@media screen {
 .followup-section{padding:24px;min-width:0}.followup-section>h3{margin:0 0 20px}.followup-section details{margin-top:20px}.followup-form{display:grid;gap:16px;margin-top:16px}.followup-form label{display:grid;gap:8px}.followup-form textarea{min-height:92px}.followup-form input[type=checkbox]{width:20px;height:20px}.followup-section p{white-space:pre-wrap;overflow-wrap:anywhere}.followup-management-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}.followup-section button{min-height:44px}.deadline-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;margin:20px 0}.calendar-day{min-height:90px;padding:10px;border:1px solid var(--line);border-radius:10px;min-width:0}.calendar-day strong{font-variant-numeric:tabular-nums}.calendar-day button{display:block;max-width:100%;white-space:normal;text-align:left;overflow-wrap:anywhere;margin-top:6px;font-size:12px}#assignment-manage{border:1px solid var(--line);border-radius:20px;padding:28px;width:min(560px,calc(100vw - 32px));max-height:90dvh;overflow:auto;color:var(--ink);background:var(--surface,#fff)}#assignment-manage::backdrop{background:rgba(16,30,48,.45)}#assignment-manage>button{margin-top:16px}.followup-section summary{cursor:pointer;padding:12px 0;min-height:44px}.followup-section .learning-notice button{margin:6px 8px 0 0}
 @media(max-width:640px){.followup-section{padding:18px}.deadline-grid{grid-template-columns:1fr}.calendar-spacer{display:none}.calendar-day{min-height:44px}.followup-management-row{align-items:stretch;flex-direction:column}}
}
@media print{.followup-section,#assignment-manage{display:none!important}}