/* ============================================================
   HERO SLIDESHOW
============================================================ */
#hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  background: var(--black);
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s var(--ease);
}
.slide.active {
  opacity: 1;
  animation: zoomIn 7s linear forwards;
}

@keyframes zoomIn {
  0%   { transform: scale(1);    opacity: 0; }
  5%   { transform: scale(1.02); opacity: 1; }
  95%  { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1.1);  opacity: 0; }
}

.slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(0,0,0,0.60) 0%, rgba(0,0,0,0.20) 60%, transparent 100%),
    linear-gradient(to top, rgba(0,0,0,0.50) 0%, transparent 50%);
}

.slide-okachi  { background-image: url('../img/top/1.webp'); background-size: cover; background-position: center; }
.slide-okachi2 { background-image: url('../img/top/2.webp'); background-size: cover; background-position: center; }
.slide-jongno  { background-image: url('../img/top/5.webp'); background-size: cover; background-position: center; }
.slide-jongno2 { background-image: url('../img/top/6.webp'); background-size: cover; background-position: center; }
.slide-yawarat  { background-image: url('../img/top/3.webp'); background-size: cover; background-position: center; }
.slide-yawarat2 { background-image: url('../img/top/4.webp'); background-size: cover; background-position: center; }

.hero-copy {
  position: absolute;
  bottom: 25vh;
  left: 48px;
  z-index: 10;
}

.slide-catch {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 300;
  line-height: 1.45;
  color: var(--white);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.slide-sub {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
}

.slide-controls {
  position: absolute;
  bottom: 40px;
  left: 48px;
  z-index: 10;
  display: flex;
  align-items: center;
}

.slide-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 12px 0;
  margin-right: 28px;
  opacity: 0.4;
  transition: opacity 0.3s;
}
.slide-btn.active { opacity: 1; }

.slide-btn-bar {
  width: 28px;
  height: 1px;
  background: var(--white);
  transition: width 0.4s var(--ease);
}
.slide-btn.active .slide-btn-bar { width: 48px; background: var(--gold-light); }

.slide-btn-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
}

.scroll-hint {
  position: absolute;
  right: 48px;
  bottom: 48px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.scroll-hint span {
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  writing-mode: vertical-rl;
}
.scroll-hint-line {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.3);
  position: relative;
  overflow: hidden;
}
.scroll-hint-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gold-light);
  animation: scrollDown 1.8s ease infinite;
}
@keyframes scrollDown {
  0%   { top: -100%; }
  100% { top: 100%; }
}

/* ============================================================
   PRICE
============================================================ */
#price { background: var(--off-white); }

.price-update {
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  margin-bottom: 32px;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-300);
  border: 1px solid var(--gray-300);
  margin-bottom: 32px;
}

.price-card { background: var(--white); padding: 28px 32px; }

.price-metal {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gray-500);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-100);
}
.price-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
}
.price-row:last-child { border-bottom: none; }
.price-row-label { font-size: 10px; letter-spacing: 0.08em; color: var(--gray-500); }
.price-row-val {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 300;
  color: var(--gold);
  letter-spacing: -0.01em;
  line-height: 1;
}
.price-row-val.retail { color: var(--black); }
.price-unit { font-size: 12px; color: var(--gray-500); }
.price-note { font-size: 11px; color: var(--gray-500); line-height: 1.7; }

/* ============================================================
   SERVICE
============================================================ */
#service { background: var(--white); }

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--gray-100);
  border: 1px solid var(--gray-100);
}

.service-item {
  background: var(--white);
  padding: 36px 24px 32px;
  transition: background 0.25s;
  cursor: pointer;
}
.service-item:hover { background: var(--off-white); }
.service-item:hover .si-num { color: var(--gold); }

.si-num {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gray-300);
  margin-bottom: 20px;
  transition: color 0.25s;
}
.si-ja { font-size: 14px; font-weight: 400; color: var(--black); line-height: 1.5; margin-bottom: 8px; }
.si-en { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray-500); }
.si-arrow {
  display: block;
  margin-top: 24px;
  font-size: 16px;
  color: var(--gray-300);
  transition: color 0.25s, transform 0.25s;
}
.service-item:hover .si-arrow { color: var(--gold); transform: translateX(4px); }

/* ============================================================
   ABOUT
============================================================ */
#about { background: var(--off-white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-body {
  font-size: 14px;
  line-height: 2;
  color: var(--gray-700);
  margin-bottom: 32px;
}
.about-body strong {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  color: var(--black);
  line-height: 1.55;
  margin-bottom: 24px;
  letter-spacing: 0.03em;
}

.about-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.about-table tr { border-bottom: 1px solid var(--gray-100); }
.about-table td { padding: 12px 0; vertical-align: top; }
.about-table td:first-child {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
  width: 100px;
  padding-top: 14px;
}
.about-table td:last-child { color: var(--gray-700); line-height: 1.7; }

/* ============================================================
   THAILAND
============================================================ */
#thailand { background: var(--white); }

.thailand-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.thailand-img {
  background-color: var(--gray-100);
  background-size: cover;
  background-position: center;
  aspect-ratio: 3/2;
}
.thailand-img img { width: 100%; height: 100%; object-fit: cover; display: block; }

.thailand-body {
  font-size: 14px;
  line-height: 2;
  color: var(--gray-700);
  margin-bottom: 32px;
}
.thailand-body strong {
  display: block;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  color: var(--black);
  line-height: 1.6;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

/* ============================================================
   CONTACT CTA
============================================================ */
#contact {
  background: var(--black);
  padding: 96px 48px;
  text-align: center;
  border-top: none;
}

.contact-en {
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.contact-title {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 300;
  color: var(--white);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.contact-sub {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.9;
  letter-spacing: 0.04em;
  margin-bottom: 40px;
}

/* ============================================================
   KING JEWELRY BANNER
============================================================ */
.kj-banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 380px;
  background: var(--black);
  text-decoration: none;
  overflow: hidden;
  transition: opacity 0.3s;
}
.kj-banner:hover { opacity: 0.92; }

.kj-left {
  padding: 64px 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.kj-label { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; }
.kj-brand { font-family: var(--font-display); font-size: 40px; font-weight: 400; letter-spacing: 0.1em; color: var(--white); line-height: 1; margin-bottom: 6px; }
.kj-sub { font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 24px; }
.kj-desc { font-size: 13px; line-height: 1.9; color: rgba(255,255,255,0.55); margin-bottom: 24px; }
.kj-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.kj-tag { font-size: 10px; letter-spacing: 0.08em; border: 1px solid rgba(255,255,255,0.2); color: rgba(255,255,255,0.5); padding: 4px 12px; }
.kj-cta { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--white); border-bottom: 1px solid var(--gold); padding-bottom: 3px; align-self: flex-start; }

.kj-right {
  position: relative;
  overflow: hidden;
  background-image: url('../img/top/king-Jewelry.jpg');
  background-size: cover;
  background-position: center;
}
.kj-right::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 80px;
  background: linear-gradient(to right, var(--black), transparent);
  z-index: 1;
}

/* ============================================================
   RESPONSIVE — TOPページ
============================================================ */
@media (max-width: 900px) {
  .hero-copy { left: 24px; right: 24px; }
  .slide-controls { left: 24px; }
  .scroll-hint { right: 24px; }

  .about-grid,
  .thailand-grid { grid-template-columns: 1fr; gap: 40px; }
  .service-grid  { grid-template-columns: repeat(2, 1fr); }
  .price-grid    { grid-template-columns: 1fr; }

  .kj-banner { grid-template-columns: 1fr; }
  .kj-right  { height: 240px; }
  .kj-left   { padding: 40px 24px; }
}

@media (max-width: 600px) {
  .hero-copy { bottom: 42vh; }
  .slide-catch { font-size: clamp(22px, 6.5vw, 30px); }
  .slide-controls { flex-direction: column; align-items: flex-start; gap: 4px; bottom: 32px; }
  .slide-btn { margin-right: 0; padding: 8px 0; }
}