:root{--bg: #f6f7f9;--card: #fff;--text: #1f2937;--muted: #6b7280;--border: #e5e7eb;--primary: #2563eb;--green: #16a34a;--green-bg: #dcfce7;--danger: #dc2626;font-family:system-ui,-apple-system,Hiragino Sans,Noto Sans JP,sans-serif;color:var(--text)}body{margin:0;background:var(--bg)}button{font:inherit;cursor:pointer;border:1px solid var(--primary);background:var(--primary);color:#fff;border-radius:6px;padding:.45em 1em}button.secondary{background:#fff;color:var(--text);border-color:var(--border)}button:hover{filter:brightness(.95)}input,textarea{font:inherit;width:100%;box-sizing:border-box;padding:.45em .6em;border:1px solid var(--border);border-radius:6px;margin-top:.25em}label{display:block;margin-bottom:.8em;font-size:.9em}.hint{color:var(--muted);font-size:.88em}.error{color:var(--danger);font-size:.88em}header{display:flex;flex-wrap:wrap;gap:.5em;justify-content:space-between;align-items:center;padding:.75em 1rem;background:var(--card);border-bottom:1px solid 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var(--border);text-align:center}dialog{border:none;border-radius:12px;padding:1.25rem;max-width:min(420px,90vw);box-shadow:0 10px 40px #0003}dialog h3{margin-top:0}dialog menu{display:flex;justify-content:flex-end;gap:.5em;padding:0;margin:1em 0 0}#toast{position:fixed;left:50%;bottom:calc(1.5rem + env(safe-area-inset-bottom,0px));transform:translate(-50%);background:#111827;color:#fff;padding:.7em 1.2em;border-radius:8px;z-index:100;max-width:90vw}#toast.error{background:var(--danger)}.fc .ev-availability{background:var(--green-bg);border-color:var(--green)}.fc .ev-availability .fc-event-main{color:var(--green);font-weight:600}.fc .ev-booking{background:var(--primary);border-color:var(--primary)}.fc .ev-open{background:var(--green-bg);border-color:var(--green);cursor:pointer}.fc .ev-open .fc-event-main{color:var(--green)}.fc .ev-open:hover{background:var(--green)}.fc .ev-open:hover .fc-event-main{color:#fff}.fc .ev-taken{background:#e5e7eb;border-color:#d1d5db}.fc .ev-taken 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p{margin:0}.spinner{width:32px;height:32px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--primary);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.spinner{animation-duration:2s}}.fc .ev-summary{cursor:pointer;font-size:.82em;padding:0 .3em;border-radius:4px}.fc .ev-summary-open{background:var(--green-bg);border-color:var(--green)}.fc .ev-summary-open .fc-event-main,.fc .ev-summary-open .fc-event-title{color:var(--green);font-weight:600}.fc .ev-summary-none{background:#f3f4f6;border-color:#e5e7eb}.fc .ev-summary-none .fc-event-title{color:var(--muted)}.fc .ev-summary-mine{background:var(--primary);border-color:var(--primary)}.fc .ev-summary-mine .fc-event-title{color:#fff}.fc .fc-daygrid-day{cursor:pointer}@media(max-width:700px){main{padding:.5rem}.card{padding:.75rem;border-radius:8px;margin-bottom:.75rem}header{padding:.5em .75rem}header h1{font-size:1.05em}.user>span{display:none}.user button{padding:.35em .7em;font-size:.85em}.fc .fc-toolbar{flex-wrap:wrap;gap:.5em}.fc .fc-toolbar-chunk:nth-child(2){order:-1;flex-basis:100%;text-align:center}.fc .fc-toolbar-title{font-size:1.1em}.fc .fc-button{padding:.3em .55em;font-size:.85em}.fc .ev-summary{font-size:.68em;padding:0 .15em}.fc .fc-daygrid-event .fc-event-title{white-space:normal}.list li{flex-wrap:wrap}.fc .fc-col-header-cell-cushion{display:flex;flex-direction:column;align-items:center;line-height:1.2;padding:2px 0}.fc .dh-date{font-size:.85em}.fc .dh-wd{font-size:.75em;font-weight:400}.fc-timeGridWeek-view .fc-event-time{display:none}.fc-timeGridWeek-view .fc-timegrid-event .fc-event-main{font-size:.7em;padding:1px;line-height:1.2}.fc .fc-timegrid-axis-cushion,.fc .fc-timegrid-slot-label-cushion{font-size:.75em;padding:0 2px}.login{margin:8vh 1rem;padding:1.5rem}}.row{display:flex;flex-wrap:wrap;gap:.5em;margin-top:.5em}a.button{display:inline-block;text-decoration:none;border:1px solid var(--primary);background:var(--primary);color:#fff;border-radius:6px;padding:.45em 1em}#feed-url{font-size:.8em}.list .note{margin-top:.3em;padding:.4em .6em;background:var(--bg);border-radius:6px;white-space:pre-wrap;font-size:.9em;color:var(--text)}dialog textarea{margin-bottom:.25em}