.esk-section {
  margin-top: clamp(2rem, 5vw, 3.75rem);
}

.esk-lab {
  --esk-accent: #1769aa;
  --esk-accent-soft: #eaf4fc;
  --esk-ink: #13233a;
  --esk-muted: #58677a;
  --esk-line: #cfdeec;
  --esk-good: #13795b;
  --esk-good-soft: #e9f7f1;
  background:
    radial-gradient(circle at 100% 0, rgba(23, 105, 170, .09), transparent 31rem),
    #fff;
  border: 1px solid var(--esk-line);
  border-radius: 18px;
  box-shadow: 0 18px 44px rgba(21, 48, 76, .09);
  color: var(--esk-ink);
  overflow: hidden;
}

.esk-lab[data-skill="writing"] {
  --esk-accent: #7656a7;
  --esk-accent-soft: #f2eef9;
}

.esk-lab[data-skill="vocab"] {
  --esk-accent: #13795b;
  --esk-accent-soft: #e9f7f1;
}

.esk-lab__bar {
  background: linear-gradient(90deg, var(--esk-accent), #22a3a8);
  height: 5px;
}

.esk-lab__header,
.esk-lab__body {
  padding: clamp(1.15rem, 3vw, 2rem);
}

.esk-lab__header {
  border-bottom: 1px solid var(--esk-line);
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr) minmax(14rem, 21rem);
}

.esk-eyebrow {
  color: var(--esk-accent);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .08em;
  margin: 0 0 .45rem;
  text-transform: uppercase;
}

.esk-title {
  color: var(--esk-ink);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 900;
  line-height: 1.45;
  margin: 0;
}

.esk-lead,
.esk-copy,
.esk-note,
.esk-status {
  color: var(--esk-muted);
  line-height: 1.85;
}

.esk-lead {
  margin: .7rem 0 0;
}

.esk-field {
  display: grid;
  gap: .4rem;
}

.esk-field > span {
  color: var(--esk-ink);
  font-size: .84rem;
  font-weight: 900;
}

.esk-select,
.esk-textarea {
  background: #fff;
  border: 1px solid #aebfd0;
  border-radius: 10px;
  color: var(--esk-ink);
  font: inherit;
  min-height: 48px;
  padding: .72rem .85rem;
  width: 100%;
}

.esk-select:focus,
.esk-textarea:focus,
.esk-button:focus-visible,
.esk-check:focus-within {
  border-color: var(--esk-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--esk-accent) 18%, transparent);
  outline: 0;
}

.esk-grid {
  display: grid;
  gap: 1rem;
}

.esk-grid--practice {
  grid-template-columns: minmax(0, 1.18fr) minmax(17rem, .82fr);
}

.esk-card {
  background: #fff;
  border: 1px solid var(--esk-line);
  border-radius: 14px;
  padding: clamp(1rem, 2.3vw, 1.4rem);
}

.esk-card--prompt {
  background:
    linear-gradient(145deg, var(--esk-accent-soft), #fff 72%);
}

.esk-card__label {
  align-items: center;
  background: var(--esk-accent);
  border-radius: 999px;
  color: #fff;
  display: inline-flex;
  font-size: .78rem;
  font-weight: 900;
  min-height: 30px;
  padding: .28rem .7rem;
}

.esk-question {
  color: var(--esk-ink);
  font-size: clamp(1.15rem, 2.6vw, 1.45rem);
  font-weight: 850;
  line-height: 1.6;
  margin: 1rem 0;
}

.esk-answer-frame,
.esk-model {
  background: #fff;
  border-left: 4px solid var(--esk-accent);
  border-radius: 8px;
  color: var(--esk-ink);
  line-height: 1.85;
  padding: .85rem 1rem;
}

.esk-audio {
  display: block;
  margin-top: 1rem;
  max-width: 100%;
  width: 100%;
}

.esk-stage-list {
  counter-reset: esk-stage;
  display: grid;
  gap: .7rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.esk-stage-list li {
  align-items: start;
  background: #f8fbfe;
  border: 1px solid var(--esk-line);
  border-radius: 12px;
  counter-increment: esk-stage;
  display: grid;
  gap: .75rem;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  min-height: 64px;
  padding: .75rem;
}

.esk-stage-list li::before {
  align-items: center;
  background: var(--esk-accent-soft);
  border-radius: 999px;
  color: var(--esk-accent);
  content: counter(esk-stage);
  display: inline-flex;
  font-weight: 900;
  height: 2.25rem;
  justify-content: center;
  width: 2.25rem;
}

.esk-stage-list strong,
.esk-stage-list span {
  display: block;
}

.esk-stage-list span {
  color: var(--esk-muted);
  font-size: .9rem;
  line-height: 1.65;
  margin-top: .12rem;
}

.esk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}

.esk-button {
  align-items: center;
  background: #fff;
  border: 1px solid var(--esk-accent);
  border-radius: 10px;
  color: var(--esk-accent);
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 850;
  justify-content: center;
  line-height: 1.35;
  min-height: 46px;
  padding: .68rem 1rem;
  text-align: center;
}

.esk-button:hover {
  background: var(--esk-accent-soft);
}

.esk-button--primary {
  background: var(--esk-accent);
  color: #fff;
}

.esk-button--primary:hover {
  background: color-mix(in srgb, var(--esk-accent) 88%, #000);
}

.esk-button--quiet {
  border-color: var(--esk-line);
  color: var(--esk-muted);
}

.esk-button[disabled] {
  cursor: not-allowed;
  filter: grayscale(.35);
  opacity: .55;
}

.esk-checks {
  display: grid;
  gap: .65rem;
}

.esk-check {
  align-items: start;
  background: #fff;
  border: 1px solid var(--esk-line);
  border-radius: 11px;
  cursor: pointer;
  display: grid;
  gap: .7rem;
  grid-template-columns: 1.2rem minmax(0, 1fr);
  line-height: 1.65;
  min-height: 48px;
  padding: .72rem .8rem;
}

.esk-check input {
  height: 1.1rem;
  margin-top: .22rem;
  width: 1.1rem;
}

.esk-check.is-checked {
  background: var(--esk-good-soft);
  border-color: #9fd4bf;
}

.esk-progress {
  background: #e6edf4;
  border-radius: 999px;
  height: 9px;
  overflow: hidden;
}

.esk-progress__fill {
  background: linear-gradient(90deg, var(--esk-accent), #22a3a8);
  height: 100%;
  transition: width .2s ease;
  width: 0;
}

.esk-status {
  background: #f8fafc;
  border: 1px solid var(--esk-line);
  border-radius: 10px;
  margin: 0;
  padding: .75rem .85rem;
}

.esk-status.is-complete {
  background: var(--esk-good-soft);
  border-color: #9fd4bf;
  color: #0c6248;
  font-weight: 750;
}

.esk-textarea {
  line-height: 1.7;
  min-height: 190px;
  resize: vertical;
}

.esk-counter {
  color: var(--esk-muted);
  display: flex;
  flex-wrap: wrap;
  font-size: .85rem;
  gap: .6rem 1rem;
  justify-content: space-between;
  margin-top: .45rem;
}

.esk-counter strong {
  color: var(--esk-ink);
}

.esk-model[hidden] {
  display: none;
}

.esk-model {
  margin-top: 1rem;
}

.esk-model__english {
  color: var(--esk-ink);
  font-weight: 700;
  line-height: 1.85;
  margin-bottom: .55rem;
  white-space: pre-line;
}

.esk-note {
  background: #fff9e9;
  border: 1px solid #ecd69f;
  border-radius: 10px;
  margin: 0;
  padding: .75rem .85rem;
}

.esk-inventory {
  display: grid;
  gap: .75rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.esk-inventory__item {
  background: #fff;
  border: 1px solid var(--esk-line);
  border-radius: 12px;
  min-height: 100px;
  padding: 1rem;
}

.esk-inventory__item span,
.esk-inventory__item strong {
  display: block;
}

.esk-inventory__item span {
  color: var(--esk-muted);
  font-size: .86rem;
}

.esk-inventory__item strong {
  color: var(--esk-accent);
  font-size: 1.45rem;
  margin-top: .25rem;
}

@media (max-width: 991.98px) {
  .esk-lab__header,
  .esk-grid--practice {
    grid-template-columns: 1fr;
  }

  .esk-inventory {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575.98px) {
  .esk-lab {
    border-radius: 14px;
  }

  .esk-lab__header,
  .esk-lab__body {
    padding: 1rem;
  }

  .esk-inventory {
    grid-template-columns: 1fr;
  }

  .esk-actions,
  .esk-button {
    width: 100%;
  }
}

.e18-writing-ai {
  background:
    radial-gradient(circle at top right, rgba(13, 110, 253, .13), transparent 38%),
    linear-gradient(145deg, #f7fbff, #fff);
  border: 1px solid #bcd5f5;
  border-radius: 24px;
  box-shadow: 0 16px 38px rgba(25, 74, 126, .1);
  padding: 1.4rem;
}

.e18-writing-ai__header {
  align-items: flex-start;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}

.e18-writing-ai__header h3,
.e18-writing-ai__pane h4 {
  color: #173b64;
  font-weight: 800;
  margin: 0 0 .35rem;
}

.e18-writing-ai__header p,
.e18-writing-ai__pane p {
  color: #51657b;
  margin: 0;
}

.e18-writing-ai__eyebrow,
.e18-writing-ai__step {
  color: #1769aa !important;
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .08em;
  margin-bottom: .45rem !important;
}

.e18-writing-ai__badge {
  background: #173b64;
  border-radius: 999px;
  color: #fff;
  flex: 0 0 auto;
  font-size: .78rem;
  font-weight: 800;
  padding: .45rem .7rem;
}

.e18-writing-ai__notice {
  align-items: flex-start;
  background: #fff8e6;
  border: 1px solid #f3d892;
  border-radius: 14px;
  color: #5e4b1d;
  display: flex;
  gap: .65rem;
  margin-top: 1rem;
  padding: .85rem 1rem;
}

.e18-writing-ai__notice p {
  margin: 0;
}

.e18-writing-ai__grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1rem;
}

.e18-writing-ai__pane {
  align-content: start;
  background: rgba(255, 255, 255, .9);
  border: 1px solid #d7e5f4;
  border-radius: 17px;
  display: grid;
  gap: .9rem;
  padding: 1rem;
}

.e18-writing-ai__textarea {
  background: #fff;
  border: 1px solid #b9cce0;
  border-radius: 12px;
  color: #1c334a;
  min-height: 5.25rem;
  padding: .7rem .8rem;
  resize: vertical;
  width: 100%;
}

.e18-writing-ai__textarea:focus {
  border-color: #1769aa;
  box-shadow: 0 0 0 3px rgba(23, 105, 170, .12);
  outline: 0;
}

.e18-writing-ai__disclaimer {
  background: #f2f6fa;
  border-left: 4px solid #607d99;
  border-radius: 8px;
  color: #40576d;
  font-size: .9rem;
  padding: .7rem .8rem;
}

.e18-writing-ai__result {
  background: #f8fbfe;
  border: 1px solid #cfdeec;
  border-radius: 14px;
  color: #243e58;
  padding: 1rem;
}

.e18-writing-ai__result h5 {
  color: #173b64;
  font-size: 1rem;
  font-weight: 800;
  margin: 1rem 0 .45rem;
}

.e18-writing-ai__result h5:first-child {
  margin-top: 0;
}

.e18-writing-ai__result ul,
.e18-writing-ai__result ol {
  margin: 0;
  padding-left: 1.3rem;
}

.e18-writing-ai__result li + li {
  margin-top: .5rem;
}

.e18-writing-ai__score-grid {
  display: grid;
  gap: .5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.e18-writing-ai__score {
  background: #fff;
  border: 1px solid #d6e3ee;
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  padding: .65rem .75rem;
}

.e18-writing-ai__status {
  color: #405a72;
  font-size: .9rem;
  margin: 1rem 0 0;
}

.e18-writing-ai__status.is-error {
  color: #a12424;
}

@media (max-width: 767.98px) {
  .e18-writing-ai {
    border-radius: 18px;
    padding: 1rem;
  }

  .e18-writing-ai__header {
    flex-direction: column;
  }

  .e18-writing-ai__grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .esk-progress__fill {
    transition: none;
  }
}

/* EIKEN-013 visual refresh: shared across interview, vocabulary, and writing. */
.e13-hero {
  background:
    radial-gradient(circle at 92% 12%, rgba(62, 178, 181, .2), transparent 22rem),
    radial-gradient(circle at 18% 110%, rgba(66, 122, 200, .17), transparent 28rem),
    linear-gradient(145deg, #f7fbff 0%, #eef6fb 100%);
  border: 1px solid #d5e3ee;
  border-radius: 26px;
  color: #12253d;
  overflow: hidden;
  padding: clamp(1.4rem, 4vw, 3.25rem);
  position: relative;
}

.e13-hero::before {
  background: linear-gradient(180deg, #177fb0, #27a78c);
  border-radius: 999px;
  content: "";
  height: calc(100% - 3rem);
  left: 0;
  position: absolute;
  top: 1.5rem;
  width: 5px;
}

.e13-hero__grid {
  align-items: center;
  display: grid;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  grid-template-columns: minmax(0, 1.45fr) minmax(17rem, .75fr);
}

.e13-kicker {
  color: #14739d;
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .09em;
  margin: 0 0 .8rem;
  text-transform: uppercase;
}

.e13-hero__title {
  color: #102a47;
  font-size: clamp(1.75rem, 3.4vw, 2.65rem);
  font-weight: 820;
  letter-spacing: -.025em;
  line-height: 1.32;
  margin: 0;
}

.e13-hero__lead {
  color: #4f6277;
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.9;
  margin: 1rem 0 0;
  max-width: 48rem;
}

.e13-hero__actions,
.e13-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.e13-hero__actions {
  margin-top: 1.3rem;
}

.e13-action {
  align-items: center;
  appearance: none;
  background: #edf4f9;
  border: 1px solid transparent;
  border-radius: 14px;
  color: #17476a;
  cursor: pointer;
  display: inline-flex;
  font-size: .93rem;
  font-weight: 800;
  gap: .55rem;
  justify-content: center;
  line-height: 1.45;
  min-height: 46px;
  padding: .72rem 1rem;
  text-align: center;
  text-decoration: none;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}

.e13-action:hover,
.e13-action:focus-visible {
  background: #e0edf5;
  border-color: #9fc5db;
  color: #0d527b;
  text-decoration: none;
  transform: translateY(-1px);
}

.e13-action:focus-visible {
  outline: 3px solid rgba(23, 127, 176, .25);
  outline-offset: 2px;
}

.e13-action--primary {
  background: linear-gradient(135deg, #116f9d, #15886f);
  box-shadow: 0 8px 20px rgba(17, 111, 157, .18);
  color: #fff;
}

.e13-action--primary:hover,
.e13-action--primary:focus-visible {
  background: linear-gradient(135deg, #0c5f88, #10745f);
  border-color: transparent;
  color: #fff;
}

.e13-action--quiet {
  background: transparent;
  border-color: #cbdce8;
  color: #315d79;
}

.e13-action--danger {
  background: #fff4f3;
  border-color: #f0c8c4;
  color: #9e3c36;
}

.e13-action[disabled] {
  box-shadow: none;
  cursor: not-allowed;
  opacity: .48;
  transform: none;
}

.e13-hero__rail {
  background: rgba(255, 255, 255, .82);
  border: 1px solid rgba(181, 207, 223, .85);
  border-radius: 20px;
  padding: 1.15rem;
}

.e13-hero__rail-title {
  color: #173a55;
  font-size: .84rem;
  font-weight: 900;
  margin: 0 0 .8rem;
}

.e13-hero__steps {
  display: grid;
  gap: .25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.e13-hero__steps li {
  align-items: center;
  color: #40586d;
  display: grid;
  font-size: .9rem;
  gap: .75rem;
  grid-template-columns: 2rem minmax(0, 1fr);
  line-height: 1.55;
  padding: .55rem 0;
}

.e13-hero__steps strong {
  align-items: center;
  background: #e7f3f7;
  border-radius: 9px;
  color: #12799c;
  display: inline-flex;
  height: 2rem;
  justify-content: center;
  width: 2rem;
}

.e13-anchor-nav {
  align-items: center;
  border-bottom: 1px solid #d8e4ec;
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  padding: .85rem .2rem;
  scrollbar-width: thin;
}

.e13-anchor-nav a {
  color: #486178;
  flex: 0 0 auto;
  font-size: .88rem;
  font-weight: 760;
  min-height: 44px;
  padding: .72rem 0;
  text-decoration: none;
}

.e13-anchor-nav a:hover,
.e13-anchor-nav a:focus-visible {
  color: #0f749e;
  text-decoration: none;
}

.e13-overview {
  background: #fff;
  border: 1px solid #d8e4ec;
  border-radius: 22px;
  overflow: hidden;
}

.e13-overview__intro {
  align-items: end;
  background: linear-gradient(135deg, #f4f9fc, #edf7f4);
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: clamp(1.2rem, 3vw, 2rem);
}

.e13-overview__title {
  color: #16334f;
  font-size: clamp(1.35rem, 2.7vw, 1.8rem);
  font-weight: 850;
  line-height: 1.45;
  margin: 0;
}

.e13-overview__copy {
  color: #52667a;
  line-height: 1.85;
  margin: .55rem 0 0;
}

.e13-overview__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.e13-overview__card {
  border-right: 1px solid #dfe8ef;
  min-height: 100%;
  padding: clamp(1.1rem, 2.5vw, 1.6rem);
}

.e13-overview__card:last-child {
  border-right: 0;
}

.e13-overview__number {
  color: #17837a;
  display: block;
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .08em;
  margin-bottom: .5rem;
  text-transform: uppercase;
}

.e13-overview__card h3 {
  color: #18364f;
  font-size: 1.04rem;
  font-weight: 850;
  line-height: 1.5;
  margin: 0;
}

.e13-overview__card p {
  color: #586a7b;
  line-height: 1.75;
  margin: .55rem 0 0;
}

.e13-grade-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.e13-grade-card {
  background: linear-gradient(145deg, #fff, #f7fafc);
  border: 1px solid #d7e3eb;
  border-radius: 18px;
  display: grid;
  gap: 1rem;
  grid-template-columns: 5rem minmax(0, 1fr);
  padding: 1.25rem;
}

.e13-grade-card__badge {
  align-items: center;
  align-self: start;
  aspect-ratio: 1;
  background: var(--grade-soft, #e8f3f8);
  border-radius: 18px;
  color: var(--grade-accent, #1777a1);
  display: flex;
  flex-direction: column;
  font-size: .75rem;
  font-weight: 850;
  justify-content: center;
  text-align: center;
}

.e13-grade-card__badge strong {
  display: block;
  font-size: 1.16rem;
}

.e13-grade-card h3 {
  color: #173650;
  font-size: 1.05rem;
  font-weight: 850;
  line-height: 1.5;
  margin: 0;
}

.e13-grade-card p {
  color: #586a7b;
  line-height: 1.75;
  margin: .45rem 0 0;
}

.e13-grade-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-top: .75rem;
}

.e13-grade-card__meta span {
  background: #eff5f8;
  border-radius: 999px;
  color: #456177;
  font-size: .78rem;
  font-weight: 760;
  padding: .32rem .65rem;
}

.e13-grade-card__link {
  color: #12769e;
  display: inline-flex;
  font-size: .86rem;
  font-weight: 820;
  margin-top: .75rem;
  text-decoration: none;
}

.e13-grade-card__link:hover,
.e13-grade-card__link:focus-visible {
  color: #0d5d7d;
  text-decoration: underline;
}

.e13-listen {
  background: #f2f7fa;
  border-radius: 12px;
  display: grid;
  gap: .6rem;
  margin-top: .85rem;
  padding: .8rem;
}

.e13-listen__translation {
  color: #4d6173;
  font-size: .88rem;
  line-height: 1.7;
  margin: 0;
}

.e13-listen__translation strong {
  color: #263f55;
}

.e13-audio-button {
  align-items: center;
  appearance: none;
  align-self: start;
  background: #fff;
  border: 1px solid #bfd5e3;
  border-radius: 999px;
  color: #126e95;
  cursor: pointer;
  display: inline-flex;
  font-size: .82rem;
  font-weight: 830;
  gap: .45rem;
  justify-content: center;
  min-height: 42px;
  padding: .52rem .82rem;
  width: fit-content;
}

.e13-audio-button:hover,
.e13-audio-button:focus-visible,
.e13-audio-button[aria-pressed="true"] {
  background: #12769e;
  border-color: #12769e;
  color: #fff;
}

.e13-audio-button:focus-visible {
  outline: 3px solid rgba(18, 118, 158, .2);
  outline-offset: 2px;
}

.e13-audio-button.is-error {
  background: #fff2f1;
  border-color: #e4aaa5;
  color: #9a3f39;
}

.e13-today {
  background:
    radial-gradient(circle at 100% 0, rgba(35, 164, 139, .17), transparent 20rem),
    #102d47;
  border-radius: 24px;
  color: #fff;
  display: grid;
  gap: clamp(1.3rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 1fr) minmax(18rem, .8fr);
  padding: clamp(1.3rem, 4vw, 2.6rem);
}

.e13-today h2 {
  color: #fff !important;
  margin-top: 0;
}

.e13-today p,
.e13-today li {
  color: #dce9f2;
}

.e13-today__steps {
  counter-reset: e13-today;
  display: grid;
  gap: .75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.e13-today__steps li {
  counter-increment: e13-today;
  display: grid;
  gap: .75rem;
  grid-template-columns: 2rem minmax(0, 1fr);
  line-height: 1.7;
}

.e13-today__steps li::before {
  align-items: center;
  background: rgba(255, 255, 255, .12);
  border-radius: 9px;
  color: #8ee2d1;
  content: counter(e13-today);
  display: flex;
  font-weight: 900;
  height: 2rem;
  justify-content: center;
}

.e13-today__actions {
  align-content: center;
  display: grid;
  gap: .7rem;
}

.e13-today .e13-action {
  background: rgba(255, 255, 255, .09);
  border-color: rgba(255, 255, 255, .2);
  color: #fff;
  justify-content: space-between;
}

.e13-today .e13-action:hover,
.e13-today .e13-action:focus-visible {
  background: rgba(255, 255, 255, .16);
  border-color: rgba(255, 255, 255, .38);
}

.e13-today .e13-action--primary {
  background: #fff;
  border-color: #fff;
  color: #123b59;
}

.iv-page .iv-card,
.iv-page .iv-panel,
.iv-page .iv-alert,
.iv-page .iv-final,
.iv-page .iv-pr,
.iv-page .iv-qa-card,
.iv-page .iv-practice,
.evq-page .evq-panel,
.evq-page .evq-card,
.evq-page .evq-quiz-shell,
.ew-page .ew-panel,
.ew-page .ew-card,
.ew-page .ew-alert,
.ew-page .ew-practice {
  border-radius: 18px;
  box-shadow: none;
}

.iv-page .iv-section,
.evq-page .evq-section,
.ew-page .ew-section {
  scroll-margin-top: 1rem;
}

.iv-page .iv-qa-card {
  background: linear-gradient(155deg, #fff 0%, #f8fbfd 100%);
  border-color: #d6e3eb;
}

.e15-ai-review {
  background:
    radial-gradient(circle at 100% 0, rgba(100, 94, 220, .13), transparent 20rem),
    linear-gradient(145deg, #f8fbff 0%, #f5f3ff 100%);
  border: 1px solid #d8d8f3;
  border-radius: 22px;
  box-shadow: 0 16px 36px rgba(40, 53, 90, .08);
  overflow: hidden;
  padding: clamp(1.15rem, 3vw, 2rem);
  scroll-margin-top: 1rem;
}

.e15-ai-review__header {
  align-items: start;
  display: flex;
  gap: 1.2rem;
  justify-content: space-between;
}

.e15-ai-review__eyebrow {
  align-items: center;
  color: #5549a8;
  display: flex;
  font-size: .76rem;
  font-weight: 900;
  gap: .55rem;
  letter-spacing: .09em;
  margin-bottom: .6rem;
}

.e15-ai-review__icon {
  align-items: center;
  background: linear-gradient(135deg, #6357d7, #168c83);
  border-radius: 10px;
  color: #fff;
  display: inline-flex;
  font-size: .95rem;
  height: 2rem;
  justify-content: center;
  width: 2rem;
}

.e15-ai-review__header h3 {
  color: #172b4d;
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.45;
  margin: 0;
}

.e15-ai-review__header p {
  color: #58657a;
  line-height: 1.8;
  margin: .65rem 0 0;
  max-width: 48rem;
}

.e15-ai-review__badge {
  align-items: center;
  background: rgba(255, 255, 255, .9);
  border: 1px solid #cfd3eb;
  border-radius: 999px;
  color: #35645f;
  display: inline-flex;
  flex: 0 0 auto;
  font-size: .8rem;
  font-weight: 850;
  gap: .4rem;
  padding: .55rem .8rem;
}

.e15-ai-review__steps {
  display: grid;
  gap: .7rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
}

.e15-ai-review__steps li {
  align-items: center;
  background: rgba(255, 255, 255, .82);
  border: 1px solid #dcdff0;
  border-radius: 16px;
  display: grid;
  gap: .15rem .65rem;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  padding: .8rem;
}

.e15-ai-review__steps li > span {
  align-items: center;
  background: #eceafd;
  border-radius: 10px;
  color: #5549a8;
  display: flex;
  font-weight: 900;
  grid-row: 1 / 3;
  height: 2.2rem;
  justify-content: center;
}

.e15-ai-review__steps strong {
  color: #263852;
  font-size: .9rem;
}

.e15-ai-review__steps small {
  color: #718095;
  font-size: .76rem;
  line-height: 1.45;
}

.e15-ai-review__notice {
  align-items: flex-start;
  background: #fffaf0;
  border: 1px solid #ead8af;
  border-radius: 14px;
  color: #71572a;
  display: flex;
  gap: .65rem;
  margin-top: 1rem;
  padding: .85rem 1rem;
}

.e15-ai-review__notice i {
  color: #a46b10;
  flex: 0 0 auto;
  margin-top: .2rem;
}

.e15-ai-review__notice p {
  font-size: .86rem;
  line-height: 1.7;
  margin: 0;
}

.e15-ai-review__actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1rem;
}

.e15-ai-review__result {
  background: #fff;
  border: 1px solid #d5daed;
  border-radius: 18px;
  margin-top: 1rem;
  padding: clamp(.9rem, 2.5vw, 1.25rem);
}

.e15-ai-review__result-head {
  align-items: flex-start;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-bottom: .75rem;
}

.e15-ai-review__result-head p {
  color: #6c7789;
  font-size: .8rem;
  line-height: 1.6;
  margin: .15rem 0 0;
}

.e15-ai-review__result-head .e15-ai-review__result-label {
  color: #243753;
  font-size: .95rem;
  font-weight: 900;
  margin: 0;
}

.e15-ai-review__result-head > span {
  background: #eef2f8;
  border-radius: 999px;
  color: #526179;
  flex: 0 0 auto;
  font-size: .76rem;
  padding: .38rem .65rem;
}

.e15-ai-review__output {
  background: #f8fafc;
  border: 1px solid #ccd6e2;
  border-radius: 14px;
  color: #24324a;
  display: block;
  font-family: "BIZ UDPGothic", "Yu Gothic UI", sans-serif;
  font-size: .88rem;
  line-height: 1.75;
  min-height: 24rem;
  padding: 1rem;
  resize: vertical;
  width: 100%;
}

.e15-ai-review__output:focus {
  border-color: #6257ca;
  box-shadow: 0 0 0 3px rgba(98, 87, 202, .14);
  outline: 0;
}

.e15-ai-review__status {
  color: #5e6b80;
  font-size: .84rem;
  line-height: 1.65;
  margin: .85rem 0 0;
}

.esk-lab[data-skill="writing"] .esk-lab__header {
  grid-template-columns: minmax(0, .9fr) minmax(25rem, 1.1fr);
}

.e16-writing-controls {
  align-content: start;
  display: grid;
  gap: .85rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.e16-writing-controls__topic {
  grid-column: 1 / -1;
}

.e16-bank-overview {
  align-items: center;
  background:
    radial-gradient(circle at 0 0, rgba(118, 86, 167, .13), transparent 17rem),
    linear-gradient(135deg, #f8f6fc, #f5fafb);
  border: 1px solid #d8d2e8;
  border-radius: 18px;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(0, 1.15fr) minmax(23rem, .85fr);
  margin-bottom: .85rem;
  padding: clamp(1rem, 2.4vw, 1.35rem);
}

.e16-bank-overview__intro {
  align-items: center;
  display: flex;
  gap: .9rem;
}

.e16-bank-overview__mark {
  align-items: center;
  background: #7656a7;
  border-radius: 16px;
  box-shadow: 0 10px 22px rgba(91, 61, 137, .18);
  color: #fff;
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 1.25rem;
  height: 3.3rem;
  justify-content: center;
  width: 3.3rem;
}

.e16-bank-overview__eyebrow {
  color: #72559d;
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .1em;
  margin: 0 0 .22rem;
}

.e16-bank-overview__title {
  color: #273750;
  font-size: 1.05rem;
  font-weight: 850;
  margin: 0;
}

.e16-bank-overview__title strong {
  color: #654691;
  font-size: 1.38rem;
  margin: 0 .15rem;
}

.e16-bank-overview__intro > div > p:last-child {
  color: #647087;
  font-size: .82rem;
  line-height: 1.65;
  margin: .3rem 0 0;
}

.e16-bank-overview__stats {
  display: grid;
  gap: .55rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
}

.e16-bank-overview__stats > div {
  background: rgba(255, 255, 255, .86);
  border: 1px solid #ddd9e8;
  border-radius: 13px;
  min-width: 0;
  padding: .72rem .78rem;
}

.e16-bank-overview__stats dt {
  color: #798298;
  font-size: .68rem;
  font-weight: 800;
  line-height: 1.4;
}

.e16-bank-overview__stats dd {
  color: #2d3a53;
  font-size: .94rem;
  font-weight: 900;
  margin: .2rem 0 0;
}

.e16-bank-overview__stats dd strong {
  color: #654691;
  font-size: 1.16rem;
}

.e16-topic-nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  justify-content: flex-end;
  margin-bottom: 1rem;
}

.e16-topic-nav__status {
  background: #eef1f6;
  border-radius: 999px;
  color: #5d687d;
  font-size: .76rem;
  font-weight: 850;
  margin-right: auto;
  padding: .44rem .75rem;
}

.e16-topic-nav__status.is-active {
  background: #fff4dc;
  color: #8a6218;
}

.e16-topic-nav__status.is-complete {
  background: #e5f5ee;
  color: #137356;
}

.e16-prompt-meta {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.e16-prompt-meta__category {
  background: rgba(255, 255, 255, .82);
  border: 1px solid #d6cde5;
  border-radius: 999px;
  color: #6d568f;
  font-size: .74rem;
  font-weight: 820;
  padding: .34rem .65rem;
}

.e16-prompt-instruction {
  border-left: 3px solid #9b7bc7;
  color: #4d4262;
  font-size: .86rem;
  font-weight: 820;
  line-height: 1.65;
  margin: .65rem 0 .8rem;
  padding-left: .72rem;
}

.e16-writing-prompt {
  background: rgba(255, 255, 255, .74);
  border: 1px solid #e1dcec;
  border-radius: 12px;
  color: #344259;
  padding: .95rem;
  white-space: pre-line;
}

.e16-writing-focus {
  background: #edf8f5;
  border-left: 4px solid #168071;
  border-radius: 0 .75rem .75rem 0;
  color: #29443f;
  display: grid;
  gap: .35rem;
  margin: .9rem 0;
  padding: .75rem .9rem;
}

.e16-writing-focus > span {
  font-size: .78rem;
  font-weight: 700;
}

.e16-writing-focus > strong {
  color: #0f5f54;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: .2em;
  width: fit-content;
}

.e16-bank-catalog {
  border-top: 1px solid #dfe8ef;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.e16-bank-catalog__card {
  border-right: 1px solid #dfe8ef;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(1rem, 2.2vw, 1.35rem);
}

.e16-bank-catalog__card:last-child {
  border-right: 0;
}

.e16-bank-catalog__grade {
  color: var(--catalog-accent);
  font-size: .76rem;
  font-weight: 900;
}

.e16-bank-catalog__card > strong {
  color: var(--catalog-accent);
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  line-height: 1.2;
  margin-top: .35rem;
}

.e16-bank-catalog__card h3 {
  color: #263951;
  font-size: .94rem;
  font-weight: 850;
  line-height: 1.55;
  margin: .45rem 0 0;
}

.e16-bank-catalog__card p {
  color: #647286;
  font-size: .82rem;
  line-height: 1.72;
  margin: .55rem 0 1rem;
}

.e16-bank-catalog__card a {
  color: var(--catalog-accent);
  font-size: .82rem;
  font-weight: 850;
  margin-top: auto;
  text-decoration: none;
}

.e16-bank-catalog__card a:hover,
.e16-bank-catalog__card a:focus-visible {
  text-decoration: underline;
}

@media (max-width: 991.98px) {
  .esk-lab[data-skill="writing"] .esk-lab__header,
  .e16-bank-overview {
    grid-template-columns: 1fr;
  }

  .e16-bank-catalog {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .e16-bank-catalog__card:nth-child(even) {
    border-right: 0;
  }

  .e16-bank-catalog__card:nth-child(-n+4) {
    border-bottom: 1px solid #dfe8ef;
  }

  .e13-hero__grid,
  .e13-overview__intro,
  .e13-today {
    grid-template-columns: 1fr;
  }

  .e13-overview__grid {
    grid-template-columns: 1fr;
  }

  .e13-overview__card {
    border-bottom: 1px solid #dfe8ef;
    border-right: 0;
  }

  .e13-overview__card:last-child {
    border-bottom: 0;
  }

  .e13-grade-grid {
    grid-template-columns: 1fr;
  }

  .e15-ai-review__steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575.98px) {
  .e16-writing-controls,
  .e16-bank-overview__stats {
    grid-template-columns: 1fr;
  }

  .e16-writing-controls__topic {
    grid-column: auto;
  }

  .e16-bank-overview__intro {
    align-items: flex-start;
  }

  .e16-bank-overview__stats {
    gap: .45rem;
  }

  .e16-bank-overview__stats > div {
    align-items: center;
    display: flex;
    justify-content: space-between;
  }

  .e16-bank-overview__stats dd {
    margin: 0;
  }

  .e16-topic-nav,
  .e16-topic-nav .e13-action {
    width: 100%;
  }

  .e16-topic-nav__status {
    margin-right: 0;
    text-align: center;
    width: 100%;
  }

  .e16-bank-catalog {
    grid-template-columns: 1fr;
  }

  .e16-bank-catalog__card,
  .e16-bank-catalog__card:nth-child(2) {
    border-bottom: 1px solid #dfe8ef;
    border-right: 0;
  }

  .e16-bank-catalog__card:last-child {
    border-bottom: 0;
  }

  .e13-hero {
    border-radius: 18px;
    padding: 1.2rem 1rem 1.25rem 1.25rem;
  }

  .e13-hero::before {
    height: calc(100% - 2rem);
    top: 1rem;
    width: 4px;
  }

  .e13-hero__rail {
    border-radius: 15px;
  }

  .e13-hero__actions,
  .e13-actions,
  .e13-action {
    width: 100%;
  }

  .e13-grade-card {
    grid-template-columns: 1fr;
  }

  .e13-grade-card__badge {
    aspect-ratio: auto;
    flex-direction: row;
    gap: .4rem;
    min-height: 50px;
    width: 100%;
  }

  .e13-today {
    border-radius: 18px;
  }

  .e15-ai-review {
    border-radius: 18px;
    padding: 1rem;
  }

  .e15-ai-review__header,
  .e15-ai-review__result-head {
    align-items: stretch;
    flex-direction: column;
  }

  .e15-ai-review__badge {
    align-self: flex-start;
  }

  .e15-ai-review__actions,
  .e15-ai-review__actions .e13-action {
    width: 100%;
  }

  .e15-ai-review__output {
    min-height: 29rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .e13-action {
    transition: none;
  }
}

/* EIKEN-017: focused three-step Writing player. */
.e18-writing-stage-nav-wrap {
  background: rgba(255, 255, 255, .96);
  border: 1px solid var(--esk-line);
  border-radius: 15px;
  box-shadow: 0 8px 24px rgba(33, 49, 76, .08);
  padding: .65rem;
  position: sticky;
  top: .5rem;
  z-index: 8;
}

.e18-writing-stage-current {
  color: var(--esk-accent);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .04em;
  margin: 0 0 .5rem;
}

.e18-writing-stage-nav {
  display: grid;
  gap: .45rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.e18-writing-stage-nav button {
  align-items: center;
  background: #fff;
  border: 1px solid var(--esk-line);
  border-radius: 11px;
  color: var(--esk-muted);
  cursor: pointer;
  display: flex;
  font: inherit;
  font-size: .84rem;
  font-weight: 850;
  gap: .45rem;
  justify-content: center;
  min-height: 48px;
  padding: .5rem .6rem;
}

.e18-writing-stage-nav button > span {
  align-items: center;
  background: #edf2f7;
  border-radius: 999px;
  color: #53657a;
  display: inline-flex;
  flex: 0 0 auto;
  height: 1.65rem;
  justify-content: center;
  width: 1.65rem;
}

.e18-writing-stage-nav button[aria-selected="true"] {
  background: var(--esk-accent-soft);
  border-color: var(--esk-accent);
  color: var(--esk-accent);
}

.e18-writing-stage-nav button[aria-selected="true"] > span {
  background: var(--esk-accent);
  color: #fff;
}

.e18-writing-stage-nav button:focus-visible {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--esk-accent) 18%, transparent);
  outline: 0;
}

.e18-writing-stage {
  margin-top: 1rem;
}

.e18-writing-stage[hidden] {
  display: none !important;
}

.e18-writing-stage__intro {
  align-items: end;
  background: linear-gradient(135deg, var(--esk-accent-soft), #fff);
  border: 1px solid var(--esk-line);
  border-radius: 14px;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding: .9rem 1rem;
}

.e18-writing-stage__intro > div > span {
  color: var(--esk-accent);
  display: block;
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .08em;
  margin-bottom: .2rem;
}

.e18-writing-stage__intro h3 {
  color: var(--esk-ink);
  font-size: 1.2rem;
  font-weight: 900;
  margin: 0;
}

.e18-writing-stage__intro h3:focus {
  border-radius: .25rem;
  outline: 3px solid color-mix(in srgb, var(--esk-accent) 28%, transparent);
  outline-offset: .2rem;
}

.e18-writing-stage__intro > p {
  color: var(--esk-muted);
  line-height: 1.65;
  margin: 0;
  max-width: 34rem;
}

.e18-writing-stage__actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 1rem;
}

.e18-writing-stage__actions--split {
  justify-content: space-between;
}

.e18-writing-plan-cues {
  display: grid;
  gap: .7rem;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  margin-bottom: 1rem;
}

.e18-writing-plan-cues article {
  background: #fff;
  border: 1px solid var(--esk-line);
  border-radius: 13px;
  display: grid;
  gap: .25rem .55rem;
  grid-template-columns: 1.8rem minmax(0, 1fr);
  padding: .75rem;
}

.e18-writing-plan-cues article > span {
  align-items: center;
  background: var(--esk-accent-soft);
  border-radius: 999px;
  color: var(--esk-accent);
  display: flex;
  font-weight: 900;
  grid-row: 1 / 3;
  height: 1.8rem;
  justify-content: center;
}

.e18-writing-plan-cues strong {
  color: var(--esk-ink);
}

.e18-writing-plan-cues p {
  color: var(--esk-muted);
  font-size: .82rem;
  line-height: 1.55;
  margin: 0;
}

.e18-writing-plan-note {
  margin-top: 0;
}

.e18-writing-plan-fields {
  display: grid;
  gap: .85rem;
}

.e18-writing-plan-fields .e18-writing-review-card__head {
  margin-bottom: 0;
}

.e18-writing-draft-card .esk-textarea {
  min-height: 16rem;
}

.e18-writing-send-note {
  align-items: center;
  color: #35645f;
  display: flex;
  font-size: .86rem;
  gap: .45rem;
  line-height: 1.6;
}

.e18-writing-ai {
  border-radius: 18px;
  box-shadow: none;
  margin-top: 0;
  padding: 1rem;
}

.e18-writing-ai__grid--assist {
  grid-template-columns: 1fr;
}

.e18-writing-ai__grid--assist .e18-writing-ai__pane {
  background: transparent;
  border: 0;
  padding: 0;
}

.e18-writing-ai__grid--assist .e18-writing-ai__pane > label {
  max-width: 44rem;
}

.e18-writing-ai-preview {
  background: #f7fbff;
  border: 1px solid #cfe0ef;
  border-radius: 14px;
  margin: .9rem 0;
  padding: .9rem;
}

.e18-writing-ai-preview__title {
  color: #244d6b;
  font-size: .9rem;
  font-weight: 900;
  margin: 0 0 .7rem;
}

.e18-writing-ai-preview__grid {
  display: grid;
  gap: .65rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.e18-writing-ai-preview__grid article {
  align-items: flex-start;
  background: #fff;
  border: 1px solid #dbe7f0;
  border-radius: 11px;
  display: flex;
  gap: .6rem;
  padding: .72rem;
}

.e18-writing-ai-preview__grid article > span {
  align-items: center;
  background: #dff1ec;
  border-radius: 999px;
  color: #176a59;
  display: inline-flex;
  flex: 0 0 auto;
  font-size: .74rem;
  font-weight: 900;
  height: 1.65rem;
  justify-content: center;
  width: 1.65rem;
}

.e18-writing-ai-preview__grid strong {
  color: #273b50;
  display: block;
  font-size: .84rem;
}

.e18-writing-ai-preview__grid p {
  color: #52677a;
  font-size: .78rem;
  line-height: 1.55;
  margin: .25rem 0 0;
  overflow-wrap: anywhere;
}

.e18-writing-ai-preview__grid em {
  color: #71549c;
  font-style: normal;
  font-weight: 850;
}

.e18-writing-ai-preview__boundary {
  align-items: flex-start;
  color: #3f596e;
  display: flex;
  font-size: .79rem;
  font-weight: 750;
  gap: .45rem;
  line-height: 1.65;
  margin: .75rem 0 0;
}

.e18-writing-ai-preview__boundary i {
  color: #2a7b6b;
  margin-top: .17rem;
}

.e18-writing-ai__textarea {
  min-height: 4.25rem;
}

.e18-writing-ai__optional,
.e18-writing-ai__technical {
  background: #fff;
  border: 1px solid #d7e5f4;
  border-radius: 12px;
}

.e18-writing-ai__optional > summary,
.e18-writing-ai__technical > summary {
  color: #315675;
  cursor: pointer;
  font-size: .86rem;
  font-weight: 850;
  padding: .75rem .85rem;
}

.e18-writing-ai__optional[open] {
  display: grid;
  gap: .8rem;
  padding-bottom: .85rem;
}

.e18-writing-ai__optional[open] > label {
  margin-inline: .85rem;
}

.e18-writing-ai__technical {
  margin-top: .75rem;
}

.e18-writing-ai__technical p {
  border-top: 1px solid #e3ebf2;
  color: #607287;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: .76rem;
  line-height: 1.6;
  margin: 0;
  overflow-wrap: anywhere;
  padding: .75rem .85rem;
}

.e18-writing-ai__action-row {
  align-items: center;
  display: grid;
  gap: .35rem 1rem;
  grid-template-columns: max-content minmax(0, 1fr);
  margin-top: 1rem;
}

.e18-writing-ai__action-row .e18-writing-ai__status {
  margin: 0;
}

.e18-writing-ai--score {
  order: 2;
}

.e18-writing-ai--score .e18-writing-ai__disclaimer {
  margin-top: .85rem;
}

[data-eiken018-writing-stage="review"] {
  display: flex;
  flex-direction: column;
}

[data-eiken018-writing-stage="review"] > .e18-writing-stage__intro {
  order: 0;
}

.e18-writing-self-check {
  margin-top: 1rem;
  order: 1;
}

.e18-writing-model-card {
  margin-top: 1rem;
  order: 3;
}

.e18-writing-review-card__head {
  align-items: flex-start;
  display: flex;
  gap: .7rem;
}

.e18-writing-review-card__head p {
  color: var(--esk-muted);
  font-size: .86rem;
}

.e18-writing-review-card__number {
  background: var(--esk-accent-soft);
  border-radius: 999px;
  color: var(--esk-accent);
  flex: 0 0 auto;
  font-size: .72rem;
  font-weight: 900;
  padding: .35rem .55rem;
}

.e18-writing-review-option {
  background: #fff;
  border: 1px solid var(--esk-line);
  border-radius: 14px;
  margin-top: 1rem;
  order: 4;
  overflow: hidden;
}

.e18-writing-review-option > summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  gap: .7rem;
  min-height: 58px;
  padding: .8rem 1rem;
}

.e18-writing-review-option > summary > span:first-child {
  align-items: center;
  background: #eceafd;
  border-radius: 10px;
  color: #5549a8;
  display: flex;
  flex: 0 0 auto;
  height: 2.3rem;
  justify-content: center;
  width: 2.3rem;
}

.e18-writing-review-option > summary strong,
.e18-writing-review-option > summary small {
  display: block;
}

.e18-writing-review-option > summary strong {
  color: var(--esk-ink);
}

.e18-writing-review-option > summary small {
  color: var(--esk-muted);
  font-size: .78rem;
  margin-top: .1rem;
}

.e18-writing-review-option .e15-ai-review {
  border: 0;
  border-radius: 0;
  border-top: 1px solid #d8d8f3;
  box-shadow: none;
  margin: 0;
}

.e18-writing-ai-option .e18-writing-ai {
  border: 0;
  border-radius: 0;
  border-top: 1px solid #d8d8f3;
}

.e18-writing-completion {
  background: #f8fafc;
  border: 1px solid var(--esk-line);
  border-radius: 14px;
  display: grid;
  gap: .9rem;
  margin-top: 1rem;
  order: 5;
  padding: 1rem;
}

[data-eiken018-writing-stage="review"] > .e18-writing-stage__actions {
  order: 6;
}

.ew-guide-group {
  background: #fff;
  border: 1px solid #d5e3ee;
  border-radius: 18px;
  margin-top: 1rem;
  overflow: hidden;
  scroll-margin-top: 1rem;
}

.ew-guide-group > summary {
  align-items: center;
  cursor: pointer;
  display: grid;
  gap: .8rem;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  min-height: 76px;
  padding: 1rem 1.2rem;
}

.ew-guide-group > summary::marker {
  color: #7656a7;
}

.ew-guide-group__number {
  align-items: center;
  background: #f2eef9;
  border-radius: 12px;
  color: #7656a7;
  display: flex;
  font-size: .8rem;
  font-weight: 900;
  height: 2.5rem;
  justify-content: center;
}

.ew-guide-group > summary strong,
.ew-guide-group > summary small {
  display: block;
}

.ew-guide-group > summary strong {
  color: #17304d;
  font-size: 1.05rem;
}

.ew-guide-group > summary small {
  color: #64758a;
  font-size: .82rem;
  margin-top: .2rem;
}

.ew-guide-group__body {
  border-top: 1px solid #e0e8ef;
  padding: 0 1.2rem 1.2rem;
}

.ew-guide-group__body > .ew-section:first-child {
  margin-top: 1.2rem;
}

/* EIKEN-017: external-prompt Writing loop and local revision state. */
.e17-writing-stats {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.e16-writing-prompt > p {
  margin: 0;
  white-space: pre-line;
}

.e16-writing-prompt > p + p {
  border-top: 1px solid #e5dfef;
  margin-top: .7rem;
  padding-top: .7rem;
}

.e17-writing-requirements__head {
  align-items: center;
  display: flex;
  gap: .75rem;
  justify-content: space-between;
}

.e17-writing-requirements__head > span {
  background: #edf8f5;
  border: 1px solid #b9ded4;
  border-radius: 999px;
  color: #176a59;
  flex: 0 0 auto;
  font-size: .8rem;
  font-weight: 900;
  padding: .4rem .7rem;
}

.e17-writing-requirements ol {
  display: grid;
  gap: .55rem;
  margin: 1rem 0;
  padding-left: 1.4rem;
}

.e17-writing-requirements li {
  color: #33465d;
  font-size: .9rem;
  font-weight: 750;
  line-height: 1.6;
  padding-left: .15rem;
}

.e17-writing-safety-note,
.e17-writing-storage {
  align-items: flex-start;
  color: #52677a;
  display: flex;
  font-size: .8rem;
  gap: .45rem;
  line-height: 1.65;
  margin: 0;
}

.e17-writing-storage {
  background: #eff8f5;
  border: 1px solid #c9e4dc;
  border-radius: 11px;
  color: #285d52;
  margin-top: .75rem;
  padding: .7rem .8rem;
}

.e17-writing-storage.is-error {
  background: #fff5f2;
  border-color: #efc1b5;
  color: #8c3729;
}

.e17-writing-note-field {
  background: #fbfcfe;
  border: 1px solid #e1e7ed;
  border-radius: 12px;
  padding: .8rem;
}

.e17-writing-note-field.is-required {
  border-left: 4px solid var(--esk-accent);
}

.e17-writing-note-help,
.e17-writing-note-guide {
  display: block;
  font-size: .8rem;
  line-height: 1.55;
}

.e17-writing-note-help {
  color: var(--esk-muted);
}

.e17-writing-note-guide {
  background: #f2f6fa;
  border-radius: 8px;
  color: #425a70;
  margin: .35rem 0 .55rem;
  padding: .45rem .55rem;
}

.e17-writing-workspace {
  align-items: start;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 20rem);
}

.e17-writing-workspace__main {
  min-width: 0;
}

.e17-writing-context {
  position: sticky;
  top: 6.8rem;
}

.e17-writing-context > details {
  background: #fff;
  border: 1px solid var(--esk-line);
  border-radius: 14px;
  overflow: hidden;
}

.e17-writing-context summary {
  align-items: center;
  color: #315675;
  cursor: pointer;
  display: flex;
  font-size: .88rem;
  font-weight: 900;
  gap: .45rem;
  min-height: 48px;
  padding: .75rem .85rem;
}

.e17-writing-context__body {
  border-top: 1px solid #e4eaf0;
  padding: .85rem;
}

.e17-writing-context__label {
  color: var(--esk-accent);
  font-size: .72rem;
  font-weight: 900;
  margin: 0 0 .3rem;
}

.e17-writing-context h3 {
  color: var(--esk-ink);
  font-size: 1rem;
  margin: 0 0 .55rem;
}

.e17-writing-context__body > p:not(.e17-writing-context__label) {
  color: #52677a;
  font-size: .8rem;
  line-height: 1.6;
  margin: .4rem 0;
  overflow-wrap: anywhere;
}

.e17-writing-context__guide {
  background: #edf8f5;
  border-radius: 8px;
  color: #176a59 !important;
  font-weight: 900;
  padding: .45rem .55rem;
}

.e17-writing-context ul {
  color: #425a70;
  font-size: .78rem;
  line-height: 1.55;
  margin: .7rem 0;
  padding-left: 1.2rem;
}

.e17-writing-context dl {
  border-top: 1px solid #e4eaf0;
  display: grid;
  gap: .2rem;
  margin: .75rem 0 0;
  padding-top: .75rem;
}

.e17-writing-context dt {
  color: #7656a7;
  font-size: .72rem;
  font-weight: 900;
}

.e17-writing-context dd {
  color: #34475c;
  font-size: .8rem;
  line-height: 1.55;
  margin: 0 0 .55rem;
  overflow-wrap: anywhere;
}

.e17-writing-draft-card,
.e17-writing-revision-card {
  display: grid;
  gap: .85rem;
}

.e17-writing-draft-complete {
  align-items: center;
  display: flex;
  gap: .8rem;
  justify-content: space-between;
}

.e17-writing-draft-complete p {
  color: var(--esk-muted);
  font-size: .8rem;
  line-height: 1.55;
  margin: 0;
}

.e17-writing-revision-card {
  margin-top: 1rem;
}

.e17-writing-revised-head {
  border-top: 1px solid #e1e7ed;
  margin-top: .2rem;
  padding-top: .9rem;
}

.e17-writing-revision-card .esk-input {
  background: #fff;
  border: 1px solid #bdc9d6;
  border-radius: 10px;
  color: var(--esk-ink);
  font: inherit;
  font-size: .95rem;
  min-height: 46px;
  padding: .65rem .75rem;
  width: 100%;
}

.e17-writing-revision-card .esk-textarea {
  min-height: 12rem;
}

.e17-writing-prompt-output {
  min-height: 13rem;
}

.esk-lab[data-skill="writing"] :is(button, select, textarea, input, summary, a):focus-visible {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--esk-accent) 24%, transparent);
  outline: 2px solid var(--esk-accent);
  outline-offset: 2px;
}

@media (max-width: 767.98px) {
  .e17-writing-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .e17-writing-workspace {
    grid-template-columns: minmax(0, 1fr);
  }

  .e17-writing-context {
    grid-row: 1;
    position: static;
  }

  .e17-writing-draft-complete {
    align-items: stretch;
    flex-direction: column;
  }

  .e17-writing-draft-complete .esk-button,
  .e17-writing-revision-card > .esk-button {
    width: 100%;
  }

  .e18-writing-stage-nav-wrap {
    margin-inline: -.2rem;
    padding: .55rem;
  }

  .e18-writing-stage-nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow-x: visible;
    padding-bottom: 0;
  }

  .e18-writing-stage-nav button {
    flex-direction: column;
    font-size: .78rem;
    gap: .25rem;
    justify-content: center;
    line-height: 1.25;
    min-height: 58px;
    padding-inline: .25rem;
  }

  .e18-writing-stage__intro {
    align-items: flex-start;
    flex-direction: column;
  }

  .e18-writing-plan-cues {
    grid-template-columns: 1fr;
  }

  .e18-writing-ai-preview__grid {
    grid-template-columns: 1fr;
  }

  .e18-writing-stage__actions,
  .e18-writing-stage__actions--split {
    align-items: stretch;
    flex-direction: column;
  }

  .e18-writing-stage__actions .esk-button {
    width: 100%;
  }

  .e18-writing-ai__action-row {
    grid-template-columns: 1fr;
  }

  .e18-writing-ai__action-row .e13-action {
    width: 100%;
  }

  .e18-writing-draft-card .esk-textarea {
    min-height: 13rem;
  }
}

@media (max-width: 575.98px) {
  .e17-writing-stats {
    grid-template-columns: 1fr;
  }

  .e17-writing-prompt-output,
  .esk-lab[data-skill="writing"] .e15-ai-review__output {
    min-height: 12rem;
  }

  .e17-writing-requirements__head {
    align-items: flex-start;
    flex-direction: column;
  }

  .e18-writing-stage-current {
    margin-left: .2rem;
  }

  .e18-writing-stage__intro {
    padding: .8rem;
  }

  .e18-writing-ai__header {
    gap: .6rem;
  }

  .e18-writing-review-option > summary,
  .ew-guide-group > summary {
    padding-inline: .85rem;
  }

  .ew-guide-group__body {
    padding-inline: .85rem;
  }
}