:root {
  --ink: #f6f8ff;
  --muted: #a9b2c8;
  --night: #050711;
  --panel: #0b1021;
  --panel-2: #111833;
  --line: rgba(141, 162, 214, 0.22);
  --cyan: #00e7ff;
  --blue: #1688ff;
  --violet: #9a4dff;
  --pink: #f14cff;
  --green: #6fffc6;
  --warning: #ffd070;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% -10%, rgba(0, 231, 255, 0.16), transparent 34rem),
    radial-gradient(circle at 88% 16%, rgba(154, 77, 255, 0.18), transparent 30rem),
    var(--night);
  font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
}
a { color: inherit; }
img { max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.narrow { width: min(820px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 99; padding: 12px 16px; background: white; color: #050711; border-radius: 10px; }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(5, 7, 17, .86);
  backdrop-filter: blur(20px);
}
.nav-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 850; letter-spacing: -.02em; }
.brand-logo {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 13px;
  box-shadow: 0 0 30px rgba(0, 231, 255, .17);
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 13px;
  color: white;
  font-weight: 950;
  font-size: 14px;
  letter-spacing: -.08em;
  background: linear-gradient(135deg, var(--cyan), var(--blue) 45%, var(--violet) 74%, var(--pink));
  box-shadow: 0 0 30px rgba(0, 231, 255, .17);
}
.brand small { display: block; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a { padding: 9px 13px; border-radius: 999px; color: #d8def0; text-decoration: none; font-size: 14px; font-weight: 750; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: white; background: rgba(255,255,255,.09); }
.nav-links a[aria-current="page"] { box-shadow: inset 0 0 0 1px rgba(0,231,255,.27); }
.menu-button { display: none; border: 1px solid var(--line); background: var(--panel); color: white; border-radius: 12px; padding: 10px 12px; font: inherit; font-weight: 800; }

main { position: relative; z-index: 1; }
.hero { padding: 88px 0 62px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 18px; color: var(--cyan); font-size: 12px; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: linear-gradient(90deg, var(--cyan), var(--violet)); }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -.04em; }
h1 { max-width: 850px; font-size: clamp(42px, 7vw, 82px); }
h2 { font-size: clamp(30px, 4vw, 48px); }
h3 { font-size: 22px; }
.gradient-text { color: transparent; background: linear-gradient(90deg, var(--cyan), #5ea7ff 43%, #b65bff 78%, var(--pink)); background-clip: text; -webkit-background-clip: text; }
.lead { max-width: 720px; margin: 22px 0 0; color: #c3cbe0; font-size: clamp(18px, 2.3vw, 23px); line-height: 1.5; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 19px; border-radius: 14px; text-decoration: none; font-weight: 850; border: 1px solid rgba(255,255,255,.12); }
.button-primary { color: #041017; background: linear-gradient(100deg, var(--cyan), #77d7ff); box-shadow: 0 12px 36px rgba(0, 231, 255, .2); }
.button-secondary { background: rgba(255,255,255,.06); }
.button:hover { transform: translateY(-1px); }
.mini-note { margin-top: 18px; color: var(--muted); font-size: 13px; }
.hero-orbit { min-height: 420px; position: relative; display: grid; place-items: center; }
.hero-orbit::before, .hero-orbit::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(0,231,255,.19); }
.hero-orbit::before { width: 360px; height: 360px; box-shadow: 0 0 90px rgba(0,231,255,.10), inset 0 0 90px rgba(154,77,255,.08); }
.hero-orbit::after { width: 260px; height: 260px; border-color: rgba(154,77,255,.28); }
.tier-dial { position: relative; z-index: 2; width: 230px; aspect-ratio: 1; display: grid; place-items: center; text-align: center; border-radius: 50%; border: 1px solid rgba(255,255,255,.16); background: linear-gradient(145deg, rgba(16,28,56,.92), rgba(7,10,22,.96)); box-shadow: var(--shadow); }
.tier-dial strong { display: block; font-size: 58px; line-height: .9; letter-spacing: -.07em; }
.tier-dial span { color: var(--muted); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.orbit-chip { position: absolute; z-index: 3; padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; background: rgba(11,16,33,.94); color: #d6ddf1; font-size: 13px; font-weight: 800; box-shadow: var(--shadow); }
.orbit-chip.one { top: 14%; left: 3%; }
.orbit-chip.two { right: 0; top: 24%; }
.orbit-chip.three { bottom: 12%; left: 16%; }
.hero-logo-panel {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(126, 238, 255, .22);
  border-radius: 28px;
  background: #040711;
  box-shadow: 0 30px 90px rgba(0,0,0,.42), 0 0 70px rgba(0,231,255,.09);
}
.hero-brand-image { display: block; width: 100%; height: auto; }

.section { padding: 74px 0; }
.section-tight { padding: 48px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.section-head p { max-width: 580px; margin: 0; color: var(--muted); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card, .module { border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(150deg, rgba(17,24,51,.86), rgba(8,12,26,.88)); box-shadow: var(--shadow); }
.card { padding: 26px; }
.card p, .module p { color: #bbc4da; }
.tier-card { position: relative; overflow: hidden; min-height: 315px; display: flex; flex-direction: column; }
.tier-card-image {
  display: block;
  width: calc(100% + 52px);
  max-width: none;
  aspect-ratio: 16 / 9;
  margin: -26px -26px 22px;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}
.tier-card::after { content: ""; position: absolute; width: 190px; height: 190px; right: -80px; top: -85px; border-radius: 50%; background: var(--tier-glow, rgba(0,231,255,.18)); filter: blur(7px); }
.tier-card .kicker { color: var(--tier-color, var(--cyan)); font-size: 12px; font-weight: 900; letter-spacing: .16em; }
.tier-card h3 { margin-top: 18px; font-size: 32px; }
.tier-card .price-band { margin: 6px 0 14px; font-size: 15px; font-weight: 850; color: white; }
.tier-card p { margin: 0 0 22px; }
.tier-card a { margin-top: auto; color: var(--tier-color, var(--cyan)); font-weight: 900; text-decoration: none; }
.tier-card.start { --tier-color: var(--cyan); --tier-glow: rgba(0,231,255,.22); }
.tier-card.plus { --tier-color: #708dff; --tier-glow: rgba(74,115,255,.25); }
.tier-card.pro { --tier-color: #cf66ff; --tier-glow: rgba(190,72,255,.25); }
.icon-tile { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; background: rgba(0,231,255,.1); color: var(--cyan); font-weight: 950; margin-bottom: 18px; }
.checklist { list-style: none; padding: 0; margin: 20px 0 0; }
.checklist li { position: relative; padding-left: 28px; margin: 10px 0; color: #c6cee1; }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 950; }
.notice { padding: 20px 22px; border: 1px solid rgba(255,208,112,.3); border-radius: 16px; background: rgba(255,208,112,.075); color: #f7dfac; }
.notice strong { color: var(--warning); }

.guide-hero { padding: 66px 0 38px; }
.guide-intro-grid { display: grid; grid-template-columns: 1.07fr .93fr; gap: 38px; align-items: center; }
.guide-cover {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(126,238,255,.22);
  border-radius: 24px;
  background: #040711;
  box-shadow: var(--shadow);
}
.guide-cover img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; color: var(--muted); font-size: 13px; }
.breadcrumbs a { text-decoration: none; }
.guide-title { font-size: clamp(42px, 6vw, 72px); }
.guide-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.pill { display: inline-flex; align-items: center; min-height: 35px; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; color: #c7d0e5; background: rgba(255,255,255,.035); font-size: 13px; font-weight: 750; }
.quick-decision { display: grid; grid-template-columns: .72fr 1.28fr; gap: 28px; padding: 30px; margin-top: 34px; }
.quick-decision strong { font-size: 17px; color: var(--cyan); }
.quick-decision p { margin: 0; }
.article-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 54px; align-items: start; }
.toc { position: sticky; top: 104px; padding: 18px; border-left: 1px solid var(--line); }
.toc strong { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.toc a { display: block; padding: 7px 0; color: #c7d0e5; text-decoration: none; font-size: 14px; }
.toc a:hover { color: var(--cyan); }
.article h2 { margin-top: 72px; scroll-margin-top: 110px; }
.article h2:first-child { margin-top: 0; }
.article h3 { margin-top: 34px; }
.article > p, .article li { color: #c0c9dd; }
.article a:not(.button) { color: #7eeeff; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.use-case { min-height: 250px; }
.use-case .fit { display: inline-flex; margin-top: 10px; padding: 4px 9px; border-radius: 999px; color: #071712; background: var(--green); font-size: 11px; font-weight: 950; text-transform: uppercase; letter-spacing: .09em; }
.use-case .fit.partial { color: #211702; background: var(--warning); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.product-card { display: flex; flex-direction: column; min-height: 510px; padding: 23px; border: 1px solid var(--line); border-radius: 20px; background: rgba(12,18,39,.82); }
.product-no { color: var(--cyan); font-size: 12px; font-weight: 950; letter-spacing: .16em; }
.product-card h3 { margin-top: 13px; font-size: 23px; }
.product-card .role { color: #edf2ff; font-weight: 850; }
.product-card ul { padding-left: 19px; }
.product-card li { margin: 8px 0; font-size: 14px; }
.product-card .limit { padding-top: 14px; margin-top: auto; border-top: 1px solid var(--line); color: #f3c3d6; font-size: 13px; }
.product-card .product-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.product-card .product-links a { padding: 7px 10px; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; font-size: 12px; font-weight: 850; }
.affiliate-disclosure { margin: 20px 0 0; padding: 16px 18px; border: 1px solid rgba(0,229,255,.28); border-radius: 14px; color: #d9e7ff; background: rgba(0,229,255,.07); font-size: 14px; }
.affiliate-disclosure a { color: #7eeeff; }
.affiliate-link { border-color: rgba(0,229,255,.5) !important; color: #061017 !important; background: linear-gradient(110deg, var(--cyan), #84c8ff); }
.alternative-links { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0 20px; }
.alternative-links a { display: inline-flex; align-items: center; min-height: 40px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; font-size: 13px; font-weight: 850; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; }
table { width: 100%; border-collapse: collapse; min-width: 690px; }
th, td { padding: 15px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: white; font-size: 12px; text-transform: uppercase; letter-spacing: .09em; background: rgba(255,255,255,.035); }
td { color: #c2cbe0; }
tr:last-child td { border-bottom: 0; }
.steps { counter-reset: step; display: grid; gap: 14px; padding: 0; list-style: none; }
.steps li { counter-increment: step; position: relative; padding: 20px 20px 20px 67px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.025); }
.steps li::before { content: counter(step); position: absolute; left: 18px; top: 18px; width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; color: #041017; background: var(--cyan); font-weight: 950; }
.source-list { padding-left: 19px; font-size: 14px; }
.source-list li { margin: 10px 0; }
.related { margin-top: 76px; padding: 28px; }
.related-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

.legal h1 { margin-bottom: 22px; font-size: clamp(38px, 6vw, 64px); }
.legal h2 { margin-top: 48px; font-size: 28px; }
.legal p, .legal li { color: #c1cadf; }
.legal a { color: #7eeeff; text-underline-offset: 3px; }
.legal-address { font-style: normal; color: #dce4f7; }
.placeholder { padding: 13px 15px; border: 1px dashed rgba(255,208,112,.44); border-radius: 12px; color: #ffe0a1; background: rgba(255,208,112,.06); font-weight: 750; }

.site-footer { position: relative; z-index: 1; padding: 54px 0 92px; border-top: 1px solid rgba(255,255,255,.08); background: rgba(2,4,10,.55); }
.footer-grid { display: grid; grid-template-columns: 1.15fr .85fr .85fr; gap: 36px; }
.site-footer h3 { font-size: 16px; }
.site-footer p { color: var(--muted); max-width: 500px; }
.site-footer a { display: block; margin: 8px 0; color: #c4cce0; text-decoration: none; }
.site-footer a:hover { color: var(--cyan); }
.site-footer .brand { display: inline-flex; }
.footer-note { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); color: #808ba5; font-size: 12px; }
.mobile-dock { display: none; }

@media (max-width: 920px) {
  .hero-grid, .quick-decision, .article-layout, .guide-intro-grid { grid-template-columns: 1fr; }
  .hero-orbit { min-height: 340px; }
  .grid-3, .product-grid { grid-template-columns: 1fr; }
  .product-card { min-height: auto; }
  .toc { position: static; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 20px; border-left: 0; border: 1px solid var(--line); border-radius: 16px; }
  .toc strong { grid-column: 1 / -1; }
  .section-head { align-items: start; flex-direction: column; }
}

@media (max-width: 720px) {
  .container, .narrow { width: min(1160px, calc(100% - 28px)); }
  .nav-row { min-height: 66px; }
  .menu-button { display: inline-flex; }
  .nav-links { display: none; position: absolute; left: 14px; right: 14px; top: 72px; padding: 12px; flex-direction: column; align-items: stretch; border: 1px solid var(--line); border-radius: 16px; background: #0a0e1e; box-shadow: var(--shadow); }
  .nav-links[data-open="true"] { display: flex; }
  .nav-links a { padding: 12px 14px; }
  .hero { padding-top: 58px; }
  .hero-grid { gap: 20px; }
  .hero-logo-panel { border-radius: 20px; }
  .hero-orbit { min-height: 315px; transform: scale(.9); }
  .section { padding: 54px 0; }
  .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .toc { grid-template-columns: 1fr; }
  .guide-hero { padding-top: 45px; }
  .quick-decision { padding: 22px; }
  .article h2 { margin-top: 56px; }
  .mobile-dock { position: fixed; z-index: 45; display: grid; grid-template-columns: repeat(4, 1fr); left: 10px; right: 10px; bottom: 10px; min-height: 58px; padding: 6px; border: 1px solid rgba(255,255,255,.13); border-radius: 18px; background: rgba(8,11,24,.93); backdrop-filter: blur(18px); box-shadow: var(--shadow); }
  .mobile-dock a { display: grid; place-items: center; border-radius: 12px; color: #aeb8cf; text-decoration: none; font-size: 11px; font-weight: 850; }
  .mobile-dock a[aria-current="page"] { color: #061017; background: linear-gradient(110deg, var(--cyan), #84c8ff); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}