*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, 'Yu Gothic', sans-serif;
  background: #fff;
  color: #222;
  overflow-x: hidden;
}

/* スクロールロック：スクロールバー幅分の余白を保持してレイアウトずれを防ぐ */
body.scroll-locked {
  overflow: hidden;
  padding-right: var(--scrollbar-w, 0px);
}

/* ─── HEADER ─────────────────────────── */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  transition: background 0.45s ease, backdrop-filter 0.45s ease;
}

#header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 0;
}
.logo-wrap img {
  height: 16px;
  width: auto;
  display: block;
  filter: none;
  transition: filter 0.45s ease;
}
.logo-sep {
  line-height: 1;
  font-size: 11px;
  color: rgba(0, 0, 0, 0.25);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 28px;
}

/* Lang toggle */
.lang-toggle {
  display: flex;
  align-items: center;
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 4px 7px;
  color: rgba(0, 0, 0, 0.32);
  transition: color 0.3s;
}
.lang-btn.active { color: #111; }

.lang-sep {
  color: rgba(0, 0, 0, 0.18);
  font-size: 10px;
  user-select: none;
}

/* Online Shop link */
.shop-link {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-decoration: none;
  color: rgba(0, 0, 0, 0.55);
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
  padding-bottom: 1px;
  transition: color 0.25s, border-color 0.25s;
}
.shop-link:hover { color: #000; border-color: rgba(0, 0, 0, 0.6); }

/* ─── HERO ───────────────────────────── */
.section-hero {
  width: 100%;
  height: 100svh;
  min-height: 600px;
  overflow: hidden;
  background: #1a1a1a;
}

.section-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ─── LEAD TEXT ──────────────────────── */
.section-lead {
  padding: 200px 40px 60px;
}

.lead-headline {
  font-size: clamp(16px, 1.8vw, 24px);
  font-weight: 400;
  letter-spacing: 0.2em;
  line-height: 1.85;
  max-width: 1000px;
  margin: 0 auto 12px;
  text-align: center;
}

.lead-subtitle {
  font-size: 14px;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: #000;
  max-width: 1000px;
  margin: 0 auto 56px;
  text-align: center;
}

.lead-body {
  font-size: 13.5px;
  line-height: 2.8;
  color: #555;
  letter-spacing: 0.07em;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

/* ─── INTOYOU LOGO ───────────────────── */
.intoyou-wrap {
  text-align: center;
  padding: 0 40px 160px;
}

.intoyou-wrap img {
  height: 36px;
  width: auto;
}

@media (max-width: 768px) {
  .intoyou-wrap {
    padding: 0 24px 120px;
  }
  .intoyou-wrap img {
    height: 28px;
  }
}

/* ─── SCROLL REVEAL ──────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.85s ease, transform 0.85s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.15s; }

.text-line {
  display: block;
}

/* ─── FULL-BLEED IMAGE BLOCKS ─────────── */
.img-block {
  display: block;
  width: 100%;
  line-height: 0;
  overflow: hidden;
}

.img-block a {
  display: block;
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 9;
}

.img-block a::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background 0.5s;
  pointer-events: none;
}

.img-block a:hover::after {
  background: rgba(0, 0, 0, 0.07);
}

.img-block img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* PC: オーバーレイ＋ラベルはホバー時のみ表示 */
.img-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0);
  opacity: 0;
  transition: opacity 0.45s ease, background 0.45s ease;
  z-index: 1;
}

.img-block a:hover .img-overlay {
  opacity: 1;
  background: rgba(0, 0, 0, 0.18);
}

.img-label {
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 300;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}

/* SP: 中央配置で常時表示、さりげなく */
@media (max-width: 768px) {
  .img-overlay {
    opacity: 1;
    background: rgba(0, 0, 0, 0.12);
  }

  .img-block a:hover .img-overlay {
    background: rgba(0, 0, 0, 0.12);
  }

}

/* ─── FOOTER ──────────────────────────── */
footer {
  padding: 24px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #eee;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-brand-link {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-decoration: none;
  color: rgba(0, 0, 0, 0.55);
  transition: color 0.25s;
}
.footer-brand-link:hover { color: #000; }

.footer-ig {
  display: flex;
  align-items: center;
  color: rgba(0, 0, 0, 0.45);
  text-decoration: none;
  transition: color 0.25s;
}
.footer-ig:hover { color: #000; }
.footer-ig svg { width: 17px; height: 17px; }

.copyright {
  font-size: 10px;
  letter-spacing: 0.13em;
  color: #bbb;
}

/* ─── LANG VISIBILITY ─────────────────── */
.lang-en { display: none; }

body.lang-en .lang-ja { display: none; }
body.lang-en .lang-en { display: revert; }

/* ─── PLACEHOLDER ─────────────────────── */
/* Remove these styles when real images/video are added */
.ph {
  background: #d8d8d8;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #aaa;
}
.ph-hero  { height: 100svh; min-height: 600px; }
.ph-img   { aspect-ratio: 16 / 10; }

/* ─── RESPONSIVE ──────────────────────── */
@media (max-width: 768px) {
  #header       { padding: 18px 20px; }
  .section-lead { padding: 150px 24px 48px; }
  footer        { padding: 20px; gap: 16px; }

  .img-block a  { aspect-ratio: 3 / 4; }
}