:root {
  --bg: #020712;
  --bg-soft: #071224;
  --panel: rgba(10, 24, 43, .68);
  --line: rgba(154, 201, 255, .16);
  --text: #f5f8fb;
  --muted: #9aa9bc;
  --blue: #58baff;
  --cyan: #8de5ff;
  --green: #9ccc48;
  --orange: #ff8d32;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Noto Sans JP", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  z-index: 20;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.11'/%3E%3C/svg%3E");
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; background: #fff; color: #000; }
.skip-link:focus { top: 12px; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: 76px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 max(28px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid transparent;
  transition: background .35s, border-color .35s, height .35s;
}
.site-header.is-scrolled { height: 64px; background: rgba(2, 7, 18, .82); border-color: var(--line); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: 10px; width: max-content; font-size: 15px; letter-spacing: .02em; }
.brand b { font-weight: 500; color: var(--muted); }
.brand-icon { flex: 0 0 auto; width: 32px; height: 32px; border-radius: 8px; object-fit: cover; box-shadow: 0 0 0 1px rgba(255,255,255,.16), 0 5px 18px rgba(0,0,0,.24); }
.desktop-nav { display: flex; gap: 28px; color: #bac5d4; font-size: 13px; }
.desktop-nav a { transition: color .2s; }
.desktop-nav a:hover { color: #fff; }
.header-cta { justify-self: end; padding: 9px 18px; border: 1px solid rgba(141, 229, 255, .4); border-radius: 99px; color: var(--cyan); font-size: 12px; letter-spacing: .08em; }
.menu-button, .mobile-nav { display: none; }

.hero { position: relative; min-height: 100svh; display: grid; grid-template-columns: minmax(0, .88fr) minmax(420px, 1.12fr); align-items: center; gap: 40px; overflow: hidden; padding: 120px max(28px, calc((100vw - var(--max)) / 2)) 70px; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 72% 46%, rgba(36, 135, 218, .18), transparent 34%), radial-gradient(circle at 24% 45%, rgba(40, 92, 151, .12), transparent 28%), linear-gradient(180deg, #020610, #030a16); }
.hero-stars, .hero-stars::before, .hero-stars::after { position: absolute; inset: 0; content: ""; background-image: radial-gradient(circle, rgba(160, 213, 255, .8) 0 1px, transparent 1.4px); background-size: 82px 82px; }
.hero-stars { opacity: .3; mask-image: linear-gradient(to right, transparent 0, #000 35%, #000); }
.hero-stars::before { transform: translate(32px, 20px); background-size: 137px 137px; opacity: .7; }
.hero-stars::after { transform: translate(-20px, 55px); background-size: 203px 203px; opacity: .5; }
.orbit { position: absolute; border: 1px solid rgba(71, 167, 240, .22); border-radius: 50%; pointer-events: none; }
.orbit-one { width: 72vw; height: 23vw; right: -12vw; top: 36%; transform: rotate(-10deg); }
.orbit-two { width: 60vw; height: 18vw; right: -6vw; top: 51%; transform: rotate(17deg); }
.hero-copy { position: relative; z-index: 3; padding-bottom: 3vh; }
.eyebrow { margin: 0 0 26px; color: var(--cyan); font-size: 11px; font-weight: 600; letter-spacing: .22em; }
.eyebrow span { display: inline-block; width: 34px; height: 1px; margin: 0 12px 3px 0; background: currentColor; }
h1, h2, h3, p { text-wrap: pretty; }
h1 { margin: 0; font-size: clamp(48px, 3.7vw, 82px); font-weight: 500; line-height: 1.13; letter-spacing: -.055em; }
h1 em { color: transparent; font-style: normal; background: linear-gradient(90deg, #fff 5%, #8cd9ff 55%, #5db8ff); background-clip: text; -webkit-background-clip: text; }
.hero-lead { max-width: 590px; margin: 32px 0 0; color: #b1bdcb; font-size: clamp(15px, 1.35vw, 18px); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px 24px; margin-top: 37px; }
.store-buttons { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.app-store-button { display: inline-flex; align-items: center; gap: 11px; padding: 9px 19px 9px 15px; border: 1px solid rgba(255,255,255,.35); border-radius: 10px; background: #f8fafc; color: #05070a; box-shadow: 0 8px 40px rgba(33, 131, 226, .16); transition: transform .2s, box-shadow .2s; }
.app-store-button:hover { transform: translateY(-2px); box-shadow: 0 12px 50px rgba(66, 174, 255, .25); }
.app-store-button .apple { width: 27px; color: #000; font-family: -apple-system, BlinkMacSystemFont, sans-serif; font-size: 30px; line-height: 1; }
.app-store-button span:last-child { display: flex; flex-direction: column; line-height: 1.02; }
.app-store-button small { font-size: 9px; }
.app-store-button strong { font-size: 19px; letter-spacing: -.04em; }
.google-play-button { display: inline-flex; border-radius: 8px; transition: transform .2s, filter .2s; }
.google-play-button:hover { transform: translateY(-2px); filter: drop-shadow(0 12px 26px rgba(66,174,255,.2)); }
.google-play-button img { display: block; width: auto; height: 50px; }
.text-link { color: #c1ccd8; font-size: 13px; border-bottom: 1px solid rgba(255,255,255,.24); }
.text-link span { color: var(--blue); margin-left: 6px; }
.hero-visual { position: relative; z-index: 2; justify-self: end; width: min(50vw, 680px); }
.hero-image-wrap { position: relative; overflow: hidden; border-radius: 50%; box-shadow: 0 0 0 1px rgba(102,184,255,.2), 0 0 100px rgba(41,133,222,.2); }
.hero-image-wrap::after { content: ""; position: absolute; inset: 0; border-radius: 50%; box-shadow: inset 0 0 60px 12px #020712; }
.hero-image-wrap img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.signal-card { position: absolute; display: flex; align-items: center; gap: 8px; padding: 8px 13px; border: 1px solid rgba(135,199,255,.25); border-radius: 99px; background: rgba(6,19,35,.78); backdrop-filter: blur(8px); color: #afc5da; font-size: 9px; letter-spacing: .18em; }
.signal-card span { width: 6px; height: 6px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 11px var(--blue); }
.signal-card-a { top: 14%; left: 2%; }
.signal-card-b { right: 2%; bottom: 22%; }
.signal-card-b span { background: var(--orange); box-shadow: 0 0 11px var(--orange); }
.scroll-guide { position: absolute; z-index: 3; bottom: 21px; left: 50%; margin: 0; color: #7f91a6; font-size: 8px; letter-spacing: .23em; writing-mode: vertical-rl; }
.scroll-guide span { display: inline-block; width: 1px; height: 35px; margin-top: 10px; background: linear-gradient(var(--blue), transparent); }

.section { position: relative; padding: 140px max(28px, calc((100vw - var(--max)) / 2)); }
.section-heading { display: grid; grid-template-columns: .85fr 1.15fr; align-items: start; }
.section-heading h2, .views-heading h2, .download h2 { margin: 0; font-size: clamp(39px, 4.2vw, 62px); font-weight: 500; line-height: 1.25; letter-spacing: -.045em; }
.intro { background: linear-gradient(180deg, #040a15 0%, #071325 100%); }
.intro-copy { display: grid; grid-template-columns: .85fr 1.15fr; margin: 55px 0 70px; }
.intro-copy > * { grid-column: 2; }
.intro-copy > p:first-child { max-width: 740px; margin: 0; color: #b8c4d1; font-size: 16px; }
.note { margin: 18px 0 0; color: #718298; font-size: 11px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-card { position: relative; min-height: 350px; padding: 38px 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(145deg, rgba(20,45,73,.15), rgba(1,6,15,.1)); transition: background .3s, transform .3s; }
.feature-card:hover { z-index: 2; background: rgba(27,63,98,.28); transform: translateY(-5px); }
.feature-number { color: #53677f; font-size: 10px; letter-spacing: .16em; }
.feature-icon { position: relative; width: 68px; height: 68px; margin: 50px 0 42px; border: 1px solid rgba(83,178,246,.3); border-radius: 50%; box-shadow: 0 0 35px rgba(45,151,232,.13); }
.feature-icon::before, .feature-icon::after, .feature-icon i { content: ""; position: absolute; }
.radar-icon::before { inset: 15px; border: 1px solid var(--blue); border-radius: 50%; }
.radar-icon::after { left: 33px; top: 8px; width: 1px; height: 50px; background: var(--blue); }
.radar-icon i { top: 32px; left: 8px; width: 50px; height: 1px; background: var(--blue); }
.earth-icon::before { inset: 13px; border: 1px solid var(--cyan); border-radius: 50%; }
.earth-icon::after { inset: 22px 13px; border-top: 1px solid var(--cyan); border-bottom: 1px solid var(--cyan); border-radius: 50%; }
.earth-icon i { left: 32px; top: 13px; height: 40px; border-left: 1px solid var(--cyan); }
.list-icon::before { left: 18px; top: 20px; width: 30px; height: 1px; background: var(--orange); box-shadow: 0 10px var(--orange), 0 20px var(--orange); }
.list-icon::after { left: 12px; top: 18px; width: 4px; height: 4px; border-radius: 50%; background: var(--orange); box-shadow: 0 10px var(--orange), 0 20px var(--orange); }
.feature-card h3 { margin: 0 0 12px; font-size: 20px; font-weight: 600; }
.feature-card p { margin: 0; color: #8393a6; font-size: 13px; }

.gnss-guide { overflow: hidden; background: linear-gradient(180deg, #071325 0%, #030a16 100%); }
.gnss-guide::before { content: ""; position: absolute; width: 760px; height: 760px; right: -280px; top: -160px; border: 1px solid rgba(88,186,255,.1); border-radius: 50%; box-shadow: inset 0 0 90px rgba(44,139,218,.05); }
.gnss-guide-heading { position: relative; max-width: 850px; }
.gnss-guide-heading h2 { margin: 0; font-size: clamp(39px, 4.2vw, 62px); font-weight: 500; line-height: 1.25; letter-spacing: -.045em; }
.gnss-guide-heading > p:last-child { max-width: 790px; margin: 28px 0 0; color: #9cabbc; font-size: 15px; }
.gnss-explain-grid { position: relative; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 72px; background: var(--line); border: 1px solid var(--line); }
.gnss-explain-card { padding: 44px 42px; background: rgba(5,14,27,.94); }
.gnss-card-label { display: flex; align-items: center; justify-content: space-between; padding-bottom: 27px; border-bottom: 1px solid var(--line); }
.gnss-card-label span { color: #60748b; font-size: 9px; letter-spacing: .18em; }
.gnss-card-label b { color: var(--cyan); font-size: 13px; letter-spacing: .15em; }
.gnss-explain-card h3 { margin: 32px 0 18px; font-size: 25px; font-weight: 500; letter-spacing: -.025em; }
.gnss-explain-card p { margin: 0 0 14px; color: #94a4b7; font-size: 13px; }
.gnss-explain-card a { display: inline-block; margin-top: 12px; padding-bottom: 3px; border-bottom: 1px solid rgba(141,229,255,.32); color: var(--cyan); font-size: 11px; }
.gnss-explain-card a span { margin-left: 6px; }
.supported-gnss { position: relative; margin-top: 52px; padding: 42px; border: 1px solid var(--line); background: linear-gradient(135deg, rgba(14,37,61,.52), rgba(4,12,23,.75)); }
.supported-heading { display: grid; grid-template-columns: .72fr 1.28fr; align-items: start; }
.supported-heading .eyebrow { margin: 5px 0 0; }
.supported-heading h3 { margin: 0; font-size: 27px; font-weight: 500; }
.supported-heading > p:last-child { grid-column: 2; margin: 12px 0 0; color: #8495a9; font-size: 13px; }
.system-list { display: grid; grid-template-columns: repeat(6, 1fr); margin: 35px 0 0; padding: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); list-style: none; }
.system-list li { min-width: 0; padding: 21px 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.system-list b, .system-list span { display: block; overflow-wrap: anywhere; }
.system-list b { color: #dcecff; font-size: 14px; font-weight: 500; }
.system-list span { margin-top: 5px; color: #697d93; font-size: 9px; }
.supported-note { margin: 18px 0 0; color: #62758a; font-size: 10px; }

.views { overflow: hidden; background: #020712; }
.views::before { content: ""; position: absolute; width: 900px; height: 900px; right: -220px; top: 260px; border-radius: 50%; background: radial-gradient(circle, rgba(30,123,206,.14), transparent 65%); }
.views-heading { max-width: 700px; margin-bottom: 90px; }
.views-heading > p:last-child { color: #8494a8; margin-top: 25px; }
.view-showcase { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 100px; }
.phone-stage { position: relative; display: grid; place-items: center; min-height: 750px; }
.phone-glow { position: absolute; width: 480px; height: 480px; border: 1px solid rgba(77,161,235,.2); border-radius: 50%; box-shadow: 0 0 120px rgba(35,116,189,.22), inset 0 0 70px rgba(52,133,205,.08); }
.phone-glow::before, .phone-glow::after { content: ""; position: absolute; border: 1px solid rgba(77,161,235,.1); border-radius: 50%; }
.phone-glow::before { inset: -60px; }.phone-glow::after { inset: -120px; }
.phone-frame { position: relative; width: 298px; aspect-ratio: 1242 / 2688; overflow: hidden; border: 6px solid #172133; border-radius: 42px; background: #03070d; box-shadow: 0 35px 90px rgba(0,0,0,.6); }
.phone-frame::before { content: ""; position: absolute; top: 9px; left: 50%; z-index: 2; width: 30%; height: 20px; transform: translateX(-50%); border-radius: 20px; background: #03070d; }
.phone-frame img { width: 100%; height: 100%; object-fit: cover; transition: opacity .22s ease, transform .35s ease; }
.phone-frame img.is-changing { opacity: .15; transform: scale(.985); }
.view-tabs { display: flex; flex-direction: column; }
.view-tab { display: grid; grid-template-columns: 45px 1fr auto; align-items: center; gap: 22px; width: 100%; padding: 28px 6px; border: 0; border-bottom: 1px solid var(--line); background: transparent; cursor: pointer; text-align: left; transition: color .2s, padding .25s; }
.view-tab:first-child { border-top: 1px solid var(--line); }
.view-tab:hover, .view-tab.is-active { padding-left: 18px; color: var(--cyan); }
.tab-index { color: #52647a; font-size: 10px; letter-spacing: .12em; }
.view-tab span:nth-child(2) { display: flex; flex-direction: column; }
.view-tab strong { font-size: 21px; font-weight: 500; }
.view-tab small { margin-top: 4px; color: #77889d; font-size: 12px; font-weight: 400; }
.view-tab i { font-style: normal; font-size: 17px; color: #486176; }
.platform-notice { position: relative; z-index: 2; display: grid; grid-template-columns: .34fr 1fr; gap: 34px; max-width: 900px; margin: 70px 0 0 auto; padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.platform-notice strong { color: #bdd0e3; font-size: 13px; font-weight: 500; }
.platform-notice p { margin: 0; color: #71849a; font-size: 12px; line-height: 1.9; }
.platform-notice.is-compact { max-width: none; margin: 45px 0 0; padding: 22px 25px; border: 1px solid var(--line); background: rgba(10,30,51,.36); }

.audience { background: #e8edf3; color: #07101d; }
.audience .eyebrow { color: #39779b; }
.audience-list { margin-top: 85px; border-top: 1px solid #b9c5d0; }
.audience-item { display: grid; grid-template-columns: .6fr 1fr 1.1fr; gap: 30px; align-items: start; padding: 42px 0; border-bottom: 1px solid #b9c5d0; }
.audience-item > span { color: #678099; font-size: 9px; letter-spacing: .14em; }
.audience-item h3 { margin: 0; font-size: 22px; line-height: 1.5; }
.audience-item p { margin: 0; color: #536579; font-size: 13px; }

.contact { min-height: 650px; display: grid; grid-template-columns: .88fr 1.12fr; gap: 90px; align-items: start; overflow: hidden; background: linear-gradient(145deg, #071a2d 0%, #030b17 58%, #020712 100%); }
.contact::before { content: ""; position: absolute; inset: 0; opacity: .2; background-image: radial-gradient(circle, #84c8ff 0 1px, transparent 1.2px); background-size: 97px 97px; }
.contact-heading, .contact-content { position: relative; z-index: 2; }
.contact-heading h2 { margin: 0; font-size: clamp(39px, 4.2vw, 62px); font-weight: 500; line-height: 1.25; letter-spacing: -.045em; }
.contact-content { padding-top: 39px; }
.contact-content > p:not(.contact-note) { max-width: 680px; margin: 0 0 17px; color: #9aabba; font-size: 14px; }
.contact-topics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin: 35px 0; padding: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); list-style: none; }
.contact-topics li { position: relative; padding: 17px 18px 17px 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: #aebdcc; font-size: 11px; }
.contact-topics li::before { content: ""; position: absolute; left: 17px; top: 25px; width: 6px; height: 1px; background: var(--cyan); }
.contact-button { display: inline-flex; align-items: center; justify-content: space-between; gap: 40px; min-width: 310px; padding: 17px 20px; border: 1px solid rgba(141,229,255,.48); border-radius: 3px; background: rgba(33,113,169,.12); color: var(--cyan); font-size: 13px; transition: background .25s, transform .25s, box-shadow .25s; }
.contact-button:hover { transform: translateY(-2px); background: rgba(52,152,218,.2); box-shadow: 0 14px 45px rgba(29,118,187,.16); }
.contact-button i { font-style: normal; font-size: 17px; }
.contact-note { margin: 10px 0 0 2px; color: #667a8f; font-size: 9px; }
.contact-orbit { position: absolute; left: -260px; bottom: -390px; width: 760px; height: 760px; border: 1px solid rgba(88,186,255,.14); border-radius: 50%; }
.contact-orbit::before { content: ""; position: absolute; inset: 18%; border: 1px solid rgba(88,186,255,.09); border-radius: 50%; }

.download { min-height: 720px; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; overflow: hidden; background: radial-gradient(circle at 75% 60%, #0b2b50 0, #031021 34%, #020712 65%); }
.download::before { content: ""; position: absolute; inset: 0; opacity: .3; background-image: radial-gradient(circle, #84c8ff 0 1px, transparent 1.2px); background-size: 83px 83px; }
.download-copy { position: relative; z-index: 2; }
.download-copy > p:not(.eyebrow):not(.store-note) { max-width: 600px; color: #97a8bb; margin: 25px 0 30px; }
.app-store-button.is-large { padding: 12px 23px 12px 18px; }
.app-store-button.is-large strong { font-size: 23px; }
.download-store-buttons { gap: 15px; }
.google-play-button.is-large img { height: 60px; }
.store-note { margin: 10px 0 0 7px; color: #64758a; font-size: 10px; }
.download-phone { position: absolute; z-index: 1; right: max(8vw, calc((100vw - var(--max)) / 2)); bottom: -210px; transform: rotate(7deg); }
.download-phone .phone-frame { width: 335px; }
.download-orbit { position: absolute; right: -8%; bottom: -20%; width: 64%; aspect-ratio: 1; border: 1px solid rgba(96,180,250,.18); border-radius: 50%; }
.download-orbit::before { content: ""; position: absolute; inset: 15%; border: 1px solid rgba(96,180,250,.12); border-radius: 50%; }
footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 34px max(28px, calc((100vw - var(--max)) / 2)); border-top: 1px solid var(--line); color: #6f8095; font-size: 10px; }
footer p { margin: 0; letter-spacing: .1em; }
.product-notice { max-width: 390px; text-align: center; line-height: 1.7; }
.copyright { justify-self: end; }

/* How to use */
.howto-page { background: #030916; }
.howto-hero { position: relative; min-height: 760px; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 80px; overflow: hidden; padding: 130px max(28px, calc((100vw - var(--max)) / 2)) 70px; background: radial-gradient(circle at 77% 48%, rgba(31,126,210,.2), transparent 35%), linear-gradient(180deg, #020712, #061224); }
.howto-hero::before { content: ""; position: absolute; width: 720px; height: 720px; right: -90px; top: 80px; border: 1px solid rgba(88,186,255,.14); border-radius: 50%; box-shadow: inset 0 0 90px rgba(38,132,212,.08); }
.howto-hero-copy { position: relative; z-index: 2; }
.howto-hero-copy > p:not(.eyebrow) { max-width: 650px; margin: 30px 0 0; color: #a5b3c4; font-size: 16px; }
.howto-summary { display: flex; gap: 12px; margin-top: 36px; }
.howto-summary span { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 99px; color: #92a4b7; font-size: 11px; }
.howto-summary b { display: grid; place-items: center; width: 19px; height: 19px; border-radius: 50%; background: rgba(88,186,255,.16); color: var(--cyan); font-size: 9px; }
.howto-hero-phone { position: relative; z-index: 2; justify-self: center; padding-top: 30px; }
.howto-hero-phone .phone-frame { width: 270px; transform: rotate(4deg); }
.guide-section-heading { max-width: 820px; }
.guide-section-heading .guide-kicker { margin: 0 0 12px; color: #5d7791; font-size: 10px; font-weight: 600; letter-spacing: .18em; }
.guide-section-heading h2 { margin: 0; font-size: clamp(39px, 4.2vw, 62px); font-weight: 500; line-height: 1.25; letter-spacing: -.045em; }
.guide-section-heading > p:last-child { max-width: 790px; margin: 25px 0 0; color: #92a2b5; font-size: 15px; }
.permission-section { background: #e8edf3; color: #07101d; }
.permission-section .eyebrow { color: #39779b; }
.permission-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 70px; border-top: 1px solid #b8c5d1; border-left: 1px solid #b8c5d1; }
.permission-card { position: relative; min-height: 340px; padding: 32px; border-right: 1px solid #b8c5d1; border-bottom: 1px solid #b8c5d1; }
.permission-number { position: absolute; top: 31px; right: 31px; margin: 0; color: #8094a7; font-size: 9px; letter-spacing: .15em; }
.permission-icon { position: relative; display: block; width: 57px; height: 57px; margin-bottom: 45px; border: 1px solid #90a5b7; border-radius: 50%; }
.location-icon::before { content: ""; position: absolute; left: 20px; top: 15px; width: 15px; height: 19px; border: 2px solid #2c89bd; border-radius: 50% 50% 50% 0; transform: rotate(-45deg); }
.location-icon::after { content: ""; position: absolute; left: 26px; top: 22px; width: 4px; height: 4px; border-radius: 50%; background: #2c89bd; }
.camera-icon::before { content: ""; position: absolute; inset: 18px 12px 13px; border: 2px solid #2c89bd; border-radius: 4px; }
.camera-icon::after { content: ""; position: absolute; left: 23px; top: 23px; width: 9px; height: 9px; border: 2px solid #2c89bd; border-radius: 50%; }
.photo-icon::before, .photo-icon::after { content: ""; position: absolute; border-radius: 4px; }
.photo-icon::before { inset: 13px 16px 18px 11px; border: 2px solid #2c89bd; }
.photo-icon::after { inset: 18px 11px 13px 16px; border-right: 2px solid #2c89bd; border-bottom: 2px solid #2c89bd; }
.permission-card h3 { margin: 0 0 12px; font-size: 23px; }
.permission-card > p:not(.permission-number) { margin: 0; color: #53677a; font-size: 13px; }
.permission-card strong { display: block; margin-top: 22px; color: #176c99; font-size: 12px; }
.permission-help { display: grid; grid-template-columns: .55fr 1.45fr; gap: 30px; margin-top: 30px; padding: 24px 28px; border: 1px solid #bdc9d4; background: rgba(255,255,255,.28); }
.permission-help b { font-size: 13px; }
.permission-help p { margin: 0; color: #576a7d; font-size: 12px; }
.guide-section { background: linear-gradient(180deg, #061224, #020712); }
.guide-steps { margin-top: 95px; }
.guide-step { display: grid; grid-template-columns: .82fr 1.18fr; gap: 110px; align-items: center; min-height: 820px; padding: 100px 0; border-top: 1px solid var(--line); }
.guide-step.is-reversed { grid-template-columns: 1.18fr .82fr; }
.guide-step.is-reversed .guide-shot { grid-column: 2; grid-row: 1; }
.guide-step.is-reversed .guide-step-copy { grid-column: 1; grid-row: 1; }
.guide-shot { position: relative; display: grid; place-items: center; min-width: 0; }
.guide-shot::before { content: ""; position: absolute; width: 500px; height: 500px; border: 1px solid rgba(88,186,255,.14); border-radius: 50%; box-shadow: 0 0 90px rgba(31,116,190,.12); }
.guide-shot .phone-frame { width: 275px; }
.guide-step-copy { position: relative; z-index: 2; }
.guide-step-number { color: #4c6680; font-size: 10px; letter-spacing: .18em; }
.guide-mode { margin: 28px 0 8px; color: var(--cyan); font-size: 10px; font-weight: 600; letter-spacing: .18em; }
.guide-step h3 { margin: 0 0 25px; font-size: clamp(28px, 3vw, 42px); font-weight: 500; line-height: 1.35; letter-spacing: -.035em; }
.guide-step-copy > p:not(.guide-mode):not(.guide-tip) { margin: 0 0 18px; color: #94a4b7; font-size: 14px; }
.guide-step-copy ul { margin: 24px 0; padding: 0; list-style: none; }
.guide-step-copy li { position: relative; margin: 10px 0; padding-left: 22px; color: #94a4b7; font-size: 13px; }
.guide-step-copy li::before { content: ""; position: absolute; left: 1px; top: 10px; width: 7px; height: 1px; background: var(--blue); }
.guide-step-copy li b { color: #d8e5f2; }
.guide-tip { padding: 16px 18px; border-left: 2px solid var(--orange); background: rgba(255,141,50,.07); color: #9baabd; font-size: 12px; }
.guide-tip b { color: #ffc08b; }
.important-note { margin: 25px 0; padding: 20px; border: 1px solid rgba(141,229,255,.22); background: rgba(15,55,83,.3); }
.important-note b { color: var(--cyan); font-size: 13px; }
.important-note p { margin: 8px 0 0; color: #8ca0b5; font-size: 12px; }
.guide-shot-pair .phone-frame { transform: translateX(-35px); }
.filter-demo { position: absolute; z-index: 3; right: -45px; bottom: 120px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; width: 245px; padding: 16px; border: 1px solid var(--line); border-radius: 18px; background: rgba(8,19,34,.91); backdrop-filter: blur(12px); box-shadow: 0 18px 60px rgba(0,0,0,.5); }
.filter-demo span { padding: 9px 8px; border: 1px solid var(--line); border-radius: 9px; color: #72849a; font-size: 9px; }
.filter-demo .is-qzss { color: #ffad69; border-color: rgba(255,141,50,.4); }
.filter-demo .is-gps { color: #78baff; border-color: rgba(88,186,255,.4); }
.filter-demo .is-sbas { color: #73e0e5; border-color: rgba(86,211,216,.4); }
.guide-shot-stack { min-height: 700px; }
.guide-shot-stack .phone-frame:first-child { position: absolute; left: 4%; transform: rotate(-6deg); }
.guide-shot-stack .phone-frame:last-child { position: absolute; right: 4%; transform: translateY(55px) rotate(6deg); }
.trouble-section { background: #e8edf3; color: #07101d; }
.trouble-section .eyebrow { color: #39779b; }
.trouble-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 65px; border-top: 1px solid #b8c5d1; border-left: 1px solid #b8c5d1; }
.trouble-grid article { padding: 32px; border-right: 1px solid #b8c5d1; border-bottom: 1px solid #b8c5d1; }
.trouble-grid h3 { margin: 0 0 13px; font-size: 18px; }
.trouble-grid p { margin: 0; color: #586b7d; font-size: 12px; }
.safety-notice { margin-top: 55px; padding: 45px; background: #071525; color: #fff; }
.safety-notice .eyebrow { color: var(--orange); }
.safety-notice h3 { margin: 0 0 13px; font-size: 27px; font-weight: 500; }
.safety-notice > p:last-child { max-width: 800px; margin: 0; color: #96a6b8; font-size: 13px; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } * { animation: none !important; } }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; padding-inline: 22px; }
  .desktop-nav, .header-cta { display: none; }
  .menu-button { justify-self: end; display: flex; flex-direction: column; justify-content: center; gap: 7px; width: 42px; height: 42px; border: 0; background: transparent; cursor: pointer; }
  .menu-button span { width: 24px; height: 1px; background: #fff; transition: transform .25s; }
  .menu-button[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .mobile-nav { position: absolute; top: 64px; left: 0; right: 0; display: flex; flex-direction: column; gap: 0; padding: 20px 28px 30px; border-bottom: 1px solid var(--line); background: rgba(2,7,18,.96); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: .25s; }
  .mobile-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .mobile-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 145px; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero-visual { justify-self: center; width: min(80vw, 620px); margin-top: 20px; }
  .scroll-guide { display: none; }
  .section-heading, .intro-copy { grid-template-columns: 1fr; }
  .intro-copy > * { grid-column: auto; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 260px; }
  .feature-icon { margin: 38px 0 30px; }
  .gnss-explain-card { padding: 36px 30px; }
  .supported-heading { grid-template-columns: 1fr; }
  .supported-heading > p:last-child { grid-column: auto; }
  .system-list { grid-template-columns: repeat(3, 1fr); }
  .view-showcase { gap: 40px; }
  .phone-stage { min-height: 650px; }
  .phone-frame { width: 250px; }
  .phone-glow { width: 370px; height: 370px; }
  .audience-item { grid-template-columns: .45fr 1fr; }
  .audience-item p { grid-column: 2; }
  .contact { grid-template-columns: .8fr 1.2fr; gap: 45px; }
  .howto-hero { min-height: 700px; grid-template-columns: 1fr .65fr; gap: 25px; padding-inline: 35px; }
  .howto-hero-phone .phone-frame { width: 230px; }
  .guide-step, .guide-step.is-reversed { grid-template-columns: .75fr 1.25fr; gap: 60px; min-height: 700px; }
  .guide-step.is-reversed .guide-shot { grid-column: 1; }
  .guide-step.is-reversed .guide-step-copy { grid-column: 2; }
  .guide-shot::before { width: 360px; height: 360px; }
  .guide-shot .phone-frame { width: 225px; }
  .guide-shot-stack .phone-frame { width: 185px; }
  .filter-demo { right: -20px; width: 205px; }
}

@media (max-width: 640px) {
  .site-header .brand b { display: none; }
  main, section, .hero-copy { min-width: 0; }
  .hero { width: 100%; padding-inline: 20px; padding-bottom: 80px; }
  .hero-copy { width: 100%; max-width: 100%; }
  .hero .eyebrow { width: 100%; margin-inline: 0; font-size: clamp(8px, 2.3vw, 10px); letter-spacing: .18em; text-align: center; }
  h1 { width: 100%; max-width: 100%; font-size: clamp(40px, 11.2vw, 50px); overflow-wrap: anywhere; }
  .hero-lead br { display: none; }
  .hero-lead { width: 100%; max-width: 100%; text-align: center; text-wrap: wrap; overflow-wrap: anywhere; line-break: strict; }
  .hero-actions { width: 100%; flex-direction: column; gap: 18px; }
  .hero-store-buttons { justify-content: center; }
  .hero-visual { width: 100%; max-width: 100%; min-width: 0; }
  .hero-image-wrap { border-radius: 0; box-shadow: none; }
  .hero-image-wrap::after { border-radius: 0; box-shadow: inset 0 35px 45px #020712, inset 0 -35px 45px #020712; }
  .signal-card-a { left: 8%; }.signal-card-b { right: 8%; }
  .section { padding: 95px 22px; }
  .section-heading { gap: 15px; }
  .section-heading h2, .views-heading h2, .download h2 { font-size: 36px; }
  .intro-copy { margin-top: 38px; }
  .feature-card { padding: 30px 25px; }
  .gnss-guide-heading h2 { font-size: 36px; }
  .gnss-guide-heading > p:last-child { font-size: 13px; }
  .gnss-explain-grid { grid-template-columns: 1fr; margin-top: 48px; }
  .gnss-explain-card { padding: 30px 24px; }
  .gnss-explain-card h3 { font-size: 21px; }
  .supported-gnss { margin-top: 34px; padding: 28px 20px; }
  .supported-heading h3 { font-size: 22px; }
  .system-list { grid-template-columns: repeat(2, 1fr); margin-top: 26px; }
  .views-heading { margin-bottom: 45px; }
  .view-showcase { grid-template-columns: 1fr; }
  .phone-stage { min-height: 600px; }
  .phone-frame { width: 255px; border-radius: 35px; }
  .phone-glow { width: 330px; height: 330px; }
  .view-tab { grid-template-columns: 32px 1fr auto; gap: 13px; padding: 22px 4px; }
  .view-tab strong { font-size: 17px; }
  .view-tab:hover, .view-tab.is-active { padding-left: 8px; }
  .platform-notice, .platform-notice.is-compact { grid-template-columns: 1fr; gap: 9px; margin-top: 45px; padding: 22px 18px; }
  .audience-list { margin-top: 55px; }
  .audience-item { grid-template-columns: 1fr; gap: 12px; padding: 32px 0; }
  .audience-item p { grid-column: auto; }
  .contact { min-height: 0; grid-template-columns: 1fr; gap: 35px; padding-block: 95px; }
  .contact-heading h2 { font-size: 36px; }
  .contact-content { padding-top: 0; }
  .contact-content > p:not(.contact-note) { font-size: 13px; }
  .contact-topics { grid-template-columns: 1fr; margin-block: 28px; }
  .contact-button { width: 100%; min-width: 0; }
  .download { min-height: 850px; display: block; padding-top: 95px; text-align: center; }
  .download-copy { display: flex; flex-direction: column; align-items: center; }
  .download-store-buttons { justify-content: center; }
  .download-phone { right: 50%; bottom: -390px; transform: translateX(50%) rotate(4deg); }
  .download-phone .phone-frame { width: 285px; }
  footer { grid-template-columns: 1fr; justify-items: center; gap: 8px; text-align: center; }
  footer .copyright { justify-self: center; }
  .howto-hero { min-height: 780px; grid-template-columns: 1fr; gap: 30px; padding: 110px 22px 55px; text-align: center; }
  .howto-hero-copy { display: flex; flex-direction: column; align-items: center; }
  .howto-hero-copy h1 { font-size: 42px; }
  .howto-hero-copy > p:not(.eyebrow) { margin-top: 20px; font-size: 13px; }
  .howto-summary { flex-wrap: wrap; justify-content: center; margin-top: 25px; }
  .howto-summary span { padding: 7px 10px; font-size: 9px; }
  .howto-hero-phone { padding-top: 0; }
  .howto-hero-phone .phone-frame { width: 205px; }
  .guide-section-heading h2 { font-size: 36px; }
  .guide-section-heading > p:last-child { font-size: 13px; }
  .permission-grid { grid-template-columns: 1fr; margin-top: 45px; }
  .permission-card { min-height: auto; padding: 27px 25px; }
  .permission-icon { margin-bottom: 25px; }
  .permission-help { grid-template-columns: 1fr; gap: 10px; padding: 20px; }
  .guide-steps { margin-top: 55px; }
  .guide-step, .guide-step.is-reversed { grid-template-columns: 1fr; gap: 65px; min-height: 0; padding: 80px 0; }
  .guide-step.is-reversed .guide-shot, .guide-step.is-reversed .guide-step-copy { grid-column: 1; grid-row: auto; }
  .guide-shot::before { width: 310px; height: 310px; }
  .guide-shot .phone-frame { width: 225px; }
  .guide-step-copy { text-align: left; }
  .guide-step h3 { font-size: 30px; }
  .guide-shot-pair .phone-frame { transform: translateX(-15px); }
  .filter-demo { right: -8px; bottom: 90px; width: 190px; padding: 12px; }
  .guide-shot-stack { min-height: 520px; }
  .guide-shot-stack .phone-frame { width: 170px; }
  .trouble-grid { grid-template-columns: 1fr; margin-top: 45px; }
  .safety-notice { margin-top: 38px; padding: 30px 24px; }
}