.teacher-page{max-width:1440px;margin:auto;color:#25365e}.teacher-page h1,.teacher-page h2,.privacy-visual h2{font-family:system-ui,-apple-system,sans-serif;font-weight:720;letter-spacing:-.055em;line-height:1.06}.teacher-page h1{font-size:clamp(42px,5.1vw,78px);margin:20px 0 28px}.teacher-page h2,.privacy-visual h2{font-size:clamp(34px,4vw,60px);margin:18px 0 25px}.teacher-page h3{font-size:24px;letter-spacing:-.025em;line-height:1.25}.teacher-page p,.privacy-visual p{font-size:18px;line-height:1.7;color:#5c6b80;max-width:52ch}.teacher-page em{font-style:normal;color:#6d50a7}.tp-hero{display:grid;grid-template-columns:1fr 1.1fr;align-items:center;gap:30px;padding:70px 0 100px}.tp-hero img{width:100%;height:auto;filter:drop-shadow(0 22px 18px #25365e08)}.tp-hero .actions{gap:20px;align-items:center}.tp-hero small{display:block;margin-top:22px;color:#61708b}.tp-section-heading{text-align:center;margin-bottom:48px}.tp-section-heading p{margin-inline:auto}.tp-tour{padding:75px clamp(20px,4vw,65px);background:#fff;border-radius:32px}.tp-tour-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px;align-items:center}.tp-step-buttons{display:flex;gap:8px;flex-wrap:wrap}.tp-step-buttons button{background:#f1eef7;color:#554574;border:2px solid transparent;padding:12px}.tp-step-buttons button span{display:block;font-size:11px;margin-bottom:4px}.tp-step-buttons button[aria-pressed=true]{background:#293b64;color:white;border-color:#a5b8e1}.tp-step-buttons button[aria-pressed=true]:after{content:' ✓'}.tp-step-copy{min-height:215px}.tp-tour small{font-size:12px;color:#63718a}.tp-classroom{margin:0;background:#18283c;border:1px solid #31435d;border-radius:20px;overflow:hidden;box-shadow:0 24px 50px #26365d18;color:#fff}.tp-room-top{display:flex;justify-content:space-between;padding:16px 20px;font-size:12px;border-bottom:1px solid #ffffff22;gap:8px}.tp-room-top span:last-child{color:#bdcbea}.tp-room-body{padding:20px}.tp-mini-video{background:#e9edf5;border-radius:10px;width:140px;position:relative;margin-bottom:18px;overflow:hidden}.tp-mini-video img{width:100%;display:block}.tp-mini-video span{display:block;background:#263b59;color:white;font-size:10px;padding:4px 9px}.tp-board{min-height:305px;background:#f7f5fb;border-radius:12px;padding:24px;color:#293b64}.tp-board-label{font-size:10px;font-weight:800;letter-spacing:1.5px}.tp-search{background:white;border:1px solid #d8dfeb;border-radius:10px;padding:12px;margin:20px 0;font-size:15px}.tp-results{display:grid;gap:8px}.tp-results>div{background:white;border-radius:9px;padding:12px;font-weight:650;font-size:15px}.tp-results small{display:block;margin-top:4px;font-weight:400}.tp-classroom figcaption{padding:14px 20px;font-size:12px;color:#d0dbed}.tp-model{display:grid;justify-items:center;gap:20px;margin:24px 0;text-align:center}.tp-fraction{display:grid;grid-template-columns:1fr 1fr;gap:3px;width:120px;height:120px;border-radius:50%;overflow:hidden;transform:rotate(-8deg)}.tp-fraction i{background:#9165cc}.tp-present{display:inline-block;background:#405e4b;color:white;border-radius:8px;padding:10px 16px;font-size:13px}.tp-annotation{font-size:24px;text-align:center;color:#7352a9}.tp-feature{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:clamp(35px,8vw,120px);padding:120px 20px}.tp-drawing{background:#eef0fb;border-radius:50% 40% 45% 35%;padding:60px 25px;display:grid;justify-items:center;gap:30px}.tp-dot-groups{display:flex;gap:16px}.tp-dot-groups>div{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:15px;border:2px solid #bba6da;border-radius:20px}.tp-dot-groups i{width:20px;height:20px;background:#8d64c6;border-radius:50%}.tp-drawing strong{font-size:38px}.tp-drawing small{color:#5c6b80;text-align:center}.tp-pencil-line{width:120px;height:6px;background:#e8bb5b;transform:rotate(-5deg);border-radius:50%}.tp-details{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:65px 5%;background:#e7eff6;border-radius:32px}.tp-detail-list article+article{border-top:1px solid #cbd7e5;padding-top:20px;margin-top:26px}.tp-next{text-align:center;padding:110px 20px 65px}.tp-next p{margin-inline:auto}.tp-next .tp-small{font-size:14px;max-width:66ch;margin-top:30px}.privacy-visual{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:35px;margin:35px 0 65px}.privacy-visual img{width:100%;height:auto}.privacy-facts{display:grid;gap:13px;margin-top:28px;font-size:14px;color:#3e5d50}.privacy-facts span:before{content:'✓';display:inline-block;margin-right:10px;font-weight:bold}.info-page:has(.privacy-visual){max-width:1200px}.info-page:has(.teacher-page){max-width:none}.teacher-page a:focus-visible,.teacher-page button:focus-visible{outline:3px solid #b77d23;outline-offset:5px}
@media(max-width:850px){.tp-hero,.tp-tour-grid,.tp-feature,.tp-details,.privacy-visual{grid-template-columns:1fr}.tp-hero{padding:30px 0 50px;gap:10px}.tp-hero img{max-width:640px;margin:auto}.tp-tour{padding:45px 18px}.tp-tour-grid{gap:22px}.tp-step-copy{min-height:0}.tp-feature{padding:70px 0;gap:25px}.tp-feature>div:last-child{grid-row:1}.tp-details{padding:35px 22px;gap:10px}.tp-next{padding:65px 0 30px}.tp-room-body{padding:12px}.tp-board{padding:18px;min-height:305px}.privacy-visual{gap:10px;margin-bottom:35px}.tp-dot-groups{gap:8px}.tp-dot-groups>div{padding:12px;gap:8px}.teacher-page p,.privacy-visual p{font-size:17px}}
.tp-mini-video img{height:auto;aspect-ratio:3/2;object-fit:contain}.tp-room-body{min-width:0}.tp-tour-grid>*{min-width:0}