:root {
  --ink: #101512;
  --ink-soft: #27302b;
  --night: #0c1210;
  --night-2: #131c19;
  --paper: #f3f0e6;
  --paper-2: #e8e5da;
  --white: #fffdf7;
  --muted: #59635d;
  --line: rgba(16, 21, 18, .14);
  --lime: #d8ff62;
  --mint: #8ee6b1;
  --coral: #ff8f70;
  --coral-ink: #9f351e;
  --radius: 28px;
  --shadow: 0 28px 90px rgba(12, 18, 16, .15);
  --site: min(1240px, calc(100vw - 48px));
  --font-sans: Inter, Pretendard, "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--night);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Segoe UI", sans-serif;
  font-size: 20px;
  line-height: 1.68;
  letter-spacing: -.015em;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

code,
pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

::selection {
  color: var(--night);
  background: var(--lime);
}

:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 2px;
  box-shadow: 0 0 0 7px var(--ink) !important;
}

main:focus {
  outline: none;
  box-shadow: none;
}

.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 16px;
  color: var(--night);
  background: var(--lime);
  border-radius: 999px;
  transform: translateY(-160%);
  transition: transform .2s ease;
}

.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, .1);
  font-family: var(--font-sans);
  letter-spacing: normal;
  transform: translateX(-50%);
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  font-size: 20px;
  font-weight: 760;
  letter-spacing: .035em;
  white-space: nowrap;
}

.brand-wordmark {
  letter-spacing: .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: .13em;
  line-height: 1;
  transform: translateX(-50%);
}

.brand-mark-max {
  font-size: 21px;
  font-weight: 950;
  letter-spacing: -.075em;
  line-height: 1;
  transform: translateY(2px);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: rgba(255, 255, 255, .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 .2s ease, border-color .2s ease, background-color .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, .08);
}

.nav-guide-menu {
  position: relative;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  color: inherit;
  transition: color .2s ease, background-color .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, .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, .14);
  border-radius: 50%;
  background: rgba(255, 255, 255, .04);
  transition: transform .2s ease, border-color .2s ease, background-color .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, .38);
  background: rgba(217, 255, 87, .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, .08);
  }

  .nav-guide-menu:hover .nav-guide-chevron {
    border-color: rgba(217, 255, 87, .38);
    background: rgba(217, 255, 87, .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, .72);
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
}

.nav-action:hover {
  color: var(--white);
  background: rgba(255, 255, 255, .11);
  border-color: rgba(255, 255, 255, .38);
}

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

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

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, .72fr);
  gap: clamp(54px, 8vw, 118px);
  align-items: center;
  min-height: 860px;
  padding: 150px max(24px, calc((100vw - 1240px) / 2)) 110px;
  color: var(--white);
  background:
    radial-gradient(circle at 72% 32%, rgba(142, 230, 177, .12), transparent 27%),
    radial-gradient(circle at 12% 90%, rgba(216, 255, 98, .07), transparent 28%),
    var(--night);
  isolation: isolate;
  overflow: hidden;
}

.hero-noise {
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: .28;
  background-image:
    linear-gradient(rgba(255, 255, 255, .018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .018) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, transparent 4%, black 36%, black 80%, transparent);
}

.hero-glyphs {
  position: absolute;
  z-index: -1;
  right: -60px;
  bottom: -115px;
  color: rgba(216, 255, 98, .035);
  font-family: ui-serif, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(160px, 22vw, 350px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.14em;
  -webkit-text-stroke: 1px rgba(216, 255, 98, .18);
  white-space: nowrap;
}

.hero-copy {
  max-width: 710px;
}


.hero h1 {
  margin: 0;
  font-size: clamp(62px, 7.2vw, 108px);
  font-weight: 840;
  line-height: .98;
  letter-spacing: -.075em;
}

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

.hero-lead {
  max-width: 640px;
  margin: 34px 0 0;
  color: rgba(255, 255, 255, .72);
  font-size: clamp(20px, 1.8vw, 24px);
  line-height: 1.72;
  word-break: keep-all;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 42px;
}

.button {
  display: inline-flex;
  gap: 18px;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 20px;
  font-weight: 760;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--night);
  background: var(--lime);
  box-shadow: 0 14px 42px rgba(216, 255, 98, .15);
}

.button-primary:hover {
  box-shadow: 0 18px 52px rgba(216, 255, 98, .24);
}

.button-secondary {
  color: var(--night);
  background: var(--white);
  border-color: rgba(16, 21, 18, .2);
  box-shadow: 0 12px 34px rgba(16, 21, 18, .1);
}

.button-secondary:hover {
  background: #f8faf7;
  box-shadow: 0 16px 42px rgba(16, 21, 18, .15);
}

.button-download-icon {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  padding: 7px;
  background: rgba(12, 18, 16, .1);
  border-radius: 999px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.button-arrow-icon {
  display: inline-grid;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--night);
  background: var(--mint);
  border-radius: 999px;
  font-size: 19px;
  line-height: 1;
}

.button-quiet {
  color: var(--white);
  border-color: rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .035);
}

.button-quiet:hover {
  background: rgba(255, 255, 255, .08);
}

.microcopy {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, .58);
  font-size: 20px;
  letter-spacing: .015em;
}

.hero-install-link {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-top: 10px;
  color: var(--lime);
  font-weight: 760;
  letter-spacing: -.01em;
}

.hero-install-link span {
  transition: transform .2s ease;
}

.hero-install-link:hover span {
  transform: translateX(4px);
}


.live-dot {
  width: 7px;
  height: 7px;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 14px var(--lime);
}


/* Learner-first deck showcase */
.hero {
  grid-template-columns: minmax(0, 1.02fr) minmax(390px, .82fr);
}

.hero h1 {
  max-width: 820px;
  font-size: clamp(52px, 6vw, 88px);
  line-height: 1.02;
}

.hero-card-sample {
  position: relative;
  width: 100%;
  max-width: 500px;
  margin: 0 0 0 auto;
  padding: 18px;
  background: linear-gradient(155deg, rgba(255, 255, 255, .105), rgba(255, 255, 255, .025));
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 30px;
  box-shadow: 0 48px 120px rgba(0, 0, 0, .38);
  backdrop-filter: blur(15px);
  transform: rotate(1.1deg);
}

.sample-topline {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 9px;
  align-items: center;
  padding: 0 4px 14px;
  color: rgba(255, 255, 255, .58);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .09em;
}

.sample-topline strong {
  color: var(--lime);
  font-weight: 800;
}

.hero-card-window {
  height: min(560px, 61vh);
  min-height: 450px;
  background: #f3f0e9;
  border-radius: 18px;
  box-shadow: inset 0 0 0 1px rgba(16, 21, 18, .08);
  overflow: hidden;
}

.hero-card-window img {
  display: block;
  width: 100%;
  height: auto;
}

.card-showcase {
  background: var(--paper);
}

.anatomy-layout {
  display: grid;
  grid-template-columns: minmax(380px, .94fr) minmax(330px, .74fr);
  gap: clamp(45px, 7vw, 100px);
  align-items: start;
}

.anki-frame {
  min-width: 0;
  margin: 0;
  padding: 13px;
  background: #c8ccc7;
  border: 1px solid rgba(16, 21, 18, .15);
  border-radius: 22px;
  box-shadow: 0 30px 80px rgba(12, 18, 16, .14);
  overflow: hidden;
}

.anki-frame-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 9px;
  align-items: center;
  min-height: 28px;
  padding: 0 4px 10px;
  color: rgba(16, 21, 18, .7);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .045em;
}

.anki-frame-bar i {
  width: 7px;
  height: 7px;
  background: #5a7867;
  border-radius: 50%;
}

.anki-frame-bar b {
  color: #354a3e;
  font-weight: 850;
}

.anki-frame > img,
.interactive-card-image > img {
  display: block;
  width: 100%;
  height: auto;
  background: #f3f0e9;
  border-radius: 13px;
}

.anki-frame figcaption {
  padding: 12px 4px 1px;
  color: rgba(16, 21, 18, .7);
  font-size: 14px;
  font-weight: 650;
}

.anki-frame figcaption small {
  display: block;
  margin-top: 4px;
  color: rgba(16, 21, 18, .72);
  font-size: 12px;
  font-weight: 620;
  letter-spacing: .025em;
}

.main-card-zoom {
  display: none;
}

.feature-callouts {
  display: grid;
  gap: 0;
  border-top: 2px solid var(--ink);
}

.feature-callouts article {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 17px;
  padding: 27px 2px;
  border-bottom: 1px solid var(--line);
}

.feature-callouts article > span {
  color: var(--coral-ink);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  font-weight: 850;
}

.feature-callouts article > div {
  min-width: 0;
}

.feature-callouts h3 {
  margin: -3px 0 8px;
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: -.035em;
}

.feature-callouts p {
  margin: 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.75;
  word-break: keep-all;
}

.public-sample-note {
  max-width: none;
  margin: 24px 0 0 auto;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.65;
  text-align: right;
  word-break: keep-all;
}

.public-sample-note span {
  display: block;
}

.main-card-column {
  min-width: 0;
}

.card-audio-guide {
  display: none;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 9px;
  align-items: center;
  margin-bottom: 9px;
  padding: 8px 11px;
  color: var(--night);
  background: rgba(216, 255, 98, .5);
  border: 1px solid rgba(16, 21, 18, .12);
  border-radius: 11px;
}

.guide-pulse {
  width: 8px;
  height: 8px;
  background: #5f8b38;
  border-radius: 50%;
}

.audio-demo-ready .card-audio-guide {
  display: grid;
}

.card-audio-guide > span:nth-child(2) {
  display: grid;
}

.card-audio-guide strong {
  font-size: 14px;
  font-weight: 820;
  line-height: 1.35;
}

.card-audio-guide small {
  margin-top: 1px;
  color: rgba(16, 21, 18, .72);
  font-size: 12px;
  font-weight: 650;
}

.card-audio-guide b {
  font-size: 15px;
  line-height: 1;
}

.interactive-card-image {
  position: relative;
  background: #f3f0e9;
  border-radius: 13px;
  overflow: hidden;
}

.main-card-render > audio {
  display: none;
}

.card-audio-hotspot {
  position: absolute;
  z-index: 2;
  display: none;
  margin: 0;
  padding: 0;
  color: var(--white);
  background: rgba(216, 255, 98, .025);
  border: 1px solid rgba(47, 89, 59, .18);
  border-radius: 12px;
  cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.audio-demo-ready .card-audio-hotspot {
  display: block;
}

.card-audio-hotspot:hover,
.card-audio-hotspot:focus-visible,
.card-audio-hotspot.is-playing {
  background: rgba(216, 255, 98, .09);
  border-color: rgba(47, 89, 59, .72);
  box-shadow: inset 0 0 0 1px rgba(216, 255, 98, .4);
}

.word-audio-hotspot {
  /* card-dasu-answer.webp: center the target on 出す and its reading only. */
  top: 4.589372%;
  left: 37.5%;
  width: 25%;
  height: 8.21256%;
}

.example-audio-hotspot {
  left: 2.1875%;
  width: 95.625%;
  /* card-dasu-answer.webp: 640×1242, each example box is about 112px tall. */
  height: 9.017713%;
}

.example-1-audio-hotspot {
  top: 30.193237%;
}

.example-2-audio-hotspot {
  top: 39.774557%;
}

.example-3-audio-hotspot {
  top: 49.436393%;
}

.hotspot-badge {
  position: absolute;
  display: inline-flex;
  gap: 5px;
  align-items: center;
  padding: 4px 7px 4px 4px;
  color: rgba(255, 255, 255, .9);
  background: rgba(12, 18, 16, .92);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 999px;
  box-shadow: 0 5px 18px rgba(12, 18, 16, .2);
  white-space: nowrap;
}

.word-audio-hotspot .hotspot-badge {
  top: 6px;
  right: auto;
  left: calc(100% + 12px);
}

.example-audio-hotspot .hotspot-badge {
  top: 8px;
  right: 8px;
}

.hotspot-badge .audio-play {
  display: inline-grid;
  place-items: center;
  width: 19px;
  height: 19px;
  padding-left: 1px;
  color: var(--night);
  background: var(--lime);
  border-radius: 50%;
  font-size: 8px;
  font-weight: 900;
}

.hotspot-badge .audio-state {
  font-size: 10px;
  font-weight: 780;
  letter-spacing: -.015em;
}

.card-audio-hotspot.is-playing .audio-play {
  padding-left: 0;
  color: var(--lime);
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--lime);
  animation: none;
}

.card-audio-hotspot.is-playing .audio-state {
  color: var(--lime);
}

.card-feature-callout {
  position: absolute;
  z-index: 1;
  left: 2.1875%;
  width: 95.625%;
  pointer-events: none;
}

.card-feature-label {
  position: absolute;
  top: 7px;
  right: 7px;
  display: inline-flex;
  gap: 6px;
  align-items: center;
  max-width: calc(100% - 14px);
  padding: 5px 8px;
  color: rgba(255, 255, 255, .76);
  background: rgba(12, 18, 16, .92);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 999px;
  box-shadow: 0 5px 18px rgba(12, 18, 16, .18);
  font-size: 12px;
  line-height: 1.25;
  white-space: nowrap;
}

.card-feature-label strong {
  color: var(--lime);
  font-size: 13px;
  font-weight: 850;
}

.card-feature-label small {
  font-size: inherit;
  font-weight: 680;
}

.autoplay-feature-callout {
  /* card-dasu-answer.webp: exact 43×26px settings button at (583, 16). */
  top: 1.288245%;
  left: 91.09375%;
  width: 6.71875%;
  height: 2.093398%;
  border: 2px solid var(--lime);
  border-radius: 9px;
  box-shadow: 0 0 0 5px rgba(216, 255, 98, .15);
}

.autoplay-feature-callout::after {
  position: absolute;
  top: 50%;
  right: 100%;
  width: 10px;
  height: 2px;
  background: var(--lime);
  content: "";
}

.autoplay-feature-callout .card-feature-label {
  top: -3px;
  right: calc(100% + 12px);
  width: max-content;
  max-width: none;
}

.conjugation-feature-callout {
  top: 58.937198%;
  height: 17.552335%;
}

.related-feature-callout {
  top: 77.294686%;
  height: 16.425121%;
}

.kanji-feature-callout {
  top: 22.544283%;
  height: 7.326892%;
}

.kanji-feature-callout .card-feature-label {
  top: 7%;
}

.support-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 48px;
  align-items: stretch;
}

.mini-card-sample {
  display: flex;
  overflow: hidden;
  flex-direction: column;
  min-width: 0;
  margin: 0;
  padding: 10px;
  background: var(--night-2);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(12, 18, 16, .11);
}

.support-register-sample {
  width: 100%;
}

.mini-card-crop {
  position: relative;
  display: block;
  overflow: hidden;
  order: 1;
  width: 100%;
  max-width: none;
  height: auto;
  background: #f3f0e9;
  border-radius: 12px;
  cursor: zoom-in;
  line-height: 0;
}

.mini-card-crop img {
  display: block;
  width: 100%;
  height: auto;
}

.support-zoom-hint {
  position: absolute;
  z-index: 3;
  right: 12px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 11px;
  color: var(--lime);
  background: rgba(12, 18, 16, .9);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
  box-shadow: 0 7px 20px rgba(12, 18, 16, .24);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1;
}

.mini-card-sample figcaption {
  display: grid;
  order: 2;
  flex: 1;
  gap: 8px;
  align-content: center;
  min-height: 0;
  padding: 22px 18px 20px;
  color: rgba(255, 255, 255, .66);
  font-size: 16px;
  line-height: 1.6;
}

.support-feature-name {
  display: flex;
  gap: 9px;
  align-items: center;
  color: var(--lime);
  font-size: 16px;
  font-weight: 820;
  letter-spacing: .02em;
}

.support-feature-name::before {
  width: 24px;
  height: 3px;
  background: var(--lime);
  content: "";
}

.mini-card-sample figcaption h3 {
  display: flex;
  gap: 8px 13px;
  align-items: baseline;
  flex-wrap: wrap;
  margin: 0;
  color: var(--white);
  font-size: clamp(22px, 2vw, 27px);
  line-height: 1.1;
  letter-spacing: -.045em;
}

.mini-card-sample figcaption h3 small {
  color: var(--mint);
  font-size: 15px;
  font-weight: 720;
  letter-spacing: -.015em;
}

.mini-card-sample figcaption p {
  margin: 0;
}

.mini-card-sample figcaption p strong {
  color: rgba(255, 255, 255, .9);
}

.support-focus {
  position: absolute;
  z-index: 2;
  border: 2px solid var(--lime);
  border-radius: 10px;
  box-shadow: 0 0 0 999px rgba(7, 14, 12, .17), 0 0 0 5px rgba(216, 255, 98, .15);
  pointer-events: none;
}

.support-focus-usage {
  top: 54.350927%;
  left: 2.1875%;
  width: 95.625%;
  height: 21.467402%;
}

.support-focus-formation {
  top: 54.558352%;
  left: 2.1875%;
  width: 95.625%;
  height: 26.695652%;
}

.support-focus-register {
  top: 30.554853%;
  left: 54.782715%;
  width: 11.386719%;
  height: 3.384764%;
  border-width: 3px;
  border-radius: 999px;
}

.support-focus-register::after {
  position: absolute;
  top: calc(100% + 7px);
  right: -2px;
  width: max-content;
  padding: 5px 8px;
  color: var(--lime);
  background: rgba(12, 18, 16, .92);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  box-shadow: 0 5px 18px rgba(12, 18, 16, .2);
  content: "‘괜찮다’ 뜻에만";
  font-size: 12px;
  font-weight: 820;
  line-height: 1.2;
  white-space: nowrap;
}

.coverage-block {
  display: grid;
  grid-template-columns: .64fr 1.36fr;
  gap: clamp(40px, 7vw, 90px);
  margin-top: 15px;
  padding: clamp(42px, 6vw, 74px);
  color: var(--white);
  background: var(--night);
  border-radius: 30px;
}


.coverage-heading h3 {
  margin: 0;
  font-size: clamp(32px, 3.5vw, 49px);
  line-height: 1.08;
  letter-spacing: -.055em;
}

.coverage-heading > p:last-child {
  margin: 22px 0 0;
  color: rgba(255, 255, 255, .62);
  font-size: 20px;
}

.coverage-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 30px;
  margin: 0;
}

.coverage-grid div {
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.coverage-grid dt {
  color: rgba(255, 255, 255, .62);
  font-size: 14px;
  font-weight: 760;
}

.coverage-grid dd {
  margin: 4px 0 0;
  color: var(--mint);
  font-size: 29px;
  font-weight: 820;
  line-height: 1.2;
  letter-spacing: -.04em;
}

.coverage-grid small {
  display: inline-block;
  margin-left: 8px;
  color: rgba(255, 255, 255, .58);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0;
}

.kanji-section {
  background: #dfe9dc;
}

.kanji-showcase {
  display: grid;
  grid-template-columns: minmax(380px, .9fr) minmax(360px, 1.1fr);
  gap: clamp(48px, 8vw, 108px);
  align-items: center;
}

.kanji-card-sample {
  background: var(--night-2);
  border-color: rgba(12, 18, 16, .22);
  box-shadow: 0 38px 100px rgba(12, 18, 16, .22);
}

.kanji-card-sample .anki-frame-bar,
.kanji-card-sample figcaption {
  color: rgba(255, 255, 255, .62);
}

.kanji-card-sample .anki-frame-bar i {
  background: var(--lime);
}

.kanji-card-sample .anki-frame-bar b {
  color: var(--lime);
}

.kanji-card-window {
  position: relative;
  display: block;
  overflow: hidden;
  background: #f3f0e9;
  border-radius: 13px;
  cursor: zoom-in;
  line-height: 0;
}

.kanji-card-window img {
  display: block;
  width: 100%;
  height: auto;
}

.sample-zoom-hint {
  position: absolute;
  z-index: 2;
  right: 14px;
  bottom: 14px;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  color: var(--lime);
  background: rgba(12, 18, 16, .9);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(12, 18, 16, .24);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1;
}

.kanji-details {
  min-width: 0;
  border-top: 2px solid var(--ink);
}

.kanji-total {
  display: flex;
  gap: 18px;
  align-items: baseline;
  padding: 0 0 32px;
  border-bottom: 1px solid rgba(16, 21, 18, .2);
}

.kanji-total strong {
  font-size: clamp(58px, 7vw, 92px);
  line-height: .9;
  letter-spacing: -.075em;
}

.kanji-total span {
  color: var(--muted);
  font-size: 16px;
  font-weight: 760;
}

.kanji-feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.kanji-feature-list li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  padding: 26px 0;
  border-bottom: 1px solid rgba(16, 21, 18, .16);
}

.kanji-feature-list li > span {
  color: var(--coral-ink);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  font-weight: 850;
}

.kanji-feature-list h3 {
  margin: -4px 0 7px;
  font-size: 22px;
  line-height: 1.35;
  letter-spacing: -.035em;
}

.kanji-feature-list p {
  margin: 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.75;
  word-break: keep-all;
}

.kanji-build-route {
  margin-top: 28px;
  padding: 22px;
  color: var(--paper);
  background: var(--night-2);
  border-radius: 18px;
}

.kanji-build-route > strong {
  display: block;
  color: var(--lime);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .04em;
}

.kanji-build-route ol {
  display: grid;
  gap: 11px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.kanji-build-route li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  color: rgba(255, 255, 255, .82);
  font-size: 15px;
  font-weight: 720;
}

.kanji-build-route li span {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  color: var(--night);
  background: var(--lime);
  border-radius: 50%;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  font-weight: 900;
}

.curation-section {
  background: var(--paper-2);
}

.pipeline-steps {
  position: relative;
  display: grid;
  gap: 14px;
}

.pipeline-steps::before {
  position: absolute;
  z-index: 0;
  top: 70px;
  bottom: 70px;
  left: 78px;
  width: 2px;
  background: rgba(16, 21, 18, .12);
  content: "";
}

.pipeline-step {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 112px minmax(260px, .82fr) minmax(360px, 1.18fr);
  gap: clamp(28px, 4vw, 62px);
  align-items: start;
  padding: clamp(34px, 5vw, 58px);
  color: var(--ink);
  background: var(--white);
  border: 1px solid rgba(16, 21, 18, .1);
  border-radius: 26px;
}

.pipeline-step-index {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.pipeline-step-index strong {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  color: var(--night);
  background: var(--lime);
  border: 7px solid var(--white);
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(16, 21, 18, .13);
  font-size: 17px;
  line-height: 1;
}

.pipeline-step-copy h3 {
  margin: 3px 0 16px;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.12;
  letter-spacing: -.05em;
  word-break: keep-all;
}

.pipeline-step-copy p {
  margin: 0;
  color: rgba(16, 21, 18, .7);
  font-size: 20px;
  word-break: keep-all;
}

.pipeline-proof {
  min-width: 0;
  padding: 25px;
  color: var(--white);
  background: var(--night-2);
  border-radius: 20px;
}

.pipeline-proof-label {
  display: block;
  margin-bottom: 18px;
}

.pipeline-input-proof dl {
  margin: 0;
}

.pipeline-input-proof dl > div {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.pipeline-input-proof dt {
  color: rgba(255, 255, 255, .5);
  font-size: 13px;
}

.pipeline-input-proof dd {
  margin: 0;
  font-size: 15px;
  font-weight: 720;
}

.pipeline-proof > small {
  display: block;
  margin-top: 17px;
  color: rgba(255, 255, 255, .54);
  font-size: 13px;
  line-height: 1.55;
}

.pipeline-output-proof ul,
.pipeline-gates {
  margin: 0;
  padding: 0;
  list-style: none;
}

.pipeline-output-proof li {
  display: grid;
  grid-template-columns: 124px minmax(0, 1fr);
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.pipeline-output-proof li:last-child,
.pipeline-input-proof dl > div:last-child,
.pipeline-gates li:last-child {
  border-bottom: 0;
}

.pipeline-output-proof strong {
  color: var(--lime);
  font-size: 15px;
}

.pipeline-output-proof li > span {
  color: rgba(255, 255, 255, .77);
  font-size: 15px;
}

.pipeline-gates li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  gap: 11px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  font-size: 14px;
}

.pipeline-gates b {
  color: rgba(255, 255, 255, .38);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
}

.pipeline-gates i {
  padding: 4px 7px;
  color: var(--night);
  background: var(--mint);
  border-radius: 999px;
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
  letter-spacing: .05em;
}

.pipeline-release-proof > div {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.pipeline-release-proof > div span {
  padding: 7px 10px;
  color: rgba(255, 255, 255, .78);
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 720;
}

.pipeline-release-proof > div b {
  color: rgba(255, 255, 255, .35);
}

.priority-panel {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: clamp(50px, 8vw, 110px);
  align-items: center;
  margin-top: 14px;
  padding: clamp(42px, 6vw, 74px);
  color: var(--white);
  background: var(--night-2);
  border-radius: 26px;
}


.priority-copy h3 {
  margin: 13px 0 0;
  font-size: clamp(31px, 3.5vw, 48px);
  line-height: 1.1;
  letter-spacing: -.05em;
}

.priority-copy > p:last-of-type {
  margin: 21px 0 0;
  color: rgba(255, 255, 255, .62);
  font-size: 20px;
}

.priority-sequence {
  display: grid;
  gap: 7px;
  margin-top: 25px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 12px;
}

.priority-sequence span {
  color: var(--mint);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.priority-sequence strong {
  color: var(--white);
  font-size: 18px;
  font-weight: 780;
  line-height: 1.4;
}

.priority-chart {
  min-width: 0;
}

.priority-total {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 17px;
  color: rgba(255, 255, 255, .62);
  font-size: 14px;
  font-weight: 750;
}

.priority-total strong {
  color: var(--white);
  font-size: 46px;
  line-height: 1;
  letter-spacing: -.06em;
}

.priority-bar {
  display: flex;
  width: 100%;
  height: 22px;
  overflow: hidden;
  background: rgba(255, 255, 255, .08);
  border-radius: 99px;
}

.priority-bar > i {
  width: var(--share);
  height: 100%;
}

.priority-bar .essential { background: var(--lime); }
.priority-bar .standard { background: var(--mint); }
.priority-bar .extended { background: var(--coral); }

.priority-chart dl {
  margin: 21px 0 0;
}

.priority-chart dl > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.priority-chart dt {
  display: flex;
  gap: 9px;
  align-items: center;
  color: rgba(255, 255, 255, .57);
  font-size: 15px;
}

.priority-chart dt i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.legend-essential { background: var(--lime); }
.legend-standard { background: var(--mint); }
.legend-extended { background: var(--coral); }

.priority-chart dd {
  margin: 0;
  font-size: 20px;
  font-weight: 780;
}

.practice-section {
  color: var(--white);
  background: var(--night);
}

.practice-section .section-heading h2 {
  color: var(--white);
}

.practice-section .section-heading > p:last-child {
  color: rgba(255, 255, 255, .62);
}

.practice-carousel-heading {
  display: flex;
  gap: 30px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 28px;
}

.practice-carousel-heading > div:first-child > span {
  color: var(--lime);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .12em;
}

.practice-carousel-heading h3 {
  margin: 9px 0 0;
  color: var(--white);
  font-size: clamp(29px, 3.2vw, 43px);
  line-height: 1.12;
  letter-spacing: -.045em;
}

.carousel-controls {
  display: flex;
  flex: 0 0 auto;
  gap: 9px;
}

.carousel-control {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  padding: 0;
  color: var(--night);
  background: var(--lime);
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  transition: color .2s ease, background-color .2s ease, opacity .2s ease, transform .2s ease;
}

.carousel-control:not(:disabled):hover {
  background: var(--mint);
  transform: translateY(-2px);
}

.carousel-control:disabled {
  color: rgba(255, 255, 255, .38);
  background: rgba(255, 255, 255, .08);
  cursor: default;
}

.practice-carousel {
  display: grid;
  grid-auto-columns: 47%;
  grid-auto-flow: column;
  column-gap: 24px;
  align-items: start;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 8px 4px 28px;
  overscroll-behavior-x: contain;
  scroll-padding-inline: 4px;
  scroll-snap-type: x mandatory;
  scrollbar-color: rgba(216, 255, 98, .48) rgba(255, 255, 255, .08);
  scrollbar-width: thin;
}

.practice-carousel:focus-visible {
  border-radius: 24px;
  outline-offset: 5px;
}

.practice-slide {
  position: relative;
  align-self: start;
  min-width: 0;
  border-radius: 24px;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.practice-card-face {
  display: block;
  background: #202a26;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 24px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, .22);
  overflow: hidden;
}

.practice-card-face > header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
  min-height: 154px;
  padding: 24px 25px 22px;
}

.practice-card-face > header > span {
  padding-top: 5px;
  color: var(--coral);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .04em;
}

.practice-slide h4 {
  margin: 0;
  color: var(--white);
  font-size: 25px;
  line-height: 1.3;
  letter-spacing: -.035em;
}

.practice-slide header p {
  margin: 5px 0 0;
  color: rgba(255, 255, 255, .56);
  font-size: 16px;
  line-height: 1.55;
  word-break: keep-all;
}

.practice-slide header strong {
  color: var(--lime);
  font-size: 22px;
  line-height: 1.3;
}

.practice-card-face figure {
  margin: 0;
  padding: 0 12px 12px;
}

.practice-card-face figure img {
  display: block;
  width: 100%;
  height: auto;
  background: #f3f0e9;
  border-radius: 14px 14px 0 0;
}

.practice-flip-card {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
  width: 100%;
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: 24px;
  cursor: pointer;
}

.practice-flip-card:focus-visible {
  outline: 0;
}

.practice-card-inner {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  pointer-events: none;
}

.practice-slide:focus-within .practice-card-face {
  outline: 4px solid var(--lime);
  outline-offset: -4px;
}

.practice-card-face[hidden],
.practice-answer-link[hidden] {
  display: none;
}

.practice-slide.is-flip-ready {
  height: var(--practice-card-height);
  perspective: 1400px;
  transition: height .62s cubic-bezier(.2, .72, .2, 1);
}

.practice-slide.is-flip-ready .practice-card-inner {
  position: relative;
  height: 100%;
  transform: rotateY(0deg);
  transform-style: preserve-3d;
  transition: transform .62s cubic-bezier(.2, .72, .2, 1);
}

.practice-slide.is-flip-ready .practice-card-face {
  position: absolute;
  inset: 0 0 auto;
  width: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.practice-slide.is-flip-ready .practice-card-back {
  transform: rotateY(-180deg);
}

.practice-slide.is-flip-ready.is-flipped .practice-card-inner {
  transform: rotateY(-180deg);
}

.practice-flip-prompt {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 15px 13px;
  color: var(--night);
  background: #e8e3d7;
  border-top: 1px solid rgba(16, 21, 18, .12);
  line-height: 1.25;
}

.practice-flip-prompt strong {
  color: var(--coral-ink);
  font-size: 14px;
  font-weight: 850;
}

.practice-flip-prompt small {
  color: #414a45;
  font-size: 12px;
  font-weight: 720;
}

.practice-flip-prompt-back strong {
  color: #315442;
}

.practice-slide.is-flipped .practice-card-back {
  border-color: rgba(255, 135, 112, .72);
  box-shadow: 0 28px 80px rgba(0, 0, 0, .28), 0 0 0 1px rgba(255, 135, 112, .18);
}

.practice-card-face figcaption {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 11px;
  align-items: center;
  padding: 12px 15px;
  color: rgba(16, 21, 18, .68);
  background: #f3f0e9;
  border-radius: 0 0 14px 14px;
  font-size: 14px;
  font-weight: 720;
}

.practice-flip-state {
  padding: 3px 8px;
  color: #315442;
  background: rgba(142, 230, 177, .28);
  border: 1px solid rgba(49, 84, 66, .16);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 850;
}

.practice-slide.is-flipped .practice-flip-state {
  color: #7a3125;
  background: rgba(255, 135, 112, .22);
  border-color: rgba(122, 49, 37, .14);
}

.practice-answer-link {
  margin-left: auto;
  color: var(--coral-ink);
  font-size: 12px;
  font-weight: 820;
  pointer-events: auto;
  text-decoration: none;
}

.practice-answer-link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.carousel-hint {
  display: flex;
  gap: 9px;
  align-items: center;
  margin: 10px 0 0;
  color: rgba(255, 255, 255, .52);
  font-size: 15px;
  font-weight: 680;
}

.carousel-hint span {
  color: var(--lime);
  font-size: 19px;
}

.practice-summary {
  display: grid;
  grid-template-columns: .45fr 1.55fr;
  gap: clamp(40px, 7vw, 90px);
  align-items: start;
  margin-top: 58px;
  padding-top: 42px;
  border-top: 1px solid rgba(255, 255, 255, .13);
}

.practice-summary > strong {
  color: var(--lime);
  font-size: clamp(58px, 8vw, 104px);
  line-height: .9;
  letter-spacing: -.075em;
}

.practice-summary h3 {
  margin: 0;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.14;
  letter-spacing: -.045em;
}

.practice-summary p {
  max-width: 720px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, .62);
}

.question-types {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 23px;
}

.question-types span {
  padding: 6px 11px;
  color: var(--mint);
  border: 1px solid rgba(142, 230, 177, .3);
  border-radius: 99px;
  font-size: 14px;
  font-weight: 750;
}

.supplemental-practice {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, .58);
  font-size: 20px;
}

.reference-section {
  background: var(--paper-2);
}

.reference-showcase {
  display: grid;
  grid-template-columns: minmax(420px, 1.05fr) minmax(340px, .95fr);
  gap: clamp(50px, 8vw, 110px);
  align-items: center;
}

.reference-card-sample {
  min-width: 0;
  margin: 0;
  padding: 14px;
  color: rgba(255, 255, 255, .62);
  background: var(--night-2);
  border-radius: 24px;
  box-shadow: 0 38px 100px rgba(12, 18, 16, .2);
}

.reference-preview-card {
  min-height: 630px;
  padding: clamp(27px, 4vw, 46px);
  color: var(--ink);
  background: #f3f0e9;
  border-radius: 14px;
}

.reference-preview-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 19px;
  border-bottom: 2px solid var(--ink);
}

.reference-preview-top span {
  display: inline-grid;
  place-items: center;
  width: 47px;
  height: 47px;
  color: var(--night);
  background: var(--lime);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 900;
}

.reference-preview-top small {
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.reference-preview-card > h3 {
  margin: 27px 0 0;
  font-size: clamp(31px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: -.055em;
}

.reference-preview-card > p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}

.reference-preview-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
  margin-top: 31px;
}

.reference-preview-groups section {
  padding: 17px 18px;
  background: rgba(255, 255, 255, .58);
  border: 1px solid rgba(16, 21, 18, .1);
  border-radius: 14px;
}

.reference-preview-groups section:last-child {
  grid-column: 1 / -1;
}

.reference-preview-groups h4 {
  margin: 0 0 8px;
  color: var(--coral-ink);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .04em;
}

.reference-preview-groups dl {
  margin: 0;
}

.reference-preview-groups section:last-child dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.reference-preview-groups dl div {
  display: flex;
  gap: 10px;
  align-items: baseline;
  justify-content: space-between;
  padding: 7px 0;
  border-bottom: 1px solid rgba(16, 21, 18, .09);
}

.reference-preview-groups dl div:last-child {
  border-bottom: 0;
}

.reference-preview-groups dt {
  font-family: ui-serif, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 17px;
  font-weight: 850;
}

.reference-preview-groups dd {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 720;
}

.reference-card-sample figcaption {
  padding: 13px 5px 2px;
  font-size: 14px;
  font-weight: 650;
}

.reference-details {
  min-width: 0;
  border-top: 2px solid var(--ink);
}

.reference-total {
  display: flex;
  gap: 18px;
  align-items: baseline;
  padding: 0 0 32px;
  border-bottom: 1px solid var(--line);
}

.reference-total strong {
  font-size: clamp(68px, 8vw, 110px);
  line-height: .82;
  letter-spacing: -.08em;
}

.reference-total span {
  color: var(--muted);
  font-size: 16px;
  font-weight: 760;
}

.reference-details article {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 16px;
  padding: 29px 0;
  border-bottom: 1px solid var(--line);
}

.reference-details article > span {
  color: var(--coral-ink);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  font-weight: 850;
}

.reference-details h3 {
  margin: -5px 0 8px;
  font-size: 24px;
  line-height: 1.3;
  letter-spacing: -.04em;
}

.reference-details p {
  margin: 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.75;
  word-break: keep-all;
}

.reference-unit-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}

.reference-unit-list span {
  padding: 6px 11px;
  color: #315442;
  background: rgba(142, 230, 177, .22);
  border: 1px solid rgba(49, 84, 66, .2);
  border-radius: 999px;
  font-family: ui-serif, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 16px;
  font-weight: 760;
}

.deck-map-section {
  background: var(--paper);
}

.signal-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  color: var(--ink);
  background: var(--lime);
}

.signal-bar div {
  display: flex;
  gap: 15px;
  align-items: baseline;
  justify-content: center;
  padding: 27px 18px;
  border-right: 1px solid rgba(16, 21, 18, .13);
}

.signal-bar div:last-child {
  border-right: 0;
}

.signal-bar strong {
  font-size: 24px;
  line-height: 1;
}

.signal-bar span {
  color: rgba(16, 21, 18, .7);
  font-size: 14px;
  font-weight: 760;
  letter-spacing: .055em;
  text-transform: uppercase;
}

.meaning-focus {
  color: var(--white);
  background: var(--night-2);
}

.meaning-focus-layout {
  display: grid;
  grid-template-columns: minmax(270px, .68fr) minmax(620px, 1.32fr);
  gap: clamp(50px, 7vw, 96px);
  align-items: start;
}

.meaning-focus-copy > span {
  color: var(--mint);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .1em;
}

.meaning-focus-copy h2 {
  margin: 18px 0 0;
  font-size: clamp(43px, 5vw, 72px);
  line-height: 1.08;
  letter-spacing: -.06em;
  word-break: keep-all;
}

.meaning-focus-copy p {
  margin: 26px 0 0;
  color: rgba(255, 255, 255, .66);
  font-size: 18px;
  line-height: 1.75;
  word-break: keep-all;
}

.meaning-focus-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.meaning-focus-list li {
  display: flex;
  min-width: 0;
  min-height: 360px;
  padding: 26px 24px;
  flex-direction: column;
  background: rgba(255, 255, 255, .055);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 22px;
}

.meaning-focus-list li > b {
  color: var(--lime);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.meaning-focus-sample {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
  margin: 52px 0 24px;
  color: var(--night);
}

.meaning-focus-sample span {
  padding: 6px 10px;
  background: var(--mint);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 820;
}

.meaning-focus-sample i {
  color: rgba(255, 255, 255, .46);
  font-style: normal;
  font-weight: 850;
}

.meaning-focus-senses {
  gap: 5px;
}

.meaning-focus-senses span {
  background: var(--lime);
}

.meaning-focus-merge span:first-child {
  color: rgba(255, 255, 255, .76);
  background: rgba(255, 255, 255, .1);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
}

.meaning-focus-merge span:last-child {
  background: var(--lime);
}

.meaning-focus-pairs {
  flex-direction: column;
  align-items: stretch;
}

.meaning-focus-pairs > div {
  display: grid;
  grid-template-columns: auto 18px 1fr;
  gap: 7px;
  align-items: center;
}

.meaning-focus-pairs > div span:first-child {
  background: var(--lime);
}

.meaning-focus-pairs > div span:last-child {
  text-align: center;
}

.meaning-focus-pairs i {
  text-align: center;
}

.meaning-focus-list h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.35;
  letter-spacing: -.035em;
  word-break: keep-all;
}

.meaning-focus-list p {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, .58);
  font-size: 16px;
  line-height: 1.7;
  word-break: keep-all;
}

.quality-summary {
  display: grid;
  grid-template-columns: minmax(300px, .78fr) minmax(480px, 1.22fr);
  gap: clamp(52px, 8vw, 110px);
  align-items: center;
  padding: clamp(76px, 9vw, 118px) max(24px, calc((100vw - 1240px) / 2));
  color: var(--white);
  background: var(--night-2);
}

.quality-summary-copy > span,
.pipeline-step-index span,
.pipeline-proof-label,
.priority-eyebrow {
  color: var(--mint);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .1em;
}

.quality-summary-copy h2 {
  margin: 18px 0 0;
  font-size: clamp(36px, 4.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -.055em;
  word-break: keep-all;
}

.quality-summary-copy > p {
  max-width: 560px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, .66);
  font-size: 18px;
  line-height: 1.75;
  word-break: keep-all;
}

.quality-summary-copy a {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  margin-top: 30px;
  padding-bottom: 4px;
  color: rgba(255, 255, 255, .72);
  border-bottom: 1px solid rgba(255, 255, 255, .34);
  font-size: 16px;
  font-weight: 750;
}

.quality-summary-copy a b {
  color: var(--lime);
}

.quality-summary-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 22px;
}

.quality-summary-facts > div {
  display: flex;
  min-height: 164px;
  padding: 26px 22px;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid rgba(255, 255, 255, .12);
}

.quality-summary-facts > div:last-child {
  border-right: 0;
}

.quality-summary-facts b {
  color: var(--lime);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.quality-summary-facts strong {
  margin-top: 14px;
  font-size: 18px;
  line-height: 1.45;
}

.quality-summary-facts small {
  margin-top: 8px;
  color: rgba(255, 255, 255, .58);
  font-size: 14px;
  line-height: 1.65;
  word-break: keep-all;
}

.section {
  padding: clamp(100px, 12vw, 170px) max(24px, calc((100vw - 1240px) / 2));
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(280px, .9fr) minmax(280px, .65fr);
  gap: 80px;
  align-items: end;
  margin-bottom: 70px;
}


.section-heading h2,
.start-copy h2,
.closing h2 {
  margin: 0;
  font-size: clamp(43px, 5vw, 72px);
  font-weight: 820;
  line-height: 1.08;
  letter-spacing: -.06em;
  word-break: keep-all;
}

.section-heading > p:last-child,
.start-copy > p {
  margin: 0;
  color: var(--muted);
  word-break: keep-all;
}

.section-heading.compact {
  display: block;
  max-width: 780px;
}


.section-heading.compact h2 + p {
  max-width: 680px;
  margin-top: 24px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.basic-content-grid {
  grid-template-columns: repeat(3, 1fr);
}

.content-card {
  position: relative;
  min-height: 460px;
  padding: 27px;
  color: var(--white);
  background: var(--night-2);
  border-radius: 24px;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}

.content-card:hover {
  z-index: 2;
  box-shadow: var(--shadow);
  transform: translateY(-7px);
}

.content-card::after {
  position: absolute;
  right: -32px;
  bottom: -36px;
  width: 150px;
  height: 150px;
  content: "";
  background: var(--card-accent);
  border-radius: 50%;
  filter: blur(3px);
  opacity: .1;
}

.accent-lime { --card-accent: var(--lime); }
.accent-coral { --card-accent: var(--coral); }
.accent-mint { --card-accent: var(--mint); }
.accent-cream { --card-accent: var(--white); }

.card-index {
  display: block;
  color: rgba(255, 255, 255, .58);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
}

.jp-label {
  margin: 65px 0 0;
  color: var(--card-accent);
  font-family: ui-serif, "Yu Mincho", serif;
  font-size: 22px;
  font-weight: 750;
}

.content-card strong {
  display: block;
  margin-top: 2px;
  color: var(--card-accent);
  font-size: 45px;
  line-height: 1.1;
  letter-spacing: -.05em;
}

.content-card h3 {
  margin: 16px 0 6px;
  font-size: 22px;
}

.content-card > p:last-of-type {
  position: relative;
  z-index: 1;
  margin: 0;
  color: rgba(255, 255, 255, .64);
  font-size: 20px;
  line-height: 1.65;
}

.media-ribbon {
  display: flex;
  gap: 22px;
  align-items: center;
  margin-top: 14px;
  padding: 20px 26px;
  color: var(--white);
  background: #29332e;
  border-radius: 18px;
  font-size: 15px;
  font-weight: 750;
  letter-spacing: .04em;
}

.ribbon-track {
  display: flex;
  flex: 1;
  gap: 4px;
  height: 18px;
  align-items: center;
  overflow: hidden;
}

.ribbon-track i {
  display: block;
  width: 100%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--mint) 0 3px, transparent 3px 8px);
  opacity: .7;
}

.ribbon-plus {
  color: rgba(255, 255, 255, .34);
}

.optional-addon-row {
  display: grid;
  grid-template-columns: auto auto minmax(220px, 1fr) auto;
  gap: 18px;
  align-items: center;
  margin-top: 14px;
  padding: 20px 24px;
  color: var(--ink);
  background: #e7f0e3;
  border: 1px solid rgba(47, 89, 59, .18);
  border-radius: 18px;
}

.optional-addon-row > span {
  padding: 6px 9px;
  color: #315a3e;
  background: rgba(142, 230, 177, .24);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
}

.optional-addon-row strong {
  font-size: 18px;
}

.optional-addon-row p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.optional-addon-row a {
  color: #315a3e;
  font-size: 15px;
  font-weight: 850;
  white-space: nowrap;
}

.kanji-actions {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.kanji-actions .text-link {
  justify-self: start;
  margin-top: 0;
  color: #315a3e;
  font-weight: 850;
}

.kanji-guide-cta {
  width: 100%;
  justify-content: space-between;
  border-color: rgba(16, 21, 18, .16);
  box-shadow: 0 16px 42px rgba(70, 96, 46, .18);
}

.kanji-guide-cta:hover {
  box-shadow: 0 20px 50px rgba(70, 96, 46, .26);
}

.start-actions {
  display: flex;
  gap: 18px 28px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 38px;
}

.start-actions .text-link {
  margin-top: 0;
}

.deck-map-section .button-primary {
  border-color: rgba(16, 21, 18, .18);
}

.flow-section {
  color: var(--white);
  background: var(--night-2);
}

.flow-section .section-heading h2 {
  color: var(--white);
}

.flow-section .section-heading > p:last-child {
  color: rgba(255, 255, 255, .62);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 44px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}

.trust-card {
  padding: 35px 28px 12px 0;
  border-right: 1px solid rgba(255, 255, 255, .1);
}

.trust-card:not(:first-child) {
  padding-left: 28px;
}

.trust-card:last-child {
  border-right: 0;
}

.trust-number {
  color: var(--lime);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
}

.trust-card h3 {
  margin: 40px 0 12px;
  font-size: 22px;
}

.trust-card p {
  margin: 0;
  color: rgba(255, 255, 255, .62);
  font-size: 20px;
  line-height: 1.75;
}

.start-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  background: var(--paper);
}

.start-section > * {
  min-width: 0;
}

.start-copy {
  align-self: start;
  max-width: 860px;
}

.start-copy > p {
  max-width: 760px;
  margin-top: 28px;
}

.start-guide-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.start-guide-links .text-link {
  margin-top: 20px;
}

.start-guide-links .text-link:first-child {
  margin-top: 30px;
}

.text-link,
.boundary-links a {
  display: inline-flex;
  gap: 18px;
  align-items: center;
  margin-top: 30px;
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
  font-size: 20px;
  font-weight: 760;
}

.text-link span,
.boundary-links span {
  transition: transform .2s ease;
}

.text-link span {
  color: var(--coral-ink);
}

.boundary-links span {
  color: var(--coral);
}

.text-link:hover span,
.boundary-links a:hover span {
  transform: translateX(4px);
}


.source-section {
  background: var(--paper-2);
}

.source-table {
  border-top: 2px solid var(--ink);
  overflow-x: auto;
}

.source-table:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 4px;
  border-radius: 4px;
  box-shadow: none !important;
}

.source-row {
  display: grid;
  grid-template-columns: .65fr 2.7fr .35fr;
  gap: 20px;
  min-width: 760px;
  padding: 24px 18px;
  border-bottom: 1px solid var(--line);
}

.source-row > :nth-child(3) {
  text-align: right;
}

.source-row > span {
  color: var(--muted);
}

.source-head {
  padding-top: 14px;
  padding-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.source-note {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 20px;
}

.source-links {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  margin-left: 8px;
}

.source-links a {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 7px;
  color: var(--ink);
  border: 1px solid rgba(16, 21, 18, .18);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 760;
  line-height: 1.25;
}

.source-links a::after {
  margin-left: 3px;
  content: "↗";
}

.source-links a:hover {
  color: #315a3e;
  border-color: #315a3e;
}

.boundary-section {
  color: var(--white);
  background: #171e1b;
}

.boundary-section .section-heading h2 {
  color: var(--white);
}

.boundary-section .section-heading > p:last-child {
  color: rgba(255, 255, 255, 0.64);
}

.boundary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.boundary-card {
  display: flex;
  flex-direction: column;
  min-height: 450px;
  padding: 31px;
  color: var(--ink);
  background: var(--lime);
  border-radius: 24px;
}

.boundary-card.bundle {
  background: var(--mint);
}

.boundary-card.private {
  background: var(--coral);
}

.boundary-card > span {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
}

.boundary-card h3 {
  margin: 100px 0 14px;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -.04em;
}

.boundary-card p {
  margin: 0;
  color: rgba(16, 21, 18, .72);
  font-size: 20px;
  line-height: 1.75;
}

.boundary-card i {
  margin-top: auto;
  padding-top: 28px;
  border-top: 1px solid rgba(16, 21, 18, .2);
  font-size: 13px;
  font-style: normal;
  font-weight: 850;
  letter-spacing: .12em;
}

.boundary-note {
  max-width: 900px;
  margin: 42px 0 0;
  color: rgba(255, 255, 255, .64);
  font-size: 20px;
}

.boundary-links {
  display: flex;
  flex-wrap: wrap;
  gap: 34px;
}

.boundary-links a {
  color: var(--white);
}

.faq-section {
  background: var(--paper);
}

.faq-list {
  border-top: 2px solid var(--ink);
}

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

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 4px;
  cursor: pointer;
  font-size: 22px;
  font-weight: 720;
  list-style: none;
}

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

.faq-list summary span {
  display: grid;
  place-items: center;
  min-width: 32px;
  height: 32px;
  margin-left: 20px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-weight: 400;
  transition: transform .2s ease, background-color .2s ease;
}

.faq-list details[open] summary span {
  background: var(--lime);
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 820px;
  margin: -6px 0 28px;
  padding: 0 4px;
  color: var(--muted);
}

.faq-list details p a {
  color: var(--ink);
  font-weight: 760;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

.faq-list details p a:hover {
  color: #315a3e;
  text-decoration-thickness: 2px;
}

.closing {
  position: relative;
  min-height: 620px;
  padding: 130px max(24px, calc((100vw - 1240px) / 2));
  color: var(--night);
  background: var(--lime);
  overflow: hidden;
  isolation: isolate;
}

.closing-kanji {
  position: absolute;
  z-index: -1;
  right: 4vw;
  bottom: -19vw;
  color: rgba(16, 21, 18, .07);
  font-family: ui-serif, "Yu Mincho", serif;
  font-size: min(65vw, 840px);
  font-weight: 900;
  line-height: 1;
}

.closing-copy {
  max-width: 790px;
}


.closing h2 {
  font-size: clamp(54px, 7.5vw, 102px);
}

.closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 50px;
}

.closing .button-primary {
  color: var(--white);
  background: var(--night);
  box-shadow: 0 18px 45px rgba(16, 21, 18, .2);
}

.closing .button-star {
  color: var(--night);
  background: rgba(255, 255, 255, .75);
  border-color: rgba(16, 21, 18, .18);
  box-shadow: 0 14px 36px rgba(16, 21, 18, .12);
}

.closing .button-star:hover {
  background: var(--white);
  box-shadow: 0 18px 45px rgba(16, 21, 18, .17);
}

.closing .button-download-icon {
  background: rgba(255, 255, 255, .12);
}

footer {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 50px;
  align-items: center;
  padding: 70px max(24px, calc((100vw - 1240px) / 2));
  color: rgba(255, 255, 255, .64);
  background: var(--night);
  font-size: 20px;
}

.footer-brand {
  grid-row: 1 / span 3;
  color: var(--white);
}

footer p {
  margin: 0;
}

footer .legal {
  color: rgba(255, 255, 255, .58);
}

footer .disclaimer {
  color: rgba(255, 255, 255, .58);
}

.motion-ready .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .65s ease, transform .65s cubic-bezier(.2, .7, .2, 1);
}

.motion-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@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;
  }

  .hero {
    grid-template-columns: 1fr .72fr;
    gap: 40px;
  }

  .hero-card-sample {
    min-width: 340px;
  }

  .meaning-focus-layout {
    grid-template-columns: 1fr;
  }

  .anatomy-layout {
    gap: 45px;
  }

  .coverage-block,
  .priority-panel {
    gap: 44px;
  }

  .pipeline-step {
    grid-template-columns: 88px minmax(0, 1fr);
  }

  .pipeline-steps::before {
    left: 70px;
  }

  .pipeline-proof {
    grid-column: 2;
  }

  .kanji-showcase,
  .reference-showcase {
    gap: 44px;
  }

  .practice-carousel {
    grid-auto-columns: 56%;
  }

  .content-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .optional-addon-row {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .optional-addon-row p,
  .optional-addon-row a {
    grid-column: 1 / -1;
  }

  .content-card {
    min-height: 420px;
  }

  .jp-label {
    margin-top: 35px;
  }





  .boundary-card h3 {
    margin-top: 60px;
  }
}

@media (max-width: 900px) {
  .kanji-showcase,
  .reference-showcase {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .kanji-card-sample,
  .reference-card-sample {
    justify-self: center;
    width: min(100%, 666px);
  }
}

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

  body {
    font-size: 18px;
    line-height: 1.65;
  }

  .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;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 164px;
    padding-bottom: 84px;
  }

  .hero h1 {
    font-size: clamp(44px, 8vw, 52px);
  }

  .brand {
    font-size: 18px;
  }

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

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

  .brand-mark-max {
    font-size: 19px;
  }

  .nav-action {
    min-height: 44px;
    padding: 0 12px;
    font-size: 15px;
  }

  .button {
    min-height: 58px;
    font-size: 18px;
  }

  .microcopy {
    font-size: 16px;
  }

  .desktop-label {
    display: none;
  }

  .mobile-label {
    display: inline;
  }

  .hero-card-sample {
    width: min(440px, calc(100% - 22px));
    min-width: 0;
    margin: 28px auto 0;
  }

  .hero-card-sample {
    width: min(560px, calc(100% - 8px));
  }

  .hero-card-window {
    height: 540px;
    min-height: 0;
  }

  .signal-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .signal-bar div:nth-child(2) {
    border-right: 0;
  }

  .signal-bar div:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(16, 21, 18, .13);
  }

  .quality-summary {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .meaning-focus-list {
    grid-template-columns: 1fr;
  }

  .meaning-focus-list li {
    min-height: 0;
  }

  .meaning-focus-sample {
    margin-top: 34px;
  }

  .section-heading {
    display: block;
  }



  .section-heading h2 + p {
    margin-top: 24px;
  }

  .section {
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .section-heading {
    margin-bottom: 56px;
  }

  .section-heading h2,
  .start-copy h2,
  .closing h2 {
    font-size: clamp(40px, 5vw, 43px);
  }

  .feature-callouts p,
  .mini-card-sample figcaption,
  .support-feature-name,
  .mini-card-sample figcaption h3 small,
  .coverage-heading > p:last-child,
  .kanji-feature-list p,
  .pipeline-step-copy p,
  .priority-copy > p:last-of-type,
  .supplemental-practice,
  .reference-details p,
  .content-card > p:last-of-type,
  .trust-card p,
  .text-link,
  .boundary-links a,
  .source-note,
  .boundary-card p,
  .boundary-note,
  footer {
    font-size: 18px;
  }

  .public-sample-note {
    font-size: 16px;
  }

  .anatomy-layout,
  .coverage-block,
  .priority-panel,
  .practice-summary {
    grid-template-columns: 1fr;
  }

  .coverage-block {
    gap: 35px;
  }

  .priority-panel {
    gap: 55px;
  }

  .practice-carousel {
    grid-auto-columns: 76%;
  }

  .practice-summary {
    gap: 28px;
  }

  .boundary-grid {
    grid-template-columns: 1fr;
  }

  .trust-grid {
    grid-template-columns: 1fr;
  }

  .trust-card,
  .trust-card:not(:first-child) {
    padding: 30px 0;
    border-right: 0;
    border-top: 1px solid rgba(255, 255, 255, .1);
  }

  .trust-card h3 {
    margin-top: 22px;
  }

  .boundary-card {
    min-height: 400px;
  }



  .closing {
    min-height: 540px;
    padding-top: 108px;
    padding-bottom: 108px;
  }

  .closing h2 {
    font-size: clamp(46px, 8vw, 64px);
  }

  .closing-actions {
    margin-top: 38px;
  }

  footer {
    grid-template-columns: 1fr;
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .footer-brand {
    grid-row: auto;
    margin-bottom: 20px;
  }
}

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

  body {
    font-size: 17px;
    line-height: 1.65;
  }

  .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;
    scroll-snap-type: none;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .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;
  }

  .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;
  }

  .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) !important;
  }

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

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

  .hero {
    gap: 42px;
    padding: 156px 20px 72px;
  }

  .hero h1 {
    font-size: clamp(40px, 8vw, 48px);
    line-height: 1.04;
    letter-spacing: -.065em;
  }

  .hero-lead {
    margin-top: 24px;
    font-size: 18px;
    line-height: 1.65;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
    margin-top: 32px;
  }

  .button {
    width: 100%;
    min-height: 52px;
    gap: 10px;
    padding: 0 18px;
    font-size: 16px;
  }

  .microcopy {
    margin-top: 14px;
    font-size: 14px;
    line-height: 1.55;
  }





  .hero-card-sample {
    width: 100%;
    margin-top: 0;
    padding: 12px;
    border-radius: 24px;
    transform: none;
  }

  .hero-card-window {
    height: clamp(390px, 120vw, 480px);
    border-radius: 14px;
  }

  .sample-topline {
    padding-bottom: 11px;
    font-size: 11px;
  }







  .signal-bar div {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    padding: 19px 16px;
  }

  .signal-bar strong {
    font-size: 22px;
  }

  .signal-bar span {
    font-size: 12px;
  }

  .quality-summary {
    gap: 36px;
    padding: 64px 20px;
  }

  .quality-summary-copy h2 {
    font-size: 36px;
  }

  .meaning-focus-copy h2 {
    font-size: 36px;
  }

  .quality-summary-facts {
    grid-template-columns: 1fr;
  }

  .quality-summary-facts > div {
    min-height: 0;
    padding: 22px 20px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
  }

  .quality-summary-facts > div:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 72px 20px;
  }

  .section-heading {
    margin-bottom: 44px;
  }



  .section-heading h2,
  .start-copy h2,
  .closing h2 {
    font-size: clamp(34px, 8vw, 40px);
    line-height: 1.1;
    letter-spacing: -.05em;
  }

  .section-heading h2 + p,
  .section-heading.compact h2 + p {
    margin-top: 18px;
  }

  .feature-callouts p,
  .mini-card-sample figcaption,
  .support-feature-name,
  .mini-card-sample figcaption h3 small,
  .coverage-heading > p:last-child,
  .kanji-feature-list p,
  .pipeline-step-copy p,
  .priority-copy > p:last-of-type,
  .supplemental-practice,
  .reference-details p,
  .content-card > p:last-of-type,
  .trust-card p,
  .text-link,
  .boundary-links a,
  .source-note,
  .boundary-card p,
  .boundary-note {
    font-size: 17px;
    line-height: 1.65;
  }

  .public-sample-note {
    margin-top: 18px;
    font-size: 14px;
    line-height: 1.6;
    text-align: left;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .optional-addon-row {
    grid-template-columns: 1fr;
    gap: 10px;
    align-items: start;
  }

  .optional-addon-row p {
    grid-column: auto;
  }

  .optional-addon-row a {
    grid-column: auto;
  }

  .anatomy-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .anki-frame {
    margin-inline: -7px;
    padding: 9px;
    border-radius: 17px;
  }

  .main-card-render figcaption {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    padding-top: 10px;
  }

  .main-card-render figcaption > span {
    min-width: 0;
  }

  .main-card-zoom {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 11px;
    color: var(--ink);
    border: 1px solid rgba(16, 21, 18, .2);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
  }

  .feature-callouts article {
    grid-template-columns: 34px 1fr;
    gap: 11px;
    padding: 22px 2px;
  }

  .feature-callouts h3 {
    font-size: 20px;
  }

  .support-card-grid {
    grid-template-columns: none;
    grid-auto-columns: 88%;
    grid-auto-flow: column;
    gap: 14px;
    margin: 48px -20px 0;
    padding: 4px 20px 18px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-padding-inline: 20px;
    scroll-snap-type: x mandatory;
    scrollbar-color: rgba(16, 21, 18, .3) rgba(16, 21, 18, .08);
    scrollbar-width: thin;
  }

  .support-card-grid:focus-visible {
    outline: 3px solid var(--ink);
    outline-offset: -6px;
    border-radius: 20px;
    box-shadow: none !important;
  }

  .source-table {
    overflow-x: visible;
  }

  .source-head {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
  }

  .source-row {
    grid-template-columns: 1fr auto;
    gap: 10px 16px;
    min-width: 0;
    padding: 22px 4px;
  }

  .source-row > strong {
    grid-row: 1;
    grid-column: 1;
  }

  .source-row > span {
    grid-row: 2;
    grid-column: 1 / -1;
  }

  .source-row > :nth-child(3) {
    grid-row: 1;
    grid-column: 2;
  }

  .source-links {
    display: flex;
    margin: 9px 0 0;
  }















  .mini-card-sample,
  .support-register-sample {
    width: 100%;
    scroll-snap-align: start;
    scroll-snap-stop: always;
  }

  .mini-card-sample figcaption {
    min-height: 0;
    padding: 24px 18px 20px;
  }

  .support-feature-name {
    font-size: 16px;
  }

  .mini-card-sample figcaption h3 {
    font-size: 25px;
  }

  .mini-card-sample figcaption h3 small {
    font-size: 16px;
  }

  .support-zoom-hint {
    min-height: 44px;
    font-size: 14px;
  }

  .coverage-block,
  .priority-panel {
    margin-inline: -8px;
    padding: 28px 20px;
    border-radius: 22px;
  }

  .coverage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 18px;
  }

  .coverage-heading h3 {
    font-size: 30px;
  }

  .coverage-heading > p:last-child {
    margin-top: 16px;
    font-size: 16px;
  }

  .coverage-grid div {
    padding: 16px 0;
  }

  .coverage-grid dt {
    font-size: 13px;
  }

  .coverage-grid dd {
    font-size: 26px;
  }

  .coverage-grid small {
    display: block;
    margin: 3px 0 0;
    font-size: 12px;
  }

  .pipeline-steps::before {
    display: none;
  }

  .pipeline-step {
    display: block;
    padding: 26px 24px;
  }

  .pipeline-step-index {
    flex-direction: row;
    justify-content: flex-start;
    margin-bottom: 22px;
  }

  .pipeline-step-index strong {
    width: 45px;
    height: 45px;
    border-width: 5px;
    font-size: 14px;
  }

  .pipeline-step-copy h3 {
    margin-top: 0;
    font-size: 28px;
  }

  .pipeline-proof {
    margin-top: 24px;
    padding: 21px 18px;
  }

  .pipeline-input-proof dl > div,
  .pipeline-output-proof li {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .pipeline-gates li {
    grid-template-columns: 24px minmax(0, 1fr) auto;
    gap: 8px;
  }

  .pipeline-release-proof > div b {
    display: none;
  }

  .priority-total strong {
    font-size: 36px;
  }

  .kanji-total strong {
    font-size: 54px;
  }

  .kanji-showcase,
  .reference-showcase {
    gap: 36px;
  }

  .kanji-total,
  .reference-total {
    gap: 12px;
    padding-bottom: 24px;
  }

  .kanji-feature-list li,
  .reference-details article {
    padding: 22px 0;
  }

  .kanji-feature-list h3,
  .reference-details h3 {
    font-size: 20px;
  }

  .practice-carousel-heading {
    align-items: stretch;
    flex-direction: column;
    gap: 16px;
  }

  .practice-carousel-heading .carousel-controls {
    align-self: flex-end;
  }

  .carousel-control {
    width: 46px;
    height: 46px;
    font-size: 21px;
  }

  .practice-carousel {
    grid-auto-columns: 88%;
    column-gap: 14px;
    margin-inline: -20px;
    padding-inline: 20px;
    scroll-padding-inline: 20px;
  }

  .practice-card-face > header {
    gap: 8px;
    min-height: 128px;
    padding: 18px 16px 16px;
  }

  .practice-slide h4 {
    font-size: 21px;
  }

  .practice-slide header p {
    font-size: 14px;
  }

  .practice-slide header strong {
    font-size: 17px;
  }

  .practice-summary > strong {
    font-size: 54px;
  }

  .practice-summary {
    margin-top: 46px;
    padding-top: 32px;
  }

  .practice-summary h3 {
    font-size: 27px;
  }

  .practice-answer-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }

  .reference-preview-card {
    min-height: 0;
    padding: 24px 20px;
  }

  .reference-preview-groups {
    grid-template-columns: 1fr;
  }

  .reference-preview-groups section:last-child {
    grid-column: auto;
  }

  .reference-preview-groups section:last-child dl {
    display: block;
  }

  .reference-total strong {
    font-size: 60px;
  }

  .kanji-feature-list li,
  .reference-details article {
    grid-template-columns: 43px minmax(0, 1fr);
    gap: 11px;
  }

  .sample-zoom-hint {
    right: 10px;
    bottom: 10px;
    min-height: 44px;
    padding-inline: 12px;
    font-size: 14px;
  }

  .content-card {
    min-height: 0;
    padding: 26px 24px;
  }

  .jp-label {
    margin-top: 32px;
  }

  .content-card strong {
    font-size: 40px;
  }

  .content-card h3 {
    font-size: 20px;
  }

  .media-ribbon {
    flex-wrap: wrap;
    gap: 14px;
    padding: 18px 20px;
    font-size: 14px;
  }

  .ribbon-track {
    flex-basis: 100%;
    order: 3;
  }

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

  .boundary-card {
    min-height: 0;
    padding: 26px 24px;
  }

  .boundary-card h3 {
    margin: 44px 0 12px;
    font-size: 25px;
  }

  .boundary-card i {
    margin-top: 30px;
    padding-top: 22px;
  }

  .trust-card,
  .trust-card:not(:first-child) {
    padding: 24px 0;
  }

  .trust-card h3 {
    margin-top: 18px;
    font-size: 20px;
  }

  .start-section {
    gap: 42px;
  }

  .start-copy > p {
    margin-top: 20px;
  }











  .source-links a,
  .text-link,
  .boundary-links a {
    min-height: 44px;
  }



  .source-row {
    padding: 18px 4px;
  }

  .source-links {
    gap: 8px;
  }

  .source-links a {
    padding: 6px 10px;
  }

  .faq-list summary {
    padding: 22px 4px;
    font-size: 18px;
    line-height: 1.45;
  }

  .faq-list details p {
    margin-bottom: 24px;
  }

  .closing {
    min-height: 460px;
    padding: 88px 20px;
  }

  .closing h2 {
    font-size: clamp(38px, 11vw, 46px);
  }

  .closing-actions {
    align-items: stretch;
    flex-direction: column;
    margin-top: 30px;
  }

  footer {
    gap: 9px;
    padding: 48px 20px;
    font-size: 16px;
    line-height: 1.6;
  }

  footer .legal,
  footer .disclaimer {
    font-size: 14px;
  }
}

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

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }

  .motion-ready .reveal {
    opacity: 1;
    transform: none;
  }

  .practice-slide.is-flip-ready {
    perspective: none;
    transition: none;
  }

  .practice-slide.is-flip-ready .practice-card-inner,
  .practice-slide.is-flip-ready .practice-card-back,
  .practice-slide.is-flip-ready.is-flipped .practice-card-inner {
    transform: none;
    transition: none;
  }

  .practice-slide.is-flip-ready .practice-card-face[aria-hidden="true"] {
    display: none;
  }
}