*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:#111827;background:linear-gradient(180deg,#eaf7ff 0%,#f8fbff 36%,#eef7ff 100%);font-family:"Inter","Noto Sans JP",-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.75;min-height:100vh;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit}:root{--navy:#07111f;--ink:#1e3a8a;--blue:#2563eb;--cyan:#38bdf8;--accent:#f59e0b;--green:#06c755;--muted:#64748b;--border:#dbe4f0;--shadow:0 24px 80px rgba(15,23,42,.08)}.lesson-header{position:sticky;top:0;z-index:100;display:grid;grid-template-columns:minmax(120px,1fr) minmax(120px,240px) auto;gap:16px;align-items:center;padding:12px 20px;background:rgba(255,255,255,.92);border-bottom:1px solid var(--border);backdrop-filter:saturate(180%) blur(18px)}.lesson-breadcrumb{color:var(--muted);font-size:13px;font-weight:800;white-space:nowrap}.lesson-breadcrumb a{color:var(--blue)}.lesson-close{display:inline-flex;justify-content:center;align-items:center;min-height:34px;padding:6px 14px;border:1px solid var(--border);border-radius:999px;background:white;color:var(--muted);font-size:13px;font-weight:800}.progress-bar{height:10px;overflow:hidden;border-radius:999px;background:#e2e8f0}.progress-fill{width:20%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--green),var(--cyan),var(--blue));transition:width .45s ease}.lesson-shell{max-width:1120px;margin:0 auto;padding:42px 24px 112px}.slide{display:none;position:relative;min-height:620px;padding:34px;border:1px solid var(--border);border-radius:34px;background:rgba(255,255,255,.92);box-shadow:var(--shadow);overflow:hidden}.slide::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(37,99,235,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.045) 1px,transparent 1px);background-size:34px 34px;pointer-events:none}.slide.active{display:block;animation:slide-enter .38s cubic-bezier(.2,.75,.2,1)}@keyframes slide-enter{from{opacity:0;transform:translateY(18px) scale(.985);filter:blur(4px)}to{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}}.slide-content{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,420px);gap:34px;align-items:center;min-height:540px}.slide-content.single{grid-template-columns:1fr;text-align:center}.slide h1,.slide h2{margin:0 0 16px;color:var(--navy);line-height:1.24;font-weight:900;letter-spacing:0}.slide h1{font-size:clamp(32px,3.7vw,50px)}.slide h2{font-size:clamp(27px,3vw,40px)}.body-card{margin:0 0 14px;padding:16px 18px;border:1px solid rgba(219,228,240,.9);border-radius:18px;background:rgba(255,255,255,.84);color:#27364a;font-size:clamp(17px,1.18vw,22px);line-height:1.9;font-weight:650;box-shadow:0 12px 30px rgba(15,23,42,.045)}.lead-strong{color:var(--ink);font-weight:900}.goal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:24px}.goal-item{padding:14px;border:1px solid var(--border);border-radius:18px;background:rgba(248,250,252,.92)}.goal-item strong{display:block;color:var(--navy);font-size:13px;margin-bottom:3px}.goal-item span{color:var(--muted);font-size:12px;font-weight:700}.visual-card{position:relative;min-height:420px;border:1px solid var(--border);border-radius:28px;background:linear-gradient(180deg,#fff 0%,#eff6ff 100%);box-shadow:0 18px 46px rgba(15,23,42,.08);overflow:hidden}.visual-card img{position:absolute;right:-22px;bottom:-38px;width:250px;max-width:56%;filter:drop-shadow(0 20px 30px rgba(15,23,42,.16))}.floating-note{position:absolute;left:22px;right:22px;top:22px;z-index:3;padding:16px 18px;border:1px solid var(--border);border-radius:20px;background:rgba(255,255,255,.96);color:var(--navy);font-size:clamp(14px,.92vw,16px);font-weight:900;line-height:1.65;box-shadow:0 14px 34px rgba(15,23,42,.08)}.lesson-orbit{position:absolute;left:22px;bottom:32px;display:flex;gap:10px;flex-wrap:wrap;max-width:220px}.orbit-pill{display:inline-flex;align-items:center;justify-content:center;min-width:48px;height:42px;padding:0 12px;border-radius:14px;background:white;border:1px solid #c7d2fe;color:var(--ink);font-weight:900;box-shadow:0 10px 20px rgba(30,58,138,.12);animation:key-bounce 1.8s ease-in-out infinite}.orbit-pill:nth-child(2){animation-delay:.14s}.orbit-pill:nth-child(3){animation-delay:.28s}.orbit-pill:nth-child(4){animation-delay:.42s}@keyframes key-bounce{0%,100%{transform:translateY(0)}45%{transform:translateY(-6px)}}.step-list,.mini-checks{display:grid;gap:11px;margin:20px 0 0;padding:0;list-style:none}.step-list li,.mini-checks li{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border:1px solid var(--border);border-radius:16px;background:rgba(255,255,255,.92);color:var(--navy);font-size:14px;font-weight:850;line-height:1.65}.step-list li::before{content:counter(step);counter-increment:step;display:grid;place-items:center;flex:0 0 auto;width:24px;height:24px;border-radius:999px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:white;font-size:12px;font-weight:900}.step-list{counter-reset:step}.mini-checks li::before{content:"";width:10px;height:10px;margin-top:8px;border-radius:999px;background:var(--green);box-shadow:0 0 0 6px rgba(6,199,85,.12);flex:0 0 auto}.metric-stack{display:grid;gap:12px;padding:24px}.metric-card{display:grid;grid-template-columns:54px 1fr;gap:12px;align-items:center;padding:14px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.94);box-shadow:0 12px 28px rgba(15,23,42,.06)}.metric-icon{width:54px;height:54px;display:grid;place-items:center;border-radius:17px;background:linear-gradient(135deg,#ecfeff,#dbeafe);color:var(--ink);font-weight:900}.metric-card strong{display:block;color:var(--navy);font-size:14px;line-height:1.35}.metric-card span{color:var(--muted);font-size:12px;font-weight:800}.task-panel{margin-top:18px;padding:16px;border:1px solid var(--border);border-radius:22px;background:rgba(248,250,252,.94)}.checkbox-task{position:relative;display:flex;align-items:flex-start;gap:12px;padding:14px;border:1px solid var(--border);border-radius:18px;background:white;cursor:pointer;transition:border-color .2s,transform .2s,background .2s}.checkbox-task:hover{transform:translateY(-2px);border-color:var(--cyan)}.checkbox-task input{position:absolute;opacity:0;pointer-events:none}.custom-check{width:26px;height:26px;display:grid;place-items:center;flex-shrink:0;margin-top:2px;border-radius:999px;border:2px solid #cbd5e1;color:white;font-weight:900;pointer-events:none;transition:background .2s,border-color .2s,transform .2s}.checkbox-task input:checked+.custom-check{background:var(--green);border-color:var(--green);transform:scale(1.1)}.checkbox-task input:checked+.custom-check::before{content:"✓"}.checkbox-task span{color:var(--navy);font-size:14px;font-weight:800;line-height:1.6}.task-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.task-mini-btn{border:1px solid #fde68a;background:#fffbeb;color:#92400e;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:900;cursor:pointer}.task-state{color:var(--muted);font-size:12px;font-weight:800;align-self:center}.clear-screen{position:relative;min-height:540px;display:grid;place-items:center;text-align:center;overflow:hidden}.clear-card{position:relative;z-index:2;max-width:680px;margin:0 auto;padding:32px;border:1px solid var(--border);border-radius:30px;background:rgba(255,255,255,.92);box-shadow:var(--shadow)}.clear-card img{width:190px;height:190px;object-fit:contain;margin:0 auto -8px;animation:clear-pop 1.6s ease-in-out infinite}@keyframes clear-pop{0%,100%{transform:translateY(0) rotate(0)}48%{transform:translateY(-8px) rotate(-2deg)}}.badge-progress{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;background:linear-gradient(90deg,var(--green),var(--cyan));color:white;font-size:13px;font-weight:900}.clear-card h2{margin:14px 0 8px;color:var(--ink);font-size:clamp(28px,4vw,40px);line-height:1.25}.clear-card p{color:var(--muted)}.clear-progress-text{margin:6px 0 12px;color:var(--muted);font-size:15px;font-weight:800}.next-lesson-box{max-width:540px;margin:14px auto 0;padding:14px 16px;border:1px solid #bbf7d0;border-radius:20px;background:linear-gradient(180deg,#f0fdf4 0%,#fff 100%);box-shadow:0 12px 30px rgba(6,199,85,.08);text-align:left}.next-lesson-label{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;background:#dcfce7;color:#047857;font-size:12px;font-weight:900}.next-lesson-title{margin-top:8px;color:var(--ink);font-size:18px;line-height:1.35;font-weight:900}.next-lesson-desc{margin-top:5px;color:var(--muted);font-size:13px;line-height:1.65;font-weight:800}.clear-actions{display:grid;grid-template-columns:minmax(0,300px) minmax(0,280px);justify-content:center;gap:16px;align-items:center;margin-top:18px}.clear-cta{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 24px;border-radius:999px;font-weight:900}.clear-cta.primary{position:relative;overflow:hidden;isolation:isolate;background:var(--ink);color:white;box-shadow:0 16px 34px rgba(30,58,138,.24)}.clear-cta.primary::after{content:"";position:absolute;inset:-40% auto -40% -65%;width:54%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.72),transparent);transform:translateX(-160%) skewX(-18deg);animation:cta-shine 3s ease-in-out infinite;pointer-events:none;z-index:-1}@keyframes cta-shine{0%{transform:translateX(-160%) skewX(-18deg)}42%,100%{transform:translateX(360%) skewX(-18deg)}}.clear-cta.secondary{background:white;color:var(--blue);border:1px solid #bfdbfe;box-shadow:none}.clear-cta.secondary:hover{background:#eff6ff;color:var(--ink);border-color:var(--blue)}.confetti{position:absolute;inset:0;pointer-events:none}.confetti span{position:absolute;top:-20px;width:10px;height:16px;border-radius:3px;background:var(--accent);animation:fall 3.2s linear infinite}.confetti span:nth-child(2n){background:var(--cyan)}.confetti span:nth-child(3n){background:var(--green)}.confetti span:nth-child(1){left:8%;animation-delay:.1s}.confetti span:nth-child(2){left:18%;animation-delay:.7s}.confetti span:nth-child(3){left:29%;animation-delay:.3s}.confetti span:nth-child(4){left:42%;animation-delay:.9s}.confetti span:nth-child(5){left:56%;animation-delay:.2s}.confetti span:nth-child(6){left:68%;animation-delay:.8s}.confetti span:nth-child(7){left:79%;animation-delay:.4s}.confetti span:nth-child(8){left:91%;animation-delay:1.1s}@keyframes fall{from{transform:translateY(-20px) rotate(0);opacity:0}12%{opacity:1}to{transform:translateY(680px) rotate(420deg);opacity:0}}.nav-buttons{position:fixed;left:0;right:0;bottom:0;z-index:50;display:flex;justify-content:center;gap:22px;align-items:center;padding:16px 24px;border-top:1px solid var(--border);background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(18px)}.nav-btn{min-height:46px;padding:11px 22px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:900;cursor:pointer;transition:transform .2s,background .2s,color .2s,border-color .2s}.nav-btn:hover{transform:translateY(-2px)}.nav-btn.prev{background:white;border-color:var(--border);color:var(--muted)}.nav-btn.next{background:var(--ink);color:white;box-shadow:0 14px 32px rgba(30,58,138,.22)}.nav-btn.prev,.nav-btn.next{min-width:136px}.nav-btn.next:hover{background:var(--blue)}.nav-btn.next.is-complete{background:var(--blue);box-shadow:0 14px 32px rgba(37,99,235,.24)}.nav-btn:disabled{opacity:.35;cursor:not-allowed;transform:none}.slide-counter{min-width:72px;text-align:center;color:var(--muted);font-size:14px;font-weight:900}.github-card{margin-top:14px;padding:14px 16px;border:1px solid #c7d2fe;border-radius:18px;background:#eef2ff;color:var(--ink);font-weight:900}.github-card a{text-decoration:underline}.special-link-card{display:grid;gap:8px;margin-top:18px;padding:18px;border:1px solid var(--border);border-radius:22px;background:white;box-shadow:0 14px 32px rgba(15,23,42,.06)}.special-link-card strong{color:var(--navy);font-size:16px}.special-link-card span{color:var(--muted);font-size:13px;font-weight:800}@media(max-width:760px){.lesson-header{grid-template-columns:1fr;gap:8px;padding:10px 14px}.lesson-close{position:absolute;right:12px;top:10px}.progress-bar{margin-right:88px}.lesson-shell{padding:24px 14px 100px}.slide{min-height:auto;padding:22px;border-radius:26px}.slide-content{grid-template-columns:1fr;gap:22px;min-height:auto}.slide h1{font-size:32px}.slide h2{font-size:27px}.body-card{padding:13px 14px;font-size:16px;line-height:1.78}.goal-grid{grid-template-columns:1fr}.visual-card{min-height:330px}.visual-card img{width:190px}.metric-stack{padding:18px}.clear-screen{min-height:auto}.clear-card{padding:22px 18px 92px;border-radius:26px}.clear-card img{width:145px;height:145px}.clear-card h2{font-size:28px}.next-lesson-box{padding:12px 13px;text-align:center}.next-lesson-title{font-size:16px}.clear-actions{grid-template-columns:1fr;gap:10px}.clear-cta.primary{order:1}.clear-cta.secondary{order:2}.nav-buttons{padding:12px 14px;gap:10px}.nav-btn{min-width:104px;padding:10px 14px;font-size:13px}.nav-btn.prev{min-width:86px}.nav-btn.next.is-complete{min-width:174px;font-size:12px;white-space:nowrap}.slide-counter{min-width:46px}}
.lesson-header{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:10px 20px}.academy-back{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:7px 14px;border:1px solid #bfdbfe;border-radius:999px;background:#fff;color:var(--blue);font-size:14px;font-weight:900;white-space:nowrap;box-shadow:0 10px 24px rgba(37,99,235,.08)}.academy-back:hover{background:#eff6ff;color:var(--ink);border-color:var(--blue)}.lesson-header-main{display:grid;grid-template-columns:auto minmax(150px,240px) auto;align-items:center;gap:12px;margin-left:auto}.lesson-level{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:7px 14px;border:1px solid #bfdbfe;border-radius:999px;background:linear-gradient(135deg,#eff6ff,#e0f2fe);color:var(--ink);font-size:15px;font-weight:950;line-height:1;white-space:nowrap;box-shadow:0 10px 24px rgba(37,99,235,.08)}.lesson-header-main .progress-bar{min-width:150px}.lesson-header-main .lesson-close{white-space:nowrap}@media(max-width:760px){.lesson-header{display:grid;grid-template-columns:minmax(0,1fr);gap:8px;padding:10px 14px}.academy-back{width:max-content;max-width:calc(100% - 88px);min-height:34px;padding:6px 12px;font-size:13px}.lesson-header-main{width:100%;display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 10px;margin-left:0;align-items:center}.lesson-level{min-height:32px;padding:6px 11px;font-size:13px}.lesson-header-main .progress-bar{min-width:0;margin-right:0}.lesson-header-main .lesson-close{position:absolute;right:12px;top:10px;min-height:34px}}
.tools-used-box{margin-top:18px;padding:14px;border:1px solid rgba(37,99,235,.16);border-radius:20px;background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(239,246,255,.9));box-shadow:0 14px 32px rgba(15,23,42,.05)}
.tools-used-label{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;background:#dbeafe;color:var(--ink);font-size:12px;font-weight:900}
.tools-used-list{display:flex;flex-wrap:wrap;gap:9px;margin-top:10px}
.tools-used-list a{display:inline-flex;align-items:center;gap:7px;min-height:36px;padding:7px 10px;border:1px solid var(--border);border-radius:999px;background:white;color:var(--navy);font-size:12px;font-weight:900;box-shadow:0 8px 18px rgba(15,23,42,.04);transition:transform .2s,border-color .2s}
.tools-used-list a:hover{transform:translateY(-2px);border-color:var(--blue)}
.tools-used-list img{width:20px;height:20px;border-radius:6px;object-fit:contain;flex:0 0 auto}
.tools-used-all{display:inline-flex;margin-top:10px;color:var(--blue);font-size:12px;font-weight:900;text-decoration:underline;text-underline-offset:3px}
.step-links{display:flex;flex-wrap:wrap;gap:7px;margin-top:8px;width:100%}
.step-links span{color:var(--muted);font-size:11px;font-weight:900}
.step-links a{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;background:#eff6ff;border:1px solid #bfdbfe;color:var(--blue);font-size:11px;font-weight:900}
@media(max-width:760px){.tools-used-box{padding:12px}.tools-used-list{gap:7px}.tools-used-list a{font-size:11px;padding:6px 8px}.tools-used-list img{width:18px;height:18px}.step-links{gap:6px}}
/* phase2-step1 densification */
.lesson-bulk-note{margin-top:14px;padding:14px 16px;border:1px solid #bfdbfe;border-radius:18px;background:linear-gradient(135deg,#eff6ff,#f8fafc);color:#1e3a8a;font-size:13px;font-weight:900;line-height:1.75}
.concept-flow{display:grid;gap:12px;padding:24px}
.flow-node{display:grid;grid-template-columns:48px 1fr;gap:12px;align-items:center;padding:14px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.95);box-shadow:0 12px 28px rgba(15,23,42,.06)}
.flow-node>div{align-self:center}
.flow-icon{width:48px;height:48px;display:grid;place-items:center;align-self:center;border-radius:16px;background:linear-gradient(135deg,#dbeafe,#ecfeff);color:var(--ink);font-size:20px;font-weight:950;line-height:1}
.flow-node strong{display:block;color:var(--navy);font-size:14px;line-height:1.35}
.flow-node span{display:block;margin-top:3px;color:var(--muted);font-size:12px;font-weight:800;line-height:1.5}
.flow-arrow{justify-self:center;color:var(--blue);font-size:22px;font-weight:950}
.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px}
.choice-card{padding:14px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.93);box-shadow:0 10px 26px rgba(15,23,42,.045)}
.choice-card strong{display:block;color:var(--navy);font-size:14px;line-height:1.35}
.choice-card span{display:block;margin-top:4px;color:var(--muted);font-size:12px;font-weight:800;line-height:1.55}
.choice-card.recommended{border-color:#86efac;background:linear-gradient(180deg,#f0fdf4,#fff)}
.choice-card.warning{border-color:#fcd34d;background:linear-gradient(180deg,#fef3c7,#fff)}
.choice-card.warning .mini-label{background:#fef3c7;color:#b45309;border:1px solid #f59e0b}
.mini-label{display:inline-flex;align-items:center;margin-bottom:8px;padding:4px 9px;border-radius:999px;background:#dbeafe;color:var(--ink);font-size:11px;font-weight:950}
.warning-box{margin-top:14px;padding:14px 16px;border:1px solid #fed7aa;border-radius:18px;background:#fff7ed;color:#9a3412;font-size:13px;font-weight:900;line-height:1.7}
.speed-test-mock,.browser-choice-mock,.ai-compare-mock,.terminal-mock,.site-preview-mock,.file-result-mock{padding:24px}
.speed-meter{display:grid;place-items:center;width:180px;height:180px;margin:42px auto 18px;border-radius:999px;background:conic-gradient(var(--green) 0 74%,#e2e8f0 74% 100%);box-shadow:inset 0 0 0 18px white,0 18px 42px rgba(15,23,42,.12)}
.speed-meter strong{display:block;color:var(--ink);font-size:34px;line-height:1;font-weight:950;text-align:center}
.speed-meter span{display:block;color:var(--muted);font-size:12px;font-weight:900;text-align:center}
.mock-caption{margin-top:12px;color:var(--muted);font-size:12px;font-weight:800;line-height:1.6;text-align:center}
.browser-logo-row{display:grid;gap:12px;margin-top:74px}
.browser-option{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;padding:13px;border:1px solid var(--border);border-radius:18px;background:white;box-shadow:0 10px 24px rgba(15,23,42,.05)}
.browser-option img{position:static;width:44px;height:44px;max-width:none;filter:none}
.browser-option strong{color:var(--navy);font-size:14px}
.browser-option span{color:var(--muted);font-size:12px;font-weight:800}
.browser-option em{font-style:normal;padding:5px 9px;border-radius:999px;background:#dcfce7;color:#047857;font-size:11px;font-weight:950}
.prompt-box{margin-top:18px;border:1px solid #c7d2fe;border-radius:20px;background:#f8fafc;overflow:hidden;box-shadow:0 14px 30px rgba(15,23,42,.06)}
.prompt-box-title{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:10px 14px;background:#eef2ff;color:var(--ink);font-size:12px;font-weight:950}
.prompt-box pre{margin:0;padding:16px 18px;white-space:pre-wrap;color:#0f172a;font-size:14px;line-height:1.75;font-family:"Noto Sans JP",ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:700}
.prompt-box.prompt-compact pre{font-size:12px;line-height:1.55;padding:12px 14px}
.compare-table{display:grid;gap:10px;margin-top:18px}
.compare-row{display:grid;grid-template-columns:120px repeat(3,1fr);gap:8px;align-items:stretch}
.compare-row>span,.compare-row>strong{padding:10px;border:1px solid var(--border);border-radius:14px;background:white;color:var(--navy);font-size:12px;font-weight:900;line-height:1.5}
.compare-row>strong{background:#eff6ff;color:var(--ink)}
.ai-stack{display:grid;gap:12px;margin-top:104px}
.ai-card{display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:center;padding:14px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.94);box-shadow:0 10px 24px rgba(15,23,42,.05)}
.ai-card img{position:static;width:44px;height:44px;max-width:none;filter:none;border-radius:12px}
.ai-card strong{display:block;color:var(--navy);font-size:14px}
.ai-card span{display:block;color:var(--muted);font-size:12px;font-weight:800;line-height:1.5}
.faq-list{display:grid;gap:12px;margin-top:18px}
.faq-item{padding:15px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.94);box-shadow:0 10px 24px rgba(15,23,42,.045)}
.faq-item strong{display:block;color:var(--navy);font-size:14px;line-height:1.45}
.faq-item p{margin:6px 0 0;color:#475569;font-size:13px;font-weight:800;line-height:1.7}
.faq-item a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
.resource-link{display:grid;gap:7px;padding:14px;border:1px solid #bfdbfe;border-radius:18px;background:white;color:var(--blue);font-size:13px;font-weight:950;line-height:1.4;box-shadow:0 10px 24px rgba(15,23,42,.05);transition:transform .2s,border-color .2s,background .2s;cursor:pointer}
.resource-link::after{content:"→";justify-self:end;color:var(--blue);font-weight:950;animation:resArrowPulse 1.1s ease-in-out infinite}
@keyframes resArrowPulse{0%,100%{transform:translateX(0);opacity:1}50%{transform:translateX(5px);opacity:.45}}
@media (prefers-reduced-motion:reduce){.resource-link::after{animation:none}}
.resource-link:hover{transform:translateY(-2px);border-color:var(--blue);background:#eff6ff;text-decoration:underline;text-underline-offset:3px}
.resource-link span{color:var(--muted);font-size:11px;font-weight:800}
.os-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px}
.os-card{padding:16px;border:1px solid var(--border);border-radius:20px;background:rgba(255,255,255,.94)}
.os-card strong{display:block;color:var(--navy);font-size:15px}
.os-card ul{margin:10px 0 0;padding-left:18px;color:#475569;font-size:13px;font-weight:800;line-height:1.75}
.terminal-window{margin-top:72px;border:1px solid #334155;border-radius:18px;background:#0f172a;color:#e2e8f0;overflow:hidden;box-shadow:0 18px 42px rgba(15,23,42,.18)}
.terminal-head{display:flex;gap:7px;align-items:center;padding:12px;background:#111827}
.terminal-head span{width:10px;height:10px;border-radius:999px;background:#ef4444}.terminal-head span:nth-child(2){background:#f59e0b}.terminal-head span:nth-child(3){background:#22c55e}
.terminal-window pre{margin:0;padding:16px;white-space:pre-wrap;font-size:13px;line-height:1.7;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:800}
.file-tree{display:grid;gap:10px;margin-top:76px}
.file-item{display:flex;align-items:center;gap:10px;padding:13px;border:1px solid var(--border);border-radius:16px;background:white;color:var(--navy);font-size:14px;font-weight:950}
.file-item::before{content:"";width:34px;height:26px;border-radius:8px;background:linear-gradient(180deg,#fef3c7,#f59e0b)}
.site-frame{margin-top:60px;border:1px solid var(--border);border-radius:22px;background:white;overflow:hidden;box-shadow:0 18px 42px rgba(15,23,42,.10)}
.site-bar{display:flex;gap:8px;align-items:center;padding:12px;border-bottom:1px solid var(--border);background:#f8fafc}
.site-url{flex:1;padding:7px 10px;border-radius:999px;background:#eef2ff;color:#64748b;font-size:11px;font-weight:900}
.site-body{display:grid;gap:12px;padding:22px}
.site-body h3{margin:0;color:var(--ink);font-size:24px}.site-body p{margin:0;color:#475569;font-size:13px;font-weight:800}.site-cta{width:max-content;padding:8px 14px;border-radius:999px;background:var(--ink);color:white;font-size:12px;font-weight:950}
.copy-note{margin-top:10px;color:var(--muted);font-size:12px;font-weight:800;line-height:1.6}
.dual-photo-frame{overflow:hidden;height:210px;border:1px solid var(--border);border-radius:22px;background:#e2e8f0;box-shadow:0 16px 38px rgba(15,23,42,.10)}
.dual-photo-frame img{position:static;display:block;width:100%;height:100%;max-width:none;object-fit:cover;object-position:center 48%;filter:none}
.dual-links{display:grid;gap:9px;margin-top:12px}.dual-link{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:12px 14px;border:1px solid #bfdbfe;border-radius:16px;background:rgba(255,255,255,.92);box-shadow:0 10px 24px rgba(15,23,42,.06);transition:transform .2s,border-color .2s,background .2s;cursor:pointer}.dual-link:hover{transform:translateY(-2px);border-color:var(--blue);background:#eff6ff;text-decoration:underline;text-underline-offset:3px}.dual-link strong{color:var(--blue);font-size:13px;line-height:1.35}.dual-link span{color:var(--muted);font-size:11px;font-weight:800;line-height:1.45}.dual-link::after{content:"↗";color:var(--blue);font-weight:900}
.share-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px}.share-row a{display:grid;place-items:center;gap:5px;min-height:70px;border:1px solid var(--border);border-radius:16px;background:#f8fafc;color:var(--navy);font-size:12px;font-weight:900}.brand-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;overflow:hidden;line-height:1}.brand-icon svg{width:100%;height:100%;display:block}.brand-icon.facebook{border-radius:999px}.share-benefit{margin-top:24px;font-size:13px;color:var(--muted);font-weight:800}
@media(max-width:760px){.choice-grid,.resource-grid,.os-tabs{grid-template-columns:1fr}.compare-row{grid-template-columns:1fr}.compare-row>span,.compare-row>strong{font-size:12px}.browser-option{grid-template-columns:40px 1fr}.browser-option em{grid-column:2;width:max-content}.speed-meter{width:150px;height:150px}.prompt-box pre{font-size:13px}.share-row{grid-template-columns:repeat(2,1fr)}}
.nowrap{white-space:nowrap}
@media(max-width:760px){.ai-stack{margin-top:92px}.nowrap{white-space:normal}}
.screenshot-card{display:grid;gap:8px;margin-top:14px;padding:10px;border:1px solid var(--border);border-radius:20px;background:#fff;box-shadow:0 12px 28px rgba(15,23,42,.06)}
.visual-card>.floating-note+.screenshot-card{margin-top:86px}
.screenshot-card img{position:static;display:block;width:100%;height:auto;max-width:none;border-radius:14px;filter:none;object-fit:cover}
.screenshot-card figcaption{color:var(--muted);font-size:11px;font-weight:800;line-height:1.55}
.screenshot-card.compact img{aspect-ratio:16/9;object-fit:cover}
.screenshot-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:82px;padding:0 16px}
.screenshot-grid .screenshot-card{margin:0}
.chrome-feature{display:grid;gap:10px;margin-top:18px;padding:18px;border:2px solid #93c5fd;border-radius:22px;background:linear-gradient(180deg,#eff6ff,#fff);box-shadow:0 16px 34px rgba(37,99,235,.10)}
.chrome-feature strong{display:flex;align-items:center;gap:9px;color:var(--ink);font-size:18px;line-height:1.35}
.chrome-feature span{color:#475569;font-size:13px;font-weight:850;line-height:1.6}
.chrome-feature a{display:inline-flex;width:max-content;min-height:44px;align-items:center;padding:10px 16px;border-radius:999px;background:var(--blue);color:#fff;font-size:13px;font-weight:950}
.browser-small-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:10px}
.browser-small-card{padding:12px;border:1px solid var(--border);border-radius:16px;background:#fff;color:var(--muted);font-size:12px;font-weight:850;line-height:1.55}
.browser-small-card strong{display:block;color:var(--navy);font-size:13px}
.mira-callout{display:grid;grid-template-columns:58px 1fr;gap:12px;align-items:center;margin:14px 0;padding:12px 14px;border:1px solid #99f6e4;border-radius:20px;background:#f0fdfa;color:#0f766e;font-size:13px;font-weight:950;line-height:1.6}
.mira-callout img{position:static;width:58px;height:58px;max-width:none;object-fit:contain;filter:drop-shadow(0 8px 14px rgba(15,23,42,.10))}
.ai-compare-wrap{overflow-x:auto;margin-top:18px;padding-bottom:6px}
.ai-compare-table{width:100%;min-width:0;border:1px solid var(--border);border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 14px 30px rgba(15,23,42,.06)}
.ai-compare-row{display:grid;grid-template-columns:96px repeat(3,minmax(0,1fr));border-bottom:1px solid #e5e7eb}
.ai-compare-row:last-child{border-bottom:0}
.ai-compare-row>div{padding:10px;border-right:1px solid #e5e7eb;color:#334155;font-size:11px;font-weight:850;line-height:1.5;overflow-wrap:anywhere}
.ai-compare-row>div:last-child{border-right:0}
.ai-compare-row.header>div{color:#fff;font-weight:950}
.ai-compare-row.header .point-head{background:#1e3a8a}
.ai-head{display:flex;align-items:center;gap:8px}
.ai-head img{position:static;width:24px;height:24px;max-width:none;border-radius:7px;filter:none;background:#fff}
.ai-head.chatgpt{background:#10a37f}.ai-head.gemini{background:linear-gradient(135deg,#4285f4,#9c27b0)}.ai-head.claude{background:#d97757}
.plan-table{overflow-x:auto;margin-top:18px}
.plan-table table{width:100%;min-width:680px;border-collapse:separate;border-spacing:0;border:1px solid var(--border);border-radius:18px;overflow:hidden;background:#fff}
.plan-table th,.plan-table td{padding:12px 14px;border-bottom:1px solid #e5e7eb;border-right:1px solid #e5e7eb;text-align:left;color:#334155;font-size:13px;font-weight:850;line-height:1.55}
.plan-table th{background:#eff6ff;color:var(--ink);font-weight:950}.plan-table tr:last-child td{border-bottom:0}.plan-table th:last-child,.plan-table td:last-child{border-right:0}
@media(max-width:760px){.screenshot-grid,.browser-small-grid{grid-template-columns:1fr}.screenshot-grid{margin-top:72px;padding:0}.chrome-feature a{width:100%;justify-content:center}.mira-callout{grid-template-columns:46px 1fr}.mira-callout img{width:46px;height:46px}}
@media(max-width:760px){.ai-compare-table{min-width:640px}.ai-compare-row{grid-template-columns:104px repeat(3,1fr)}.ai-compare-row>div{padding:10px;font-size:11px}}
.slide-content>*{min-width:0}
.ai-compare-wrap{max-width:100%}
.stage2-visual .stage2-flow{margin-top:132px;padding:0 20px 132px}
.stage2-visual .flow-node{padding:12px}
.stage2-visual .flow-node strong{font-size:13px}
.stage2-visual .flow-node span{font-size:11px}
@media(max-width:760px){.stage2-visual .stage2-flow{margin-top:132px;padding:0 14px 116px}.stage2-visual .flow-node{grid-template-columns:42px 1fr}.stage2-visual .flow-icon{width:42px;height:42px}}
/* Level 0-1 perfect baseline */
.day-badge{display:inline-flex;align-items:center;justify-content:center;min-height:24px;padding:4px 10px;border-radius:999px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-size:12px;font-weight:950;line-height:1;box-shadow:0 10px 20px rgba(37,99,235,.18)}
.lesson-level{gap:8px}
.lesson-kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;padding:7px 12px;border:1px solid #bfdbfe;border-radius:999px;background:linear-gradient(135deg,#eff6ff,#e0f2fe);color:var(--ink);font-size:13px;font-weight:950}
.lesson-side-card{padding:24px 24px 168px;overflow:visible}
.lesson-side-card::after,.screenshot-side-card::after,.dual-side-card::after{content:"";position:absolute;right:22px;bottom:18px;width:160px;height:72px;border-radius:999px;background:radial-gradient(circle,rgba(56,189,248,.18),rgba(37,99,235,0));filter:blur(6px);pointer-events:none}
.visual-card .miraineko-pop{position:absolute;right:-24px;bottom:-34px;z-index:4;width:240px;max-width:58%;filter:drop-shadow(0 20px 30px rgba(15,23,42,.16))}
.visual-card .miraineko-pop.small{width:220px;right:-18px}
.visual-card .miraineko-pop.tiny{width:150px;right:-8px;bottom:-24px;max-width:42%}
.compact-flow{margin-top:84px;padding:0 8px 28px}
.route-map{position:absolute;left:28px;right:28px;top:116px;display:grid;grid-template-columns:auto 1fr auto 1fr auto 1fr auto;align-items:center;gap:10px}
.route-dot{display:grid;place-items:center;width:42px;height:42px;border-radius:999px;border:2px solid #bfdbfe;background:#fff;color:var(--ink);font-weight:950;box-shadow:0 10px 22px rgba(37,99,235,.08)}
.route-dot.is-current{background:linear-gradient(135deg,var(--green),var(--cyan));color:#fff;border-color:transparent}
.route-line{height:4px;border-radius:999px;background:linear-gradient(90deg,#bfdbfe,#e0f2fe)}
.screenshot-side-card,.dual-side-card{padding:24px 24px 136px;overflow:visible}
.screenshot-side-card>.screenshot-card{margin-top:92px}
.step-check-task{border-color:#bbf7d0;background:linear-gradient(180deg,#f0fdf4,#fff)}
.step-check-task .task-mini-btn{min-height:44px}
.summary-status{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:18px 0;padding:14px 16px;border:1px solid #bbf7d0;border-radius:20px;background:linear-gradient(135deg,#f0fdf4,#eff6ff)}
.summary-status strong{color:var(--ink);font-size:18px;font-weight:950}
.summary-status span:last-child{display:inline-flex;align-items:center;min-height:34px;padding:6px 12px;border-radius:999px;background:#e2e8f0;color:#64748b;font-size:12px;font-weight:950}
.summary-status span:last-child.is-active{background:#dcfce7;color:#047857}
.today-summary-list{display:grid;gap:10px}
.summary-task{margin-top:0;padding:12px;background:#fff}
.summary-task.is-complete{border-color:#86efac;background:linear-gradient(180deg,#f0fdf4,#fff)}
.summary-callout{position:relative;z-index:5;display:block;margin:0 0 20px}
.badge-preview{position:absolute;left:24px;right:24px;top:132px;display:grid;gap:6px;padding:18px;border:1px solid #fcd34d;border-radius:22px;background:linear-gradient(180deg,#fffbeb,#fff);box-shadow:0 14px 34px rgba(245,158,11,.12)}
.badge-preview span{color:#b45309;font-size:12px;font-weight:950}
.badge-preview strong{color:var(--ink);font-size:22px;line-height:1.25;font-weight:950}
.badge-preview small{color:#64748b;font-size:12px;font-weight:850}
.faq-mini-board{position:absolute;left:24px;right:24px;top:126px;display:grid;gap:10px}
.faq-mini-board span{padding:12px 14px;border:1px solid #bfdbfe;border-radius:16px;background:#fff;color:var(--ink);font-size:13px;font-weight:950;box-shadow:0 10px 22px rgba(37,99,235,.06)}
.testimonial-card{margin-top:18px;padding:18px;border:1px solid var(--border);border-radius:24px;background:rgba(255,255,255,.94);box-shadow:0 14px 32px rgba(15,23,42,.06)}
.testimonial-profile{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.testimonial-profile strong{color:var(--navy);font-size:18px;font-weight:950}
.testimonial-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.testimonial-before,.testimonial-after{padding:16px;border-radius:20px;border:1px solid var(--border);background:#f8fafc}
.testimonial-before{border-color:#fecaca;background:#fff7f7}
.testimonial-after{border-color:#bbf7d0;background:#f0fdf4}
.testimonial-before strong,.testimonial-after strong{display:block;margin-bottom:8px;color:var(--navy);font-size:14px;font-weight:950}
.testimonial-before ul,.testimonial-after ul{margin:0;padding-left:18px;color:#334155;font-size:14px;font-weight:850;line-height:1.7}
.testimonial-after li::marker{content:"✓ ";color:#16a34a;font-weight:950}
.voice-meter{position:absolute;left:24px;right:24px;top:128px;display:grid;grid-template-columns:72px 1fr;gap:12px;align-items:center;padding:18px;border:1px solid var(--border);border-radius:22px;background:#fff;box-shadow:0 14px 34px rgba(15,23,42,.06)}
.voice-meter span{color:var(--ink);font-size:13px;font-weight:950}
.voice-meter div{height:12px;border-radius:999px;background:#e2e8f0;overflow:hidden}
.voice-meter i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--green),var(--cyan),var(--blue))}
.badge-section{display:grid;gap:12px;margin:16px auto 0;max-width:540px;text-align:left}
.badge-earned,.badge-next{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:center;padding:14px 16px;border:1px solid #fde68a;border-radius:20px;background:linear-gradient(180deg,#fffbeb,#fff);box-shadow:0 12px 30px rgba(245,158,11,.10)}
.badge-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:16px;background:#fef3c7;font-size:26px}
.badge-info strong{display:block;color:var(--ink);font-size:16px;font-weight:950}
.badge-info p,.badge-next p{margin:2px 0;color:#475569;font-size:13px;font-weight:850;line-height:1.5}
.badge-next{grid-template-columns:1fr;border-color:#bfdbfe;background:linear-gradient(180deg,#eff6ff,#fff)}
.badge-next strong{color:var(--ink)}
.badge-progress-mini{display:flex;align-items:center;gap:7px;margin-top:8px}
.badge-progress-mini span{width:12px;height:12px;border-radius:999px;border:2px solid #cbd5e1;background:#fff}
.badge-progress-mini span.completed{border-color:var(--green);background:var(--green);box-shadow:0 0 0 6px rgba(6,199,85,.12)}
.badge-progress-mini em{margin-left:6px;color:var(--muted);font-size:12px;font-style:normal;font-weight:950}
.level0-clear-card{max-width:760px}
.nav-btn.next.is-locked{background:#94a3b8;box-shadow:none;cursor:not-allowed}
.nav-btn.next.is-locked::after{content:"チェック後に進めます";margin-left:8px;font-size:11px;font-weight:850;opacity:.88}
@media(max-width:760px){.lesson-level{gap:6px;max-width:calc(100vw - 116px);overflow:hidden}.day-badge{font-size:10px;padding:3px 8px}.lesson-kicker{font-size:12px}.lesson-side-card,.screenshot-side-card,.dual-side-card{padding:18px 18px 126px;overflow:hidden}.visual-card .miraineko-pop{width:170px;right:-22px;bottom:-26px}.visual-card .miraineko-pop.small{width:160px}.visual-card .miraineko-pop.tiny{width:118px;right:-12px;bottom:-24px}.compact-flow{margin-top:104px}.route-map{top:122px;left:18px;right:18px;gap:6px}.route-dot{width:34px;height:34px}.summary-status{display:grid}.summary-status strong{font-size:16px}.badge-preview,.faq-mini-board,.voice-meter{left:18px;right:18px;top:112px}.testimonial-grid{grid-template-columns:1fr}.badge-earned{grid-template-columns:1fr;text-align:center}.clear-card.level0-clear-card{padding-bottom:72px}.nav-btn.next.is-locked::after{display:none}}
.lesson-header-main{grid-template-columns:auto auto minmax(150px,240px) auto}.access-badge{display:inline-flex;align-items:center;justify-content:center;min-height:32px;padding:7px 12px;border-radius:999px;font-size:12px;font-weight:950;line-height:1;white-space:nowrap;border:1px solid transparent}.access-badge.free{color:#047857;background:#dcfce7;border-color:#bbf7d0}.access-badge.paid{color:#92400e;background:#fffbeb;border-color:#fde68a}.access-badge.special{color:#1e3a8a;background:#eef2ff;border-color:#c7d2fe}.paid-next{background:#fffbeb!important;color:#92400e!important}@media(max-width:760px){.access-badge{min-height:28px;padding:5px 9px;font-size:11px}.lesson-header-main{grid-template-columns:auto auto minmax(0,1fr)}.lesson-header-main .access-badge{grid-row:1;grid-column:2}}
.flow-node .flow-icon{display:grid;place-items:center;width:48px;height:48px;margin:0;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-size:21px;font-weight:950;line-height:1;box-shadow:0 12px 22px rgba(37,99,235,.20)}
.compact-flow .flow-node .flow-icon{width:46px;height:46px;border-radius:15px;font-size:21px}
@media(max-width:760px){.flow-node .flow-icon,.compact-flow .flow-node .flow-icon{width:42px;height:42px;border-radius:14px;font-size:19px}}
.today-summary-list .summary-task,.today-summary-list .summary-task.is-complete{border-color:#fecaca;background:linear-gradient(180deg,#fff1f2,#fff)}
.today-summary-list .summary-task .checkbox-task{border-color:#fecaca;background:#fff7f7}
.today-summary-list .summary-task.is-complete .checkbox-task{border-color:#fecaca;background:#fff7f7}
/* Level 0-2 typing lesson */
.typing-cycle{position:absolute;left:24px;right:120px;top:128px;display:grid;gap:10px}
.typing-cycle span{display:flex;align-items:center;justify-content:space-between;min-height:42px;padding:10px 14px;border:1px solid #bfdbfe;border-radius:16px;background:#fff;color:var(--ink);font-size:13px;font-weight:950;box-shadow:0 10px 22px rgba(37,99,235,.06)}
.typing-cycle span::after{content:"→";color:var(--blue)}
.typing-ai-flow{position:absolute;left:24px;right:24px;top:128px;display:grid;gap:12px}
.typing-ai-flow div,.tool-role,.typing-meter,.typing-example-box,.desktop-shortcut-mock{padding:15px;border:1px solid var(--border);border-radius:18px;background:#fff;box-shadow:0 12px 28px rgba(15,23,42,.06)}
.typing-ai-flow strong,.tool-role strong,.typing-example-box strong{display:block;color:var(--navy);font-size:14px;font-weight:950;line-height:1.35}
.typing-ai-flow span,.tool-role span,.typing-example-box span{display:block;margin-top:5px;color:var(--muted);font-size:12px;font-weight:850;line-height:1.55}
.tool-role-grid{position:absolute;left:24px;right:24px;top:128px;display:grid;gap:10px}
.tool-role.main{border-color:#86efac;background:linear-gradient(180deg,#f0fdf4,#fff)}
.typing-ai-flow div:nth-child(n+2),.tool-role-grid .tool-role:nth-child(n+2){margin-right:110px}
.weakness-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}
.weakness-grid span{display:flex;align-items:center;min-height:42px;padding:10px 12px;border:1px solid #fecaca;border-radius:16px;background:#fff7f7;color:#991b1b;font-size:13px;font-weight:900;line-height:1.35}
.keyboard-mini{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:6px;margin-top:14px;padding:12px;border:1px solid #bfdbfe;border-radius:18px;background:#eff6ff}
.keyboard-mini span{display:grid;place-items:center;min-height:32px;border:1px solid #dbe4f0;border-radius:10px;background:#fff;color:var(--navy);font-size:12px;font-weight:950;box-shadow:0 6px 14px rgba(15,23,42,.04)}
.keyboard-mini .home-key{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;border-color:transparent}
.typing-meter{position:absolute;left:24px;right:24px;top:128px;display:grid;gap:8px;border-color:#bfdbfe;background:linear-gradient(180deg,#eff6ff,#fff)}
.typing-meter span{color:var(--blue);font-size:13px;font-weight:950}
.typing-meter strong{color:var(--ink);font-size:26px;line-height:1.2;font-weight:950}
.typing-meter small{color:var(--muted);font-size:12px;font-weight:850}
.typing-example-box{position:absolute;left:24px;right:24px;top:128px}
.typing-example-box code{display:block;margin:10px 0;padding:12px;border:1px solid #bfdbfe;border-radius:14px;background:#eff6ff;color:var(--ink);font-size:13px;font-family:"Noto Sans JP",ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:900;line-height:1.6}
.routine-steps{display:grid;gap:10px;margin-top:16px}
.routine-steps div{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--border);border-radius:16px;background:#fff}
.routine-steps strong{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-size:18px;font-weight:950}
.routine-steps span{color:var(--navy);font-size:14px;font-weight:900;line-height:1.5}
.desktop-shortcut-mock{position:absolute;left:24px;right:118px;top:128px;min-height:170px;background:linear-gradient(180deg,#f8fafc,#fff)}
.browser-top{height:22px;border-radius:999px;background:linear-gradient(90deg,#e2e8f0,#eff6ff);margin-bottom:18px}
.shortcut-icon{display:grid;place-items:center;gap:8px;width:108px;height:108px;margin:0 auto 12px;border:1px solid #bfdbfe;border-radius:24px;background:#fff;box-shadow:0 14px 30px rgba(37,99,235,.10)}
.shortcut-icon img{position:static;width:42px;height:42px;max-width:none;filter:none}
.shortcut-icon span{color:var(--ink);font-size:13px;font-weight:950}
.desktop-shortcut-mock p{margin:0;color:var(--muted);font-size:12px;font-weight:850;line-height:1.55;text-align:center}
.typing-side-card{padding-bottom:170px}
.typing-lesson .visual-card .miraineko-pop{width:206px;max-width:50%;right:-36px;bottom:-34px}
@media(max-width:760px){.typing-cycle,.typing-ai-flow,.tool-role-grid,.typing-meter,.typing-example-box,.desktop-shortcut-mock{left:18px;right:18px;top:112px}.typing-cycle,.desktop-shortcut-mock{right:18px}.typing-ai-flow div:nth-child(n+2),.tool-role-grid .tool-role:nth-child(n+2){margin-right:0}.weakness-grid{grid-template-columns:1fr}.keyboard-mini{grid-template-columns:repeat(5,minmax(0,1fr))}.typing-side-card{padding-bottom:132px}.typing-lesson .visual-card .miraineko-pop{width:164px;max-width:55%;right:-24px;bottom:-28px}.typing-meter strong{font-size:22px}}
/* Level 0-3 browser lesson */
.browser-route{position:absolute;left:24px;right:118px;top:128px;display:grid;gap:12px}
.browser-route span{display:flex;align-items:center;justify-content:space-between;min-height:58px;padding:13px 16px;border:1px solid #bfdbfe;border-radius:18px;background:#fff;color:var(--ink);font-size:18px;font-weight:950;box-shadow:0 12px 28px rgba(37,99,235,.07)}
.browser-route span::after{content:"→";color:var(--blue);font-size:18px}
.browser-before-after,.browser-step-board{position:absolute;left:24px;right:24px;top:128px;display:grid;gap:12px}
.browser-before-after div,.browser-step-board div,.shortcut-mock,.search-window-mock,.bookmark-bar-mock{padding:15px;border:1px solid var(--border);border-radius:18px;background:#fff;box-shadow:0 12px 28px rgba(15,23,42,.06)}
.browser-before-after div:nth-child(n+2),.browser-step-board div:nth-child(n+2){margin-right:110px}
.browser-before-after strong,.browser-step-board strong{display:block;color:var(--navy);font-size:14px;font-weight:950;line-height:1.35}
.browser-before-after span,.browser-step-board span{display:block;margin-top:5px;color:var(--muted);font-size:12px;font-weight:850;line-height:1.55}
.browser-step-board div:first-child{border-color:#86efac;background:linear-gradient(180deg,#f0fdf4,#fff)}
.shortcut-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}
.shortcut-grid div{padding:14px;border:1px solid #bfdbfe;border-radius:18px;background:#eff6ff;box-shadow:0 10px 24px rgba(37,99,235,.06)}
.shortcut-grid strong{display:block;color:var(--ink);font-size:14px;font-weight:950;line-height:1.35}
.shortcut-grid span{display:block;margin-top:8px;color:#334155;font-size:12px;font-weight:900;line-height:1.7}
.shortcut-mock{position:absolute;left:24px;right:128px;top:128px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:9px;background:linear-gradient(180deg,#f8fafc,#fff)}
.shortcut-mock span{display:grid;place-items:center;min-height:58px;border:1px solid #c7d2fe;border-radius:16px;background:#fff;color:var(--ink);font-size:20px;font-weight:950;box-shadow:0 10px 20px rgba(30,58,138,.08)}
.search-operator-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}
.search-operator-grid div:nth-child(3){grid-column:1/-1}
.search-operator-grid div{padding:13px 14px;border:1px solid #bfdbfe;border-radius:18px;background:#fff;box-shadow:0 10px 24px rgba(15,23,42,.045)}
.search-operator-grid strong{display:block;color:var(--ink);font-size:14px;font-weight:950}
.search-operator-grid code{display:block;margin:7px 0;padding:9px 10px;border:1px solid #bfdbfe;border-radius:13px;background:#eff6ff;color:var(--blue);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;font-weight:900;overflow-wrap:anywhere}
.search-operator-grid span{display:block;color:var(--muted);font-size:12px;font-weight:850;line-height:1.5}
.search-window-mock,.bookmark-bar-mock{position:absolute;left:24px;right:118px;top:128px;min-height:170px;background:linear-gradient(180deg,#f8fafc,#fff)}
.search-bar-mock{margin:14px 0;padding:13px 14px;border:2px solid #93c5fd;border-radius:999px;background:#fff;color:var(--ink);font-size:13px;font-weight:950;overflow-wrap:anywhere}
.search-window-mock span,.bookmark-bar-mock p{display:block;margin:0;color:var(--muted);font-size:12px;font-weight:850;line-height:1.55;text-align:center}
.bookmark-candidates{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}
.bookmark-candidates a{padding:13px 14px;border:1px solid #bfdbfe;border-radius:18px;background:#fff;color:var(--blue);box-shadow:0 10px 24px rgba(37,99,235,.06)}
.bookmark-candidates a:hover{text-decoration:underline;text-underline-offset:3px}
.bookmark-candidates strong{display:block;font-size:14px;font-weight:950;line-height:1.35}
.bookmark-candidates span{display:block;margin-top:5px;color:var(--muted);font-size:12px;font-weight:850}
.bookmark-row{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 14px;padding:10px;border:1px solid #dbe4f0;border-radius:16px;background:#fff}
.bookmark-row span{display:inline-flex;align-items:center;min-height:34px;padding:7px 10px;border-radius:999px;background:#eff6ff;color:var(--ink);font-size:12px;font-weight:950}
.browser-side-card{padding-bottom:170px}
.browser-lesson .visual-card .miraineko-pop{width:206px;max-width:50%;right:-36px;bottom:-34px}
.browser-lesson code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--blue);font-weight:950}
@media(max-width:760px){.browser-route,.browser-before-after,.browser-step-board,.shortcut-mock,.search-window-mock,.bookmark-bar-mock{left:18px;right:18px;top:112px}.browser-before-after div:nth-child(n+2),.browser-step-board div:nth-child(n+2){margin-right:0}.shortcut-grid,.bookmark-candidates,.search-operator-grid{grid-template-columns:1fr}.search-operator-grid div:nth-child(3){grid-column:auto}.shortcut-mock{grid-template-columns:1fr 1fr}.browser-side-card{padding-bottom:132px}.browser-lesson .visual-card .miraineko-pop{width:164px;max-width:55%;right:-24px;bottom:-28px}.browser-route span{min-height:48px;font-size:16px}.search-window-mock,.bookmark-bar-mock{min-height:150px}}
.course-env-note{margin:-4px 0 16px;padding:12px 14px;border:1px solid #bfdbfe;border-radius:16px;background:#eff6ff;color:var(--ink);font-size:13px;font-weight:900;line-height:1.65}
.step-check-task{border-color:#fecaca;background:linear-gradient(180deg,#fff1f2,#fff)}
.step-check-task .checkbox-task{border-color:#fecaca;background:#fff7f7}
.check-copy{display:grid;gap:5px}
.check-cta{display:flex;align-items:center;gap:8px;color:#b91c1c;font-size:15px;font-weight:950;line-height:1.35}
.blink-arrow{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:999px;background:#fee2e2;color:#dc2626;font-size:19px;line-height:1;animation:slow-blink 1.8s ease-in-out infinite}
.check-action{display:block;color:var(--navy);font-size:14px;font-weight:900;line-height:1.55}
@keyframes slow-blink{0%,100%{opacity:1;transform:translateX(0)}50%{opacity:.35;transform:translateX(-4px)}}
.visual-card .miraineko-pop.step-mira{width:230px;right:-22px;bottom:-34px;max-width:55%}
.screenshot-side-card,.dual-side-card{padding-bottom:176px}
.lesson-perfect .screenshot-side-card .screenshot-grid{margin-top:128px}
.lesson-perfect .screenshot-side-card>.screenshot-card{margin-top:128px}
.lesson-perfect .dual-side-card .dual-photo-frame{margin-top:116px}
.level0-clear-card>img{width:240px;height:240px;margin-bottom:-16px}
@media(max-width:760px){.course-env-note{font-size:12px;padding:10px 12px}.check-cta{font-size:14px}.check-action{font-size:13px}.visual-card .miraineko-pop.step-mira{width:168px;right:-24px;bottom:-28px;max-width:55%}.screenshot-side-card,.dual-side-card{padding-bottom:136px}.lesson-perfect .screenshot-side-card .screenshot-grid{margin-top:124px}.lesson-perfect .screenshot-side-card>.screenshot-card{margin-top:124px}.lesson-perfect .dual-side-card .dual-photo-frame{margin-top:112px}.level0-clear-card>img{width:170px;height:170px;margin-bottom:-8px}}
/* unified lesson header */
.lesson-header{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:10px 20px}
.lesson-header-main{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-left:auto;min-width:0}
.course-level-pill{display:inline-flex;align-items:center;min-height:42px;padding:5px 13px 5px 5px;border:1px solid #bfdbfe;border-radius:999px;background:linear-gradient(135deg,#eff6ff,#e0f2fe);color:var(--ink);font-size:15px;font-weight:950;line-height:1;white-space:nowrap;box-shadow:0 10px 24px rgba(37,99,235,.10);transition:transform .18s,border-color .18s,box-shadow .18s}
.course-level-pill:hover{transform:translateY(-1px);border-color:var(--blue);box-shadow:0 14px 28px rgba(37,99,235,.16)}
.course-pill-count{display:inline-flex;align-items:center;justify-content:center;min-height:30px;padding:6px 12px;border-radius:999px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-size:13px;font-weight:950;box-shadow:0 10px 20px rgba(37,99,235,.18)}
.course-pill-level{display:inline-flex;align-items:center;justify-content:center;min-height:30px;padding:6px 2px 6px 10px;color:var(--ink);font-size:15px;font-weight:950}
.lesson-header-main>.access-badge{min-height:34px;padding:7px 12px;font-size:12px}
.lesson-header-main>.progress-bar{width:220px;min-width:150px;flex:0 1 220px}
.lesson-header-main>.lesson-close{flex:0 0 auto}
@media(max-width:760px){
.lesson-header{display:grid;grid-template-columns:1fr;gap:8px;padding:10px 14px}
.academy-back{width:max-content;max-width:calc(100% - 88px)}
.lesson-header-main{width:100%;display:flex;flex-wrap:wrap;justify-content:flex-start;gap:7px 8px;margin-left:0;padding-right:82px}
.course-level-pill{min-height:34px;padding:4px 10px 4px 4px}
.course-pill-count{min-height:26px;padding:5px 9px;font-size:11px}
.course-pill-level{min-height:26px;padding:5px 0 5px 8px;font-size:12px}
.lesson-header-main>.access-badge{min-height:30px;padding:5px 9px;font-size:11px}
.lesson-header-main>.progress-bar{order:10;width:100%;min-width:0;flex:1 0 100%;margin-right:0}
.lesson-header-main>.lesson-close{position:absolute;right:12px;top:10px;min-height:34px}
}
/* ===== embed-mode (=iframe埋め込み時) =====
?embed=1 のクエリパラメータが付いてアクセスされた場合、
lesson-bulk.js が body に .embed-mode class を付与する。
ヘッダー・フッター・サイドナビを隠してレッスン本体だけ表示。 */
.embed-mode .lesson-header,
.embed-mode .academy-back,
.embed-mode .site-header,
.embed-mode .site-footer,
.embed-mode footer { display: none !important; }
.embed-mode .lesson-shell { padding-top: 12px; }
.embed-mode body, body.embed-mode { background: transparent; }
/* embed-mode 拡張: 1画面(=iframe高さ540〜620px)で全部見えるよう全要素を縮小 */
.embed-mode .lesson-shell { padding: 8px 12px 60px !important; max-width: none !important; }
.embed-mode .slide { min-height: auto !important; padding: 16px !important; border-radius: 18px !important; }
.embed-mode .slide-content { min-height: auto !important; gap: 16px !important; }
.embed-mode .slide h1 { font-size: clamp(20px, 2.2vw, 28px) !important; margin-bottom: 8px !important; }
.embed-mode .slide h2 { font-size: clamp(18px, 2vw, 24px) !important; margin-bottom: 8px !important; }
.embed-mode .body-card { padding: 10px 12px !important; font-size: 14px !important; margin-bottom: 8px !important; }
.embed-mode .nav-buttons { padding: 8px 12px !important; }
.embed-mode .nav-btn { min-height: 38px !important; padding: 8px 14px !important; font-size: 13px !important; }
/* ミライネコpanel(=iframe内に収まるよう上下余白を最小化) */
.embed-mode .mnk-panel { top: 8px !important; bottom: 8px !important; right: 8px !important; width: min(320px, calc(100vw - 16px)) !important; }
.embed-mode .mnk-launch { bottom: 8px !important; right: 8px !important; }
.embed-mode .mnk-bar { bottom: 8px !important; right: 8px !important; }
/* ===== 2種類のプロンプト枠(=🐾ミライネコ用 / 🤖職人AI用)＋コピー (2026-06-03) ===== */
.prompt-box.is-mnk{border-color:#7dd3fc;background:#f0f9ff}
.prompt-box.is-mnk .prompt-box-title{background:#e0f2fe;color:#0369a1}
.prompt-box.is-agent{border-color:#0f766e;background:#f0fdfa}
.prompt-box.is-agent .prompt-box-title{background:linear-gradient(135deg,#0f766e,#0891b2);color:#fff}
.prompt-box-title .prompt-actions{display:flex;gap:6px;align-items:center}
.prompt-copy,.prompt-send{display:inline-flex;align-items:center;gap:4px;border:none;border-radius:999px;padding:5px 12px;font-size:12px;font-weight:900;cursor:pointer;font-family:inherit;white-space:nowrap}
.prompt-copy{background:#fff;color:#0f172a;border:1px solid rgba(0,0,0,.14)}
.prompt-copy:hover{background:#f1f5f9}
.prompt-copy.done{background:#dcfce7;color:#047857;border-color:#86efac}
.prompt-send{background:linear-gradient(135deg,#38bdf8,#34d399);color:#fff}
.prompt-send:hover{filter:brightness(.95)}
.prompt-hint-row{margin-top:8px;color:var(--muted);font-size:12px;font-weight:800;line-height:1.6}
/* ===== すごろく v2：カウント無し・位置固定・「今ここ」表示 (2026-06-04) ===== */
.sugoroku-mini{margin:16px 0 0;padding:16px 18px;border:1px solid var(--border);border-radius:20px;background:linear-gradient(180deg,#fff,#f0f9ff)}
.journey-map{margin:18px 0 0;padding:18px;border:1px solid var(--border);border-radius:22px;background:linear-gradient(180deg,#fff,#eef9ff)}
.journey-head{font-size:13px;font-weight:900;color:var(--ink);margin-bottom:16px;text-align:center}
.journey-head strong{color:var(--coral)}
.sg-track{display:flex;align-items:flex-start;justify-content:center;gap:0}
.sg-node{flex:0 0 auto;display:flex;flex-direction:column;align-items:center;gap:5px;width:46px}
.sg-dot{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:900;border:2px solid #cbd5e1;background:#fff;color:#94a3b8;transition:transform .2s}
.sg-node.done .sg-dot{border-color:#34d399;background:linear-gradient(135deg,#38bdf8,#34d399);color:#fff}
.sg-node.now .sg-dot{border-color:var(--coral);background:#fff;color:var(--coral);transform:scale(1.16);box-shadow:0 0 0 5px rgba(249,115,91,.18),0 8px 18px rgba(249,115,91,.25);animation:sg-pulse 1.7s ease-in-out infinite}
@keyframes sg-pulse{0%,100%{box-shadow:0 0 0 5px rgba(249,115,91,.18),0 8px 18px rgba(249,115,91,.25)}50%{box-shadow:0 0 0 9px rgba(249,115,91,.08),0 8px 20px rgba(249,115,91,.32)}}
.sg-lbl{font-size:11px;font-weight:800;color:#94a3b8;white-space:nowrap}
.sg-node.done .sg-lbl{color:#0f766e}
.sg-node.now .sg-lbl{color:var(--coral);font-weight:900}
.sg-bar{flex:1 1 auto;min-width:8px;height:4px;border-radius:999px;background:#e2e8f0;margin-top:15px}
.sg-bar.done{background:linear-gradient(90deg,#38bdf8,#34d399)}
.journey-levels{display:flex;align-items:center;justify-content:center;gap:0;margin-top:18px}
.lv-node{flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:900;background:#e5ebf2;color:#9aa6b5;transition:.2s}
.lv-node.now{width:36px;height:36px;font-size:14px;background:linear-gradient(135deg,#0f766e,#34d399);color:#fff;box-shadow:0 0 0 4px rgba(52,211,153,.22),0 8px 16px rgba(15,118,110,.28)}
.lv-bar{flex:1 1 auto;min-width:5px;height:3px;background:#e5ebf2;border-radius:999px}
@media(max-width:760px){.sg-node{width:40px}.sg-dot{width:30px;height:30px;font-size:12px}.sg-lbl{font-size:10px}.lv-node{width:21px;height:21px;font-size:10px}.lv-node.now{width:29px;height:29px;font-size:12px}.journey-map{padding:14px}}
.did-list{display:grid;gap:9px;margin:16px 0 0;padding:0;list-style:none}
.did-list li{display:flex;align-items:center;gap:10px;padding:11px 14px;border:1px solid #bbf7d0;border-radius:14px;background:linear-gradient(180deg,#f0fdf4,#fff);color:var(--navy);font-size:14px;font-weight:850}
.did-list li::before{content:"✓";display:grid;place-items:center;flex:0 0 auto;width:22px;height:22px;border-radius:999px;background:var(--green);color:#fff;font-size:13px;font-weight:900}
@media(max-width:760px){.sg-node{width:28px;height:28px;font-size:11px}.sugoroku{padding:14px}}
/* ホバーで少し浮く＝押せると分かる (2026-06-04) */
.lesson-close{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease}
.lesson-close:hover{transform:translateY(-2px);border-color:var(--cyan);color:var(--ink);box-shadow:0 8px 18px rgba(15,23,42,.12)}
.clear-cta{transition:transform .18s ease,box-shadow .18s ease,background .2s ease,color .2s ease,border-color .2s ease}
.clear-cta:hover{transform:translateY(-3px)}
.clear-cta.primary:hover{box-shadow:0 22px 42px rgba(30,58,138,.32)}
.clear-cta.secondary:hover{box-shadow:0 12px 26px rgba(37,99,235,.16)}
/* 手順ステップ（番号＋↓矢印）＝やることを上から順に・常時表示 (2026-06-04) */
.how-steps{display:grid;gap:0;margin-top:16px}
.how-step{display:grid;grid-template-columns:36px 1fr;gap:14px;align-items:start;padding:15px 16px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.94);box-shadow:0 10px 24px rgba(15,23,42,.05)}
.how-num{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-weight:900;font-size:17px}
.how-body{min-width:0}
.how-body>strong{display:block;color:var(--navy);font-size:15px;font-weight:900;line-height:1.55;margin-bottom:8px}
.how-free{display:inline-block;margin-left:7px;font-size:11px;color:#166534;background:#dcfce7;padding:2px 8px;border-radius:999px;font-weight:900;vertical-align:middle}
.how-cost{display:inline-block;margin-left:7px;font-size:11px;color:#92400e;background:#fef3c7;border:1px solid #fde68a;padding:2px 8px;border-radius:999px;font-weight:900;vertical-align:middle}
.how-body .tools-used-list{margin-top:2px}
.how-body .prompt-box{margin:2px 0 0}
.how-body .task-panel{margin-top:2px}
.how-arrow{justify-self:center;color:var(--cyan);font-size:20px;font-weight:900;line-height:1;padding:5px 0}
@media(max-width:760px){.how-step{grid-template-columns:30px 1fr;gap:10px;padding:13px}.how-num{width:30px;height:30px;font-size:15px}}
/* 画像クリックで拡大（ライトボックス）2026-06-04 */
.screenshot-card img,img.zoomable{cursor:zoom-in}
.lb-overlay{position:fixed;inset:0;z-index:10000;display:none;align-items:center;justify-content:center;background:rgba(7,17,31,.88);padding:24px;cursor:zoom-out}
.lb-overlay.open{display:flex;animation:lb-fade .18s ease}
@keyframes lb-fade{from{opacity:0}to{opacity:1}}
.lb-overlay img{max-width:96vw;max-height:92vh;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.55);background:#fff}
.lb-close{position:fixed;top:16px;right:20px;width:42px;height:42px;border-radius:50%;border:none;background:rgba(255,255,255,.2);color:#fff;font-size:24px;cursor:pointer;line-height:1;display:grid;place-items:center}
.lb-hint{position:fixed;bottom:20px;left:0;right:0;text-align:center;color:rgba(255,255,255,.7);font-size:12px;font-weight:700;pointer-events:none}
/* サンプル写真ブロック（写真がない人向け）2026-06-04 */
.sample-photo{display:flex;gap:14px;align-items:center;margin:10px 0 12px;padding:12px;border:1px dashed var(--cyan,#38bdf8);border-radius:16px;background:linear-gradient(180deg,#f0fdfa,#fff)}
.sample-img{flex:0 0 auto;width:88px;height:auto;border-radius:10px;cursor:zoom-in;box-shadow:0 6px 14px rgba(15,23,42,.14)}
.sample-photo .sp-body{min-width:0}
.sample-photo .sp-body p{margin:0 0 8px;font-size:13px;font-weight:900;color:var(--navy,#07111f);line-height:1.5}
.sample-dl-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 15px;border-radius:999px;background:linear-gradient(135deg,#0891b2,#0d9488);color:#fff;font-size:13px;font-weight:900;text-decoration:none;box-shadow:0 6px 16px rgba(13,148,136,.3);transition:transform .18s,filter .18s}
.sample-dl-btn:hover{transform:translateY(-2px);filter:brightness(1.05)}
@media(max-width:760px){.sample-photo{flex-direction:column;align-items:flex-start}.sample-img{width:120px}}
/* 体験窓(embed)限定: 次へボタンに「ここを押すと次へ」案内 2026-06-05 */
.embed-mode .nav-btn.next{position:relative;overflow:visible}
.embed-mode .nav-btn.next::before{content:"ここを押すと次のスライドへ ↓";position:absolute;left:50%;bottom:calc(100% + 10px);transform:translateX(-50%);white-space:nowrap;background:#1e3a8a;color:#fff;font-size:12px;font-weight:900;padding:7px 13px;border-radius:999px;box-shadow:0 10px 24px rgba(30,58,138,.35);animation:embed-nudge 1.4s ease-in-out infinite;pointer-events:none;z-index:60}
@keyframes embed-nudge{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-4px)}}
/* 共通基礎(Lv0)の進捗バー 2026-06-05 */
.basics-track{display:inline-flex;align-items:center;gap:10px;margin:4px 0 14px;padding:8px 16px;border:1px solid var(--border);border-radius:999px;background:#f0fdf4;font-weight:900;color:#047857;font-size:13px}
.basics-track .bt-dots{display:inline-flex;gap:6px}
.basics-track .bt-dots i{width:10px;height:10px;border-radius:999px;background:#cbd5e1}
.basics-track .bt-dots i.on{background:linear-gradient(135deg,#06c755,#38bdf8)}