:root {
  --navy: #0b1f33;
  --navy-2: #102a45;
  --navy-3: #173a5b;
  --gold: #c9a45c;
  --gold-light: #e2c887;
  --ivory: #f5f0e6;
  --ivory-2: #ebe3d4;
  --white: #fffdf8;
  --ink: #152433;
  --muted: #64717e;
  --line: rgba(18, 42, 63, 0.16);
  --shell: 1180px;
  --shadow: 0 24px 70px rgba(5, 21, 35, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--white);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
    "Yu Gothic", "YuGothic", "Noto Sans JP", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.02em;
}

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

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

button {
  font: inherit;
}

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

.section {
  padding: 112px 0;
}

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

.section-ivory {
  background: var(--ivory);
}

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

.section-gold {
  background: var(--gold);
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  height: 76px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(11, 31, 51, 0.94);
  padding: 0 max(24px, calc((100vw - var(--shell)) / 2));
  color: var(--white);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 1px;
  line-height: 1.2;
}

.brand-name {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand-sub {
  color: var(--gold-light);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 13px;
  font-weight: 700;
}

.nav > a {
  transition: color 0.2s ease;
}

.nav > a:hover {
  color: var(--gold-light);
}

.nav-cta {
  border: 1px solid var(--gold);
  padding: 9px 18px;
  color: var(--gold-light);
}

.menu-button {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-top: 76px;
}

.hero::before {
  position: absolute;
  top: 76px;
  right: 0;
  width: 44%;
  height: 70%;
  background:
    linear-gradient(rgba(201, 164, 92, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 164, 92, 0.07) 1px, transparent 1px);
  background-size: 42px 42px;
  content: "";
  mask-image: linear-gradient(to left, black, transparent);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 690px;
  align-items: center;
  gap: 72px;
  grid-template-columns: 1.08fr 0.92fr;
  padding-block: 88px 74px;
}

.eyebrow,
.section-label {
  margin: 0 0 22px;
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.hero h1,
.section-heading h2,
.first-copy h2,
.instructor-copy h2,
.contact-copy h2,
.scope-card h2 {
  margin: 0;
  font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(45px, 5vw, 72px);
  line-height: 1.25;
}

h1 em,
h2 em {
  color: var(--gold-light);
  font-style: normal;
}

.hero-lead {
  max-width: 660px;
  margin: 32px 0 0;
  color: rgba(255, 253, 248, 0.78);
  font-size: 17px;
  line-height: 2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 16px;
  border: 1px solid transparent;
  padding: 13px 24px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

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

.button-gold {
  background: var(--gold);
  color: var(--navy);
}

.button-gold:hover {
  background: var(--gold-light);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--white);
}

.button-navy {
  width: 100%;
  cursor: pointer;
  background: var(--navy);
  color: var(--white);
}

.note {
  margin: 22px 0 0;
  color: rgba(255, 253, 248, 0.54);
  font-size: 12px;
}

.hero-board {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  border: 1px solid rgba(201, 164, 92, 0.3);
  background: var(--navy-2);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.22);
}

.grid-lines {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 36px 36px;
}

.equation {
  position: absolute;
  color: rgba(255, 255, 255, 0.22);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  font-style: italic;
}

.equation-a {
  top: 58px;
  right: 46px;
}

.equation-b {
  bottom: 66px;
  left: 38px;
}

.curve {
  position: absolute;
  right: -40px;
  bottom: -75px;
  width: 430px;
  height: 370px;
  border-top: 4px solid var(--gold);
  border-radius: 50%;
  transform: rotate(-28deg);
}

.curve::after {
  position: absolute;
  top: -11px;
  right: 8px;
  width: 18px;
  height: 18px;
  border-top: 4px solid var(--gold);
  border-right: 4px solid var(--gold);
  content: "";
  transform: rotate(16deg);
}

.curve-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 3px solid var(--navy-2);
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 1px var(--gold);
}

.curve-dot-a {
  top: -7px;
  left: 120px;
}

.curve-dot-b {
  top: 48px;
  right: 35px;
}

.hero-card {
  position: absolute;
  z-index: 2;
  right: 34px;
  bottom: 34px;
  display: flex;
  width: 260px;
  flex-direction: column;
  border-left: 3px solid var(--gold);
  background: rgba(11, 31, 51, 0.92);
  padding: 22px 24px;
  box-shadow: var(--shadow);
}

.hero-card span {
  color: var(--gold-light);
  font-size: 11px;
  font-weight: 800;
}

.hero-card strong {
  margin-top: 4px;
  font-size: 24px;
}

.hero-card small {
  color: rgba(255, 255, 255, 0.58);
}

.hero-seal {
  position: absolute;
  top: 42%;
  left: 14%;
  display: grid;
  width: 96px;
  height: 96px;
  place-items: center;
  border: 1px solid rgba(201, 164, 92, 0.72);
  border-radius: 50%;
  color: var(--gold-light);
  font-family: "Yu Mincho", "YuMincho", serif;
  font-size: 17px;
  line-height: 1.45;
  text-align: center;
}

.hero-seal::before {
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(201, 164, 92, 0.3);
  border-radius: 50%;
  content: "";
}

.hero-points {
  position: relative;
  z-index: 2;
  display: grid;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  grid-template-columns: repeat(3, 1fr);
}

.hero-points article {
  display: grid;
  padding: 24px 30px 28px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  gap: 3px;
  grid-template-columns: 38px 1fr;
}

.hero-points article:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-points span {
  color: var(--gold);
  font-family: Georgia, serif;
  grid-row: 1 / 3;
}

.hero-points strong {
  font-size: 14px;
}

.hero-points small {
  color: rgba(255, 255, 255, 0.55);
  font-size: 11px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 56px;
}

.section-heading h2,
.first-copy h2,
.instructor-copy h2,
.contact-copy h2 {
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.45;
}

.section-heading > p:last-child,
.first-copy > p,
.instructor-copy > p,
.contact-copy > p {
  margin: 24px 0 0;
  color: var(--muted);
  line-height: 2;
}

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

.heading-light > p:last-child {
  color: rgba(255, 255, 255, 0.62);
}

.heading-row {
  display: grid;
  max-width: none;
  align-items: end;
  gap: 72px;
  grid-template-columns: 0.85fr 1.15fr;
}

.heading-row > p {
  margin: 0;
}

.scenario-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, 1fr);
}

.scenario-card,
.subject-card,
.scope-card {
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.68);
}

.scenario-card {
  position: relative;
  min-height: 280px;
  padding: 42px;
}

.scenario-card::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 70px;
  height: 3px;
  background: var(--gold);
  content: "";
}

.scenario-card > span {
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: 12px;
}

.scenario-card h3,
.subject-card h3,
.first-steps h3,
.lesson-list h3,
.outcome-grid h3,
.dm-card h3 {
  margin: 18px 0 10px;
  font-family: "Yu Mincho", "YuMincho", serif;
  font-size: 22px;
  line-height: 1.6;
}

.scenario-card p,
.subject-card p,
.first-steps p,
.lesson-list p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.first-grid {
  display: grid;
  align-items: start;
  gap: 96px;
  grid-template-columns: 0.82fr 1.18fr;
}

.first-price {
  display: inline-flex;
  flex-direction: column;
  margin-top: 38px;
  border-left: 3px solid var(--gold);
  padding: 5px 0 5px 22px;
}

.first-price span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.first-price strong {
  font-family: Georgia, serif;
  font-size: 42px;
  line-height: 1.2;
}

.first-price small {
  margin-left: 8px;
  font-family: inherit;
  font-size: 13px;
}

.first-steps,
.lesson-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.first-steps li,
.lesson-list li {
  display: grid;
  gap: 22px;
  grid-template-columns: 54px 1fr;
}

.first-steps li {
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
}

.first-steps li:first-child {
  padding-top: 0;
}

.first-steps > li > span,
.lesson-list > li > span {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: 12px;
}

.first-steps h3,
.lesson-list h3 {
  margin: 0 0 5px;
}

.compact {
  padding: 88px 0;
}

.outcome-grid {
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, 0.12);
  grid-template-columns: repeat(3, 1fr);
}

.outcome-grid article {
  min-height: 190px;
  background: var(--navy);
  padding: 30px;
}

.outcome-grid span {
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: 12px;
}

.outcome-grid h3 {
  margin-top: 26px;
  color: var(--white);
  font-size: 18px;
}

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

.subject-card {
  min-height: 250px;
  padding: 34px;
  transition:
    border-color 0.2s ease,
    transform 0.2s ease;
}

.subject-card:hover {
  border-color: rgba(201, 164, 92, 0.8);
  transform: translateY(-3px);
}

.subject-card > span {
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: 10px;
  letter-spacing: 0.12em;
}

.lesson-grid {
  display: grid;
  align-items: start;
  gap: 88px;
  grid-template-columns: 0.95fr 1.05fr;
}

.lesson-list {
  position: relative;
}

.lesson-list::before {
  position: absolute;
  top: 26px;
  bottom: 26px;
  left: 22px;
  width: 1px;
  background: var(--ivory-2);
  content: "";
}

.lesson-list li {
  position: relative;
  padding: 0 0 34px;
}

.lesson-list li > span {
  z-index: 1;
  background: var(--white);
}

.plan-grid {
  display: grid;
  align-items: stretch;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}

.plan-card {
  position: relative;
  display: flex;
  min-height: 480px;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 38px;
}

.plan-card.featured {
  border-color: var(--gold);
  background: var(--navy-2);
}

.plan-badge {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--gold);
  padding: 5px 12px;
  color: var(--navy);
  font-size: 10px;
}

.plan-label {
  color: var(--gold-light);
  font-family: Georgia, serif;
  font-size: 10px;
  letter-spacing: 0.14em;
}

.plan-card h3 {
  margin: 20px 0 24px;
  font-family: "Yu Mincho", "YuMincho", serif;
  font-size: 23px;
}

.plan-price {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  padding-bottom: 24px;
}

.plan-price strong {
  font-family: Georgia, serif;
  font-size: 39px;
  line-height: 1;
}

.plan-price span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 11px;
}

.plan-card ul {
  margin: 26px 0 30px;
  padding: 0;
  list-style: none;
}

.plan-card li {
  position: relative;
  margin: 8px 0;
  padding-left: 19px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.plan-card li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: var(--gold);
  content: "✓";
}

.plan-card > a {
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 18px;
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 800;
}

.plan-note {
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.46);
  font-size: 11px;
}

.instructor-grid {
  display: grid;
  align-items: center;
  gap: 100px;
  grid-template-columns: 0.7fr 1.3fr;
}

.instructor-mark {
  position: relative;
  display: grid;
  aspect-ratio: 1;
  place-content: center;
  border: 1px solid rgba(201, 164, 92, 0.55);
  background:
    linear-gradient(rgba(201, 164, 92, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 164, 92, 0.06) 1px, transparent 1px);
  background-color: var(--navy);
  background-size: 32px 32px;
  color: var(--white);
  text-align: center;
}

.instructor-mark::after {
  position: absolute;
  inset: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  content: "";
}

.instructor-mark span {
  font-family: Georgia, serif;
  font-size: 72px;
  line-height: 1;
}

.instructor-mark small {
  margin-top: 12px;
  color: var(--gold-light);
  font-family: Georgia, serif;
  font-size: 9px;
  letter-spacing: 0.2em;
}

.instructor-name {
  color: var(--ink) !important;
  font-size: 18px;
  font-weight: 800;
}

.trust-grid {
  display: grid;
  gap: 1px;
  margin-top: 34px;
  background: rgba(18, 42, 63, 0.14);
  grid-template-columns: repeat(3, 1fr);
}

.trust-grid span {
  background: var(--ivory);
  padding: 18px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.6;
}

.scope-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, 1fr);
}

.scope-card {
  padding: 46px;
}

.scope-card h2 {
  font-size: 32px;
}

.scope-card ul {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.scope-card li {
  position: relative;
  border-top: 1px solid var(--line);
  padding: 13px 0 13px 28px;
  font-size: 14px;
}

.scope-card li::before {
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 900;
}

.scope-card.can li::before {
  content: "○";
}

.scope-card.cannot li::before {
  color: var(--muted);
  content: "×";
}

.faq-grid {
  display: grid;
  align-items: start;
  gap: 92px;
  grid-template-columns: 0.72fr 1.28fr;
}

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

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

.faq-list summary {
  display: flex;
  cursor: pointer;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  font-size: 14px;
  font-weight: 800;
  list-style: none;
}

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

.faq-list summary span {
  color: var(--gold);
  font-size: 23px;
  font-weight: 400;
  transition: transform 0.2s ease;
}

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

.faq-list details p {
  margin: -4px 0 24px;
  padding-right: 40px;
  color: var(--muted);
  font-size: 13px;
}

.contact {
  padding: 104px 0;
  color: var(--navy);
}

.contact-grid {
  display: grid;
  align-items: start;
  gap: 84px;
  grid-template-columns: 1fr 0.9fr;
}

.contact .section-label {
  color: var(--navy);
}

.contact-copy h2 em {
  color: var(--navy);
}

.contact-copy > p {
  color: rgba(11, 31, 51, 0.72);
}

.contact-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.contact-tags span {
  border: 1px solid rgba(11, 31, 51, 0.35);
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 800;
}

.dm-card {
  background: var(--white);
  box-shadow: var(--shadow);
  padding: 38px;
}

.dm-label {
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: 10px;
  letter-spacing: 0.18em;
}

.dm-card h3 {
  margin: 14px 0 20px;
}

.dm-card pre {
  overflow: auto;
  margin: 0 0 18px;
  border: 1px solid var(--ivory-2);
  background: var(--ivory);
  padding: 20px;
  color: var(--ink);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.8;
  white-space: pre-wrap;
}

.instagram-link {
  display: block;
  margin-top: 18px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #071726;
  padding: 40px 0;
  color: var(--white);
}

.not-found {
  display: grid;
  min-height: 100dvh;
  place-content: center;
  background: var(--navy);
  padding: 48px 24px;
  color: var(--white);
  text-align: center;
}

.not-found h1 {
  margin: 0;
  font-family: "Yu Mincho", "YuMincho", serif;
  font-size: clamp(32px, 6vw, 56px);
}

.not-found > p:not(.section-label) {
  margin: 18px 0 32px;
  color: rgba(255, 255, 255, 0.62);
}

.not-found .button {
  justify-self: center;
}

.footer-grid {
  display: grid;
  align-items: end;
  gap: 28px;
  grid-template-columns: 1fr auto;
}

.footer-grid strong {
  font-family: Georgia, serif;
  font-size: 18px;
}

.footer-grid p {
  margin: 3px 0 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 11px;
}

.footer-grid > a {
  color: var(--gold-light);
  font-size: 12px;
}

.footer-grid small {
  color: rgba(255, 255, 255, 0.34);
  font-size: 10px;
  grid-column: 1 / -1;
}

@media (max-width: 960px) {
  .hero-grid,
  .first-grid,
  .lesson-grid,
  .instructor-grid,
  .contact-grid,
  .faq-grid {
    gap: 56px;
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: 0;
  }

  .hero-board {
    min-height: 420px;
  }

  .scenario-grid,
  .scope-grid {
    grid-template-columns: 1fr 1fr;
  }

  .subject-grid,
  .plan-grid {
    grid-template-columns: 1fr 1fr;
  }

  .plan-card:last-child {
    grid-column: 1 / -1;
  }

  .instructor-mark {
    max-width: 460px;
  }

  .heading-row {
    gap: 30px;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(calc(100% - 36px), var(--shell));
  }

  .section {
    padding: 78px 0;
  }

  .site-header {
    height: 68px;
    padding-inline: 18px;
  }

  .brand-name {
    font-size: 17px;
  }

  .brand-sub {
    font-size: 7px;
  }

  .nav {
    position: fixed;
    inset: 68px 0 0;
    display: none;
    height: calc(100dvh - 68px);
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    background: var(--navy);
    padding: 28px;
  }

  .nav.is-open {
    display: flex;
  }

  .nav > a {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding: 18px 4px;
    font-size: 16px;
  }

  .nav-cta {
    margin-top: 16px;
    border: 1px solid var(--gold) !important;
    text-align: center;
  }

  .menu-button {
    display: grid;
    width: 42px;
    height: 42px;
    cursor: pointer;
    place-content: center;
    border: 0;
    background: transparent;
    gap: 7px;
  }

  .menu-button span {
    display: block;
    width: 24px;
    height: 1px;
    background: var(--white);
    transition: transform 0.2s ease;
  }

  .menu-button.is-open span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .menu-button.is-open span:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  .hero {
    padding-top: 68px;
  }

  .hero::before {
    top: 68px;
    width: 100%;
  }

  .hero-grid {
    gap: 48px;
    padding-block: 66px 54px;
  }

  .eyebrow,
  .section-label {
    margin-bottom: 16px;
  }

  .hero h1 {
    font-size: clamp(31px, 9vw, 36px);
    line-height: 1.34;
  }

  .hero-lead {
    margin-top: 24px;
    font-size: 15px;
    line-height: 1.9;
  }

  .hero-actions {
    display: grid;
    margin-top: 28px;
  }

  .button {
    width: 100%;
  }

  .note {
    line-height: 1.65;
  }

  .hero-board {
    min-height: 340px;
  }

  .equation-a {
    top: 28px;
    right: 20px;
    font-size: 19px;
  }

  .equation-b {
    display: none;
  }

  .curve {
    right: -54px;
    bottom: -84px;
    width: 390px;
    height: 300px;
    border-top-width: 3px;
    transform: rotate(-24deg);
  }

  .curve::after {
    display: none;
  }

  .hero-card {
    right: 16px;
    bottom: 16px;
    width: calc(100% - 32px);
    padding: 18px 20px;
  }

  .hero-card strong {
    font-size: clamp(26px, 8vw, 32px);
  }

  .hero-seal {
    top: 27%;
    left: 7%;
    width: 86px;
    height: 86px;
    font-size: 15px;
  }

  .hero-points {
    grid-template-columns: 1fr;
  }

  .hero-points article,
  .hero-points article:last-child {
    border-right: 1px solid rgba(255, 255, 255, 0.12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding: 20px 18px;
  }

  .section-heading {
    margin-bottom: 40px;
  }

  .section-heading h2,
  .first-copy h2,
  .instructor-copy h2,
  .contact-copy h2 {
    font-size: clamp(31px, 9.5vw, 42px);
    line-height: 1.5;
  }

  .section-heading > p:last-child,
  .first-copy > p,
  .instructor-copy > p,
  .contact-copy > p {
    margin-top: 18px;
    font-size: 14px;
    line-height: 1.9;
  }

  .heading-row,
  .scenario-grid,
  .scope-grid,
  .subject-grid,
  .plan-grid,
  .outcome-grid {
    grid-template-columns: 1fr;
  }

  .heading-row {
    align-items: start;
  }

  .scenario-card {
    min-height: 0;
    padding: 30px 26px;
  }

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

  .first-price {
    margin-top: 26px;
  }

  .first-price strong {
    font-size: 38px;
  }

  .first-steps li,
  .lesson-list li {
    gap: 16px;
    grid-template-columns: 46px 1fr;
  }

  .first-steps > li > span,
  .lesson-list > li > span {
    width: 40px;
    height: 40px;
  }

  .outcome-grid {
    gap: 0;
    background: transparent;
  }

  .outcome-grid article {
    min-height: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    padding: 26px 0;
  }

  .outcome-grid h3 {
    margin-top: 12px;
  }

  .subject-card {
    min-height: 0;
    padding: 28px 26px;
  }

  .plan-card,
  .plan-card:last-child {
    min-height: 0;
    padding: 32px 26px;
    grid-column: auto;
  }

  .plan-price strong {
    font-size: 37px;
  }

  .instructor-mark {
    width: 100%;
    max-width: 100%;
  }

  .instructor-mark span {
    font-size: 64px;
  }

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

  .scope-card {
    padding: 34px 26px;
  }

  .scope-card h2 {
    font-size: 28px;
  }

  .faq-list summary {
    align-items: flex-start;
  }

  .faq-list details p {
    padding-right: 0;
  }

  .contact {
    padding: 78px 0;
  }

  .dm-card {
    padding: 28px 22px;
  }

  .footer-grid {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .footer-grid small {
    grid-column: auto;
  }
}

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

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