/* floor-showcase.css — TOPページ「店内の様子」専用セクション。
   1カラムで写真を大きく見せる構成を継承しつつ、独自の visual signature を持たせる。
   他の mod_03_section とは無関係の独立コンポーネント(.floor-showcase)。 */
.floor-showcase {
  position: relative;
  background: var(--color-bg);
  padding: clamp(64px, 9vw, 112px) 0;
  overflow: hidden;
}
.floor-showcase::before {
  content: "";
  position: absolute;
  top: -10%;
  right: -8%;
  width: 46vw;
  height: 46vw;
  max-width: 620px;
  max-height: 620px;
  background: radial-gradient(circle, color-mix(in srgb, var(--color-primary) 16%, transparent) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.floor-showcase__head {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 0 clamp(40px, 5vw, 64px);
}
.floor-showcase__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.9rem;
}
.floor-showcase__eyebrow::before {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  background: var(--color-primary);
}
.floor-showcase__title {
  font-size: var(--fs-h2);
  color: var(--color-heading-ink);
  line-height: 1.35;
  margin-bottom: 0.9rem;
}
.floor-showcase__lead {
  font-size: var(--fs-lead);
  color: var(--color-text-muted);
  line-height: 1.85;
}

.floor-showcase__list {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: clamp(56px, 7vw, 96px);
}
.floor-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
}
.floor-item__frame {
  position: relative;
  border-radius: calc(var(--radius-card) * 1.3);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(44, 24, 16, 0.22);
  aspect-ratio: 16/9;
}
.floor-item__frame img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
  display: block;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.floor-item:hover .floor-item__frame img { transform: scale(1.045); }
.floor-item__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 45%, rgba(20,10,6,0.72) 100%);
  pointer-events: none;
}
.floor-item__number {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 2;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  font-family: var(--font-heading);
  color: #fff;
  background: color-mix(in srgb, var(--color-primary) 88%, transparent);
  padding: 0.35rem 0.9rem 0.4rem;
  border-radius: var(--radius-btn);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}
.floor-item__number span { font-size: 1.4rem; font-weight: 700; line-height: 1; }

.floor-item__caption {
  position: absolute;
  z-index: 2;
  left: clamp(20px, 3vw, 40px);
  right: clamp(20px, 3vw, 40px);
  bottom: clamp(18px, 3vw, 32px);
  color: #fff;
}
.floor-item__name {
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 12px rgba(0,0,0,0.35);
}
.floor-item__desc {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.92);
  max-width: 640px;
}

@media (min-width: 860px) {
  .floor-item__frame { aspect-ratio: 21/9; }
  .floor-item:nth-child(even) .floor-item__caption { text-align: right; left: auto; }
}
@media (max-width: 640px) {
  .floor-item__frame { aspect-ratio: 4/3; }
  .floor-item__name { font-size: 1.2rem; }
  .floor-item__desc { font-size: 0.92rem; }
}

/* ── 貸し切りプランCTAボタン (.floor-showcase__cta-btn) ────────────────
   このセクション専用の大型・高視認CTA。他ページの .btn には一切影響しない
   スコープ限定クラス。アイコン＋メイン/サブ文言＋矢印の3ブロック構成で、
   単なる文字ボタンより情報量と押しやすさ(タッチターゲット)を高める。 */
.floor-showcase__cta-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: clamp(14px, 2vw, 22px);
  padding: clamp(18px, 2.4vw, 26px) clamp(28px, 4vw, 48px);
  border-radius: calc(var(--radius-btn) * 0.4);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border: none;
  box-shadow:
    0 18px 44px color-mix(in srgb, var(--color-primary) 45%, transparent),
    0 4px 14px rgba(0,0,0,0.18),
    inset 0 1px 0 rgba(255,255,255,0.16);
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1), box-shadow 0.4s ease;
}
.floor-showcase__cta-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.28) 48%, transparent 66%);
  transform: translateX(-140%);
  transition: transform 0.9s cubic-bezier(0.16,1,0.3,1);
}
.floor-showcase__cta-btn:hover {
  transform: translateY(-4px) scale(1.015);
  box-shadow:
    0 26px 60px color-mix(in srgb, var(--color-primary) 55%, transparent),
    0 8px 20px rgba(0,0,0,0.22),
    inset 0 1px 0 rgba(255,255,255,0.22);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-color: transparent;
  opacity: 1;
}
.floor-showcase__cta-btn:hover::before { transform: translateX(140%); }
.floor-showcase__cta-btn:active { transform: translateY(-1px) scale(0.99); }

.floor-showcase__cta-btn-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: clamp(46px, 5vw, 58px);
  height: clamp(46px, 5vw, 58px);
  border-radius: 50%;
  background: rgba(255,255,255,0.16);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.28);
}

.floor-showcase__cta-btn-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  text-align: left;
}
.floor-showcase__cta-btn-main {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 700;
  color: var(--color-on-primary, #fff);
  letter-spacing: 0.02em;
  line-height: 1.3;
}
.floor-showcase__cta-btn-sub {
  font-size: clamp(0.78rem, 1.3vw, 0.9rem);
  color: rgba(255,255,255,0.82);
  letter-spacing: 0.01em;
}

.floor-showcase__cta-btn-arrow {
  flex: none;
  display: grid;
  place-items: center;
  width: clamp(36px, 4vw, 44px);
  height: clamp(36px, 4vw, 44px);
  border-radius: 50%;
  color: #fff;
  background: rgba(255,255,255,0.12);
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1), background 0.4s ease;
}
.floor-showcase__cta-btn:hover .floor-showcase__cta-btn-arrow {
  transform: translateX(6px);
  background: rgba(255,255,255,0.24);
}

@media (max-width: 640px) {
  .floor-showcase__cta-btn {
    width: 100%;
    justify-content: center;
  }
  .floor-showcase__cta-btn-text { text-align: left; }
}