:root{color:#172033;font-synthesis:none;background:#f5f7fb;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic UI,Noto Sans JP,sans-serif}*{box-sizing:border-box}body{background:#f5f7fb;min-width:320px;margin:0}button,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible{outline-offset:2px;outline:3px solid #5a9eff}.app-shell{width:min(100%,520px);min-height:100dvh;margin:0 auto;padding:28px 16px 32px;overflow:hidden}.page-header,.lesson-header{margin-bottom:20px}.eyebrow{color:#52617a;margin:0 0 6px;font-size:.88rem;font-weight:600}h1{letter-spacing:.02em;margin:0;font-size:clamp(1.7rem,7vw,2.15rem);line-height:1.2}.page-intro,.screen-purpose{color:#52617a;margin:10px 0 0;font-size:.95rem;line-height:1.65}.lesson-list{gap:12px;display:grid}.student-entry{color:#105397;background:#fff;border:1px solid #1768c1;border-radius:10px;width:100%;min-height:48px;margin-top:18px;font-weight:750}.lesson-card{width:100%;min-height:76px;color:inherit;text-align:left;background:#fff;border:1px solid #dbe3f0;border-radius:12px;align-items:center;padding:14px;display:flex;box-shadow:0 2px 8px #283f620d}.lesson-card:not(:disabled):active{background:#f7fbff;transform:scale(.99)}.lesson-card:disabled{cursor:default;opacity:.78}.lesson-card time{color:#175cae;font-variant-numeric:tabular-nums;width:62px;font-weight:750}.lesson-main{flex:1;gap:4px;min-width:0;display:grid}.lesson-main strong{font-size:1.06rem}.lesson-main span{color:#52617a;font-size:.9rem}.note-badge{color:#96560a;white-space:nowrap;background:#fff1dd;border-radius:6px;padding:4px 7px;font-size:.78rem;font-weight:700}.chevron{color:#71809a;font-size:2rem;line-height:1}.back-button{color:#175cae;background:0 0;border:0;min-height:44px;margin:-8px 0 8px -8px;padding:8px;font-weight:700}.info-grid{grid-template-columns:1fr 1fr;gap:12px;margin-top:18px;display:grid}.info-block{background:#fff;border:1px solid #dbe3f0;border-radius:12px;min-height:122px;padding:15px}.info-block.notice{background:#fffaf2;border-color:#edc58f}.info-block h2{color:#175cae;margin:0 0 10px;font-size:.9rem}.info-block.notice h2{color:#9a5b0f}.info-block p{white-space:pre-line;margin:0;font-size:.95rem;line-height:1.55}.sub-actions{gap:10px;margin-top:18px;display:flex}.sub-actions button{color:#768399;background:0 0;border:1px solid #dbe3f0;border-radius:8px;min-height:40px;padding:0 12px}.page-with-action{padding-bottom:100px}.bottom-action{position:fixed;bottom:16px;left:max(16px,50vw - 244px);right:max(16px,50vw - 244px)}.primary-button{color:#fff;background:#1768c1;border:0;border-radius:11px;width:100%;min-height:52px;font-weight:750;box-shadow:0 5px 15px #1558aa40}.primary-button:active{background:#12559e}.primary-button:disabled{cursor:wait;opacity:.7}.record-form{gap:20px;margin-top:22px;display:grid}.bulk-input{background:#f5faff;border:1px solid #b9d5f4;border-radius:10px;gap:10px;padding:14px;display:grid}.bulk-input label{gap:7px;display:grid}.bulk-input label span{color:#52617a;font-size:.84rem;font-weight:500}.bulk-input textarea{resize:vertical;color:#172033;background:#fff;border:1px solid #becadb;border-radius:9px;width:100%;min-height:92px;padding:10px 12px;line-height:1.55}.speech-button,.apply-button{color:#105397;background:#eaf3ff;border:1px solid #1768c1;border-radius:9px;min-height:48px;font-weight:750}.speech-button:disabled{cursor:wait;opacity:.75}.speech-note{color:#52617a;margin:0;font-size:.9rem;line-height:1.5}.speech-result{overflow-wrap:anywhere;background:#f5faff;border:1px solid #b9d5f4;border-radius:10px;gap:12px;padding:14px;display:grid}.speech-result p{margin:0;line-height:1.55}.speech-result dl{gap:8px;margin:0;display:grid}.speech-result dl div{grid-template-columns:88px minmax(0,1fr);gap:8px;display:grid}.speech-result dt{color:#52617a;font-weight:650}.speech-result dd{min-width:0;margin:0}.record-form label,fieldset{color:#29364c;border:0;gap:9px;padding:0;font-weight:700;display:grid}.record-form input{color:#172033;background:#fff;border:1px solid #becadb;border-radius:9px;width:100%;min-height:48px;padding:10px 12px;font-weight:500}.record-form legend{margin-bottom:9px}.understanding-options{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.understanding-options button{color:#33415a;background:#fff;border:1px solid #becadb;border-radius:9px;min-height:48px;font-size:1.25rem;font-weight:750}.understanding-options button.selected{color:#105397;background:#eaf3ff;border-color:#1768c1}.field-error{color:#b42318;margin:8px 0 0;font-size:.9rem;font-weight:650}.toast{color:#fff;background:#26344b;border-radius:8px;width:max-content;max-width:calc(100vw - 32px);margin:0;padding:12px 16px;font-size:.9rem;position:fixed;bottom:20px;left:50%;transform:translate(-50%);box-shadow:0 5px 15px #0003}.status-message{color:#52617a;margin:24px 0;line-height:1.6}.status-message.error{color:#b42318;font-weight:650}.status-message.success{color:#177245;font-weight:650}.student-form{gap:18px;display:grid}.student-form label{color:#29364c;gap:8px;font-weight:700;display:grid}.student-form input,.student-form select,.student-form textarea{color:#172033;background:#fff;border:1px solid #becadb;border-radius:9px;width:100%;min-height:48px;padding:10px 12px}.student-form textarea{resize:vertical;min-height:86px;line-height:1.5}.student-list{margin-top:30px}.student-list h2{margin:0 0 12px;font-size:1.05rem}.student-list ul{gap:9px;margin:0;padding:0;list-style:none;display:grid}.student-list li{background:#fff;border:1px solid #dbe3f0;border-radius:10px;justify-content:space-between;gap:12px;padding:13px;display:flex}.student-list li span{color:#52617a;white-space:nowrap}.exception-list .exception-item{grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:10px 12px;display:grid}.exception-summary{gap:3px;min-width:0;display:grid}.exception-summary strong{font-size:1rem}.exception-summary span,.exception-dates span{white-space:normal}.exception-type{background:#eaf3ff;border-radius:999px;padding:4px 8px;font-size:.82rem;font-weight:700;color:#175cae!important}.exception-dates{color:#52617a;grid-column:1/-1;gap:4px;font-size:.9rem;line-height:1.45;display:grid}.exception-restore{color:#175cae;background:#fff;border:1px solid #175cae;border-radius:8px;justify-self:start;min-height:44px;padding:8px 12px;font-weight:700}.exception-restore:active{background:#eaf3ff}@media (width<=350px){.app-shell{padding-left:12px;padding-right:12px}.info-grid{gap:8px}.info-block{min-height:120px;padding:12px}.lesson-card{padding:12px 10px}.lesson-card time{width:55px;font-size:.92rem}.note-badge{font-size:.7rem}}