/* ===== 伝えたい想い — Warm Editorial Style ===== */

/* ページ固有のカラーパレット */
.ot-page {
  --ot-white: #ffffff;
  --ot-off-white: #f9f9f7;
  --ot-warm-gray: #f1efec;
  --ot-line: #dcd9d4;
  --ot-text-primary: #1a1a1a;
  --ot-text-body: #4a4640;
  --ot-text-light: #7d7870;
  --ot-text-muted: #a09a93;
  --ot-accent: #b85a2b;
  --ot-accent-soft: rgba(184,90,43,0.08);
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.ot-hero {
  min-height: 100vh;
  background:
    radial-gradient(ellipse at 80% 50%, rgba(184,90,43,0.40) 0%, rgba(184,90,43,0.18) 40%, transparent 70%),
    var(--ot-off-white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 160px 24px 100px;
  position: relative;
  overflow: hidden;
}
.ot-hero::before {
  content: '';
  position: absolute;
  right: 8%;
  top: 35%;
  transform: translateY(-50%);
  width: clamp(160px, 22vw, 320px);
  height: clamp(160px, 22vw, 320px);
  background: url('../material/images/logo/contentsx-mark.webp') no-repeat center / contain;
  opacity: 0.25;
  filter: invert(1) contrast(3) brightness(2) blur(3px);
  mix-blend-mode: screen;
  pointer-events: none;
}

.ot-hero-label {
  font-size: 0.68rem;
  letter-spacing: 0.5em;
  color: var(--ot-text-muted);
  text-transform: uppercase;
  margin-bottom: 56px;
  font-weight: 400;
  opacity: 0;
  animation: otFadeUp 0.8s ease forwards 0.3s;
}

.ot-hero h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  font-weight: 900;
  color: var(--ot-text-primary);
  line-height: 1.8;
  letter-spacing: 0.1em;
  margin-bottom: 48px;
  opacity: 0;
  animation: otFadeUp 1s ease forwards 0.6s;
}

.ot-hero-sub {
  font-size: 0.88rem;
  color: var(--ot-text-light);
  line-height: 2.4;
  max-width: 400px;
  letter-spacing: 0.07em;
  opacity: 0;
  animation: otFadeUp 1s ease forwards 0.9s;
}

.ot-hero-line {
  width: 1px;
  height: 72px;
  background: var(--ot-line);
  position: absolute;
  bottom: 40px;
  left: 50%;
  opacity: 0;
  animation: otFadeUp 1s ease forwards 1.4s;
}

/* ===== SECTION ===== */
.ot-section {
  padding: 140px 24px;
  max-width: 680px;
  margin: 0 auto;
}

.ot-section-alt {
  padding: 140px 24px;
  background: var(--ot-warm-gray);
}

.ot-section-alt .ot-inner {
  max-width: 680px;
  margin: 0 auto;
}

.ot-section-num {
  font-size: 0.62rem;
  letter-spacing: 0.5em;
  color: var(--ot-text-muted);
  font-weight: 400;
  margin-bottom: 28px;
  display: block;
}

.ot-section h2,
.ot-section-alt h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.4rem, 3.2vw, 1.9rem);
  font-weight: 900;
  line-height: 1.85;
  margin-bottom: 48px;
  letter-spacing: 0.07em;
  color: var(--ot-text-primary);
}

.ot-section p,
.ot-section-alt p {
  font-size: 0.92rem;
  color: var(--ot-text-body);
  line-height: 2.3;
  margin-bottom: 28px;
  letter-spacing: 0.03em;
}

.ot-lead {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1rem, 2.2vw, 1.15rem) !important;
  font-weight: 700;
  line-height: 2.1;
  margin-bottom: 28px;
  color: var(--ot-text-primary) !important;
  letter-spacing: 0.05em;
}

.ot-accent { color: var(--ot-accent); }

/* ===== DIVIDER ===== */
.ot-divider {
  width: 40px;
  height: 1px;
  background: var(--ot-line);
  margin: 72px 0;
}

/* ===== STAT ===== */
.ot-stat-single {
  margin: 64px 0;
  text-align: center;
  padding: 56px 24px;
  border-top: 1px solid var(--ot-line);
  border-bottom: 1px solid var(--ot-line);
}

.ot-stat-num {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(3rem, 8vw, 4.5rem);
  font-weight: 900;
  color: var(--ot-text-primary);
  line-height: 1.1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.ot-stat-unit {
  font-size: 1.2rem;
  font-weight: 400;
}

.ot-stat-sub {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--ot-text-light);
  margin-top: 8px;
  letter-spacing: 0.08em;
}

.ot-stat-label {
  font-size: 0.78rem;
  color: var(--ot-text-muted);
  letter-spacing: 0.06em;
  margin-top: 20px;
}

/* ===== MVV BLOCKS ===== */
.ot-mvv-group {
  margin: 64px 0;
}

.ot-mvv-block {
  padding: 48px 0;
  border-bottom: 1px solid var(--ot-line);
}

.ot-mvv-block:first-child {
  border-top: 1px solid var(--ot-line);
}

.ot-mvv-label {
  font-size: 0.62rem;
  letter-spacing: 0.5em;
  color: var(--ot-text-muted);
  font-weight: 400;
  margin-bottom: 20px;
  display: block;
  text-transform: uppercase;
}

.ot-mvv-text {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.2rem, 2.8vw, 1.6rem);
  font-weight: 900;
  line-height: 1.9;
  color: var(--ot-text-primary);
  letter-spacing: 0.06em;
}

.ot-mvv-sub {
  font-size: 0.85rem;
  color: var(--ot-text-light);
  margin-top: 16px;
  line-height: 2.2;
  letter-spacing: 0.04em;
}

/* ===== VALUES ===== */
.ot-values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 56px 0;
}

.ot-value-item {
  padding: 48px 0;
  border-bottom: 1px solid var(--ot-line);
}

.ot-value-item:first-child {
  border-top: 1px solid var(--ot-line);
}

.ot-value-num {
  font-size: 0.62rem;
  letter-spacing: 0.4em;
  color: var(--ot-text-muted);
  margin-bottom: 16px;
  display: block;
}

.ot-value-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 900;
  color: var(--ot-text-primary);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  line-height: 1.7;
}

.ot-value-desc {
  font-size: 0.88rem;
  color: var(--ot-text-light);
  line-height: 2.2;
  letter-spacing: 0.03em;
  margin-bottom: 0;
}

/* ===== TWO PATHS ===== */
.ot-paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--ot-line);
  margin: 56px 0;
  border: 1px solid var(--ot-line);
}

.ot-path-item {
  background: var(--ot-white);
  padding: 48px 36px;
}

.ot-path-label {
  font-size: 0.62rem;
  letter-spacing: 0.4em;
  color: var(--ot-text-muted);
  margin-bottom: 20px;
  display: block;
}

.ot-path-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ot-text-primary);
  line-height: 1.8;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.ot-path-desc {
  font-size: 0.85rem;
  color: var(--ot-text-light);
  line-height: 2.2;
  margin: 0;
}

/* ===== CLOSING ===== */
.ot-closing {
  padding: 160px 24px;
  text-align: center;
  background: var(--ot-off-white);
}

.ot-closing h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.4rem, 3.2vw, 1.9rem);
  font-weight: 900;
  line-height: 1.85;
  letter-spacing: 0.07em;
  color: var(--ot-text-primary);
  margin-bottom: 32px;
}

.ot-closing p {
  max-width: 480px;
  margin: 0 auto 20px;
  color: var(--ot-text-light);
  text-align: center;
  font-size: 0.92rem;
  line-height: 2.3;
  letter-spacing: 0.03em;
}

.ot-closing-logo {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--ot-text-muted);
  margin-top: 56px;
}

/* ===== ANIMATIONS ===== */
@keyframes otFadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .ot-hero {
    padding: 140px 20px 80px;
    min-height: auto;
  }
  .ot-hero h1 {
    font-size: 1.6rem;
  }
  .ot-hero-sub {
    font-size: 0.82rem;
  }
  .ot-section {
    padding: 100px 20px;
  }
  .ot-section-alt {
    padding: 100px 20px;
  }
  .ot-paths {
    grid-template-columns: 1fr;
  }
  .ot-path-item {
    padding: 36px 24px;
  }
  .ot-closing {
    padding: 120px 20px;
  }
  .ot-stat-single {
    margin: 48px 0;
    padding: 40px 16px;
  }
  .ot-mvv-block {
    padding: 36px 0;
  }
  .ot-value-item {
    padding: 36px 0;
  }
}

@media (max-width: 480px) {
  .ot-hero {
    padding: 120px 16px 56px;
  }
  .ot-hero h1 {
    font-size: 1.4rem;
    letter-spacing: 0.06em;
  }
  .ot-hero-label {
    margin-bottom: 36px;
  }
  .ot-hero-sub {
    font-size: 0.78rem;
    line-height: 2.1;
  }
  .ot-hero-line {
    height: 48px;
    bottom: 24px;
  }
  .ot-section {
    padding: 72px 16px;
  }
  .ot-section-alt {
    padding: 72px 16px;
  }
  .ot-section h2,
  .ot-section-alt h2 {
    font-size: 1.2rem;
    margin-bottom: 32px;
  }
  .ot-section p,
  .ot-section-alt p {
    font-size: 0.85rem;
    line-height: 2.1;
    margin-bottom: 20px;
  }
  .ot-lead {
    font-size: 0.95rem !important;
  }
  .ot-closing {
    padding: 80px 16px;
  }
  .ot-closing h2 {
    font-size: 1.2rem;
  }
  .ot-closing p {
    font-size: 0.85rem;
  }
  .ot-path-item {
    padding: 28px 20px;
  }
  .ot-path-title {
    font-size: 0.95rem;
  }
  .ot-path-desc {
    font-size: 0.8rem;
  }
  .ot-stat-num {
    font-size: 2.5rem;
  }
  .ot-stat-sub {
    font-size: 0.95rem;
  }
  .ot-mvv-text {
    font-size: 1.1rem;
  }
  .ot-value-title {
    font-size: 1.05rem;
  }
  .ot-value-desc {
    font-size: 0.82rem;
  }
  .ot-divider {
    margin: 48px 0;
  }
}