:root{--ink:#233d38;--muted:#596b65;--green:#24675d;--pale:#edf4ef;--paper:#fffefa;--line:#dce3dc;--accent:#d69c43;--bg:#f5f5ef;font-family:"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:var(--bg);font-size:16px;font-synthesis:none}
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/* Daily practice keeps the existing notebook palette and question layout. */
[hidden]{display:none!important}
.legacy-notice{border:1px solid #c6d8c8;background:var(--pale);border-radius:10px;padding:17px 20px;margin:0 0 22px;font-size:13px;line-height:1.8}.legacy-notice p{font-size:11px;color:var(--muted);margin:6px 0 0}.legacy-question{background:var(--pale);padding:12px 15px;border-radius:6px;font-size:12px;line-height:1.9;color:var(--green);margin:0 0 22px}
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dashed #b5c5b3;border-radius:50%;width:32px;height:32px;display:grid;place-items:center;font-weight:400;font-size:11px;background:#fafbf6}.week-day.full b{background:var(--green);color:white;border:1px solid var(--green);font-size:19px}.week-day.partial b{background:#e4d8a4;color:#494c2c;border-style:solid;border-color:#c4b376;font-weight:700}.week-day.is-today b{outline:2px solid var(--green);outline-offset:3px}.week-day.is-today>span,.week-day.is-today small{color:var(--green);font-weight:bold}.week-day small{font-size:9px}.week-caption{font-size:10px;line-height:1.8;color:var(--muted);margin:15px 0 21px}.lifetime-stats{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #d0dacd;padding-top:19px;gap:12px}.lifetime-stats>div{display:flex;flex-direction:column;gap:5px}.lifetime-stats b{font-size:30px;line-height:1.2;font-variant-numeric:tabular-nums}.lifetime-stats small{font-size:12px;font-weight:400}.lifetime-stats span{font-size:10px;color:var(--muted)}.encouragement{font-size:11px;line-height:1.9;color:var(--green);margin:20px 0 0}.badges-section{margin-top:32px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:15px}.section-heading h2{font-size:17px;margin:0}.section-heading>span{font-size:11px;color:var(--muted)}.badges{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.badge{display:flex;align-items:center;gap:12px;padding:18px 14px;border:1px solid var(--line);border-radius:10px;background:#f0f1eb}.badge-icon{display:grid;place-items:center;border:1px solid #b8c5ba;border-radius:50%;width:42px;height:42px;flex-shrink:0;color:#607169;font-size:24px}.badge h3{font-size:12px;margin:0 0 5px}.badge p{font-size:10px;line-height:1.7;color:var(--muted);margin:0}.badge div>span{font-size:9px;color:var(--muted);display:block;margin-top:5px}.badge.earned{background:#fbf4df;border-color:#d9c88c}.badge.earned .badge-icon{color:#786025;border-color:#c5ae68;background:#f5e5b2}.badge.earned div>span{color:#725b20}.home-library{margin-top:29px;border-bottom:1px solid var(--line)}.home-library>summary{font-size:13px;min-height:52px}.home-library>summary>span{float:right;font-size:11px;color:var(--muted);font-weight:400}.home-library>p{font-size:11px;color:var(--muted)}.library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding-bottom:20px}.library-grid h3{font-size:12px;line-height:1.7}.library-grid h3 span{display:block;font-size:10px;font-weight:400;color:var(--muted)}.library-grid a{font-size:11px;display:block;line-height:1.8;padding:10px 0;border-top:1px solid var(--line);text-decoration:none}.library-grid a>span{display:block;font-size:10px;color:var(--green)}.library-grid a>b{font-size:9px;color:#7b5c24;display:block}.library-grid a:hover{text-decoration:underline}.rotation-note{font-size:10px;line-height:1.9;color:var(--muted);margin:18px 0 0}.storage-note{font-size:10px;margin-top:25px;padding-top:16px;line-height:1.9}.text-button{min-height:44px;font-size:11px}.daily-run{margin:24px 0}.run-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;font-size:12px}.run-heading a{padding:12px 0;text-decoration:none;color:var(--green)}.run-heading b>span{font-weight:400;color:var(--muted);margin-left:10px}.daily-run .daily-field{flex-direction:row;gap:9px;min-height:48px;padding:9px}.daily-run .field-icon{font-size:18px;height:22px}.daily-run .field-state{margin-left:auto}.back-home{display:block;font-size:12px;color:var(--green);text-decoration:none;padding:12px 0;margin-bottom:15px}.library-nav{margin-top:18px}.library-nav summary{min-height:48px}.workspace .sidebar{padding-top:0}.daily-continue{margin-top:24px}.daily-continue>p{font-size:12px;line-height:1.9;color:var(--green)}.daily-continue>.primary{min-height:48px}.daily-finish{text-align:center;padding:25px 18px;background:var(--pale);border-radius:10px;border:1px solid #b9d1bf}.daily-finish>span{font-size:36px;color:#937026}.daily-finish h3{margin:8px 0 12px;font-size:22px}.daily-finish p{font-size:13px;line-height:1.95}.daily-finish .primary{margin-top:8px}.earned-stamp{text-align:center;font-size:13px;background:#f5e8bb;color:#65521e;border-radius:7px;padding:16px 8px;margin:20px 0 0;line-height:1.8}.earned-stamp span{margin-right:7px}.day-complete{border-color:#adcaaf}.review-buttons button{min-height:44px}.nav-question{min-height:44px}
@media(max-width:1000px){.home-grid{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:18px}.today-card,.weekly-card{padding:23px 20px}.today-summary h2{font-size:21px}.badges{grid-template-columns:repeat(2,minmax(0,1fr))}.weekly-card{padding:23px 16px}.week-stamps{gap:3px}.week-day b{width:28px;height:28px}.daily-run .field-state{display:none}.intro-orbit{margin-right:20px}}
@media(max-width:700px){.home-grid{grid-template-columns:1fr}.home-intro{padding:29px 4px 26px}.home-intro h1{font-size:29px}.home-intro .lead{font-size:12px}.intro-orbit{display:none}.weekly-card{padding:23px}.week-day b{width:38px;height:38px}.week-stamps{gap:9px}.week-caption{margin-bottom:16px}.lifetime-stats{padding-top:15px}.lifetime-stats b{font-size:27px}.encouragement{margin-top:16px}.library-grid{grid-template-columns:1fr}.library-grid section+section{border-top:1px solid var(--line)}.workspace{display:flex;flex-direction:column;gap:14px}.workspace .sidebar{position:static;width:100%}.workspace .back-home{display:none}.library-nav{margin-top:10px}.library-nav summary{padding:10px 0}.daily-run{margin:8px 0 16px}.daily-run .daily-fields{gap:5px}.daily-run .daily-field{flex-direction:column;gap:3px;padding:6px 2px;font-size:11px;min-height:61px}.run-heading{margin-bottom:8px}.badge{padding:15px 12px;gap:10px}.badge-icon{width:36px;height:36px;font-size:21px}.badges{gap:9px}.badges-section{margin-top:25px}.header-home{font-size:11px}.today-summary{margin:19px 0}.today-summary h2{font-size:22px}.today-summary p{font-size:12px}.daily-ring{width:94px;height:94px}.daily-ring b{font-size:29px}.daily-fields{gap:6px}.daily-field{min-height:89px;font-size:11px}.today-card{padding:22px 18px}.today-heading .eyebrow{font-size:10px}.daily-pill{font-size:9px}.daily-help{font-size:10px}.home-library summary{font-size:12px}.home-library>summary>span{font-size:10px}.text-button{font-size:11px}.storage-note{font-size:10px}.question-card{scroll-margin-top:12px}.sidebar .progress-label{font-size:10px}.daily-finish .primary{font-size:12px}}
@media(max-width:360px){.today-summary h2{font-size:20px}.today-summary{gap:10px}.daily-ring{width:82px;height:82px}.today-card{padding:20px 13px}.daily-field{font-size:10px}.week-stamps{gap:5px}.week-day b{width:30px;height:30px}.badge{gap:7px;padding:12px 8px}.badge h3{font-size:11px}.badge-icon{width:30px;height:30px}}
@media(max-width:700px){.home-intro h1{font-size:25px}}
@media(max-width:360px){.home-intro h1{font-size:20px}.today-summary{position:relative;display:block;min-height:142px;padding-right:83px}.today-summary h2{font-size:19px;width:calc(100% + 83px)}.today-summary .daily-ring{position:absolute;right:0;top:49px;width:75px;height:75px}}
@media(min-width:701px){.home-intro{padding:30px 0 28px}.home-intro h1{font-size:clamp(28px,3vw,36px);line-height:1.45}}

/* Web UI 2.0: learners choose a field and work through its questions one at a time. */
.field-tiles{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.field-tile{display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 8px 12px;background:#f5f6ef;border:1px solid var(--line);border-radius:12px;text-decoration:none;min-height:150px;transition:background .15s,border-color .15s}
.field-tile:hover{background:var(--pale);border-color:#9eb8a9}
.field-tile.done{background:#e6f0e8;border-color:#c0d6c5}
.tile-name{font-size:15px;font-weight:700}
.tile-count{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.tile-count b{font-size:18px;color:var(--ink)}
.tile-bar{width:100%;height:5px;border-radius:5px;background:#e1e7dd;overflow:hidden}
.tile-bar span{display:block;height:100%;background:var(--green);border-radius:5px}
.tile-review{font-size:10px;color:#9a5f22;min-height:15px}
.old-stamps{font-size:11px;color:#65521e;background:#f5e8bb;border-radius:7px;padding:9px 12px;margin:16px 0 0;line-height:1.7}
.old-stamps span{margin-right:5px}
.field-page{margin:24px 0}
.field-card{max-width:860px}
.field-head{display:flex;align-items:center;gap:18px}
.field-head>.field-icon{font-size:40px;height:auto;width:64px;height:64px;border-radius:50%;background:var(--pale);flex-shrink:0}
.field-head h1{margin:0;font-size:32px}
.field-head .eyebrow{margin:0 0 4px}
.field-head .daily-ring{margin-left:auto}
.field-head .daily-ring b{font-size:26px}
.field-actions{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.field-actions .start-daily{margin-top:0;text-align:left;gap:12px}
.review-start{text-align:center;min-height:48px}
.field-list-section{max-width:860px;margin-top:30px}
.field-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.field-list a{display:flex;align-items:center;gap:14px;padding:14px 8px;border-bottom:1px solid var(--line);text-decoration:none;font-size:13px;line-height:1.6}
.field-list a:hover{background:#eef2e9}
.list-number{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums;min-width:44px}
.list-title{flex:1;min-width:0}
.list-state{font-size:10px;color:var(--muted);white-space:nowrap;border:1px solid var(--line);border-radius:20px;padding:3px 9px;background:white}
.field-list .is-understood .list-state{color:var(--green);border-color:#b9d1bf;background:var(--pale)}
.field-list .is-review .list-state{color:#9a5f22;border-color:#e2c39b;background:#fff6ed}
.field-list .is-previous .list-state{color:var(--green)}
.run-progress{margin:0 0 4px}
a.nav-question{text-decoration:none}
.nav-question .nav-field{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.daily-continue .button-row{margin-top:10px}
@media(max-width:850px){.field-tiles{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:620px){.field-tiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.field-tile{min-height:128px;padding:13px 6px 10px}
#question-nav{display:block}.nav-question{padding:9px 6px}
.field-head{flex-wrap:wrap;gap:12px}.field-head h1{font-size:26px}.field-head>.field-icon{width:52px;height:52px;font-size:32px}
.field-list a{gap:10px;padding:13px 4px;font-size:12px}.list-number{min-width:38px}}