.section-page {
  min-height: 100vh;
  padding: 122px clamp(18px, 5vw, 72px) 70px;
  background: var(--paper);
}

.section-wrap {
  width: min(980px, 100%);
  margin: 0 auto;
}

.section-hero {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin-bottom: 34px;
}

.section-hero h1 {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(46px, 7vw, 82px);
  line-height: 1;
  color: rgba(67, 103, 122, 0.9);
}

.section-hero p,
.section-card p,
.section-list p,
.chapter-meta {
  margin: 0;
  color: rgba(47, 50, 50, 0.72);
  line-height: 1.65;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.section-card {
  display: grid;
  gap: 10px;
  padding: 22px;
  border: 1px solid rgba(47, 50, 50, 0.1);
  border-radius: 8px;
  background: rgba(255, 254, 253, 0.86);
  box-shadow: 0 14px 34px rgba(58, 68, 73, 0.07);
}

.section-card h2,
.section-card h3 {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  color: rgba(47, 50, 50, 0.88);
}

.section-card h2 {
  font-size: 34px;
}

.section-card h3 {
  font-size: 28px;
}

.section-card a,
.section-list a,
.chapter-nav a,
.back-link {
  color: #4f85a4;
  font-weight: 700;
  text-decoration: none;
}

.section-list {
  display: grid;
  border-top: 1px solid rgba(47, 50, 50, 0.1);
}

.section-list article {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 22px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(47, 50, 50, 0.1);
}

.section-thumb {
  width: 120px;
  height: 120px;
  overflow: hidden;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: rgba(159, 196, 219, 0.16);
  color: rgba(47, 50, 50, 0.55);
  font-weight: 700;
  text-align: center;
}

.section-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section-list h2 {
  margin: 0 0 8px;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 36px;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.pill-row a,
.pill-row span {
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(108, 155, 183, 0.13);
  color: #4f85a4;
  font-size: 14px;
  font-weight: 700;
}

.module-list {
  display: grid;
  gap: 18px;
}

.module-box {
  padding: 22px;
  border: 1px solid rgba(47, 50, 50, 0.1);
  border-radius: 8px;
  background: rgba(255, 254, 253, 0.86);
}

.module-box h2 {
  margin: 0 0 8px;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 34px;
}

.module-box h3 {
  margin: 0 0 8px;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 28px;
}

.category-depth-1 {
  margin-left: 24px;
}

.category-depth-2,
.category-depth-3,
.category-depth-4 {
  margin-left: 48px;
}

.chapter-list {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.chapter-list a,
.chapter-list span {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(159, 196, 219, 0.1);
}

.chapter-list small {
  display: block;
  margin-top: 4px;
  color: rgba(47, 50, 50, 0.62);
  font-size: 14px;
  line-height: 1.45;
}

.reading-box,
.learning-box,
.exercise-box,
.notice-box {
  padding: 22px;
  border: 1px solid rgba(47, 50, 50, 0.1);
  border-radius: 8px;
  background: rgba(255, 254, 253, 0.9);
}

.reading-box {
  font-size: 18px;
  line-height: 1.85;
  overflow: hidden;
}

.reading-box h2,
.reading-box h3,
.learning-box h2,
.exercise-box h2,
.notice-box h2 {
  font-family: "Cormorant Garamond", Georgia, serif;
}

.reading-box figure {
  max-width: 560px;
  margin: 28px auto;
}

.reading-box figure img,
.reading-box > img,
.reading-box p > img {
  display: block;
  width: auto;
  max-width: min(100%, 560px);
  height: auto;
  margin: 0 auto;
  border-radius: 8px;
}

.reading-box figcaption {
  margin-top: 8px;
  color: rgba(47, 50, 50, 0.62);
  font-size: 15px;
  line-height: 1.5;
  text-align: center;
}

.notice-box {
  margin-top: 18px;
  background: rgba(159, 196, 219, 0.1);
}

.notice-box p,
.notice-box li {
  line-height: 1.72;
}

.chapter-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.simple-page {
  background:
    linear-gradient(180deg, rgba(255, 250, 243, 0.96), rgba(255, 254, 253, 0.98)),
    var(--paper);
}

.simple-hero {
  max-width: 820px;
  margin-bottom: 42px;
}

.simple-kicker {
  margin: 0 0 2px;
  color: #8d8a5e;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.simple-section {
  display: grid;
  gap: 16px;
  margin: 0 0 34px;
}

.simple-section h2,
.simple-note h2 {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(34px, 5vw, 48px);
  line-height: 1.08;
  color: rgba(47, 50, 50, 0.88);
}

.simple-section h3 {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 26px;
  color: rgba(67, 103, 122, 0.95);
}

.simple-section p,
.simple-note p,
.simple-section-lead {
  max-width: 760px;
  margin: 0;
  color: rgba(47, 50, 50, 0.74);
  font-size: 17px;
  line-height: 1.75;
}

.simple-band,
.simple-note {
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid rgba(47, 50, 50, 0.09);
  border-radius: 8px;
  background: rgba(255, 254, 253, 0.78);
  box-shadow: 0 16px 38px rgba(58, 68, 73, 0.06);
}

.simple-card-grid,
.simple-tile-grid,
.simple-feature-grid,
.simple-topic-grid,
.simple-steps {
  display: grid;
  gap: 14px;
}

.simple-card-grid {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.simple-card-grid-wide {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.simple-card,
.simple-feature,
.simple-step,
.simple-tile,
.simple-topic-grid a {
  border: 1px solid rgba(47, 50, 50, 0.09);
  border-radius: 8px;
  background: rgba(255, 254, 253, 0.82);
}

.simple-card {
  display: grid;
  gap: 8px;
  padding: 20px;
}

.simple-card p,
.simple-feature p {
  margin: 0;
  color: rgba(47, 50, 50, 0.7);
  line-height: 1.62;
}

.simple-tile-grid {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.simple-tile,
.simple-topic-grid a {
  display: flex;
  align-items: center;
  min-height: 58px;
  padding: 14px 16px;
  color: #4f85a4;
  font-weight: 700;
  text-decoration: none;
}

.simple-feature-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.simple-feature {
  display: grid;
  gap: 10px;
  min-height: 170px;
  padding: 22px;
  color: inherit;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.simple-feature:hover,
.simple-feature:focus-visible,
.simple-topic-grid a:hover,
.simple-topic-grid a:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(58, 68, 73, 0.08);
}

.simple-check-list,
.simple-question-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.simple-check-list li,
.simple-question-list li {
  padding: 12px 14px;
  border-left: 3px solid rgba(108, 155, 183, 0.42);
  background: rgba(159, 196, 219, 0.1);
  color: rgba(47, 50, 50, 0.74);
  line-height: 1.55;
}

.simple-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.simple-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 999px;
  background: #6c9bb7;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.simple-button-soft {
  background: rgba(108, 155, 183, 0.14);
  color: #4f85a4;
}

.simple-steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.simple-step {
  display: grid;
  gap: 12px;
  padding: 20px;
}

.simple-step span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(141, 138, 94, 0.14);
  color: #7e7a4d;
  font-weight: 800;
}

.simple-step p {
  margin: 0;
  color: rgba(47, 50, 50, 0.74);
  line-height: 1.55;
}

.simple-topic-grid {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.simple-note {
  display: grid;
  gap: 10px;
  border-color: rgba(141, 138, 94, 0.18);
  background: rgba(244, 230, 192, 0.2);
}

@media (max-width: 700px) {
  .section-page {
    padding: 104px 16px 48px;
  }

  .section-list article {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .section-thumb {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 10;
  }

  .category-depth-1,
  .category-depth-2,
  .category-depth-3,
  .category-depth-4 {
    margin-left: 0;
  }

  .simple-hero {
    margin-bottom: 30px;
  }

  .simple-band,
  .simple-note {
    padding: 20px;
  }

  .simple-steps {
    grid-template-columns: 1fr;
  }

  .simple-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .simple-button {
    width: 100%;
  }
}