.auth-shell{--auth-ink:var(--ink,#29264f);--auth-muted:var(--muted,#746f85);--auth-cream:var(--cream,#fff8ec);--auth-coral:var(--coral,#ff6257);--auth-coral-dark:var(--coral-dark,#d74640);--auth-violet:var(--violet,#7458df);--auth-violet-dark:var(--violet-dark,#553daf);width:100%;min-height:100dvh;padding:max(18px, env(safe-area-inset-top)) 16px max(20px, env(safe-area-inset-bottom));color:var(--auth-ink);background:radial-gradient(circle at 12% 8%,#ffc84447,#0000 30%),radial-gradient(circle at 92% 18%,#7458df29,#0000 31%),linear-gradient(165deg,#fffaf1 0%,#fff4e2 55%,#f6eeff 100%);place-items:start center;display:grid;position:relative;overflow:hidden}.auth-shell--center{place-items:center}.auth-card,.auth-status-card{z-index:1;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fffffff0;border:1px solid #29264f14;border-radius:30px;width:min(100%,470px);position:relative;box-shadow:0 24px 70px #3e2d5c21,0 5px #29264f0d}.auth-card{padding:22px 20px 20px}.auth-hero{text-align:center}.auth-brand{justify-content:center;align-items:center;gap:9px;margin-bottom:14px;font-size:1rem;font-weight:900;display:flex}.auth-brand__mark{background:var(--auth-coral);width:38px;height:38px;box-shadow:0 4px 0 var(--auth-coral-dark);color:var(--auth-ink);border-radius:13px;flex:none;place-items:center;font-family:Noto Sans JP,Nunito,sans-serif;font-size:1.2rem;font-weight:900;display:inline-grid}.auth-brand__mark--large{border-radius:21px;width:62px;height:62px;margin-bottom:8px;font-size:2rem}.auth-mascot{border:4px solid var(--auth-ink);background:#ffc844;border-radius:45% 45% 48% 48%;place-items:center;width:80px;height:70px;margin:0 auto 8px;animation:2.8s ease-in-out infinite auth-bob;display:grid;position:relative;box-shadow:0 6px #29264f21}.auth-mascot--demo{width:100px;height:88px;margin-bottom:22px}.auth-mascot__ear{border:4px solid var(--auth-ink);background:#ffc844;border-bottom:0;border-radius:70% 70% 0 0;width:25px;height:29px;position:absolute;top:-16px}.auth-mascot__ear--left{left:7px;transform:rotate(-19deg)}.auth-mascot__ear--right{right:7px;transform:rotate(19deg)}.auth-mascot__face{font-family:Noto Sans JP,Nunito,sans-serif;font-size:1.8rem;font-weight:900}.auth-kicker{color:var(--auth-violet-dark);letter-spacing:.08em;text-transform:uppercase;justify-content:center;align-items:center;gap:6px;margin:9px 0 5px;font-size:.78rem;font-weight:900;display:flex}.auth-hero h1,.auth-status-card h1{letter-spacing:-.045em;margin:0;font-size:clamp(1.8rem,8vw,2.55rem);font-weight:900;line-height:1.02}.auth-subtitle,.auth-status-card>p{max-width:340px;color:var(--auth-muted);margin:10px auto 0;font-size:1rem;font-weight:650;line-height:1.4}.auth-tabs{background:#f0ecf6;border-radius:16px;grid-template-columns:1fr 1fr;gap:5px;margin:22px 0 14px;padding:5px;display:grid}.auth-tabs button{min-height:48px;color:var(--auth-muted);background:0 0;border:0;border-radius:12px;font-weight:900}.auth-tabs button.is-active{color:var(--auth-violet-dark);background:#fff;box-shadow:0 3px 10px #37295b1a}.auth-google-button,.auth-submit{border:0;border-radius:17px;justify-content:center;align-items:center;gap:10px;width:100%;min-height:54px;font-size:1rem;font-weight:900;transition:transform .15s,box-shadow .15s,opacity .15s;display:inline-flex}.auth-google-button{color:var(--auth-ink);background:#fff;border:2px solid #ded8e5;box-shadow:0 4px #ded8e5}.auth-google-button__mark{color:#fff;background:conic-gradient(#4285f4,#34a853,#fbbc05,#ea4335,#4285f4);border-radius:50%;place-items:center;width:24px;height:24px;font-family:Arial,sans-serif;font-size:.92rem;font-weight:800;display:grid}.auth-google-button:active:not(:disabled),.auth-submit:active:not(:disabled){box-shadow:none;transform:translateY(3px)}.auth-google-button:disabled,.auth-submit:disabled,.auth-field input:disabled{opacity:.55}.auth-divider{color:#9690a3;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px;margin:17px 0 13px;font-size:.8rem;font-weight:800;display:grid}.auth-divider span{background:#e7e0eb;height:1px}.auth-form{gap:8px;display:grid}.auth-form>label{color:var(--auth-ink);margin:5px 2px 0;font-size:.87rem;font-weight:900}.auth-field{min-height:53px;color:var(--auth-violet);background:#fff;border:2px solid #e5dfeb;border-radius:16px;align-items:center;gap:10px;padding:0 14px;transition:border-color .15s,box-shadow .15s;display:flex}.auth-field:focus-within{border-color:var(--auth-violet);box-shadow:0 0 0 4px #7458df21}.auth-field input{min-width:0;color:var(--auth-ink);font:inherit;background:0 0;border:0;outline:0;flex:1;font-size:1rem;font-weight:750}.auth-field input::placeholder{color:#aaa4b4;font-weight:650}.auth-field__toggle{width:48px;height:48px;color:var(--auth-muted);background:0 0;border:0;border-radius:12px;flex:none;place-items:center;margin-right:-10px;display:grid}.auth-tabs button:focus-visible,.auth-google-button:focus-visible,.auth-submit:focus-visible,.auth-field__toggle:focus-visible{outline-offset:3px;outline:3px solid #168dcc}.auth-feedback{min-height:4px}.auth-message{border-radius:13px;align-items:flex-start;gap:8px;margin:7px 0 2px;padding:11px 12px;font-size:.87rem;font-weight:800;line-height:1.35;display:flex}.auth-message svg{flex:none;margin-top:1px}.auth-message--error{color:#ac3440;background:#fff0f1}.auth-message--success{color:#287340;background:#ecf8ef}.auth-message--info{color:var(--auth-violet-dark);background:#f1edff}.auth-submit{background:var(--auth-coral);box-shadow:0 5px 0 var(--auth-coral-dark);color:var(--auth-ink);margin-top:5px}.auth-privacy,.auth-demo-note{color:var(--auth-muted);text-align:center;margin:15px 8px 0;font-size:.77rem;font-weight:700;line-height:1.4}.auth-privacy a,.auth-demo-note a{color:var(--auth-violet-dark);text-underline-offset:3px;font-weight:900}.auth-status-card{text-align:center;justify-items:center;padding:38px 25px;display:grid}.auth-status-card__icon{color:#ba3c47;background:#fff0f1;border-radius:22px;place-items:center;width:68px;height:68px;margin-bottom:18px;display:grid}.auth-status-card .auth-submit{margin-top:24px}.auth-status-card--demo{padding-top:48px}.auth-orbit{border:2px dashed #7458df2e;border-radius:50%;animation:26s linear infinite auth-spin-orbit;position:absolute}.auth-orbit:after{content:"✦";color:var(--auth-violet);font-size:1.5rem;position:absolute;top:-12px;left:50%}.auth-orbit--one{width:380px;height:380px;top:-150px;right:-190px}.auth-orbit--two{width:430px;height:430px;animation-direction:reverse;bottom:-210px;left:-210px}.auth-spin{animation:.85s linear infinite auth-rotate}@keyframes auth-bob{0%,to{transform:translateY(0)rotate(-1deg)}50%{transform:translateY(-5px)rotate(1deg)}}@keyframes auth-rotate{to{transform:rotate(360deg)}}@keyframes auth-spin-orbit{to{transform:rotate(360deg)}}@media (width>=700px){.auth-shell{place-items:center;padding:32px}.auth-card{padding:27px 30px 24px}}@media (height<=760px){.auth-card{padding-top:16px}.auth-mascot{width:62px;height:54px}.auth-brand{margin-bottom:8px}.auth-tabs{margin-top:15px}}@media (prefers-reduced-motion:reduce){.auth-mascot,.auth-orbit,.auth-spin{animation:none}.auth-google-button,.auth-submit{transition:none}}@font-face{font-family:Nunito;font-style:normal;font-weight:200 1000;font-display:swap;src:url(/assets/Nunito-variable-63TK8RbS.ttf)format("truetype")}@font-face{font-family:Noto Sans JP;font-style:normal;font-weight:100 900;font-display:swap;src:url(/assets/NotoSansJP-app-CZda3YQi.ttf)format("truetype")}:root{color:#29264f;font-synthesis:none;text-rendering:optimizelegibility;--ink:#29264f;--muted:#746f85;--cream:#fff8ec;--surface:#fff;--line:#e8e0d7;--coral:#ff6257;--coral-dark:#b63834;--violet:#7458df;--violet-dark:#553daf;--teal:#20b6a2;--teal-dark:#0b7567;--yellow:#ffc844;--success:#4da868;--danger:#d84c55;--shadow:0 7px 20px #2d264a1a;--shadow-soft:0 4px 13px #2d264a12;background:#f2eee8;font-family:Nunito,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{background:#f2eee8}body{min-width:320px;min-height:100dvh;margin:0}button,input{font:inherit}button{color:inherit;-webkit-tap-highlight-color:transparent}button:focus-visible,[href]:focus-visible,input:focus-visible,[role=radio]:focus-visible,[role=switch]:focus-visible{outline-offset:3px;outline:3px solid #168dcc}button:disabled{cursor:not-allowed}h1,h2,p{margin-top:0}.app-shell,.onboarding,.lesson-shell,.celebration-screen{background:var(--cream);width:100%;min-height:100dvh;margin:0 auto}.app-shell{position:relative}.app-shell__content{padding-bottom:calc(90px + env(safe-area-inset-bottom))}.app-shell__content:focus,.lesson-content:focus{outline:none}.eyebrow{color:var(--violet);letter-spacing:.12em;margin-bottom:9px;font-size:.75rem;font-weight:900}.icon-button{width:48px;height:48px;box-shadow:var(--shadow-soft);background:#fff;border:1px solid #29264f14;border-radius:17px;flex:none;place-items:center;display:grid;position:relative}.icon-button--plain{box-shadow:none;background:0 0;border:0}.text-button{min-height:48px;color:var(--violet);background:0 0;border:0;padding:0 8px;font-size:1rem;font-weight:800}.text-button--danger{color:var(--danger)}.button{border:0;border-radius:17px;justify-content:center;align-items:center;gap:9px;min-height:54px;padding:0 22px;font-size:1.05rem;font-weight:900;transition:transform .15s,box-shadow .15s,opacity .15s;display:inline-flex}.button:active:not(:disabled){box-shadow:none;transform:translateY(3px)}.button:disabled{opacity:.38}.button--primary{background:var(--coral);color:var(--ink);box-shadow:0 5px 0 var(--coral-dark)}.button--dark{background:var(--ink);color:#fff;box-shadow:0 5px #17152f}.button--light{color:var(--violet-dark);background:#fff;box-shadow:0 5px #29264f29}.button--ghost{border:2px solid var(--line);color:var(--muted);background:0 0}.button--grow{flex:1}.button--full{width:100%}.onboarding{padding:max(18px, env(safe-area-inset-top)) 20px calc(20px + env(safe-area-inset-bottom));flex-direction:column;display:flex;overflow:hidden}.onboarding__topbar{justify-content:space-between;align-items:center;display:flex}.brand-lockup{align-items:center;gap:10px;font-size:1.12rem;font-weight:900;display:flex}.brand-mark{background:var(--coral);width:42px;height:42px;color:var(--ink);box-shadow:0 4px 0 var(--coral-dark);border-radius:14px;place-items:center;font-family:Noto Sans JP,Nunito,sans-serif;font-size:1.35rem;display:grid}.onboarding__progress{gap:7px;padding:22px 0 4px;display:flex}.onboarding__progress span{background:#ded7d2;border-radius:99px;width:30px;height:5px;transition:width .2s,background .2s}.onboarding__progress span.is-active{background:var(--coral);width:46px}.onboarding__panel{width:100%;max-width:540px;margin:auto;padding:12px 0 18px}.onboarding__panel h1{letter-spacing:-.045em;max-width:480px;margin-bottom:15px;font-size:clamp(2.25rem,10vw,3.5rem);line-height:1.03}.onboarding__lead{color:var(--muted);margin-bottom:23px;font-size:1.12rem;line-height:1.48}.welcome-art{background:#ede6ff;border-radius:44% 44% 38% 38%;width:min(100%,350px);height:220px;margin:0 auto 28px;position:relative;overflow:hidden}.welcome-art:after{content:"";background:var(--teal);border-radius:50%;height:70%;position:absolute;bottom:-48%;left:-20%;right:-20%}.welcome-art__sun{background:var(--coral);border-radius:50%;width:68px;height:68px;position:absolute;top:29px;right:43px}.welcome-art__gate{z-index:2;color:var(--violet-dark);opacity:.18;font-family:Noto Sans JP,Nunito,sans-serif;font-size:8.5rem;font-weight:900;line-height:1;position:absolute;bottom:23px;left:50%;transform:translate(-50%)}.welcome-art__character{z-index:3;background:var(--violet);color:#fff;width:94px;height:94px;box-shadow:0 7px 0 var(--violet-dark);border:6px solid #fff;border-radius:34px 34px 40px 40px;place-items:center;font-family:Noto Sans JP,Nunito,sans-serif;font-size:3.4rem;font-weight:900;display:grid;position:absolute;bottom:27px;left:50%;transform:translate(-50%)rotate(-3deg)}.welcome-art__leaf{z-index:3;background:#0d806f;border-radius:100% 0;width:23px;height:49px;position:absolute}.welcome-art__leaf--one{bottom:27px;left:42px;transform:rotate(-25deg)}.welcome-art__leaf--two{bottom:38px;right:38px;transform:rotate(55deg)}.feature-list{gap:12px;margin:0;padding:0;list-style:none;display:grid}.feature-list li{color:#4e4963;align-items:center;gap:11px;font-weight:700;display:flex}.feature-list svg{color:var(--teal-dark);background:#dcf3ea;border-radius:50%;padding:3px}.choice-list{gap:12px;display:grid}.choice-card{border:2px solid var(--line);text-align:left;background:#fff;border-radius:20px;grid-template-columns:48px minmax(0,1fr) 25px;align-items:center;gap:13px;min-height:82px;padding:14px;transition:border .16s,background .16s,transform .16s;display:grid}.choice-card:active{transform:scale(.985)}.choice-card.is-selected{border-color:var(--violet);background:#f1edff}.choice-card__icon{width:48px;height:48px;color:var(--coral);background:#fff0e7;border-radius:16px;place-items:center;display:grid}.choice-card strong,.choice-card small{display:block}.choice-card strong{font-size:1.03rem}.choice-card small{color:var(--muted);margin-top:3px;font-size:.88rem}.radio-check{border:2px solid #cfc7d5;border-radius:50%;place-items:center;width:24px;height:24px;display:grid}.choice-card.is-selected .radio-check{border-color:var(--violet);background:var(--violet);color:#fff}.onboarding__clock{width:72px;height:72px;color:var(--teal-dark);background:#e3f6f0;border-radius:23px;place-items:center;margin-bottom:24px;display:grid;transform:rotate(-4deg)}.pace-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.pace-card{border:2px solid var(--line);background:#fff;border-radius:21px;min-height:126px;padding:13px 8px}.pace-card strong{font-size:2.1rem;line-height:1}.pace-card>span{color:var(--muted);margin-left:3px;font-weight:800}.pace-card small{color:var(--muted);margin-top:15px;font-size:.84rem;font-weight:800;display:block}.pace-card.is-selected{border-color:var(--coral);color:var(--coral-dark);background:#fff0eb;box-shadow:0 4px #f3b3aa}.pace-card.is-selected small,.pace-card.is-selected>span{color:var(--coral-dark)}.pace-summary{color:#5e5774;text-align:center;background:#ede8fa;border-radius:15px;margin:22px 0 0;padding:14px}.onboarding__actions{gap:10px;width:100%;max-width:540px;margin:0 auto;display:flex}.bottom-nav{z-index:20;padding:7px 5px calc(7px + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);background:#fffffff0;border-top:1px solid #29264f14;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 22px #27214314}.bottom-nav__inner{grid-template-columns:repeat(5,1fr);gap:1px;max-width:610px;margin:0 auto;display:grid}.bottom-nav__item{color:#8b8596;background:0 0;border:0;border-radius:17px;flex-direction:column;justify-content:center;align-items:center;gap:3px;min-height:61px;font-size:.68rem;font-weight:800;display:flex}.bottom-nav__icon{border-radius:15px;place-items:center;min-width:40px;height:30px;display:grid}.bottom-nav__item.is-active{color:var(--violet-dark)}.bottom-nav__item.is-active .bottom-nav__icon{background:#e9e2ff}.home-screen,.secondary-screen{max-width:620px;padding:max(20px, env(safe-area-inset-top)) 18px 32px;margin:0 auto}.home-topbar{justify-content:space-between;align-items:center;margin-bottom:22px;display:flex}.home-topbar__hello{color:var(--muted);margin-bottom:2px;font-size:.9rem;font-weight:700}.home-topbar h1{letter-spacing:-.04em;margin:0;font-size:clamp(2rem,9vw,2.65rem);line-height:1}.home-topbar__actions{align-items:center;gap:7px;display:flex}.streak-pill{color:#e85642;min-width:58px;height:47px;box-shadow:var(--shadow-soft);background:#fff0e8;border-radius:17px;justify-content:center;align-items:center;gap:4px;display:flex}.notification-dot{background:var(--coral);border:2px solid #fff;border-radius:50%;width:8px;height:8px;position:absolute;top:9px;right:10px}.continue-card{background:var(--violet);color:#fff;box-shadow:0 7px 0 var(--violet-dark), 0 15px 28px #4730973b;border-radius:26px;grid-template-columns:minmax(0,1fr) 94px;gap:5px;padding:22px 19px 18px;display:grid;position:relative;overflow:hidden}.continue-card:before{content:"";border:2px solid #ffffff1f;border-radius:50%;width:180px;height:180px;position:absolute;top:-55px;right:-42px;box-shadow:inset 0 0 0 22px #ffffff0a}.continue-card__copy,.continue-card__kana{z-index:2;position:relative}.continue-card__eyebrow{letter-spacing:.12em;opacity:.86;align-items:center;gap:7px;margin-bottom:9px;font-size:.7rem;font-weight:900;display:flex}.continue-card__eyebrow span{background:#fddd57;border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px #fddd572e}.continue-card h2{letter-spacing:-.035em;margin-bottom:3px;font-size:clamp(1.65rem,7vw,2.2rem)}.continue-card p{color:#eeeaff;margin-bottom:12px}.continue-card__meta{color:#dcd5ff;gap:7px;font-size:.78rem;font-weight:700;display:flex}.continue-card__kana{text-align:center;align-self:center;font-family:Noto Sans JP,Nunito,sans-serif}.continue-card__kana span{text-shadow:0 5px #2818604d;font-size:4.7rem;font-weight:900;line-height:.9;display:block;transform:rotate(3deg)}.continue-card__kana i{color:#b5a6ff;font-size:2.2rem;font-style:normal;position:absolute;bottom:-4px;right:-1px;transform:rotate(-12deg)}.continue-card__button{min-height:49px;color:var(--violet-dark);background:#fff;border:0;border-radius:15px;grid-column:1/-1;justify-content:center;align-items:center;gap:8px;margin-top:13px;font-weight:900;display:flex;box-shadow:0 4px #25185752}.continue-card__button:active{box-shadow:none;transform:translateY(3px)}.personalized-route{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:8px 14px;margin:22px 2px 0;padding:0 2px;display:grid}.personalized-route span,.personalized-route strong{display:block}.personalized-route div>span{color:var(--coral-dark);letter-spacing:.11em;margin-bottom:2px;font-size:.67rem;font-weight:900}.personalized-route strong{color:var(--ink);font-size:1.03rem}.personalized-route p{color:var(--muted);margin:0;font-size:.76rem;font-weight:800}.personalized-route__bar{background:#e9e2dc;border-radius:99px;grid-column:1/-1;height:6px;overflow:hidden}.personalized-route__bar>span{border-radius:inherit;background:linear-gradient(90deg, var(--coral), var(--violet));height:100%}.weekly-goal{box-shadow:var(--shadow-soft);background:#fff;border:1px solid #ede4d9;border-radius:19px;grid-template-columns:42px auto minmax(45px,1fr) 30px;align-items:center;gap:10px;margin:25px 0 31px;padding:13px 12px;display:grid}.weekly-goal__icon{width:42px;height:42px;color:var(--teal-dark);background:#e6f7f2;border-radius:14px;place-items:center;display:grid}.weekly-goal strong,.weekly-goal span{display:block}.weekly-goal>div>span{color:var(--muted);font-size:.75rem}.weekly-goal__bar{background:#eee8e1;border-radius:99px;height:7px;overflow:hidden}.weekly-goal__bar span{border-radius:inherit;background:var(--teal);width:60%;height:100%}.weekly-goal button{width:48px;height:48px;color:var(--muted);background:0 0;border:0;place-items:center;padding:0;display:grid}.section-heading{justify-content:space-between;align-items:flex-end;gap:10px;margin:0 2px 18px;display:flex}.section-heading span{color:var(--coral-dark);letter-spacing:.13em;margin-bottom:5px;font-size:.69rem;font-weight:900;display:block}.section-heading h2{letter-spacing:-.025em;margin:0;font-size:clamp(1.35rem,6vw,1.7rem);line-height:1.13}.section-heading--compact{margin-top:3px}.learning-path{gap:25px;display:grid}.world{--world-color:var(--coral);--world-dark:var(--coral-dark);background:#ffffffb3;border:1px solid #ece3da;border-radius:27px;padding:13px 13px 6px;position:relative}.world--violet{--world-color:var(--violet);--world-dark:var(--violet-dark)}.world--teal{--world-color:var(--teal);--world-dark:var(--teal-dark)}.world.is-locked{opacity:.64;filter:grayscale(.15)}.world-card{background:var(--world-color);color:#fff;min-height:93px;box-shadow:0 5px 0 var(--world-dark);border-radius:20px;grid-template-columns:54px minmax(0,1fr) auto;align-items:center;gap:11px;padding:13px;display:grid}.world--coral .world-card,.world--teal .world-card{color:var(--ink)}.world--coral .world-card p,.world--teal .world-card p{color:#29264fc7}.world--coral .world-card__copy>span,.world--teal .world-card__copy>span{opacity:.78}.world-card__icon{background:#ffffff2e;border-radius:17px;place-items:center;width:52px;height:52px;display:grid}.world-card__copy>span{letter-spacing:.11em;text-transform:uppercase;opacity:.84;font-size:.66rem;font-weight:900;display:block}.world-card h2{margin:1px 0;font-size:1.2rem;line-height:1.1}.world-card p{color:#ffffffd6;margin:0;font-size:.76rem;font-weight:700}.world-card__progress{text-align:right;min-width:43px}.world-card__progress strong{font-size:.78rem}.world-card__progress>span{background:#00000024;border-radius:10px;width:43px;height:5px;margin-top:5px;display:block;overflow:hidden}.world-card__progress i{border-radius:inherit;background:#fff;height:100%;display:block}.world-card__status{opacity:.88;flex-direction:column;align-items:center;gap:3px;font-size:.63rem;font-weight:800;display:flex}.world__description{color:var(--muted);margin:17px 11px 0;font-size:.86rem;line-height:1.4}.world-path{padding:24px 2px 5px;position:relative}.world-path__line{background:repeating-linear-gradient(#ded6d1 0 7px,#0000 7px 14px);border-radius:4px;width:4px;position:absolute;top:20px;bottom:50px;left:50%;transform:translate(-50%)}.path-node{z-index:1;grid-template-columns:1fr 72px 1fr;align-items:center;min-height:108px;display:grid;position:relative}.path-node__button{color:#928c99;background:#e5ddd8;border:6px solid #fff;border-radius:23px;grid-column:2;place-items:center;width:66px;height:66px;display:grid;position:relative;box-shadow:0 5px #c6bdb8,0 6px 13px #39304826}.path-node__button.is-complete{background:var(--world-color);color:#fff;box-shadow:0 5px 0 var(--world-dark), 0 6px 13px #39304826}.world--coral .path-node__button.is-complete,.world--teal .path-node__button.is-complete{color:var(--ink)}.path-node__button.is-current{color:var(--world-color);border-color:var(--world-color);box-shadow:0 5px 0 var(--world-dark), 0 7px 18px #4d379d40;background:#fff}.path-node__button.is-challenge{border-radius:50%}.path-node__pulse{z-index:-1;border:2px solid var(--world-color);border-radius:29px;animation:1.8s ease-out infinite pulse;position:absolute;inset:-11px}.path-node__copy{max-width:130px}.path-node--left .path-node__copy{text-align:right;grid-area:1/1;justify-self:end;padding-right:9px}.path-node--right .path-node__copy{grid-column:3;padding-left:9px}.path-node__copy small,.path-node__copy strong,.path-node__copy>span{display:block}.path-node__copy small{color:var(--world-dark);letter-spacing:.08em;text-transform:uppercase;margin-bottom:2px;font-size:.65rem;font-weight:900}.path-node__copy strong{font-size:.87rem;line-height:1.15}.path-node__copy>span{color:var(--muted);margin-top:3px;font-size:.68rem;line-height:1.25}.node-stars{gap:1px;color:#e5a91c!important;margin-top:5px!important;display:flex!important}.path-node--left .node-stars{justify-content:flex-end}@keyframes pulse{0%{opacity:.65;transform:scale(.88)}70%,to{opacity:0;transform:scale(1.17)}}.coming-next{margin-top:34px}.future-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.future-card{min-height:145px;box-shadow:var(--shadow-soft);background:#fff;border:1px solid #ebe2d8;border-radius:20px;padding:17px 14px}.future-card svg{color:var(--violet);margin-bottom:15px}.future-card strong{display:block}.future-card p{color:var(--muted);margin:5px 0 0;font-size:.77rem;line-height:1.35}.lesson-shell{background:#fffaf2;grid-template-rows:auto 1fr auto;display:grid}.lesson-header{padding:max(15px, env(safe-area-inset-top)) 16px 10px;grid-template-columns:48px minmax(0,1fr) 38px;align-items:center;gap:11px;display:grid}.lesson-progress{background:#e8e2dd;border-radius:99px;height:11px;overflow:hidden}.lesson-progress span{border-radius:inherit;background:linear-gradient(90deg, var(--coral), #ff9767);height:100%;display:block}.lesson-header__count{color:var(--muted);text-align:right;font-size:.78rem;font-weight:900}.lesson-content{align-self:center;width:100%;max-width:560px;margin:0 auto;padding:18px 20px 22px}.lesson-title{margin-bottom:23px}.lesson-title h1{letter-spacing:-.04em;margin:0;font-size:clamp(2rem,9vw,3rem);line-height:1.06}.lesson-title h1 em{color:var(--coral-dark);font-style:normal}.kana-stage{background:#f2edff;border:2px solid #e5dcf8;border-radius:38px;place-items:center;width:220px;height:220px;margin:5px auto 23px;display:grid;position:relative;overflow:hidden}.kana-stage:before,.kana-stage:after{content:"";background:#7557e81a;position:absolute}.kana-stage:before{height:1px;top:50%;left:0;right:0}.kana-stage:after{width:1px;top:0;bottom:0;left:50%}.kana-stage__ghost{color:#0000;-webkit-text-stroke:2px #7557e821;font-family:Noto Sans JP,Nunito,sans-serif;font-size:10rem;font-weight:900;line-height:1;position:absolute}.kana-stage__main{z-index:1;color:var(--violet);text-shadow:0 6px #573db026;font-family:Noto Sans JP,Nunito,sans-serif;font-size:8.7rem;font-weight:900;line-height:1;position:relative}.kana-stage__reading{z-index:2;background:var(--violet);color:#fff;border-radius:10px;padding:4px 9px;font-size:.92rem;font-weight:900;position:absolute;bottom:13px;right:15px}.sound-button{width:100%;min-height:57px;color:var(--violet-dark);text-align:left;background:#fff;border:2px solid #ddd3fa;border-radius:18px;grid-template-columns:37px minmax(0,1fr) auto;align-items:center;gap:9px;padding:8px 14px;font-weight:900;display:grid}.sound-button>svg{background:#eee8ff;border-radius:12px;width:37px;height:37px;padding:8px}.sound-button i{align-items:center;gap:3px;height:24px;display:flex}.sound-button b{background:var(--violet);border-radius:3px;width:3px;height:8px;display:block}.sound-button b:nth-child(2){height:17px}.sound-button.is-playing b{animation:.45s ease-in-out infinite alternate sound-wave}.sound-button.is-playing b:nth-child(2){animation-delay:90ms}.sound-button.is-playing b:nth-child(3){animation-delay:.18s}@keyframes sound-wave{to{height:22px}}.memory-tip{color:#685a31;background:#fff4cf;border-radius:16px;grid-template-columns:39px 1fr;gap:10px;margin-top:17px;padding:13px;display:grid}.memory-tip>span{color:#7a5c00;background:#ffe379;border-radius:13px;place-items:center;width:39px;height:39px;display:grid}.memory-tip p{margin:0;font-size:.86rem;line-height:1.45}.kana-options{grid-template-columns:repeat(3,1fr);gap:11px;margin:28px 0 16px;display:grid}.kana-option{min-height:118px;color:var(--ink);background:#fff;border:2px solid #ded7e5;border-radius:23px;font-family:Noto Sans JP,Nunito,sans-serif;font-size:clamp(3.4rem,17vw,5.2rem);font-weight:700;box-shadow:0 4px #d4cbd5}.kana-option.is-selected{border-color:var(--violet);color:var(--violet-dark);box-shadow:0 4px 0 var(--violet-dark);background:#f0ebff}.kana-option.is-correct{border-color:var(--success);color:#327c49;background:#e7f7ec;box-shadow:0 4px #327c49}.kana-option.is-wrong{border-color:var(--danger);color:var(--danger);background:#fff0f0;box-shadow:0 4px #a9323a}.interaction-hint{color:var(--muted);text-align:center;margin:0;font-size:.84rem;line-height:1.4}.single-kana{width:190px;height:190px;color:var(--violet);background:#efeaff;border-radius:36px;place-items:center;margin:15px auto 29px;font-family:Noto Sans JP,Nunito,sans-serif;font-size:8rem;font-weight:900;display:grid;box-shadow:inset 0 -6px #ded3ff}.reading-options{gap:11px;display:grid}.reading-option{background:#fff;border:2px solid #ded7e5;border-radius:17px;min-height:59px;font-size:1.22rem;font-weight:900;box-shadow:0 4px #d4cbd5}.reading-option.is-selected{border-color:var(--violet);color:var(--violet-dark);box-shadow:0 4px 0 var(--violet-dark);background:#f0ebff}.reading-option.is-correct{border-color:var(--success);color:#327c49;background:#e7f7ec;box-shadow:0 4px #327c49}.reading-option.is-wrong{border-color:var(--danger);color:var(--danger);background:#fff0f0;box-shadow:0 4px #a9323a}.trace-pad{aspect-ratio:1;width:min(100%,310px);color:var(--success);background:#f7f3ff;border:3px solid #d8cff1;border-radius:33px;margin:0 auto 15px;padding:0;display:block;position:relative;overflow:hidden}.trace-pad__grid{background:linear-gradient(#0000 49.7%,#7557e81c 50%,#0000 50.3%),linear-gradient(90deg,#0000 49.7%,#7557e81c 50%,#0000 50.3%);position:absolute;inset:0}.trace-pad__model{color:#0000;-webkit-text-stroke:5px #7557e83d;place-items:center;font-family:Noto Sans JP,Nunito,sans-serif;font-size:11.5rem;font-weight:900;display:grid;position:absolute;inset:0}.trace-pad__success{background:#ffffffe6;border-radius:50%;width:110px;height:110px;padding:14px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.trace-pad__label{color:var(--violet-dark);background:#ffffffeb;border-radius:10px;padding:7px;font-size:.82rem;font-weight:900;position:absolute;bottom:13px;left:14px;right:14px}.trace-pad.is-done{border-color:var(--success);background:#ebf8ef}.lesson-action{z-index:4;width:100%;max-width:600px;padding:15px 20px calc(18px + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(13px);backdrop-filter:blur(13px);background:#fffaf2f5;border-top:1px solid #e9e1d8;justify-self:center;position:sticky;bottom:0}.lesson-action.is-correct{background:#eaf8ee;border-color:#bddfc7}.lesson-action.is-wrong{background:#fff1f1;border-color:#efc9cb}.feedback-message{grid-template-columns:44px 1fr;gap:11px;margin-bottom:13px;display:grid}.feedback-message__icon{background:#fff;border-radius:15px;place-items:center;width:44px;height:44px;display:grid}.is-correct .feedback-message__icon{color:var(--success)}.is-wrong .feedback-message__icon{color:var(--danger)}.feedback-message strong{margin-bottom:2px;font-size:1.12rem;display:block}.feedback-message p{color:#5f5a6e;margin:0;font-size:.87rem;line-height:1.35}.dialog-backdrop{z-index:50;padding:max(18px, env(safe-area-inset-top)) 18px max(18px, env(safe-area-inset-bottom));background:#1a173099;align-items:end;display:grid;position:fixed;inset:0}.dialog{width:100%;max-width:480px;margin:0 auto env(safe-area-inset-bottom);text-align:center;background:#fff;border-radius:28px;padding:25px 20px 16px;box-shadow:0 20px 50px #1914324d}.dialog__mark{width:68px;height:68px;color:var(--violet);background:#eee8ff;border-radius:22px;place-items:center;margin:0 auto 17px;font-family:Noto Sans JP,Nunito,sans-serif;font-size:2.2rem;font-weight:900;display:grid}.dialog h2{margin-bottom:8px;font-size:1.7rem}.dialog p{color:var(--muted);margin-bottom:20px;line-height:1.45}.dialog .text-button{margin-top:8px}.celebration-screen{padding:max(30px, env(safe-area-inset-top)) 20px calc(24px + env(safe-area-inset-bottom));text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.confetti{pointer-events:none;position:absolute;inset:0}.confetti i{background:var(--coral);border-radius:3px;width:9px;height:22px;position:absolute;top:9%}.confetti i:nth-child(2n){background:var(--yellow)}.confetti i:nth-child(3n){background:var(--teal)}.confetti i:nth-child(4n){background:var(--violet)}.achievement-seal{background:var(--coral);width:132px;height:132px;color:var(--ink);box-shadow:0 8px 0 var(--coral-dark), 0 17px 30px #be3e3733;border:8px solid #fff;border-radius:43px;place-items:center;margin-bottom:25px;display:grid;position:relative}.achievement-seal span{font-family:Noto Sans JP,Nunito,sans-serif;font-size:4.9rem;font-weight:900;line-height:1}.achievement-seal svg{background:var(--yellow);color:var(--ink);border-radius:50%;padding:5px;position:absolute;top:-13px;right:-12px}.celebration-screen h1{letter-spacing:-.045em;max-width:440px;margin-bottom:10px;font-size:clamp(2.25rem,10vw,3.2rem);line-height:1.03}.celebration-screen__lead{max-width:390px;color:var(--muted);margin-bottom:24px;font-size:1.04rem;line-height:1.45}.lesson-results{grid-template-columns:repeat(3,1fr);gap:8px;width:100%;max-width:430px;margin-bottom:18px;display:grid}.lesson-results>div{min-height:102px;box-shadow:var(--shadow-soft);background:#fff;border:1px solid #ebe3d9;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;padding:10px 5px;display:flex}.lesson-results svg{color:#e6ab20;margin-bottom:5px}.lesson-results strong{font-size:1.25rem}.lesson-results span{color:var(--muted);font-size:.7rem}.lesson-results .result-kana{color:var(--violet);margin-bottom:1px;font-family:Noto Sans JP,Nunito,sans-serif;font-size:1.8rem;font-weight:900;line-height:1}.next-preview{text-align:left;background:#eee9ff;border-radius:17px;justify-content:space-between;align-items:center;width:100%;max-width:430px;margin-bottom:18px;padding:13px 16px;display:flex}.next-preview span,.next-preview strong{display:block}.next-preview span{color:var(--violet-dark);letter-spacing:.1em;margin-bottom:2px;font-size:.66rem;font-weight:900}.next-preview strong{font-size:1.15rem}.celebration-screen>.button{max-width:430px}.secondary-header{padding:12px 2px 16px}.secondary-header h1{letter-spacing:-.04em;max-width:470px;margin-bottom:9px;font-size:clamp(2.15rem,9vw,2.8rem);line-height:1.03}.secondary-header>p:last-child{color:var(--muted);line-height:1.4}.review-hero{background:var(--teal);color:var(--ink);box-shadow:0 6px 0 var(--teal-dark);border-radius:25px;grid-template-columns:55px 1fr;gap:13px;margin:11px 0 30px;padding:19px;display:grid}.review-hero__icon{background:#ffffff2e;border-radius:18px;place-items:center;width:55px;height:55px;display:grid}.review-hero>div>span{letter-spacing:.11em;font-size:.66rem;font-weight:900}.review-hero h2{margin:2px 0 3px;font-size:1.45rem}.review-hero p{color:#29264fcc;margin:0;font-size:.86rem}.review-hero .button{grid-column:1/-1;margin-top:7px}.activity-list{gap:11px;display:grid}.activity-card{text-align:left;min-height:76px;box-shadow:var(--shadow-soft);background:#fff;border:1px solid #ebe2d9;border-radius:20px;grid-template-columns:48px 1fr 25px;align-items:center;gap:12px;padding:12px;display:grid}.activity-card>span{width:48px;height:48px;color:var(--coral);background:#fff0e9;border-radius:16px;place-items:center;display:grid}.activity-card--violet>span{color:var(--violet);background:#eee9ff}.activity-card--teal>span{color:var(--teal-dark);background:#e6f7f2}.activity-card--yellow>span{color:#a97800;background:#fff4cf}.activity-card strong,.activity-card small{display:block}.activity-card small{color:var(--muted);margin-top:2px;font-size:.78rem}.activity-card>svg{color:#9b95a4}.library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;display:grid}.module-card{text-align:left;min-height:170px;box-shadow:var(--shadow-soft);background:#fff;border:1px solid #e9e1d8;border-radius:22px;flex-direction:column;align-items:flex-start;padding:16px;display:flex}.module-card__icon{width:49px;height:49px;color:var(--violet);background:#eee9ff;border-radius:16px;place-items:center;margin-bottom:14px;display:grid}.module-card strong{font-size:1.04rem}.module-card p{color:var(--muted);margin:4px 0 13px;font-size:.76rem;line-height:1.35}.module-card small{color:var(--violet-dark);margin-top:auto;font-size:.7rem;font-weight:900}.module-card.is-locked{color:#77717c;background:#f7f3ee}.module-card.is-locked .module-card__icon{color:#8b8490;background:#e8e1dc}.module-card.is-locked small{color:#8b8490}.level-card{background:var(--violet);color:#fff;box-shadow:0 6px 0 var(--violet-dark);border-radius:25px;margin:8px 0 13px;padding:19px}.level-card__top{grid-template-columns:55px 1fr auto;align-items:center;gap:11px;display:grid}.level-badge{background:#ffffff2e;border-radius:19px;place-items:center;width:55px;height:55px;display:grid}.level-card__top span{letter-spacing:.12em;font-size:.66rem;font-weight:900}.level-card__top h2{margin:2px 0 0;font-size:1.15rem}.level-card__top>strong{font-size:1.55rem}.level-card__top>strong small{font-size:.7rem}.level-card__bar{background:#0000002e;border-radius:10px;height:9px;margin-top:18px;overflow:hidden}.level-card__bar span{border-radius:inherit;background:var(--yellow);width:62%;height:100%;display:block}.level-card>p{color:#e4defc;margin:8px 0 0;font-size:.77rem}.stats-grid{grid-template-columns:repeat(2,1fr);gap:10px;margin:20px 0;display:grid}.stats-grid article{min-height:107px;box-shadow:var(--shadow-soft);background:#fff;border:1px solid #ebe2d9;border-radius:20px;padding:15px}.stats-grid svg{color:var(--coral);margin-bottom:8px;display:block}.stats-grid article:nth-child(2) svg{color:var(--teal)}.stats-grid article:nth-child(3) svg{color:#e2aa23}.stats-grid article:nth-child(4) svg{color:var(--violet)}.stats-grid strong,.stats-grid span{display:block}.stats-grid strong{font-size:1.5rem;line-height:1}.stats-grid span{color:var(--muted);margin-top:4px;font-size:.74rem}.week-card{box-shadow:var(--shadow-soft);background:#fff;border:1px solid #ebe2d9;border-radius:22px;padding:17px 14px}.week-card__heading{justify-content:space-between;align-items:center;margin-bottom:15px;display:flex}.week-card__heading span{color:var(--teal-dark);letter-spacing:.11em;font-size:.66rem;font-weight:900}.week-card__heading h2{margin:1px 0 0;font-size:1.25rem}.week-card__heading svg{color:var(--teal)}.week-days{grid-template-columns:repeat(7,1fr);gap:4px;display:grid}.week-days>div{text-align:center;gap:5px;display:grid}.week-days span{font-size:.72rem;font-weight:800}.week-days i{color:#aea7b1;border:2px solid #ebe5df;border-radius:12px;place-items:center;height:34px;font-size:.55rem;font-style:normal;font-weight:900;display:grid}.week-days .is-complete i{border-color:var(--teal);background:var(--teal);color:#fff;font-size:.85rem}.week-days .is-today i{border-color:var(--coral);color:var(--coral-dark)}.mastery-section{margin-top:28px}.mastery-list{gap:10px;display:grid}.mastery-row{background:#fff;border:1px solid #ebe2d9;border-radius:18px;grid-template-columns:44px 1fr 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