/* ============================================================================
   japanese.org — marketing surface
   ========================================================================= */

/* ---------- navigation --------------------------------------------------- */

.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background-color .45s var(--ease), border-color .45s, backdrop-filter .45s;
  border-bottom: 1px solid transparent;
}
.nav.stuck {
  background: color-mix(in srgb, var(--washi) 82%, transparent);
  backdrop-filter: saturate(1.7) blur(18px);
  -webkit-backdrop-filter: saturate(1.7) blur(18px);
  border-bottom-color: var(--hairline);
}
.nav__in {
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem;
}
.brand { display: flex; align-items: center; gap: .7rem; }
.brand__mark {
  width: 30px; height: 30px; border-radius: 4px;
  background: var(--shu); color: #fff;
  display: grid; place-items: center;
  font-family: var(--mincho); font-size: .95rem; line-height: 1;
  box-shadow: 0 2px 9px color-mix(in srgb, var(--shu) 34%, transparent);
  transition: transform .5s var(--ease-out);
}
.brand:hover .brand__mark { transform: rotate(-6deg) scale(1.06); }
.brand__word {
  font-family: var(--serif); font-size: 1.06rem;
  letter-spacing: -.02em; color: var(--sumi);
}
.brand__word span { color: var(--ink-faint); }

.nav__links { display: flex; align-items: center; gap: 1.85rem; }
.nav__links a {
  font-family: var(--sans); font-size: .84rem; font-weight: 480;
  color: var(--ink-soft); position: relative; padding-block: .3rem;
  transition: color .25s;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1px; background: var(--shu);
  transition: right .38s var(--ease-out);
}
.nav__links a:hover { color: var(--sumi); }
.nav__links a:hover::after { right: 0; }

/* Below the breakpoint the links move into a drop panel.
   Specificity is doubled up so this beats .icon-btn's own display. */
.icon-btn.nav__burger { display: none; }
.nav__panel {
  border-top: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--washi) 96%, transparent);
  backdrop-filter: saturate(1.7) blur(18px);
  -webkit-backdrop-filter: saturate(1.7) blur(18px);
  padding: .5rem clamp(1.25rem, 4vw, 2.5rem) 1.1rem;
  display: grid;
}
/* An author `display` beats the UA rule for [hidden], so restate it. */
.nav__panel[hidden] { display: none; }
.nav__panel a {
  font-family: var(--sans); font-size: .92rem; color: var(--ink-soft);
  padding: .72rem 0; border-bottom: 1px solid var(--hairline-2);
}
.nav__panel a:last-child { border-bottom: 0; }
.nav__panel a:active { color: var(--shu); }

@media (max-width: 950px) {
  .nav__links { display: none; }
  .icon-btn.nav__burger { display: grid; }
  .nav.open { background: var(--washi); border-bottom-color: var(--hairline); }
}
@media (min-width: 951px) { .nav__panel { display: none !important; } }

.icon-btn {
  width: 34px; height: 34px; display: grid; place-items: center;
  border-radius: 50%; border: 1px solid var(--hairline);
  color: var(--ink-soft);
  transition: color .25s, border-color .25s, transform .35s var(--ease-out), background-color .25s;
}
.icon-btn:hover { color: var(--sumi); border-color: var(--sumi); transform: rotate(15deg); }

/* ---------- hero --------------------------------------------------------- */

.hero { position: relative; padding-top: clamp(6rem, 12vh, 8rem); padding-bottom: clamp(3rem, 6vw, 6rem); overflow: hidden; }
.hero__canvas {
  position: absolute; inset: 0; z-index: 0;
  opacity: .5; pointer-events: none;
}
.hero__glow {
  position: absolute; z-index: 0; pointer-events: none;
  width: 62vw; height: 62vw; max-width: 820px; max-height: 820px;
  right: -14vw; top: -16vw;
  background: radial-gradient(circle at center,
    color-mix(in srgb, var(--shu) 15%, transparent) 0%,
    transparent 62%);
  filter: blur(28px);
}
.hero__in { position: relative; z-index: 2; }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,.82fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
@media (max-width: 980px) { .hero__grid { grid-template-columns: 1fr; } }

.hero h1 { margin-block: 1.1rem 1.25rem; }
.hero h1 .ln { display: block; }
.hero h1 .jpline {
  font-family: var(--mincho);
  font-size: .44em;
  letter-spacing: .1em;
  color: var(--shu);
  display: block;
  margin-bottom: .4rem;
}
.hero__cta { margin-top: 1.9rem; display: flex; gap: .8rem; flex-wrap: wrap; align-items: center; }
.hero__note {
  margin-top: 1rem; font-family: var(--sans); font-size: .78rem;
  color: var(--ink-faint); display: flex; align-items: center; gap: .5rem;
}
.dot-live {
  width: 6px; height: 6px; border-radius: 50%; background: var(--matcha);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--matcha) 60%, transparent);
  animation: pulse 2.6s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--matcha) 55%, transparent); }
  70%  { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* the IME toy — first interaction on the page */
.ime {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--r-l);
  box-shadow: var(--shadow-3);
  overflow: hidden;
  position: relative;
}
.ime::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--shu), var(--kin) 50%, var(--ai));
  opacity: .85;
}
.ime__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: .95rem 1.2rem .55rem;
  font-family: var(--sans); font-size: .7rem; letter-spacing: .13em;
  text-transform: uppercase; color: var(--ink-faint);
}
.ime__body { padding: .4rem 1.35rem 1.35rem; }
.ime__out {
  min-height: 4.6rem;
  font-family: var(--mincho);
  font-size: clamp(2rem, 4.4vw, 2.9rem);
  line-height: 1.35;
  color: var(--sumi);
  letter-spacing: .04em;
  word-break: break-all;
}
.ime__out .pend { color: var(--ink-faint); border-bottom: 2px solid var(--shu); }
.ime__caret {
  display: inline-block; width: 2px; height: .95em; vertical-align: -.12em;
  background: var(--shu); animation: blink 1.15s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.ime__field {
  width: 100%;
  margin-top: .9rem;
  padding: .72rem .9rem;
  border-radius: var(--r-s);
  border: 1px solid var(--hairline);
  background: var(--washi-2);
  font-family: var(--mono); font-size: .88rem;
  color: var(--ink);
  transition: border-color .25s, background-color .25s;
}
.ime__field:focus { outline: none; border-color: var(--shu); background: var(--paper); }
.ime__field::placeholder { color: var(--ink-faint); }
.ime__hints { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .75rem; }
.ime__hint {
  font-family: var(--mono); font-size: .72rem;
  padding: .28em .6em; border-radius: 100px;
  border: 1px solid var(--hairline); color: var(--ink-soft);
  background: transparent;
  transition: all .22s var(--ease);
}
.ime__hint:hover { border-color: var(--shu); color: var(--shu); background: var(--shu-soft); }

/* ---------- trust strip -------------------------------------------------- */

.strip {
  border-block: 1px solid var(--hairline);
  padding-block: 1.55rem;
  background: color-mix(in srgb, var(--washi-2) 55%, transparent);
}
.strip__in {
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
}
.strip__label {
  font-family: var(--sans); font-size: .68rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink-faint); flex: none;
}
.strip__logos { display: flex; gap: clamp(1.4rem, 4vw, 3.2rem); flex-wrap: wrap; align-items: center; }
.strip__logo {
  font-family: var(--serif); font-size: .95rem; letter-spacing: .02em;
  color: var(--ink-faint); opacity: .82;
  transition: color .3s, opacity .3s;
}
.strip__logo:hover { color: var(--sumi); opacity: 1; }
.strip__logo .jp { font-size: 1.05em; }

/* ---------- editorial statement ------------------------------------------ */

.statement { position: relative; }
.statement__grid {
  display: grid; grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem); align-items: start;
}
@media (max-width: 780px) { .statement__grid { grid-template-columns: 1fr; } }
.statement .tategaki {
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  color: var(--sumi);
  height: 15em;
  border-right: 1px solid var(--hairline);
  padding-right: clamp(1rem, 2.5vw, 2rem);
}
@media (max-width: 780px) { .statement .tategaki { display: none; } }
.statement p {
  font-size: clamp(1.15rem, 2.1vw, 1.5rem);
  line-height: 1.62; color: var(--ink);
  max-width: 34ch;
}
.statement p + p { margin-top: 1.35rem; }
.statement .drop::first-letter {
  float: left;
  font-size: 3.6em; line-height: .82;
  padding: .06em .12em 0 0;
  color: var(--shu);
  font-family: var(--serif);
}

/* ---------- section heads ------------------------------------------------ */

.shead { display: grid; gap: 1rem; margin-bottom: clamp(2.2rem, 5vw, 3.6rem); }
.shead__row {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
}
.shead__no {
  font-family: var(--mono); font-size: .72rem; color: var(--ink-faint);
  letter-spacing: .1em;
}

/* ---------- live kana drill ---------------------------------------------- */

.drill {
  background: var(--panel);
  color: var(--onink-soft);
  border: 1px solid transparent;
  border-radius: clamp(var(--r-m), 2vw, 28px);
  padding: clamp(1.6rem, 4vw, 3.2rem);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-3);
}
[data-theme="dark"] .drill { border-color: var(--panel-bd); }
.drill::after {
  content: "";
  position: absolute; right: -6%; bottom: -22%;
  width: 46%; aspect-ratio: 1;
  background: radial-gradient(circle at center, color-mix(in srgb, var(--shu) 26%, transparent), transparent 66%);
  pointer-events: none;
}
.drill * { position: relative; z-index: 1; }
.drill h3, .drill .h2 { color: var(--onink); }
.drill .muted, .drill .eyebrow { color: var(--onink-soft); }
.drill .eyebrow { color: var(--onink-faint); }

.drill__grid {
  display: grid; grid-template-columns: 1fr minmax(0, 1.05fr);
  gap: clamp(1.6rem, 4vw, 3.4rem); align-items: center;
}
@media (max-width: 860px) { .drill__grid { grid-template-columns: 1fr; } }

.drill__stage {
  background: var(--panel-2);
  border: 1px solid var(--panel-bd);
  border-radius: var(--r-l);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  text-align: center;
  min-height: 300px;
  display: flex; flex-direction: column; justify-content: center; gap: 1.1rem;
  transition: border-color .3s;
}
.drill__char {
  font-family: var(--mincho);
  font-size: clamp(5rem, 15vw, 8.5rem);
  line-height: 1;
  color: var(--onink);
  text-shadow: 0 6px 40px rgba(0,0,0,.4);
  transition: transform .45s var(--ease-out), opacity .3s;
}
.drill__char.swap { animation: charIn .5s var(--ease-out); }
@keyframes charIn {
  from { opacity: 0; transform: translateY(14px) scale(.94); }
  to   { opacity: 1; transform: none; }
}
.drill__input {
  width: 100%; max-width: 260px; margin-inline: auto;
  background: transparent;
  border: 0; border-bottom: 2px solid var(--onink-faint);
  color: var(--onink);
  font-family: var(--mono); font-size: 1.25rem; text-align: center;
  padding: .5rem 0;
  letter-spacing: .12em;
  transition: border-color .3s;
}
.drill__input:focus { outline: none; border-bottom-color: var(--shu); }
.drill__input::placeholder { color: rgba(246,242,234,.28); letter-spacing: .05em; }
.drill__stage.is-ok    { border-color: color-mix(in srgb, var(--matcha) 60%, transparent); }
.drill__stage.is-bad   { border-color: color-mix(in srgb, var(--shu) 70%, transparent); animation: shake .38s; }
@keyframes shake {
  0%,100% { transform: translateX(0); }
  22% { transform: translateX(-7px); } 44% { transform: translateX(6px); }
  66% { transform: translateX(-4px); } 88% { transform: translateX(3px); }
}
.drill__verdict { font-family: var(--sans); font-size: .84rem; min-height: 1.5em; }
.drill__verdict b { color: var(--onink); }

.drill__meta { display: flex; gap: 1.6rem; justify-content: center; flex-wrap: wrap; }
.drill__stat { text-align: center; }
.drill__stat b {
  display: block; font-family: var(--serif); font-size: 1.6rem;
  color: var(--onink); line-height: 1;
}
.drill__stat span {
  font-family: var(--sans); font-size: .64rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--onink-faint);
}

.drill__bar {
  height: 3px; border-radius: 3px; overflow: hidden;
  background: var(--panel-bd);
  margin-top: .3rem;
}
.drill__bar i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--shu), var(--kin));
  transition: width .6s var(--ease-out);
}
.drill__set { display: flex; gap: .4rem; justify-content: center; flex-wrap: wrap; }
.pill {
  font-family: var(--sans); font-size: .74rem;
  padding: .35em .85em; border-radius: 100px;
  border: 1px solid var(--panel-bd);
  color: var(--onink-soft);
  transition: all .22s var(--ease);
}
.pill:hover { border-color: var(--onink-faint); color: var(--onink); }
.pill.on { background: var(--shu); border-color: var(--shu); color: #fff; }

/* ---------- pillars ------------------------------------------------------ */

.pillar { display: grid; gap: .95rem; }
.pillar__k {
  font-family: var(--mincho);
  font-size: 2.6rem; line-height: 1;
  color: var(--shu);
  opacity: .92;
}
.pillar h3 { font-size: 1.22rem; }
.pillar p { font-size: .95rem; color: var(--ink-soft); line-height: 1.62; }
.pillar { position: relative; padding-top: 1.6rem; border-top: 1px solid var(--hairline); }
.pillar::before {
  content: ""; position: absolute; top: -1px; left: 0; width: 0; height: 1px;
  background: var(--shu); transition: width .8s var(--ease-out);
}
.pillar.in::before { width: 2.4rem; }

/* ---------- kanji showcase ----------------------------------------------- */

.kshow {
  display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.08fr);
  gap: clamp(1.6rem, 4vw, 3.4rem); align-items: center;
}
@media (max-width: 880px) { .kshow { grid-template-columns: 1fr; } }

.kstage {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--r-l);
  padding: clamp(1.2rem, 3vw, 2rem);
  box-shadow: var(--shadow-2);
  position: relative;
}
.kstage__paper {
  position: relative;
  aspect-ratio: 1;
  background:
    linear-gradient(var(--hairline-2) 1px, transparent 1px) 0 50%/100% 50%,
    linear-gradient(90deg, var(--hairline-2) 1px, transparent 1px) 50% 0/50% 100%,
    var(--washi-2);
  border-radius: var(--r-m);
  overflow: hidden;
}
.kstage__paper::before,
.kstage__paper::after {
  content: ""; position: absolute; inset: 0;
  pointer-events: none;
}
.kstage__paper::before {
  background: linear-gradient(45deg, transparent calc(50% - .5px), var(--hairline-2) 50%, transparent calc(50% + .5px));
}
.kstage__paper::after {
  background: linear-gradient(-45deg, transparent calc(50% - .5px), var(--hairline-2) 50%, transparent calc(50% + .5px));
}
/* Scoped to the writing square — the toolbar below has its own icons. */
.kstage__paper svg { position: absolute; inset: 6%; width: 88%; height: 88%; }
.kstage__paper svg path {
  fill: none;
  stroke: var(--sumi);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}
.kstage__paper svg path.ghost { stroke: var(--hairline); }
.kstage__row {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 1rem; gap: 1rem; flex-wrap: wrap;
}
.kstage__picker { display: flex; gap: .3rem; flex-wrap: wrap; flex: 1 1 auto; min-width: 0; }
.kstage__row .btn { flex: none; }
.kpick {
  width: 2.4rem; height: 2.4rem; border-radius: 8px;
  display: grid; place-items: center;
  font-family: var(--mincho); font-size: 1.2rem;
  border: 1px solid var(--hairline); color: var(--ink-soft);
  transition: all .25s var(--ease);
}
.kpick:hover { border-color: var(--sumi); color: var(--sumi); transform: translateY(-2px); }
.kpick.on { background: var(--sumi); border-color: var(--sumi); color: var(--paper); }

.kmeta { display: grid; gap: 1.2rem; }
.kmeta__top { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.kmeta__reading { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .8rem; }
.kmeta__reading div {
  border-left: 2px solid var(--hairline); padding-left: .8rem;
}
.kmeta__reading dt {
  font-family: var(--sans); font-size: .64rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: .2rem;
}
.kmeta__reading dd { font-family: var(--mincho); font-size: 1.06rem; color: var(--sumi); }
.kparts { display: flex; gap: .5rem; flex-wrap: wrap; }
.kpart {
  display: flex; align-items: center; gap: .5rem;
  border: 1px solid var(--hairline); border-radius: 100px;
  padding: .3rem .85rem .3rem .45rem;
  font-size: .8rem; color: var(--ink-soft);
}
.kpart b { font-family: var(--mincho); font-size: 1.15rem; color: var(--shu); font-weight: 400; }
.kstory {
  font-size: 1rem; line-height: 1.65; color: var(--ink);
  border-left: 2px solid var(--shu); padding-left: 1rem;
}
.kwords { display: grid; gap: .5rem; }
.kword {
  display: flex; align-items: baseline; gap: .7rem; flex-wrap: wrap;
  padding: .5rem .2rem; border-bottom: 1px dashed var(--hairline-2);
  font-size: .9rem;
}
.kword b { font-family: var(--mincho); font-size: 1.1rem; color: var(--sumi); font-weight: 400; }
.kword i { font-family: var(--mincho); font-style: normal; color: var(--ink-soft); font-size: .88rem; }
.kword span { color: var(--ink-faint); margin-left: auto; }

/* ---------- reader ------------------------------------------------------- */

.reader {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--r-l);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}
.reader__bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  padding: .9rem 1.3rem;
  border-bottom: 1px solid var(--hairline);
  background: var(--washi-2);
}
.reader__tabs { display: flex; gap: .35rem; flex-wrap: wrap; }
.rtab {
  font-family: var(--sans); font-size: .78rem;
  padding: .35em .85em; border-radius: 100px;
  color: var(--ink-soft); border: 1px solid transparent;
  transition: all .22s;
}
.rtab:hover { color: var(--sumi); border-color: var(--hairline); }
.rtab.on { background: var(--sumi); color: var(--paper); }
.reader__body { padding: clamp(1.4rem, 3.5vw, 2.6rem); }
.reader__title { display: flex; align-items: baseline; gap: .8rem; flex-wrap: wrap; margin-bottom: 1.4rem; }
.reader__text {
  font-family: var(--mincho);
  font-size: clamp(1.28rem, 2.3vw, 1.68rem);
  line-height: 2.5;
  color: var(--sumi);
}
.tok {
  position: relative; cursor: pointer;
  border-radius: 3px;
  transition: background-color .2s, color .2s;
  padding-block: .1em;
}
.tok[data-p="n"]:hover, .tok.act { background: var(--shu-soft); color: var(--shu); }
.tok[data-p="v"]:hover { background: var(--ai-soft); color: var(--ai); }
.tok[data-p="p"] { color: var(--ink-faint); }
.tok[data-p="x"] { cursor: default; }
.tok:hover { background: var(--hairline-2); }
.tok ruby rt {
  font-family: var(--gothic);
  font-size: .42em;
  color: var(--ink-faint);
  letter-spacing: .02em;
  transform: translateY(.28em);
  transition: opacity .3s;
}
.reader[data-furi="0"] rt { opacity: 0; }

.gloss {
  position: fixed; z-index: 200;
  background: var(--panel); color: var(--onink-soft);
  border: 1px solid var(--panel-bd);
  border-radius: var(--r-m);
  padding: .8rem 1rem;
  box-shadow: var(--shadow-3);
  font-family: var(--sans); font-size: .82rem;
  max-width: 260px;
  pointer-events: none;
  opacity: 0; transform: translateY(6px);
  transition: opacity .22s, transform .22s var(--ease-out);
}
.gloss.on { opacity: 1; transform: none; }
.gloss b {
  display: block; font-family: var(--mincho); font-size: 1.25rem;
  color: var(--onink); font-weight: 400; margin-bottom: .1rem;
}
.gloss i { font-style: normal; color: var(--onink-faint); font-size: .76rem; }
.gloss .pos {
  display: inline-block; margin-top: .45rem;
  font-size: .6rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--kin);
}

/* ---------- pitch -------------------------------------------------------- */

.pitchwrap {
  display: grid; grid-template-columns: minmax(0,1fr) minmax(0,.9fr);
  gap: clamp(1.6rem, 4vw, 3rem); align-items: start;
}
@media (max-width: 880px) { .pitchwrap { grid-template-columns: 1fr; } }

.pcard {
  background: var(--paper); border: 1px solid var(--hairline);
  border-radius: var(--r-l); padding: clamp(1.3rem, 3vw, 2rem);
  box-shadow: var(--shadow-1);
}
.pgraph { width: 100%; height: clamp(150px, 20vw, 190px); overflow: visible; }
.pgraph .line { fill: none; stroke: var(--shu); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.pgraph .node { fill: var(--paper); stroke: var(--shu); stroke-width: 2.6; }
.pgraph .node.hollow { fill: var(--washi-2); stroke: var(--ink-faint); }
.pgraph .mora { font-family: var(--mincho); font-size: 19px; fill: var(--sumi); text-anchor: middle; }
.pgraph .rail { stroke: var(--hairline); stroke-width: 1; stroke-dasharray: 3 5; }
.pgraph .drop { stroke: var(--shu); stroke-width: 1.6; stroke-dasharray: 2 3; opacity: .7; }

/* The list is deliberately taller than the viewport of the card; the mask
   makes the overflow read as "more below" instead of a clipped row. */
.plist {
  display: grid; gap: .35rem;
  max-height: min(52vh, 430px); overflow-y: auto;
  padding-right: .35rem;
  scrollbar-width: thin;
  -webkit-mask-image: linear-gradient(180deg, #000 0, #000 88%, transparent 100%);
          mask-image: linear-gradient(180deg, #000 0, #000 88%, transparent 100%);
}
.plist::-webkit-scrollbar { width: 4px; }
.plist::-webkit-scrollbar-thumb { background: var(--hairline); border-radius: 4px; }
.prow {
  display: flex; align-items: center; gap: .8rem;
  padding: .6rem .8rem; border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer; text-align: left; width: 100%;
  transition: all .22s var(--ease);
}
.prow:hover { background: var(--washi-2); border-color: var(--hairline); }
.prow.on { background: var(--shu-soft); border-color: color-mix(in srgb, var(--shu) 32%, transparent); }
.prow b { font-family: var(--mincho); font-size: 1.22rem; font-weight: 400; color: var(--sumi); min-width: 3.4rem; }
.prow span { font-size: .85rem; color: var(--ink-soft); }
.prow em {
  margin-left: auto; font-style: normal; font-family: var(--mincho);
  font-size: .74rem; color: var(--ink-faint);
  border: 1px solid var(--hairline); border-radius: 100px; padding: .1em .6em;
  flex: none;
}

/* ---------- path / curriculum -------------------------------------------- */

.path { display: grid; gap: 0; }
.step {
  display: grid;
  grid-template-columns: 5.5rem 1px minmax(0,1fr) auto;
  gap: clamp(1rem, 3vw, 2.2rem);
  padding-block: clamp(1.4rem, 3vw, 2.1rem);
  align-items: start;
  position: relative;
}
@media (max-width: 720px) {
  .step { grid-template-columns: 3.6rem 1px minmax(0,1fr); }
  .step__time { grid-column: 3; }
}
.step + .step { border-top: 1px solid var(--hairline); }
.step__lv {
  font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2.1rem);
  color: var(--sumi); line-height: 1;
}
.step__lv small {
  display: block; font-family: var(--sans); font-size: .6rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint);
  margin-top: .35rem;
}
.step__spine { background: var(--hairline); height: 100%; position: relative; }
.step__spine::before {
  content: ""; position: absolute; left: 50%; top: .35rem;
  width: 7px; height: 7px; margin-left: -3.5px;
  border-radius: 50%; background: var(--washi);
  border: 1.5px solid var(--shu);
}
.step h3 { margin-bottom: .5rem; }
.step p { font-size: .93rem; color: var(--ink-soft); max-width: 54ch; }
.step__tags { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .8rem; }
.step__time {
  font-family: var(--mono); font-size: .74rem; color: var(--ink-faint);
  white-space: nowrap; padding-top: .4rem;
}
.step:hover .step__lv { color: var(--shu); }
.step__lv { transition: color .3s; }

/* ---------- grammar strip ------------------------------------------------ */

.gram {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: .8rem;
}
.gcard {
  border: 1px solid var(--hairline); border-radius: var(--r-m);
  padding: 1.1rem 1.2rem; background: var(--paper);
  display: grid; gap: .5rem; align-content: start;
  transition: transform .35s var(--ease-out), box-shadow .35s, border-color .3s;
  cursor: default;
}
.gcard:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: color-mix(in srgb, var(--shu) 30%, transparent); }
.gcard__jp { font-family: var(--mincho); font-size: 1.16rem; color: var(--sumi); }
.gcard__en { font-family: var(--sans); font-size: .78rem; color: var(--ink-faint); letter-spacing: .01em; }
.gcard__ex { font-family: var(--mincho); font-size: .96rem; color: var(--ink); border-top: 1px dashed var(--hairline); padding-top: .55rem; }
.gcard__exen { font-size: .8rem; color: var(--ink-faint); font-style: italic; }
.gcard__note { font-size: .8rem; color: var(--ink-soft); line-height: 1.55; }

/* ---------- stats -------------------------------------------------------- */

.statgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--hairline); border-block: 1px solid var(--hairline); }
@media (max-width: 780px) { .statgrid { grid-template-columns: repeat(2, 1fr); } }
.statcell { background: var(--washi); padding: clamp(1.4rem, 3vw, 2.2rem) clamp(1rem, 2vw, 1.6rem); }
.statcell b {
  display: block; font-family: var(--serif);
  font-size: clamp(2rem, 4.4vw, 3.1rem); line-height: 1;
  color: var(--sumi); letter-spacing: -.03em;
}
.statcell u {
  display: block; text-decoration: none; margin-top: .5rem;
  font-family: var(--sans); font-size: .68rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--shu);
}
.statcell span { display: block; margin-top: .5rem; font-size: .84rem; color: var(--ink-faint); line-height: 1.5; }

/* ---------- testimonials ------------------------------------------------- */

.quote { display: grid; gap: 1.3rem; align-content: start; }
.quote__mark { font-family: var(--serif); font-size: 3rem; line-height: .6; color: var(--shu); opacity: .5; }
.quote p { font-size: 1.02rem; line-height: 1.68; color: var(--ink); }
.quote footer { display: grid; gap: .15rem; border-top: 1px solid var(--hairline); padding-top: .9rem; }
.quote footer b { font-size: .92rem; }
.quote footer span { font-family: var(--sans); font-size: .78rem; color: var(--ink-faint); }
.quote footer em { font-family: var(--mono); font-size: .72rem; color: var(--shu); font-style: normal; }

/* ---------- pricing ------------------------------------------------------ */

.prices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; align-items: stretch; }
@media (max-width: 900px) { .prices { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; } }

.plan {
  border: 1px solid var(--hairline);
  border-radius: var(--r-l);
  padding: clamp(1.5rem, 3vw, 2.1rem);
  background: var(--paper);
  display: grid; gap: 1.2rem; align-content: start;
  position: relative;
  transition: transform .4s var(--ease-out), box-shadow .4s, border-color .3s;
}
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.plan--best {
  border-color: var(--panel);
  background: var(--panel); color: var(--onink-soft);
  box-shadow: var(--shadow-3);
}
[data-theme="dark"] .plan--best { border-color: color-mix(in srgb, var(--kin) 45%, transparent); }
.plan--best h3, .plan--best .plan__price b { color: var(--onink); }
.plan--best .plan__feat li { color: var(--onink-soft); }
.plan--best .plan__feat li::before { color: var(--kin); }
.plan--best .btn { --bg: var(--onink); --fg: #16130F; }
.plan__flag {
  position: absolute; top: -.7rem; left: 50%; transform: translateX(-50%);
  background: var(--kin); color: #241d05;
  font-family: var(--sans); font-size: .62rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  padding: .3em .9em; border-radius: 100px;
  white-space: nowrap;
}
.plan__price { display: flex; align-items: baseline; gap: .35rem; }
.plan__price b { font-family: var(--serif); font-size: 2.7rem; line-height: 1; letter-spacing: -.03em; color: var(--sumi); }
.plan__price span { font-family: var(--sans); font-size: .8rem; color: var(--ink-faint); }
.plan--best .plan__price span,
.plan--best .plan__note { color: var(--onink-faint); }
.plan__feat { list-style: none; padding: 0; display: grid; gap: .6rem; }
.plan__feat li { font-size: .88rem; color: var(--ink-soft); padding-left: 1.5rem; position: relative; line-height: 1.5; }
.plan__feat li::before {
  content: "—"; position: absolute; left: 0; top: 0;
  color: var(--shu); font-family: var(--mono);
}
.plan__note { font-size: .75rem; color: var(--ink-faint); font-style: italic; }

.billing { display: inline-flex; padding: 3px; border-radius: 100px; border: 1px solid var(--hairline); background: var(--washi-2); }
.billing button {
  font-family: var(--sans); font-size: .78rem; padding: .42em 1.1em;
  border-radius: 100px; color: var(--ink-soft); transition: all .25s var(--ease);
}
.billing button.on { background: var(--paper); color: var(--sumi); box-shadow: var(--shadow-1); }

/* ---------- faq ---------------------------------------------------------- */

.faq { display: grid; }
.qa { border-top: 1px solid var(--hairline); }
.qa:last-child { border-bottom: 1px solid var(--hairline); }
.qa__q {
  width: 100%; text-align: left;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: 1.35rem 0;
  font-family: var(--serif); font-size: clamp(1.02rem, 1.8vw, 1.2rem);
  color: var(--sumi);
  transition: color .25s;
}
.qa__q:hover { color: var(--shu); }
.qa__sign { position: relative; width: 14px; height: 14px; flex: none; }
.qa__sign::before, .qa__sign::after {
  content: ""; position: absolute; background: currentColor;
  transition: transform .38s var(--ease-out), opacity .3s;
}
.qa__sign::before { inset: 6px 0 auto 0; height: 1.5px; }
.qa__sign::after  { inset: 0 6px auto 6px; width: 1.5px; height: 14px; top: 0; }
.qa.on .qa__sign::after { transform: rotate(90deg); opacity: 0; }
.qa__a { overflow: hidden; height: 0; transition: height .45s var(--ease-out); }
.qa__a p { padding-bottom: 1.5rem; color: var(--ink-soft); max-width: 62ch; font-size: .96rem; }

/* ---------- final cta ---------------------------------------------------- */

.cta {
  position: relative;
  background: var(--panel);
  color: var(--onink);
  border: 1px solid transparent;
  border-radius: clamp(var(--r-m), 2.5vw, 32px);
  padding: clamp(2.6rem, 7vw, 5.5rem) clamp(1.5rem, 5vw, 4rem);
  overflow: hidden;
  text-align: center;
}
[data-theme="dark"] .cta { border-color: var(--panel-bd); }
.cta::before {
  content: "";
  position: absolute; inset: auto -20% -60% -20%;
  height: 120%;
  background: radial-gradient(ellipse at center top, color-mix(in srgb, var(--shu) 30%, transparent), transparent 62%);
  pointer-events: none;
}
.cta__k {
  position: absolute; right: 4%; top: 50%; transform: translateY(-50%);
  font-family: var(--mincho); font-size: clamp(9rem, 26vw, 20rem);
  color: rgba(246,242,234,.045); line-height: 1; pointer-events: none;
  user-select: none;
}
.cta * { position: relative; z-index: 1; }
.cta h2 { color: var(--onink); }
.cta p { color: var(--onink-soft); margin-inline: auto; }
.cta .eyebrow { color: var(--onink-faint); }
.cta .btn { --bg: var(--onink); --fg: #16130F; }
.cta .btn--shu { --bg: var(--shu); --fg: #fff; }
.cta .btn--ghost { --bg: transparent; --fg: var(--onink); --bd: var(--onink-faint); }
.cta .btn--ghost:hover { --bd: var(--onink); background: rgba(246,242,234,.08); }

/* ---------- footer ------------------------------------------------------- */

.foot { padding-block: clamp(3rem, 7vw, 5rem) 2.5rem; border-top: 1px solid var(--hairline); margin-top: var(--ma); }
.foot__grid {
  display: grid; grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: clamp(1.6rem, 4vw, 3rem);
}
@media (max-width: 820px) { .foot__grid { grid-template-columns: 1fr 1fr; } }
.foot__col h4 {
  font-family: var(--sans); font-size: .66rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 1rem;
}
.foot__col ul { list-style: none; padding: 0; display: grid; gap: .55rem; }
.foot__col a { font-size: .88rem; color: var(--ink-soft); transition: color .22s; }
.foot__col a:hover { color: var(--shu); }
.foot__bottom {
  margin-top: clamp(2.4rem, 5vw, 3.6rem); padding-top: 1.5rem;
  border-top: 1px solid var(--hairline);
  display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
  font-family: var(--sans); font-size: .76rem; color: var(--ink-faint);
}
.foot__tagline { font-family: var(--mincho); font-size: .95rem; color: var(--ink-soft); margin-top: 1rem; max-width: 30ch; line-height: 1.9; }