/* 기기 기본 글꼴과 로컬 자산만 사용합니다. */
:root {
  color-scheme: light dark;
  --bg: #fdfcf8;
  --surface: #fff;
  --ink: #203c34;
  --muted: #576d64;
  --accent: #006b59;
  --mint: #e8f4ed;
  --line: #d9e4dc;
  --button: #006b59;
  --button-text: #fff;
  --shadow: 0 22px 60px #183b2c14;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font:
    17px/1.8 system-ui,
    -apple-system,
    "Apple SD Gothic Neo",
    "Malgun Gothic",
    sans-serif;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
a {
  color: var(--accent);
  text-underline-offset: 4px;
}
a:hover {
  text-decoration-thickness: 2px;
}
button {
  font: inherit;
  cursor: pointer;
}
a,
button,
summary {
  -webkit-tap-highlight-color: transparent;
}
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
h1,
h2,
h3 {
  line-height: 1.35;
  letter-spacing: -0.045em;
}
h2 {
  font-size: clamp(28px, 3.5vw, 40px);
}
h3 {
  font-size: 22px;
}
p + p {
  margin-top: 16px;
}
em {
  font-style: normal;
  color: var(--accent);
}
.container {
  width: min(1120px, calc(100% - 64px));
  margin-inline: auto;
}
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 10;
  background: var(--surface);
  padding: 12px 20px;
  border: 2px solid var(--accent);
  border-radius: 10px;
}
.skip-link:focus {
  top: 12px;
}
.site-header {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 23px;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -1px;
  flex-shrink: 0;
}
.brand img {
  width: 38px;
  height: 38px;
  border-radius: 11px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 15px;
  font-weight: 600;
}
.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
  color: var(--muted);
}
.site-nav .nav-download {
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 6px 18px;
}
.eyebrow {
  color: var(--accent);
  font-size: 14px;
  font-weight: 750;
  letter-spacing: 0.015em;
  margin-bottom: 18px;
}
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 6px;
}
.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 32px;
  padding: 72px 0 50px;
  min-height: 740px;
}
.hero h1 {
  font-size: clamp(40px, 4.7vw, 62px);
  line-height: 1.28;
  letter-spacing: -0.06em;
  margin-bottom: 26px;
}
.hero-description {
  font-size: 20px;
  line-height: 1.85;
  color: var(--muted);
  margin-bottom: 30px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 56px;
  padding: 14px 25px;
  border: 1px solid transparent;
  border-radius: 14px;
  background: var(--button);
  color: var(--button-text);
  text-decoration: none;
  font-size: 16px;
  font-weight: 750;
  line-height: 1.6;
}
.button:hover {
  filter: brightness(1.1);
}
.button.secondary {
  color: var(--accent);
  background: var(--mint);
  border-color: var(--line);
}
.button:disabled {
  cursor: default;
  opacity: 0.6;
}
.download-note {
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px;
}
.hero-benefits {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  font-size: 13px;
  color: var(--muted);
}
.hero-benefits li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 800;
  margin-right: 6px;
}
.hero-visual {
  position: relative;
  padding: 0 0 28px;
  display: grid;
  justify-items: center;
  isolation: isolate;
}
.orbit {
  position: absolute;
  inset: 12% 24px 6%;
  border-radius: 48% 48% 42% 45%;
  background: var(--mint);
  z-index: -1;
  transform: rotate(-9deg);
}
.phone {
  width: 280px;
  border: 7px solid #203c34;
  border-radius: 35px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: white;
  transform: rotate(3deg);
}
.phone img {
  width: 100%;
  aspect-ratio: 640/1138;
}
.floating-note {
  display: flex;
  align-items: center;
  gap: 12px;
  position: absolute;
  left: -6px;
  bottom: 80px;
  padding: 15px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  transform: rotate(-3deg);
}
.floating-note strong {
  display: block;
  font-size: 14px;
}
.floating-note span:not(.checkmark) {
  display: block;
  font-size: 11px;
  color: var(--muted);
}
.checkmark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: var(--accent);
  background: var(--mint);
  font-size: 23px;
}
.hero-visual figcaption {
  position: absolute;
  bottom: -10px;
  font-size: 11px;
  color: var(--muted);
}
.section {
  padding: 90px 0;
}
.section-heading {
  margin-bottom: 40px;
}
.section-heading > p:last-child:not(.eyebrow) {
  color: var(--muted);
  margin-top: 16px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.feature {
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: var(--surface);
}
.feature-copy {
  padding: 28px 24px 25px;
}
.step {
  display: block;
  font-size: 12px;
  font-weight: 750;
  color: var(--accent);
  margin-bottom: 15px;
}
.feature h3 {
  font-size: 21px;
  margin-bottom: 12px;
}
.feature p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}
.screenshot-link {
  display: block;
  margin: 0 16px 16px;
  border-radius: 13px;
  overflow: hidden;
}
.screenshot-link img {
  width: 100%;
}
.caption {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  margin-top: 20px;
}
.extras {
  border-top: 1px solid var(--line);
}
.extra-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
}
.extra-grid h3 {
  font-size: 20px;
  margin: 20px 0 12px;
}
.extra-grid p {
  font-size: 15px;
  color: var(--muted);
}
.feature-symbol {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--mint);
  color: var(--accent);
  font-size: 25px;
}
.privacy-banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  background: var(--mint);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 50px;
}
.privacy-banner h2 {
  font-size: 32px;
}
.privacy-banner p:not(.eyebrow) {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 20px;
}
.text-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 650;
  padding-block: 8px;
}
.faq-section {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 50px;
}
.faq-list details {
  border-bottom: 1px solid var(--line);
}
.faq-list details:first-child {
  border-top: 1px solid var(--line);
}
.faq-list summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  list-style: none;
  cursor: pointer;
  padding: 22px 2px;
  font-weight: 650;
  font-size: 17px;
  min-height: 60px;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary::after {
  content: "+";
  color: var(--accent);
  font-size: 24px;
  font-weight: 400;
}
.faq-list details[open] summary::after {
  content: "−";
}
.faq-list details p {
  font-size: 15px;
  color: var(--muted);
  padding: 0 24px 24px 2px;
}
.download-banner {
  text-align: center;
  background: var(--mint);
  border-radius: 28px;
  padding: 60px 24px;
}
.download-banner h2 {
  margin-bottom: 28px;
}
.medical-note {
  padding: 40px 4px;
  font-size: 13px;
  color: var(--muted);
  max-width: 820px;
  margin: auto;
  text-align: center;
}
.medical-note strong {
  font-weight: 650;
}
.medical-note p {
  margin-top: 8px;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding: 34px 0 42px;
  display: flex;
  justify-content: space-between;
  gap: 28px;
  font-size: 13px;
  color: var(--muted);
}
.site-footer .brand {
  font-size: 18px;
  margin-bottom: 8px;
}
.site-footer .brand img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}
.site-footer p {
  margin-top: 4px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-bottom: 8px;
}
.footer-links a {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
}
.document {
  max-width: 800px;
  margin: 0 auto;
  padding: 64px 0 80px;
}
.document-header {
  padding-bottom: 32px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--line);
}
.document h1 {
  font-size: clamp(32px, 4vw, 44px);
  margin-bottom: 22px;
}
.document h2 {
  font-size: 25px;
  margin: 42px 0 18px;
}
.document h3 {
  font-size: 20px;
  margin: 24px 0 12px;
}
.document p {
  margin-bottom: 16px;
}
.document .lede,
.sub {
  color: var(--muted);
}
.document ul,
.document ol {
  padding-left: 24px;
}
.document li {
  margin: 10px 0;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  margin: 24px 0;
}
.card h2:first-child {
  margin-top: 0;
}
.card p:last-child {
  margin-bottom: 0;
}
.notice {
  background: var(--mint);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  margin: 24px 0;
}
.table-scroll {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--line);
  border-radius: 14px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.7;
}
th,
td {
  text-align: left;
  vertical-align: top;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  min-width: 110px;
}
th {
  background: var(--mint);
  font-weight: 700;
}
tr:last-child td {
  border-bottom: 0;
}
.policy-body > h1 {
  margin-bottom: 28px;
}
.policy-body > h2 {
  scroll-margin-top: 30px;
}
.policy-body > p,
.policy-body > ul,
.policy-body > ol {
  color: var(--muted);
}
.policy-body strong {
  color: var(--ink);
}
.policy-intro {
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
  margin-bottom: 28px;
}
.code {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: 8px;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}
.invite-card {
  text-align: center;
}
.invite-card .actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 24px 0 8px;
}
.copy-status {
  min-height: 28px;
  font-size: 14px;
  color: var(--muted);
}
[hidden] {
  display: none !important;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101b17;
    --surface: #192820;
    --ink: #e8f1eb;
    --muted: #afc2b6;
    --accent: #82d9bc;
    --mint: #1a3227;
    --line: #354d3f;
    --button: #93dfc7;
    --button-text: #102b22;
    --shadow: 0 22px 60px #0003;
  }
  .phone {
    border-color: #416151;
  }
  .screenshot-link {
    background: #fff;
  }
}
@media (max-width: 960px) {
  .hero {
    gap: 20px;
    min-height: 680px;
  }
  .hero h1 {
    font-size: 46px;
  }
  .hero-description {
    font-size: 18px;
  }
  .hero-benefits {
    gap: 10px;
  }
  .floating-note {
    left: -10px;
    padding: 12px;
  }
  .feature-grid {
    gap: 14px;
  }
  .feature-copy {
    padding: 24px 18px;
  }
  .feature h3 {
    font-size: 19px;
  }
  .extra-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .privacy-banner {
    padding: 36px;
    gap: 30px;
  }
  .faq-section {
    gap: 30px;
  }
}
@media (max-width: 700px) {
  .container {
    width: calc(100% - 40px);
  }
  .site-header {
    min-height: 80px;
    gap: 12px;
  }
  .brand {
    font-size: 21px;
  }
  .site-nav {
    gap: 12px;
  }
  .site-nav .nav-detail {
    display: none;
  }
  .site-nav .nav-download {
    font-size: 13px;
    padding: 6px 14px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 48px 0 30px;
    gap: 48px;
  }
  .hero h1 {
    font-size: clamp(38px, 9vw, 54px);
    margin-bottom: 22px;
  }
  .hero-description {
    font-size: 18px;
  }
  .hero-benefits {
    font-size: 12px;
    margin-top: 26px;
    gap: 16px;
  }
  .hero-visual {
    width: min(100%, 400px);
    margin: 0 auto;
    padding-top: 10px;
  }
  .phone {
    width: 252px;
  }
  .orbit {
    inset: 14% 24px 6%;
  }
  .floating-note {
    left: 0;
    bottom: 72px;
  }
  .section {
    padding: 64px 0;
  }
  .section-heading {
    margin-bottom: 28px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 26px;
    max-width: 420px;
    margin-inline: auto;
  }
  .feature-copy {
    padding: 28px;
  }
  .feature h3 {
    font-size: 23px;
  }
  .feature p {
    font-size: 16px;
  }
  .screenshot-link {
    margin: 0 24px 24px;
  }
  .extra-grid {
    gap: 28px 24px;
  }
  .extra-grid h3 {
    font-size: 18px;
  }
  .extra-grid p {
    font-size: 14px;
  }
  .privacy-banner {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 30px 26px;
  }
  .privacy-banner h2 {
    font-size: 28px;
  }
  .faq-section {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .download-banner {
    padding: 44px 20px;
  }
  .medical-note {
    text-align: left;
    padding: 30px 0;
  }
  .site-footer {
    flex-direction: column;
    gap: 20px;
  }
  .document {
    padding: 40px 0 56px;
  }
  .document h2 {
    font-size: 23px;
  }
  .card {
    padding: 22px;
  }
  .document p,
  .document li {
    font-size: 16px;
  }
  .code {
    font-size: 42px;
  }
  .table-scroll {
    margin-inline: 0;
  }
  th,
  td {
    padding: 12px;
    min-width: 100px;
  }
  .footer-links {
    gap: 6px 18px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
@media print {
  .site-header,
  .site-footer,
  .skip-link {
    display: none;
  }
  body {
    background: #fff;
    color: #000;
  }
  .container {
    width: 100%;
  }
  .document {
    padding: 0;
  }
  .table-scroll {
    overflow: visible;
  }
  a {
    color: inherit;
  }
  h2,
  h3 {
    break-after: avoid;
  }
  tr {
    break-inside: avoid;
  }
}