@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;600;700&display=swap');
:root{color-scheme:light;--ink:#23372b;--muted:#72796e;--paper:#f5f5ed;--line:#dfe3d6;--green:#233e2c;--lime:#d7ed95;--white:#fffef8;font-family:'DM Sans',system-ui,sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{opacity:.5;cursor:default}button,input,textarea,select{color:var(--ink)}:focus-visible{outline:3px solid #809747;outline-offset:4px}[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(32px,3.5vw,46px);font-weight:500;letter-spacing:-1.8px;margin-bottom:12px}h2{font-size:23px;font-weight:500;letter-spacing:-.6px}h3{font-size:19px;font-weight:500}p{line-height:1.65}.muted{color:var(--muted)}.eyebrow,.nav-label{font-size:11px;font-weight:600;letter-spacing:1.8px}.eyebrow{color:var(--muted);margin-bottom:15px}
.sidebar{width:248px;position:fixed;inset:0 auto 0 0;padding:39px 24px 24px;background:#172820;color:#e9eee1;display:flex;flex-direction:column;z-index:5;overflow:auto}.brand{display:flex;align-items:center;gap:12px;font-size:24px;letter-spacing:-.5px}.brand-mark{display:grid;place-items:center;border:1px solid #73866a;border-radius:13px;width:43px;height:48px;color:var(--lime);font-family:'Noto Sans JP',sans-serif}.brand small{display:block;font-size:8px;letter-spacing:2px;margin-top:6px;color:#a3b09a}.nav-label{color:#8f9f8d;font-size:9px;margin:53px 13px 17px}nav{display:grid;gap:7px}nav a{display:flex;align-items:center;gap:13px;padding:13px;border-radius:7px;font-size:13px;color:#bdc9b8}nav a>span{font-size:19px;width:22px;text-align:center}nav a.active{background:var(--lime);color:#203124}nav a:not(.active):hover{background:#263b2e}nav small{margin-left:auto;border-radius:4px;background:#20312414;padding:2px 6px}.sidebar-bottom{margin-top:auto;padding:35px 12px 0}.sidebar-bottom p{font-family:'Noto Sans JP',sans-serif;font-size:26px;margin-bottom:5px;color:#d0dcbd}.sidebar-bottom>small{font-size:11px;color:#97a58f}.sidebar-bottom>a{font-size:11px;display:block;margin:30px 0 20px}.local-note{font-size:9px;color:#9eac99;line-height:1.8;display:block}.local-note i{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--lime);margin-right:4px}
.workspace{margin-left:248px}.topbar{height:87px;border-bottom:1px solid var(--line);margin:0 46px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px}.quiet{border:0;background:transparent;font-size:12px;padding:10px 0}main{max-width:1270px;padding:43px 46px 30px;margin:auto;min-height:calc(100vh - 150px)}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}.page-head p{margin-bottom:0;font-size:14px;color:var(--muted)}.page-head .eyebrow{margin-bottom:14px}.tag{border:1px solid var(--line);border-radius:30px;padding:8px 12px;font-size:11px;white-space:nowrap}.hero{position:relative;overflow:hidden;display:grid;grid-template-columns:1.3fr 1fr;background:#e6ebd9;border:1px solid #d9e1c8;border-radius:13px;min-height:262px;margin-bottom:23px}.hero-copy{padding:33px 35px;z-index:1}.hero h2{font-size:32px;max-width:370px;line-height:1.2;letter-spacing:-1px;margin-bottom:15px}.hero p{color:#64715a;font-size:13px;max-width:310px;margin-bottom:24px}.hero .eyebrow{font-size:9px}.hero-art{display:flex;justify-content:center;align-items:center;position:relative;isolation:isolate}.hero-art:before,.hero-art:after{content:'';position:absolute;border:1px solid #c4cdb3;border-radius:50%;width:230px;height:230px;z-index:-1}.hero-art:after{width:310px;height:310px}.mini-card{width:131px;height:168px;background:#fcfcf4;box-shadow:0 10px 20px #2a3c2010;border:1px solid #d5ddc6;border-radius:10px;transform:rotate(-12deg);text-align:center;padding:22px 12px;font-family:'Noto Sans JP',sans-serif}.mini-card span{display:block;font-size:59px;line-height:1.3;margin-bottom:13px}.mini-card small{color:var(--muted);font-size:10px}.mini-card:last-child{transform:rotate(10deg);margin-left:-25px;margin-top:33px;background:var(--green);color:var(--lime)}.mini-card:last-child small{color:#bed1ad}
.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;border:1px solid var(--line);padding:12px 18px;border-radius:7px;background:var(--white);font-size:12px;font-weight:500;min-height:43px}.button:hover{background:#e9eddc}.button.primary{background:var(--green);color:#f0f5e7;border-color:var(--green)}.button.primary:hover{background:#35513b}.button.lime{background:var(--lime);border-color:var(--lime)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:36px}.stat{background:var(--white);border:1px solid var(--line);border-radius:9px;padding:20px 23px;display:flex;align-items:center;gap:15px}.stat strong{font-size:29px;font-weight:500;letter-spacing:-1px}.stat span{font-size:11px;color:var(--muted);line-height:1.6}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:17px}.section-heading h2{margin:0;font-size:20px}.section-heading>span{font-size:11px;color:var(--muted)}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tool-card{padding:23px;background:var(--white);border:1px solid var(--line);border-radius:9px;transition:transform .18s,border-color .18s}.tool-card:hover{transform:translateY(-3px);border-color:#9eaf88}.tool-icon{display:grid;place-items:center;width:42px;height:42px;background:#edf0e2;border-radius:9px;margin-bottom:24px;font-size:23px}.tool-card:nth-child(2) .tool-icon{background:#f4e8d8;color:#a67740}.tool-card:nth-child(3) .tool-icon{background:#e5ece8;color:#5a7b68}.tool-card h3{margin-bottom:10px}.tool-card p{font-size:12px;color:var(--muted);min-height:39px}.card-link{display:flex;justify-content:space-between;font-size:11px;margin-top:24px}.daily-note{display:flex;gap:20px;align-items:center;border-top:1px solid var(--line);margin-top:29px;padding-top:23px;font-size:12px}.daily-note>span{font-size:24px;color:#788469}.daily-note p{margin:0;color:var(--muted)}footer{padding:0 46px 23px;color:#737c6c;font-size:10px;display:flex;justify-content:space-between;gap:10px}
.panel{border:1px solid var(--line);border-radius:12px;background:var(--white);padding:27px}.toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:24px}.toolbar label{margin:0}.toolbar input{flex:1;min-width:160px}.toolbar select{width:auto}.study-card{max-width:690px;margin:0 auto;text-align:center;min-height:380px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px}.glyph{font-family:'Noto Sans JP',sans-serif;font-size:clamp(42px,7vw,76px);line-height:1.7;overflow-wrap:anywhere;max-width:100%;margin:12px 0 16px}.kana-glyph{font-size:96px}.answer{margin-bottom:22px;max-width:100%}.answer .reading{font-size:20px;color:#6e8156;margin-bottom:8px}.answer p{margin-bottom:8px}.example{color:var(--muted);font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}.review-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.review-actions .button{min-width:117px;flex-direction:column;gap:5px}.review-actions small{font-size:10px;opacity:.7}.session-top{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);max-width:690px;margin:0 auto 14px}.progress-track{width:100%;height:4px;background:#e8ecdf;border-radius:10px;margin-bottom:27px;overflow:hidden}.progress-track span{display:block;height:100%;background:#8ea362}.hint{text-align:center;font-size:11px;color:var(--muted);margin:19px 0}.segmented{display:flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:8px;flex-wrap:wrap}.segmented button{border:0;background:transparent;padding:8px 14px;border-radius:5px;font-size:12px}.segmented button.active{background:var(--green);color:white}.kana-form{width:min(100%,320px);display:flex;gap:8px;margin-top:12px}.kana-form input{text-align:center;min-width:0}.feedback{min-height:24px;font-size:14px;margin:18px 0 0}.feedback.good{color:#3f713d}.feedback.bad{color:#a35333}
.word-list{display:grid;gap:0}.word-row{display:grid;grid-template-columns:1fr 1.4fr auto;gap:20px;align-items:center;padding:19px 6px;border-bottom:1px solid var(--line)}.word-row:first-child{padding-top:5px}.word-row:last-child{border-bottom:0}.word-row strong{font:500 21px 'Noto Sans JP',sans-serif;overflow-wrap:anywhere}.word-row small{display:block;font-size:12px;color:var(--muted);margin-top:6px;overflow-wrap:anywhere}.word-row p{margin:0;font-size:13px;overflow-wrap:anywhere}.row-actions{display:flex;align-items:center;gap:9px}.badge{font-size:9px;border-radius:4px;padding:5px 7px;background:#edf0e2;white-space:nowrap}.icon-button{border:1px solid var(--line);border-radius:6px;background:transparent;font-size:18px;width:34px;height:34px;flex-shrink:0}.icon-button:hover{background:#e8eddc}.empty{text-align:center;padding:50px 22px}.empty h2{font-size:25px}.empty p{color:var(--muted);font-size:14px}.empty .button{margin:5px}label{display:block;font-size:12px;margin:19px 0 9px}label>span{font-size:10px;margin-left:6px}input,textarea,select{display:block;width:100%;border:1px solid #d4dacb;border-radius:6px;background:#fafbf5;padding:11px 12px;margin-top:7px}textarea{resize:vertical;line-height:1.8}.toolbar input,.toolbar select{margin-top:0}dialog{width:min(490px,calc(100% - 32px));border:1px solid var(--line);border-radius:14px;padding:28px;background:var(--white);color:var(--ink);max-height:90vh;overflow:auto}dialog::backdrop{background:#12221880;backdrop-filter:blur(4px)}dialog p{font-size:13px}dialog .button{margin-top:15px}dialog .section-heading{margin-bottom:15px}
.reader-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:20px}.reader-layout textarea{min-height:240px;font-family:'Noto Sans JP',sans-serif;font-size:19px}.reader-preview{font-family:'Noto Sans JP',sans-serif;font-size:23px;line-height:2.2;white-space:pre-wrap;overflow-wrap:anywhere;padding:17px 0;min-height:140px}.reader-preview button{font:inherit;border:0;background:#e5ebd5;padding:0 3px;border-radius:4px;border-bottom:1px solid #a1af87}.lookup-result{border-top:1px solid var(--line);padding-top:18px;font-size:14px}.lookup-result p{white-space:pre-wrap;overflow-wrap:anywhere}.reader-controls{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.resource-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.resource-grid .tool-card p{min-height:0}.skip-link{position:fixed;top:-80px;left:15px;z-index:20;background:var(--lime);padding:12px}.skip-link:focus{top:12px}#toast{position:fixed;bottom:24px;left:calc(50% + 124px);transform:translateX(-50%);background:var(--green);color:white;border-radius:8px;padding:13px 22px;font-size:13px;z-index:30;box-shadow:0 5px 25px #0002;max-width:85vw;display:none}#toast.visible{display:block}.goal-controls{display:flex;align-items:center;gap:9px;font-size:11px;color:var(--muted)}.goal-controls select{width:auto;margin:0;padding:6px}.chart{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.chart button{border:1px solid var(--line);border-radius:5px;background:var(--white);padding:12px 4px;font-family:'Noto Sans JP',sans-serif;font-size:22px}.chart small{display:block;font:11px 'DM Sans',sans-serif;color:var(--muted);margin-top:4px}details{margin-top:25px}summary{cursor:pointer;font-size:12px;color:var(--muted);padding:10px 0}.chart-wrap{max-width:690px;margin:auto}#storage-warning{padding:12px;background:#fff0d5;color:#7c4528;font-size:13px}.speaking-prompt{font-size:24px;max-width:560px;line-height:1.6;margin:20px 0}.steps{font-size:12px;color:var(--muted);line-height:1.9}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
@media(min-width:1500px){main{padding-top:55px}.hero{min-height:300px}.hero-copy{padding:40px}.tool-card{padding:29px}}
@media(max-width:1100px){.sidebar{width:215px;padding-left:17px;padding-right:17px}.workspace{margin-left:215px}main{padding:32px 25px}.topbar{margin:0 25px}.hero-copy{padding:28px}.tool-card{padding:18px}.stat{padding:17px}.reader-layout{grid-template-columns:1fr}#toast{left:calc(50% + 107px)}}
@media(max-width:760px){.sidebar{position:static;width:100%;padding:20px 20px 12px}.brand{font-size:21px}.brand-mark{height:37px;width:34px;font-size:22px}.brand small{font-size:7px}.nav-label,.sidebar-bottom{display:none}nav{display:flex;overflow:auto;margin-top:21px;gap:5px}nav a{white-space:nowrap;font-size:11px;padding:10px 11px;gap:7px}nav a>span{font-size:16px;width:auto}nav small{display:none}.workspace{margin-left:0}.topbar{height:59px;margin:0 20px;font-size:10px}.quiet{font-size:10px}main{padding:28px 20px}.page-head{align-items:flex-start;gap:12px}.page-head .tag{display:none}h1{font-size:34px}.hero{grid-template-columns:1.3fr .7fr;min-height:248px}.hero-copy{padding:25px}.hero h2{font-size:28px}.hero-art{transform:scale(.72);transform-origin:center}.stats{gap:8px;margin-bottom:29px}.stat{padding:14px 12px;display:block}.stat strong{display:block;font-size:26px}.stat span{font-size:10px}.tool-grid{grid-template-columns:1fr}.tool-card{position:relative;padding:22px 22px 22px 85px}.tool-icon{position:absolute;left:22px;top:22px}.tool-card p{min-height:0;margin-bottom:10px}.card-link{margin-top:15px}.resource-grid{grid-template-columns:1fr}.resource-grid .tool-card{padding:23px}.goal-controls{flex-wrap:wrap;justify-content:flex-end}.section-heading>span{display:none}.word-row{grid-template-columns:1fr 1fr;gap:12px}.row-actions{grid-column:1/-1;justify-content:flex-end}.panel{padding:20px}.study-card{min-height:360px}.session-top{font-size:11px}footer{padding:0 20px 24px}#toast{left:50%;width:max-content}.daily-note{align-items:flex-start}}
@media(max-width:420px){.hero{grid-template-columns:1fr}.hero-art{display:none}.page-head .button{padding:10px;font-size:11px}.review-actions{gap:6px}.review-actions .button{min-width:88px;padding:12px}.page-head h1{font-size:30px}}
#main:focus{outline:none}.dictionary-entry{padding:16px 0;border-bottom:1px solid var(--line)}.dictionary-entry h3{margin-bottom:8px}.dictionary-entry small{font-size:12px;color:var(--muted)}.dictionary-entry p{margin-bottom:10px}
@media(max-width:760px){nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:visible}nav a{font-size:10px;padding:10px 7px;gap:5px}.goal-controls{margin-top:0;margin-bottom:0}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}