:root {
  --bg: #f4efe5;
  --paper: rgba(255, 252, 246, 0.78);
  --paper-strong: #fffaf0;
  --ink: #1f2522;
  --muted: #68746d;
  --line: rgba(35, 49, 43, 0.13);
  --green: #2f7567;
  --green-dark: #173f38;
  --teal: #6aa9a2;
  --clay: #b99067;
  --shadow: 0 28px 80px rgba(42, 55, 48, 0.16);
  --radius: 26px;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: "Sora", "IBM Plex Sans", "Avenir Next", ui-sans-serif, system-ui, sans-serif;
  background:
    radial-gradient(circle at 18% 12%, rgba(106, 169, 162, 0.16), transparent 28rem),
    linear-gradient(135deg, #f7f1e7 0%, #ede6d9 100%);
}

a {
  color: inherit;
}

.login-page {
  background:
    linear-gradient(90deg, rgba(244, 239, 229, 0.34), rgba(255, 252, 246, 0.86)),
    url("/portal-static/aivan-background.png") left center / cover no-repeat,
    var(--bg);
}

.login-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 430px);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: center;
  min-height: 100vh;
  width: min(1180px, calc(100% - 3rem));
  margin: 0 auto;
  padding: clamp(1.5rem, 5vw, 4rem) 0;
}

.login-copy h1,
.hero-card h1,
.frame-head h1 {
  margin: 0;
  font-size: clamp(3.2rem, 9vw, 7.2rem);
  line-height: 0.88;
  letter-spacing: -0.075em;
}

.login-copy p:not(.eyebrow),
.hero-card p {
  max-width: 630px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.22rem);
  line-height: 1.65;
}

.login-card,
.hero-card,
.panel,
.app-card,
.topbar,
.frame-head {
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.login-card {
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border-radius: 32px;
}

.login-card h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.05em;
}

.subtle {
  color: var(--muted);
  line-height: 1.55;
}

.login-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.35rem;
}

label {
  display: grid;
  gap: 0.45rem;
  color: var(--green-dark);
  font-size: 0.82rem;
  font-weight: 800;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.9rem 1rem;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.68);
  font: inherit;
}

input:focus {
  outline: 0;
  border-color: rgba(47, 117, 103, 0.5);
  box-shadow: 0 0 0 4px rgba(47, 117, 103, 0.12);
}

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.78rem 1.05rem;
  border: 0;
  border-radius: 999px;
  color: #fffaf0;
  background: var(--green-dark);
  font: 800 0.92rem/1.1 inherit;
  text-decoration: none;
  cursor: pointer;
}

button:hover,
.button:hover {
  background: #0f302a;
}

.button.secondary,
.ghost-button {
  border: 1px solid var(--line);
  color: var(--green-dark);
  background: rgba(255, 252, 246, 0.66);
}

.form-error {
  margin-top: 1rem;
  padding: 0.8rem 0.95rem;
  border: 1px solid rgba(168, 75, 52, 0.28);
  border-radius: 16px;
  color: #893922;
  background: rgba(255, 235, 226, 0.72);
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--green-dark);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.topbar {
  position: sticky;
  top: 1rem;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: min(1180px, calc(100% - 2rem));
  margin: 1rem auto 0;
  padding: 0.72rem;
  border-radius: 999px;
}

.brand,
.topbar-actions,
.switcher summary {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.brand {
  padding-left: 0.2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  color: #fffaf0;
  background: var(--green-dark);
  font-size: 0.78rem;
}

.switcher {
  position: relative;
}

.switcher summary {
  min-height: 2.75rem;
  padding: 0 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 252, 246, 0.72);
  cursor: pointer;
  list-style: none;
  font-weight: 800;
}

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

.grid-icon {
  width: 1rem;
  height: 1rem;
  background:
    radial-gradient(circle, currentColor 38%, transparent 42%) 0 0 / 50% 50%,
    radial-gradient(circle, currentColor 38%, transparent 42%) 100% 0 / 50% 50%,
    radial-gradient(circle, currentColor 38%, transparent 42%) 0 100% / 50% 50%,
    radial-gradient(circle, currentColor 38%, transparent 42%) 100% 100% / 50% 50%;
}

.switcher-menu {
  position: absolute;
  top: calc(100% + 0.65rem);
  right: 0;
  display: grid;
  gap: 0.35rem;
  min-width: 260px;
  padding: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 252, 246, 0.94);
  box-shadow: var(--shadow);
}

.switcher-menu p {
  margin: 0.35rem 0.45rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.switcher-menu a {
  display: grid;
  gap: 0.18rem;
  padding: 0.72rem 0.8rem;
  border-radius: 16px;
  text-decoration: none;
}

.mobile-logout {
  display: none;
  margin-top: 0.35rem;
  padding-top: 0.45rem;
  border-top: 1px solid var(--line);
}

.mobile-logout button {
  display: grid;
  justify-content: start;
  width: 100%;
  min-height: 0;
  padding: 0.72rem 0.8rem;
  border-radius: 16px;
  color: var(--green-dark);
  background: transparent;
  text-align: left;
}

.switcher-menu a:hover,
.switcher-menu a.active,
.mobile-logout button:hover {
  background: rgba(47, 117, 103, 0.1);
}

.switcher-menu small,
.mobile-logout small,
.meta-row,
.activity-list span,
.lesson-row p {
  color: var(--muted);
}

.main {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 4rem;
}

.main.narrow {
  width: min(1080px, calc(100% - 2rem));
}

.hero-card {
  margin-top: 1rem;
  padding: clamp(2rem, 6vw, 4.5rem);
  border-radius: var(--radius);
  background:
    linear-gradient(115deg, rgba(255, 252, 246, 0.82), rgba(255, 252, 246, 0.52)),
    url("/portal-static/aivan-background.png") left center / cover no-repeat;
}

.hero-card h1 {
  max-width: 860px;
}

.app-grid,
.stats-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

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

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

.app-card {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto auto auto;
  min-height: 280px;
  padding: 1.35rem;
  border-radius: 24px;
  overflow: hidden;
  text-decoration: none;
}

.app-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: var(--green);
}

.app-card.teal::before {
  background: var(--teal);
}

.app-card.quiet::before {
  background: var(--clay);
}

.app-card h2 {
  align-self: end;
  margin: 2.25rem 0 0;
  font-size: 2rem;
  letter-spacing: -0.05em;
}

.app-card p {
  margin: 0.55rem 0;
  color: var(--muted);
  line-height: 1.55;
}

.app-card strong {
  align-self: end;
  justify-self: end;
  margin-top: 1rem;
  color: var(--green-dark);
}

.app-kicker {
  color: var(--green-dark);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.75rem;
  font-size: 0.84rem;
}

.meta-row span {
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 252, 246, 0.54);
}

.stats-grid article,
.panel {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 252, 246, 0.74);
}

.stats-grid article {
  padding: 1.15rem;
}

.stats-grid span {
  display: block;
  font-size: 2.45rem;
  font-weight: 900;
  letter-spacing: -0.05em;
}

.stats-grid p {
  margin: 0;
  color: var(--muted);
}

.panel {
  margin-top: 1rem;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.panel-header,
.lesson-row,
.frame-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.lesson-list {
  display: grid;
  gap: 1rem;
}

.lesson-row {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.5);
}

.lesson-row h3 {
  margin: 0 0 0.25rem;
}

code {
  padding: 0.18rem 0.42rem;
  border-radius: 0.4rem;
  background: rgba(47, 117, 103, 0.1);
}

.activity-list {
  display: grid;
  gap: 0.65rem;
  padding-left: 1.25rem;
}

.frame-shell {
  width: min(1280px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 2rem;
}

.frame-head {
  align-items: center;
  margin: 1rem 0;
  padding: 1rem 1.25rem;
  border-radius: 24px;
}

.frame-head h1 {
  font-size: clamp(1.8rem, 4vw, 3.4rem);
}

.app-frame {
  display: block;
  width: 100%;
  height: calc(100vh - 9rem);
  min-height: 680px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow);
}

.lesson-frame {
  min-height: 760px;
}

.lesson-app {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 4rem;
}

.lesson-app-head,
.lesson-progress-card,
.lesson-sidebar,
.lesson-section-card {
  border: 1px solid var(--line);
  background: rgba(255, 252, 246, 0.8);
  box-shadow: var(--shadow);
}

.lesson-app-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border-radius: var(--radius);
}

.lesson-app-head h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 4.8rem);
  line-height: 0.94;
  letter-spacing: -0.06em;
}

.lesson-app-subtitle {
  margin: 0.75rem 0 0;
  color: var(--muted);
}

.lesson-progress-card {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 22px;
}

.lesson-progress-card > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
}

.lesson-progress-card strong {
  color: var(--green-dark);
}

.lesson-progress-bar {
  height: 0.7rem;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(47, 117, 103, 0.12);
}

.lesson-progress-bar span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--green-dark));
  transition: width 0.2s ease;
}

.lesson-progress-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.lesson-workspace {
  display: grid;
  grid-template-columns: minmax(230px, 0.34fr) minmax(0, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.lesson-sidebar,
.lesson-section-card {
  border-radius: 24px;
}

.lesson-sidebar {
  position: sticky;
  top: 6rem;
  align-self: start;
  padding: 1rem;
}

.lesson-sidebar h2 {
  margin: 0 0 0.85rem;
  font-size: 1rem;
}

.lesson-nav {
  display: grid;
  gap: 0.55rem;
}

.lesson-nav button {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  text-align: left;
  color: #17352f;
  background: rgba(255, 254, 250, 0.92);
}

.lesson-nav button strong {
  color: #17352f;
}

.lesson-nav button span {
  display: grid;
  place-items: center;
  width: 1.65rem;
  height: 1.65rem;
  border-radius: 999px;
  background: rgba(47, 117, 103, 0.12);
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 900;
}

.lesson-nav button.active {
  border-color: var(--green-dark);
  color: #0f2925;
  background: #e7f1ed;
}

.lesson-nav button.active strong {
  color: #0f2925;
}

.lesson-nav button.done {
  color: #17352f;
  background: #f5fbf8;
}

.lesson-nav button.done strong {
  color: #17352f;
}

.lesson-nav button.done span {
  background: var(--green-dark);
  color: #fffdf6;
}

.lesson-stage {
  display: grid;
  gap: 1rem;
}

.lesson-section-card {
  min-height: 520px;
  padding: clamp(1.25rem, 4vw, 3rem);
  color: #16231f;
}

.lesson-section-card h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.lesson-section-card p,
.lesson-section-card li,
.lesson-section-card dd {
  font-size: 1.08rem;
  line-height: 1.65;
}

.lesson-goals {
  display: grid;
  gap: 0.65rem;
  padding-left: 1.2rem;
}

.example-grid {
  display: grid;
  gap: 0.85rem;
  margin: 0;
}

.example-grid div,
.lesson-audio,
.reading-block {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
}

.example-grid dt {
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.example-grid dd {
  margin: 0;
}

.jp {
  font-size: clamp(1.65rem, 5vw, 2.8rem) !important;
  line-height: 1.35 !important;
  letter-spacing: -0.02em;
}

.kana {
  color: var(--green-dark);
}

.lesson-audio {
  display: grid;
  gap: 0.65rem;
  margin: 0 0 1rem;
}

.lesson-audio figcaption {
  color: var(--green-dark);
  font-weight: 800;
}

.lesson-audio audio {
  width: 100%;
}

.choice-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.choice-grid button {
  min-height: 3.2rem;
  text-align: left;
  font-weight: 800;
}

.choice-grid button.correct {
  border-color: #2f7c52;
  background: rgba(47, 124, 82, 0.14);
}

.choice-grid button.wrong {
  border-color: #a94c52;
  background: rgba(169, 76, 82, 0.12);
}

.lesson-feedback {
  color: var(--green-dark);
  font-weight: 800;
}

.lesson-actions {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 0.65rem;
}

.lesson-actions button:last-child {
  justify-self: end;
  min-width: 10rem;
}

.briefing-page {
  --briefing-ink: #1f261e;
  --briefing-gold: #8a5b1f;
}

.briefing-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.briefing-hero audio {
  width: min(360px, 100%);
}

.audio-missing {
  max-width: 360px;
  color: var(--muted);
  font-size: 0.9rem;
}

.briefing-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.briefing-days,
.briefing-section {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 252, 246, 0.86);
  box-shadow: var(--shadow);
}

.briefing-days {
  position: sticky;
  top: 6rem;
  align-self: start;
  display: grid;
  gap: 0.45rem;
  padding: 1rem;
}

.briefing-days a {
  padding: 0.55rem 0.7rem;
  border-radius: 14px;
  color: var(--briefing-ink);
  text-decoration: none;
}

.briefing-days a.active,
.briefing-days a:hover {
  background: rgba(138, 91, 31, 0.12);
}

.briefing-feed {
  display: grid;
  gap: 1rem;
}

.briefing-section {
  padding: clamp(1.1rem, 3vw, 2rem);
}

.briefing-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.briefing-section h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.freshness {
  padding: 0.38rem 0.6rem;
  border-radius: 999px;
  color: #4c3618;
  background: #f2dfbb;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: capitalize;
  white-space: nowrap;
}

.freshness.today {
  color: #184a3f;
  background: #dff0ea;
}

.freshness.missing {
  color: #6b4d15;
  background: #f8ecd2;
}

.briefing-summary {
  color: var(--briefing-ink);
  font-size: 1.08rem;
  line-height: 1.6;
}

.weather-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1rem 0 0;
}

.weather-grid div,
.briefing-items section {
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
}

.weather-grid dt {
  color: var(--muted);
  font-size: 0.78rem;
}

.weather-grid dd {
  margin: 0.25rem 0 0;
  font-size: 1.45rem;
  font-weight: 900;
}

.briefing-items {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.briefing-items h3 {
  margin: 0 0 0.35rem;
  font-size: 1.12rem;
}

.briefing-items p {
  margin: 0;
  line-height: 1.55;
}

.briefing-items small,
.source-line {
  display: block;
  margin-top: 0.6rem;
  color: var(--muted);
  line-height: 1.4;
}

@media (max-width: 820px) {
  .login-shell,
  .app-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    display: flex;
    gap: 0.75rem;
    margin: 1rem -1rem 0;
    padding: 0 1rem 0.35rem;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
  }

  .stats-grid::-webkit-scrollbar {
    display: none;
  }

  .stats-grid article {
    display: flex;
    flex-direction: column-reverse;
    justify-content: space-between;
    flex: 0 0 168px;
    min-height: 118px;
    padding: 0.9rem;
    border-radius: 20px;
    scroll-snap-align: start;
  }

  .stats-grid span {
    align-self: center;
    font-size: 3rem;
    line-height: 1;
  }

  .stats-grid p {
    margin: 0;
    font-size: 0.78rem;
    line-height: 1.3;
  }

  .login-shell {
    align-content: center;
  }

  .login-copy h1 {
    font-size: clamp(3rem, 18vw, 5rem);
  }

  .topbar,
  .frame-head,
  .panel-header,
  .lesson-row {
    align-items: stretch;
  }

  .topbar {
    top: 0.5rem;
    align-items: center;
    width: min(100% - 1rem, 1180px);
    margin-top: 0.5rem;
    padding: 0.45rem;
    border-radius: 999px;
  }

  .topbar-actions {
    flex-direction: row;
    gap: 0.4rem;
  }

  .desktop-logout {
    display: none;
  }

  .mobile-logout {
    display: block;
  }

  .frame-head,
  .panel-header,
  .lesson-row {
    flex-direction: column;
  }

  .brand {
    gap: 0.45rem;
    font-size: 0.92rem;
  }

  .brand-mark {
    width: 2rem;
    height: 2rem;
    font-size: 0.7rem;
  }

  .switcher summary {
    min-height: 2.35rem;
    padding: 0 0.75rem;
    font-size: 0.86rem;
  }

  .switcher-menu {
    position: fixed;
    top: 4.35rem;
    left: auto;
    right: 0.75rem;
    width: min(15.5rem, calc(100vw - 1.5rem));
    min-width: 0;
  }

  .lesson-app {
    width: 100%;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    padding-bottom: 1.25rem;
  }

  .lesson-app-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 0.5rem;
    margin-top: 0.55rem;
    padding: 0.6rem 0.65rem 0.45rem;
    border-bottom: 0;
    border-radius: 16px 16px 0 0;
    background: rgba(255, 252, 246, 0.94);
    box-shadow: 0 8px 18px rgba(34, 62, 54, 0.06);
  }

  .lesson-app-head .eyebrow {
    margin-bottom: 0.2rem;
    font-size: 0.62rem;
  }

  .lesson-app-head h1 {
    display: -webkit-box;
    overflow: hidden;
    font-size: clamp(1.15rem, 5.8vw, 1.65rem);
    line-height: 1.05;
    letter-spacing: -0.045em;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .lesson-app-subtitle {
    overflow: hidden;
    margin-top: 0.25rem;
    color: #49645c;
    font-size: 0.68rem;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .lesson-app-head .button {
    min-height: 0;
    padding: 0.42rem 0.55rem;
    border-radius: 999px;
    font-size: 0.72rem;
    line-height: 1;
  }

  .lesson-progress-card {
    gap: 0.28rem;
    margin-top: 0;
    padding: 0.42rem 0.65rem 0.55rem;
    border-top: 0;
    border-radius: 0 0 16px 16px;
    background: rgba(255, 252, 246, 0.96);
    box-shadow: 0 8px 18px rgba(34, 62, 54, 0.06);
  }

  .lesson-progress-card p {
    overflow: hidden;
    font-size: 0.68rem;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .lesson-progress-card > div:first-child {
    font-size: 0.72rem;
  }

  .lesson-progress-bar {
    height: 0.35rem;
  }

  .lesson-workspace {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.55rem;
    margin-top: 0.5rem;
    width: 100%;
  }

  .lesson-stage {
    width: 100%;
    min-width: 0;
  }

  .lesson-sidebar {
    display: none;
  }

  .lesson-section-card {
    width: 100%;
    min-height: 0;
    padding: 0.9rem;
    border-radius: 18px;
    background: rgba(255, 252, 246, 0.98);
  }

  .lesson-section-card h2 {
    margin-bottom: 0.65rem;
    font-size: clamp(1.65rem, 8.5vw, 2.45rem);
    line-height: 1;
  }

  .lesson-section-card p,
  .lesson-section-card li,
  .lesson-section-card dd {
    font-size: 0.95rem;
    line-height: 1.45;
  }

  .lesson-section-card .eyebrow {
    margin-bottom: 0.45rem;
    font-size: 0.68rem;
  }

  .example-grid {
    gap: 0.55rem;
  }

  .example-grid div,
  .lesson-audio,
  .reading-block {
    padding: 0.7rem;
    border-color: rgba(47, 117, 103, 0.18);
    border-radius: 14px;
    background: #fffefa;
  }

  .example-grid dt {
    margin-bottom: 0.25rem;
    font-size: 0.65rem;
  }

  .jp {
    font-size: clamp(1.35rem, 7vw, 2.05rem) !important;
    line-height: 1.25 !important;
  }

  .reading-block {
    display: grid;
    gap: 0.35rem;
  }

  .reading-block p {
    margin: 0;
  }

  .lesson-audio {
    gap: 0.45rem;
    margin-bottom: 0.55rem;
  }

  .lesson-audio figcaption {
    font-size: 0.82rem;
  }

  .lesson-audio audio {
    height: 36px;
  }

  .choice-grid {
    gap: 0.5rem;
    margin-top: 0.7rem;
  }

  .choice-grid button {
    min-height: 2.75rem;
    padding: 0.75rem;
  }

  .lesson-actions {
    position: static;
    bottom: auto;
    width: 100%;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    padding: 0.5rem;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 252, 246, 0.97);
    box-shadow: var(--shadow);
  }

  .lesson-actions button {
    width: 100%;
  }

  .lesson-actions button:last-child {
    grid-column: 1 / -1;
    justify-self: stretch;
    min-width: 0;
  }

  .briefing-hero {
    display: grid;
    padding: 1rem;
  }

  .briefing-hero h1 {
    font-size: clamp(2rem, 12vw, 3.5rem);
  }

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

  .briefing-days {
    position: static;
    display: flex;
    gap: 0.5rem;
    padding: 0;
    overflow-x: auto;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .briefing-days .eyebrow {
    display: none;
  }

  .briefing-days a {
    flex: 0 0 auto;
    border: 1px solid var(--line);
    background: rgba(255, 252, 246, 0.9);
  }

  .briefing-section {
    padding: 1rem;
    border-radius: 20px;
  }

  .briefing-section h2 {
    font-size: clamp(1.8rem, 9vw, 2.7rem);
  }

  .briefing-section-head {
    gap: 0.75rem;
  }

  .freshness {
    padding: 0.32rem 0.48rem;
    font-size: 0.68rem;
  }

  .briefing-summary {
    font-size: 0.98rem;
  }

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

@media (max-width: 380px) {
  .brand span:last-child {
    display: none;
  }
}