:root {
  color-scheme: light;
  --ink: #102019;
  --ink-soft: #405047;
  --night: #08120e;
  --night-2: #10221a;
  --paper: #f4f0e7;
  --paper-2: #ebe5d9;
  --white: #fffdf7;
  --line: rgba(16, 32, 25, 0.16);
  --line-light: rgba(255, 255, 255, 0.16);
  --lime: #d9ff57;
  --lime-dark: #b6e22e;
  --coral: #ff806a;
  --sky: #8ad9ff;
  --lavender: #c9b7ff;
  --max: 1180px;
  --site: min(1240px, calc(100vw - 48px));
  --radius-sm: 12px;
  --radius: 22px;
  --radius-lg: 36px;
  --shadow: 0 24px 70px rgba(8, 18, 14, 0.14);
  --font-sans: Inter, Pretendard, "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

/* Inline labels and deck names should follow the surrounding Korean typography.
   Components made for machine-readable values set their own monospace font. */
.v2-site code {
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
}

.v2-site .v2-release-facts code {
  font-family: var(--font-mono);
  letter-spacing: normal;
}

body.nav-open {
  overflow: hidden;
}

img,
audio {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--sky);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--lime);
  color: var(--night);
  font-weight: 850;
  transform: translateY(-160%);
}

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

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 50%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: var(--site);
  height: 104px;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-sans);
  letter-spacing: normal;
  transform: translateX(-50%);
}

.site-header a {
  text-decoration: none;
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  font-size: 20px;
  font-weight: 760;
  letter-spacing: 0.035em;
  white-space: nowrap;
}

.brand-wordmark {
  letter-spacing: 0.02em;
}

.brand-wordmark b {
  color: var(--lime);
  font: inherit;
}

.brand-mark {
  position: relative;
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  width: 52px;
  height: 52px;
  color: var(--night);
  background: var(--lime);
  border-radius: 12px;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  transform: rotate(-4deg);
}

.brand-mark-jlpt {
  position: absolute;
  top: 9px;
  left: 50%;
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.13em;
  line-height: 1;
  transform: translateX(-50%);
}

.brand-mark-max {
  font-size: 21px;
  font-weight: 950;
  letter-spacing: -0.075em;
  line-height: 1;
  transform: translateY(2px);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 20px;
  font-weight: 650;
}

.site-header .nav-group {
  display: inline-flex;
  flex: 0 0 auto;
  gap: 28px;
  align-items: center;
}

.site-header .nav-primary-links {
  gap: 2px;
}

.site-header nav a,
.nav-action {
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.site-header nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  min-height: 44px;
}

.site-header nav a:hover,
.site-header nav a[aria-current="page"] {
  color: var(--lime);
}

.site-header .nav-primary-links a {
  padding: 0 11px;
  border-radius: 999px;
}

.site-header .nav-primary-links a:hover,
.site-header .nav-primary-links a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.08);
}

.nav-guide-menu {
  position: relative;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  color: inherit;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-guide-menu::after {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  height: 8px;
  content: "";
}

.nav-guide-menu[data-open="true"],
.nav-guide-menu[data-current="true"] {
  color: var(--lime);
  background: rgba(255, 255, 255, 0.08);
}

.site-header .nav-primary-links .nav-guide-entry {
  padding-right: 3px;
  background: transparent;
}

.site-header .nav-primary-links .nav-guide-entry:hover,
.site-header .nav-primary-links .nav-guide-entry[aria-current="page"] {
  background: transparent;
}

.nav-guide-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  min-height: 44px;
  padding: 0 8px 0 2px;
  border: 0;
  border-radius: 999px;
  color: inherit;
  background: transparent;
  cursor: pointer;
  font: inherit;
}

.nav-guide-chevron {
  display: inline-flex;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.nav-guide-chevron svg {
  display: block;
  width: 12px;
  height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.1;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-guide-menu[data-open="true"] .nav-guide-chevron {
  transform: rotate(180deg);
}

.nav-guide-menu[data-open="true"] .nav-guide-chevron,
.nav-guide-menu[data-current="true"] .nav-guide-chevron {
  border-color: rgba(217, 255, 87, 0.38);
  background: rgba(217, 255, 87, 0.1);
}

.nav-guide-submenu {
  position: absolute;
  z-index: 30;
  top: calc(100% + 8px);
  left: 50%;
  display: none;
  width: 260px;
  padding: 8px;
  color: var(--night);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  transform: translateX(-50%);
}

.nav-guide-menu[data-open="true"] .nav-guide-submenu {
  display: grid;
}

@media (hover: hover) and (pointer: fine) {
  .nav-guide-menu:hover {
    color: var(--lime);
    background: rgba(255, 255, 255, 0.08);
  }

  .nav-guide-menu:hover .nav-guide-chevron {
    border-color: rgba(217, 255, 87, 0.38);
    background: rgba(217, 255, 87, 0.1);
    transform: rotate(180deg);
  }

  .nav-guide-menu:hover .nav-guide-submenu {
    display: grid;
  }
}

.site-header .nav-primary-links .nav-guide-submenu a {
  justify-content: flex-start;
  min-height: 42px;
  padding: 0 13px;
  border-radius: 9px;
  color: var(--night);
  font-size: 14px;
  white-space: nowrap;
}

.site-header .nav-primary-links .nav-guide-submenu a:hover,
.site-header .nav-primary-links .nav-guide-submenu a[aria-current="page"] {
  color: var(--night);
  background: var(--paper-2);
}

.nav-label-compact,
.mobile-label {
  display: none;
}

.nav-action {
  display: inline-flex;
  gap: 7px;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 14px;
  color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
}

.nav-action:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.11);
  border-color: rgba(255, 255, 255, 0.38);
}

.nav-action-icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.nav-action-arrow {
  color: var(--lime);
  font-size: 14px;
  line-height: 1;
}

.v2-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 19px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--lime);
  color: var(--night);
  font-size: 14px;
  font-weight: 900;
  line-height: 1;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.v2-button:hover {
  background: var(--lime-dark);
  box-shadow: 0 10px 30px rgba(217, 255, 87, 0.18);
  transform: translateY(-2px);
}

.v2-button-dark {
  background: var(--night);
  color: var(--white);
}

.v2-button-dark:hover {
  background: #1b3328;
  box-shadow: 0 10px 30px rgba(8, 18, 14, 0.2);
}

.button-download-icon {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.v2-button-ghost {
  border-color: currentColor;
  background: transparent;
  color: inherit;
}

.v2-button-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.v2-main {
  overflow-x: clip;
}

.v2-shell {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}

.v2-kicker {
  margin: 0 0 18px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.v2-kicker span {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--coral);
}


.v2-page-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(56px, 7vw, 102px);
  font-weight: 930;
  letter-spacing: -0.075em;
  line-height: 0.96;
  word-break: keep-all;
}

.v2-page-hero h1 em {
  color: var(--lime);
  font-style: normal;
}

.v2-hero-lead {
  max-width: 650px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 560;
  line-height: 1.55;
  word-break: keep-all;
}

.v2-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}


.v2-feature-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 54px;
  border-radius: 13px;
  background: var(--paper-2);
  font-size: 18px;
  font-weight: 900;
}


.v2-faq {
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

.v2-faq details {
  border-bottom: 1px solid var(--line);
}

.v2-faq summary {
  position: relative;
  display: block;
  padding: 25px 48px 25px 4px;
  cursor: pointer;
  font-size: 19px;
  font-weight: 820;
  line-height: 1.45;
  list-style: none;
}

.v2-faq summary::-webkit-details-marker {
  display: none;
}

.v2-faq summary::after {
  position: absolute;
  top: 50%;
  right: 4px;
  content: "+";
  font-size: 25px;
  font-weight: 500;
  line-height: 1;
  transform: translateY(-50%);
}

.v2-faq details[open] summary::after {
  content: "−";
}

.v2-faq details > div {
  max-width: 800px;
  padding: 0 4px 26px;
  color: var(--ink-soft);
}

.v2-page-hero {
  padding: 152px 0 64px;
  background: var(--night);
  color: var(--white);
}

.v2-page-hero h1 {
  max-width: 900px;
  font-size: clamp(52px, 7vw, 92px);
}

.v2-page-hero .v2-hero-lead {
  max-width: 760px;
}

.v2-page-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 28px;
}

.v2-page-badges span {
  padding: 8px 12px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 750;
}

.v2-guide-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 70px;
  align-items: start;
  padding: 72px 0 110px;
}

.v2-guide-toc {
  position: sticky;
  top: 24px;
  align-self: start;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 253, 247, 0.72);
}

.v2-guide-toc strong {
  display: block;
  margin-bottom: 14px;
  font-size: 11px;
  letter-spacing: 0.13em;
}

.v2-guide-toc ol {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.v2-guide-toc a {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.v2-guide-toc a:hover {
  color: var(--ink);
}

.v2-guide-content {
  min-width: 0;
}

.v2-guide-section {
  padding: 12px 0 76px;
  border-bottom: 1px solid var(--line);
}

.v2-guide-section + .v2-guide-section {
  padding-top: 72px;
}

.v2-step-label {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--lime);
  font-size: 10px;
  font-weight: 950;
  letter-spacing: 0.12em;
}

.v2-guide-section h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 920;
  letter-spacing: -0.055em;
  line-height: 1.05;
  word-break: keep-all;
}

.v2-guide-section > p {
  max-width: 780px;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
}

.v2-guide-subsection {
  margin-top: 44px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.v2-guide-subsection > h3 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  letter-spacing: -.04em;
  line-height: 1.15;
  word-break: keep-all;
}

.v2-guide-subsection > h3.v2-subsection-heading {
  margin-top: 52px;
}

.v2-guide-subsection > p {
  max-width: 780px;
  margin: 16px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
}

.v2-optional-guide {
  margin-top: 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.v2-optional-guide > summary {
  position: relative;
  display: block;
  padding: 24px 64px 24px 24px;
  cursor: pointer;
  list-style: none;
}

.v2-optional-guide > summary::-webkit-details-marker {
  display: none;
}

.v2-optional-guide > summary::after {
  position: absolute;
  top: 50%;
  right: 24px;
  content: "+";
  font-size: 28px;
  line-height: 1;
  transform: translateY(-50%);
}

.v2-optional-guide[open] > summary::after {
  content: "−";
}

.v2-optional-guide > summary strong,
.v2-optional-guide > summary small {
  display: block;
}

.v2-optional-guide > summary strong {
  font-size: 18px;
}

.v2-optional-guide > summary small {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 14px;
}

.v2-optional-guide-body {
  padding: 0 24px 28px;
  border-top: 1px solid var(--line);
}

.v2-optional-guide-body > h3.v2-subsection-heading {
  margin-top: 52px;
}

.v2-step-list {
  display: grid;
  gap: 14px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: guide;
}

.v2-step-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  counter-increment: guide;
}

.v2-step-list li::before {
  content: counter(guide);
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  background: var(--night);
  color: var(--white);
  font-weight: 900;
}

.v2-step-list strong {
  display: block;
  font-size: 17px;
}

.v2-step-list p {
  margin: 5px 0 0;
  color: var(--ink-soft);
}

.v2-download-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
  margin-top: 30px;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--night);
  color: var(--white);
  box-shadow: var(--shadow);
}

.v2-download-card small {
  color: var(--lime);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.v2-download-card h3 {
  margin: 7px 0 5px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.3vw, 22px);
  word-break: break-all;
}

.v2-download-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
}

.v2-option-grid,
.v2-device-grid,
.v2-support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.v2-option-grid-single {
  grid-template-columns: 1fr;
}

.v2-option-group-title,
.v2-verify-heading {
  margin: 30px 0 0;
  font-size: 18px;
  letter-spacing: -.025em;
}

.v2-option,
.v2-device-card,
.v2-support-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
}

.v2-option-head {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  align-items: center;
}

.v2-option h3,
.v2-device-card h3,
.v2-support-card h3 {
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.025em;
}

.v2-option p,
.v2-device-card p,
.v2-support-card p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.v2-option .v2-option-button {
  min-height: 40px;
  margin-top: 16px;
  padding-inline: 15px;
  font-size: 13px;
}

.v2-state {
  flex: none;
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--paper-2);
  font-size: 10px;
  font-weight: 900;
}

.v2-state.on {
  background: #d8f6e5;
  color: #155c38;
}

.v2-state.off {
  background: #ffdcd5;
  color: #8a2c1b;
}

.v2-callout {
  margin-top: 24px;
  padding: 20px 22px;
  border-left: 5px solid var(--sky);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: #e5f5fc;
}

.v2-callout.warning {
  border-color: var(--coral);
  background: #ffe3dd;
}

.v2-callout strong {
  display: block;
  margin-bottom: 5px;
}

.v2-callout p {
  margin: 0;
  color: var(--ink-soft);
}

.v2-tabs {
  margin-top: 28px;
}

.v2-tab-list {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  padding: 5px;
  border-radius: 999px;
  background: var(--paper-2);
}

.v2-tab {
  flex: 1;
  min-width: max-content;
  padding: 11px 16px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 850;
  cursor: pointer;
}

.v2-tab[aria-selected="true"] {
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 2px 10px rgba(8, 18, 14, 0.1);
}

.v2-tab-panel {
  margin-top: 14px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
}

.v2-tab-panel[hidden] {
  display: none;
}

.v2-command {
  position: relative;
  margin-top: 16px;
  padding: 20px 90px 20px 20px;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  background: var(--night);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  white-space: nowrap;
}

.v2-copy {
  position: absolute;
  top: 9px;
  right: 9px;
  padding: 7px 10px;
  border: 1px solid var(--line-light);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
}

.v2-verify-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.v2-verify-card {
  padding: 20px;
  border-radius: var(--radius-sm);
  background: var(--night);
  color: var(--white);
}

.v2-verify-card strong {
  display: block;
  color: var(--lime);
  font-size: 29px;
  letter-spacing: -0.05em;
}

.v2-verify-card span {
  color: rgba(255, 255, 255, 0.57);
  font-size: 12px;
  font-weight: 700;
}

.v2-device-card {
  position: relative;
  padding-top: 58px;
}

.v2-device-card > span:first-child {
  position: absolute;
  top: 18px;
  left: 20px;
  color: var(--coral);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.v2-device-card ol {
  margin: 16px 0 20px;
  padding-left: 20px;
  color: var(--ink-soft);
  font-size: 14px;
}

.v2-device-card a,
.v2-support-card a {
  display: inline-flex;
  margin-top: 15px;
  color: var(--ink);
  font-weight: 850;
}

.v2-support-card {
  min-height: 190px;
}

.v2-support-card .v2-feature-icon {
  margin-bottom: 24px;
}

.v2-release-facts {
  width: 100%;
  margin-top: 28px;
  border-collapse: collapse;
  font-size: 14px;
}

.v2-release-facts th,
.v2-release-facts td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.v2-release-facts th {
  width: 32%;
  color: var(--ink-soft);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.v2-release-history {
  display: grid;
  gap: 18px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.v2-release-entry {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
}

.v2-release-entry.is-current {
  border-color: rgba(16, 32, 25, 0.28);
  box-shadow: inset 4px 0 0 var(--lime-dark);
}

.v2-release-entry > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.v2-release-entry > header div {
  display: flex;
  align-items: center;
  gap: 10px;
}

.v2-release-entry > header strong {
  color: var(--ink);
  font-size: 19px;
  letter-spacing: -0.02em;
}

.v2-release-entry > header span {
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--lime);
  color: var(--night);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.v2-release-entry > header time {
  color: var(--ink-soft);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.v2-release-entry h3 {
  margin: 18px 0 0;
  color: var(--ink);
  font-size: 20px;
  letter-spacing: -0.025em;
}

.v2-release-entry > ul {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding-left: 20px;
  color: var(--ink-soft);
  font-size: 14px;
}

.v2-release-migration {
  display: grid;
  gap: 5px;
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--paper-2);
  color: var(--ink-soft);
  font-size: 13px;
}

.v2-release-migration strong {
  color: var(--ink);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.v2-release-link {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  margin-top: 16px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 850;
}

.v2-not-found {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 152px 24px 70px;
  background: var(--night);
  color: var(--white);
  text-align: center;
}

.v2-not-found strong {
  display: block;
  color: var(--lime);
  font-size: clamp(110px, 24vw, 280px);
  font-weight: 950;
  letter-spacing: -0.1em;
  line-height: 0.8;
}

.v2-not-found h1 {
  margin: 30px 0 0;
  font-size: clamp(34px, 5vw, 60px);
  letter-spacing: -0.055em;
}

.v2-not-found p {
  max-width: 560px;
  margin: 15px auto 0;
  color: rgba(255, 255, 255, 0.62);
}

.v2-not-found .v2-hero-actions {
  justify-content: center;
}

.v2-footer {
  padding: 68px max(24px, calc((100vw - var(--max)) / 2)) 24px;
  background: #050b08;
  color: var(--white);
}

.v2-footer-main {
  display: grid;
  grid-template-columns: 0.7fr 1fr 1fr;
  gap: 50px;
  align-items: start;
  padding-bottom: 54px;
}

.v2-footer-brand {
  color: var(--white);
  text-decoration: none;
}

.v2-footer-main > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 16px;
}

.v2-footer-main nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 24px;
}

.v2-footer-main nav a {
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.v2-footer-main nav a:hover {
  color: var(--lime);
}

.v2-footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line-light);
  color: rgba(255, 255, 255, 0.38);
  font-size: 11px;
}

.v2-footer-legal a {
  color: inherit;
}

@media (max-width: 1050px) {
  .site-header nav {
    gap: 14px;
  }

  .site-header .nav-group {
    gap: 16px;
  }

  .site-header .nav-primary-links {
    gap: 0;
  }

  .nav-label-full {
    display: none;
  }

  .nav-label-compact {
    display: inline;
  }
}

@media (max-width: 980px) {
  .v2-guide-layout {
    grid-template-columns: 1fr;
  }

  .v2-guide-toc {
    position: static;
  }

  .v2-footer-main {
    grid-template-columns: 1fr 1fr;
  }

  .v2-footer-main > p {
    grid-column: 2;
  }

  .v2-footer-main nav {
    grid-column: 1 / -1;
  }
}

@media (max-width: 820px) {
  :root {
    --site: calc(100vw - 32px);
  }

  .site-header {
    height: 124px;
    padding-bottom: 48px;
  }

  .site-header nav {
    position: absolute;
    bottom: 2px;
    left: 0;
    display: flex;
    gap: 14px;
    width: 100%;
    padding: 3px 0;
    overflow-x: auto;
    font-size: 16px;
    white-space: nowrap;
    scrollbar-width: none;
  }

  .site-header .nav-group {
    gap: 14px;
  }

  .site-header .nav-primary-links {
    gap: 0;
    padding: 2px 0;
  }

  .site-header nav::-webkit-scrollbar {
    display: none;
  }

  .brand {
    font-size: 18px;
  }

  .brand-mark {
    width: 48px;
    height: 48px;
  }

  .v2-page-hero {
    padding-top: 164px;
  }

  .v2-not-found {
    padding-top: 164px;
  }
}

@media (max-width: 680px) {
  html {
    scroll-padding-top: 136px;
  }

  .v2-shell {
    width: min(100% - 32px, var(--max));
  }

  .v2-page-hero {
    padding-bottom: 48px;
  }

  .v2-page-hero h1 {
    font-size: clamp(48px, 15vw, 70px);
  }

  .nav-guide-menu {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    min-width: 0;
    width: 100%;
  }

  .site-header .nav-primary-links .nav-guide-entry {
    min-width: 0;
    padding-right: 0;
    padding-left: 8px;
  }

  .nav-guide-trigger {
    width: 30px;
    min-width: 30px;
    padding: 0 6px 0 0;
  }

  .nav-guide-submenu {
    position: fixed;
    top: 120px;
    right: 16px;
    left: 16px;
    width: auto;
    transform: none;
  }



  .v2-hero-actions {
    display: grid;
  }

  .v2-button {
    width: 100%;
  }

  .v2-release-entry {
    padding: 20px;
  }

  .v2-release-entry > header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

















  .v2-option-grid,
  .v2-device-grid,
  .v2-support-grid,
  .v2-verify-grid {
    grid-template-columns: 1fr;
  }







  .v2-guide-layout {
    gap: 38px;
    padding: 45px 0 82px;
  }

  .v2-guide-toc {
    display: none;
  }

  .v2-guide-section,
  .v2-guide-section + .v2-guide-section {
    padding-block: 52px;
  }

  .v2-download-card {
    grid-template-columns: 1fr;
  }

  .v2-download-card .v2-button {
    width: 100%;
  }

  .v2-step-list li {
    grid-template-columns: 38px 1fr;
    padding: 17px;
  }

  .v2-command {
    padding: 18px 18px 58px;
    white-space: pre-wrap;
    word-break: break-all;
  }

  .v2-copy {
    top: auto;
    right: 9px;
    bottom: 9px;
  }

  .v2-footer {
    padding: 54px 20px 22px;
  }

  .v2-footer-main {
    grid-template-columns: 1fr;
  }

  .v2-footer-main > p,
  .v2-footer-main nav {
    grid-column: 1;
  }
}

@media (max-width: 560px) {
  :root {
    --site: calc(100vw - 40px);
  }

  html {
    scroll-padding-top: 136px;
  }

  .site-header {
    height: 124px;
    padding-bottom: 48px;
  }

  .brand {
    gap: 9px;
    font-size: 16px;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 10px;
  }

  .brand-mark-jlpt {
    top: 8px;
    font-size: 8px;
  }

  .brand-mark-max {
    font-size: 18px;
  }

  .nav-action {
    min-height: 44px;
    padding: 0 11px;
    font-size: 14px;
  }

  .site-header nav {
    bottom: 0;
    display: block;
    width: 100%;
    padding: 4px 0;
    overflow: visible;
    font-size: 15px;
    white-space: nowrap;
  }

  .site-header .nav-group {
    gap: 0;
    width: 100%;
  }

  .site-header .nav-primary-links {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding: 2px 0;
  }

  .site-header nav a {
    min-height: 44px;
    padding: 0 4px;
    background: transparent;
    border: 0;
    border-radius: 0;
  }

  .site-header .nav-primary-links a {
    padding: 0 8px;
    border-radius: 999px;
  }

  .site-header nav a:focus-visible {
    outline: 0;
    box-shadow: inset 0 -2px 0 var(--lime);
  }

  .nav-label-full,
  .desktop-label {
    display: none;
  }

  .nav-label-compact,
  .mobile-label {
    display: inline;
  }

  .v2-page-hero {
    padding-top: 156px;
  }

  .v2-not-found {
    padding-top: 156px;
  }
}

@media (max-width: 360px) {
  .nav-action-label {
    display: none;
  }

  .nav-action {
    gap: 5px;
    padding: 0 10px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}