:root {
  --ink: #1b1f18;
  --soft-ink: #44503d;
  --card: #fffdf7;
  --line: #d7d2c3;
  --accent: #355e3b;
  --accent-light: #e0eedf;
  --sleep: #345d4a;
  --meal: #9a5f2d;
  --move: #3f5ea6;
  --shadow: 0 18px 40px rgba(30, 35, 24, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(199, 111, 40, 0.08), transparent 30%),
    radial-gradient(circle at 90% 20%, rgba(53, 94, 59, 0.08), transparent 34%),
    linear-gradient(180deg, #f5f3ea 0%, #fdfcf8 45%, #f6f0e4 100%);
  line-height: 1.75;
}

.hero {
  max-width: 1120px;
  margin: 20px auto 0;
  padding: 24px 18px 68px;
}

.top-nav {
  display: flex;
  gap: 18px;
  justify-content: flex-end;
  flex-wrap: wrap;
  margin-bottom: 54px;
}

.top-nav a {
  color: var(--soft-ink);
  text-decoration: none;
  font-size: 0.92rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease;
}

.top-nav a:hover {
  border-color: var(--soft-ink);
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: "Shippori Mincho", "Yu Mincho", serif;
  line-height: 1.35;
}

h1 {
  margin: 10px 0 12px;
  font-size: clamp(2rem, 6vw, 4.2rem);
}

.lead {
  max-width: 760px;
  margin: 0 0 30px;
  color: var(--soft-ink);
}

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

.button {
  display: inline-block;
  padding: 11px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

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

.button.ghost {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.55);
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 18px 64px;
}

.section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.section h2 {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.hero-illustration {
  margin: 16px 0 0;
}

.hero-illustration img {
  width: 100%;
  max-width: 940px;
  display: block;
  border-radius: 16px;
  border: 1px solid #e7e1cf;
  box-shadow: 0 10px 24px rgba(30, 35, 24, 0.08);
}

.chapter-map-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.chapter-map {
  border-radius: 16px;
  padding: 18px;
  border: 1px solid #e0dacb;
  background: linear-gradient(160deg, #fffef9 0%, #f8f5eb 100%);
}

.chapter-map.sleep {
  border-top: 6px solid var(--sleep);
}

.chapter-map.meal {
  border-top: 6px solid var(--meal);
}

.chapter-map.move {
  border-top: 6px solid var(--move);
}

.chapter-no {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #5c675f;
}

.chapter-map h3 {
  margin: 6px 0 8px;
  font-size: 1.4rem;
}

.chapter-goal {
  margin-top: 0;
  font-weight: 700;
}

.chapter-section.sleep {
  border-left: 8px solid var(--sleep);
}

.chapter-section.meal {
  border-left: 8px solid var(--meal);
}

.chapter-section.move {
  border-left: 8px solid var(--move);
}

.chapter-section ul,
.schedule ol,
.toc ol {
  margin: 0;
  padding-left: 22px;
}

.toc-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.toc-grid h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.toc li {
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.outcome-list {
  display: grid;
  gap: 8px;
}

.outcome-list p {
  margin: 0;
  padding: 12px 14px;
  border-left: 5px solid var(--accent);
  background: var(--accent-light);
}

.schedule li {
  margin-bottom: 8px;
}

.schedule span {
  display: inline-block;
  min-width: 110px;
  font-weight: 700;
  color: #b2662a;
}

.company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.company-grid > div {
  background: #fbf8ef;
  border: 1px solid #e7e1cf;
  border-radius: 12px;
  padding: 14px;
}

.company-grid p {
  margin: 0 0 8px;
}

.footer {
  max-width: 1120px;
  margin: 0 auto 26px;
  padding: 32px 18px 22px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.footer p {
  color: var(--soft-ink);
}

.footer small {
  display: block;
  margin-top: 22px;
  color: var(--soft-ink);
}


.book-promo {
  border-left: 8px solid #1f4e3d;
  background: linear-gradient(145deg, #fffdf7 0%, #f4f8f3 100%);
}

.book-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 22px;
  align-items: start;
}

.book-cover img {
  width: 100%;
  display: block;
  border-radius: 12px;
  border: 1px solid #d7d2c3;
  box-shadow: 0 10px 24px rgba(30, 35, 24, 0.12);
}

.book-label {
  display: inline-block;
  margin: 0 0 8px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #e3efe6;
  color: #1f4e3d;
  font-size: 0.82rem;
  font-weight: 700;
}

.book-body h3 {
  margin: 0 0 10px;
  font-size: clamp(1.25rem, 2.3vw, 1.7rem);
}

.book-body p {
  margin: 0 0 12px;
}

.book-body ul {
  margin: 0 0 16px;
  padding-left: 18px;
}

.book-rank {
  display: inline-block;
  margin: 0 0 10px;
  padding: 6px 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, #c8922e, #e4b14d);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.book-rank-note {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-left: 4px solid #c8922e;
  background: #fff8e8;
  font-weight: 500;
}

.reference-training {
  border-left: 8px solid #3d6e9f;
  background: linear-gradient(145deg, #fcfefc 0%, #f2f7fb 100%);
}

.ref-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 22px;
  align-items: start;
}

.ref-visual img {
  width: 100%;
  display: block;
  border-radius: 12px;
  border: 1px solid #d7dfe5;
  box-shadow: 0 10px 24px rgba(30, 35, 24, 0.12);
}

.ref-label {
  display: inline-block;
  margin: 0 0 8px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #e8eff8;
  color: #2f5f92;
  font-size: 0.82rem;
  font-weight: 700;
}

.ref-body h3 {
  margin: 0 0 10px;
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
}

.ref-body p {
  margin: 0 0 12px;
}

.ref-body ul {
  margin: 0 0 16px;
  padding-left: 18px;
}

.hero-title-image {
  margin: 16px 0 18px;
}

.hero-title-image img {
  width: 100%;
  max-width: 980px;
  display: block;
  border-radius: 14px;
  border: 1px solid #d9dde0;
  box-shadow: 0 12px 26px rgba(20, 30, 40, 0.14);
}

.visual-gallery {
  border-left: 8px solid #2f5f92;
  background: linear-gradient(145deg, #fdfefe 0%, #f2f7fb 100%);
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.visual-grid figure {
  margin: 0;
}

.visual-grid img {
  width: 100%;
  display: block;
  border-radius: 12px;
  border: 1px solid #d7dfe5;
  box-shadow: 0 10px 24px rgba(30, 35, 24, 0.12);
}
@media (max-width: 980px) {
  .chapter-map-grid,
  .toc-grid,
  .visual-grid {
    grid-template-columns: 1fr;
  }

  .book-grid,
  .ref-grid,
  .company-grid {
    grid-template-columns: 1fr;
  }

  .top-nav {
    justify-content: flex-start;
    margin-bottom: 28px;
  }

  .schedule span {
    min-width: 95px;
  }
}








/* Hero redesign */
.hero {
  background: linear-gradient(160deg, #fffef9 0%, #f6f2e8 100%);
  border: 1px solid #ddd5c4;
  border-radius: 20px;
  box-shadow: 0 18px 40px rgba(30, 35, 24, 0.09);
}

.site-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e4ddcd;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #1f4e3d;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
}

.logo-text {
  color: #1f4e3d;
  font-weight: 700;
  font-size: 0.96rem;
}

.site-link {
  color: #2f5f92;
  text-decoration: none;
  font-weight: 700;
  border-bottom: 1px solid transparent;
}

.site-link:hover {
  border-color: #2f5f92;
}

.hero-title {
  margin: 10px 0 10px;
  font-size: clamp(1.9rem, 4.5vw, 3.3rem);
  letter-spacing: 0.01em;
  color: #122b3d;
}

.hero-title-image img {
  max-width: 1020px;
}

@media (max-width: 980px) {
  .site-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}