:root {
  --cream: #f7f7f4;
  --paper: #ffffff;
  --mint: #e4f8f6;
  --pale-blue: #e7f4f5;
  --teal: #1aa6a6;
  --teal-band: #2d94a0;
  --teal-dark: #0f7f84;
  --coral: #e83e7c;
  --coral-soft: #ffe1ec;
  --pink: #e94f86;
  --gold: #c99943;
  --gold-soft: #f7e7bd;
  --navy: #123047;
  --charcoal: #333333;
  --muted: #68787e;
  --line: rgba(18, 48, 71, 0.12);
  --shadow: 0 20px 54px rgba(18, 48, 71, 0.13);
  --radius: 8px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--charcoal);
  background: var(--cream);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", Meiryo, sans-serif;
  line-height: 1.78;
  letter-spacing: 0;
  overflow-x: clip;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

p,
h1,
h2,
h3 {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--navy);
  line-height: 1.38;
  font-weight: 800;
}

h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.8rem);
  line-height: 1.28;
  margin-bottom: 1.1rem;
}

h2 {
  font-size: clamp(1.8rem, 4.6vw, 3rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.16rem;
  margin-bottom: 0.55rem;
}

.heading-lines {
  line-break: strict;
  overflow-wrap: normal;
  text-wrap: balance;
  word-break: keep-all;
}

.heading-lines .line {
  display: block;
  min-width: 0;
}

.heading-lines .heading-line {
  display: block;
  min-width: 0;
}

.nowrap {
  white-space: nowrap;
}

.mobile-line {
  display: inline;
}

.break-md,
.break-sm {
  display: inline;
}

.desktop-br {
  display: block;
}

.mobile-br {
  display: none;
}

.container {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
}

.section {
  padding: clamp(64px, 10vw, 116px) 0;
}

.section + .section {
  padding-top: clamp(58px, 8vw, 98px);
}

.visual-band {
  background:
    radial-gradient(circle at 10% 0%, rgba(255, 255, 255, 0.8), transparent 28%),
    linear-gradient(135deg, rgba(26, 166, 166, 0.08), rgba(232, 62, 124, 0.05)),
    var(--pale-blue);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 247, 244, 0.92);
  border-bottom: 1px solid rgba(23, 138, 131, 0.16);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 46px;
  width: 46px;
  height: 46px;
  background: transparent;
  border-radius: 0;
  overflow: visible;
}

.brand-mark-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: transparent;
}

.brand-en,
.brand-ja {
  display: block;
  line-height: 1.25;
}

.brand-en {
  color: var(--navy);
  font-weight: 900;
}

.brand-ja {
  color: var(--muted);
  font-size: 0.78rem;
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: clamp(0.6rem, 1.5vw, 1.25rem);
  color: var(--navy);
  font-size: 0.9rem;
}

.site-nav a,
.footer-links a {
  text-decoration: none;
}

.site-nav a:hover,
.footer-links a:hover {
  color: var(--teal);
}

.mobile-nav-cta {
  display: none;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  gap: 0.5rem;
  padding: 0.82rem 1.32rem;
  border-radius: 999px;
  font-weight: 900;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.header-cta::after,
.button::after {
  content: "→";
  font-size: 1rem;
  line-height: 1;
  transform: translateY(-1px);
}

.header-cta,
.button-primary {
  color: #fff;
  background: #06c755;
  box-shadow: 0 12px 26px rgba(6, 199, 85, 0.22);
}

.button-secondary {
  color: var(--navy);
  background: rgba(255, 225, 236, 0.78);
  border: 1px solid rgba(232, 62, 124, 0.26);
}

.button-secondary.light {
  background: rgba(255, 255, 255, 0.92);
}

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

.button-primary:hover,
.header-cta:hover {
  box-shadow: 0 16px 34px rgba(6, 199, 85, 0.3);
}

.button-secondary:hover {
  background: #fff0f5;
  box-shadow: 0 12px 26px rgba(232, 62, 124, 0.12);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--navy);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 1px solid transparent;
}

.eyebrow {
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.55rem;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(48px, 6.4vw, 82px);
  padding-bottom: clamp(58px, 7.5vw, 92px);
  background:
    radial-gradient(circle at 13% 14%, rgba(232, 62, 124, 0.13), transparent 26%),
    radial-gradient(circle at 86% 10%, rgba(26, 166, 166, 0.16), transparent 31%),
    radial-gradient(circle at 58% 92%, rgba(247, 231, 189, 0.48), transparent 28%),
    linear-gradient(135deg, #fbfaf5 0%, #f7f7f4 58%, #fff7ee 100%),
    var(--cream);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(380px, 0.75fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4.25rem);
}

.hero-copy {
  max-width: 720px;
  min-width: 0;
}

.hero h1 {
  max-width: 720px;
  font-size: clamp(2rem, 3.2vw, 2.4rem);
  line-height: 1.24;
  letter-spacing: 0;
  margin-bottom: 1.15rem;
}

.hero-heading {
  word-break: keep-all;
}

.hero-accent-coral {
  color: var(--coral);
}

.hero-accent-teal {
  color: var(--teal-dark);
  text-decoration: underline;
  text-decoration-color: rgba(232, 62, 124, 0.36);
  text-decoration-thickness: 0.18em;
  text-underline-offset: -0.04em;
}

.hero-lead {
  color: #33464d;
  font-size: clamp(1rem, 1.65vw, 1.14rem);
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: 1.05rem;
}

.hero-badges {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.58rem;
  margin: 1.05rem 0 1rem;
}

.hero-badges div {
  padding: 0.72rem 0.78rem;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(26, 166, 166, 0.18);
  border-radius: 16px;
  box-shadow: 0 12px 24px rgba(18, 48, 71, 0.07);
}

.hero-badges strong,
.hero-badges span {
  display: block;
}

.hero-badges strong {
  color: var(--coral);
  font-size: clamp(1.34rem, 2.1vw, 1.62rem);
  line-height: 1.1;
}

.hero-badges span {
  color: var(--navy);
  font-size: 0.75rem;
  font-weight: 900;
}

.line-bonus-badge {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.25rem 0.72rem;
  align-items: center;
  max-width: 650px;
  margin: 0.92rem 0 0.2rem;
  padding: 0.84rem 0.98rem;
  color: var(--navy);
  background:
    radial-gradient(circle at 96% 18%, rgba(255, 225, 236, 0.72), transparent 34%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(255, 249, 231, 0.92));
  border: 1px solid rgba(201, 153, 61, 0.28);
  border-left: 5px solid var(--coral);
  border-radius: 18px;
  box-shadow: 0 14px 28px rgba(18, 48, 71, 0.07);
}

.line-bonus-badge span {
  grid-row: span 2;
  display: inline-flex;
  width: fit-content;
  padding: 0.24rem 0.62rem;
  color: #fff;
  background: var(--teal);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 950;
  white-space: nowrap;
}

.line-bonus-badge strong {
  color: var(--coral);
  font-size: clamp(1.02rem, 1.8vw, 1.18rem);
  line-height: 1.25;
}

.line-bonus-badge p {
  margin-bottom: 0;
  color: #4d6269;
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.55;
}

.hero .cta-row {
  margin: 1.2rem 0 0.85rem;
}

.hero .button {
  min-height: 54px;
  padding-inline: 1.48rem;
}

.hero .button-primary {
  box-shadow: 0 16px 34px rgba(6, 199, 85, 0.28);
}

.hero .button-secondary {
  background: rgba(255, 225, 236, 0.68);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
  margin: 1.4rem 0 0.9rem;
}

.cta-row.center {
  justify-content: center;
}

.small-note {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 0;
}

.hero-note {
  display: flex;
  gap: 0.58rem;
  align-items: flex-start;
  max-width: 650px;
  padding: 0.78rem 0.9rem;
  color: #53666d;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(26, 166, 166, 0.16);
  border-radius: 16px;
}

.hero-note::before {
  content: "";
  flex: 0 0 10px;
  width: 10px;
  height: 10px;
  margin-top: 0.55em;
  background: var(--teal);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(26, 166, 166, 0.12);
}

.hero-visual {
  position: relative;
  display: grid;
  gap: 0.8rem;
  min-width: 0;
}

.hero-visual-card {
  position: relative;
  display: grid;
  place-items: center;
  min-height: clamp(350px, 36vw, 490px);
  padding: clamp(0.85rem, 1.8vw, 1.35rem);
  background:
    radial-gradient(circle at 20% 18%, rgba(247, 231, 189, 0.82), transparent 22%),
    radial-gradient(circle at 88% 22%, rgba(255, 225, 236, 0.88), transparent 24%),
    rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(26, 166, 166, 0.16);
  border-radius: 24px;
  box-shadow: 0 26px 64px rgba(18, 48, 71, 0.13);
  overflow: hidden;
}

.hero-photo-card {
  place-items: stretch;
  padding: clamp(0.78rem, 1.6vw, 1.16rem);
  background:
    radial-gradient(circle at 10% 8%, rgba(247, 231, 189, 0.62), transparent 24%),
    radial-gradient(circle at 92% 14%, rgba(255, 225, 236, 0.72), transparent 24%),
    rgba(255, 255, 255, 0.94);
}

.hero-illustration {
  width: 100%;
  max-width: 570px;
  max-height: 430px;
  object-fit: contain;
  filter: drop-shadow(0 18px 20px rgba(18, 48, 71, 0.12));
}

.hero-illustration.hero-photo {
  justify-self: center;
  max-width: 640px;
  max-height: 430px;
  border-radius: 22px;
  object-fit: contain;
  filter: none;
  box-shadow: 0 18px 36px rgba(18, 48, 71, 0.11);
}

.hero-visual-badges {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  width: 100%;
  margin-top: 1rem;
}

.hero-visual-badges span {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  min-height: 56px;
  padding: 0.76rem 0.88rem;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(26, 166, 166, 0.18);
  border-radius: 16px;
  font-size: 0.9rem;
  font-weight: 900;
  line-height: 1.45;
  white-space: normal;
  word-break: keep-all;
  overflow-wrap: normal;
  box-shadow: 0 10px 22px rgba(18, 48, 71, 0.07);
}

.hero-visual-badges span::before {
  content: "";
  flex: 0 0 10px;
  width: 10px;
  height: 10px;
  background: var(--teal);
  border-radius: 50%;
}

.hero-visual-badges span:nth-child(2)::before {
  background: var(--coral);
}

.split {
  display: grid;
  grid-template-columns: minmax(240px, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.split > *,
.intro-panel > *,
.operator-grid > * {
  min-width: 0;
  max-width: 100%;
}

.problem-grid {
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  align-items: center;
}

.problem h2 {
  max-width: 640px;
}

.problem .split > div:first-child p {
  max-width: 660px;
  color: #43575f;
}

.problem-side {
  position: relative;
  display: grid;
  gap: 1rem;
  max-width: 100%;
  min-width: 0;
  padding: clamp(1rem, 3vw, 1.4rem);
  background:
    radial-gradient(circle at 16% 12%, rgba(247, 231, 189, 0.72), transparent 22%),
    radial-gradient(circle at 88% 4%, rgba(255, 225, 236, 0.68), transparent 24%),
    rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(26, 166, 166, 0.12);
  border-radius: 26px;
  box-shadow: 0 20px 48px rgba(18, 48, 71, 0.08);
}

.problem-main-illust {
  width: min(100%, 360px);
  margin-inline: auto;
  filter: drop-shadow(0 18px 22px rgba(18, 48, 71, 0.12));
}

.problem-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.82rem;
}

.problem-cards article,
.visual-card,
.learning-grid article,
.reassurance-list article,
.comparison article,
.teacher-card,
.offer-card,
.flow-list li,
.faq-list details {
  background: var(--paper);
  border: 1px solid rgba(18, 48, 71, 0.08);
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(18, 48, 71, 0.07);
}

.problem-cards article {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  min-height: 86px;
  padding: 0.92rem 1rem;
  border: 1px solid rgba(26, 166, 166, 0.14);
  border-bottom: 4px solid var(--teal);
  border-radius: 18px;
  box-shadow: 0 12px 26px rgba(18, 48, 71, 0.06);
}

.problem-cards article:nth-child(even) {
  border-bottom-color: var(--coral);
}

.problem-cards article span {
  display: grid;
  place-items: center;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  color: #fff;
  background: var(--teal);
  border-radius: 50%;
  font-weight: 950;
  line-height: 1;
}

.problem-cards article:nth-child(even) span {
  background: var(--coral);
}

.problem-cards p,
.visual-card p,
.learning-grid p,
.reassurance-list p,
.flow-list p {
  margin-bottom: 0;
}

.summary-strip {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  margin-top: clamp(1.4rem, 4vw, 2.2rem);
  padding: 1.22rem clamp(1.15rem, 3vw, 1.65rem);
  color: var(--navy);
  background:
    linear-gradient(90deg, rgba(228, 248, 246, 0.96), rgba(247, 231, 189, 0.46)),
    var(--mint);
  border: 1px solid rgba(23, 138, 131, 0.2);
  border-radius: 22px;
  box-shadow: 0 14px 32px rgba(18, 48, 71, 0.06);
}

.summary-strip strong {
  font-size: 1.05rem;
  line-height: 1.45;
}

.summary-strip span {
  color: #4d636a;
}

.intro-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.55fr);
  gap: clamp(1.5rem, 4vw, 2.6rem);
  align-items: center;
  padding: clamp(1.5rem, 4.5vw, 2.8rem);
  background:
    radial-gradient(circle at 8% 8%, rgba(247, 231, 189, 0.72), transparent 18%),
    linear-gradient(135deg, #fff, rgba(231, 244, 245, 0.72));
  border: 1px solid rgba(26, 166, 166, 0.1);
  border-radius: 26px;
  box-shadow: 0 26px 68px rgba(18, 48, 71, 0.1);
}

.concept-flow {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.8rem, 2vw, 1rem);
  min-height: auto;
  padding: 1.15rem;
  background:
    radial-gradient(circle at 50% 8%, rgba(255, 225, 236, 0.72), transparent 24%),
    linear-gradient(160deg, rgba(26, 166, 166, 0.12), rgba(255, 255, 255, 0.2));
  border-radius: 22px;
}

.concept-flow::before {
  content: "";
  position: absolute;
  top: 50%;
  right: 3.4rem;
  bottom: auto;
  left: 3.4rem;
  z-index: -1;
  width: auto;
  height: 8px;
  background: linear-gradient(var(--teal), var(--coral), var(--gold));
  border-radius: 999px;
  transform: translateY(-50%);
  opacity: 0.78;
}

.concept-flow span {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 88px;
  padding: 0.85rem 1rem;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(26, 166, 166, 0.18);
  border-radius: 18px;
  font-weight: 900;
  text-align: center;
  box-shadow: 0 14px 28px rgba(18, 48, 71, 0.08);
}

.concept-flow span::before {
  content: "01";
  position: absolute;
  top: -0.62rem;
  left: 0.9rem;
  display: grid;
  place-items: center;
  width: 42px;
  height: 24px;
  color: #fff;
  background: var(--teal);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 950;
  letter-spacing: 0;
}

.concept-flow span:nth-child(2)::before {
  content: "02";
  background: var(--coral);
}

.concept-flow span:nth-child(3)::before {
  content: "03";
  background: var(--gold);
}

.concept-flow span:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  bottom: auto;
  left: auto;
  z-index: 2;
  width: 13px;
  height: 13px;
  background: #fff;
  border-right: 4px solid var(--coral);
  border-bottom: 4px solid var(--coral);
  transform: translate(68%, -50%) rotate(-45deg);
}

.concept-card {
  align-self: stretch;
  display: grid;
  align-content: center;
  max-width: 100%;
  min-width: 0;
  padding: clamp(1.35rem, 3vw, 1.7rem);
  color: var(--navy);
  background:
    radial-gradient(circle at 85% 15%, rgba(255, 255, 255, 0.82), transparent 28%),
    linear-gradient(135deg, var(--gold-soft), var(--coral-soft));
  border-radius: 20px;
  box-shadow: 0 16px 34px rgba(232, 62, 124, 0.09);
}

.concept-card span {
  display: block;
  color: var(--teal-dark);
  font-size: clamp(1.3rem, 2.4vw, 1.62rem);
  font-weight: 900;
  line-height: 1.35;
  margin-bottom: 0.5rem;
}

.concept-card p {
  margin-bottom: 0;
}

.section-heading {
  max-width: 780px;
  margin: 0 auto clamp(2rem, 5vw, 3.25rem);
  text-align: center;
}

.features-showcase,
.teachers,
.pricing,
.faq,
.final-cta {
  background: var(--paper);
}

.features-showcase {
  background:
    radial-gradient(circle at 8% 8%, rgba(228, 248, 246, 0.72), transparent 24%),
    radial-gradient(circle at 92% 14%, rgba(255, 225, 236, 0.62), transparent 24%),
    linear-gradient(180deg, #fff, rgba(247, 247, 244, 0.92));
}

.problem.visual-band {
  background: var(--paper);
}

.intro,
.difference,
.operator.visual-band {
  background:
    radial-gradient(circle at 90% 0%, rgba(247, 231, 189, 0.48), transparent 24%),
    var(--pale-blue);
}

.learning.visual-band,
.flow {
  background: var(--cream);
}

.reassurance {
  background: var(--paper);
}

.section-heading h2::after {
  content: "";
  display: block;
  width: 74px;
  height: 5px;
  margin: 0.75rem auto 0;
  background: linear-gradient(90deg, var(--teal), var(--coral));
  border-radius: 999px;
}

.big-feature-list {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
}

.big-feature {
  position: relative;
  display: grid;
  grid-template-columns: minmax(112px, 0.28fr) minmax(310px, 0.96fr) minmax(0, 1.08fr);
  gap: clamp(1.5rem, 4.4vw, 3.4rem);
  align-items: center;
  padding: clamp(1.9rem, 5.2vw, 3.8rem);
  border: 0;
  border-radius: 30px;
  background:
    radial-gradient(circle at 94% 12%, rgba(247, 231, 189, 0.64), transparent 20%),
    linear-gradient(135deg, rgba(26, 166, 166, 0.05), rgba(255, 255, 255, 0.98) 42%),
    #fff;
  border: 1px solid rgba(26, 166, 166, 0.1);
  box-shadow: 0 30px 76px rgba(18, 48, 71, 0.11);
  overflow: hidden;
}

.big-feature > * {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.big-feature::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  opacity: 0.2;
  transform: translate(42%, -42%);
}

.feature-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.3rem;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  color: #fff;
  background: var(--coral);
  border-radius: 50%;
  font-size: 0.84rem;
  font-weight: 950;
  box-shadow: 0 14px 26px rgba(232, 62, 124, 0.22);
  transform: rotate(-7deg);
}

.big-feature.teal::after {
  background: var(--teal);
}

.big-feature.coral::after {
  background: var(--coral);
}

.big-feature.gold::after {
  background: var(--gold);
}

.big-feature.coral .feature-art {
  background:
    radial-gradient(circle at 16% 14%, rgba(255, 255, 255, 0.94), transparent 22%),
    linear-gradient(150deg, rgba(255, 225, 236, 0.9), rgba(228, 248, 246, 0.5));
}

.big-feature.gold {
  background:
    radial-gradient(circle at 94% 10%, rgba(247, 231, 189, 0.72), transparent 22%),
    linear-gradient(135deg, rgba(201, 153, 67, 0.055), rgba(255, 255, 255, 0.98) 42%),
    #fff;
}

.big-feature.gold .feature-art {
  background:
    radial-gradient(circle at 16% 14%, rgba(255, 255, 255, 0.94), transparent 22%),
    linear-gradient(150deg, rgba(247, 231, 189, 0.82), rgba(228, 248, 246, 0.5));
}

.feature-number {
  color: var(--teal);
  font-size: clamp(5.2rem, 10.8vw, 8.9rem);
  font-weight: 950;
  line-height: 1;
  letter-spacing: 0;
  text-shadow: 0 10px 0 rgba(26, 166, 166, 0.08);
}

.big-feature.coral .feature-number {
  color: var(--teal);
}

.big-feature.gold .feature-number {
  color: var(--teal);
}

.feature-art {
  display: grid;
  place-items: center;
  position: relative;
  z-index: 1;
  min-height: 300px;
  padding: clamp(0.75rem, 1.8vw, 1.1rem);
  background:
    radial-gradient(circle at 18% 14%, rgba(255, 255, 255, 0.94), transparent 22%),
    linear-gradient(150deg, rgba(228, 248, 246, 0.92), rgba(255, 225, 236, 0.46));
  border-radius: 26px;
}

.feature-art img {
  width: min(100%, 460px);
  aspect-ratio: 4 / 3;
  object-fit: contain;
  filter: drop-shadow(0 16px 16px rgba(18, 48, 71, 0.12));
}

.big-feature:nth-child(even) {
  grid-template-columns: minmax(112px, 0.28fr) minmax(0, 1.08fr) minmax(310px, 0.96fr);
  background:
    radial-gradient(circle at 6% 8%, rgba(255, 225, 236, 0.6), transparent 20%),
    linear-gradient(135deg, rgba(232, 62, 124, 0.045), rgba(255, 255, 255, 0.98) 44%),
    #fff;
}

.big-feature:nth-child(even) .feature-art {
  order: 3;
}

.big-feature:nth-child(even) > div:last-child {
  order: 2;
}

.big-feature h3 {
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  line-height: 1.36;
}

.feature-benefit {
  position: relative;
  margin: 0 0 0.78rem;
  padding-left: 1rem;
  color: var(--teal-dark);
  font-weight: 900;
  line-height: 1.65;
}

.feature-benefit::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 0.48rem;
  height: 0.48rem;
  background: var(--coral);
  border-radius: 50%;
}

.pill-list,
.comparison ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 1rem 0 0;
  list-style: none;
}

.pill-list li,
.tag-row span {
  padding: 0.35rem 0.7rem;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(23, 138, 131, 0.16);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 800;
}

.cta-band {
  position: relative;
  overflow: hidden;
  padding: clamp(42px, 7vw, 72px) 0;
  background: var(--teal-band);
}

.cta-band::before {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: min(38vw, 380px);
  height: min(38vw, 380px);
  background: rgba(232, 62, 124, 0.16);
  border-radius: 50%;
  transform: translate(45%, -50%);
}

.cta-band.soft {
  background:
    radial-gradient(circle at 12% 20%, rgba(255, 255, 255, 0.9), transparent 24%),
    radial-gradient(circle at 88% 10%, rgba(255, 225, 236, 0.9), transparent 26%),
    var(--pale-blue);
}

.cta-band-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.2rem;
  justify-items: center;
  text-align: center;
  max-width: 850px;
}

.cta-band-inner > div {
  display: grid;
  gap: 0.45rem;
}

.cta-band h2,
.cta-band .eyebrow {
  color: #fff;
  margin-bottom: 0;
}

.cta-band h2 {
  font-size: clamp(1.45rem, 3.5vw, 2.35rem);
  line-height: 1.42;
}

.cta-band.soft h2 {
  color: var(--navy);
}

.cta-band.soft .eyebrow {
  color: var(--teal);
}

.cta-band-note,
.cta-band-subnote {
  max-width: 680px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 800;
  line-height: 1.8;
}

.cta-band-note {
  font-size: 0.96rem;
}

.cta-band-subnote {
  font-size: 0.86rem;
}

.cta-band.soft .cta-band-note,
.cta-band.soft .cta-band-subnote {
  color: #4c626a;
}

.cta-band-subnote::before {
  content: "";
  display: inline-block;
  width: 0.52rem;
  height: 0.52rem;
  margin-right: 0.4rem;
  background: var(--coral);
  border-radius: 999px;
  vertical-align: 0.02em;
}

.question-band {
  position: relative;
  overflow: hidden;
  padding: clamp(38px, 7vw, 68px) 0;
  color: #fff;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.12), transparent 24%),
    linear-gradient(135deg, var(--teal-dark), var(--teal-band));
}

.question-band::before,
.question-band::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 110%;
  height: 38px;
  background: rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  transform: translateX(-50%);
}

.question-band::before {
  top: -24px;
}

.question-band::after {
  bottom: -28px;
}

.question-band-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.question-band-inner::before {
  content: "?";
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: -1;
  color: rgba(255, 255, 255, 0.1);
  font-size: clamp(7rem, 18vw, 13rem);
  font-weight: 950;
  line-height: 1;
  transform: translate(-50%, -52%) rotate(-9deg);
}

.question-band p {
  margin: 0;
  color: #fff;
  font-size: clamp(1.45rem, 4vw, 2.5rem);
  font-weight: 900;
  line-height: 1.4;
}

.question-band-text {
  display: grid;
  gap: 0.15em;
}

.question-band-text span {
  display: block;
}

.visual-card-grid {
  display: grid;
  gap: 1rem;
}

.audience-sheet,
.flow-visual {
  position: relative;
  margin: 0 auto clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(0.25rem, 1.5vw, 0.8rem);
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.audience-sheet::before,
.flow-visual::before {
  content: "";
  position: absolute;
  inset: 8% 5%;
  z-index: 0;
  background:
    radial-gradient(circle at 10% 18%, rgba(247, 231, 189, 0.42), transparent 24%),
    radial-gradient(circle at 92% 18%, rgba(255, 225, 236, 0.46), transparent 28%),
    linear-gradient(135deg, rgba(26, 166, 166, 0.06), rgba(232, 62, 124, 0.04));
  border-radius: 28px;
}

.learning-visual {
  position: relative;
  margin: 0 auto clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(0.75rem, 2vw, 1rem);
  background:
    radial-gradient(circle at 8% 12%, rgba(247, 231, 189, 0.88), transparent 18%),
    radial-gradient(circle at 92% 20%, rgba(255, 225, 236, 0.92), transparent 20%),
    #fff;
  border: 1px solid rgba(26, 166, 166, 0.16);
  border-radius: var(--radius);
  box-shadow: 0 18px 42px rgba(18, 48, 71, 0.09);
}

.audience-sheet {
  max-width: 960px;
}

.flow-visual {
  max-width: 980px;
}

.learning-visual {
  max-width: 520px;
}

.audience-sheet img,
.flow-visual img,
.learning-visual img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  max-height: 430px;
  object-fit: contain;
  background: transparent;
}

.learning-visual img {
  max-height: 280px;
}

.audience-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(0.65rem, 1.4vw, 1rem);
  counter-reset: audience;
  align-items: start;
}

.visual-card {
  position: relative;
  counter-increment: audience;
  min-height: 100%;
  padding: 1.45rem 1rem 1.1rem;
  overflow: visible;
  border: 0;
  border-radius: 18px;
  background:
    linear-gradient(#fff, #fff) padding-box,
    linear-gradient(180deg, rgba(26, 166, 166, 0.45), rgba(26, 166, 166, 0.08)) border-box;
  box-shadow: 0 14px 32px rgba(18, 48, 71, 0.055);
}

.visual-card::before {
  content: counter(audience, decimal-leading-zero);
  position: absolute;
  top: -18px;
  left: 50%;
  display: grid;
  place-items: center;
  width: 50px;
  height: 32px;
  color: #fff;
  background: var(--teal);
  border: 4px solid var(--cream);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 950;
  line-height: 1;
  transform: translateX(-50%);
  box-shadow: 0 10px 20px rgba(18, 48, 71, 0.1);
}

.visual-card:nth-child(even) {
  margin-top: 1.1rem;
  background:
    linear-gradient(#fff, #fff) padding-box,
    linear-gradient(180deg, rgba(232, 62, 124, 0.42), rgba(232, 62, 124, 0.08)) border-box;
}

.visual-card:nth-child(even)::before {
  background: var(--coral);
}

.visual-card::after {
  content: "";
  position: absolute;
  top: -44px;
  left: 50%;
  z-index: -1;
  width: 2px;
  height: 28px;
  background: linear-gradient(var(--teal), transparent);
  transform: translateX(-50%);
}

.visual-card h3,
.visual-card p {
  position: relative;
  z-index: 1;
}

.visual-card h3 {
  font-size: 1.03rem;
}

.learning-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(26, 166, 166, 0.12);
  border-radius: 24px;
  box-shadow: 0 18px 44px rgba(18, 48, 71, 0.07);
}

.learning-grid article {
  position: relative;
  min-height: 100%;
  padding: clamp(1rem, 2vw, 1.35rem);
  border: 0;
  border-radius: 0;
  background:
    linear-gradient(180deg, rgba(231, 244, 245, 0.52), rgba(255, 255, 255, 0));
  box-shadow: none;
}

.learning-grid article:not(:last-child) {
  border-right: 1px solid rgba(18, 48, 71, 0.08);
}

.learning-grid article:nth-child(even) {
  background:
    linear-gradient(180deg, rgba(255, 225, 236, 0.48), rgba(255, 255, 255, 0));
}

.learning-grid h3,
.learning-grid p {
  position: relative;
  z-index: 1;
}

.learning-grid h3 {
  display: grid;
  gap: 0.45rem;
  font-size: 1rem;
}

.learning-grid h3::before {
  content: "";
  width: 34px;
  height: 6px;
  background: var(--teal);
  border-radius: 999px;
}

.learning-grid article:nth-child(even) h3::before {
  background: var(--coral);
}

.materials-preview {
  background:
    radial-gradient(circle at 8% 8%, rgba(228, 248, 246, 0.72), transparent 24%),
    radial-gradient(circle at 92% 14%, rgba(255, 225, 236, 0.62), transparent 24%),
    linear-gradient(180deg, #fff, rgba(247, 247, 244, 0.92));
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2.6vw, 1.4rem);
  align-items: stretch;
}

.material-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(26, 166, 166, 0.14);
  border-radius: 24px;
  box-shadow: 0 18px 42px rgba(18, 48, 71, 0.08);
}

.material-image {
  display: grid;
  place-items: center;
  min-height: 300px;
  padding: 1rem;
  background:
    radial-gradient(circle at 12% 10%, rgba(247, 231, 189, 0.55), transparent 28%),
    linear-gradient(135deg, rgba(228, 248, 246, 0.7), rgba(255, 255, 255, 0.82));
}

.material-image img {
  display: block;
  width: 100%;
  max-height: 340px;
  object-fit: contain;
  border-radius: 14px;
  box-shadow: 0 14px 28px rgba(18, 48, 71, 0.1);
}

.material-zoom-trigger {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 16px;
  cursor: zoom-in;
}

.material-zoom-trigger img {
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.material-zoom-trigger:hover img,
.material-zoom-trigger:focus-visible img {
  transform: translateY(-2px) scale(1.015);
}

.material-zoom-trigger:focus-visible {
  outline: 3px solid rgba(26, 166, 166, 0.32);
  outline-offset: 4px;
}

.material-zoom-hint {
  position: absolute;
  right: 0.7rem;
  bottom: 0.7rem;
  padding: 0.28rem 0.58rem;
  color: #fff;
  background: rgba(18, 48, 71, 0.78);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 900;
  line-height: 1.25;
  pointer-events: none;
}

.material-body {
  display: grid;
  gap: 0.55rem;
  align-content: start;
  min-width: 0;
  padding: clamp(1.05rem, 2.5vw, 1.35rem);
}

.material-label {
  display: inline-flex;
  width: fit-content;
  padding: 0.22rem 0.62rem;
  color: var(--teal-dark);
  background: rgba(228, 248, 246, 0.92);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 950;
  line-height: 1.35;
}

.material-card:nth-child(2) .material-label {
  color: #a82958;
  background: rgba(255, 225, 236, 0.92);
}

.material-card:nth-child(3) .material-label {
  color: #7f5f19;
  background: rgba(247, 231, 189, 0.72);
}

.material-body h3,
.material-body p {
  margin-bottom: 0;
}

.material-body h3 {
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
  line-height: 1.45;
}

.material-body p {
  color: #52666d;
  font-size: 0.94rem;
  line-height: 1.78;
}

.materials-note {
  max-width: 760px;
  margin: clamp(1.2rem, 3vw, 1.8rem) auto 0;
  color: #4c626a;
  text-align: center;
  font-weight: 800;
  line-height: 1.8;
}

.materials-points {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
  margin: clamp(1.2rem, 3vw, 1.8rem) auto 0;
}

.materials-points span {
  padding: 0.48rem 0.82rem;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(26, 166, 166, 0.16);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 900;
  line-height: 1.45;
}

.materials-cta {
  display: grid;
  justify-items: center;
  gap: 0.8rem;
  max-width: 760px;
  margin: clamp(1.4rem, 4vw, 2.2rem) auto 0;
  padding: clamp(1.2rem, 3vw, 1.7rem);
  text-align: center;
  background:
    radial-gradient(circle at 92% 18%, rgba(255, 225, 236, 0.72), transparent 34%),
    rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(201, 153, 61, 0.22);
  border-radius: 22px;
  box-shadow: 0 16px 36px rgba(18, 48, 71, 0.07);
}

.materials-cta p {
  margin-bottom: 0;
  color: var(--navy);
  font-weight: 900;
}

.materials-cta small {
  color: var(--muted);
  font-weight: 700;
}

.review-tools {
  background:
    radial-gradient(circle at 10% 12%, rgba(228, 248, 246, 0.72), transparent 24%),
    radial-gradient(circle at 90% 10%, rgba(255, 225, 236, 0.62), transparent 24%),
    linear-gradient(180deg, rgba(247, 247, 244, 0.94), #fff);
}

.review-tools-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2.6vw, 1.4rem);
  align-items: stretch;
}

.review-tool-card {
  display: grid;
  align-content: start;
  gap: 0.75rem;
  min-width: 0;
  padding: clamp(1.15rem, 3vw, 1.55rem);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(26, 166, 166, 0.14);
  border-radius: 24px;
  box-shadow: 0 18px 42px rgba(18, 48, 71, 0.08);
}

.review-tool-card:nth-child(2) {
  border-color: rgba(232, 62, 124, 0.16);
}

.review-tool-card:nth-child(3) {
  border-color: rgba(201, 154, 61, 0.2);
}

.review-tool-icon {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  margin-bottom: 0.08rem;
  background:
    radial-gradient(circle at 78% 20%, rgba(255, 225, 236, 0.64), transparent 34%),
    rgba(228, 248, 246, 0.78);
  border: 1px solid rgba(26, 166, 166, 0.14);
  border-radius: 20px;
}

.review-tool-card:nth-child(2) .review-tool-icon {
  background:
    radial-gradient(circle at 78% 20%, rgba(228, 248, 246, 0.58), transparent 34%),
    rgba(255, 225, 236, 0.76);
  border-color: rgba(232, 62, 124, 0.14);
}

.review-tool-card:nth-child(3) .review-tool-icon {
  background:
    radial-gradient(circle at 78% 20%, rgba(228, 248, 246, 0.62), transparent 34%),
    rgba(247, 231, 189, 0.7);
  border-color: rgba(201, 154, 61, 0.18);
}

.review-tool-icon img {
  display: block;
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.review-tool-label {
  display: inline-flex;
  width: fit-content;
  padding: 0.22rem 0.62rem;
  color: var(--teal-dark);
  background: rgba(228, 248, 246, 0.92);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 950;
}

.review-tool-card:nth-child(2) .review-tool-label {
  color: #a82958;
  background: rgba(255, 225, 236, 0.92);
}

.review-tool-card:nth-child(3) .review-tool-label {
  color: #7f5f19;
  background: rgba(247, 231, 189, 0.72);
}

.review-tool-card h3,
.review-tool-card p {
  margin-bottom: 0;
}

.review-tool-card ul {
  display: grid;
  gap: 0.44rem;
  margin: 0.2rem 0 0;
  padding: 0;
  list-style: none;
}

.review-tool-card li {
  position: relative;
  padding-left: 1.25rem;
  color: #33464d;
  font-size: 0.93rem;
  font-weight: 800;
}

.review-tool-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 0.48rem;
  height: 0.48rem;
  background: var(--teal);
  border-radius: 999px;
}

.review-tool-card:nth-child(2) li::before {
  background: var(--coral);
}

.review-tool-card:nth-child(3) li::before {
  background: var(--gold);
}

.review-tool-note {
  max-width: 860px;
  margin: clamp(1.2rem, 3vw, 1.8rem) auto 0;
  padding: 1.05rem 1.25rem;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(26, 166, 166, 0.16);
  border-radius: var(--radius);
  text-align: center;
  font-weight: 800;
  line-height: 1.8;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 3vw, 2rem);
}

.image-lightbox.is-open {
  display: flex;
}

.image-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18, 48, 71, 0.72);
  backdrop-filter: blur(6px);
}

.image-lightbox-dialog {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.8rem;
  width: min(94vw, 980px);
  max-height: 92vh;
  padding: clamp(1rem, 2.6vw, 1.4rem);
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(26, 166, 166, 0.18);
  border-radius: 24px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.26);
}

.image-lightbox-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(18, 48, 71, 0.12);
  border-radius: 999px;
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(18, 48, 71, 0.12);
}

.image-lightbox-title {
  margin: 0;
  padding-right: 3.3rem;
  color: var(--navy);
  font-weight: 900;
  line-height: 1.5;
}

.image-lightbox-frame {
  display: grid;
  place-items: center;
  min-height: 0;
  overflow: auto;
  padding: 0.75rem;
  background:
    radial-gradient(circle at 8% 8%, rgba(228, 248, 246, 0.62), transparent 24%),
    linear-gradient(135deg, rgba(247, 247, 244, 0.92), #fff);
  border-radius: 18px;
}

.image-lightbox-img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: min(76vh, 900px);
  height: auto;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 18px 42px rgba(18, 48, 71, 0.16);
}

.image-lightbox-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
  text-align: center;
}

body.lightbox-open {
  overflow: hidden;
}

.reassurance-list {
  display: grid;
  gap: 0.9rem;
}

.reassurance-list article {
  padding: 1.1rem 1.25rem;
  border-left: 6px solid var(--coral);
}

.reassurance-list span,
.flow-list span,
.teacher-role,
.step-label {
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 900;
}

.learning-support-flow {
  background:
    radial-gradient(circle at 12% 8%, rgba(228, 248, 246, 0.82), transparent 24%),
    radial-gradient(circle at 90% 18%, rgba(255, 225, 236, 0.74), transparent 25%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(231, 244, 245, 0.72)),
    var(--pale-blue);
}

.support-flow-heading {
  max-width: 860px;
}

.support-flow-lead {
  color: #43575f;
  font-weight: 700;
}

.support-flow-note {
  display: inline-block;
  margin: 0.45rem auto 0;
  padding: 0.78rem 1rem;
  color: var(--teal-dark);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(26, 166, 166, 0.16);
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 900;
}

.support-flow-layout {
  display: grid;
  gap: clamp(1rem, 3vw, 1.5rem);
  max-width: 1040px;
  margin-inline: auto;
}

.support-flow-sides,
.support-flow-review {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 3vw, 1.35rem);
  align-items: stretch;
}

.support-flow-side {
  display: grid;
  gap: 0.8rem;
  min-width: 0;
}

.support-flow-side.teacher-side {
  padding: 1rem;
  background: rgba(228, 248, 246, 0.5);
  border: 1px solid rgba(26, 166, 166, 0.16);
  border-radius: 24px;
}

.support-flow-side.student-side {
  padding: 1rem;
  background: rgba(255, 225, 236, 0.45);
  border: 1px solid rgba(232, 62, 124, 0.14);
  border-radius: 24px;
}

.support-flow-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(128px, 0.42fr);
  gap: clamp(0.9rem, 2.4vw, 1.25rem);
  align-items: center;
  min-width: 0;
  padding: clamp(1rem, 2.8vw, 1.35rem);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(18, 48, 71, 0.08);
  border-radius: 22px;
  box-shadow: 0 18px 42px rgba(18, 48, 71, 0.08);
  overflow: hidden;
}

.support-flow-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 7px;
  background: var(--teal);
}

.support-flow-card.teacher::before {
  background: var(--teal);
}

.support-flow-card.student::before {
  background: var(--coral);
}

.support-flow-card.bridge {
  grid-template-columns: minmax(0, 1.15fr) minmax(170px, 0.55fr);
  color: #fff;
  background:
    radial-gradient(circle at 8% 8%, rgba(26, 166, 166, 0.42), transparent 24%),
    radial-gradient(circle at 90% 8%, rgba(232, 62, 124, 0.34), transparent 24%),
    linear-gradient(135deg, var(--navy), #19455a);
}

.support-flow-card.bridge::before {
  width: 100%;
  height: 7px;
  background: linear-gradient(90deg, var(--teal), var(--coral), var(--gold));
}

.support-flow-card.next {
  grid-template-columns: minmax(0, 1fr) minmax(180px, 0.42fr);
  max-width: 820px;
  margin-inline: auto;
  background:
    radial-gradient(circle at 92% 12%, rgba(247, 231, 189, 0.8), transparent 28%),
    linear-gradient(135deg, #fff, rgba(228, 248, 246, 0.72));
  border-color: rgba(201, 153, 67, 0.22);
}

.support-flow-card.next::before {
  background: var(--gold);
}

.support-flow-milestone {
  display: grid;
  gap: 0.45rem;
  max-width: 820px;
  margin: 0.2rem auto 0;
  padding: clamp(1rem, 2.6vw, 1.35rem);
  color: var(--navy);
  background:
    radial-gradient(circle at 8% 0%, rgba(247, 231, 189, 0.72), transparent 24%),
    rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(201, 153, 67, 0.28);
  border-radius: 20px;
  box-shadow: 0 14px 32px rgba(18, 48, 71, 0.07);
}

.support-flow-milestone span {
  display: inline-flex;
  width: fit-content;
  padding: 0.18rem 0.62rem;
  color: #7f5f19;
  background: rgba(247, 231, 189, 0.68);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 950;
}

.support-flow-milestone h3 {
  margin-bottom: 0;
  font-size: clamp(1.08rem, 2.1vw, 1.32rem);
}

.support-flow-milestone p {
  margin-bottom: 0;
  color: #52666d;
  font-weight: 700;
}

.milestone-review-card {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(1.2rem, 3vw, 2rem);
  align-items: center;
  max-width: 1040px;
  margin: clamp(1.5rem, 4vw, 2.4rem) auto 0;
  padding: clamp(1.35rem, 3vw, 2rem);
  color: var(--navy);
  background:
    radial-gradient(circle at 92% 10%, rgba(247, 231, 189, 0.55), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(228, 248, 246, 0.42));
  border: 1px solid rgba(201, 153, 61, 0.28);
  border-left: 7px solid var(--gold);
  border-radius: 26px;
  box-shadow: 0 20px 48px rgba(18, 48, 71, 0.08);
}

.milestone-review-card::before {
  content: none;
}

.milestone-review-copy {
  display: grid;
  gap: 0.75rem;
  min-width: 0;
}

.milestone-review-copy h3 {
  margin-bottom: 0;
  font-size: clamp(1.32rem, 2.6vw, 1.85rem);
  line-height: 1.42;
}

.milestone-review-copy p {
  margin-bottom: 0;
  color: #43575f;
  font-weight: 700;
}

.milestone-label {
  color: #7f5f19;
  background: rgba(247, 231, 189, 0.72);
}

.milestone-review-list {
  display: grid;
  gap: 0.6rem;
  padding: 0;
  margin: 0.4rem 0 0;
  list-style: none;
}

.milestone-review-list li {
  position: relative;
  padding: 0.65rem 0.85rem 0.65rem 2.1rem;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(26, 166, 166, 0.14);
  border-radius: 14px;
  font-weight: 900;
  line-height: 1.45;
}

.milestone-review-list li::before {
  content: "";
  position: absolute;
  left: 0.85rem;
  top: 50%;
  width: 0.72rem;
  height: 0.72rem;
  background: var(--coral);
  border-radius: 50%;
  transform: translateY(-50%);
}

.milestone-review-image {
  display: grid;
  place-items: center;
  min-width: 0;
}

.milestone-review-image img {
  display: block;
  width: 100%;
  max-width: 560px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 16px 18px rgba(18, 48, 71, 0.1));
}

.support-flow-copy {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.support-flow-side-label {
  display: inline-flex;
  width: fit-content;
  padding: 0.18rem 0.6rem;
  color: var(--teal-dark);
  background: rgba(228, 248, 246, 0.92);
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 950;
  line-height: 1.35;
}

.support-flow-side-label.milestone-label {
  color: #7f5f19;
  background: rgba(247, 231, 189, 0.72);
}

.support-flow-card.student .support-flow-side-label {
  color: #a82958;
  background: rgba(255, 225, 236, 0.92);
}

.support-flow-card.bridge .support-flow-side-label {
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
}

.support-flow-card.next .support-flow-side-label {
  color: #7f5f19;
  background: rgba(247, 231, 189, 0.72);
}

.support-flow-number {
  color: var(--teal);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 950;
  line-height: 0.95;
}

.support-flow-card.student .support-flow-number {
  color: var(--coral);
}

.support-flow-card.bridge .support-flow-number,
.support-flow-card.bridge h3,
.support-flow-card.bridge p {
  color: #fff;
}

.support-flow-card.next .support-flow-number {
  color: var(--gold);
}

.support-flow-card h3 {
  margin-bottom: 0;
  font-size: clamp(1.08rem, 2.2vw, 1.32rem);
  line-height: 1.42;
}

.support-flow-card p {
  margin-bottom: 0;
  color: #52666d;
  font-size: 0.94rem;
  line-height: 1.75;
}

.support-flow-card.bridge p {
  color: rgba(255, 255, 255, 0.84);
}

.support-flow-image {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-width: 0;
}

.support-flow-image img {
  width: 100%;
  max-width: 260px;
  height: auto;
  object-fit: contain;
  margin-inline: auto;
  filter: drop-shadow(0 14px 14px rgba(18, 48, 71, 0.1));
}

.support-flow-img-student-suggestion {
  max-width: 300px;
  transform: scale(1.16);
  transform-origin: center;
}

.support-flow-arrow,
.support-flow-merge {
  display: grid;
  place-items: center;
  color: var(--teal-dark);
  font-weight: 950;
}

.support-flow-arrow {
  min-height: 28px;
  font-size: 1.55rem;
  line-height: 1;
}

.support-flow-merge {
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 0.8rem;
  max-width: 720px;
  margin-inline: auto;
  padding: 0.9rem 1rem;
  background: rgba(255, 255, 255, 0.74);
  border: 1px dashed rgba(26, 166, 166, 0.35);
  border-radius: 999px;
  text-align: center;
}

.support-flow-merge span {
  min-width: 0;
  color: var(--navy);
  font-size: 0.94rem;
}

.support-flow-merge strong {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: #fff;
  background: linear-gradient(135deg, var(--teal), var(--coral));
  border-radius: 50%;
}

.difference {
  background: var(--cream);
}

.comparison-vs {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 1.8rem);
  align-items: stretch;
  max-width: 1040px;
  margin-inline: auto;
}

.comparison-vs .comparison-card {
  display: grid;
  align-content: start;
  gap: 0.85rem;
  min-width: 0;
  min-height: 100%;
  padding: clamp(1.35rem, 3vw, 2rem);
  border-radius: 26px;
  box-shadow: 0 18px 42px rgba(18, 48, 71, 0.075);
}

.comparison-vs .comparison-card-general {
  background:
    radial-gradient(circle at 12% 10%, rgba(255, 225, 236, 0.62), transparent 26%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(255, 246, 250, 0.9));
  border: 1px solid rgba(232, 62, 124, 0.16);
}

.comparison-vs .comparison-card-slb {
  background:
    radial-gradient(circle at 88% 12%, rgba(228, 248, 246, 0.82), transparent 28%),
    linear-gradient(135deg, rgba(228, 248, 246, 0.92), rgba(255, 255, 255, 0.96));
  border: 2px solid rgba(26, 166, 166, 0.28);
}

.comparison-icon-wrap {
  display: grid;
  place-items: center;
  width: 86px;
  height: 86px;
  margin: 0 auto 0.15rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(18, 48, 71, 0.08);
  border-radius: 22px;
}

.comparison-icon-wrap img {
  width: 74px;
  height: 74px;
  object-fit: contain;
}

.comparison-icon-wrap.slb-icon img {
  width: 70px;
  height: 70px;
}

.comparison-vs .comparison-card h3 {
  margin-bottom: 0;
  text-align: center;
  font-size: clamp(1.08rem, 2vw, 1.25rem);
}

.comparison-vs .comparison-card ul {
  display: grid;
  gap: 0.72rem;
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
}

.comparison-vs .comparison-card li {
  position: relative;
  padding-left: 1.55rem;
  color: #33464d;
  font-weight: 800;
  line-height: 1.62;
}

.comparison-vs .comparison-card li::before {
  position: absolute;
  left: 0;
  top: 0.48em;
  display: grid;
  place-items: center;
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 950;
  line-height: 1;
}

.comparison-vs .comparison-card-general li::before {
  content: "\00d7";
  color: var(--coral);
  background: rgba(255, 225, 236, 0.75);
}

.comparison-vs .comparison-card-slb li::before {
  content: "\2713";
  color: #fff;
  background: var(--teal);
}

.comparison-vs-badge {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  color: var(--teal-dark);
  background: rgba(255, 255, 255, 0.96);
  border: 2px solid rgba(26, 166, 166, 0.24);
  border-radius: 999px;
  font-weight: 950;
  letter-spacing: 0.03em;
  box-shadow: 0 12px 28px rgba(18, 48, 71, 0.1);
  transform: translate(-50%, -50%);
}

.teacher-grid {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2rem);
}

.teacher-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.4fr) minmax(0, 0.6fr);
  gap: clamp(1.2rem, 3vw, 2rem);
  padding: clamp(1.1rem, 3vw, 2rem);
  align-items: stretch;
  overflow: hidden;
  border: 0;
  border-radius: 28px;
  background:
    radial-gradient(circle at 8% 10%, rgba(247, 231, 189, 0.72), transparent 22%),
    linear-gradient(135deg, rgba(231, 244, 245, 0.82), #fff 46%);
  box-shadow: 0 26px 64px rgba(18, 48, 71, 0.1);
}

.teacher-card:nth-child(2) {
  background:
    radial-gradient(circle at 8% 10%, rgba(255, 225, 236, 0.75), transparent 22%),
    linear-gradient(135deg, rgba(255, 225, 236, 0.58), #fff 48%);
}

.teacher-photo {
  position: relative;
  display: grid;
  place-items: end center;
  min-height: 420px;
  padding: clamp(0.8rem, 2vw, 1.1rem);
  border-radius: 24px;
  background:
    radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.78), transparent 38%),
    linear-gradient(135deg, rgba(228, 248, 246, 0.76), rgba(255, 255, 255, 0.9));
  border: 1px solid rgba(26, 166, 166, 0.14);
  overflow: hidden;
}

.teacher-photo::after {
  content: "";
  position: absolute;
  inset: auto 12% 0;
  height: 18%;
  background: linear-gradient(transparent, rgba(18, 48, 71, 0.08));
  border-radius: 50% 50% 0 0;
}

.teacher-photo img {
  position: relative;
  z-index: 1;
  width: min(100%, 340px);
  height: 410px;
  object-fit: contain;
  object-position: center bottom;
  border-radius: 18px;
  filter: drop-shadow(0 16px 18px rgba(18, 48, 71, 0.11));
}

.coral-bg {
  background:
    radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.78), transparent 38%),
    linear-gradient(135deg, rgba(255, 225, 236, 0.66), rgba(255, 255, 255, 0.9));
}

.teacher-body p {
  margin-bottom: 0.75rem;
}

.teacher-body {
  align-self: center;
}

.teacher-body h3 {
  margin-bottom: 0.25rem;
  font-size: clamp(1.65rem, 3vw, 2.2rem);
}

.teacher-role {
  display: inline-flex;
  width: fit-content;
  padding: 0.25rem 0.65rem;
  color: var(--teal-dark);
  background: rgba(228, 248, 246, 0.9);
  border-radius: 999px;
  margin-bottom: 0.55rem;
}

.teacher-label {
  display: inline-flex;
  width: fit-content;
  padding: 0.44rem 0.82rem;
  color: #fff;
  background: var(--coral);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 900;
  box-shadow: 0 10px 20px rgba(232, 62, 124, 0.16);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.9rem 0;
}

blockquote {
  position: relative;
  margin: 0.9rem 0 0;
  padding: 1.05rem 1.1rem;
  color: var(--navy);
  background: #fff;
  border: 1px solid rgba(26, 166, 166, 0.16);
  border-left: 0;
  border-radius: 18px 18px 18px 4px;
  box-shadow: 0 12px 28px rgba(18, 48, 71, 0.055);
}

blockquote::before {
  content: "";
  position: absolute;
  left: 1.1rem;
  top: -8px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-left: 1px solid rgba(26, 166, 166, 0.16);
  border-top: 1px solid rgba(26, 166, 166, 0.16);
  transform: rotate(45deg);
}

.operator-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(26, 166, 166, 0.12);
  border-radius: 28px;
  box-shadow: 0 22px 54px rgba(18, 48, 71, 0.08);
}

.trust-stack {
  display: grid;
  gap: 0.85rem;
}

.trust-stack div {
  padding: 1.25rem 1.35rem;
  background: var(--paper);
  border-left: 0;
  border-radius: 18px;
  box-shadow: 0 14px 32px rgba(18, 48, 71, 0.075);
}

.trust-stack div::before {
  content: "";
  display: block;
  width: 48px;
  height: 7px;
  margin-bottom: 0.7rem;
  background: var(--teal);
  border-radius: 999px;
}

.trust-stack div:nth-child(2) {
  border-left-color: transparent;
}

.trust-stack div:nth-child(2)::before {
  background: var(--coral);
}

.trust-stack div:nth-child(3) {
  border-left-color: transparent;
}

.trust-stack div:nth-child(3)::before {
  background: var(--gold);
}

.trust-stack strong,
.trust-stack span {
  display: block;
}

.trust-stack strong {
  color: var(--navy);
  font-size: 1.45rem;
}

.offer-path {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.9rem, 2vw, 1.25rem);
  align-items: stretch;
}

.offer-card {
  position: relative;
  display: grid;
  gap: 0.75rem;
  align-content: start;
  padding: clamp(1.25rem, 3vw, 1.8rem);
  overflow: hidden;
  border: 1px solid rgba(18, 48, 71, 0.08);
  border-radius: 24px;
  background:
    linear-gradient(180deg, #fff, rgba(247, 247, 244, 0.72));
}

.offer-card > * {
  position: relative;
  z-index: 1;
}

.offer-card::before {
  content: "";
  position: absolute;
  right: 0;
  top: -48px;
  width: 130px;
  height: 130px;
  background: var(--mint);
  border-radius: 50%;
  transform: translateX(38%);
}

.offer-card.free {
  background:
    radial-gradient(circle at 94% 10%, rgba(228, 248, 246, 0.95), transparent 24%),
    #fff;
}

.offer-card.trial {
  border: 3px solid rgba(232, 62, 124, 0.62);
  background:
    radial-gradient(circle at 88% 8%, rgba(255, 225, 236, 0.95), transparent 27%),
    linear-gradient(180deg, #fff, rgba(255, 225, 236, 0.22));
  box-shadow: 0 26px 64px rgba(232, 62, 124, 0.14);
  transform: translateY(-0.75rem);
}

.offer-card.trial::before {
  background: var(--coral-soft);
}

.offer-card.trial::after {
  content: "おすすめ";
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  display: inline-flex;
  padding: 0.35rem 0.7rem;
  color: #fff;
  background: var(--coral);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 950;
  box-shadow: 0 10px 20px rgba(232, 62, 124, 0.18);
}

.offer-card.plans::before {
  background: var(--gold-soft);
}

.offer-card h3 {
  font-size: clamp(1.22rem, 2vw, 1.48rem);
}

.offer-card p {
  margin-bottom: 0;
}

.offer-card strong {
  display: block;
  color: var(--navy);
  font-size: clamp(2rem, 4.2vw, 2.9rem);
  line-height: 1.2;
  margin: 0.2rem 0 0.3rem;
}

.step-label {
  display: inline-flex;
  width: fit-content;
  padding: 0.3rem 0.66rem;
  color: #fff;
  background: var(--teal);
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.offer-card.trial .step-label {
  background: var(--coral);
}

.offer-card.plans .step-label {
  background: var(--gold);
}

.offer-card small {
  display: block;
  color: var(--muted);
  line-height: 1.7;
}

.offer-card .button {
  align-self: end;
  margin-top: 0.25rem;
}

.plan-lines {
  display: grid;
  gap: 0.7rem;
  margin-top: 0.2rem;
}

.plan-lines > span {
  display: grid;
  gap: 0.22rem;
  padding: 0.8rem;
  background: rgba(255, 247, 237, 0.82);
  border-radius: var(--radius);
}

.plan-lines b {
  color: var(--navy);
  line-height: 1.45;
}

.plan-lines > span > span {
  color: #52666d;
  font-size: 0.94rem;
  font-weight: 800;
}

.plan-lines small {
  color: var(--muted);
  font-weight: 900;
}

.plan-lines em {
  display: inline-flex;
  width: fit-content;
  margin-left: 0.35rem;
  padding: 0.12rem 0.46rem;
  color: #fff;
  background: var(--coral);
  border-radius: 999px;
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 950;
  line-height: 1.35;
  white-space: nowrap;
}

.pricing-note {
  max-width: 860px;
  margin: 1.2rem auto 0;
  padding: 1.1rem 1.25rem;
  color: var(--navy);
  background: var(--mint);
  border-radius: var(--radius);
}

.pricing-included {
  display: grid;
  gap: 0.85rem;
  max-width: 900px;
  margin: 1.3rem auto 0;
  padding: clamp(1rem, 2.8vw, 1.4rem);
  color: var(--navy);
  background:
    radial-gradient(circle at 94% 18%, rgba(255, 225, 236, 0.62), transparent 28%),
    rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(26, 166, 166, 0.16);
  border-radius: 20px;
  box-shadow: 0 16px 34px rgba(18, 48, 71, 0.07);
}

.pricing-included p {
  margin-bottom: 0;
  color: var(--navy);
  font-weight: 950;
}

.pricing-included ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pricing-included li {
  padding: 0.46rem 0.78rem;
  color: var(--navy);
  background: rgba(228, 248, 246, 0.78);
  border: 1px solid rgba(26, 166, 166, 0.15);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 900;
}

.pricing-included li:nth-child(4),
.pricing-included li:nth-child(5) {
  background: rgba(255, 225, 236, 0.74);
  border-color: rgba(232, 62, 124, 0.14);
}

.pricing-operational-note {
  color: #4c626a;
  background: rgba(228, 248, 246, 0.56);
  font-size: 0.94rem;
  line-height: 1.85;
}

.roadmap {
  background:
    radial-gradient(circle at 10% 8%, rgba(228, 248, 246, 0.78), transparent 24%),
    radial-gradient(circle at 90% 12%, rgba(247, 231, 189, 0.58), transparent 26%),
    linear-gradient(180deg, #fff, rgba(247, 247, 244, 0.92));
}

.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2.6vw, 1.4rem);
  align-items: stretch;
}

.roadmap-card {
  position: relative;
  display: grid;
  align-content: start;
  min-width: 0;
  gap: 0.75rem;
  padding: clamp(1.25rem, 3vw, 1.65rem);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(26, 166, 166, 0.16);
  border-top: 6px solid var(--teal);
  border-radius: 24px;
  box-shadow: 0 18px 42px rgba(18, 48, 71, 0.08);
}

.roadmap-card:nth-child(2) {
  border-top-color: var(--coral);
}

.roadmap-card:nth-child(3) {
  border-top-color: var(--gold);
}

.roadmap-card h3,
.roadmap-card p {
  margin-bottom: 0;
}

.roadmap-card h3 {
  color: var(--navy);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  line-height: 1.45;
}

.roadmap-card p {
  color: #52666d;
  font-size: 0.94rem;
  line-height: 1.78;
}

.roadmap-label {
  display: inline-flex;
  width: fit-content;
  padding: 0.24rem 0.66rem;
  color: var(--teal-dark);
  background: rgba(228, 248, 246, 0.92);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 950;
  line-height: 1.35;
}

.roadmap-card:nth-child(2) .roadmap-label {
  color: #a82958;
  background: rgba(255, 225, 236, 0.92);
}

.roadmap-card:nth-child(3) .roadmap-label {
  color: #7f5f19;
  background: rgba(247, 231, 189, 0.72);
}

.roadmap-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 0;
  margin: 0.25rem 0 0;
  list-style: none;
}

.roadmap-card li {
  padding: 0.34rem 0.68rem;
  color: var(--navy);
  background: rgba(228, 248, 246, 0.55);
  border: 1px solid rgba(26, 166, 166, 0.14);
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 900;
  line-height: 1.4;
}

.roadmap-card:nth-child(2) li {
  background: rgba(255, 225, 236, 0.5);
  border-color: rgba(232, 62, 124, 0.12);
}

.roadmap-card:nth-child(3) li {
  background: rgba(247, 231, 189, 0.5);
  border-color: rgba(201, 153, 67, 0.16);
}

.roadmap-card small {
  display: block;
  padding: 0.72rem 0.82rem;
  color: #6c5a28;
  background: rgba(247, 231, 189, 0.42);
  border-radius: 14px;
  font-weight: 800;
  line-height: 1.65;
}

.roadmap-note {
  max-width: 780px;
  margin: clamp(1.2rem, 3vw, 1.8rem) auto 0;
  color: #4c626a;
  text-align: center;
  font-weight: 800;
  line-height: 1.8;
}

.roadmap-cta {
  display: grid;
  justify-items: center;
  gap: 0.8rem;
  max-width: 780px;
  margin: clamp(1.4rem, 4vw, 2.2rem) auto 0;
  padding: clamp(1.2rem, 3vw, 1.7rem);
  text-align: center;
  background:
    radial-gradient(circle at 92% 18%, rgba(255, 225, 236, 0.72), transparent 34%),
    rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(201, 153, 61, 0.22);
  border-radius: 22px;
  box-shadow: 0 16px 36px rgba(18, 48, 71, 0.07);
}

.roadmap-cta p {
  margin-bottom: 0;
  color: var(--navy);
  font-weight: 900;
}

.roadmap-cta small {
  color: var(--muted);
  font-weight: 700;
  line-height: 1.7;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.flow-list.payment-flow-list {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.flow-list li {
  position: relative;
  padding: 1.25rem;
  border-top: 6px solid var(--teal);
}

.flow-list li:nth-child(even) {
  border-top-color: var(--coral);
}

.flow-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -0.5rem;
  z-index: 2;
  width: 30px;
  height: 30px;
  background: var(--coral);
  border: 5px solid var(--cream);
  border-radius: 50%;
  box-shadow: 0 8px 16px rgba(18, 48, 71, 0.12);
  transform: translate(50%, -50%);
}

.flow-list li:not(:last-child)::before {
  content: "";
  position: absolute;
  top: 50%;
  right: -0.5rem;
  z-index: 3;
  width: 9px;
  height: 9px;
  border-top: 3px solid #fff;
  border-right: 3px solid #fff;
  transform: translate(50%, -50%) rotate(45deg);
}

.payment-flow-list li::before,
.payment-flow-list li::after {
  display: none;
}


.faq-list {
  display: grid;
  gap: 0.75rem;
  max-width: 900px;
  margin-inline: auto;
}

.faq-list details {
  padding: 0.2rem 1.1rem;
}

.faq-list summary {
  cursor: pointer;
  color: var(--navy);
  font-weight: 900;
  padding: 1rem 0;
}

.faq-list p {
  margin: 0 0 1rem;
}

.final-panel {
  padding: clamp(2rem, 6vw, 4rem);
  color: #fff;
  background:
    radial-gradient(circle at 14% 20%, rgba(255, 255, 255, 0.12), transparent 22%),
    radial-gradient(circle at 88% 18%, rgba(232, 62, 124, 0.34), transparent 24%),
    linear-gradient(135deg, var(--teal-dark), var(--teal-band));
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 24px 60px rgba(18, 48, 71, 0.14);
}

.final-panel h2,
.final-panel .eyebrow,
.final-panel p {
  color: #fff;
}

.final-panel p {
  max-width: 760px;
  margin-inline: auto;
}

.final-cta-lead {
  display: grid;
  gap: 0.28rem;
  max-width: 760px;
  margin-inline: auto;
  line-height: 1.9;
  overflow-wrap: normal;
  word-break: keep-all;
  line-break: strict;
}

.final-cta-lead span {
  display: block;
  min-width: 0;
}

.page-hero {
  background:
    radial-gradient(circle at 18% 0%, rgba(26, 166, 166, 0.12), transparent 30%),
    radial-gradient(circle at 92% 28%, rgba(232, 62, 124, 0.1), transparent 28%),
    var(--cream);
  padding-bottom: clamp(44px, 7vw, 76px);
}

.page-hero-inner {
  max-width: 820px;
}

.page-hero h1 {
  margin-bottom: 0.8rem;
}

.page-hero p:not(.eyebrow) {
  max-width: 720px;
  color: var(--muted);
  font-weight: 700;
}

.page-back-link {
  display: inline-flex;
  margin-top: 0.8rem;
  color: var(--teal-dark);
  font-weight: 900;
  text-decoration: none;
}

.page-back-link:hover {
  color: var(--coral);
}

.contact-section,
.legal-section {
  padding-top: clamp(40px, 7vw, 76px);
  background: var(--cream);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(1.2rem, 4vw, 2.5rem);
  align-items: start;
}

.contact-options {
  display: grid;
  gap: 1rem;
}

.contact-option-card,
.contact-form,
.legal-card,
.policy-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(26, 166, 166, 0.14);
  border-radius: 16px;
  box-shadow: 0 18px 44px rgba(18, 48, 71, 0.09);
}

.contact-option-card {
  padding: clamp(1.25rem, 3vw, 1.8rem);
}

.contact-option-line {
  border-color: rgba(6, 199, 85, 0.24);
  background:
    radial-gradient(circle at 100% 0%, rgba(6, 199, 85, 0.1), transparent 34%),
    #fff;
}

.contact-option-label {
  display: inline-flex;
  margin-bottom: 0.65rem;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-option-card h2 {
  font-size: clamp(1.25rem, 3vw, 1.65rem);
}

.contact-option-card p {
  color: var(--muted);
  margin-bottom: 1rem;
}

.contact-form {
  display: grid;
  gap: 1.15rem;
  padding: clamp(1.25rem, 4vw, 2.2rem);
}

.form-field {
  display: grid;
  gap: 0.45rem;
}

.form-field label,
.form-fieldset legend {
  color: var(--navy);
  font-weight: 900;
}

.form-field > label span,
.form-fieldset legend span {
  display: inline-flex;
  margin-left: 0.35rem;
  padding: 0.1rem 0.42rem;
  color: var(--coral);
  background: var(--coral-soft);
  border-radius: 999px;
  font-size: 0.72rem;
  line-height: 1.3;
}

.form-field input:not([type="radio"]):not([type="checkbox"]),
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.78rem 0.9rem;
  color: var(--charcoal);
  background: #fff;
  border: 1px solid rgba(18, 48, 71, 0.18);
  border-radius: 8px;
  font: inherit;
}

.form-field textarea {
  resize: vertical;
  min-height: 168px;
}

.form-field input:not([type="radio"]):not([type="checkbox"]):focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(26, 166, 166, 0.14);
  outline: 0;
}

.form-fieldset {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.form-fieldset legend {
  flex: 0 0 100%;
  margin-bottom: 0.15rem;
}

.radio-group {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.radio-group legend {
  grid-column: 1 / -1;
}

.radio-label,
.consent-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--charcoal);
  font-weight: 700;
}

.radio-label {
  min-width: 0;
  width: 100%;
  justify-content: center;
  padding: 0.68rem 0.85rem;
  background: var(--pale-blue);
  border: 1px solid rgba(26, 166, 166, 0.18);
  border-radius: 999px;
  cursor: pointer;
}

.radio-label input {
  flex: 0 0 auto;
  width: 1.05rem;
  height: 1.05rem;
  margin: 0;
  accent-color: var(--teal);
}

.radio-label span {
  min-width: 0;
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 900;
  line-height: 1.35;
  white-space: nowrap;
  word-break: keep-all;
}

.radio-label:hover {
  background: rgba(228, 248, 246, 0.86);
  border-color: rgba(26, 166, 166, 0.34);
}

.consent-label {
  align-items: flex-start;
  padding: 0.9rem;
  background: rgba(231, 244, 245, 0.72);
  border-radius: 10px;
}

.consent-label input {
  margin-top: 0.42rem;
}

.consent-label a,
.page-link-row a {
  color: var(--teal-dark);
  font-weight: 900;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.form-submit {
  border: 0;
  cursor: pointer;
  justify-self: start;
}

.legal-warning {
  display: inline-flex;
  padding: 0.8rem 1rem;
  color: #9a3a13;
  background: #fff4d6;
  border: 1px solid rgba(201, 153, 67, 0.32);
  border-radius: 10px;
  font-weight: 900;
}

.legal-card,
.policy-card {
  padding: clamp(1.25rem, 4vw, 2.5rem);
}

.legal-card {
  overflow-x: auto;
}

.legal-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

.legal-table th,
.legal-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(18, 48, 71, 0.1);
  text-align: left;
  vertical-align: top;
}

.legal-table th {
  width: 28%;
  color: var(--navy);
  background: rgba(231, 244, 245, 0.62);
  font-weight: 900;
}

.legal-table td {
  color: var(--charcoal);
}

.policy-section {
  padding: 0 0 1.35rem;
  margin-bottom: 1.35rem;
  border-bottom: 1px solid rgba(18, 48, 71, 0.1);
}

.policy-section:last-of-type {
  margin-bottom: 0;
}

.policy-section h2 {
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  margin-bottom: 0.55rem;
}

.policy-section p {
  margin-bottom: 0;
}

.policy-section p + p {
  margin-top: 0.55rem;
}

.policy-section ul {
  margin: 0.8rem 0 0;
  padding-left: 1.35rem;
}

.policy-section li {
  margin-bottom: 0.35rem;
}

.page-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.35rem;
  margin-top: 1.5rem;
}

.guide-header-inner {
  grid-template-columns: auto auto;
  justify-content: space-between;
}

.free-guide-page {
  overflow-x: clip;
  background:
    radial-gradient(circle at 12% 5%, rgba(228, 248, 246, 0.78), transparent 26%),
    radial-gradient(circle at 92% 10%, rgba(255, 225, 236, 0.62), transparent 24%),
    var(--cream);
}

.free-guide-hero {
  overflow: hidden;
  padding-bottom: clamp(48px, 7vw, 76px);
}

.free-guide-hero-inner {
  max-width: 820px;
  min-width: 0;
}

.free-guide-hero-inner > * {
  max-width: 100%;
  min-width: 0;
}

.free-guide-title {
  max-width: 100%;
  overflow-wrap: normal;
  word-break: keep-all;
  line-break: strict;
}

.free-guide-title .line {
  display: block;
  max-width: 100%;
  min-width: 0;
}

.free-guide-note {
  display: inline-block;
  max-width: 760px;
  padding: 0.82rem 1rem;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(201, 153, 67, 0.22);
  border-radius: 999px;
  box-shadow: 0 12px 28px rgba(18, 48, 71, 0.06);
}

.free-guide-list {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(247, 247, 244, 0.94)),
    var(--cream);
}

.guide-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.9rem, 2vw, 1.2rem);
}

.guide-card {
  position: relative;
  display: grid;
  align-content: start;
  min-width: 0;
  gap: 0.72rem;
  padding: clamp(1rem, 2.2vw, 1.35rem);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(26, 166, 166, 0.14);
  border-radius: 20px;
  box-shadow: 0 16px 38px rgba(18, 48, 71, 0.08);
}

.guide-card::before {
  content: "";
  position: absolute;
  top: -48px;
  right: -44px;
  width: 118px;
  height: 118px;
  background: rgba(228, 248, 246, 0.86);
  border-radius: 50%;
}

.guide-card:nth-child(3n + 2)::before {
  background: rgba(255, 225, 236, 0.82);
}

.guide-card:nth-child(3n)::before {
  background: rgba(247, 231, 189, 0.8);
}

.guide-card > * {
  position: relative;
  z-index: 1;
}

.guide-part {
  display: inline-flex;
  width: fit-content;
  padding: 0.22rem 0.62rem;
  color: var(--teal-dark);
  background: rgba(228, 248, 246, 0.92);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 950;
  line-height: 1.35;
}

.guide-card:nth-child(3n + 2) .guide-part {
  color: #a82958;
  background: rgba(255, 225, 236, 0.92);
}

.guide-card:nth-child(3n) .guide-part {
  color: #7f5f19;
  background: rgba(247, 231, 189, 0.76);
}

.guide-card h3,
.guide-card p {
  margin-bottom: 0;
}

.guide-card h3 {
  font-size: clamp(1.04rem, 1.8vw, 1.18rem);
  line-height: 1.45;
}

.guide-card p {
  color: #52666d;
  font-size: 0.92rem;
  line-height: 1.72;
}

.guide-card .button {
  align-self: end;
  min-height: 44px;
  margin-top: 0.2rem;
  padding-inline: 1rem;
}

.guide-next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  gap: clamp(1rem, 3vw, 1.5rem);
  align-items: stretch;
}

.guide-action-card {
  display: grid;
  align-content: start;
  justify-items: start;
  gap: 0.82rem;
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 1.8rem);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(26, 166, 166, 0.14);
  border-radius: 24px;
  box-shadow: 0 18px 42px rgba(18, 48, 71, 0.08);
}

.guide-action-card h2,
.guide-action-card p {
  margin-bottom: 0;
}

.guide-action-card h2 {
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.guide-action-card small {
  color: var(--muted);
  font-weight: 700;
  line-height: 1.7;
}

.guide-line-card {
  border-color: rgba(232, 62, 124, 0.16);
}

.guide-line-card ul {
  display: grid;
  gap: 0.45rem;
  padding: 0;
  margin: 0.15rem 0 0.1rem;
  list-style: none;
}

.guide-line-card li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--navy);
  font-weight: 850;
}

.guide-line-card li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 0.52rem;
  height: 0.52rem;
  background: var(--coral);
  border-radius: 50%;
  transform: translateY(-50%);
}

.guide-faq-list {
  max-width: 860px;
  margin-inline: auto;
}

.site-footer {
  color: rgba(255, 255, 255, 0.84);
  background: var(--navy);
  padding: 56px 0 24px;
}

.site-footer .brand-en,
.site-footer .brand-ja {
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.95fr) minmax(0, 1.05fr);
  gap: 2rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 1rem;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.9rem;
}

.footer-bottom p {
  margin: 0;
}

@media (max-width: 900px) {
  .radio-group {
    grid-template-columns: 1fr;
  }

  .radio-label {
    justify-content: flex-start;
  }

  .support-flow-sides,
  .support-flow-review {
    grid-template-columns: 1fr;
  }

  .support-flow-card.bridge,
  .support-flow-card.next {
    max-width: none;
  }

  .support-flow-image img {
    max-width: min(44vw, 230px);
  }

  .support-flow-img-student-suggestion {
    max-width: min(44vw, 230px);
    transform: none;
  }

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

  .guide-next-grid {
    grid-template-columns: 1fr;
  }

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

  .review-tools-grid {
    grid-template-columns: 1fr;
  }

  .material-image {
    min-height: 0;
  }

  .material-image img {
    max-height: 420px;
  }

  .material-zoom-hint {
    right: 0.55rem;
    bottom: 0.55rem;
    font-size: 0.72rem;
  }

  .image-lightbox {
    padding: 0.75rem;
  }

  .image-lightbox-dialog {
    width: 96vw;
    max-height: 94vh;
    padding: 0.85rem;
    border-radius: 18px;
  }

  .image-lightbox-frame {
    padding: 0.45rem;
  }

  .image-lightbox-img {
    max-height: 76vh;
  }

  .milestone-review-card {
    grid-template-columns: 1fr;
  }

  .milestone-review-image img {
    max-width: 100%;
  }
}

@media (max-width: 1200px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }

  .problem-side {
    justify-self: stretch;
  }
}

@media (max-width: 1180px) {
  .heading-lines .break-md {
    display: block;
  }

  .intro-panel {
    grid-template-columns: 1fr;
  }

  .concept-card {
    justify-self: stretch;
  }
}

@media (max-width: 1080px) {
  .header-inner {
    grid-template-columns: auto auto;
  }

  .nav-toggle {
    display: block;
    justify-self: end;
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .site-nav.is-open {
    display: grid;
    grid-column: 1 / -1;
    justify-content: stretch;
    gap: 0;
    padding: 0.5rem 0 1rem;
  }

  .site-nav.is-open a {
    padding: 0.85rem 0;
    border-top: 1px solid rgba(23, 138, 131, 0.16);
  }

  .site-nav.is-open .mobile-nav-cta {
    display: inline-flex;
    justify-content: center;
    margin-top: 0.75rem;
    padding: 0.8rem 1rem;
    color: #fff;
    background: #06c755;
    border-top: 0;
    border-radius: var(--radius);
    font-weight: 900;
  }

  .hero-grid,
  .intro-panel,
  .operator-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual-card {
    min-height: 370px;
  }

  .hero-illustration {
    max-height: 390px;
  }

  .concept-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    min-height: auto;
  }

  .concept-flow::before {
    top: 50%;
    right: 3rem;
    bottom: auto;
    left: 3rem;
    width: auto;
    height: 8px;
    transform: translateY(-50%);
  }

  .concept-flow span:not(:last-child)::after {
    top: 50%;
    right: 0;
    bottom: auto;
    left: auto;
    transform: translate(68%, -50%) rotate(-45deg);
  }

  .big-feature,
  .big-feature:nth-child(even) {
    grid-template-columns: 96px minmax(220px, 0.92fr) minmax(0, 1fr);
  }

  .audience-grid,
  .learning-grid,
  .flow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .visual-card:nth-child(even) {
    margin-top: 0;
  }

  .learning-grid article:not(:last-child) {
    border-right: 0;
  }

  .learning-grid article {
    border-bottom: 1px solid rgba(18, 48, 71, 0.08);
  }

  .learning-grid article:nth-child(odd) {
    border-right: 1px solid rgba(18, 48, 71, 0.08);
  }

  .learning-grid article:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .flow-list li::before,
  .flow-list li::after {
    display: none;
  }
}

@media (max-width: 900px) {
  .roadmap-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 24px, var(--max));
  }

  .free-guide-page .container {
    width: min(100% - 24px, var(--max));
    max-width: 100%;
  }

  .section {
    padding: 56px 0;
  }

  .brand-mark {
    flex-basis: 40px;
    width: 40px;
    height: 40px;
  }

  .brand-en {
    font-size: 0.94rem;
  }

  .brand-ja {
    font-size: 0.72rem;
  }

  .free-guide-page .free-guide-hero {
    padding-top: 48px;
    padding-bottom: 56px;
  }

  .free-guide-page .free-guide-hero h1 {
    max-width: 100%;
    font-size: clamp(1.7rem, 8vw, 2.2rem);
    line-height: 1.38;
    letter-spacing: 0;
  }

  .free-guide-page .free-guide-hero p {
    max-width: 100%;
    font-size: 0.98rem;
    line-height: 1.85;
  }

  .free-guide-note {
    display: block;
    padding: 0.95rem 1rem;
    border-radius: 16px;
    font-size: 0.96rem;
    line-height: 1.75;
  }

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

  .guide-card {
    min-width: 0;
  }

  .guide-card .button,
  .guide-action-card .button {
    width: 100%;
    max-width: 100%;
    white-space: normal;
  }

  .guide-action-card {
    border-radius: 18px;
  }

  .hero-badges,
  .split,
  .contact-layout,
  .problem-cards,
  .comparison,
  .teacher-card,
  .offer-path,
  .flow-list,
  .audience-grid,
  .learning-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .flow-list.payment-flow-list {
    grid-template-columns: 1fr;
  }

  .hero-visual,
  .hero-visual-card {
    min-height: 280px;
  }

  .line-bonus-badge {
    grid-template-columns: 1fr;
    gap: 0.38rem;
  }

  .line-bonus-badge span {
    grid-row: auto;
  }

  .hero h1 {
    font-size: clamp(1.42rem, 6.35vw, 2.12rem);
    line-height: 1.34;
  }

  .heading-lines {
    text-wrap: auto;
  }

  .heading-lines .mobile-line {
    display: block;
  }

  .heading-lines .break-sm {
    display: block;
  }

  .heading-lines .desktop-br {
    display: none;
  }

  .heading-lines .mobile-br {
    display: block;
  }

  .hero-illustration {
    max-height: 300px;
  }

  .hero-illustration.hero-photo {
    max-height: 330px;
    border-radius: 18px;
  }

  .page-hero {
    padding-top: 48px;
  }

  .contact-form,
  .contact-option-card,
  .legal-card,
  .policy-card {
    border-radius: 12px;
  }

  .form-submit {
    justify-self: stretch;
    width: 100%;
  }

  .radio-label {
    width: 100%;
  }

  .roadmap-cta .button {
    width: 100%;
  }

  .cta-band {
    overflow: hidden;
  }

  .hero-copy,
  .hero-visual,
  .hero-visual-card,
  .cta-band-inner,
  .final-panel,
  .footer-grid,
  .footer-links,
  .flow-list,
  .offer-path,
  .roadmap-grid,
  .materials-grid,
  .review-tools-grid,
  .support-flow-layout,
  .comparison-vs,
  .audience-sheet,
  .flow-visual {
    min-width: 0;
    max-width: 100%;
  }

  .cta-band-inner {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .cta-band::before {
    right: -42px;
    width: min(58vw, 180px);
    transform: translateY(-50%);
  }

  .cta-band h2 {
    font-size: clamp(1.42rem, 7.2vw, 2rem);
    line-height: 1.45;
  }

  .cta-band .heading-lines .line {
    display: block;
    min-width: 0;
    white-space: normal;
  }

  .cta-band-note,
  .cta-band-subnote {
    max-width: 100%;
    min-width: 0;
    overflow-wrap: normal;
    word-break: keep-all;
    line-break: strict;
  }

  .cta-band .button {
    width: 100%;
    max-width: 100%;
    white-space: normal;
  }

  .audience-sheet,
  .flow-visual,
  .question-band,
  .cta-band {
    overflow: hidden;
  }

  .question-band::before,
  .question-band::after {
    width: 100%;
  }

  .question-band p {
    font-size: clamp(1.45rem, 7vw, 2rem);
    line-height: 1.45;
    overflow-wrap: normal;
    word-break: keep-all;
    line-break: strict;
  }

  .legal-table {
    min-width: 0;
  }

  .legal-table,
  .legal-table tbody,
  .legal-table tr,
  .legal-table th,
  .legal-table td {
    display: block;
    width: 100%;
  }

  .legal-table th {
    border-bottom: 0;
    border-radius: 8px 8px 0 0;
  }

  .legal-table td {
    border: 1px solid rgba(18, 48, 71, 0.1);
    border-top: 0;
    border-radius: 0 0 8px 8px;
    margin-bottom: 0.9rem;
  }

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

  .support-flow-note {
    display: block;
    border-radius: 18px;
  }

  .support-flow-side {
    padding: 0.75rem;
  }

  .support-flow-card,
  .support-flow-card.bridge,
  .support-flow-card.next {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 0.95rem;
  }

  .support-flow-image {
    order: -1;
  }

  .support-flow-image img {
    max-width: min(68vw, 210px);
    max-height: 190px;
    object-fit: contain;
  }

  .support-flow-card.bridge .support-flow-image img,
  .support-flow-card.next .support-flow-image img,
  .support-flow-review .support-flow-image img {
    max-width: min(64vw, 190px);
    max-height: 175px;
  }

  .support-flow-img-student-suggestion {
    max-width: min(64vw, 190px);
    max-height: 175px;
    transform: none;
  }

  .support-flow-number {
    font-size: clamp(2.15rem, 12vw, 3rem);
  }

  .support-flow-card h3 {
    font-size: clamp(1.04rem, 5vw, 1.22rem);
  }

  .support-flow-card p {
    font-size: 0.9rem;
    line-height: 1.7;
  }

  .milestone-review-card {
    grid-template-columns: 1fr;
    padding: 1.15rem;
    border-radius: 22px;
  }

  .milestone-review-image img {
    max-width: min(76vw, 260px);
    max-height: 220px;
    object-fit: contain;
  }

  .milestone-review-list li {
    font-size: 0.94rem;
  }

  .support-flow-merge {
    grid-template-columns: 1fr;
    border-radius: 20px;
  }

  .support-flow-merge strong {
    transform: rotate(90deg);
  }

  .hero-note {
    padding: 0.72rem 0.78rem;
  }

  .concept-flow {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .concept-flow::before {
    top: 2.4rem;
    right: auto;
    bottom: 2.4rem;
    left: 50%;
    width: 8px;
    height: auto;
    transform: translateX(-50%);
  }

  .concept-flow span:not(:last-child)::after {
    top: auto;
    right: auto;
    bottom: -0.72rem;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
  }

  .big-feature,
  .big-feature:nth-child(even) {
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 1.25rem;
    border-radius: 22px;
  }

  .big-feature::after {
    right: 0;
    top: 0;
    width: 160px;
    height: 160px;
    transform: translate(46%, -48%);
  }

  .big-feature > * {
    min-width: 0;
    max-width: 100%;
  }

  .feature-number {
    order: 1;
    font-size: clamp(4.2rem, 22vw, 5.9rem);
    line-height: 0.92;
  }

  .feature-badge {
    top: 1rem;
    right: 1rem;
    width: 50px;
    height: 50px;
    font-size: 0.76rem;
    transform: rotate(-5deg);
  }

  .big-feature .feature-art,
  .big-feature:nth-child(even) .feature-art {
    order: 2;
    justify-content: center;
    width: 100%;
    min-height: 0;
    padding: 0.7rem;
  }

  .feature-art img {
    width: 100%;
    max-width: 330px;
    height: auto;
  }

  .big-feature > div:last-child,
  .big-feature:nth-child(even) > div:last-child {
    order: 3;
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .big-feature h3,
  .big-feature p,
  .big-feature li {
    min-width: 0;
    overflow-wrap: normal;
    word-break: normal;
  }

  .big-feature h3 {
    font-size: clamp(1.28rem, 6vw, 1.62rem);
  }

  .cta-band-inner,
  .summary-strip {
    display: grid;
  }

  .cta-row,
  .button,
  .cta-band .button {
    width: 100%;
    max-width: 100%;
  }

  .materials-cta .button {
    width: 100%;
  }

  .final-panel {
    padding-inline: 1rem;
  }

  .final-panel h2 {
    font-size: clamp(1.55rem, 7.4vw, 2.12rem);
    line-height: 1.48;
  }

  .final-cta-lead {
    display: block;
    font-size: 0.96rem;
    line-height: 1.85;
    text-align: left;
  }

  .final-cta-lead span {
    display: inline;
  }

  .final-panel .cta-row {
    display: grid;
    gap: 0.75rem;
  }

  .final-panel .button {
    width: 100%;
    max-width: 100%;
  }

  .teacher-photo {
    min-height: 320px;
  }

  .teacher-photo img {
    width: min(100%, 250px);
    height: 300px;
  }

  .offer-card.trial {
    transform: none;
  }

  .learning-grid article,
  .learning-grid article:nth-child(odd),
  .learning-grid article:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid rgba(18, 48, 71, 0.08);
  }

  .learning-grid article:last-child {
    border-bottom: 0;
  }

  .flow-list li::before,
  .flow-list li::after {
    display: none;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

/* Final responsive guardrails for medium-width Japanese headings. */
.break-md,
.break-sm {
  display: inline;
}

.heading-lines .line {
  display: block;
  min-width: 0;
}

.hero-grid > *,
.problem-grid > *,
.intro-panel > *,
.operator-grid > *,
.split > * {
  min-width: 0;
}

.problem h2,
.intro h2 {
  max-width: 100%;
  line-break: strict;
  overflow-wrap: normal;
  word-break: keep-all;
}

@media (max-width: 1200px) {
  .heading-lines .break-md {
    display: block;
  }

  .problem-grid,
  .intro-panel {
    grid-template-columns: 1fr;
  }

  .problem-side,
  .concept-card {
    max-width: 100%;
    min-width: 0;
  }
}

@media (max-width: 640px) {
  .heading-lines .break-sm {
    display: block;
  }
}

/* Fix overlapping Japanese headings in fixed-width desktop container */
.problem .heading-lines .break-md,
.intro .heading-lines .break-md {
  display: block;
}

.problem h2,
.intro h2 {
  max-width: 100%;
}

.problem-grid > *,
.intro-panel > * {
  min-width: 0;
}

/* Hero integrated photo treatment */
@media (min-width: 901px) {
  .hero {
    isolation: isolate;
  }

  .hero-grid {
    position: relative;
    display: block;
    min-height: clamp(640px, 58vw, 740px);
  }

  .hero-copy {
    position: relative;
    z-index: 2;
    width: min(54%, 720px);
    padding: clamp(1.7rem, 4.2vw, 3.4rem) 0;
  }

  .hero h1 {
    max-width: 690px;
  }

  .hero-lead,
  .hero-badges,
  .line-bonus-badge,
  .hero-note {
    max-width: 640px;
  }

  .hero-visual {
    position: absolute;
    z-index: 1;
    top: 50%;
    right: clamp(-170px, -9vw, -82px);
    width: min(82vw, 1040px);
    height: min(620px, calc(100% - 8px));
    min-width: 0;
    transform: translateY(-50%);
    overflow: visible;
  }

  .hero-visual-card.hero-photo-card {
    position: relative;
    display: block;
    height: 100%;
    min-height: 0;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0 42px 42px 0;
    box-shadow: none;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(
      to right,
      transparent 0%,
      rgba(0, 0, 0, 0.02) 10%,
      rgba(0, 0, 0, 0.16) 24%,
      rgba(0, 0, 0, 0.58) 42%,
      #000 62%,
      #000 100%
    );
    mask-image: linear-gradient(
      to right,
      transparent 0%,
      rgba(0, 0, 0, 0.02) 10%,
      rgba(0, 0, 0, 0.16) 24%,
      rgba(0, 0, 0, 0.58) 42%,
      #000 62%,
      #000 100%
    );
  }

  .hero-visual-card.hero-photo-card::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
   linear-gradient(
      to right,
      rgba(251, 250, 245, 1) 0%,
      rgba(251, 250, 245, 0.96) 8%,
      rgba(251, 250, 245, 0.62) 14%,
      rgba(251, 250, 245, 0.22) 16%,
      rgba(251, 250, 245, 0) 26%
    ),
    radial-gradient(
      ellipse at 0% 0%,
      rgba(251, 250, 245, 0.95) 0%,
      rgba(251, 250, 245, 0.65) 10%,
      rgba(251, 250, 245, 0.18) 18%,
      rgba(251, 250, 245, 0) 28%
    ),
    radial-gradient(
      circle at 8% 12%,
      rgba(247, 231, 189, 0.10),
      transparent 18%
    );
}

  .hero-visual-card.hero-photo-card::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background:
  radial-gradient(
    ellipse at 0% 0%,
    rgba(251, 250, 245, 1) 0%,
    rgba(251, 250, 245, 0.78) 10%,
    rgba(251, 250, 245, 0.32) 20%,
    rgba(251, 250, 245, 0) 34%
  ),
  linear-gradient(
    to right,
    rgba(251, 250, 245, 1) 0%,
    rgba(251, 250, 245, 0.86) 8%,
    rgba(251, 250, 245, 0.38) 16%,
    rgba(251, 250, 245, 0.08) 24%,
    rgba(251, 250, 245, 0) 34%
  );
  }

  .hero-illustration.hero-photo {
    display: block;
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    border-radius: 0;
    object-fit: cover;
    object-position: center center;
    box-shadow: none;
    -webkit-mask-image: linear-gradient(
      to right,
      transparent 0%,
      rgba(0, 0, 0, 0.04) 12%,
      rgba(0, 0, 0, 0.32) 30%,
      #000 56%,
      #000 100%
    );
    mask-image: linear-gradient(
      to right,
      transparent 0%,
      rgba(0, 0, 0, 0.04) 12%,
      rgba(0, 0, 0, 0.32) 30%,
      #000 56%,
      #000 100%
    );
  }

  .hero-visual-badges {
    position: absolute;
    z-index: 3;
    right: clamp(1rem, 2vw, 1.45rem);
    bottom: clamp(1rem, 2vw, 1.45rem);
    grid-template-columns: repeat(2, minmax(190px, 1fr));
    width: min(520px, calc(100% - 2rem));
    margin-top: 0;
  }
}

@media (min-width: 901px) and (max-width: 1180px) {
  .hero-copy {
    width: min(58%, 680px);
  }

  .hero-visual {
    right: clamp(-132px, -8vw, -72px);
    width: min(78vw, 880px);
  }

  .hero-visual-badges {
    grid-template-columns: 1fr;
    width: min(340px, calc(100% - 2rem));
  }

  .hero-visual-badges span {
    min-height: 0;
    padding: 0.68rem 0.78rem;
    font-size: 0.86rem;
  }
}

@media (max-width: 900px) {
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .hero-copy {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 720px;
    padding: 0;
  }

  .hero-visual {
    position: relative;
    z-index: 1;
    top: auto;
    right: auto;
    width: 100%;
    height: auto;
    margin-top: clamp(1.35rem, 5vw, 2rem);
    transform: none;
  }

  .hero-visual-card.hero-photo-card {
    display: grid;
    min-height: 0;
    padding: clamp(0.78rem, 2.6vw, 1.1rem);
    background:
      radial-gradient(circle at 10% 8%, rgba(247, 231, 189, 0.62), transparent 24%),
      radial-gradient(circle at 92% 14%, rgba(255, 225, 236, 0.72), transparent 24%),
      rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(26, 166, 166, 0.16);
    border-radius: 24px;
    box-shadow: 0 24px 54px rgba(18, 48, 71, 0.12);
    overflow: hidden;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .hero-visual-card.hero-photo-card::before,
  .hero-visual-card.hero-photo-card::after {
    content: none;
  }

  .comparison-vs {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }

  .comparison-vs-badge {
    position: relative;
    left: auto;
    top: auto;
    margin: -0.1rem auto;
    transform: none;
  }

  .comparison-icon-wrap {
    width: 78px;
    height: 78px;
  }

  .comparison-icon-wrap img {
    width: 66px;
    height: 66px;
  }

  .comparison-icon-wrap.slb-icon img {
    width: 62px;
    height: 62px;
  }

  .hero-illustration.hero-photo {
    width: 100%;
    height: auto;
    max-width: 640px;
    max-height: 420px;
    border-radius: 22px;
    object-fit: contain;
    box-shadow: 0 18px 36px rgba(18, 48, 71, 0.11);
    -webkit-mask-image: none;
    mask-image: none;
  }

  .hero-visual-badges {
    position: static;
    width: 100%;
    margin-top: 1rem;
  }
}

@media (max-width: 760px) {
  .hero-visual-card.hero-photo-card {
    min-height: 0;
  }

  .hero-illustration.hero-photo {
    max-height: 320px;
    border-radius: 18px;
  }
}

/* AI bot manual page */
.ai-manual-section {
  background:
    radial-gradient(circle at 8% 8%, rgba(26, 166, 166, 0.08), transparent 26%),
    radial-gradient(circle at 94% 18%, rgba(232, 62, 124, 0.08), transparent 28%),
    var(--cream);
}

.manual-card {
  display: grid;
  gap: clamp(1.45rem, 3vw, 2.25rem);
}

.manual-section {
  padding-bottom: clamp(1.2rem, 3vw, 2rem);
  border-bottom: 1px solid rgba(26, 166, 166, 0.12);
}

.manual-section:last-of-type {
  border-bottom: 0;
}

.manual-section h2 {
  margin-bottom: 0.8rem;
  color: var(--navy);
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.42;
  line-break: strict;
  word-break: keep-all;
}

.manual-example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}

.manual-example {
  display: grid;
  gap: 0.42rem;
  min-width: 0;
  padding: 0.95rem 1rem;
  background:
    linear-gradient(135deg, rgba(228, 248, 246, 0.68), rgba(255, 255, 255, 0.92));
  border: 1px solid rgba(26, 166, 166, 0.16);
  border-left: 5px solid var(--teal);
  border-radius: 14px;
}

.manual-example span {
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.04em;
}

.manual-example code {
  color: var(--navy);
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 850;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.manual-note,
.manual-warning {
  margin-top: 1rem;
  padding: 0.95rem 1rem;
  border-radius: 14px;
  font-weight: 800;
  line-height: 1.8;
}

.manual-note {
  color: var(--teal-dark);
  background: rgba(228, 248, 246, 0.78);
  border: 1px solid rgba(26, 166, 166, 0.17);
}

.manual-warning {
  color: #7d314d;
  background: rgba(255, 225, 236, 0.72);
  border: 1px solid rgba(232, 62, 124, 0.16);
}

.manual-checklist {
  display: grid;
  gap: 0.62rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.manual-checklist li {
  position: relative;
  min-width: 0;
  padding: 0.72rem 0.8rem 0.72rem 2.1rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(26, 166, 166, 0.12);
  border-radius: 12px;
  color: var(--navy);
  font-weight: 800;
}

.manual-checklist li::before {
  content: "";
  position: absolute;
  left: 0.86rem;
  top: 1.18rem;
  width: 0.48rem;
  height: 0.48rem;
  background: var(--coral);
  border-radius: 999px;
  box-shadow: 0 0 0 4px rgba(232, 62, 124, 0.12);
}

.manual-rich-menu {
  margin: 1.2rem 0;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(26, 166, 166, 0.14);
  border-radius: 18px;
  box-shadow: 0 14px 32px rgba(18, 48, 71, 0.07);
}

.manual-rich-menu img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
}

.manual-rich-menu figcaption {
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
  text-align: center;
}

.manual-menu-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.manual-menu-item {
  min-width: 0;
  padding: 0.95rem 1rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(26, 166, 166, 0.12);
  border-left: 5px solid var(--teal);
  border-radius: 14px;
}

.manual-menu-item:nth-child(even) {
  border-left-color: var(--coral);
}

.manual-menu-item h3 {
  margin-bottom: 0.35rem;
  color: var(--navy);
  font-size: 1.05rem;
}

.manual-menu-item p {
  margin-bottom: 0;
}

.manual-menu-item p + p {
  margin-top: 0.45rem;
}

.manual-menu-item .manual-example,
.manual-menu-item .manual-example-grid {
  margin-top: 0.75rem;
}

.manual-cta {
  display: grid;
  justify-items: center;
  gap: 0.85rem;
  padding: clamp(1.35rem, 4vw, 2.2rem);
  text-align: center;
  background:
    radial-gradient(circle at 12% 16%, rgba(247, 231, 189, 0.7), transparent 34%),
    linear-gradient(135deg, rgba(228, 248, 246, 0.76), rgba(255, 255, 255, 0.94));
  border: 1px solid rgba(201, 153, 61, 0.24);
  border-radius: 20px;
}

.manual-cta h2,
.manual-cta p {
  margin-bottom: 0;
}

.manual-cta h2 {
  color: var(--navy);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.45;
}

.manual-cta p:not(.eyebrow) {
  max-width: 680px;
  color: var(--muted);
  font-weight: 800;
}

@media (max-width: 760px) {
  .manual-example-grid {
    grid-template-columns: 1fr;
  }

  .manual-cta .button {
    width: 100%;
  }
}