/* ===== edu-plan ===== */
/* view tabs */
.sub-block .plan-view-tabs { display: flex; gap: 5px; margin-top: 28px; }
.plan-view-tabs .plan-tab { padding: 9px 24px; border: 1px solid var(--dark); border-radius: 999px; background: #fff; font-size: 1.5rem; color: var(--dark); cursor: pointer; transition: background 0.2s, color 0.2s, border-color 0.2s; font-weight: 700; }
.plan-view-tabs .plan-tab.active { background: var(--dark); color: #fff; border-color: var(--dark); }
.plan-view { margin-top: 20px; }
.plan-view.plan-view-hidden { display: none; }

/* calendar */
.plan-view .cal-nav { display: flex; align-items: center; justify-content: center; gap: 20px; margin-bottom: 20px; }
.cal-nav .cal-nav-btn { width: 36px; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 50%; background: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; color: #555; transition: background 0.2s; }
.cal-nav .cal-nav-btn:hover { background: #f0f0f0; }
.cal-nav .cal-nav-title { font-size: 2.5rem; font-weight: 700; color: var(--dark); min-width: 160px; text-align: center; }
.plan-view .cal-wrap {  overflow: hidden; }
.cal-wrap .cal-head { display: grid; grid-template-columns: repeat(7, 1fr); border-bottom: 1px solid var(--line); border-top: 1px solid var(--theme); }
.cal-head span { padding: 20px 0; text-align: center; font-size: 1.4rem; font-weight: 700; color: #444; }
.cal-head span:first-child { color: #e03535; }
.cal-head span:last-child { color: var(--blue); }
.cal-wrap .cal-body { display: flex; flex-direction: column; }
.cal-body .cal-week { position: relative; border-bottom: 1px solid var(--line); }
.cal-week .cal-num-row { display: grid; grid-template-columns: repeat(7, 1fr); }
.cal-num-row .cal-cell { padding: 12px 10px 20px; border-right: 1px solid var(--line); }
.cal-num-row .cal-cell:last-child { border-right: none; }
.cal-num-row .cal-cell.cal-other { background: #fafafa; }
.cal-cell .cal-day { font-size: 1.4rem; font-weight: 600; color: #333; }
.cal-cell.cal-sunday .cal-day { color: #e03535; }
.cal-cell.cal-saturday .cal-day { color: var(--blue); }
.cal-cell.cal-other .cal-day { color: #ccc; }
.cal-week .cal-event-row { position: absolute; top: 40px; left: 0; right: 0; display: grid; grid-template-columns: repeat(7, 1fr); grid-auto-rows: 26px; gap: 2px 0; }
.cal-event-row .cal-event-bar { background: #E7ECFF; color: #586FE5; font-weight: 700; font-size: 1.4rem; line-height: 26px; padding: 0 8px; border-radius: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin: 0 2px; text-decoration: none; cursor: pointer; }
.cal-event-row .cal-event-bar:hover { background: #d3dbff; }
.cal-event-bar.from-prev { border-radius: 0 4px 4px 0; margin-left: 0; }
.cal-event-bar.to-next { border-radius: 4px 0 0 4px; margin-right: 0; }
.cal-event-bar.from-prev.to-next { border-radius: 0; margin-left: 0; margin-right: 0; }

@media (max-width: 768px) {
	.plan-month .plan-month-head { width: 80px; padding: 20px 12px; }
	.plan-month-head .plan-month-num { font-size: 2.4rem; }
	.plan-table .plan-date { width: 120px; padding: 14px 12px; font-size: 1.4rem; }
	.plan-table .plan-course { padding: 14px 12px 14px 0; font-size: 1.5rem; }
	.cal-body .cal-cell { min-height: 64px; padding: 5px; }
	.cal-cell .cal-day { font-size: 1.3rem; }
	.cal-cell .cal-event { font-size: 1.05rem; padding: 2px 4px; }
}
.sub-block .plan-list { display: flex; flex-direction: column; gap: 0; margin-top: 32px; border-top: 1px solid var(--theme); }
.plan-list .plan-month { display: flex; border-bottom: 1px solid var(--line); }
.plan-month .plan-month-head { flex-shrink: 0; width: 120px; padding: 24px 20px; display: flex; flex-direction: column; align-items: center; justify-content: center; background: #f5f7fb; border-right: 1px solid var(--line); }
.plan-month-head .plan-month-num { font-size: 3.2rem; font-weight: 800; color: var(--theme); line-height: 1; }
.plan-month-head .plan-month-label { font-size: 1.2rem; color: #888; margin-top: 4px; letter-spacing: 0.05em; }
.plan-month .plan-table { flex: 1; border-collapse: collapse; }
.plan-table tr { border-bottom: 1px solid var(--line); }
.plan-table tr:last-child { border-bottom: none; }
.plan-table .plan-date { width: 160px; padding: 18px 20px; font-size: 1.7rem; color: #555; white-space: nowrap; vertical-align: middle; }
.plan-table .plan-course { padding: 18px 20px 18px 0; font-size: 1.6rem; font-weight: 600; vertical-align: middle; }
.plan-table .plan-course-link { color: inherit; text-decoration: none; }
.plan-table .plan-course-link:hover { text-decoration: underline; }

@media (max-width: 768px) {
	.plan-month .plan-month-head { width: 80px; padding: 20px 12px; }
	.plan-month-head .plan-month-num { font-size: 2.4rem; }
	.plan-table .plan-date { width: 120px; padding: 14px 12px; font-size: 1.4rem; }
	.plan-table .plan-course { padding: 14px 12px 14px 0; font-size: 1.5rem; }

	.cal-nav .cal-nav-title { font-size: 2rem; }
}

@media (max-width: 480px) {
	.plan-list .plan-month { flex-direction: column; }
	.plan-month .plan-month-head { width: 100%; flex-direction: row; gap: 8px; padding: 14px 16px; border-right: none; border-bottom: 1px solid var(--line); justify-content: flex-start; }
	.plan-month-head .plan-month-num { font-size: 2rem; }
	.plan-month-head .plan-month-label { margin-top: 0; font-size: 1.3rem; }
	.plan-table .plan-date { padding: 12px 10px; font-size: 1.35rem; width: 100px; }
	.plan-table .plan-course { padding: 12px 10px 12px 0; font-size: 1.4rem; }

	.plan-view-tabs .plan-tab { font-size: 1.3rem; padding: 7px 16px; }
	.sub-block .plan-list { margin-top: 20px; }
	.cal-nav .cal-nav-title { font-size: 1.8rem; }
	.cal-event-row .cal-event-bar { font-size: 1.1rem; line-height: 20px; height: 20px; }
}