.sc-line-settings { margin: 28px 0; padding: 22px 0; border-top: 1px solid #dce1e5; border-bottom: 1px solid #dce1e5; font-size: 16px; line-height: 1.65; }
.sc-line-settings h3 { margin: 0 0 14px; font-size: 20px; }
.sc-line-settings p { margin: 10px 0 16px; }
.sc-line-settings fieldset { margin: 20px 0; padding: 16px; border: 0; border-radius: 6px; background: #f0f3f5; color: #202426; min-width: 0; }
.sc-line-settings legend { padding: 0; font-size: 16px; font-weight: 500; }
.sc-line-settings fieldset label { display: flex; align-items: center; gap: 10px; padding: 10px 0; }
.sc-line-settings input[type=checkbox] { width: 20px; height: 20px; margin: 0; accent-color: #06c755; font-size: 16px; }
.sc-line-settings .sc-line-button { display: block; width: 100%; padding: 12px 16px; margin: 10px 0; font: inherit; border: 0; border-radius: 6px; cursor: pointer; white-space: normal; }
.sc-line-settings .sc-line-connect { background: #06c755; color: white; }
.sc-line-settings .sc-line-save { background: #f39a38; color: white; }
.sc-line-settings .sc-line-unlink { width: auto; padding: 8px 0; background: transparent; color: #4b5358; text-decoration: underline; }
.sc-line-settings .sc-line-button:disabled { opacity: .5; cursor: wait; }
.sc-line-settings .sc-line-friend { display: block; margin: 16px 0; color: #087b37; }
.sc-line-settings .sc-line-status { color: #434b50; font-size: 14px; }
.sc-member-login { box-sizing: border-box; max-width: 500px; margin: 28px auto; padding: 28px 22px; background: #f0f3f5; color: #202426; font: 16px/1.75 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; border-radius: 6px; }
.sc-member-login h2 { margin: 0 0 16px; padding: 0; border: 0; background: none; color: #202426; font-size: 22px; line-height: 1.5; }
.sc-member-login p { margin: 14px 0; }
.sc-member-login .sc-member-login-button { display: block; padding: 13px 16px; margin: 22px 0; text-align: center; background: #f39a38; color: #fff; border-radius: 6px; text-decoration: none; font-weight: 600; }
.sc-member-login .sc-member-login-help { margin-bottom: 0; color: #4b5358; }