:root{--ink: #17352c;--muted: #667871;--green: #154c3b;--green-2: #246952;--pale: #edf5f0;--paper: #fff;--bg: #f5f7f3;--line: #d9e1dc;--orange: #e7773e;--yellow: #f1c75b;--danger: #b84e38;--today: #2e6fa3;--shadow: 0 12px 36px rgba(21, 76, 59, .08)}*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--ink);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Yu Gothic UI,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.66}.app-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;min-height:72px;padding:12px max(24px,calc((100vw - 1040px)/2));background:#fffffff0;border-bottom:1px solid 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#154c3b14}.auth-form{display:grid}.auth-form h2{margin-bottom:3px;font-size:25px}.auth-form .button.wide{margin-top:17px}.text-button{justify-self:center;margin-top:13px;padding:7px;color:var(--green);background:transparent;border:0;font-size:11px;font-weight:750}.form-note{margin:12px 0 0;color:var(--muted);font-size:10px;line-height:1.65}.form-error{margin:12px 0 0;padding:9px 11px;color:var(--danger);background:#fff0eb;border-radius:9px;font-size:11px;line-height:1.55}.auth-notice{display:grid;gap:10px;padding:18px;border-radius:13px}.auth-notice strong{font-size:16px}.auth-notice p{margin:0;font-size:12px;line-height:1.7}.auth-notice.success{color:var(--green);background:#eaf7ef}.auth-notice.error{color:var(--danger);background:#fff0eb}.auth-notice .button{justify-self:start;margin-top:5px}.import-summary{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:16px 0}.import-summary span{padding:14px;color:var(--muted);background:var(--pale);border-radius:11px;text-align:center;font-size:11px}.import-summary strong{display:block;margin-bottom:2px;color:var(--green);font-size:25px}.page-shell{width:min(1040px,calc(100% - 40px));margin:0 auto;padding:48px 0 80px}.intro{margin-bottom:30px}.intro h1{margin:0 0 10px;font-size:clamp(34px,5vw,54px);letter-spacing:-.045em}.intro>p:last-child{max-width:650px;margin:0;color:var(--muted);line-height:1.8}.eyebrow{margin:0 0 7px;color:var(--orange);font-size:10px;font-weight:850;letter-spacing:.15em}h2,p{margin-top:0}h2{margin-bottom:0;font-size:23px}.calendar-card,.plan-card{background:var(--paper);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.calendar-card{padding:24px}.plan-card{margin-top:22px;padding:28px}.card-heading,.match-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.calendar-heading{margin-bottom:20px}.month-controls{display:flex;gap:6px}.month-controls 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var(--green)}.all-task-row.completed{background:#eaf7ef}.all-task-date{padding-right:12px;border-right:1px solid var(--line);text-align:center}.all-task-date strong,.all-task-date span{display:block}.all-task-date strong{font-size:13px}.all-task-date span{margin-top:3px;color:var(--muted);font-size:9px}.all-task-copy h3{margin:0 0 4px;font-size:13px}.task-status{display:grid;justify-items:center;gap:2px;padding:7px 6px;border-radius:9px;text-align:center}.task-status strong{font-size:10px}.task-status span{font-size:8px}.status-done{color:var(--green);background:#e6f3eb}.status-overdue{color:var(--danger);background:#fff0eb}.status-today{color:#a04a1f;background:#fff0e4}.status-soon{color:#80620d;background:#fff7dc}.status-future{color:#5e7069;background:#eef2ef}.all-task-actions{display:flex;gap:5px}.all-task-actions button{padding:8px 9px;border:0;border-radius:9px;font-size:9px;font-weight:800;white-space:nowrap}.all-task-actions 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#0d2b224d}.dialog-header{display:flex;justify-content:space-between;gap:20px;margin-bottom:18px}.icon-button{width:36px;height:36px;padding:0;color:var(--muted);background:var(--pale);border:0;border-radius:10px;font-size:22px}.form-intro{color:var(--muted);font-size:13px}.field{display:grid;gap:7px;margin-top:15px}.field span{font-size:12px;font-weight:800}.field input,.message-text{width:100%;padding:13px;color:var(--ink);background:#fff;border:1px solid #cfd9d3;border-radius:11px;outline:none}.field input:focus,.message-text:focus{border-color:var(--green);box-shadow:0 0 0 3px #154c3b1a}.auto-note{display:flex;justify-content:space-between;margin-top:18px;padding:12px;background:var(--pale);border-radius:11px;font-size:12px}.auto-note span{color:var(--muted)}.message-destination{padding:10px 12px;background:var(--pale);border-radius:10px;font-size:12px}.message-text{min-height:220px;resize:vertical;line-height:1.7}.message-caution{margin:9px 0 0;color:var(--muted);font-size:10px;line-height:1.6}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.delete-target{display:grid;gap:4px;padding:14px;background:#f7f8f6;border:1px solid var(--line);border-radius:12px}.delete-target strong{font-size:15px}.delete-target span{color:var(--muted);font-size:12px}.delete-warning{margin:13px 0 0;color:var(--danger);font-size:12px;line-height:1.7}.toast{position:fixed;z-index:60;left:50%;bottom:22px;padding:11px 16px;color:#fff;background:var(--ink);border-radius:11px;opacity:0;pointer-events:none;transform:translate(-50%,12px);transition:.2s}.toast.show{opacity:1;transform:translate(-50%)}@media(max-width:650px){.app-header{min-height:64px;padding:10px 13px}.header-add-button{padding:9px 12px;border-radius:10px;font-size:12px}.brand small{display:none}.brand-mark{width:39px;height:39px}.account-menu>span{display:none}.account-button{padding:8px;font-size:9px}.auth-page{min-height:calc(100vh - 65px);padding:24px 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0);clip-path:inset(50%);white-space:nowrap}.calendar-hint{margin-top:10px;line-height:1.5}.task-details summary{gap:10px;padding:12px 10px 12px 14px}.task-summary-counts{gap:5px}.task-summary-counts strong{font-size:11px;white-space:nowrap}.task-summary-counts span{padding:3px 5px;white-space:nowrap}.task-summary-counts i{flex-basis:32px;width:32px;height:32px;margin-left:2px}.all-task-row{grid-template-columns:54px minmax(0,1fr) 70px;gap:10px;padding:13px 11px}.all-task-actions{grid-column:2 / -1}.all-task-actions button{flex:1}.countdown{min-width:72px;padding:9px}.match-heading h2{font-size:19px}.match-switcher{grid-template-columns:minmax(0,1fr) auto;gap:7px}.delete-match-button{width:36px;height:34px;overflow:hidden;padding:0;color:transparent}.delete-match-button:before{content:"削";display:grid;place-items:center;width:100%;height:100%;color:#8c4b3e;font-size:11px;font-weight:850}.delete-match-button:hover:before{color:#fff}}