align: left; vertical-align: middle; overflow-wrap: break-word; border-bottom: 1px solid var(--line); }
th + th, th + td, td + td { border-left: 1px solid var(--line); }
thead th { padding-block: 12px; background: #0e2418; color: #8dff78; font-weight: 600; border-color: #245c38; }
tbody th { font-weight: 600; background: #13281e; color: #e7f6ea; }
tbody td { background: #102018; color: var(--muted); }
tbody tr:nth-child(even) td { background: #14261d; }
tbody tr:nth-child(even) th { background: #173024; }
tbody tr:last-child > * { border-bottom: 0; }
.site-footer { background: #07140e; color: #b7c9be; border-top: 1px solid var(--line); }
.footer-inner { min-height: 84px; padding-block: 23px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 15px; font-size: .875rem; }
.footer-inner p { margin: 0; color: #b7c9be; }
@media (max-width: 808px) {
  .table-hint { display: block; margin-bottom: 10px; color: var(--muted); font-size: .9375rem; }
  tbody th, thead th:first-child { position: sticky; left: 0; z-index: 1; }
}
@media (max-width: 680px) {
  .container { width: calc(100% - 36px); }
  body { font-size: 1rem; line-height: 1.72; }
  .header-inner { min-height: 68px; padding-block: 12px; gap: 10px; }
  .logo img { width: 152px; }
  .account-nav { gap: 7px; }
  .button { padding: 8px 14px; font-size: .875rem; }
  article { padding-block: 28px 40px; }
  h1 { font-size: 25px; }
  h2 { font-size: 1.4375rem; margin-top: 32px; }
  h3 { font-size: 1.1875rem; }
  .contents ol { columns: 1; }
  table { font-size: .9375rem; min-width: 480px; }
  table.cols-3 { min-width: 640px; }
  th, td { padding: 10px; }
  .hero-media { margin-bottom: 22px; }
  .hero-media img,
  .content-media img { border-radius: 8px; }
}
@media (max-width: 520px) {
  .hero-media .button,
  .content-media .button { width: 100%; }
}
@media (max-width: 359px) {
  h1 { letter-spacing: -.04em; }
  .logo img { width: 129px; }
  .button { padding-inline: 11px; }
}
@media print {
  .site-header, .contents, .site-footer, .skip, .hero-media .button, .content-media .button { display: none; }
  .container { width: 100%; }
  article { padding: 0; }
  h1, h2, h3 { break-after: avoid; }
  p { orphans: 3; widows: 3; }
  body { background: #fff; color: #111; }
}
