:root {
  color-scheme: dark;
  --bg: #10121a;
  --surface: #191c27;
  --ink: #f4f4f7;
  --muted: #9ca2b5;
  --accent: #c4b4ff;
  --line: #ffffff13;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 105px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font:
    16px/1.6 system-ui,
    -apple-system,
    "Noto Sans KR",
    sans-serif;
  letter-spacing: -0.025em;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: default;
}
.shell,
.header-inner {
  width: min(1240px, calc(100% - 80px));
  margin: auto;
}
.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #10121af2;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.header-inner {
  height: 84px;
  display: flex;
  align-items: center;
  gap: 50px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 21px;
  font-weight: 850;
  white-space: nowrap;
}
.brand-suffix {
  font-weight: 400;
  color: var(--muted);
  font-size: 17px;
}
.brand-symbol {
  display: inline-flex;
  position: relative;
  align-items: center;
  justify-content: center;
  width: 35px;
  height: 35px;
  margin-right: 6px;
  background: var(--accent);
  color: #242032;
  border-radius: 10px;
  font-size: 31px;
  line-height: 1;
  font-weight: 950;
}
.brand-symbol > span {
  font-size: 17px;
  position: absolute;
  right: -6px;
  top: -7px;
  color: #e3e5a2;
}
.header nav {
  display: flex;
  gap: 32px;
  align-items: center;
  font-size: 14px;
  font-weight: 650;
}
.header nav a {
  padding: 14px 0;
  color: #b9bed0;
}
.header nav a:hover {
  color: var(--accent);
}
.sound {
  margin-left: auto;
  display: flex;
  gap: 8px;
  align-items: center;
  border: 1px solid #ffffff20;
  background: #ffffff05;
  border-radius: 24px;
  color: #c5cad8;
  font-size: 12px;
  padding: 9px 14px;
  min-height: 40px;
}
.sound[aria-pressed="true"] {
  color: var(--accent);
  border-color: var(--accent);
}
.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  padding: 76px 0 54px;
  align-items: center;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
}
.eyebrow > span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #cbe4a8;
}
.hero h1 {
  font-size: clamp(44px, 4.7vw, 68px);
  line-height: 1.19;
  letter-spacing: -0.065em;
  margin: 23px 0 24px;
  font-weight: 850;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero-copy > p {
  font-size: 17px;
  color: #aeb4c6;
  line-height: 1.85;
  margin: 0 0 30px;
}
.mobile-break {
  display: none;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  border: 1px solid #ffffff25;
  background: var(--surface);
  color: var(--ink);
  border-radius: 10px;
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 750;
  min-height: 48px;
}
.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #201b32;
}
.button:hover {
  filter: brightness(1.08);
}
.text-link {
  color: #bfc4d5;
  font-size: 13px;
  white-space: nowrap;
}
.text-link:hover {
  color: var(--accent);
}
.hero-facts {
  display: flex;
  gap: 17px;
  align-items: center;
  margin-top: 34px;
  font-size: 12px;
  color: var(--muted);
}
.hero-facts b {
  font-size: 14px;
  color: #e5e6ed;
  font-weight: 650;
  margin-right: 3px;
}
.hero-facts i {
  width: 1px;
  height: 11px;
  background: #ffffff24;
}
.hero-feature {
  position: relative;
  background: #252836;
  border: 1px solid #ffffff18;
  border-radius: 22px;
  overflow: hidden;
  transform: rotate(2deg);
  transition: transform 0.25s;
}
.hero-feature:hover {
  transform: rotate(0);
}
.feature-top {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  color: #dedbe9;
}
.mini-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  font-weight: 700;
}
.feature-icon {
  font-size: 24px;
}
.hero-feature > img {
  display: block;
  width: 100%;
  height: 245px;
  object-fit: cover;
  object-position: center;
  border-top: 1px solid #ffffff10;
  border-bottom: 1px solid #ffffff10;
}
.feature-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
}
.feature-bottom span {
  font-size: 12px;
  color: #acb1c4;
}
.feature-bottom h2 {
  font-size: 27px;
  font-weight: 750;
  margin: 3px 0 0;
}
.feature-bottom .round-play {
  display: grid;
  place-items: center;
  width: 43px;
  height: 43px;
  background: var(--accent);
  color: #242032;
  font-size: 14px;
  border-radius: 50%;
}
.quick-start {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #171a24;
  overflow: hidden;
}
.quick-start > a {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 22px 26px;
}
.quick-start > a + a {
  border-left: 1px solid var(--line);
}
.quick-start > a:hover {
  background: #ffffff04;
}
.quick-icon {
  display: grid;
  place-items: center;
  width: 43px;
  height: 43px;
  flex-shrink: 0;
  border-radius: 13px;
  font-size: 26px;
}
.violet {
  color: #cbbdff;
  background: #cbbdff15;
}
.mint {
  color: #b3ddc6;
  background: #b3ddc615;
}
.peach {
  color: #e4bca8;
  background: #e4bca815;
}
.quick-start b {
  display: block;
  font-size: 14px;
  font-weight: 650;
}
.quick-start small {
  font-size: 12px;
  color: var(--muted);
}
.quick-start > a > span:last-child {
  margin-left: auto;
  color: var(--muted);
  font-size: 18px;
}
.explore {
  padding: 70px 0 0;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 22px;
  margin-bottom: 26px;
}
.section-head h2 {
  font-size: 30px;
  line-height: 1.4;
  letter-spacing: -0.045em;
  margin: 9px 0 0;
}
.explore-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.tabs {
  display: flex;
  gap: 6px;
}
.tabs button {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9px;
  color: #a8aebe;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 17px;
  min-height: 44px;
}
.tabs button span {
  font-size: 11px;
  margin-left: 5px;
  opacity: 0.7;
}
.tabs button[aria-pressed="true"] {
  background: #c4b4ff17;
  border-color: #c4b4ff22;
  color: #d6caff;
}
.search {
  display: flex;
  gap: 8px;
  align-items: center;
  background: #1a1d28;
  border: 1px solid #ffffff12;
  border-radius: 10px;
  padding: 0 14px;
  width: 320px;
}
.search > span {
  font-size: 24px;
  color: #a9afc0;
}
.search input {
  padding: 12px 0;
  width: 100%;
  min-width: 0;
  background: transparent;
  border: 0;
  color: var(--ink);
  font-size: 13px;
  outline-offset: 0;
}
.search input::placeholder {
  color: #7c8399;
}
.result-count {
  font-size: 12px;
  color: var(--muted);
  margin: 18px 0 22px;
}
.content-group {
  scroll-margin-top: 110px;
}
.group-heading {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.group-heading span {
  font-size: 13px;
  font-weight: 450;
  letter-spacing: -0.02em;
  color: var(--muted);
}
.content-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 26px 20px;
}
.content-group + .content-group {
  margin-top: 46px;
}
.content-card {
  display: block;
  min-width: 0;
  overflow: hidden;
  border-radius: 13px;
  background: var(--surface);
  border: 1px solid #ffffff0a;
  transition:
    transform 0.2s,
    border-color 0.2s;
}
.content-card:hover {
  transform: translateY(-4px);
  border-color: #c4b4ff55;
}
.card-cover {
  position: relative;
  aspect-ratio: 1.65;
  overflow: hidden;
  background: #202534;
  border-bottom: 1px solid #ffffff08;
}
.card-cover img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.3s;
}
.content-card:hover img {
  transform: scale(1.035);
}
.cover-arrow {
  position: absolute;
  right: 11px;
  bottom: 10px;
  width: 28px;
  height: 28px;
  border: 1px solid #ffffff30;
  border-radius: 50%;
  background: #10121ab8;
  display: grid;
  place-items: center;
  font-size: 17px;
  color: #f5f5ff;
}
.card-copy {
  padding: 17px 17px 21px;
}
.card-kind {
  font-size: 9px;
  color: #aaa3c6;
  letter-spacing: 0.07em;
  font-weight: 650;
}
.card-copy h3 {
  font-size: 16px;
  line-height: 1.4;
  font-weight: 700;
  margin: 7px 0 8px;
  letter-spacing: -0.035em;
}
.card-copy p {
  font-size: 12px;
  line-height: 1.75;
  color: #9da5b9;
  margin: 0;
}
.guides {
  padding: 76px 0 0;
}
.section-note {
  color: var(--muted);
  font-size: 12px;
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.guide-grid > a {
  position: relative;
  border: 1px solid #ffffff10;
  background: linear-gradient(135deg, #242333, #191c27);
  border-radius: 15px;
  padding: 28px;
}
.guide-grid > a:nth-child(2) {
  background: linear-gradient(135deg, #202c2e, #191c27);
}
.guide-grid > a:nth-child(3) {
  background: linear-gradient(135deg, #30282b, #191c27);
}
.guide-number {
  color: #a6a4bb;
  letter-spacing: 0.1em;
  font-size: 10px;
  font-weight: 600;
}
.guide-grid h3 {
  font-size: 24px;
  font-weight: 650;
  line-height: 1.45;
  letter-spacing: -0.04em;
  margin: 25px 0 14px;
}
.guide-grid p {
  font-size: 13px;
  color: #9fa7ba;
  line-height: 1.85;
  margin: 0 0 26px;
}
.guide-cta {
  font-size: 12px;
  color: #d7caff;
}
.guide-grid > a:hover {
  border-color: #c4b4ff60;
}
.about-strip {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 36px 0;
  margin-top: 58px;
  border-top: 1px solid var(--line);
}
.about-mark {
  font-size: 54px;
  color: var(--accent);
  line-height: 1;
}
.about-strip h2 {
  font-size: 18px;
  margin: 0 0 9px;
}
.about-strip p {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}
.about-strip > a {
  margin-left: auto;
}
.footer {
  border-top: 1px solid var(--line);
  background: #0c0e15;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  padding-top: 38px;
  padding-bottom: 24px;
  gap: 28px;
}
.footer .brand {
  font-size: 18px;
}
.footer-star {
  color: var(--accent);
  margin-left: 8px;
}
.footer p {
  font-size: 12px;
  color: var(--muted);
  margin: 7px 0 0;
}
.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 12px;
  color: #acb3c6;
}
.footer-bottom {
  width: 100%;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  color: #777f95;
  font-size: 11px;
}
.empty {
  text-align: center;
  padding: 54px 20px;
  background: var(--surface);
  border-radius: 14px;
}
.empty h3 {
  font-size: 20px;
}
.empty p {
  color: var(--muted);
  font-size: 14px;
}
.skip {
  position: fixed;
  top: -100px;
  left: 20px;
  z-index: 9999;
  background: var(--accent);
  color: #201b32;
  padding: 12px 18px;
  border-radius: 8px;
}
.skip:focus {
  top: 10px;
}
.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
[hidden] {
  display: none !important;
}
@media (min-width: 1600px) {
  .hero {
    gap: 110px;
    padding-top: 90px;
    padding-bottom: 65px;
  }
  .hero-feature > img {
    height: 270px;
  }
}
@media (max-width: 1050px) {
  .shell,
  .header-inner {
    width: calc(100% - 48px);
  }
  .hero {
    gap: 36px;
  }
  .hero h1 {
    font-size: 54px;
  }
  .hero-feature > img {
    height: 220px;
  }
  .hero-actions {
    gap: 14px;
  }
  .hero-actions .text-link {
    font-size: 12px;
  }
  .content-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .quick-start > a {
    padding: 19px 16px;
    gap: 10px;
  }
  .quick-start b {
    font-size: 12px;
  }
  .quick-start small {
    font-size: 11px;
  }
  .header-inner {
    gap: 30px;
  }
  .header nav {
    gap: 22px;
  }
  .hero-facts {
    gap: 10px;
  }
}
@media (max-width: 740px) {
  html {
    scroll-padding-top: 92px;
  }
  .shell,
  .header-inner {
    width: calc(100% - 36px);
  }
  .header-inner {
    height: 72px;
    gap: 18px;
    flex-wrap: wrap;
  }
  .brand {
    font-size: 19px;
  }
  .brand-suffix {
    display: none;
  }
  .brand-symbol {
    width: 29px;
    height: 29px;
    font-size: 26px;
    border-radius: 8px;
  }
  .header nav {
    gap: 16px;
    margin-left: auto;
    font-size: 12px;
  }
  .sound {
    margin-left: 0;
    width: 33px;
    min-height: 33px;
    height: 33px;
    padding: 0;
    justify-content: center;
    font-size: 19px;
  }
  .sound span {
    display: none;
  }
  .hero {
    padding: 38px 0 28px;
    gap: 30px;
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 53px;
    margin-top: 19px;
    margin-bottom: 20px;
  }
  .hero-copy > p {
    font-size: 15px;
    margin-bottom: 24px;
    line-height: 1.8;
  }
  .hero-copy > p br:not(.mobile-break) {
    display: none;
  }
  .mobile-break {
    display: block;
  }
  .hero-actions {
    gap: 16px;
  }
  .button {
    font-size: 13px;
    padding: 12px 17px;
  }
  .hero-facts {
    margin-top: 24px;
    font-size: 11px;
    gap: 14px;
  }
  .hero-facts b {
    font-size: 13px;
  }
  .hero-feature {
    transform: none;
    border-radius: 16px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    align-items: center;
  }
  .feature-top {
    grid-column: 2;
    grid-row: 1;
    padding: 14px 16px 0;
  }
  .feature-top .mini-label {
    font-size: 8px;
    letter-spacing: 0.07em;
  }
  .feature-icon {
    display: none;
  }
  .hero-feature > img {
    grid-column: 1;
    grid-row: 1/3;
    height: 145px;
    object-fit: cover;
    border: 0;
    border-right: 1px solid #ffffff12;
  }
  .feature-bottom {
    grid-column: 2;
    grid-row: 2;
    padding: 4px 16px 16px;
    gap: 5px;
  }
  .feature-bottom span {
    font-size: 10px;
  }
  .feature-bottom h2 {
    font-size: 21px;
  }
  .feature-bottom .round-play {
    width: 29px;
    height: 29px;
    font-size: 10px;
    flex-shrink: 0;
  }
  .quick-start {
    grid-template-columns: 1fr;
    border-radius: 13px;
  }
  .quick-start > a {
    padding: 14px 17px;
    gap: 13px;
  }
  .quick-start > a + a {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .quick-icon {
    width: 35px;
    height: 35px;
    font-size: 23px;
    border-radius: 10px;
  }
  .quick-start b {
    font-size: 13px;
  }
  .quick-start small {
    font-size: 11px;
  }
  .quick-start > a > span:nth-child(2) {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px 13px;
  }
  .explore {
    padding-top: 42px;
  }
  .section-head {
    margin-bottom: 21px;
    gap: 10px;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .section-head > .text-link {
    font-size: 11px;
  }
  .eyebrow {
    font-size: 9px;
    letter-spacing: 0.12em;
  }
  .explore-controls {
    align-items: stretch;
    flex-direction: column;
    gap: 16px;
    padding-bottom: 17px;
  }
  .tabs button {
    font-size: 13px;
    padding: 8px 16px;
  }
  .search {
    width: 100%;
  }
  .search input {
    font-size: 13px;
  }
  .result-count {
    margin: 16px 0 20px;
    font-size: 11px;
  }
  .content-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 12px;
  }
  .card-copy {
    padding: 12px 12px 16px;
  }
  .card-kind {
    font-size: 8px;
  }
  .card-copy h3 {
    font-size: 14px;
    margin: 6px 0 7px;
  }
  .card-copy p {
    font-size: 11px;
    line-height: 1.7;
  }
  .card-cover {
    aspect-ratio: 1.5;
  }
  .content-card {
    border-radius: 11px;
  }
  .cover-arrow {
    width: 24px;
    height: 24px;
    bottom: 7px;
    right: 7px;
    font-size: 14px;
  }
  .group-heading {
    font-size: 10px;
    gap: 9px;
  }
  .group-heading span {
    font-size: 12px;
  }
  .content-group + .content-group {
    margin-top: 32px;
  }
  .guides {
    padding-top: 46px;
  }
  .section-note {
    display: none;
  }
  .guide-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .guide-grid > a {
    padding: 22px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 15px;
  }
  .guide-number {
    grid-column: 1/-1;
    font-size: 9px;
  }
  .guide-grid h3 {
    font-size: 20px;
    margin: 15px 0 18px;
    grid-column: 1;
    grid-row: 2;
  }
  .guide-grid p {
    grid-column: 2;
    grid-row: 2;
    font-size: 11px;
    align-self: center;
    margin: 12px 0;
  }
  .guide-cta {
    grid-column: 1/-1;
    font-size: 11px;
  }
  .about-strip {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 32px;
    padding: 28px 0;
  }
  .about-mark {
    font-size: 37px;
  }
  .about-strip > div:nth-child(2) {
    flex: 1;
  }
  .about-strip h2 {
    font-size: 16px;
  }
  .about-strip p {
    font-size: 11px;
  }
  .about-strip > a {
    margin-left: 52px;
    font-size: 12px;
  }
  .footer-inner {
    padding-top: 28px;
    gap: 24px;
  }
  .footer nav {
    gap: 12px 18px;
    font-size: 11px;
  }
  .footer-bottom {
    font-size: 10px;
    gap: 10px;
  }
  .footer .brand {
    font-size: 17px;
  }
}
@media (max-width: 359px) {
  .shell,
  .header-inner {
    width: calc(100% - 28px);
  }
  .header-inner {
    gap: 10px;
  }
  .header nav {
    gap: 12px;
  }
  .hero h1 {
    font-size: 46px;
  }
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }
  .hero-facts {
    gap: 9px;
  }
  .feature-bottom .round-play {
    display: none;
  }
  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .card-copy {
    padding: 11px 9px 14px;
  }
  .card-copy h3 {
    font-size: 13px;
  }
  .guide-grid > a {
    grid-template-columns: 1fr;
  }
  .guide-grid p {
    grid-column: 1;
    grid-row: 3;
    margin: 0 0 18px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
  .hero-feature {
    transform: none;
  }
}
h1,
h2,
h3,
h4 {
  word-break: keep-all;
  overflow-wrap: break-word;
}

.audio-menu {
  position: relative;
  margin-left: auto;
}
.audio-menu summary {
  list-style: none;
  cursor: pointer;
}
.audio-menu summary::-webkit-details-marker {
  display: none;
}
.audio-popover {
  position: absolute;
  right: 0;
  top: 52px;
  width: 238px;
  padding: 18px;
  display: grid;
  gap: 12px;
  border: 1px solid #ffffff25;
  background: #191c27;
  border-radius: 14px;
  box-shadow: 0 15px 45px #0008;
}
.audio-popover .button {
  width: 100%;
  font-size: 12px;
  padding: 8px;
  min-height: 40px;
}
.audio-popover label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
}
.audio-popover input {
  width: 100%;
  accent-color: var(--accent);
}
.audio-popover p {
  font-size: 11px;
  color: var(--muted);
  margin: 0;
}
.audio-menu summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}
@media (max-width: 740px) {
  .audio-menu {
    margin-left: 0;
  }
  .audio-popover {
    top: 47px;
    width: 220px;
  }
  .audio-popover .button span {
    display: inline;
  }
}
