@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&family=Shippori+Mincho:wght@500;600;700&display=swap');
:root{--bg:#f6efe6;--surface:#fffaf2;--surface2:#efe3d3;--text:#2b1a20;--dim:#7a6670;--border:#e0cfc0;--accent:#a7821c;--soft:#f0e5c7;--gold:#a8832a;--pink:#c2435c}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:'Noto Sans JP',sans-serif;font-size:15px;line-height:1.85}button,input,select{font:inherit}button,a,label{ -webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #2e7d74;outline-offset:4px}button:disabled{cursor:default}button{border:0}h1,h2,h3,p{margin:0}h1,h2,h3,.serif{font-family:'Shippori Mincho','Yu Mincho',serif;line-height:1.55}h1{font-size:30px}h2{font-size:25px}h3{font-size:20px}p+p{margin-top:12px}img{display:block;max-width:100%}svg{width:22px;height:22px;flex-shrink:0}a{color:var(--accent)}.shell{max-width:1030px;margin:auto;padding:0 36px 125px}.topbar{height:102px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--border);margin-bottom:32px}.brand{background:none;text-align:left;padding:0}.brand small{font-size:10px;letter-spacing:3px;color:var(--gold);display:block;font-weight:700}.brand strong{font-family:'Shippori Mincho',serif;font-size:20px;letter-spacing:2px}.top-actions{display:flex;gap:8px}.iconbtn{display:flex;gap:7px;align-items:center;justify-content:center;border:1px solid var(--border);background:var(--surface);border-radius:50%;width:43px;height:43px}.eyebrow{font-size:11px;color:var(--accent);letter-spacing:2px;font-weight:700;text-transform:uppercase}.page-intro{display:flex;align-items:end;justify-content:space-between;margin-bottom:22px}.muted{color:var(--dim)}.small{font-size:12px}.tiny{font-size:11px}.section{margin-top:34px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.section-heading h2{font-size:24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:22px;overflow:hidden}.hero{display:grid;grid-template-columns:240px 1fr;min-height:345px}.hero-photo{width:100%;height:100%;object-fit:cover;object-position:center 12%}.hero-info{padding:27px 30px 23px;display:flex;flex-direction:column;justify-content:center}.hero h1{font-size:30px;margin:4px 0}.hero-meta{font-size:12px;color:var(--accent)}.hearts{display:flex;gap:4px;color:var(--pink);font-size:19px;line-height:1.6;letter-spacing:1px}.hearts .empty{color:var(--border)}.hero .hearts{margin:10px 0}.greeting{font-family:'Shippori Mincho',serif;font-size:18px;line-height:1.9;margin:5px 0 15px}.linkbtn{background:none;color:var(--accent);text-decoration:underline;text-underline-offset:4px;font-size:13px;padding:0;text-align:left}.progress-card{padding:17px 24px;display:flex;align-items:center;gap:22px;margin-top:12px}.progress-label{white-space:nowrap;font-size:12px}.progress-label strong{font-size:18px}.progress-grow{flex:1}.track{height:8px;background:var(--surface2);border-radius:20px;overflow:hidden}.track span{display:block;height:100%;background:var(--gold);border-radius:20px}.xp{font-size:12px;color:var(--gold);font-weight:700;white-space:nowrap}.two-cols{display:grid;grid-template-columns:1.3fr 1fr;gap:24px}.recommend{padding:24px;position:relative;border-color:var(--accent)}.recommend h3{font-size:24px;margin:8px 0}.recommend .small{margin-bottom:18px}.btn{background:var(--accent);color:#fff;border-radius:100px;padding:12px 24px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;line-height:1.6;text-decoration:none}.btn.full{width:100%}.btn.secondary{border:1px solid var(--border);color:var(--text);background:transparent}.btn.soft{color:var(--accent);background:var(--soft)}.btn:disabled{opacity:.6}.tutor-switch{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.tutor-mini{padding:0;border:1px solid var(--border);border-radius:18px;background:var(--surface);text-align:left;overflow:hidden}.tutor-mini.active{outline:2px solid var(--accent);outline-offset:-2px}.tutor-mini img{width:100%;height:170px;object-fit:cover;object-position:50% 0}.tutor-mini>div{padding:10px}.tutor-mini strong{font-size:12px}.tutor-mini .hearts{font-size:11px;gap:0;letter-spacing:0}.badge{background:var(--soft);color:var(--accent);font-size:10px;border-radius:30px;padding:4px 10px;display:inline-block;font-weight:700;line-height:1.7}.chapter-title{display:flex;align-items:center;justify-content:space-between;margin:22px 0 12px}.chapter-title h3{font-size:18px}.lesson-list{display:grid;gap:10px}.lesson-row{display:flex;align-items:center;gap:16px;width:100%;padding:18px 22px;text-align:left;border:1px solid var(--border);border-radius:18px;background:var(--surface)}.lesson-row:hover{border-color:var(--accent);transform:translateY(-1px)}.lesson-num{width:42px;height:42px;flex-shrink:0;background:var(--surface2);border-radius:50%;display:grid;place-items:center;color:var(--accent);font-family:serif;font-size:20px}.lesson-num.done{background:var(--accent);color:white}.lesson-main{flex:1;min-width:0}.lesson-main strong{display:block;font-size:17px;line-height:1.6}.lesson-main .small{line-height:1.6;margin:3px 0}.lesson-arrow{color:var(--accent);font-size:12px;white-space:nowrap}.callout{border:1px solid var(--border);border-radius:16px;padding:17px 20px;margin:20px 0;background:var(--surface)}.callout.soft{background:var(--soft);border-color:transparent}.callout .btn{margin-top:12px;font-size:12px;min-height:40px;padding:9px 18px}.bottom-nav{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:10;display:flex;justify-content:space-between;gap:8px;background:rgba(255,250,242,.96);border:1px solid var(--border);border-radius:100px;padding:7px;box-shadow:0 6px 32px #38241a10;max-width:560px;width:calc(100% - 32px);backdrop-filter:blur(12px)}.navitem{background:transparent;color:var(--dim);border-radius:60px;display:flex;align-items:center;justify-content:center;gap:8px;flex:1;padding:11px 7px;font-size:11px;white-space:nowrap}.navitem.active{background:var(--soft);color:var(--accent);font-weight:700}.footer-note{text-align:center;font-size:11px;color:var(--dim);margin-top:30px}.select-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.select-image{width:100%;aspect-ratio:2/3;object-fit:cover}.select-content{padding:20px}.select-content h2{font-size:22px}.select-content .btn{padding:11px 12px;font-size:12px;margin-top:12px}.select-content p{font-size:12px;margin-top:12px}.selected-card{border:2px solid var(--accent)}.profile-intro{display:grid;grid-template-columns:260px 1fr;gap:30px;padding:28px}.profile-intro>img{width:100%;height:350px;object-fit:cover;object-position:top;border-radius:14px}.profile-details{align-self:center}.profile-details h1{margin:4px 0}.stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}.stats>div{background:var(--surface2);padding:12px 17px;border-radius:14px}.stats strong{display:block}.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.gallery img{width:100%;aspect-ratio:3/2;object-fit:cover}.gallery figure{margin:0}.gallery figcaption{padding:14px 18px}.locked{position:relative}.locked img{filter:blur(16px) brightness(.55);transform:scale(1.08)}.locked .lock{position:absolute;inset:0;display:grid;place-content:center;text-align:center;color:white;font-size:14px;background:#38241a33}.locked-image{overflow:hidden}.back{background:none;padding:0;color:var(--dim);display:flex;align-items:center;gap:4px;font-size:12px}.lesson-head{display:flex;gap:14px;align-items:center;margin-bottom:24px}.avatar{width:56px;height:64px;border-radius:40px;object-fit:cover;object-position:top}.lesson-head h1{font-size:23px}.steps{display:flex;gap:8px;margin-bottom:30px}.step{flex:1;font-size:10px;color:var(--dim)}.step::before{content:'';display:block;height:5px;background:var(--surface2);border-radius:10px;margin-bottom:6px}.step.active{color:var(--accent)}.step.active::before{background:var(--accent)}.player{max-width:720px;margin:auto}.bubble{background:var(--surface);border:1px solid var(--border);border-radius:22px 22px 22px 5px;padding:20px 23px;margin:0 60px 18px 0;animation:enter .3s ease}.bubble.me{background:#f3dde0;border-color:#f3dde0;border-radius:22px 22px 5px 22px;margin:0 0 18px 110px}.speaker{display:block;color:var(--accent);font-size:11px;font-weight:700;margin-bottom:7px}.bubble.me .speaker{color:#7c3344}.bubble p{font-size:16px;line-height:2}.player-action{margin-top:24px}.example-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:18px 0}.example-item{min-width:0}.example-item .tag{font-size:11px;display:block;margin-bottom:8px;letter-spacing:1px;font-weight:700}.tag.bad{color:#a54452}.tag.good{color:#2e7658}.mock{border-radius:12px;min-height:220px;display:flex;flex-direction:column;justify-content:center;line-height:1.65;overflow-wrap:anywhere;overflow:hidden}.mock-title{font-weight:700;line-height:1.5}.mock-sub{margin-top:8px;line-height:1.7}.mock-price{font-weight:700;margin-top:12px}.example-note{font-size:11px;color:var(--dim);margin-top:9px;line-height:1.8}.visual{width:100%;border-radius:12px;border:1px solid var(--border);background:white}.visual.zoomable{cursor:zoom-in}.point{background:var(--soft);border-radius:16px;padding:20px;margin:20px 0}.point p{font-size:14px}.quiz-question{font-size:22px;margin:9px 0 20px}.choice-list{display:grid;gap:12px}.choice{width:100%;display:flex;align-items:center;gap:15px;text-align:left;padding:16px 20px;border:1px solid var(--border);background:var(--surface);border-radius:16px;line-height:1.7}.choice-letter{border:1px solid var(--border);border-radius:50%;width:30px;height:30px;display:grid;place-items:center;font-size:12px;flex-shrink:0}.choice.correct{border:2px solid #2e7d4f;background:#eaf3e9}.choice.wrong{border:2px solid #c2435c;background:#fae9eb}.choice.selected{border-color:var(--accent);background:var(--soft)}.answer-feedback{padding:20px;border-radius:16px;margin:20px 0;background:#eaf3e9;color:#214d34}.answer-feedback.wrong{background:#fae9eb;color:#7c3344}.answer-feedback p{font-size:14px;margin-top:8px}.result{text-align:center}.result-portrait{width:145px;height:170px;object-fit:cover;object-position:top;border-radius:100px;margin:20px auto}.result h1{font-size:30px}.result-score{font-family:serif;font-size:60px;color:var(--accent);line-height:1.3;margin:20px 0 5px}.result-heart{font-size:32px;color:var(--pink);animation:heart .6s ease}.result .bubble{text-align:left;margin:25px 0}.reward-row{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:20px 0}.tools-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.search{border:1px solid var(--border);background:var(--surface);border-radius:100px;padding:11px 18px;width:100%;color:var(--text)}.filters{display:flex;gap:8px;margin:14px 0;flex-wrap:wrap}.filter{border:1px solid var(--border);background:var(--surface);border-radius:60px;padding:7px 17px;font-size:12px}.filter.active{background:var(--accent);color:white;border-color:var(--accent)}.library-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.library-card{padding:18px}.library-card h3{font-size:18px;margin:10px 0}.library-card .example-pair{gap:8px;margin:10px 0}.library-card .btn{font-size:12px;width:100%;margin-top:14px}.settings-block{padding:24px;margin-top:20px}.settings-block h2{font-size:22px;margin-bottom:12px}.settings-block input{accent-color:var(--accent)}.setting-label{display:flex;align-items:center;gap:12px;padding:10px 0}.setting-label input{width:18px;height:18px}.file-label{position:relative;overflow:hidden}.file-label input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}.notice{border:1px solid var(--accent);background:var(--soft);padding:12px 18px;border-radius:12px;margin:20px 0;font-size:13px}.review-summary{display:flex;gap:14px;margin-top:20px}.review-summary .card{padding:16px 25px;flex:1}.review-summary strong{font-family:serif;font-size:30px;display:block;color:var(--accent)}.modal{position:fixed;inset:0;background:#21171be6;z-index:50;display:flex;align-items:center;justify-content:center;padding:30px}.modal img{max-height:88vh;max-width:95vw;object-fit:contain;background:white}.modal button{position:absolute;top:15px;right:15px;background:white;border-radius:60px;padding:7px 18px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.fade{animation:enter .3s ease}body.large-text{font-size:17px}body.large-text .small{font-size:14px}body.large-text .bubble p{font-size:18px}.status-toast{position:fixed;top:15px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:10px 20px;border-radius:60px;z-index:60;font-size:12px}.inline-score{color:var(--accent);font-size:11px}.empty-state{padding:40px;text-align:center}.chapter-divider{margin-bottom:30px}@keyframes enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes heart{50%{transform:scale(1.3)}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}body.reduce-motion *,body.reduce-motion *::before{animation:none!important;transition:none!important;scroll-behavior:auto!important}
@media(min-width:1000px){.home-layout{display:grid;grid-template-columns:1fr 300px;gap:30px}.home-main{min-width:0}.home-aside .section{margin-top:0}.home-aside .tutor-switch{gap:8px}.home-aside .tutor-mini img{height:145px}.home-aside .tutor-mini>div{padding:8px}.hero{grid-template-columns:220px 1fr}.hero h1{font-size:27px}.hero-info{padding:24px}.home-aside .recommend{margin-top:24px;padding:22px}.home-aside .recommend h3{font-size:21px}.home-aside{padding-top:0}}
@media(max-width:700px){.shell{padding:0 20px 112px}.topbar{height:82px;margin-bottom:24px}.brand strong{font-size:16px;letter-spacing:1px}.brand small{font-size:9px;letter-spacing:2px}.iconbtn{width:38px;height:38px}.top-actions{gap:7px}h1{font-size:26px}.page-intro{margin-bottom:18px}.hero{grid-template-columns:34% 1fr;min-height:285px}.hero-info{padding:19px 18px}.hero h1{font-size:23px}.hero-meta{font-size:10px}.hero .hearts{font-size:16px;gap:1px;letter-spacing:0}.greeting{font-size:15px;margin:5px 0 11px}.hero .eyebrow{font-size:10px;letter-spacing:0}.hero .linkbtn{font-size:11px}.progress-card{gap:12px;padding:14px 17px}.progress-label{font-size:10px}.progress-label strong{font-size:16px}.xp{font-size:11px}.tutor-mini img{height:195px}.section{margin-top:28px}.home-aside{display:flex;flex-direction:column-reverse}.home-aside .recommend{margin-top:26px}.home-aside .section{margin-top:28px}.home-main .curriculum-home{display:none}.home-aside .curriculum-mobile{display:block}.recommend{padding:20px}.recommend h3{font-size:23px}.lesson-row{padding:16px;gap:12px}.lesson-main strong{font-size:16px}.lesson-num{width:36px;height:36px;font-size:17px}.lesson-arrow{font-size:11px}.lesson-main .small{font-size:11px}.section-heading h2{font-size:23px}.navitem{flex-direction:column;gap:1px;padding:9px 5px;font-size:9px}.navitem svg{width:21px;height:21px}.bottom-nav{bottom:12px;gap:0;padding:5px}.select-grid{grid-template-columns:1fr;gap:25px}.select-content{padding:22px}.select-content h2{font-size:25px}.select-content p{font-size:14px}.profile-intro{grid-template-columns:1fr;padding:22px;gap:22px}.profile-intro>img{height:330px}.gallery{grid-template-columns:1fr}.gallery img{aspect-ratio:3/2}.lesson-head{gap:10px;margin-bottom:19px}.lesson-head h1{font-size:20px}.avatar{width:45px;height:55px}.lesson-head .small{font-size:10px}.bubble{margin-right:25px;padding:18px 20px}.bubble.me{margin-left:65px}.bubble p{font-size:15px}.example-pair{gap:12px}.mock{min-height:210px}.example-pair.native{grid-template-columns:1fr}.example-pair.native .mock{min-height:210px}.quiz-question{font-size:21px}.choice{padding:14px}.library-grid{grid-template-columns:1fr}.review-summary{gap:8px}.review-summary .card{padding:13px 15px}.review-summary .small{font-size:10px}.review-summary strong{font-size:27px}.two-cols{grid-template-columns:1fr}.lesson-row .badge{font-size:9px}.steps{gap:5px}.hero-photo{object-position:center top}.home-aside .curriculum-mobile{order:-1}.home-aside .section{order:1}.home-aside .recommend{order:2}}.curriculum-mobile{display:none}
@media(max-width:420px){.hero h1{font-size:18px;white-space:nowrap}.hero-info{padding:18px 14px}.hero{min-height:260px}.hero-meta{font-size:9px}.greeting{font-size:14px}.example-pair{grid-template-columns:1fr}.library-card .example-pair{grid-template-columns:1fr 1fr}}
@media(max-width:380px){.shell{padding-left:14px;padding-right:14px}.brand strong{font-size:14px}.tutor-mini img{height:170px}.xp{font-size:10px}}
.btn{color:var(--button-ink,#fff)}.btn.secondary{color:var(--text)}.btn.soft{color:var(--label-color,var(--accent))}.eyebrow,.hero-meta,.linkbtn{color:var(--label-color,var(--accent))}
@supports(padding:env(safe-area-inset-bottom)){.shell{padding-bottom:calc(125px + env(safe-area-inset-bottom));padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}.bottom-nav{bottom:calc(12px + env(safe-area-inset-bottom))}}

@media(max-width:700px){body:has(#dn-badge) .bottom-nav{bottom:calc(48px + env(safe-area-inset-bottom,0px))}body:has(#dn-badge) .shell{padding-bottom:calc(165px + env(safe-area-inset-bottom,0px))}}

/* Gallery CG viewing */
.cloud-login{display:grid;gap:16px;margin:18px 0}.cloud-login label{display:grid;gap:7px;font-size:13px}.cloud-login input{width:100%;min-height:46px;border:1px solid var(--border);border-radius:12px;padding:10px 12px;background:var(--surface);color:var(--text);font:inherit;font-size:16px}.cloud-login button:disabled{opacity:.6;cursor:wait}.sync-status{margin:14px 0;padding:12px 14px;border-radius:12px;background:var(--soft);overflow-wrap:anywhere}
.companion-nav{display:flex;justify-content:flex-end;margin:-12px 0 20px}.companion-link{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:44px;padding:9px 18px;border:1px solid var(--border);border-radius:100px;background:var(--surface);color:var(--text);font-size:13px;font-weight:600;text-decoration:none;line-height:1.6}.companion-link:hover{background:var(--soft)}.companion-link:focus-visible{outline:3px solid var(--accent);outline-offset:3px}@media(max-width:700px){.companion-nav{margin:-10px 0 20px}.companion-link{width:100%}}
.lecture-reference{padding:20px;margin:0 0 22px}.lecture-reference h2{font-size:20px;margin:4px 0 12px}.lecture-link{display:flex;flex-direction:column;gap:5px;padding:14px 16px;border:1px solid var(--border);border-radius:14px;background:var(--soft);color:var(--text);text-decoration:none;overflow-wrap:anywhere}.lecture-link strong{font-size:16px;line-height:1.7}.lecture-link:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.lecture-note{font-size:11px;line-height:1.8;color:var(--dim);margin-top:11px}
.still-open{display:block;width:100%;position:relative;padding:0;background:var(--surface2);cursor:zoom-in;overflow:hidden}.still-open img{transition:transform .25s ease}.still-open:hover img{transform:scale(1.025)}.still-zoom{position:absolute;right:12px;bottom:12px;background:#fffaf2e8;border:1px solid #e0cfc0;border-radius:40px;padding:4px 12px;font-size:11px;color:#4a3529;backdrop-filter:blur(5px)}.still-new{margin-right:8px;vertical-align:middle}.modal{flex-direction:column;gap:12px}.modal img{max-height:80vh}.modal-caption{color:#fffaf2;font-family:Shippori Mincho,Yu Mincho,serif;text-align:center;line-height:1.7;font-size:15px;max-width:90vw}

/* Keep affection visible as lessons grow, including narrow tutor cards. */
.hearts{flex-wrap:wrap;max-width:100%}.tutor-mini{min-width:0}.tutor-mini .hearts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px 2px;line-height:1.4;max-width:90px}.tutor-mini .hearts span{min-width:0;text-align:center}