:root{--green: #58cc02;--green-dark: #58a700;--green-shadow: #4caf00;--blue: #1cb0f6;--blue-dark: #1899d6;--purple: #ce82ff;--purple-shadow: #a568cc;--gold: #ffc800;--gold-dark: #e6a500;--orange: #ff9600;--orange-shadow: #cc7800;--red: #ff4b4b;--red-shadow: #cc3a3a;--teal: #2b9348;--ink: #3c3c3c;--ink-soft: #6b6b6b;--bg: #fff;--bg-soft: #f7f7f7;--line: #e5e5e5;--font: "Nunito", "Noto Sans JP", system-ui, sans-serif;--radius: 16px;--radius-lg: 24px;--max-w: 1120px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg)}h1,h2,h3,p{margin:0}ul{margin:0;padding:0}a{text-decoration:none;color:inherit}.site{display:flex;flex-direction:column;min-height:100%;overflow-x:hidden}.pill{display:inline-flex;align-items:center;gap:6px;background:#eaf9db;color:var(--green);font-weight:800;font-size:13px;padding:8px 14px;border-radius:999px;letter-spacing:.2px;margin-bottom:18px}.pill svg{flex-shrink:0}.eyebrow{display:inline-block;font-weight:900;text-transform:uppercase;font-size:13px;letter-spacing:1px;margin-bottom:10px}.eyebrow-green{color:var(--green)}.eyebrow-gold{color:var(--gold-dark)}.eyebrow-blue{color:var(--blue-dark)}.highlight{color:var(--green)}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;color:var(--blue);padding:14px 18px;border-radius:var(--radius);border:2px solid var(--line);background:#fff;box-shadow:0 4px 0 var(--line);transition:transform .05s ease,box-shadow .05s ease;text-transform:none}.btn-secondary:active{transform:translateY(3px);box-shadow:0 1px 0 var(--line)}.altstore-btn{display:inline-flex;align-items:center;gap:10px;background:#111;color:#fff;padding:12px 20px;border-radius:14px;box-shadow:0 4px #000;transition:transform .05s ease,box-shadow .05s ease;cursor:pointer;-webkit-user-select:none;user-select:none;opacity:1}.altstore-btn:active{transform:translateY(2px);box-shadow:0 2px #000}.altstore-btn.sm{padding:8px 14px;border-radius:10px;box-shadow:0 3px #000}.altstore-btn.is-disabled{cursor:not-allowed;opacity:1}.altstore-mark{width:28px;height:28px;flex-shrink:0}.altstore-btn.sm .altstore-mark{width:20px;height:20px}.altstore-text{display:flex;flex-direction:column;line-height:1.15;text-align:left}.altstore-text .small{font-size:10px;color:#ffffffd9;letter-spacing:.02em}.altstore-text .big{font-size:17px;font-weight:800}.altstore-btn.sm .altstore-text .small{font-size:8px}.altstore-btn.sm .altstore-text .big{font-size:13px}.altstore-source-link{display:inline-block;margin-top:10px;font-size:13px;font-weight:700;color:var(--ink-soft);text-decoration:underline;text-underline-offset:3px}.altstore-source-link:hover{color:var(--ink)}.nav{position:sticky;top:0;z-index:20;background:#ffffffe6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:2px solid var(--line)}.nav-inner{max-width:var(--max-w);margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px}.brand-mark{width:34px;height:34px;background:var(--green);border-radius:10px;padding:6px;box-shadow:0 3px 0 var(--green-shadow)}.nav-links{display:flex;gap:24px;font-weight:700;color:var(--ink-soft);flex:1}.nav-links a:hover{color:var(--ink)}.hero{padding:64px 24px 40px;background:linear-gradient(180deg,#f3fbe9,#fff 60%)}.hero-inner{max-width:var(--max-w);margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}.hero-copy h1{font-size:48px;font-weight:900;line-height:1.08;letter-spacing:-.5px}.hero-sub{display:block;margin:20px 0 28px;font-size:18px;color:var(--ink-soft);font-weight:600;line-height:1.55;max-width:520px}.hero-ctas{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:8px}.hero-visual{position:relative;display:flex;justify-content:center}.floating-badge{position:absolute;display:flex;align-items:center;gap:8px;background:#fff;border:2px solid var(--line);border-radius:14px;padding:10px 14px;font-weight:800;font-size:13px;box-shadow:0 6px 0 var(--line);animation:float 4s ease-in-out infinite}.badge-gold{top:10%;right:-6%;color:var(--gold-dark)}.badge-blue{bottom:8%;left:-8%;color:var(--blue-dark);animation-delay:1.5s}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.phone-mock{width:300px;height:610px;background:#1c1c1e;border-radius:44px;padding:14px;box-shadow:0 30px 60px #00000040;position:relative}.phone-notch{position:absolute;top:14px;left:50%;transform:translate(-50%);width:120px;height:22px;background:#1c1c1e;border-radius:0 0 16px 16px;z-index:2}.phone-screen{background:var(--bg-soft);height:100%;border-radius:32px;overflow:hidden;display:flex;flex-direction:column}.mock-topbar{background:#fff;padding:22px 16px 12px;display:flex;align-items:center;gap:10px;border-bottom:2px solid var(--line);font-weight:900}.mock-title{font-size:16px}.mock-chat{flex:1;padding:14px;display:flex;flex-direction:column;gap:14px;overflow:hidden}.mock-scenario{background:#fff9ec;border:2px solid #ffe9b0;border-radius:14px;padding:10px 12px}.mock-scenario-k{display:flex;align-items:center;gap:5px;font-size:10px;font-weight:900;color:var(--gold-dark);text-transform:uppercase;letter-spacing:.6px;margin:0 0 4px!important}.mock-scenario-goal{font-weight:800;font-size:13px;margin:0!important}.mock-ref{animation:ref-swap .3s ease}.mock-ref-table{width:100%;border-collapse:separate;border-spacing:0;font-size:12px;border-radius:12px;overflow:hidden;border:2px solid var(--line)}@keyframes ref-swap{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.mock-ref-table thead{background:#f0fce6}.mock-ref-table th,.mock-ref-table td{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:7px 10px;text-align:left}.mock-ref-table th:last-child,.mock-ref-table td:last-child{border-right:none}.mock-ref-table tr:last-child td{border-bottom:none}.mock-ref-table th{font-weight:800;color:var(--green)}.mock-ref-table td:first-child{font-family:"Noto Sans JP",var(--font);font-weight:700}.mock-ref-table tr:nth-child(2n) td{background:#fafafa}.mock-dock{background:#fff;border-top:2px solid var(--line);padding:16px}.mock-mic-row{display:flex;align-items:center;gap:12px}.mock-mic{position:relative;width:48px;height:48px;border-radius:50%;background:var(--red);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 0 var(--red-shadow);flex-shrink:0}.mock-mic-status{flex:1;min-width:0}.mock-st{font-weight:800;font-size:13px;margin:0!important}.mock-hint{color:var(--ink-soft);font-size:11px;font-weight:600;margin:2px 0 0!important}.logos-strip{padding:28px 24px;text-align:center}.logos-strip p{font-weight:800;color:var(--ink-soft);font-size:13px;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px!important}.logos-row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 28px;font-weight:700;color:var(--ink)}.logos-row span{display:inline-flex;align-items:center;gap:8px}.logos-row svg{flex-shrink:0}section{padding:72px 24px}.section-head{max-width:640px;margin:0 auto 44px;text-align:center}.section-head h2{font-size:34px;font-weight:900;letter-spacing:-.4px;margin-bottom:14px!important}.section-head p{color:var(--ink-soft);font-size:16px;font-weight:600;line-height:1.6}.coach-section{background:var(--bg-soft)}.feature-grid{max-width:var(--max-w);margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.feature-card{background:#fff;border:2px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:0 4px 0 var(--line)}.feature-card h3{font-size:19px;font-weight:900;margin:14px 0 8px!important}.feature-card p{color:var(--ink-soft);font-weight:600;font-size:14.5px;line-height:1.55}.feature-icon{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center}.icon-green{background:var(--green);box-shadow:0 3px 0 var(--green-shadow)}.icon-blue{background:var(--blue);box-shadow:0 3px 0 var(--blue-dark)}.icon-purple{background:var(--purple);box-shadow:0 3px 0 var(--purple-shadow)}.icon-orange{background:var(--orange);box-shadow:0 3px 0 var(--orange-shadow)}.gamified-inner{max-width:var(--max-w);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.gamified-copy h2{font-size:34px;font-weight:900;margin:0 0 16px!important;letter-spacing:-.4px}.gamified-copy p{color:var(--ink-soft);font-weight:600;line-height:1.6;margin-bottom:22px!important;display:block}.check-list{list-style:none;display:flex;flex-direction:column;gap:12px}.check-list li{display:flex;align-items:flex-start;gap:12px;font-weight:700}.check-icon{width:20px;height:20px;border-radius:50%;flex-shrink:0;margin-top:1px;background:var(--green);display:flex;align-items:center;justify-content:center}.path-preview{background:var(--bg-soft);border:2px solid var(--line);border-radius:var(--radius-lg);padding:18px 16px 6px;box-shadow:0 6px 0 var(--line);max-width:400px;margin:0 auto}.unit-header{display:flex;align-items:center;gap:12px;text-align:left;width:100%;margin:0 0 10px;padding:14px 18px;border:none;border-radius:var(--radius);color:#fff;box-shadow:0 4px 0 var(--unit-shadow, rgba(0,0,0,.12))}.unit-header-text{flex:1;min-width:0}.unit-header .k{font-size:12px;font-weight:800;opacity:.9;text-transform:uppercase;letter-spacing:1px}.unit-header .t{font-size:18px;font-weight:900}.unit-header .s{font-weight:700;opacity:.95;font-size:14px}.unit-header svg{display:block;opacity:.9}.level-rows{display:flex;flex-direction:column;gap:10px;padding:0 0 12px}.level-row{display:flex;align-items:center;gap:14px;width:100%;background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:12px 14px;box-shadow:0 4px 0 var(--line);text-align:left}.level-row.done{border-color:#ffd766;box-shadow:0 4px #ffd766}.level-row.current{border-color:var(--coin, var(--green));box-shadow:0 4px 0 var(--coin, var(--green))}.level-row.locked{opacity:.6}.level-row .coin{width:52px;height:52px;border-radius:50%;flex-shrink:0;background:var(--coin, var(--green));color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:inset 0 -4px #00000026}.level-row.current .coin{box-shadow:inset 0 -4px #00000026,0 0 0 4px color-mix(in srgb,var(--coin, var(--green)) 22%,#fff)}.level-row.done .coin{background:var(--gold);box-shadow:inset 0 -4px 0 var(--gold-dark)}.level-row.locked .coin{background:var(--line);box-shadow:inset 0 -4px #d0d0d0}.level-text{flex:1;display:flex;flex-direction:column;min-width:0}.level-k{font-size:11px;font-weight:800;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.6px}.level-title{font-weight:800;font-size:16px;line-height:1.3;color:var(--ink)}.vocab-section{background:var(--bg-soft)}.vocab-inner{max-width:var(--max-w);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.vocab-copy h2{font-size:34px;font-weight:900;margin:0 0 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var(--tint-shadow);color:#fff;text-align:center;font-size:16px;font-weight:800;text-transform:uppercase;letter-spacing:.4px}.how-section{background:#fff}.steps-grid{max-width:var(--max-w);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.step-card{background:#fff;border:2px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:0 4px 0 var(--line)}.step-n{font-size:13px;font-weight:900;color:var(--green)}.step-card h3{font-size:17px;font-weight:900;margin:10px 0 8px!important}.step-card p{color:var(--ink-soft);font-weight:600;font-size:14px;line-height:1.5}.cta-section{background:var(--green);padding:72px 24px 96px;color:#fff}.cta-card{max-width:720px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:18px}.cta-card h2{font-size:30px;font-weight:900}.cta-card p{font-weight:600;max-width:460px}.footer{border-top:2px solid var(--line);padding:32px 24px}.footer-inner{max-width:var(--max-w);margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.footer p{color:var(--ink-soft);font-weight:600;font-size:13px}@media (max-width: 960px){.hero-inner{grid-template-columns:1fr}.hero-visual{order:-1}.hero-copy h1{font-size:36px}.feature-grid,.gamified-inner,.vocab-inner{grid-template-columns:1fr}.vocab-visual{order:-1}.steps-grid{grid-template-columns:repeat(2,1fr)}.nav-links{display:none}.phone-mock{width:260px;height:530px}}@media (max-width: 560px){.steps-grid{grid-template-columns:1fr}}