@import"https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@400;700;900&display=swap";:root{--nz-bg:#EEF0F4;--nz-bg-2:#E3E6F0;--nz-surface:#FFFFFF;--nz-navy:#232849;--nz-ink:#1B1F3A;--nz-muted:#5E6180;--nz-line:#D3D5E0;--nz-slate:#5B628F;--nz-sun:#FFD23F;--nz-sun-press:#D9A900;--nz-leaf:#5FB08A;--nz-petal:#F29AAC;--nz-hatena-1:#9DB8F5;--nz-hatena-2:#6F7FE0;--nz-apricot:#F3A55E;--nz-oat:#F2E6CF;--nz-toast:#A8744A;--nz-tee:#6BAA6B;--nz-cardigan:#F6B98A;--nz-blush:#F7A9A0;--nz-font:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;--nz-r-card:28px;--nz-r-chip:24px;--nz-r-pill:999px;--nz-outline:4px;--nz-shadow:0 16px 32px -22px rgba(40,46,120,.55);--nz-shadow-lg:0 22px 44px -26px rgba(40,46,120,.55);--nz-ease-pop:cubic-bezier(.34,1.56,.64,1);--nz-ease-out:cubic-bezier(.22,1,.36,1)}body{background:var(--nz-bg);color:var(--nz-ink);font-family:var(--nz-font);word-break:keep-all;overflow-wrap:anywhere;-webkit-font-smoothing:antialiased}.nz-mark{background:linear-gradient(transparent 70%,var(--nz-sun) 70%);background-repeat:no-repeat}@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}.nz-page{background:var(--nz-bg);color:var(--nz-ink)}.nz-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;max-width:42rem;margin:0 auto}.nz-logo{font-weight:900;font-size:1.15rem;color:var(--nz-ink)}.nz-header-login{color:var(--nz-ink);font-weight:700;font-size:.9rem;text-decoration:none;padding:.5rem 1.1rem;border-radius:var(--nz-r-pill);background:var(--nz-surface);box-shadow:var(--nz-shadow)}.nz-hero{max-width:42rem;margin:0 auto;padding:1.5rem 1.25rem 2.5rem;text-align:center}.nz-door{display:inline-block;padding:.3rem 1rem;border-radius:var(--nz-r-pill);background:var(--nz-surface);color:var(--nz-slate);font-size:.85rem;font-weight:700;margin-bottom:.75rem}.nz-hero h1{font-size:1.7rem;line-height:1.6;font-weight:900;margin:0 0 1rem}.nz-hero .nz-mark{padding:0 .1em}.nz-hero-art{display:flex;align-items:flex-end;justify-content:center;gap:.5rem;margin-bottom:1rem}.nz-hero-art img{display:block}.nz-hero-ponta{width:160px;height:auto}.nz-hero-hatena{width:88px;height:auto;margin-bottom:.5rem}.nz-subhead{color:var(--nz-muted);margin-bottom:1.5rem}.nz-family-note{color:var(--nz-muted);font-size:.9rem;margin-bottom:1.5rem}.nz-cta-row{display:flex;flex-direction:column;align-items:center;gap:.75rem}.nz-cta{display:inline-block;padding:.85rem 1.8rem;border-radius:var(--nz-r-pill);border:none;text-decoration:none;font:inherit;font-weight:700;cursor:pointer;width:100%;max-width:22rem;box-sizing:border-box}.nz-cta:disabled{cursor:default;opacity:.7}.nz-cta--buy{background:var(--nz-sun);color:var(--nz-ink);box-shadow:0 4px 0 var(--nz-sun-press)}.nz-cta--trial{background:var(--nz-surface);color:var(--nz-ink);border:var(--nz-outline) solid var(--nz-ink)}.nz-cta-error{margin:.5rem 0 0;color:#b0342f;font-size:.9rem;text-align:center}.nz-login-link{display:inline-block;margin-top:.25rem;color:var(--nz-slate);font-size:.85rem}.nz-band-navy{background:var(--nz-navy);color:#fff;padding:2.5rem 1.25rem}.nz-band-navy .nz-band-inner{max-width:42rem;margin:0 auto}.nz-band-navy h2{color:#fff;margin:0 0 1rem}.nz-band-navy p{color:#fff;opacity:.92}.nz-section{max-width:42rem;margin:0 auto;padding:2rem 1.25rem}.nz-card{background:var(--nz-surface);border-radius:var(--nz-r-card);box-shadow:var(--nz-shadow);padding:1.5rem 1.25rem}.nz-skill-flow{font-size:1.1rem;font-weight:700;text-align:center;color:var(--nz-ink)}.nz-lessons-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.9rem;margin-top:1.25rem}@media (min-width: 700px){.nz-lessons-grid{grid-template-columns:repeat(4,1fr)}}.nz-lesson-card{background:var(--nz-surface);border-radius:var(--nz-r-chip);box-shadow:var(--nz-shadow);padding:1rem .85rem;text-align:center}.nz-lesson-card img{width:56px;height:56px;margin:0 auto .5rem;display:block}.nz-lesson-card-step{font-size:.75rem;color:var(--nz-muted);margin:0 0 .25rem}.nz-lesson-card-name{font-weight:700;font-size:.9rem;margin:0}.nz-lesson-card-label{font-size:.8rem;color:var(--nz-muted);margin:.2rem 0 0}.nz-price-card{text-align:center}.nz-price-anchor{color:var(--nz-muted);margin:0 0 .5rem}.nz-price-amount{font-size:1.9rem;font-weight:900;margin:.25rem 0 1rem}.nz-price-card ul{text-align:left;display:inline-block;margin:0 0 1.25rem;padding-left:1.2rem;color:var(--nz-ink)}.nz-price-card ul li{margin-bottom:.4rem}.nz-notice-d{margin:0 0 1rem;color:var(--nz-muted);font-size:14px;line-height:1.6;max-width:32rem;margin-left:auto;margin-right:auto}.nz-notice-d a{color:var(--nz-slate)}.nz-purchase-status{margin:.75rem 0 0;color:var(--nz-ink)}.nz-purchase-status--paid{display:flex;flex-direction:column;align-items:center;gap:.75rem}.nz-faq-list{display:flex;flex-direction:column;gap:.75rem;margin-top:1.25rem}.nz-faq-card dt{font-weight:700;margin:0 0 .4rem}.nz-faq-card dd{margin:0;color:var(--nz-ink)}.nz-faq-refund-list{margin:0;padding-left:1.1rem}.nz-faq-refund-list li{margin-bottom:.4rem}.nz-footer{background:var(--nz-navy);color:#fff;padding:2rem 1.25rem}.nz-footer-inner{max-width:42rem;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:center;gap:1rem 1.5rem;font-size:.85rem}.nz-footer a{color:#fff}