:root {
  --cream: #fff8ee;
  --paper: #ffffff;
  --gold: #e8a020;
  --gold-light: #ffd88a;
  --gold-deep: #c4840f;
  --stock-blue: #1e4a7a;
  --stock-blue-soft: #e8f2fb;
  --ink: #1a1a1a;
  --ink-muted: #5a5a5a;
  --line: #e6dcc8;
  --happy: #2cb67d;
  --unhappy: #9ca3af;
  --shadow: 0 12px 36px rgba(26, 26, 26, 0.08);
  --radius: 16px;
  --font: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --max: 1080px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--cream);
}

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

a {
  color: var(--stock-blue);
}

.container {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.notice-bar {
  background: var(--ink);
  color: #fff;
  font-size: 0.76rem;
  line-height: 1.5;
  padding: 0.55rem 1rem;
  text-align: center;
}

.notice-bar strong {
  color: var(--gold-light);
}

.ken-banner {
  background: linear-gradient(90deg, #c4840f 0%, var(--gold) 40%, #ffe082 100%);
  border-bottom: 3px solid var(--ink);
  padding: 0.7rem 1rem;
  text-align: center;
}

.ken-banner p {
  margin: 0;
  font-weight: 900;
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  color: var(--ink);
}

.ken-banner .sub {
  display: block;
  font-size: 0.76rem;
  font-weight: 700;
  margin-top: 0.2rem;
}

.ken-hero-showcase {
  position: relative;
  margin-bottom: 0.85rem;
}

.ken-hero-figure {
  position: relative;
  margin: 0;
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 8px 8px 0 var(--ink);
  background: #fff;
}

.ken-hero-main {
  width: 100%;
  height: auto;
  display: block;
  max-height: 320px;
  object-fit: cover;
  object-position: center 20%;
}

.ken-hero-label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 900;
  margin: 0.5rem 0 0;
  color: var(--gold-deep);
}

.ken-quote-split .ken-quote-inner {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  max-width: 52rem;
  margin-inline: auto;
  text-align: left;
}

.ken-quote-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 3px solid var(--gold-light);
  object-fit: cover;
  flex-shrink: 0;
}

.ken-section-strip {
  display: flex;
  gap: 1rem;
  align-items: center;
  max-width: 40rem;
  margin: 0 auto 1.75rem;
  padding: 0.85rem 1rem;
  background: #fff;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--ink);
}

.ken-section-strip img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 2px solid var(--ink);
  object-fit: cover;
}

.ken-section-strip p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.line-with-ken {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2rem;
  align-items: start;
}

.ken-side-panel {
  position: sticky;
  top: 88px;
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: 6px 6px 0 var(--ink);
}

.ken-side-panel img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: center 15%;
  max-height: 280px;
}

.ken-side-caption {
  padding: 0.75rem;
  margin: 0;
  font-size: 0.82rem;
  text-align: center;
  background: linear-gradient(#fff9e6, #fff);
}

.ken-side-caption span {
  font-size: 0.7rem;
  color: var(--ink-muted);
}

.cta-with-ken {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: center;
  text-align: left;
  max-width: 42rem;
}

.cta-ken-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 4px solid var(--gold-light);
  box-shadow: 0 0 0 3px var(--ink);
  object-fit: cover;
  flex-shrink: 0;
}

.ken-portrait-card {
  display: flex;
  gap: 1rem;
  align-items: center;
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  padding: 1rem;
  background: linear-gradient(135deg, #fff 0%, #fff9e6 100%);
  box-shadow: 6px 6px 0 var(--ink);
  margin-bottom: 0.85rem;
}

.ken-portrait-lg {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 3px solid var(--ink);
  object-fit: cover;
  flex-shrink: 0;
}

.ken-portrait-card h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
}

.ken-portrait-card p {
  margin: 0;
  font-size: 0.78rem;
  color: var(--ink-muted);
}

.author-hero-card {
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 8px 8px 0 var(--ink);
  background: var(--paper);
}

.author-hero-card img {
  width: 100%;
  height: auto;
  object-fit: cover;
  max-height: 220px;
}

.author-caption {
  padding: 0.65rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 800;
  background: #fff9e6;
  border-top: 2px solid var(--ink);
}

.book-row {
  display: flex;
  gap: 0.65rem;
  margin-top: 0.85rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.book-tile {
  flex: 0 0 auto;
  width: 108px;
  text-align: center;
}

.book-cover {
  height: 140px;
  border: 3px solid var(--ink);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem;
  font-size: 0.62rem;
  font-weight: 900;
  line-height: 1.35;
  box-shadow: 4px 4px 0 var(--ink);
}

.book-cover.jewish {
  background: linear-gradient(160deg, #8b4513 0%, #d4a574 100%);
  color: #fff;
}

.book-cover.happy {
  background: linear-gradient(160deg, #f5c842 0%, #fff8dc 100%);
  color: var(--ink);
}

.book-cover.twenties {
  background: linear-gradient(160deg, #e85d4a 0%, #ffb199 100%);
  color: #fff;
}

.book-cover.art {
  padding: 0;
  overflow: hidden;
}

.book-cover.art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-tile span {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  margin-top: 0.35rem;
  color: var(--ink-muted);
}

.hm-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: center;
}

.hm-visual img {
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 var(--ink);
}

.ken-quote {
  background: var(--ink);
  color: #fff;
  text-align: center;
  padding: 2rem 1rem;
}

.ken-quote blockquote {
  margin: 0;
  font-size: clamp(1.05rem, 2.5vw, 1.35rem);
  font-weight: 900;
  line-height: 1.5;
}

.ken-quote cite {
  display: block;
  margin-top: 0.75rem;
  color: var(--gold-light);
  font-style: normal;
  font-weight: 800;
  font-size: 0.95rem;
}

.hero h1 .ken-name {
  display: block;
  font-size: clamp(1.9rem, 4.5vw, 2.75rem);
  letter-spacing: -0.03em;
}

.logo-photo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--ink);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  /* mobile nav anchor */
  background: rgba(255, 248, 238, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ink);
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--gold-light), var(--gold));
  border: 2px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.logo-stack {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-main {
  font-weight: 900;
  font-size: 1rem;
}

.logo-sub {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--ink-muted);
}

.primary-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-nav a {
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  cursor: pointer;
}

.nav-toggle span {
  height: 2px;
  width: 20px;
  margin-inline: auto;
  background: var(--ink);
}

.hero {
  padding: 2.25rem 0 3rem;
  background:
    radial-gradient(circle at 100% 0%, rgba(232, 160, 32, 0.25), transparent 50%),
    radial-gradient(circle at 0% 100%, rgba(30, 74, 122, 0.08), transparent 45%),
    var(--cream);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.3rem 0.75rem;
  background: var(--gold-light);
  border: 2px solid var(--ink);
  border-radius: 999px;
  margin-bottom: 0.85rem;
}

.hero h1 {
  font-size: clamp(1.55rem, 3.8vw, 2.35rem);
  line-height: 1.28;
  font-weight: 900;
  margin: 0 0 1rem;
}

.hero h1 .accent {
  background: linear-gradient(transparent 58%, var(--gold-light) 58%);
}

.hero-lead {
  color: var(--ink-muted);
  margin: 0 0 1.25rem;
}

.hero-lead strong {
  color: var(--ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  padding: 0.85rem 1.45rem;
  border-radius: 999px;
  border: 2px solid var(--ink);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-line {
  background: var(--happy);
  color: #fff;
  border-color: #1a7a4f;
  box-shadow: 4px 4px 0 #1a7a4f;
}

.btn-ghost {
  background: var(--paper);
  color: var(--ink);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}

.hero-note {
  font-size: 0.74rem;
  color: var(--ink-muted);
  margin: 0;
}

.hero-visual {
  background: var(--paper);
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 8px 8px 0 var(--ink);
}

.bridge-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.bridge-col {
  border: 2px solid var(--ink);
  border-radius: 12px;
  padding: 0.85rem;
  text-align: center;
}

.bridge-col.mind {
  background: #fff9e6;
}

.bridge-col.stock {
  background: var(--stock-blue-soft);
}

.bridge-col h3 {
  margin: 0 0 0.35rem;
  font-size: 0.85rem;
  font-weight: 900;
}

.bridge-col p {
  margin: 0;
  font-size: 0.72rem;
  color: var(--ink-muted);
}

.chart-demo {
  height: 100px;
  background: linear-gradient(180deg, var(--stock-blue-soft) 0%, #fff 100%);
  border: 2px dashed var(--stock-blue);
  border-radius: 10px;
  position: relative;
  overflow: hidden;
}

.chart-demo svg {
  width: 100%;
  height: 100%;
}

.visual-caption {
  font-size: 0.72rem;
  color: var(--ink-muted);
  text-align: center;
  margin: 0.65rem 0 0;
}

.section {
  padding: 3.25rem 0;
}

.section-alt {
  background: var(--paper);
  border-block: 1px solid var(--line);
}

.section-head {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 2rem;
}

.section-head h2 {
  font-size: clamp(1.4rem, 2.8vw, 1.85rem);
  font-weight: 900;
  margin: 0 0 0.65rem;
}

.section-head p {
  margin: 0;
  color: var(--ink-muted);
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.pain-card {
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 4px 4px 0 var(--ink);
}

.pain-card .icon {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.pain-card h3 {
  font-size: 1rem;
  margin: 0 0 0.5rem;
}

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

.learn-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.learn-card {
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 1.35rem;
  background: var(--paper);
}

.learn-card:nth-child(odd) {
  background: linear-gradient(135deg, #fff 0%, var(--stock-blue-soft) 100%);
}

.learn-card:nth-child(even) {
  background: linear-gradient(135deg, #fff 0%, #fff9e6 100%);
}

.learn-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.learn-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.line-benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.benefit-card {
  text-align: center;
  padding: 1.5rem 1rem;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper);
}

.benefit-num {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  background: var(--gold);
  border: 2px solid var(--ink);
  border-radius: 50%;
  font-weight: 900;
  margin-bottom: 0.65rem;
}

.company-panel {
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 1.5rem;
  background: var(--paper);
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  padding: 0.55rem 0.4rem;
  border-bottom: 1px dashed var(--line);
  text-align: left;
  vertical-align: top;
}

.company-table th {
  width: 8rem;
  font-weight: 800;
}

.faq-list {
  max-width: 42rem;
  margin: 0 auto;
}

.faq-list details {
  border: 2px solid var(--ink);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 0.65rem;
  background: var(--paper);
}

.faq-list summary {
  font-weight: 800;
  cursor: pointer;
}

.faq-list p {
  margin: 0.65rem 0 0;
  font-size: 0.92rem;
  color: var(--ink-muted);
}

.cta-section {
  text-align: center;
  padding: 3.5rem 0;
  background: linear-gradient(180deg, #fff9e6 0%, var(--cream) 100%);
}

.site-footer {
  background: var(--ink);
  color: #ddd;
  padding: 2rem 0 1.25rem;
}

.site-footer a {
  color: var(--gold-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.disclaimer-text {
  font-size: 0.76rem;
  color: #aaa;
  line-height: 1.65;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.86rem;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 0.85rem;
  font-size: 0.76rem;
  color: #888;
}

.float-cta {
  position: fixed;
  z-index: 90;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  max-width: calc(100% - 2rem);
  font-size: 0.92rem;
}

.legal-page {
  padding: 2.5rem 0 3.5rem;
}

.legal-document {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.legal-breadcrumb {
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-bottom: 1rem;
}

.legal-section {
  margin-top: 1.5rem;
}

.legal-section h2 {
  font-size: 1.1rem;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 0.25rem;
}

.legal-contact-box {
  background: #fffdf8;
  border: 1px solid var(--line);
  padding: 1rem;
  border-radius: 10px;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 1rem;
  }

  .site-header.nav-open .primary-nav {
    display: block;
  }

  .primary-nav ul {
    flex-direction: column;
  }

  .hero-grid,
  .pain-grid,
  .learn-grid,
  .line-benefits,
  .footer-grid,
  .bridge-card {
    grid-template-columns: 1fr;
  }

  .hm-section {
    grid-template-columns: 1fr;
  }

  .ken-quote-split .ken-quote-inner {
    flex-direction: column;
    text-align: center;
  }

  .line-with-ken {
    grid-template-columns: 1fr;
  }

  .ken-side-panel {
    position: static;
    max-width: 280px;
    margin-inline: auto;
  }

  .cta-with-ken {
    flex-direction: column;
    text-align: center;
  }
}