:root {
  color-scheme: dark;
  --bg: #050506;
  --panel: #101114;
  --panel-strong: #17191d;
  --text: #f3f1ee;
  --muted: rgba(243, 241, 238, 0.62);
  --faint: rgba(243, 241, 238, 0.34);
  --line: rgba(243, 241, 238, 0.13);
  --accent: #e9e4d8;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background: #050506;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    radial-gradient(circle at 18% 20%, rgba(255, 255, 255, 0.05) 0 1px, transparent 2px),
    radial-gradient(circle at 73% 42%, rgba(255, 255, 255, 0.045) 0 1px, transparent 2px),
    radial-gradient(circle at 50% 82%, rgba(255, 255, 255, 0.04) 0 1px, transparent 2px);
  background-size: 360px 420px, 520px 540px, 460px 520px;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  background: rgba(5, 5, 6, 0.74);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(22px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 12px;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.brand span {
  display: grid;
  gap: 2px;
}

.brand strong {
  font-size: 20px;
  font-weight: 700;
}

.brand small {
  color: var(--faint);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

nav {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

nav a {
  padding: 10px 12px;
  border-radius: 999px;
}

nav a:hover,
nav a:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  outline: none;
}

.nav-pill {
  color: #0b0b0c;
  background: var(--accent);
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 92svh;
  padding: 132px clamp(22px, 6vw, 86px) 64px;
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background: rgba(0, 0, 0, 0.58);
}

.hero-media {
  position: absolute;
  top: 8vh;
  right: max(-80px, -4vw);
  bottom: -10vh;
  z-index: -2;
  width: min(52vw, 650px);
  opacity: 0.76;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: right center;
}

.hero-copy {
  max-width: 730px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--faint);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(72px, 13vw, 156px);
  line-height: 0.9;
  font-weight: 800;
}

.lead {
  max-width: 680px;
  margin-bottom: 24px;
  font-size: clamp(34px, 5vw, 66px);
  line-height: 1.18;
  font-weight: 800;
}

.sublead {
  max-width: 590px;
  color: var(--muted);
  font-size: clamp(17px, 2.1vw, 25px);
  line-height: 1.8;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 42px;
}

.primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  color: #090909;
  background: var(--accent);
  font-weight: 800;
}

.primary-action:hover,
.primary-action:focus-visible {
  background: #ffffff;
  outline: none;
}

.store-note {
  color: var(--faint);
  font-size: 14px;
  font-weight: 700;
}

.intro {
  display: grid;
  gap: 10px;
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
  padding: 62px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: clamp(23px, 4vw, 44px);
  line-height: 1.35;
  font-weight: 800;
}

.truth-section,
.screenshots,
.features,
.closing {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
  padding: 92px 0;
}

.truth-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(300px, 0.74fr);
  align-items: center;
  gap: clamp(36px, 6vw, 82px);
}

.section-copy h2,
.section-heading h2,
.closing h2 {
  margin-bottom: 22px;
  font-size: clamp(38px, 6vw, 76px);
  line-height: 1.12;
}

.section-copy p,
.closing p {
  color: var(--muted);
  font-size: 18px;
  line-height: 2;
  font-weight: 600;
}

.phone-shot {
  margin: 0;
}

.phone-shot img,
.shot-grid img {
  border: 1px solid var(--line);
  border-radius: 34px;
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.42);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 38px;
}

.shot-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.shot-grid figure {
  margin: 0;
}

.shot-grid figcaption {
  padding: 18px 4px 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
  font-weight: 800;
}

.features {
  border-top: 1px solid var(--line);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-list article {
  min-height: 300px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
}

.feature-list span {
  display: block;
  margin-bottom: 36px;
  color: var(--faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 14px;
}

.feature-list h3 {
  margin-bottom: 16px;
  font-size: 28px;
}

.feature-list p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  font-weight: 600;
}

.closing {
  text-align: center;
}

.closing p {
  margin-right: auto;
  margin-bottom: 34px;
  margin-left: auto;
  max-width: 660px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
  padding: 32px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 14px;
  font-weight: 700;
}

.site-footer p {
  margin: 0;
}

.site-footer div {
  display: flex;
  gap: 18px;
}

.doc-page {
  width: min(820px, calc(100% - 44px));
  margin: 0 auto;
  padding: 132px 0 70px;
}

.doc-page h1 {
  margin-bottom: 18px;
  font-size: clamp(44px, 8vw, 82px);
}

.doc-page h2 {
  margin-top: 42px;
  margin-bottom: 14px;
  font-size: 24px;
}

.doc-page p,
.doc-page li {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.doc-page ul {
  padding-left: 1.2em;
}

.doc-page .updated {
  color: var(--faint);
  font-size: 14px;
  font-weight: 700;
}

.support-form {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.support-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.support-form input,
.support-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  font: inherit;
}

.support-form input:focus,
.support-form textarea:focus {
  border-color: rgba(255, 255, 255, 0.34);
  outline: none;
}

.support-form button {
  justify-self: start;
  min-height: 48px;
  border: 0;
  border-radius: 999px;
  padding: 0 24px;
  color: #090909;
  background: var(--accent);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    padding: 14px 16px;
  }

  nav {
    max-width: 52vw;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 2px;
    font-size: 12px;
  }

  nav a {
    padding: 8px 9px;
  }

  .hero {
    min-height: 88svh;
    padding-top: 118px;
  }

  .hero-media {
    top: 44vh;
    right: -48px;
    bottom: -8vh;
    width: 82vw;
    opacity: 0.42;
  }

  .truth-section,
  .shot-grid,
  .feature-list {
    grid-template-columns: 1fr;
  }

  .truth-section,
  .screenshots,
  .features,
  .closing {
    padding: 68px 0;
  }

  .phone-shot {
    max-width: 360px;
    margin: 0 auto;
  }

  .shot-grid {
    gap: 34px;
  }

  .shot-grid figure {
    max-width: 360px;
    margin: 0 auto;
  }

  .feature-list article {
    min-height: auto;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .brand strong {
    font-size: 18px;
  }

  .brand small {
    display: none;
  }

  nav a:not(.nav-pill) {
    display: none;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }
}
