:root {
  --blue: #0d3b66;
  --blue-light: #145374;
  --bg: #f6f8fb;
  --card: #fff;
  --border: #c9d6e3;
  --text: #1a1a1a;
  --muted: #555;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Noto Sans", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  padding: 12px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--blue);
  font-weight: 700;
  font-size: 1.1rem;
}
.nav-main {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  flex: 1;
}
.nav-main a {
  color: var(--blue-light);
  text-decoration: none;
  font-size: 0.92rem;
}
.nav-main a:hover { text-decoration: underline; }
.nav-cta { font-weight: 600; }
.lang-switch a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
}
.lang-switch a.active { color: var(--blue); font-weight: 700; }

.site-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}
body.home-page .site-main { max-width: 1080px; }

.hero h1 { color: var(--blue); font-size: 1.75rem; margin: 0 0 12px; }
.lead { color: var(--muted); font-size: 1.05rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

.hero-home {
  background: linear-gradient(135deg, #fff 0%, #eef4fa 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px 24px;
  margin-bottom: 24px;
}
.hero-eyebrow {
  margin: 0 0 10px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue-light);
}
body.home-page .hero-home h1 { font-size: 2rem; line-height: 1.2; }

.home-matrix {
  margin-bottom: 28px;
  padding: 22px 20px 20px;
  background: var(--card);
  border: 2px solid var(--blue);
  border-radius: 14px;
  box-shadow: 0 8px 28px rgba(13, 59, 102, 0.1);
}
.home-matrix-head { margin-bottom: 18px; }
.home-matrix h2 {
  margin: 0 0 6px;
  font-size: 1.45rem;
  color: var(--blue);
  line-height: 1.2;
}
.home-matrix-hook {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text);
}
.home-matrix-method {
  margin: 8px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.4;
}

.home-matrix-layout {
  display: grid;
  grid-template-columns: 1fr minmax(240px, 300px);
  gap: 20px;
  align-items: start;
}
@media (max-width: 820px) {
  .home-matrix-layout { grid-template-columns: 1fr; }
}

.matrix-scroll { overflow-x: auto; }
.matrix-grid {
  width: 100%;
  min-width: 420px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.92rem;
}
.matrix-grid th,
.matrix-grid td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: center;
  vertical-align: middle;
}
.matrix-grid thead th {
  background: #e8f0f7;
  color: var(--blue);
  font-weight: 700;
  font-size: 0.82rem;
}
.matrix-corner {
  text-align: left !important;
  font-size: 0.75rem !important;
  color: var(--muted) !important;
  background: #f8fafc !important;
}
.matrix-col-4h { background: #d9e8f5 !important; }
.matrix-grid tbody th {
  text-align: left;
  background: #f8fafc;
  font-weight: 700;
  color: var(--blue-light);
  white-space: nowrap;
}
.matrix-row-4h th { background: #d9e8f5; color: var(--blue); }

.matrix-cell { background: #fff; }
.matrix-cell-4h-col { background: #f3f8fc; }
.matrix-cell-cross { background: #fafbfc; color: var(--muted); }

.matrix-cell-fastest {
  position: relative;
  background: linear-gradient(145deg, #d4edda 0%, #a8d5b8 100%) !important;
  border-color: #28a745 !important;
  box-shadow: inset 0 0 0 1px #28a745;
  padding: 14px 12px !important;
}
.matrix-badge {
  display: block;
  margin-bottom: 4px;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #155724;
}
.matrix-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 900;
  line-height: 1;
  color: #155724;
  font-variant-numeric: tabular-nums;
}
.matrix-cell-fastest .matrix-value { font-size: 2.35rem; }
.matrix-unit {
  display: block;
  margin-top: 2px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #155724;
}
.matrix-cell:not(.matrix-cell-fastest) .matrix-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  display: inline;
}
.matrix-cell:not(.matrix-cell-fastest) .matrix-unit {
  display: inline;
  margin-left: 2px;
  font-size: 0.72rem;
  color: var(--muted);
}
.matrix-footnote {
  margin: 10px 2px 0;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.35;
}

.matrix-aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.matrix-winner-callout {
  padding: 16px 14px;
  border-radius: 10px;
  background: linear-gradient(160deg, var(--blue) 0%, var(--blue-light) 100%);
  color: #fff;
  text-align: center;
}
.matrix-winner-label {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  opacity: 0.9;
}
.matrix-winner-value {
  margin: 6px 0 4px;
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.matrix-winner-value span {
  font-size: 1rem;
  font-weight: 600;
  opacity: 0.85;
}
.matrix-winner-sub {
  margin: 0;
  font-size: 0.82rem;
  opacity: 0.92;
  line-height: 1.35;
}

.matrix-facts {
  margin: 0;
  padding: 0;
  list-style: none;
}
.matrix-facts li {
  margin-bottom: 8px;
  padding: 8px 10px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.35;
}
.matrix-facts strong {
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

.matrix-aside-cta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.matrix-aside-cta .btn { text-align: center; }

.proof-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 16px;
  text-align: center;
}
.stat-card.stat-highlight {
  border-color: var(--blue);
  background: linear-gradient(180deg, #fff 0%, #e8f0f7 100%);
}
.stat-value {
  display: block;
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.35;
}

.home-tagline {
  margin: 0 0 32px;
  padding: 18px 20px;
  background: #eef4fa;
  border-left: 4px solid var(--blue);
  border-radius: 0 8px 8px 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--blue);
}
.home-tagline p { margin: 0; }
.home-tagline footer {
  margin-top: 10px;
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--muted);
}

.home-block { margin-bottom: 36px; }
.home-block h2 {
  margin: 0 0 10px;
  font-size: 1.35rem;
  color: var(--blue);
  border-bottom: 2px solid var(--border);
  padding-bottom: 6px;
}
.home-block-lead { color: var(--muted); margin: 0 0 14px; }

.home-pain-list {
  margin: 0;
  padding-left: 1.2rem;
}
.home-pain-list li { margin-bottom: 8px; }

.home-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.pillar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}
.pillar h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--blue-light);
}
.pillar p { margin: 0; font-size: 0.92rem; color: var(--muted); }

.home-soundbites {
  margin-bottom: 32px;
  padding: 18px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.home-soundbites h2 {
  margin: 0 0 12px;
  font-size: 1.15rem;
  color: var(--blue);
}
.home-soundbites ul {
  margin: 0;
  padding-left: 1.2rem;
}
.home-soundbites li {
  margin-bottom: 8px;
  border-left: 3px solid #28a745;
  list-style: none;
  padding-left: 12px;
}

.home-trust {
  margin-bottom: 32px;
  text-align: center;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.home-trust h2 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  color: var(--blue);
}
.home-trust p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 720px;
  margin-inline: auto;
}

.home-caveat {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 8px 0 0;
  line-height: 1.45;
}

body.home-page .card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: var(--blue);
}

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--blue);
  text-decoration: none;
  font-size: 0.95rem;
  cursor: pointer;
}
.btn.primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  text-decoration: none;
  color: inherit;
}
.card h2 { margin: 0 0 8px; font-size: 1.1rem; color: var(--blue); }
.card p { margin: 0; font-size: 0.9rem; color: var(--muted); }

.commercial-embed .commercial-doc {
  background: var(--card);
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
}
.commercial-embed .commercial-doc table { font-size: 0.85rem; }
.commercial-contact-hint {
  margin: 0 0 16px;
  padding: 12px 14px;
  background: #eef4fa;
  border-radius: 6px;
  font-size: 0.92rem;
}
.commercial-contact-hint a { font-weight: 600; }
.error { color: #a11; font-weight: 600; }
.sales-cta { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 10px; }

.lesson h1 { color: var(--blue); }
.lesson pre, .lesson code { background: #eef4fa; font-size: 0.88rem; }
.lesson pre { padding: 12px; overflow-x: auto; border-radius: 6px; }
.lesson table, .page table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.92rem;
  background: var(--card);
}
.lesson th, .lesson td, .page th, .page td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
}
.lesson th, .page th {
  background: #eef4fa;
  color: var(--blue);
  font-weight: 600;
}

.learn-path,
.academy-path {
  display: grid;
  gap: 14px;
  margin: 20px 0 24px;
}
.learn-card,
.academy-card {
  display: block;
  position: relative;
  padding: 16px 18px 16px 52px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.learn-card:hover,
.academy-card:hover {
  border-color: var(--blue);
  box-shadow: 0 2px 8px rgba(13, 59, 102, 0.08);
}
.learn-card h2,
.academy-card h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: var(--blue);
}
.learn-card p,
.academy-card p {
  margin: 0 0 8px;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.45;
}
.learn-step,
.academy-step {
  position: absolute;
  left: 16px;
  top: 18px;
  width: 26px;
  height: 26px;
  line-height: 26px;
  text-align: center;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
}
.learn-meta,
.academy-meta {
  font-size: 0.82rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.academy-lesson-card h2 { margin-bottom: 4px; }
.academy-lesson-card p { display: none; }
.academy-learn-cta,
.academy-track-back { margin-top: 8px; }
.academy-track-back a { color: var(--blue); font-size: 0.95rem; }
.academy-lesson-list .academy-lesson-card.academy-lesson-done::after {
  content: " ✓";
  position: absolute;
  right: 16px;
  top: 18px;
  color: var(--blue);
  font-weight: 700;
}
.learn-academy-cta { margin-top: 8px; }
.learn-lesson-meta {
  font-size: 0.9rem;
  color: var(--muted);
  margin: -8px 0 20px;
}
.learn-lesson-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  justify-content: space-between;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.95rem;
}
.learn-lesson-nav a { color: var(--blue); }
.learn-next { margin-left: auto; text-align: right; }
.learn-academy-link { font-weight: 600; }

.academy-mode-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 20px;
}
.academy-result-links a { margin-right: 4px; }

.academy-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-bottom: 16px;
  padding: 10px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
}
.academy-badges { display: flex; gap: 6px; }
.academy-badge { font-size: 1.1rem; cursor: default; }

.academy-progress { margin: 16px 0 20px; }
.academy-progress-label { display: block; font-size: 0.9rem; color: var(--muted); margin-bottom: 6px; }
.academy-progress-bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.academy-progress-fill {
  height: 100%;
  width: 0;
  background: var(--blue);
  border-radius: 4px;
  transition: width 0.4s ease;
}


.quiz-result.quiz-passed { color: #0d6b3a; font-weight: 600; }
.quiz-result.quiz-failed { color: #8b2e2e; font-weight: 600; }
.academy-badge-earned {
  margin: 12px 0;
  padding: 10px 14px;
  background: #eef6ff;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-weight: 600;
}
.quiz-review {
  list-style: none;
  padding: 0;
  margin: 16px 0;
}
.quiz-review li {
  margin: 12px 0;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.quiz-review .quiz-right { background: #f0faf4; border-color: #b8dfc8; }
.quiz-review .quiz-wrong { background: #fef6f6; border-color: #e8c4c4; }
.quiz-explain { margin: 8px 0 0; font-size: 0.92rem; color: var(--muted); }

.quiz fieldset {
  border: 1px solid var(--border);
  border-radius: 6px;
  margin: 14px 0;
  padding: 12px;
}
.quiz label { display: block; margin: 6px 0; }

.shop-products { display: grid; gap: 20px; margin-top: 20px; }
.shop-product {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}
.shop-product h2 { margin: 0 0 10px; color: var(--blue); font-size: 1.2rem; }
.shop-price {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 10px;
}
.shop-currency {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px 16px;
  margin: 12px 0;
}
.shop-currency legend { padding: 0 6px; margin-bottom: 6px; }
.shop-currency-options {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 4px;
}
.shop-currency-option {
  display: grid;
  grid-template-columns: 1.25rem 3.5rem 1fr;
  align-items: center;
  gap: 12px 16px;
  margin: 0;
  padding: 10px 8px;
  border-radius: 6px;
  cursor: pointer;
}
.shop-currency-option:hover { background: var(--bg); }
.shop-currency-option input[type="radio"] {
  display: inline-block;
  width: auto;
  max-width: none;
  margin: 0;
  padding: 0;
}
.shop-currency-code { font-weight: 500; letter-spacing: 0.02em; }
.shop-currency-amount {
  text-align: right;
  font-variant-numeric: tabular-nums;
  padding-left: 12px;
}
.form-shop label { display: block; margin: 12px 0; }
.form-shop .shop-currency-option { margin: 0; }
.form-shop input:not([type="radio"]) {
  display: block;
  width: 100%;
  max-width: 420px;
  margin-top: 4px;
  padding: 8px;
}

.form-eval label, .form-contact label {
  display: block;
  margin: 12px 0;
}
.form-eval input, .form-contact input, .form-contact textarea, .form-contact select {
  display: block;
  width: 100%;
  max-width: 420px;
  margin-top: 4px;
  padding: 8px;
}

.contact-captcha {
  margin: 16px 0;
}

.hint { font-size: 0.9rem; color: var(--muted); }

.site-footer {
  text-align: center;
  padding: 24px;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}
.site-footer a { color: var(--blue-light); }