@font-face{font-family:Noto Sans JP;font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/study-400.woff2?v=d3462b2c75) format("woff2")}@font-face{font-family:Noto Sans JP;font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/study-500.woff2?v=76ade2b50c) format("woff2")}@font-face{font-family:Noto Sans JP;font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/study-600.woff2?v=33aeaf8b38) format("woff2")}@font-face{font-family:Instrument Sans;font-style:normal;font-weight:400 700;font-display:swap;src:url(../fonts/instrument-sans.woff2?v=2ee17598a9) format("woff2")}:root{--bg: #f3f4f6;--surface: #ffffff;--sunken: #eceef2;--ink: #161a22;--muted: #646c79;--faint: #9aa1ad;--line: #e1e4e9;--accent: #3442a6;--accent-ink: #2b3790;--accent-soft: #e7e9f7;--on-accent: #ffffff;--mark: #c7412f;--mark-soft: #fbe9e6;--focus: #e0a43a;--shadow: 0 1px 2px rgba(22, 26, 34, .05), 0 8px 24px -12px rgba(22, 26, 34, .12);--latin: "Instrument Sans", "Noto Sans 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input:checked+.switch-track{background:var(--accent)}.switch input:checked+.switch-track:after{transform:translate(16px)}.switch input:focus-visible+.switch-track{outline:3px solid var(--focus);outline-offset:2px}.switch small{color:var(--muted);font-size:12px;margin-left:4px}.shuffle-group{display:inline-flex;align-items:center;gap:2px}.shuffle-btn{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 14px 0 12px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:13px;color:var(--muted)}.shuffle-btn[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.timing-btn{display:inline-flex;align-items:center;gap:12px;min-height:44px;padding:0 12px;border-radius:12px;font-size:13px;color:var(--muted)}.timing-btn b{font-family:var(--latin);color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums;margin:0 1px}.timing-btn:hover{background:var(--sunken)}.kbd-hint kbd{font-family:var(--latin);font-size:11px;font-weight:600;padding:1px 6px;margin-right:3px;border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;color:var(--muted);background:var(--surface)}.kbd-hint span{white-space:nowrap}.kbd-hint{display:none;flex-wrap:wrap;justify-content:center;gap:6px 16px;margin-top:18px;text-align:center;font-size:12px;color:var(--faint)}@media(hover:hover)and (pointer:fine){.kbd-hint{display:flex}}.dock{position:fixed;left:50%;bottom:0;transform:translate(-50%);width:min(var(--col),100%);padding:10px 16px calc(10px + env(safe-area-inset-bottom));display:grid;grid-template-columns:1fr auto auto auto 1fr;align-items:center;gap:6px;background:var(--bg);background:color-mix(in srgb,var(--bg) 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var(--line)}.chapter:last-child{border-bottom:1px solid var(--line)}.chapter summary{list-style:none;display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:10px;min-height:56px;padding:8px 2px;cursor:pointer}.chapter summary::-webkit-details-marker{display:none}.ch-unit{font-family:var(--latin);font-size:12px;font-weight:600;color:var(--accent-ink);font-variant-numeric:tabular-nums}.ch-title{font-weight:600;font-size:15px;min-width:0}.ch-count{font-size:12px;color:var(--muted)}.ch-chev{color:var(--faint);transition:transform .2s}.chapter[open] .ch-chev{transform:rotate(180deg)}.ch-inner{padding-bottom:14px}.ch-study{margin:0 0 6px -10px}.rows{list-style:none;margin:0;padding:0;background:var(--surface);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}.row{display:grid;grid-template-columns:34px 1fr 44px 44px;align-items:center;gap:4px;padding:4px 6px 4px 12px;border-top:1px solid 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span:nth-child(1){top:0}.chart-axis span:nth-child(2){top:60px}.chart-axis span:nth-child(3){top:120px}.bars{position:relative;height:138px;min-width:0;display:grid;grid-template-columns:repeat(14,1fr);gap:4px;background:linear-gradient(var(--line),var(--line)) 0 0 / 100% 1px no-repeat,linear-gradient(var(--line),var(--line)) 0 60px / 100% 1px no-repeat,linear-gradient(var(--faint),var(--faint)) 0 120px / 100% 1px no-repeat}.bar-col{position:relative;height:138px;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;cursor:pointer;border-radius:6px}.bar-col .bar-fill{width:min(100%,18px);border-radius:4px 4px 0 0;background:var(--accent);opacity:.5;flex:none}.bar-col.is-today .bar-fill,.bar-col.is-picked .bar-fill{opacity:1}.bar-col b{position:absolute;left:50%;transform:translate(-50%);font-family:var(--latin);font-size:10px;font-weight:600;color:var(--ink);white-space:nowrap;pointer-events:none}.bar-col small{height:18px;line-height:18px;font-size:10px;color:var(--faint);font-variant-numeric:tabular-nums;white-space:nowrap;flex:none}.bar-col.is-today small{color:var(--ink);font-weight:600}.bar-caption{font-size:12px;color:var(--muted);min-height:1.5em;font-variant-numeric:tabular-nums}.ch-list{list-style:none;margin:0;padding:0;display:grid;gap:2px}.ch-row{display:grid;grid-template-columns:52px 1fr auto;grid-template-areas:"unit name num" "unit meter meter";column-gap:8px;row-gap:4px;padding:7px 0;border-top:1px solid var(--line);align-items:center}.ch-row:first-child{border-top:0}.ch-row .ch-unit{grid-area:unit;align-self:start;padding-top:2px}.ch-name{grid-area:name;font-size:13px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ch-num{grid-area:num;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap;display:inline-flex;gap:8px;align-items:baseline}.ch-num b{font-family:var(--latin);color:var(--ink);font-weight:600}.ch-num em{font-style:normal;color:var(--mark)}.ch-meter{grid-area:meter;height:6px;border-radius:6px;background:var(--sunken);overflow:hidden}.ch-meter i{display:block;height:100%;background:var(--accent);border-radius:6px}.weak-list{list-style:none;margin:0;padding:0;display:grid}.weak-row{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;border-top:1px solid var(--line)}.weak-row:first-child{border-top:0}.weak-row .row-word{margin-left:-6px}.weak-count{font-size:12px;color:var(--muted);white-space:nowrap}.weak-count b{font-family:var(--latin);font-size:15px;color:var(--ink);margin-right:1px}.banner.quiet{background:var(--sunken);color:var(--ink)}.btn-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.text-btn.danger{color:var(--mark)}.text-btn.danger:hover{background:var(--mark-soft)}.hint.strong{color:var(--ink);font-weight:600}.toast{position:fixed;left:50%;bottom:calc(var(--dock-h) + env(safe-area-inset-bottom) + 16px);transform:translate(-50%);max-width:min(520px,calc(100% - 32px));background:var(--ink);color:var(--bg);padding:11px 16px;border-radius:12px;font-size:13px;line-height:1.5;box-shadow:0 10px 30px -10px #00000059;z-index:20;animation:toast-in .2s ease-out;transition:opacity .25s}body[data-tab=list] .toast,body[data-tab=stats] .toast{bottom:calc(env(safe-area-inset-bottom) + 20px)}.toast.out{opacity:0}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,8px)}}.sheet{border:0;padding:0;width:min(560px,100%);max-width:100%;max-height:min(88dvh,820px);margin:auto auto 0;border-radius:24px 24px 0 0;background:var(--surface);color:var(--ink);box-shadow:0 -10px 40px #0000002e;overflow:hidden}.sheet[open]{display:flex;flex-direction:column;animation:sheet-up .26s cubic-bezier(.2,.8,.2,1)}.sheet::backdrop{background:#0e11186b;animation:fade .2s}@media(min-width:640px){.sheet{margin:auto;border-radius:24px}.sheet[open]{animation:pop .2s ease-out}}@keyframes sheet-up{0%{transform:translateY(40px);opacity:0}}@keyframes pop{0%{transform:scale(.97);opacity:0}}@keyframes fade{0%{opacity:0}}.sheet-head{display:flex;align-items:center;justify-content:space-between;padding:14px 12px 6px 22px}.sheet-head h2{font-size:17px;font-weight:600}.sheet-body{overflow-y:auto;padding:4px 22px 18px;overscroll-behavior:contain}.sheet-foot{padding:12px 22px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--line)}.lead{font-size:13px;color:var(--muted);margin-bottom:8px}.field-group{padding:16px 0;border-top:1px solid var(--line);display:grid;gap:14px}.field-group:first-child{border-top:0}.field-group h3{font-size:13px;font-weight:600;color:var(--muted)}.field{display:grid;gap:6px}.field-label{font-size:14px;font-weight:500}.select-wrap.block{display:block}.range-row{display:flex;align-items:center;gap:8px;font-size:14px}.range-row input,.duration-value input{width:76px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--bg);text-align:center;font-family:var(--latin);font-size:16px;font-weight:600;font-variant-numeric:tabular-nums}.range-row input:focus,.duration-value input:focus{outline:none;border-color:var(--accent)}.range-row .text-btn{margin-left:auto}.hint{font-size:12px;color:var(--muted);line-height:1.6}.field-error{font-size:12px;color:var(--mark);font-weight:500}.scope-result{font-size:13px;color:var(--muted);background:var(--sunken);border-radius:12px;padding:10px 14px}.scope-result b{font-family:var(--latin);font-size:16px;color:var(--ink)}.switch-line{display:flex}.duration{display:grid;gap:8px}.duration+.duration{margin-top:8px}.duration-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.duration-value{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}.duration-value input{width:64px}.step{font-family:var(--latin);width:36px;height:36px;border-radius:50%;background:var(--sunken);font-size:18px;line-height:1;color:var(--ink)}.step:hover{background:var(--line)}input[type=range]{width:100%;height:28px;accent-color:var(--accent);margin:0}.file-pick{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px;border:1px dashed var(--faint);font-size:14px;font-weight:500;cursor:pointer;width:fit-content}.file-pick:hover{background:var(--sunken)}.file-pick input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}.file-pick:focus-within{outline:3px solid var(--focus);outline-offset:2px}.import-preview{display:grid;gap:10px;background:var(--sunken);border-radius:14px;padding:14px}.import-preview p:first-child{font-weight:600;font-size:14px}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}