/* Legal overlay – centered modal with close button */
#legal-overlay-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 100000;
  align-items: center;
  justify-content: center;
  padding: 12px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: max(12px, env(safe-area-inset-bottom));
}
#legal-overlay-backdrop.open {
  display: flex;
}
#legal-overlay-box {
  position: relative;
  background: #111114;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  max-width: 560px;
  width: 100%;
  max-height: min(90vh, calc(100vh - 24px));
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  margin: auto;
}
#legal-overlay-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 40px;
  height: 40px;
  min-width: 40px;
  min-height: 40px;
  border: none;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background 0.2s;
  flex-shrink: 0;
}
#legal-overlay-close:hover {
  background: rgba(255, 255, 255, 0.2);
}
#legal-overlay-content {
  padding: 20px 20px 28px 20px;
  padding-top: 52px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  -webkit-overflow-scrolling: touch;
}
#legal-overlay-content h1 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}
#legal-overlay-content .legal-meta {
  font-size: 11px;
  color: #888;
  margin-bottom: 16px;
}
#legal-overlay-content .legal-body {
  white-space: pre-wrap;
  line-height: 1.6;
  color: #ccc;
  font-size: 12px;
}
.legal-doc-footer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}
.legal-close-btn {
  width: 100%;
  padding: 14px 24px;
  background: #10b981;
  color: #000;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}
.legal-close-btn:hover {
  background: #0ea572;
}
.legal-agree-btn {
  padding: 14px 24px;
  background: #10b981;
  color: #000;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}
.legal-agree-btn:hover {
  background: #0ea572;
}

/* Contact form in overlay */
#legal-overlay-content .legal-contact-form label {
  display: block;
  font-size: 12px;
  color: #999;
  margin-bottom: 6px;
  margin-top: 12px;
}
#legal-overlay-content .legal-contact-form label:first-of-type { margin-top: 0; }
#legal-overlay-content .legal-contact-form .input-dark {
  width: 100%;
  padding: 12px 16px;
  background: #000;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  margin-bottom: 4px;
  box-sizing: border-box;
}
#legal-overlay-content .legal-contact-form .input-dark:focus {
  outline: none;
  border-color: #10b981;
}
#legal-overlay-content .legal-contact-form textarea.input-dark {
  resize: vertical;
  min-height: 80px;
}
#legal-overlay-content .legal-auth-btn {
  margin-top: 16px;
  padding: 14px 24px;
  background: #10b981;
  color: #000;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  font-size: 14px;
  width: 100%;
}
#legal-overlay-content .legal-auth-btn:hover {
  background: #0ea572;
}

/* Login / Register form in overlay */
#legal-overlay-content .legal-auth-form label {
  display: block;
  font-size: 12px;
  color: #999;
  margin-bottom: 6px;
  margin-top: 12px;
}
#legal-overlay-content .legal-auth-form label:first-of-type { margin-top: 0; }
#legal-overlay-content .legal-auth-form .input-dark {
  width: 100%;
  padding: 12px 16px;
  background: #000;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  margin-bottom: 4px;
  box-sizing: border-box;
}
#legal-overlay-content .legal-auth-form .input-dark:focus {
  outline: none;
  border-color: #10b981;
}
#legal-overlay-content .legal-auth-link {
  text-align: center;
  margin-top: 12px;
  color: #888;
  font-size: 14px;
}
#legal-overlay-content .legal-auth-link a {
  color: #10b981;
  text-decoration: none;
}
#legal-overlay-content .legal-auth-link a:hover {
  text-decoration: underline;
}

/* スマホ: 規約オーバーレイを縮めて中央・縦スクロール・閉じるボタン常にタップ可 */
@media (max-width: 768px) {
  #legal-overlay-backdrop {
    padding: 16px;
    padding-top: max(16px, env(safe-area-inset-top));
    padding-bottom: max(16px, env(safe-area-inset-bottom));
  }
  #legal-overlay-box {
    max-width: 100% !important;
    max-height: min(78vh, calc(100vh - 32px)) !important;
    margin: auto !important;
    border-radius: 14px;
  }
  #legal-overlay-close {
    top: 10px;
    right: 10px;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    font-size: 24px;
    background: rgba(255, 255, 255, 0.15);
  }
  #legal-overlay-content {
    padding: 16px 16px 24px;
    padding-top: 56px;
    padding-right: 52px;
    font-size: 13px;
    line-height: 1.65;
  }
  #legal-overlay-content h1 {
    font-size: 1.1rem;
    margin-bottom: 6px;
  }
  #legal-overlay-content .legal-meta {
    font-size: 11px;
    margin-bottom: 12px;
  }
  #legal-overlay-content .legal-body {
    font-size: 12px;
    line-height: 1.6;
  }
}

@media (max-width: 480px) {
  #legal-overlay-backdrop {
    padding: 8px;
  }
  #legal-overlay-box {
    max-height: min(75vh, calc(100vh - 16px)) !important;
  }
  #legal-overlay-content {
    padding: 12px 14px 20px;
    padding-top: 52px;
    padding-right: 52px;
  }
  #legal-overlay-content .legal-body {
    font-size: 11px;
    line-height: 1.55;
  }
}