:root{--page:#f4f6f1;--paper:#fff;--white:#fff;--ink:#20352b;--muted:#667268;--forest:#204b38;--green:#256144;--green-soft:#eaf2e8;--lime:#dbed8a;--line:#e0e6dd;--line-strong:#cbd4c8;--focus:#809d24;--amber:#895618;--amber-soft:#fbf0dc}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0;overflow:hidden}html{background:var(--page);-webkit-text-size-adjust:100%}body{color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Noto Sans JP,Yu Gothic,sans-serif;font-size:13px;line-height:1.5}button,select,input{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{cursor:pointer;color:inherit}button:disabled{cursor:default;opacity:.4}a{color:inherit;text-underline-offset:3px}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,[tabindex="0"]:focus-visible{outline:3px solid var(--focus);outline-offset:-2px}::selection{background:var(--lime);color:var(--ink)}:root{scrollbar-color:var(--line-strong) var(--page)}h1,h2,h3,p{margin:0}.icon{vertical-align:middle;flex-shrink:0;display:inline-block}.srOnly{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.appFrame{max-width:1100px;height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);grid-template-rows:minmax(0,3fr) minmax(0,2fr);margin:auto;display:grid}.calendarPane{grid-template-rows:auto auto 24px minmax(0,1fr) auto;min-width:0;min-height:0;padding:0 4px 3px;display:grid;overflow:hidden}.appHeader{align-items:center;gap:8px;min-width:0;min-height:52px;display:flex}.appHeader h1{white-space:nowrap;font-size:13px;font-weight:750}.calendarRange{color:var(--muted);font-variant-numeric:tabular-nums;font-size:10px}.headerActions{align-items:center;gap:4px;margin-left:auto;display:flex}.officialLink{white-space:nowrap;border:1px solid var(--line-strong);background:var(--paper);border-radius:6px;align-items:center;gap:4px;min-height:44px;padding:0 8px;font-size:13px;font-weight:600;text-decoration:none;display:inline-flex}.officialLink .icon{width:16px}.refreshButton{border:1px solid var(--line-strong);background:var(--paper);border-radius:6px;width:44px;height:44px;padding:11px}.refreshButton .icon{width:20px;height:20px}.calendarToolbar{justify-content:space-between;align-items:center;gap:6px;min-width:0;min-height:48px;display:flex}.levelFilters{scrollbar-width:none;gap:4px;min-width:0;display:flex;overflow-x:auto}.levelFilters button{background:var(--course-bg);min-width:44px;min-height:44px;color:var(--course-ink);white-space:nowrap;border:2px solid #0000;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;padding:0 8px;font-size:13px;font-weight:600;display:inline-flex}.levelFilters button[aria-pressed=true]{border-color:var(--course-ink)}.levelAll{--course-bg:var(--line);--course-ink:var(--ink)}.levelBasic{--course-bg:#e3f1e5;--course-ink:#23513a}.levelBasicPlus{--course-bg:#e2edfb;--course-ink:#244d78}.levelBeginner{--course-bg:#f6e7cd;--course-ink:#714916}.levelOther{--course-bg:#ece7f2;--course-ink:#5c456f}.filterToggle{border:1px solid var(--line-strong);background:var(--paper);border-radius:6px;flex-shrink:0;align-items:center;gap:6px;min-height:44px;padding:0 8px;font-size:13px;font-weight:600;display:inline-flex}.filterToggle .icon{width:16px;height:16px}.filterToggle[aria-expanded=true]{border-color:var(--forest)}.filterToggle.isFiltered{color:var(--green);font-weight:700}.filterCount{font-variant-numeric:tabular-nums}.weekdays{text-align:center;grid-template-columns:repeat(7,minmax(0,1fr));align-items:center;font-size:12px;line-height:24px;display:grid}.weekdays>:nth-child(6){color:#244d78}.weekdays>:nth-child(7){color:#924432}.calendarGrid{--lesson-row-height:22px;--lesson-font-max:15px;grid-template-columns:repeat(7,minmax(0,1fr));grid-template-rows:repeat(var(--week-rows), minmax(0, 1fr));background:var(--line-strong);border:1px solid var(--line-strong);gap:1px;min-width:0;min-height:0;display:grid;overflow:hidden}.calendarDay{background:var(--paper);text-align:left;border:0;flex-direction:column;justify-content:flex-start;min-width:0;height:100%;min-height:0;padding:2px 1px;display:flex;overflow:hidden}.cellHeading{flex-shrink:0;justify-content:space-between;align-items:baseline;gap:1px;height:22px;padding:0 2px;line-height:22px;display:flex}.cellHeading>strong{margin-right:auto;font-size:16px;font-weight:700}.holidayMark{color:#924432;flex-shrink:0;font-size:10px;font-weight:700;line-height:1}.outsideDay .holidayMark{margin-left:3px}.todayDay .cellHeading>strong{background:var(--forest);color:#fff;border-radius:3px;padding:0 2px}.calendarDay.selectedDay{outline:2px solid var(--forest);outline-offset:-2px;z-index:1;position:relative}.selectedDay .cellHeading{background:var(--lime);color:var(--forest)}.calendarDay:focus-visible{outline:3px solid var(--focus);outline-offset:-3px}.cellLessons{display:block}.miniLesson{height:var(--lesson-row-height);line-height:var(--lesson-row-height);font-family:Arial,Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Noto Sans CJK JP,Yu Gothic,Meiryo,sans-serif;font-size:var(--lesson-font-size,15px);color:var(--course-ink);background:var(--course-bg);white-space:nowrap;font-variant-numeric:tabular-nums;border-radius:2px;flex-wrap:nowrap;align-items:center;gap:1px;padding:0 0 0 2px;font-weight:600;display:flex}.miniLesson>*{font-weight:inherit;flex:none}.miniSnapshot{outline:1px dashed var(--course-ink);outline-offset:-1px}.snapshotNote{color:var(--amber);margin-top:4px;font-size:12px;line-height:1.5}.miniTime{letter-spacing:-.02em;margin-right:auto}.miniVenue:empty{display:none}.miniLesson>strong{text-align:right}.miniUnavailable{background:var(--page);color:var(--muted)}.moreLessons{color:var(--muted);font-size:12px}.dayEmpty{text-align:center;height:20px;color:var(--muted);font-size:11px;line-height:20px;display:block}.calendarGrid[data-capacity="0"] .cellLessons{display:none}.outsideDay{background:var(--page);color:var(--muted);padding:2px 3px;font-size:12px;overflow:hidden}.calendarLegend{min-height:18px;color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:0 3px;font-size:9px;line-height:14px;display:flex}.results{border-top:2px solid var(--line-strong);background:var(--paper);grid-template-rows:auto minmax(0,1fr);min-width:0;min-height:0;display:grid}.resultsHeader{border-bottom:1px solid var(--line);padding:6px 10px 4px}.resultTitle{align-items:center;gap:8px;min-height:26px;display:flex}.resultTitle h2{font-size:17px;font-weight:750}.doneButton{border:1px solid var(--line-strong);min-height:28px;color:var(--green);background:var(--paper);border-radius:5px;margin-left:auto;padding:2px 10px;font-size:12px}.dataStatus{color:var(--muted);flex-wrap:wrap;align-items:center;gap:2px 4px;font-size:9px;display:flex}.statusDot{background:var(--green);border-radius:50%;width:5px;height:5px}.statusDot.warning{background:var(--amber)}.scrollHint{margin-left:auto}.detailScroll{overscroll-behavior:contain;scrollbar-gutter:stable;min-width:0;min-height:0;padding:8px 10px;scroll-padding-top:4px;overflow:auto}.notice{background:var(--amber-soft);color:var(--amber);border-radius:6px;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:8px;padding:8px;font-size:12px;display:flex}.notice p{flex:1;min-width:180px}.notice .icon{width:15px}.lessonList{max-width:780px;margin:0 auto;padding:0;list-style:none}.lessonRow{grid-template-columns:66px minmax(0,1fr) 46px;align-items:center;gap:8px;padding:9px 0;display:grid}.lessonRow+.lessonRow{border-top:1px solid var(--line)}.lessonTime{font-variant-numeric:tabular-nums;flex-direction:column;display:flex}.lessonTime time{font-size:20px;font-weight:700;line-height:1.3}.lessonTime>span{color:var(--muted);margin-top:2px;font-size:11px}.lessonTitle{flex-wrap:wrap;align-items:center;gap:2px 6px;display:flex}.lessonTitle h3{font-size:13px;font-weight:700}.venueLabel{color:var(--muted);font-size:13px}.coach{color:var(--muted);align-items:flex-start;gap:4px;margin-top:3px;font-size:12px;display:flex}.coach .icon{width:12px;height:15px;margin-top:1px}.coach span{overflow-wrap:anywhere}.availabilityBadge{text-align:center;background:var(--green-soft);color:var(--green);border-radius:5px;padding:3px 2px;line-height:1.3}.availabilityBadge>span{font-size:10px;display:block}.availabilityBadge strong{font-variant-numeric:tabular-nums;font-size:20px;font-weight:700}.availabilityBadge small{margin-left:2px;font-size:10px;font-weight:400}.availabilityBadge.fewSeats{background:var(--amber-soft);color:var(--amber)}.unavailableRow .availabilityBadge{color:var(--muted);background:var(--page)}.unavailableRow .lessonTime,.unavailableRow .lessonTitle{color:var(--muted)}.listFootnote{max-width:780px;color:var(--muted);margin:8px auto 0;font-size:10px}.emptyState{text-align:center;max-width:780px;margin:auto;padding:12px 8px}.emptyState h3{font-size:14px}.emptyState p{color:var(--muted);margin-top:4px;font-size:12px}.solidButton{color:#fff;background:var(--forest);border:0;border-radius:6px;justify-content:center;align-items:center;gap:6px;min-height:40px;margin-top:10px;padding:6px 10px;font-size:12px;font-weight:650;display:inline-flex}.solidButton .icon{width:13px}.textButton{min-height:40px;color:var(--green);text-underline-offset:3px;background:0 0;border:0;align-items:center;padding:4px 0;font-size:12px;font-weight:650;text-decoration:underline;display:inline-flex}.extraFilters{max-width:780px;margin:auto}.fullToggle{align-items:center;gap:6px;min-height:36px;font-size:12px;display:flex}.fullToggle input{width:18px;height:18px;accent-color:var(--forest)}fieldset{border:0;margin:0;padding:0}legend,.selectFilters label{font-size:12px;font-weight:650}.periodFilters{gap:4px;margin:4px 0 8px;display:flex}.periodFilters button{border:1px solid var(--line);background:var(--page);border-radius:5px;flex:1;min-height:36px;padding:0 3px;font-size:11px}.periodFilters button[aria-pressed=true]{color:#fff;background:var(--forest)}.selectFilters{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:8px 0 0;display:grid}.selectFilters label{gap:4px;display:grid}select{border:1px solid var(--line-strong);background:var(--paper);width:100%;min-width:0;color:var(--ink);border-radius:5px;min-height:40px;padding:6px;font-size:16px}.loadingList{max-width:780px;margin:auto;padding:4px 0}.skeletonRow{grid-template-columns:66px 1fr 46px;gap:8px;padding:12px 0;display:grid}.skeletonRow span{background:var(--page);border-radius:4px;height:20px;display:block}.skeletonRow div span{height:8px;margin-bottom:4px}.loadingList>p{color:var(--muted);font-size:11px}@keyframes spin{to{transform:rotate(360deg)}}.spinning{animation:1.2s linear infinite spin}@media (hover:hover){button:not(:disabled):hover{filter:brightness(.94)}}@media (width<=639px){.appFrame{grid-template-rows:minmax(0,min(75%,624px)) minmax(0,1fr)}}@media (width<=359px){.appHeader{gap:4px}.appHeader h1{font-size:12px}.calendarRange{font-size:9px}.cellHeading{padding:0 1px}}@media (width>=640px){.calendarPane{padding-left:8px;padding-right:8px}.appHeader h1{font-size:15px}.calendarRange{font-size:12px}.calendarGrid{--lesson-row-height:24px}.calendarLegend{font-size:10px}}@media (height<=500px){.appHeader,.calendarToolbar{min-height:44px}.calendarLegend{display:none}.resultsHeader{padding-top:3px}}@media (width>=640px) and (height<=500px){.calendarPane{grid-template-rows:44px 24px minmax(0,1fr);grid-template-columns:repeat(2,minmax(0,1fr));column-gap:12px}.appHeader{grid-area:1/1}.calendarToolbar{grid-area:1/2}.weekdays{grid-area:2/1/auto/-1}.calendarGrid{grid-area:3/1/auto/-1}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}