/* 歴史モザイク — ホバーデモ（法人 LP 用） */

.history-demo {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.history-demo .lang-nav {
  display: flex;
  gap: 0.75rem;
  font-size: 0.88rem;
  margin-bottom: 1rem;
}

.history-demo .lang-nav a {
  color: var(--hn-orange, #ff9800);
  text-decoration: none;
  font-weight: 600;
}

.history-demo .lang-nav__current {
  color: var(--muted, #718096);
  font-weight: 600;
}

.history-demo .demo-banner {
  background: #5c3d2e;
  color: #fff;
  font-size: 0.82rem;
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.history-demo h1 {
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", sans-serif;
  font-size: clamp(1.25rem, 3.5vw, 1.65rem);
  margin: 0 0 0.35rem;
  color: var(--text, #2d3748);
}

.history-demo .lead {
  color: var(--muted, #718096);
  font-size: 0.95rem;
  margin: 0 0 0.5rem;
}

.history-demo .demo-disclaimer {
  margin: 0 0 1.25rem;
  font-size: 0.82rem;
  color: var(--muted, #8a8074);
}

.history-demo .layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  gap: 1.25rem;
  align-items: start;
}

@media (max-width: 960px) {
  .history-demo .layout {
    grid-template-columns: 1fr;
  }
  .history-demo #panel {
    position: relative !important;
    top: auto !important;
  }
}

.history-demo .mingei-wall {
  background: #f8f5ee;
  padding: 1rem;
  border-radius: 8px;
}

.history-demo .mingei-frame {
  padding: 14px;
  background:
    url("assets/history/wood_texture.png") center / 120px repeat,
    linear-gradient(145deg, #6b4a32, #4a3020);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(45, 30, 20, 0.15);
}

.history-demo .mingei-mat {
  padding: 20px;
  background: #fcf8f2;
  box-shadow: inset 0 0 0 1px rgba(160, 120, 85, 0.35);
}

.history-demo #mosaic {
  display: block;
  width: 100%;
  height: auto;
  cursor: crosshair;
  user-select: none;
}

.history-demo .mingei-placard {
  margin-top: 16px;
  padding: 10px 16px;
  background: #fcf8f2;
  border: 1px solid rgba(160, 120, 85, 0.55);
  text-align: center;
}

.history-demo .mingei-placard .title {
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", sans-serif;
  font-style: normal;
  font-weight: 700;
  font-size: 1.2rem;
  color: #ff9800;
  margin: 0;
}

.history-demo .mingei-placard .sub {
  font-size: 0.88rem;
  color: #5a4030;
  margin: 0.2rem 0 0;
}

.history-demo .mosaic-legend {
  margin-top: 14px;
  padding: 12px 14px 14px;
  background: #fcf8f2;
  border: 1px solid rgba(160, 120, 85, 0.5);
  text-align: left;
}

.history-demo .mosaic-legend__title {
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: #ff9800;
  margin: 0 0 0.35rem;
}

.history-demo .mosaic-legend__lead {
  font-size: 0.78rem;
  color: #8a7a6a;
  margin: 0 0 0.65rem;
  line-height: 1.55;
}

.history-demo .mosaic-legend__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.45rem 0.85rem;
}

.history-demo .mosaic-legend__item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.78rem;
  line-height: 1.45;
  color: #4a4038;
}

.history-demo .mosaic-legend__swatch {
  width: 1.15rem;
  height: 1.15rem;
  flex-shrink: 0;
  border: 1px solid rgba(120, 100, 80, 0.35);
  border-radius: 2px;
  margin-top: 0.08rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.history-demo .mosaic-legend__item strong {
  font-weight: 700;
  color: #5a4030;
}

.history-demo #panel {
  position: sticky;
  top: 1rem;
  background: #fcf8f2;
  border: 2px solid #a07850;
  border-radius: 8px;
  padding: 0.9rem 1rem;
  box-shadow: 0 4px 16px rgba(60, 40, 25, 0.1);
  min-height: 12rem;
  max-height: calc(100vh - 2rem);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.history-demo #panel .year {
  font-size: 1.15rem;
  font-weight: 700;
  color: #c45c00;
}

.history-demo #panel .event {
  font-size: 0.92rem;
  font-weight: 600;
  color: #5a4030;
  margin-top: 0.15rem;
}

.history-demo #panel .hint {
  font-size: 0.78rem;
  color: #8a7a6a;
  margin-top: 0.35rem;
}

.history-demo #panel .body {
  margin-top: 0.6rem;
  font-size: 0.9rem;
  line-height: 1.65;
  overflow-y: auto;
  flex: 1;
  color: #333;
}

.history-demo #panel .body.empty {
  color: #aaa;
}

.history-demo .back-link {
  display: inline-block;
  margin-top: 1.25rem;
  font-size: 0.9rem;
  color: var(--hn-orange, #ff9800);
  font-weight: 600;
  text-decoration: none;
}

.history-demo .back-link:hover {
  text-decoration: underline;
}

/* 法人ランディング */
.corporate-lp {
  max-width: 920px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3.5rem;
}

.corporate-lp .hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

/* 額装アート作品（法人 LP・歴史デモ共通） */
.art-piece-wrap {
  margin: 1.75rem 0 1.25rem;
  text-align: center;
}

.art-piece {
  max-width: 820px;
  margin: 0 auto;
}

.art-piece__wall {
  background: #f8f5ee;
  padding: 1.35rem 1.15rem 1.5rem;
  border-radius: 6px;
  box-shadow: 0 10px 36px rgba(45, 30, 20, 0.1);
}

.art-piece__frame {
  padding: 16px;
  background:
    url("assets/history/wood_texture.png") center / 110px repeat,
    linear-gradient(155deg, #6b4a32 0%, #4a3020 55%, #3d2818 100%);
  border-radius: 3px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 6px 20px rgba(35, 22, 14, 0.22);
}

.art-piece__mat {
  padding: 22px 20px;
  background: #fcf8f2;
  box-shadow: inset 0 0 0 1px rgba(160, 120, 85, 0.4);
}

.art-piece__mosaic {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
}

.art-piece__placard {
  margin: 18px 12px 0;
  padding: 14px 18px 16px;
  background: #fcf8f2;
  border: 1px solid rgba(160, 120, 85, 0.55);
  text-align: center;
}

.art-piece__title {
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans", sans-serif;
  font-size: clamp(1.15rem, 3.2vw, 1.55rem);
  font-weight: 700;
  color: #ff9800;
  margin: 0;
  line-height: 1.45;
  letter-spacing: 0.02em;
}

.art-piece__title .art-piece__years {
  white-space: nowrap;
}

.art-piece__brand {
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", sans-serif;
  font-style: normal;
  font-size: clamp(0.95rem, 2.5vw, 1.1rem);
  color: #ff9800;
  margin: 0.35rem 0 0;
  font-weight: 600;
}

.art-piece__meta {
  font-size: 0.72rem;
  color: #8a7a6a;
  margin: 0.45rem 0 0;
  letter-spacing: 0.03em;
}

.art-piece__caption {
  margin-top: 0.85rem;
  font-size: 0.9rem;
  color: var(--muted, #718096);
  line-height: 1.65;
}

.art-piece__caption a {
  color: var(--hn-orange, #ff9800);
  font-weight: 600;
}

.corporate-lp .demo-shot {
  margin: 1.5rem 0;
  text-align: center;
}

.corporate-lp .demo-shot img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 28px rgba(45, 30, 20, 0.12);
}

.corporate-lp .use-grid {
  display: grid;
  gap: 1rem;
  margin: 1.25rem 0;
}

@media (min-width: 640px) {
  .corporate-lp .use-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.corporate-lp .use-card {
  background: #fff;
  border: 1px solid #f0e6d8;
  border-radius: 12px;
  padding: 1rem;
}

.corporate-lp .use-card h3 {
  font-size: 1rem;
  margin: 0 0 0.5rem;
  color: var(--hn-orange, #ff9800);
}

.corporate-lp .footer,
.history-demo .footer {
  margin-top: 2.5rem;
  padding-bottom: 0.5rem;
}