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var(--line);transform:translate(2px,2px)}.player-btn[disabled]{opacity:.3;box-shadow:none;cursor:default;transform:none}.player-btn,.player-full{-webkit-user-select:none;user-select:none}.player-btn.to-next{background:var(--navy);box-shadow:3px 3px 0 var(--line), 0 0 0 4px var(--yellow), 0 0 0 7px var(--line)}.screen-done .btn[hidden],.player:not(.is-js) .player-ctl,.player:not(.is-js) .player-full{display:none}.player.is-full{z-index:60;box-shadow:none;padding:12px;padding-top:max(12px, env(safe-area-inset-top));padding-bottom:max(12px, env(safe-area-inset-bottom));border:0;border-radius:0;flex-direction:column;margin:0;display:flex;position:fixed;inset:0}.player.is-full .player-stage{flex:1;height:auto;display:flex;overflow:auto}.player.is-full .screen.on{flex:1;height:auto;min-height:0}html.player-open{overflow:hidden}@media (width>=720px){.player{padding:16px}}.more{border:3px solid var(--line);background:var(--card);border-radius:8px;margin:24px 0 0;padding:0 16px}.more summary{cursor:pointer;padding:16px 0;font-weight:700;list-style:none}.more summary::-webkit-details-marker{display:none}.more summary:after{content:"＋";float:right;font-weight:900}.more[open] summary:after{content:"－"}.more[open] summary{border-bottom:3px solid var(--line);margin-bottom:16px}.more .tbl,.more .note{margin-bottom:16px}.more pre{white-space:pre-wrap;word-break:break-word;margin:0 0 16px;font-family:inherit;font-size:1rem;line-height:1.8}.screen-copy{justify-items:center;gap:8px;margin:8px 0 0;display:grid}.screen-copy .copied{text-align:center;min-height:40px;margin:0}.screen-copy pre[hidden]{display:none}.screen-copy pre{text-align:left;white-space:pre-wrap;word-break:break-word;border:2px solid var(--line);background:#fff;border-radius:8px;width:100%;max-height:200px;margin:0;padding:12px;font-family:inherit;font-size:.875rem;line-height:1.8;overflow:auto}@media (prefers-reduced-motion:reduce){.player.is-js .screen.on{animation:none}}.hero-diag{max-width:640px;margin:16px auto 0}.diag{border:2px solid var(--line-soft);background:var(--card);border-radius:24px;padding:20px 16px}.diag-kicker{color:var(--muted);text-align:center;margin:0;font-size:.875rem;font-weight:900}.diag-title{text-align:center;margin:4px 0 0;font-size:1.5rem}.diag-sub{text-align:center;color:var(--muted);margin:4px 0 12px;font-size:.875rem;font-weight:700}.diag-label{color:var(--muted);margin:12px 0 0;font-size:.875rem;font-weight:900}.diag-text{margin:4px 0 12px;font-size:1.125rem;font-weight:700;line-height:1.6}.diag-opts{gap:8px;display:grid}.diag-opt{text-align:left;width:100%;font:inherit;border:3px solid var(--line);background:var(--card);min-height:48px;color:var(--text);box-shadow:3px 3px 0 var(--line);cursor:pointer;border-radius:16px;padding:12px 16px;font-size:1rem;font-weight:700;display:block}.text-btn{font:inherit;color:var(--accent);text-underline-offset:4px;cursor:pointer;background:0 0;border:0;min-height:44px;padding:12px 0;font-weight:700;text-decoration:underline}.diag-ai{margin:0;font-size:2rem;font-weight:900;line-height:1.2}.diag-line{margin:4px 0 0;font-size:1.125rem;font-weight:700;line-height:1.6}.diag-reason{margin:8px 0 0;font-size:1rem;line-height:1.8}.diag-path{gap:8px;margin:8px 0 0;padding:0;list-style:none;display:grid}.diag-path li{grid-template-columns:28px minmax(0,1fr);align-items:start;gap:8px;display:grid}.diag-path .n,.n-circle{border:2.5px solid var(--line);background:var(--yellow);border-radius:50%;place-items:center;width:28px;height:28px;font-size:.875rem;font-weight:900;display:grid}.diag-path b{line-height:1.6;display:block}.diag-path span{color:var(--muted);font-size:.875rem;display:block}.diag-acts{flex-wrap:wrap;align-items:center;gap:12px;margin-top:12px;display:flex}.diag .btn{width:100%;margin-top:4px}.diag .btn.ghost{width:auto}.card .n-circle{margin-bottom:8px}h2.two{text-align:center;margin:0 0 16px;line-height:1.4}.chip.is-on{background:var(--navy);color:#fff;border-color:var(--navy)}#ai-filter{margin:0 0 16px}.spbar{display:none}@media (width<=719px){.spbar{z-index:40;display:inline-flex;position:fixed;bottom:12px;left:16px;right:16px}.has-spbar{padding-bottom:96px}.guide{width:min(44vw,180px);margin-top:12px}}.spbar.is-off{display:none}.now-card{background:var(--yellow)}.now-card .now-k{color:#4a463f;margin:0 0 4px;font-size:.875rem;font-weight:900}.now-card h3{margin:0 0 8px;font-size:1.5rem}.now-card .btn{margin-top:12px}.sec{padding:64px 0 0}@media (width>=720px){.sec{padding:88px 0 0}}.sec h2{margin-bottom:16px}.cards{gap:24px;margin-top:32px}.card{box-shadow:none;background:0 0;border:0;padding:0}.card.soon{background:var(--alt);border:0;border-radius:8px;padding:20px}a.card{box-shadow:none;background:var(--card);border:0;border-radius:16px;padding:20px;transition:transform .15s,box-shadow .15s}a.card:hover{transform:translateY(-2px);box-shadow:0 8px 20px #3c28141a}a.card:active{box-shadow:none;transform:none}.sec.alt a.card{background:var(--card)}.lessons{gap:8px}.lesson-row{box-shadow:none;background:var(--card);border:0;border-radius:16px;padding:16px;transition:transform .15s,box-shadow .15s}.lesson-row:hover{transform:translateY(-2px);box-shadow:0 8px 20px #3c28141a}.lesson-row:active{box-shadow:none;transform:none}.diag{background:var(--card);border:0;padding:24px 20px}.diag-opt{border:2px solid var(--line);box-shadow:none}.diag-opt:hover{background:var(--yellow)}.diag-opt:active{box-shadow:none;transform:none}.band{border:0}.now-card{background:var(--yellow);border:0;border-radius:16px;padding:20px}.shopcard{background:0 0;border:0;padding:0}.cta-box{box-shadow:none;border:0}.tbl{border:0}.tbl tr+tr th,.tbl tr+tr td{border-top:1px solid var(--line-soft)}.tbl th+td{border-left:1px solid var(--line-soft)}.faq details{border:0;border-bottom:1px solid var(--line-soft);background:0 0;border-radius:0}.faq details+details{margin-top:0}.faq details[open] summary{border-bottom:0}.faq summary{padding:20px 48px 20px 0}.faq .a{padding:0 48px 20px 0}.more{border:0;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:0 0;border-radius:0;padding:0}.more[open] summary{border-bottom:1px solid var(--line-soft)}.sec.alt{background:0 0}.tag{background:var(--card);border:2px solid var(--line-soft);color:var(--text)}.tag.b{background:var(--card);color:var(--text)}.chip:hover{background:var(--alt);color:var(--text)}.tbl th{background:var(--alt)}.band{border:0;border-left:3px solid var(--line);color:var(--text);background:0 0;border-radius:0;padding:4px 0 4px 16px}.card.soon{border:2px dashed var(--line-soft);background:0 0}.flow .card{text-align:center;align-items:center;position:relative}.flow .n-circle{border-width:3px;width:40px;height:40px;font-size:1rem}.flow .card p{max-width:22em}.flow .card+.card:before{content:"↓";text-align:center;color:var(--accent);margin:-8px 0 8px;font-size:1.5rem;font-weight:900;line-height:1;display:block}@media (width>=720px){.flow{gap:40px}.flow .card+.card:before{content:"→";text-align:center;width:24px;margin:0;position:absolute;top:8px;left:-32px}}.two+.course-meta,.center{text-align:center}.chips.center{justify-content:center}.speech{box-shadow:none}.formbox{border:2px solid var(--line-soft);box-shadow:none}.prog .bar{background:var(--line-soft);border:0;height:12px}.prog .bar span{background:var(--navy)}.prompt .ttl{background:var(--alt);color:var(--text);border-bottom:1px solid var(--line-soft)}.checklist label{background:var(--card);border:0;border-radius:16px}.trouble{gap:0}.trouble div{border:0;border-bottom:1px solid var(--line-soft);background:0 0;border-radius:0;padding:12px 0}.check{gap:0}.check li{border:0;border-bottom:1px solid var(--line-soft);background:0 0;border-radius:0;padding:12px 0}.screen-demo .kicker{text-align:center}.post-body>:first-child{margin-top:0}.post-body h2{margin:48px 0 16px}.post-body h3{margin:32px 0 8px;font-size:1.125rem}.post-body ul,.post-body ol{margin:0 0 1em;padding-left:24px}.post-body li{margin:0 0 8px}.post-body a{color:var(--accent);text-underline-offset:4px;font-weight:700;text-decoration:underline 2px}.post-body blockquote{border-left:3px solid var(--line-soft);color:var(--muted);margin:24px 0;padding-left:16px}.post-body img{border-radius:16px}.post-body hr{border:0;border-top:1px solid var(--line-soft);margin:32px 0}.post-body code{background:var(--alt);border-radius:8px;padding:0 4px;font-family:inherit}.post-body pre{background:var(--alt);border-radius:8px;padding:16px;overflow-x:auto}.post-body pre code{background:0 0;padding:0}.post-body table{border-collapse:collapse;width:100%;margin:0 0 1em}.post-body th,.post-body td{text-align:left;border-bottom:1px solid var(--line-soft);padding:12px 0}