/* ===================================
   歴史ページ専用スタイル
   =================================== */

/* ===================================
   歴史セクション共通
   =================================== */
.history-section {
  padding: 6rem 0;
}

.history-section-alt {
  background: var(--kinari-dark);
}

.history-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.history-row-reverse {
  direction: rtl;
}

.history-row-reverse > * {
  direction: ltr;
}

.history-label {
  font-size: 3rem;
  font-weight: 700;
  color: var(--ai-pale);
  line-height: 1;
  margin-bottom: 0.75rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.history-title {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  color: var(--ai);
  line-height: 1.5;
  letter-spacing: 0.1em;
  margin-bottom: 1.75rem;
  position: relative;
  padding-bottom: 1.25rem;
}

.history-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--akane);
}

.history-body {
  font-size: 0.9rem;
  line-height: 2.1;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.history-body:last-child {
  margin-bottom: 0;
}

/* 画像 */
.history-figure {
  position: relative;
}

.history-figure img {
  width: 100%;
  border-radius: 4px;
  box-shadow: var(--shadow-hover);
}

.history-figure figcaption {
  font-size: 0.75rem;
  color: var(--text-sub);
  margin-top: 0.75rem;
  line-height: 1.7;
  padding-left: 1rem;
  border-left: 2px solid var(--akane);
}

/* ===================================
   タイムライン
   =================================== */
.timeline-section {
  background: var(--ai);
  padding: 5rem 0;
}

.timeline-section .section-title {
  color: var(--white);
}

.timeline {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}

/* 縦線 */
.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 90px;
  width: 1px;
  background: rgba(255,255,255,0.15);
}

.timeline-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
  position: relative;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

/* ドット */
.timeline-item::before {
  content: '';
  position: absolute;
  top: 6px;
  left: calc(90px - 5px);
  width: 10px;
  height: 10px;
  background: var(--akane);
  border-radius: 50%;
  border: 2px solid var(--ai);
  box-shadow: 0 0 0 2px var(--akane);
}

.timeline-year {
  font-size: 0.75rem;
  color: var(--ai-pale);
  letter-spacing: 0.1em;
  padding-top: 2px;
  text-align: right;
  padding-right: 1.5rem;
}

.timeline-content h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
  letter-spacing: 0.08em;
}

.timeline-content p {
  font-size: 0.84rem;
  color: rgba(212,228,240,0.8);
  line-height: 1.9;
  font-weight: 400;
}

/* ===================================
   模様グリッド
   =================================== */
.pattern-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.pattern-card {
  background: var(--white);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}

.pattern-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.pattern-img-wrap {
  overflow: hidden;
}

.pattern-img-wrap img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.pattern-card:hover .pattern-img-wrap img {
  transform: scale(1.05);
}

.pattern-info {
  padding: 1.25rem 1.25rem 1.5rem;
}

.pattern-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ai);
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.pattern-meaning {
  font-size: 0.8rem;
  color: var(--text);
  line-height: 1.9;
  font-weight: 400;
}

/* ===================================
   技法紹介
   =================================== */
.technique-section {
  padding: 5rem 0;
  background: var(--kinari-dark);
}

.technique-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 3rem;
}

.technique-item {
  text-align: center;
  padding: 0 1rem;
}

.technique-num {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--ai-pale);
  line-height: 1;
  margin-bottom: 1rem;
  font-variant-numeric: tabular-nums;
}

.technique-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ai);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.technique-item p {
  font-size: 0.83rem;
  color: var(--text);
  line-height: 1.95;
  font-weight: 400;
}

/* ===================================
   CTAバナー
   =================================== */
.history-cta {
  padding: 4rem 0;
}

.cta-banner {
  background: var(--ai);
  border-radius: 8px;
  padding: 3rem 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.cta-text h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.cta-text p {
  font-size: 0.85rem;
  color: var(--ai-pale);
  line-height: 1.8;
  font-weight: 400;
}

.cta-btns {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
}

.cta-btns .btn-outline {
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}

.cta-btns .btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}

/* ===================================
   レスポンシブ
   =================================== */
@media (max-width: 900px) {
  .history-row {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .history-row-reverse {
    direction: ltr;
  }

  .pattern-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .technique-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 3rem auto 0;
  }

  .cta-banner {
    flex-direction: column;
    text-align: center;
    padding: 2.5rem 2rem;
  }
}

@media (max-width: 600px) {
  .history-section {
    padding: 4rem 0;
  }

  .pattern-grid {
    grid-template-columns: 1fr;
    max-width: 380px;
    margin: 0 auto;
  }

  .timeline::before {
    left: 70px;
  }

  .timeline-item {
    grid-template-columns: 70px 1fr;
  }

  .timeline-item::before {
    left: calc(70px - 5px);
  }

  .cta-btns {
    flex-direction: column;
    width: 100%;
  }

  .cta-btns .btn {
    text-align: center;
  }
}