.sr-only{position:absolute;left:0;top:0;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
details.learning-help{margin:8px 0 12px;border:1px solid #dce6dc;border-radius:7px;background:#f7faf5;font-style:normal;line-height:1.8;letter-spacing:0}
details.learning-help summary{position:relative;font-size:11px;font-weight:500;padding:8px 11px;line-height:1.8;min-height:34px;color:var(--brand,#294fa7)}
details.learning-help[open] summary{border-bottom:1px solid #e2e9df}
.learning-help .help-body{padding:13px 14px;color:#425a50;font-size:12px;line-height:1.85}
.learning-help .help-title{font-size:11px;font-weight:650;color:#345b48;margin:0 0 5px}
.learning-help ol{margin:0 0 9px;padding-left:19px}
.learning-help li{font-size:12px;line-height:1.85;margin:4px 0}
.learning-help .help-example{white-space:pre-line;padding:10px 12px;border-left:2px solid #adbf9f;border-radius:0 5px 5px 0;background:#eef3e8;font-size:12px;line-height:1.85;margin:10px 0}
.learning-help .help-example strong{display:block;font-size:10px;color:#718363;font-weight:600}
.learning-help .help-check{font-size:11px;color:#647c6c;margin:8px 0 0;line-height:1.85}
.learning-help .help-check strong{font-weight:600}
.scaffold-note{font-size:11px!important;color:#6d8173!important;margin:10px 0 0!important;line-height:1.8!important}
.scaffold-intro{display:flex;justify-content:space-between;gap:12px;align-items:center;margin:15px 0 20px;padding:10px 12px;background:#f2f6ed;border:1px solid #e2e9dc;border-radius:7px;color:#65785d;font-size:11px;line-height:1.8}
.scaffold-intro button{white-space:nowrap;background:#fff;font-size:11px;padding:7px 10px;min-height:35px;font-weight:500}
.lesson-body td .learning-help{margin-bottom:0}
.lesson-body td .learning-help summary{font-size:10px;padding:7px 8px}
.lesson-body td .learning-help .help-body{padding:10px;min-width:145px}
.lesson-body td .learning-help li,.lesson-body td .learning-help .help-example{font-size:11px}
.lesson-body .template>.learning-help{font-size:11px;text-align:left}
.question-note{padding:11px 14px;background:#f7f5ed;border-left:3px solid #b9ac86;border-radius:0 6px 6px 0;font-size:12px;line-height:1.9;color:#6d654e;margin:14px 0}
@media(max-width:600px){details.learning-help summary{font-size:12px;min-height:40px}.learning-help .help-body,.learning-help li,.learning-help .help-example{font-size:13px}.learning-help .help-check{font-size:12px}.scaffold-intro{align-items:flex-start;flex-direction:column}.scaffold-intro button{min-height:40px}.lesson-body td .learning-help summary{font-size:11px}.lesson-body td .learning-help .help-body{min-width:150px}.lesson-body td .learning-help li,.lesson-body td .learning-help .help-example{font-size:12px}}
@media print{.learning-help{break-inside:avoid}.scaffold-intro button{display:none}}

.exercise-theme p{margin:7px 0;line-height:1.9}.exercise-theme p:last-child{margin-bottom:0}