.kiemai-home-intro{display:block}.kiemai-home-intro>a{display:inline;color:var(--brand);font-weight:700;text-decoration:none;margin-left:.2em}.kiemai-home-intro>a:hover{text-decoration:underline}.kiemai-home-intro>a:focus-visible{outline:3px solid rgba(21,94,239,.25);outline-offset:3px;border-radius:4px}
.kiemai-intro-ai-sheet[hidden]{display:none}.kiemai-intro-ai-sheet{position:fixed;inset:0;z-index:10020;visibility:hidden;pointer-events:none}.kiemai-intro-ai-sheet.is-mounted{visibility:visible;pointer-events:auto}.kiemai-intro-ai-sheet__overlay{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;background:rgba(15,23,42,.48);opacity:0;transition:opacity .22s ease}.kiemai-intro-ai-sheet__dialog{position:absolute;left:0;right:0;bottom:0;display:flex;flex-direction:column;max-height:94dvh;border-radius:24px 24px 0 0;background:var(--surface);box-shadow:0 -18px 50px rgba(15,23,42,.18);transform:translate3d(0,100%,0);transition:transform .3s cubic-bezier(.22,1,.36,1);overflow:hidden}.kiemai-intro-ai-sheet.is-open .kiemai-intro-ai-sheet__overlay{opacity:1}.kiemai-intro-ai-sheet.is-open .kiemai-intro-ai-sheet__dialog{transform:translate3d(0,0,0)}
.kiemai-intro-ai-sheet__header{position:relative;z-index:2;display:grid;grid-template-columns:44px minmax(0,1fr) 44px;align-items:center;gap:8px;min-height:76px;padding:16px 14px 12px;border-bottom:1px solid var(--line);background:var(--surface)}.kiemai-intro-ai-sheet__handle{position:absolute;top:7px;left:50%;width:42px;height:5px;border-radius:99px;background:var(--line);transform:translateX(-50%)}.kiemai-intro-ai-sheet__heading{grid-column:2;text-align:center;min-width:0}.kiemai-intro-ai-sheet__heading h2{margin:0;font-size:1.08rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.kiemai-intro-ai-sheet__heading p{margin:3px 0 0;color:var(--muted);font-size:.78rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.kiemai-intro-ai-sheet__back,.kiemai-intro-ai-sheet__close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:50%;background:var(--soft);color:var(--ink)}.kiemai-intro-ai-sheet__back{grid-column:1}.kiemai-intro-ai-sheet__back svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.kiemai-intro-ai-sheet__close{grid-column:3;font-size:1.75rem;line-height:1}.kiemai-intro-ai-sheet__body{overflow:auto;overscroll-behavior:contain;padding:16px 16px calc(28px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch}.kiemai-intro-ai-sheet__list{display:grid;gap:10px}.kiemai-intro-ai-lesson{min-height:78px;display:grid;grid-template-columns:38px minmax(0,1fr) 22px;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--ink);text-decoration:none}.kiemai-intro-ai-lesson:hover{border-color:rgba(21,94,239,.32);background:#f8faff}.kiemai-intro-ai-lesson:focus-visible{outline:3px solid rgba(21,94,239,.22);outline-offset:2px}.kiemai-intro-ai-lesson__number{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--soft);color:var(--brand);font-weight:800}.kiemai-intro-ai-lesson__text{display:grid;gap:4px;min-width:0}.kiemai-intro-ai-lesson__text strong{font-size:.98rem}.kiemai-intro-ai-lesson__text small{color:var(--muted);font-size:.82rem;line-height:1.4}.kiemai-intro-ai-lesson__chevron{width:20px;height:20px;fill:none;stroke:#98a2b3;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.kiemai-intro-ai-sheet__loading,.kiemai-intro-ai-sheet__error{padding:34px 12px;text-align:center;color:var(--muted)}.kiemai-intro-ai-sheet__detail .kiemai-page-title{display:none}.kiemai-intro-ai-sheet__detail>:first-child{margin-top:0}
html.kiemai-intro-ai-open,body.kiemai-intro-ai-open{overflow:hidden;overscroll-behavior:none}@media(min-width:800px){.kiemai-intro-ai-sheet__dialog{left:50%;right:auto;width:min(820px,calc(100% - 40px));max-height:92vh;transform:translate3d(-50%,100%,0);border-radius:24px}.kiemai-intro-ai-sheet.is-open .kiemai-intro-ai-sheet__dialog{transform:translate3d(-50%,0,0)}}@media(prefers-reduced-motion:reduce){.kiemai-intro-ai-sheet__overlay,.kiemai-intro-ai-sheet__dialog{transition:none}}