:root{--paper:#f4f0e7;--ink:#242824;--muted:#70756b;--line:#d9d8cb;--red:#bd4d36;--jade:#35594e;--lime:#d8e6b5;--white:#fffcf5;--serif:Georgia,'Yu Mincho','Hiragino Mincho ProN',serif;--sans:-apple-system,BlinkMacSystemFont,'Segoe UI','Hiragino Kaku Gothic ProN',Meiryo,sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.65;font-size:15px}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}button,a,input,select,textarea{outline-offset:5px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--red)}button{color:var(--ink)}[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.2;font-weight:550}h1{font-family:var(--serif);font-size:clamp(34px,4vw,54px);letter-spacing:-1.8px;margin-bottom:16px}h2{font-size:24px;letter-spacing:-.65px}h3{font-size:20px;margin-bottom:12px}p{margin-bottom:14px}small,.small{font-size:12px}.muted{color:var(--muted)}.eyebrow{font-size:10px;font-weight:750;letter-spacing:2px;color:var(--red);text-transform:uppercase;margin-bottom:14px}.sidebar{width:238px;position:fixed;inset:0 auto 0 0;padding:34px 24px 20px;border-right:1px solid var(--line);display:flex;flex-direction:column;background:var(--paper);z-index:20}.brand{display:flex;align-items:center;gap:12px;font-size:16px;line-height:1.25;letter-spacing:1px}.brand b{display:block;letter-spacing:3px;font-weight:800}.brand small{display:block;font-size:7px;letter-spacing:1.2px;margin-top:9px;color:var(--muted)}.brand-symbol{font-family:var(--serif);font-size:35px;background:var(--ink);color:var(--paper);width:51px;height:57px;display:grid;place-items:center;border-radius:2px;transform:rotate(-3deg)}.nav-label{margin:43px 12px 14px;font-size:9px;color:var(--muted);letter-spacing:1.5px}#nav{display:grid;gap:3px}#nav a{font-size:12px;display:flex;gap:12px;align-items:center;padding:10px 13px;border-radius:4px;color:#656b61}#nav a .navicon{font-size:17px;width:22px;text-align:center}#nav a.active{background:var(--ink);color:var(--white)}#nav a:hover:not(.active){background:#e9e8db}.side-foot{margin-top:auto;padding:24px 12px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:40px 1fr;gap:9px}.seal{border:1.5px solid var(--red);color:var(--red);writing-mode:vertical-rl;font-family:var(--serif);padding:6px;font-size:18px;width:33px;height:61px;transform:rotate(-5deg)}.side-foot p{font-size:11px;color:var(--muted)}.side-foot a{grid-column:1/-1;font-size:10px}.shell{margin-left:238px;min-width:0}.topbar{height:84px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 44px;gap:12px}.desktop-strap{font-size:12px;letter-spacing:2px}.desktop-strap small{display:block;font-size:9px;letter-spacing:.4px;color:var(--muted);margin-top:3px}.topbar>div{display:flex;align-items:center;gap:18px}.level-badge{font-size:9px;letter-spacing:1.3px;border:1px solid var(--line);border-radius:30px;padding:7px 12px}.avatar{background:#dddccf;border-radius:50%;width:32px;height:32px;display:grid;place-items:center;font-size:12px}.mobile-logo,.mobile-nav{display:none}main{max-width:1440px;margin:auto;padding:40px 44px 50px;min-height:calc(100vh - 165px)}footer{border-top:1px solid var(--line);padding:22px 44px;font-size:10px;color:var(--muted);display:flex;justify-content:space-between;gap:15px}.welcome-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.welcome-row h1{font-family:var(--sans);font-size:25px;letter-spacing:-.7px;margin:0}.welcome-row p{font-size:12px;margin:4px 0 0}.date-chip{font-size:10px;text-align:right;color:var(--muted)}.hero{display:grid;grid-template-columns:1.05fr 1fr;position:relative;background:var(--white);border:1px solid var(--ink);border-radius:5px;overflow:hidden;min-height:352px}.hero-copy{padding:35px 36px;z-index:2}.hero h1{font-size:clamp(37px,4vw,60px);max-width:480px;margin-bottom:16px}.hero-copy p{font-size:12px;max-width:350px;color:#656b61}.hero-art{position:relative;min-width:0}.hero-art img{width:100%;height:100%;position:absolute;object-fit:cover;object-position:65% center}.hero-art:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--white),transparent 24%)}.art-caption{position:absolute;right:17px;bottom:13px;font-size:8px;letter-spacing:1px;background:var(--white);padding:4px 8px;z-index:3}.hero-stamp{position:absolute;right:20px;top:22px;z-index:4;background:var(--red);color:var(--white);width:55px;min-height:82px;padding:7px;font-family:var(--serif);font-size:26px;line-height:1.25;text-align:center;transform:rotate(5deg)}.hero-stamp small{display:block;font:7px var(--sans);letter-spacing:1px;margin-top:6px}.hero-meta{display:flex;gap:14px;margin:20px 0;font-size:8px;letter-spacing:1.2px;font-weight:700}.btn{border:1px solid var(--ink);background:var(--ink);color:var(--white);padding:12px 19px;border-radius:3px;display:inline-flex;justify-content:center;align-items:center;gap:16px;font-size:11px;font-weight:650;line-height:1.4;text-align:center}.btn:hover{background:#3c443c}.btn.red{background:var(--red);border-color:var(--red)}.btn.ghost{background:transparent;color:var(--ink)}.btn.ghost:hover{background:#e7e7d9}.btn.jade{background:var(--jade);border-color:var(--jade)}.btn.small{font-size:10px;padding:8px 12px}.btn.wide{width:100%}.btn:disabled:hover{background:var(--ink)}.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:20px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:34px 0 18px}.section-heading h2{margin:0;font-size:22px}.section-heading a{font-size:10px;color:var(--muted)}.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card{border:1px solid var(--line);border-radius:4px;background:var(--white);padding:25px;min-width:0}.card p{font-size:12px;color:#656b61}.card .eyebrow{margin-bottom:11px}.card .link{display:block;margin-top:18px;font-size:11px;font-weight:600}.stat{display:flex;flex-direction:column;justify-content:center;min-height:104px;padding:20px 23px;background:transparent;border:1px solid var(--line);border-radius:4px}.stat strong{font-family:var(--serif);font-size:29px;font-weight:500;line-height:1.2}.stat span{font-size:10px;color:var(--muted);margin-top:7px}.section-number{font-family:var(--serif);font-size:29px;font-style:italic;color:var(--red);display:block;margin-bottom:16px}.split{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(240px,1fr);gap:24px;margin-top:26px}.plan-card{background:var(--white);border:1px solid var(--line);border-radius:4px;padding:25px}.plan-title{display:flex;justify-content:space-between;align-items:center}.plan-title h2{font-size:21px}.time-pill{font-size:9px;background:var(--lime);padding:5px 9px;border-radius:20px}.plan-item{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}.plan-item:last-child{border:0}.plan-item .num{font-size:10px;color:var(--muted);border:1px solid var(--line);width:26px;height:26px;display:grid;place-items:center;border-radius:50%}.plan-item .num.done{background:var(--jade);color:white;border:0}.plan-item .text{flex:1}.plan-item b{font-size:12px;font-weight:600}.plan-item small{display:block;font-size:10px;color:var(--muted)}.plan-item a{font-size:17px}.quote-card{background:var(--jade);color:var(--white);display:flex;flex-direction:column;justify-content:center;padding:27px;position:relative;overflow:hidden}.quote-card:after{content:'道';position:absolute;right:-12px;bottom:-70px;font-size:220px;font-family:var(--serif);opacity:.06}.quote-card .eyebrow{color:var(--lime)}.quote-card .japanese{font-family:var(--serif);font-size:26px;line-height:1.65}.quote-card p{color:#c4d1c6;font-size:12px}.quote-card small{font-size:9px;color:#c4d1c6}.chapter-banner{position:relative;height:155px;border-radius:4px;overflow:hidden;margin-bottom:28px;background:var(--ink);color:var(--white);padding:30px}.chapter-banner img{position:absolute;right:0;top:0;width:70%;height:100%;object-fit:cover;opacity:.45;mask-image:linear-gradient(90deg,transparent,#000 60%)}.chapter-banner h2,.chapter-banner p{position:relative;max-width:360px}.chapter-banner h2{font-family:var(--serif);font-size:30px}.chapter-banner p{font-size:11px}.page-head{margin-bottom:28px;max-width:800px}.page-head p{color:var(--muted);font-size:13px;max-width:660px}.page-head h1{font-size:43px}.pill{border:1px solid var(--line);background:transparent;border-radius:25px;padding:7px 12px;font-size:10px;display:inline-block}.pill.active{background:var(--ink);color:var(--white);border-color:var(--ink)}.tabs{display:flex;gap:7px;flex-wrap:wrap;margin:20px 0}.chapter-list{display:grid;gap:9px}.lesson-row{display:grid;grid-template-columns:39px 1fr 70px;align-items:center;padding:17px 19px;border:1px solid var(--line);background:var(--white);border-radius:4px;gap:15px}.lesson-row:hover{border-color:var(--ink)}.lesson-row .number{font:italic 24px var(--serif);color:var(--red)}.lesson-row h3{font-size:14px;margin:0 0 5px}.lesson-row p{font-size:11px;margin:0;color:var(--muted)}.lesson-row>small{text-align:right;color:var(--muted);font-size:9px}.chapter-label{margin:30px 0 14px;font-size:12px;display:flex;gap:13px;align-items:center}.chapter-label b{font-weight:600}.chapter-label:after{content:'';height:1px;background:var(--line);flex:1}.jp{font-family:var(--serif);line-height:1.9;letter-spacing:1px}.example{padding:23px;background:#edeee2;border-left:3px solid var(--jade);margin:24px 0}.example .jp{font-size:25px}.kana-reading{font-size:13px;color:var(--muted);line-height:1.9;margin:8px 0}.roman{font-size:11px;color:var(--muted);font-style:italic;overflow-wrap:anywhere}.rule{font-size:23px;font-family:var(--serif);padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:18px}.prose{font-size:14px;line-height:1.95;max-width:830px}.notice{font-size:12px;padding:17px 21px;border:1px solid var(--line);background:#e9eddf;border-radius:3px;margin:20px 0;line-height:1.8}.notice.danger{background:#f4e5de;color:#833921}.notice.success{background:#e4ecdc;color:var(--jade)}.notice small{display:block}.answer-options{display:grid;gap:9px;margin:22px 0}.answer{border:1px solid var(--line);background:var(--white);padding:15px 17px;text-align:left;border-radius:3px;font-size:14px;min-height:53px}.answer:hover{border-color:var(--ink)}.answer.selected{border:2px solid var(--jade);padding:14px 16px;background:#e7eddf}.answer.right{border-color:var(--jade);background:#e4eddb}.answer.wrong{border-color:var(--red);background:#f2e0d8}.answer span{font-size:10px;color:var(--muted);margin-right:15px}.question-card{max-width:800px;margin:20px auto}.question-card h2{font-size:23px;line-height:1.7}.progress-label{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-bottom:8px}progress{appearance:none;width:100%;height:5px;border:0;background:#dfdfd2;border-radius:20px;overflow:hidden}progress::-webkit-progress-bar{background:#dfdfd2}progress::-webkit-progress-value{background:var(--jade)}progress::-moz-progress-bar{background:var(--jade)}.controls{display:flex;gap:12px;flex-wrap:wrap;align-items:end;margin-bottom:22px}input,select,textarea{border:1px solid var(--line);background:var(--white);border-radius:3px;padding:11px 13px;color:var(--ink);max-width:100%;font-size:13px}input[type=search]{flex:1;min-width:190px}label{font-size:11px;display:grid;gap:7px}textarea{width:100%;resize:vertical;min-height:100px}.kana-grid{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:7px}.kana-tile{background:var(--white);border:1px solid var(--line);border-radius:3px;min-height:80px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px 3px}.kana-tile b{font-family:var(--serif);font-size:25px;font-weight:500;line-height:1.5}.kana-tile small{font-size:9px;color:var(--muted)}.kana-tile.learned{border-bottom:3px solid var(--jade)}.kanji-grid{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:9px}.kanji-grid .kana-tile{min-height:102px}.kanji-grid .kana-tile b{font-size:32px}.kanji-grid .kana-tile small{font-size:9px;max-width:100%;text-align:center;overflow-wrap:anywhere}.dictionary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.word-card{border:1px solid var(--line);background:var(--white);padding:16px;border-radius:3px;text-align:left}.word-card b{font-size:19px;font-family:var(--serif);font-weight:500}.word-card small{display:block;color:var(--muted);font-size:10px;margin:3px 0}.word-card p{font-size:11px;margin:5px 0 0}.big-glyph{font:110px var(--serif);text-align:center;line-height:1.7}.flashcard{text-align:center;max-width:620px;margin:25px auto}.flashcard .meaning{font-size:23px;font-family:var(--serif);margin:18px 0}.flashcard .front-word{font:clamp(37px,6vw,67px) var(--serif);padding:40px 10px;overflow-wrap:anywhere}.rating-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:28px}.rating-row button{padding:12px 5px;border:1px solid var(--line);background:var(--white);border-radius:3px;font-size:11px}.rating-row button small{display:block;font-size:9px;color:var(--muted);margin-top:4px}.rating-row button:first-child{border-color:var(--red);color:var(--red)}.rating-row button:last-child{border-color:var(--jade);color:var(--jade)}.detail-grid{display:grid;grid-template-columns:170px 1fr;gap:25px;align-items:center}.detail-grid .big-glyph{font-size:100px}canvas{width:100%;max-width:340px;aspect-ratio:1;background:var(--white);border:1px solid var(--line);border-radius:3px;touch-action:none;display:block;margin:20px auto}.draw-tools{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.draw-caption{text-align:center;font-size:10px;color:var(--muted)}.reading-text{font-family:var(--serif);font-size:23px;line-height:2.35;letter-spacing:1.3px;white-space:pre-wrap;margin:22px 0}.reading-text .reading-word{border-bottom:1px dotted var(--muted)}details{border-bottom:1px solid var(--line);padding:12px 0;font-size:13px}summary{cursor:pointer;color:var(--jade);font-size:11px}.dialogue-list{display:grid;gap:14px;max-width:820px;margin:auto}.bubble{max-width:85%;padding:18px 22px;border-radius:4px;background:var(--white);border:1px solid var(--line);position:relative}.bubble.me{align-self:flex-end;margin-left:auto;background:#e2e9d6;border-color:#cad5bc}.bubble .speaker{font-size:9px;color:var(--red);text-transform:uppercase;letter-spacing:1.3px}.bubble .jp{font-size:20px;margin:7px 0}.bubble small{font-size:11px;color:var(--muted)}.response-box{max-width:820px;margin:25px auto 0;border-top:1px solid var(--line);padding-top:24px}.response-box input{width:100%}.transcript{white-space:pre-wrap;font-size:17px;line-height:1.95}.audio-player{padding:25px;text-align:center;background:#e7ebdd;border:1px solid #d1dac5;border-radius:3px;margin:22px 0}.audio-player .audio-symbol{font-size:32px;color:var(--jade);display:block;margin-bottom:12px}.audio-player p{font-size:11px;margin:12px 0}.recorder{margin-top:25px;padding:20px;border:1px dashed var(--line);border-radius:4px}.recorder p{font-size:11px}audio{max-width:100%;margin-top:12px}.recording{color:var(--red);font-weight:700}.result-number{font:65px var(--serif);line-height:1.1;margin:20px 0;color:var(--jade)}.result-number small{font:20px var(--sans);color:var(--muted)}.stat-table{width:100%;border-collapse:collapse;font-size:12px}.stat-table td,.stat-table th{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);font-weight:400}.stat-table th{font-size:10px;color:var(--muted)}.table-wrap{overflow:auto}.roadmap{display:grid;gap:14px}.roadmap-card{display:grid;grid-template-columns:70px 1fr;gap:24px;padding:25px;border:1px solid var(--line);border-radius:4px;background:var(--white)}.roadmap-card.active{border-color:var(--jade)}.roadmap-card .level{font:36px var(--serif);color:var(--red)}.roadmap-card h2{font-size:21px}.roadmap-card p{font-size:12px;color:var(--muted)}.journal-entry{padding:20px 0;border-bottom:1px solid var(--line);white-space:pre-wrap;overflow-wrap:anywhere}.journal-entry small{display:block;color:var(--muted);font-size:10px}.settings-grid{display:grid;gap:20px;max-width:630px}.settings-grid label{font-size:12px}.checkbox-label{display:flex;align-items:center;gap:10px}input[type=checkbox]{accent-color:var(--jade);width:18px;height:18px}.empty{text-align:center;padding:45px 25px}.empty .jp{font-size:45px;margin-bottom:20px}dialog{border:1px solid var(--ink);border-radius:6px;background:var(--paper);max-width:650px;width:calc(100% - 32px);max-height:90vh;overflow:auto;padding:30px;color:var(--ink)}dialog::backdrop{background:#1a251b88;backdrop-filter:blur(3px)}.close{margin-top:24px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:13px 22px;color:var(--white);background:var(--ink);border-radius:4px;font-size:12px;z-index:100;max-width:90vw;box-shadow:0 5px 25px #0002}.skip-link{position:fixed;left:10px;top:-100px;z-index:100;background:var(--white);padding:12px}.skip-link:focus{top:10px}.timer{font-variant-numeric:tabular-nums;font-size:20px;color:var(--jade)}.timer-panel{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:15px 20px;border:1px solid var(--line);border-radius:3px;margin-bottom:22px}.chip{font-size:9px;color:var(--jade);background:#e5eadb;border-radius:15px;padding:4px 9px}.journal-tags{display:flex;flex-wrap:wrap;gap:6px}.back{font-size:11px;color:var(--muted);display:inline-block;margin-bottom:22px}.lesson-content>.eyebrow{margin-top:20px}.source-list{font-size:12px;line-height:2.1;padding-left:20px}.source-list a{text-decoration:underline;text-underline-offset:3px}.search-count{font-size:10px;color:var(--muted);margin-bottom:12px}.mastered-dot{width:6px;height:6px;background:var(--jade);border-radius:50%;display:inline-block;margin-left:5px}.chapter-done{color:var(--jade)}.mini-links{display:flex;gap:15px;margin:18px 0;flex-wrap:wrap;font-size:11px}.mini-links a{border-bottom:1px solid var(--line)}.note-chip{display:inline-block;font-size:9px;border:1px solid var(--line);padding:3px 6px;margin-bottom:13px;color:var(--muted)}.filter-empty{font-size:13px;color:var(--muted);padding:20px}
@media(min-height:850px){#nav a{padding-top:12px;padding-bottom:12px}}@media(max-width:1200px){.sidebar{width:215px;padding:28px 18px}.shell{margin-left:215px}.topbar{padding:0 28px}main{padding:30px 28px}.hero-copy{padding:28px}.hero h1{font-size:44px}.hero{min-height:330px}.kanji-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.kana-grid{grid-template-columns:repeat(8,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.dictionary{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){.sidebar{width:190px;padding:28px 12px}.shell{margin-left:190px}.brand{gap:8px;font-size:13px}.brand-symbol{width:42px;height:48px;font-size:30px}.brand small{font-size:6px}.nav-label{font-size:8px}#nav a{font-size:11px;padding:9px}.topbar{height:70px;padding:0 22px}main{padding:28px 22px}.hero-copy{padding:25px}.hero h1{font-size:39px}.hero-copy p{font-size:11px}.hero{grid-template-columns:1.1fr 1fr}.hero-meta{gap:8px;font-size:7px}.split{grid-template-columns:1fr}.quote-card{min-height:200px}.grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.kana-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.kanji-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.desktop-strap{font-size:9px}.level-badge{font-size:8px}.side-foot{padding:20px 7px 0}footer{padding:20px 22px}}@media(max-width:680px){.sidebar{display:none}.shell{margin:0}.topbar{height:65px;padding:0 20px}.desktop-strap{display:none}.mobile-logo{display:block;font-size:11px;letter-spacing:1px}.mobile-logo:first-letter{font-size:25px}.topbar>div{gap:8px}.level-badge{font-size:7px;padding:5px 8px}.avatar{width:27px;height:27px}.mobile-nav{position:fixed;display:flex;bottom:0;left:0;right:0;z-index:30;background:var(--paper);border-top:1px solid var(--line);padding:9px 7px max(9px,env(safe-area-inset-bottom));justify-content:space-around}.mobile-nav a{font-size:20px;display:flex;align-items:center;flex-direction:column;line-height:1.25;color:var(--muted);min-width:47px}.mobile-nav a span{font-size:8px;margin-top:4px}.mobile-nav a.active{color:var(--red)}main{padding:25px 20px 30px;min-height:calc(100vh - 180px)}.welcome-row{margin-bottom:20px}.welcome-row h1{font-size:22px}.welcome-row p{font-size:10px}.date-chip{font-size:9px}.hero{grid-template-columns:1fr;min-height:0;display:flex;flex-direction:column-reverse}.hero-art{height:190px}.hero-art:after{background:linear-gradient(0deg,var(--white),transparent 30%)}.hero-art img{object-position:center 40%}.hero-copy{padding:17px 23px 25px}.hero h1{font-size:39px;max-width:340px;letter-spacing:-1.5px}.hero-copy p{font-size:12px;max-width:400px}.hero .eyebrow{font-size:9px;margin-bottom:12px}.hero-meta{font-size:8px;margin:17px 0}.hero-stamp{right:16px;top:15px;width:44px;min-height:66px;font-size:21px}.hero-stamp small{font-size:6px}.art-caption{font-size:6px;bottom:14px}.section-heading{margin-top:27px;gap:8px}.section-heading h2{font-size:20px}.section-heading a{font-size:9px}.grid{gap:12px}.grid.two{grid-template-columns:1fr}.grid.three{grid-template-columns:1fr}.grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.stat{padding:15px 17px;min-height:91px}.stat strong{font-size:26px}.stat span{font-size:9px}.card{padding:21px}.page-head h1{font-size:35px;letter-spacing:-1px}.page-head p{font-size:12px}.chapter-banner{height:150px;padding:25px}.chapter-banner h2{font-size:27px}.chapter-banner img{width:100%}.kana-grid{gap:6px;grid-template-columns:repeat(5,minmax(0,1fr))}.kana-tile{min-height:72px}.kana-tile b{font-size:25px}.kanji-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.dictionary{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.word-card{padding:13px 11px}.word-card b{font-size:18px}.word-card p{font-size:10px}.controls{gap:8px}.controls input[type=search]{flex-basis:100%}.lesson-row{padding:14px;gap:10px;grid-template-columns:28px 1fr 47px}.lesson-row h3{font-size:12px}.lesson-row p{font-size:10px}.lesson-row .number{font-size:23px}.lesson-row>small{font-size:8px}.example .jp{font-size:22px}.reading-text{font-size:21px;line-height:2.2}.prose{font-size:13px}.rule{font-size:20px}.detail-grid{grid-template-columns:100px 1fr;gap:14px}.detail-grid .big-glyph{font-size:78px}.detail-grid h2{font-size:21px}.rating-row{gap:5px}.rating-row button{font-size:10px}.rating-row button small{font-size:8px}.bubble{max-width:95%;padding:15px 18px}.bubble .jp{font-size:18px}.answer{font-size:13px}.question-card h2{font-size:21px}.roadmap-card{grid-template-columns:44px 1fr;gap:16px;padding:20px}.roadmap-card .level{font-size:29px}.roadmap-card h2{font-size:19px}.roadmap-card p{font-size:11px}footer{padding:20px 20px 95px;font-size:8px;align-items:start}#toast{bottom:85px;width:max-content;max-width:90vw;font-size:11px}dialog{padding:23px}.timer-panel{padding:12px 14px}.timer-panel .btn{padding:8px 10px}.timer{font-size:17px}.flashcard .front-word{padding:30px 4px;font-size:42px}.note-chip{font-size:8px}}@media(prefers-reduced-motion:no-preference){.btn,.card,.kana-tile,.word-card,.answer{transition:background .14s,border-color .14s}.hero-copy{animation:appear .5s ease both}@keyframes appear{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}}

.sidebar{overflow-y:auto}.mobile-menu{display:none}.menu-links{display:grid;gap:4px}.menu-links a{padding:12px;border-bottom:1px solid var(--line);font-size:13px}@media(max-width:680px){.mobile-menu{display:block;border:0;background:transparent;padding:6px;font-size:20px}.topbar .level-badge{display:none}}

.stroke-images{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;background:var(--white);padding:16px;margin:10px 0}.stroke-images img{width:140px;height:140px}.stroke-reference summary{font-size:12px}#stroke-demo svg{display:block;width:180px;height:180px;margin:20px auto;background:var(--white);border:1px solid var(--line)}#stroke-demo p{text-align:center;font-size:11px}

.iphone-widget{padding:24px;background:#efeddf;border:1px solid #cbcdbd;border-radius:22px;max-width:430px;min-height:230px;box-shadow:0 5px 15px #24282408}.widget-top{display:flex;justify-content:space-between;gap:10px;font-size:8px;letter-spacing:1px;border-bottom:1px solid #d3d5c4;padding-bottom:12px;margin-bottom:16px;color:var(--jade)}.widget-es{font-size:19px;font-weight:600;margin:10px 0}.widget-jp{font-family:var(--serif);font-size:27px;line-height:1.65;margin:13px 0 4px}.widget-kana{font-size:12px;color:var(--muted);line-height:1.9}.widget-tap{font-size:9px;color:var(--jade);display:block;margin-top:15px}.widget-settings{margin:22px 0}.widget-settings form{display:grid;gap:18px;max-width:620px}.widget-steps{font-size:13px;padding-left:22px;line-height:1.9}.widget-steps li{margin:12px 0}.widget-steps a{text-decoration:underline}.pair-code{font-size:31px;letter-spacing:5px;font-weight:650;color:var(--jade);margin:15px 0;font-variant-numeric:tabular-nums}#widget-code{height:200px;font-family:monospace;font-size:11px}@media(max-width:680px){.iphone-widget{padding:20px}.widget-jp{font-size:24px}.widget-es{font-size:17px}.widget-top{font-size:7px}.pair-code{font-size:25px;letter-spacing:3px}}

/* Estampas de estudio y orientación del recorrido. */
.orientation{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:11px;color:var(--muted);margin:-10px 0 26px}.orientation strong{font-weight:600;color:var(--ink)}.orientation .session-return{margin-left:auto;color:var(--jade);font-weight:650}
.next-guide{display:flex;gap:24px;align-items:center;justify-content:space-between;border:1px solid #9caf9d;border-left:5px solid var(--jade);background:#e8eee2;border-radius:5px;padding:23px 25px;margin:0 0 26px;min-width:0}.next-guide .eyebrow{color:var(--jade);margin:0 0 8px;font-size:9px}.next-guide h2{font-size:23px;margin:0 0 8px;overflow-wrap:anywhere}.next-guide p{font-size:12px;margin:0 0 7px}.mission-count{font-size:10px;color:#53614f}.next-actions{display:grid;gap:9px;flex-shrink:0}.next-actions .btn{white-space:normal}.hero+.section-heading{margin-top:30px}.mission-progress{margin:0 0 25px}.mission-progress label{display:block;font-size:12px;margin-bottom:5px}.mission-progress a,.today-link{display:block;font-size:11px;color:var(--jade);font-weight:600;margin-top:10px}
.study-stamp{position:absolute;top:10px;right:11px;border:2px solid currentColor;outline:1px solid currentColor;outline-offset:2px;color:var(--jade);background:var(--white);display:flex;flex-direction:column;justify-content:center;align-items:center;min-width:69px;max-width:94px;padding:3px 5px;line-height:1.05;border-radius:3px;transform:rotate(-5deg);pointer-events:none;z-index:1}.study-stamp>span[lang]{font:20px var(--serif);letter-spacing:1px;line-height:1.1}.study-stamp .stamp-label{display:block;font:600 8px var(--sans);line-height:1.2;text-align:center;margin:3px 0 0;letter-spacing:0;color:inherit}.study-stamp.seen{color:#676b59}.study-stamp.complete{color:#ad412d}.study-stamp.reviewed{color:var(--jade)}.study-stamp.mini{top:5px;right:5px;min-width:23px;max-width:43px;padding:2px;outline-offset:1px;border-width:1px;transform:rotate(-5deg)}.study-stamp.mini>span[lang]{font-size:12px}.study-stamp.mini .stamp-label{font-size:6px;line-height:1.15;max-width:35px;margin-top:2px}.word-card,.kana-tile,.study-card,.study-row{position:relative}.word-card.has-stamp{padding-top:59px;border-color:#a7b4a2}.kana-tile.has-stamp{padding-top:36px;border-color:#a7b4a2;min-height:108px}.study-card.has-stamp{padding-top:65px}.study-card .study-stamp{top:15px;right:17px}.study-row{grid-template-columns:39px minmax(0,1fr) 95px}.study-row .study-stamp{position:static;justify-self:end;min-width:65px;margin:3px}.study-row.recommended{border:2px solid var(--jade);background:#f2f6eb}.study-row.recommended>small{font-weight:750;color:var(--jade)}.lesson-state{position:relative;min-height:65px;margin-top:-4px}.lesson-state .study-stamp{right:9px;top:0}.saved-panel{border-top:1px solid var(--line);padding-top:25px;margin-top:30px}.saved-panel h2{font-size:24px}.saved-panel .next-guide{margin:20px 0}.saved-panel .next-guide h2{font-size:20px}
.mission-row{grid-template-columns:31px minmax(0,1fr) 92px;min-height:100px}.mission-copy{min-width:0}.mission-row.block-next{border:2px solid var(--jade);background:#f1f5e9}.mission-row.block-done{background:#eef2e9;border-color:#b9c6b4}.mission-row.block-done .number{color:var(--jade)}.mission-row.block-clear{background:#f3f2eb}.mission-row-status{position:relative;min-height:55px;display:flex;align-items:center;justify-content:center;font-size:9px;color:var(--muted)}.mission-row-status .study-stamp{position:static;min-width:63px;max-width:82px}.mission-row-status .study-stamp>span[lang]{font-size:20px}.mission-row-status .clear-label{font-size:10px;text-align:center}.now-label{font-size:9px;font-weight:750;letter-spacing:1px;color:var(--jade);display:block;margin-top:8px}.plan-card .mission-row{padding:13px 10px;grid-template-columns:22px minmax(0,1fr) 77px;gap:10px}.plan-card .mission-row h3{font-size:12px}.plan-card .mission-row p{font-size:10px}.plan-card .number{font-size:20px}.stamp-legend{display:flex;gap:13px 25px;flex-wrap:wrap;margin:18px 0 25px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:10px;color:var(--muted)}.stamp-legend b{color:var(--jade);font-size:16px;margin-right:5px;font-weight:500}.today-total{font-size:12px;margin:15px 0}.activity-row{grid-template-columns:minmax(0,1fr) 105px;min-height:85px}.activity-row>div{min-width:0}.activity-row h3{overflow-wrap:anywhere}.activity-row .study-stamp{position:static;justify-self:end;min-width:68px}.activity-row+.next-guide{margin-top:25px}
@media(max-width:700px){.next-guide{padding:18px 17px;display:block}.next-guide h2{font-size:21px}.next-actions{margin-top:16px;grid-template-columns:1fr}.next-actions .btn{width:100%}.orientation{font-size:10px;gap:6px;margin-top:-5px;margin-bottom:22px}.orientation .session-return{font-size:10px}.mission-row,.study-row{grid-template-columns:25px minmax(0,1fr) 77px;padding:15px 12px;gap:10px}.mission-row h3,.study-row h3{font-size:13px}.mission-row p,.study-row p{font-size:10px}.study-row .study-stamp{min-width:60px;max-width:74px}.study-row .study-stamp>span[lang]{font-size:18px}.study-row .study-stamp .stamp-label{font-size:7px}.mission-row-status .study-stamp{min-width:57px}.plan-card .mission-row{grid-template-columns:20px minmax(0,1fr) 68px;padding:12px 8px;gap:8px}.stamp-legend{display:grid;gap:8px}.word-card.has-stamp{padding-top:56px}.word-card .study-stamp{right:9px;top:10px;min-width:57px}.word-card .study-stamp>span[lang]{font-size:16px}.word-card .study-stamp .stamp-label{font-size:7px}.kana-tile.has-stamp{min-height:108px;padding-top:38px}.activity-row{grid-template-columns:minmax(0,1fr) 86px}.activity-row .study-stamp .stamp-label{font-size:7px}.saved-panel .next-guide{padding:16px 12px}.lesson-state{min-height:62px}}

.sidebar #nav{overflow-y:auto;min-height:0;scrollbar-width:thin}.sidebar .nav-label{margin-top:25px}.sidebar .side-foot{flex-shrink:0}

.chapter-list+.next-guide{margin-top:24px}

.page-head.has-page-stamp{position:relative}.has-page-stamp .eyebrow{padding-right:105px;min-height:52px}.has-page-stamp>.study-stamp{top:1px;right:6px}

.widget-diagnostics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:18px 0 10px}.widget-diagnostics>div{border:1px solid var(--line);border-radius:4px;padding:12px 7px;text-align:center}.widget-diagnostics b{font-size:23px;display:block;color:var(--jade)}.widget-diagnostics span{font-size:10px;display:block;color:var(--muted)}

.widget-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:15px}.widget-controls .widget-tap{margin:0}.widget-audio-preview{font-size:12px;font-weight:600;white-space:nowrap;padding:8px 10px;border-radius:10px;background:#dde7dc;color:var(--jade)}

/* Identidad personal: chef de Christian y sol naciente. */
.brand-logo{object-fit:cover;transform:none;border-radius:12px;height:auto;aspect-ratio:1;flex-shrink:0}.mobile-brand-mark{display:block;width:34px;height:34px;border-radius:9px;object-fit:cover;flex-shrink:0}@media(max-width:680px){.mobile-logo{display:flex;align-items:center;gap:8px;letter-spacing:.6px;line-height:1.2}.mobile-logo:first-letter{font-size:inherit}}@media(max-width:360px){.level-badge{display:none}}

/* Nombre completo adaptado al espacio de cada cabecera. */
.brand .brand-name{min-width:0;font-size:14px;letter-spacing:.25px;line-height:1.25}.brand .brand-name b{font-size:11px;letter-spacing:.15px;line-height:1.35;margin-top:2px}.brand .brand-name small{font-size:6px;letter-spacing:.6px;margin-top:7px}
@media(max-width:980px){.brand .brand-name{font-size:12px}.brand .brand-name b{font-size:10px}}
@media(max-width:680px){.mobile-logo{min-width:0;flex:1;gap:7px}.mobile-brand-name{font-size:12px;font-weight:800;letter-spacing:0;line-height:1.25}.mobile-brand-name b{font-size:10px;letter-spacing:0;font-weight:600}.topbar>div{flex-shrink:0}.mobile-brand-mark{width:31px;height:31px}.level-badge{display:none}}

/* Marca japonesa: 日本の冒険. */
.brand .brand-name{font-size:20px;letter-spacing:.5px}.brand .brand-name b{font-size:10px;letter-spacing:.25px;font-weight:600}.brand .brand-name small{font-size:6px}
@media(max-width:680px){.mobile-brand-name{font-size:18px;line-height:1.15}.mobile-brand-name b{font-size:9px;font-weight:500}}