:root {
  color-scheme: light;
  --ink: #05070c;
  --night: #0a0e18;
  --paper: #f6f8fc;
  --white: #ffffff;
  --text: #101522;
  --muted: #5f6878;
  --line: #dce2ec;
  --blue: #0a84ff;
  --blue-dark: #0064c8;
  --yellow: #ffd60a;
  --max: 1120px;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--blue-dark);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 0.08em;
}

a:hover {
  text-decoration-thickness: 0.14em;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.55rem 0.85rem;
  background: var(--white);
  color: var(--text);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 10;
  background: var(--ink);
  color: var(--white);
  border-bottom: 1px solid #263044;
}

.header-inner,
.footer-inner {
  width: min(calc(100% - 3rem), var(--max));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header-inner {
  min-height: 68px;
}

.brand {
  color: var(--white);
  font-weight: 800;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.brand span {
  color: #8fc6ff;
  font-weight: 600;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-size: 0.9rem;
}

.site-nav a {
  color: #dceaff;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--white);
}

.hub-main,
.document-main {
  width: min(calc(100% - 3rem), var(--max));
  margin: 0 auto;
}

.hub-intro {
  padding: clamp(4.5rem, 10vw, 8rem) 0 clamp(3.5rem, 8vw, 6rem);
  max-width: 820px;
}

.kicker {
  margin: 0 0 1rem;
  color: var(--blue-dark);
  font-weight: 700;
}

.hub-intro h1 {
  margin: 0;
  font-family: ui-rounded, "Hiragino Maru Gothic ProN", sans-serif;
  font-size: clamp(2.75rem, 8vw, 6.6rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.hub-intro > p:last-child {
  max-width: 680px;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.app-directory {
  padding: 0 0 7rem;
}

.app-directory > h2 {
  margin: 0;
  padding-bottom: 1rem;
  border-bottom: 3px solid var(--text);
  font-size: 1rem;
}

.app-row {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 1.75rem;
  align-items: center;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
}

.app-row img,
.app-monogram {
  border-radius: 24px;
}

.app-row img {
  box-shadow: 0 10px 25px rgb(4 14 35 / 18%);
}

.app-row h3 {
  margin: 0.1rem 0 0.3rem;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.25;
}

.app-row h3 a {
  color: inherit;
  text-decoration: none;
}

.app-row p {
  margin: 0;
  color: var(--muted);
}

.app-row .app-status {
  color: var(--blue-dark);
  font-size: 0.85rem;
  font-weight: 700;
}

.app-monogram {
  display: grid;
  width: 112px;
  aspect-ratio: 1;
  place-items: center;
  background: #e7eef8;
  color: #25344c;
  font: 800 1.4rem/1 ui-rounded, sans-serif;
}

.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: 0.8rem;
}

.inline-links a {
  font-weight: 650;
}

.product-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  min-height: 680px;
}

.hero-inner {
  position: relative;
  width: min(calc(100% - 3rem), var(--max));
  min-height: 680px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: center;
  padding: 5.5rem 0 7rem;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero-copy h1 {
  margin: 0;
  font-family: ui-rounded, "Hiragino Maru Gothic ProN", sans-serif;
  font-size: clamp(3rem, 8vw, 6.4rem);
  line-height: 1.04;
  letter-spacing: -0.06em;
}

.hero-copy .hero-lead {
  max-width: 620px;
  margin: 1.5rem 0 0;
  color: #c7d1df;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.product-hero .kicker {
  color: #8fc6ff;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.2rem;
  margin-top: 2rem;
}

.release-badge {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0.65rem 1.1rem;
  border: 1px solid #4c5b73;
  border-radius: 999px;
  color: #d7e4f7;
  font-weight: 700;
}

.hero-note {
  color: #9da9bb;
  font-size: 0.9rem;
}

.hero-icon-wrap {
  position: relative;
  z-index: 2;
  justify-self: end;
  width: min(100%, 390px);
}

.hero-icon {
  width: 100%;
  border-radius: 22.5%;
  box-shadow: 0 30px 80px rgb(0 75 180 / 28%);
}

.hero-number-line {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2.8rem;
  height: 44px;
  color: #dcecff;
  opacity: 0.88;
}

.hero-number-line::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 0;
  right: 0;
  height: 3px;
  background: currentColor;
  box-shadow: 0 0 12px var(--blue);
}

.hero-number-line .tick,
.hero-number-line .target {
  position: absolute;
  top: 8px;
  width: 3px;
  height: 28px;
  background: currentColor;
}

.hero-number-line .tick:first-child { left: 0; }
.hero-number-line .tick:nth-child(2) { left: 25%; }
.hero-number-line .tick:nth-child(3) { left: 50%; }
.hero-number-line .tick:nth-child(4) { left: 75%; }
.hero-number-line .tick:nth-child(5) { right: 0; }

.hero-number-line .target {
  top: 0;
  left: 30%;
  width: 5px;
  height: 44px;
  border-radius: 4px;
  background: var(--yellow);
  box-shadow: 0 0 14px var(--yellow);
}

.product-main {
  background: var(--white);
}

.product-section {
  width: min(calc(100% - 3rem), var(--max));
  margin: 0 auto;
  padding: clamp(4.5rem, 9vw, 8rem) 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 3rem;
}

.section-heading h2 {
  margin: 0;
  font-family: ui-rounded, "Hiragino Maru Gothic ProN", sans-serif;
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  line-height: 1.1;
  letter-spacing: -0.045em;
}

.section-heading p {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.feature-list {
  border-top: 3px solid var(--text);
}

.feature-item {
  display: grid;
  grid-template-columns: minmax(170px, 0.35fr) minmax(0, 0.65fr);
  gap: 2rem;
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--line);
}

.feature-item h3,
.feature-item p {
  margin: 0;
}

.feature-item h3 {
  font-size: 1.2rem;
}

.feature-item p {
  color: var(--muted);
}

.screens-section {
  background: #eaf4ff;
}

.screen-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: start;
  max-width: 820px;
  margin: 0 auto;
}

.screen-grid figure {
  margin: 0;
}

.screen-grid img {
  width: 100%;
  border: 10px solid var(--ink);
  border-radius: 44px;
  box-shadow: 0 25px 45px rgb(32 79 130 / 18%);
}

.screen-grid figure:nth-child(2) {
  margin-top: 5rem;
}

.screen-grid figcaption {
  margin-top: 1rem;
  font-weight: 700;
}

.support-callout {
  background: var(--ink);
  color: var(--white);
}

.support-callout .product-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
}

.support-callout h2 {
  margin: 0;
  font-family: ui-rounded, sans-serif;
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: -0.04em;
}

.support-callout p {
  margin: 0.7rem 0 0;
  color: #b9c5d6;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.8rem 1.35rem;
  border-radius: 999px;
  background: var(--blue-dark);
  color: var(--white);
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}

.button-link:hover {
  background: #0055aa;
  text-decoration: none;
}

.document-main {
  padding: clamp(3.5rem, 8vw, 7rem) 0;
}

.document-header,
.document-body {
  max-width: 800px;
}

.document-header {
  margin-bottom: 3.5rem;
}

.document-header h1 {
  margin: 0;
  font-family: ui-rounded, "Hiragino Maru Gothic ProN", sans-serif;
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.document-header p {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.document-meta {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.document-body section {
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}

.document-body h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  line-height: 1.35;
}

.document-body h3 {
  margin: 1.5rem 0 0.4rem;
  font-size: 1.05rem;
}

.document-body p,
.document-body ul,
.document-body ol {
  margin-top: 0.7rem;
  margin-bottom: 0;
}

.document-body ul,
.document-body ol {
  padding-left: 1.4rem;
}

.document-body li + li {
  margin-top: 0.45rem;
}

.support-email {
  display: inline-block;
  margin-top: 0.7rem;
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 750;
  overflow-wrap: anywhere;
}

.notice {
  margin-top: 1.5rem;
  padding: 1rem 1.2rem;
  border-left: 5px solid var(--yellow);
  background: #fff9d7;
}

.notice p {
  margin: 0;
}

.site-footer {
  background: var(--night);
  color: #aeb9ca;
}

.footer-inner {
  min-height: 110px;
  font-size: 0.9rem;
}

.footer-inner a {
  color: #dbeaff;
}

.footer-inner .inline-links {
  margin-top: 0;
}

@media (max-width: 740px) {
  .header-inner,
  .footer-inner,
  .hub-main,
  .document-main,
  .hero-inner,
  .product-section {
    width: min(calc(100% - 2rem), var(--max));
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.9rem 0;
  }

  .site-nav {
    width: 100%;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.1rem;
    white-space: nowrap;
  }

  .app-row {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 1rem;
  }

  .app-row img,
  .app-monogram {
    width: 76px;
    border-radius: 17px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 4rem 0 7rem;
  }

  .hero-icon-wrap {
    justify-self: start;
    width: 180px;
  }

  .hero-number-line {
    bottom: 2rem;
  }

  .feature-item,
  .support-callout .product-section {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }

  .screen-grid {
    gap: 1rem;
  }

  .screen-grid img {
    border-width: 6px;
    border-radius: 26px;
  }

  .screen-grid figure:nth-child(2) {
    margin-top: 2.5rem;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 0.2rem;
  }
}

@media (max-width: 460px) {
  .hub-intro h1,
  .hero-copy h1 {
    word-break: keep-all;
  }

  .screen-grid {
    grid-template-columns: 1fr;
    max-width: 300px;
  }

  .screen-grid figure:nth-child(2) {
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}