:root{--bg:#f6f7fb;--surface:#fff;--surface-2:#f0f2f7;--text:#1f2430;--muted:#6b7280;--border:#dde1ea;--accent:#3b6ef5;--accent-soft:#e8eefe;--danger:#d64545;--sat:#2563eb;--sun:#dc2626;--warn:#c2410c;--warn-soft:#fff1e6;--radius:10px;--tab-height:60px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#14161c;--surface:#1e2129;--surface-2:#262a34;--text:#e6e8ee;--muted:#9aa1b0;--border:#333845;--accent:#6d93ff;--accent-soft:#263150;--danger:#ff6b6b;--sat:#7aa2ff;--sun:#ff7070;--warn:#ffa25c;--warn-soft:#3a2a1c;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#14161c;--surface:#1e2129;--surface-2:#262a34;--text:#e6e8ee;--muted:#9aa1b0;--border:#333845;--accent:#6d93ff;--accent-soft:#263150;--danger:#ff6b6b;--sat:#7aa2ff;--sun:#ff7070;--warn:#ffa25c;--warn-soft:#3a2a1c;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent;margin:0;font-family:LINE Seed JP,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,Hiragino Sans,Yu Gothic UI,Meiryo,sans-serif}button,input,select,textarea{font:inherit;color:inherit}button{background:var(--surface);border:1px solid var(--border);cursor:pointer;border-radius:8px;padding:6px 12px}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.danger{color:var(--danger)}button.small{padding:2px 8px;font-size:.8rem}button.link{color:var(--accent);background:0 0;border:none;padding:4px 0}button.icon{width:38px;height:38px;padding:0;font-size:1.1rem}input,select,textarea{background:var(--surface);border:1px solid var(--border);border-radius:6px;min-width:0;padding:7px 8px}h2,h3{margin:0}.app{min-height:100vh;padding-bottom:calc(var(--tab-height) + env(safe-area-inset-bottom))}.app-header{z-index:5;padding:10px 12px;padding-top:calc(10px + env(safe-area-inset-top));background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:8px;display:flex;position:sticky;top:0}.app-header select{flex:1;font-weight:600}main{max-width:960px;margin:0 auto;padding:12px}.tab-bar{z-index:5;height:calc(var(--tab-height) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--border);display:flex;position:fixed;bottom:0;left:0;right:0}.tab-bar button{color:var(--muted);background:0 0;border:none;border-radius:0;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;font-size:.75rem;display:flex}.tab-bar button.active{color:var(--accent);font-weight:600}.tab-icon{font-size:1.25rem;line-height:1}.page-title{font-size:1.2rem}.section-head{justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;display:flex}.empty{color:var(--muted);text-align:center;padding:24px 0}.hint{color:var(--muted);margin:8px 0;font-size:.8rem}.align-right{text-align:right}.warn-text,.changed{color:var(--warn);font-weight:600}.drawer-root{z-index:20;position:fixed;top:0;bottom:0;left:0;right:0}.drawer-backdrop{background:#00000073;animation:.15s ease-out fade-in;position:absolute;top:0;bottom:0;left:0;right:0}.drawer{width:min(280px,82vw);padding:calc(12px + env(safe-area-inset-top)) 16px 16px;background:var(--surface);border-right:1px solid var(--border);animation:.18s ease-out slide-in;position:absolute;top:0;bottom:0;left:0;overflow-y:auto;box-shadow:4px 0 24px #0003}.drawer-head{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.drawer-title{font-size:1.05rem;font-weight:700}.drawer-section h3{color:var(--muted);margin-bottom:8px;font-size:.8rem}.theme-options{flex-direction:column;gap:6px;display:flex}.theme-options label{cursor:pointer;border:1px solid var(--border);border-radius:8px;align-items:center;gap:10px;padding:10px 12px;display:flex}.theme-options label.checked{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}.theme-options input{accent-color:var(--accent)}.drawer-section+.drawer-section{margin-top:20px}.stepper{align-items:center;gap:10px;display:flex}.stepper button{width:40px;height:40px;padding:0;font-size:1.2rem}.stepper-value{text-align:center;min-width:5em;font-size:1.05rem;font-weight:600}@keyframes slide-in{0%{transform:translate(-100%)}}@keyframes fade-in{0%{opacity:0}}@media 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.date-text{background:var(--sun)}.table-inner{padding:4px 3px 6px;position:relative}.today-outline{pointer-events:none;box-sizing:border-box;border:2px solid var(--accent);border-radius:10px;position:absolute}.now-line{border-top:2px solid var(--danger);height:0;position:absolute;left:-2px;right:-2px}.now-line:before{content:"";background:var(--danger);border-radius:50%;width:10px;height:10px;position:absolute;top:-6px;left:-5px}.grid th.corner,.grid th.period{width:44px}.grid th.period{font-size:.65rem;font-weight:400;line-height:1.25}.grid th.period .num{color:var(--text);font-size:1rem;font-weight:600;display:block}.grid th.period .time{display:block}.grid th.note-label{color:var(--muted);vertical-align:middle;font-size:.7rem}.note-cell{border:1px dashed var(--border);cursor:pointer;vertical-align:middle;height:34px;color:var(--text);border-radius:6px;padding:3px 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.name{font-weight:700;line-height:1.25}.cell .room{color:var(--muted);margin-top:2px;font-size:.7rem}.cell .room.changed{color:var(--warn)}.cell .badges{flex-wrap:wrap;gap:2px;margin-top:3px;display:flex}.badge{vertical-align:middle;background:var(--surface-2);color:var(--muted);border-radius:4px;margin-left:4px;padding:1px 5px;font-size:.65rem;font-weight:600;display:inline-block}.cell .badge{margin-left:0}.badge.cancel{background:var(--muted);color:var(--surface)}.badge.makeup{background:var(--accent-soft);color:var(--accent)}.badge.absent{background:var(--danger);color:#fff}.badge.warn{background:var(--warn-soft);color:var(--warn)}.badge.assignment{background:var(--accent-soft);color:var(--accent);margin:0 6px 0 0}.badge.exam{background:var(--warn-soft);color:var(--warn);margin:0 6px 0 0}.today .page-title{margin-bottom:10px}.banner{background:var(--accent-soft);border-radius:var(--radius);margin-bottom:14px;padding:10px 14px}.banner p{margin:4px 0}.banner 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li.finished{opacity:.7}.time-col{min-width:52px;color:var(--muted);flex-direction:column;align-items:center;font-size:.75rem;display:flex}.time-col .period-num{color:var(--text);font-size:.85rem;font-weight:700}.session-body{text-align:left;background:0 0;border:none;flex-direction:column;flex:1;gap:2px;padding:0;display:flex}.session-body .name{font-weight:700}.session-body .sub{color:var(--muted);flex-wrap:wrap;gap:10px;font-size:.8rem;display:flex}.session-body .sub.warn-text{color:var(--warn)}.absent-toggle{align-self:center;min-width:56px;font-size:.85rem}.absent-toggle.on{background:var(--danger);border-color:var(--danger);color:#fff}.today-tasks h3{font-size:1rem}.task-list{flex-direction:column;gap:6px;margin:0 0 12px;padding:0;list-style:none;display:flex}.task-list li{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);align-items:center;gap:10px;padding:8px 10px;display:flex}.task-list li input[type=checkbox]{flex-shrink:0;width:20px;height:20px}.task-list li.done .task-title{color:var(--muted);text-decoration:line-through}.task-body{text-align:left;background:0 0;border:none;flex-direction:column;flex:1;gap:3px;min-width:0;padding:0;display:flex}.task-title{font-weight:600}.task-meta{color:var(--muted);flex-wrap:wrap;gap:4px 12px;font-size:.78rem;display:flex}.course-dot:before{content:"";background:var(--course);border-radius:50%;width:8px;height:8px;margin-right:4px;display:inline-block}.due.soon{color:var(--warn);font-weight:600}.due.overdue{color:var(--danger);font-weight:700}dialog{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:14px;width:min(520px,100vw - 24px);max-height:calc(100vh - 48px);padding:20px;overflow-x:hidden}dialog::backdrop{background:#00000073}.modal-fallback{z-index:30;background:#00000073;justify-content:center;align-items:center;padding:24px 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0}.about-hero{align-items:center;gap:16px;margin:8px 0 16px;display:flex}.about-hero img{border-radius:14px;flex-shrink:0}.about-hero h2{border:none;margin:0;padding:0;font-size:1.3rem}.about-hero p{color:var(--accent);margin:2px 0 0;font-weight:700}.onboarding{line-height:1.7}.onboarding .about-hero{margin-top:0}.onboarding>p{margin:8px 0;font-size:.92rem}.onboarding-points{background:var(--accent-soft);border-radius:var(--radius);margin:12px 0;padding:12px 14px;font-size:.88rem;list-style:none}.onboarding-points li+li{margin-top:6px}.onboarding-points strong{color:var(--accent)}.error-screen{text-align:center;max-width:480px;margin:0 auto;padding:48px 20px}.error-screen h1{margin-bottom:12px;font-size:1.3rem}.modal-fallback>dialog{margin:0;display:block;position:static;overflow-y:auto}dialog h2{margin-bottom:12px;font-size:1.15rem}dialog h3{color:var(--muted);margin-bottom:8px;font-size:.9rem}dialog section{border-top:1px solid var(--border);margin-top:12px;padding-top:12px}dialog section>button{margin:0 6px 6px 0}dialog form>label,dialog .sheet>label,dialog .row>label{flex-direction:column;gap:4px;margin-bottom:10px;font-size:.9rem;display:flex}dialog fieldset{border:1px solid var(--border);border-radius:8px;margin:0 0 12px;padding:10px 12px}dialog legend{padding:0 4px;font-size:.9rem}.dialog-head{justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:12px;display:flex}.dialog-head h2{margin-bottom:0}.dialog-head button{flex-shrink:0}.course-title{border-left:5px solid var(--course);padding-left:10px}.meta{color:var(--muted);margin:4px 0;font-size:.85rem}.meta .badge{margin-left:8px}.row{flex-wrap:wrap;align-items:flex-end;gap:10px;display:flex}.row>label{flex:1;min-width:90px}.inline-form{margin-top:8px}.inline-form>button{margin-bottom:10px}label.check{flex-direction:row;align-items:center;gap:8px;font-size:.9rem;display:flex}.segmented{gap:6px;margin-bottom:12px;display:flex}.segmented label{text-align:center;cursor:pointer;border:1px solid var(--border);border-radius:8px;flex:1;padding:7px 4px;font-size:.9rem}.segmented input{opacity:0;pointer-events:none;position:absolute}.segmented label.checked{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}.day-choices{flex-wrap:wrap;gap:6px;display:flex}.day-choices label{border:1px solid var(--border);cursor:pointer;border-radius:20px;align-items:center;gap:4px;padding:4px 10px;display:flex}.day-choices label.checked{background:var(--accent-soft);border-color:var(--accent)}.period-list{flex-direction:column;gap:6px;margin-bottom:10px;display:flex}.period-row{align-items:center;gap:6px;display:flex}.period-row .label{flex-shrink:0;width:2.6em;font-weight:600}.period-row input[type=time]{flex:1}.period-row button{flex-shrink:0;padding:4px 10px}details summary{cursor:pointer;color:var(--accent);margin:8px 0}.history ul{max-height:220px;margin:0;padding:0;list-style:none;overflow-y:auto}.history li{border-bottom:1px solid var(--border);padding:4px 0}.plain-list{margin:0 0 8px;padding:0;list-style:none}.plain-list li{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:8px;padding:6px 0;font-size:.88rem;display:flex}.colors{flex-wrap:wrap;gap:8px;display:flex}.colors label{cursor:pointer}.colors input{opacity:0;pointer-events:none;position:absolute}.colors .swatch{border:2px solid #0000;border-radius:50%;width:28px;height:28px;display:block}.colors input:checked+.swatch{border-color:var(--text);box-shadow:0 0 0 2px var(--surface) inset}.colors input:focus-visible+.swatch{outline:2px solid var(--accent)}.dialog-actions{background:var(--surface);flex-wrap:wrap;gap:8px;margin:12px 0 -20px;padding:10px 0 20px;display:flex;position:sticky;bottom:-20px}.spacer{flex:1}@media (min-width:700px){main{padding:20px}.grid{border-spacing:5px}.grid th.corner,.grid th.period{width:64px}.cell{height:84px;padding:6px 8px;font-size:.88rem}}