/* ══════════════════════════════════════
   SEAM — 共通 言語切り替えスタイル
   全ページ共通で読み込む
══════════════════════════════════════ */

/* ── data-lang 表示制御 ── */
[data-lang]        { display: none; }
[data-lang].active { display: block; }
[data-lang-inline]        { display: none; }
[data-lang-inline].active { display: inline; }

/* ── ヘッダー内 言語ボタン ── */
.lang-globe-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-en, 'Montserrat', sans-serif);
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted, #7a6e62);
  border: 1px solid var(--border, #e8e0d5);
  padding: 5px 10px;
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
  flex-shrink: 0;
}
.lang-globe-btn:hover {
  border-color: var(--charcoal, #282624);
  color: var(--charcoal, #282624);
}
.lang-globe-btn i { font-size: 10px; }

/* ── オーバーレイ（背景暗転） ── */
.lang-overlay {
  position: fixed;
  inset: 0;
  background: rgba(23,23,23,.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9000;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s;
}
.lang-overlay.open {
  opacity: 1;
  pointer-events: all;
}

/* ── モーダル本体（下から出てくる） ── */
.lang-modal {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: #faf9f7;
  border-radius: 16px 16px 0 0;
  padding: 28px 24px 48px;
  transform: translateY(100%);
  transition: transform .32s cubic-bezier(.4,0,.2,1);
  max-width: 480px;
  margin: 0 auto;
}
.lang-overlay.open .lang-modal {
  transform: translateY(0);
}

/* ── モーダルタイトル ── */
.lang-modal-title {
  font-family: var(--font-en, 'Montserrat', sans-serif);
  font-size: 9px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: #b8aea0;
  margin-bottom: 20px;
  text-align: center;
}

/* ── ドラッグハンドル ── */
.lang-modal-handle {
  width: 36px;
  height: 4px;
  background: #e8e0d5;
  border-radius: 2px;
  margin: 0 auto 20px;
}

/* ── 言語グリッド ── */
.lang-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* ── 言語オプションボタン ── */
.lang-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1.5px solid #e8e0d5;
  border-radius: 8px;
  background: #ffffff;
  cursor: pointer;
  transition: all .2s;
  text-align: left;
}
.lang-option:hover {
  border-color: #b8aea0;
  background: #f6f1eb;
}
.lang-option.active {
  background: #282624;
  border-color: #282624;
}
.lang-option.active .lo-label { color: #fff; }
.lang-option.active .lo-native { color: rgba(255,255,255,.65); }

.lo-label {
  font-family: var(--font-en, 'Montserrat', sans-serif);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #282624;
  margin-bottom: 3px;
}
.lo-native {
  font-size: 13px;
  color: #7a6e62;
  line-height: 1.3;
}

/* KO（全幅） */
.lang-option.full-width {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}
.lang-option.full-width .lo-label { margin-bottom: 0; }
.lang-option.full-width .lo-native { font-size: 14px; }

/* ── モーダルフッター注記 ── */
.lang-modal-note {
  margin-top: 16px;
  font-family: var(--font-en, 'Montserrat', sans-serif);
  font-size: 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #b8aea0;
  text-align: center;
}

/* ── アニメーション ── */
@media (prefers-reduced-motion: reduce) {
  .lang-overlay, .lang-modal { transition: none; }
}