/* Speaker feedback, 2026-09-14. Preserve complete source photos. */
.hero h1{font-size:clamp(40px,4.1vw,59px)}
.hero-visual{aspect-ratio:auto;border-radius:32px;background:#f4d7e1;overflow:hidden}
.hero-visual>img{height:auto;aspect-ratio:3/2;object-fit:contain}
.photo-caption{position:static;background:#fff1f6;border-top:1px solid var(--line);border-radius:0;padding:18px 24px}
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.problem-grid article{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:white}
.problem-grid img{width:100%;height:235px;object-fit:contain;background:#f3e9e9}
.problem-grid article>div{padding:25px}.problem-grid .eyebrow{display:block;margin-bottom:12px}
.problem-grid p,.learning-proof p{font-size:14px;color:var(--muted);margin-top:14px}
.technique{grid-template-columns:.9fr 1.1fr;align-items:center}
figure{margin:0}.technique-media{background:#f4e6e8;padding:20px;height:100%;display:flex;flex-direction:column;justify-content:center;gap:14px}
.technique-media img{max-height:440px;width:100%;height:auto;object-fit:contain}
figcaption{font-size:11px;line-height:1.5;color:var(--muted);padding:12px 4px}
.technique-media figcaption{text-align:center}
.proof-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.proof-grid figure{padding:16px;border:1px solid var(--line);border-radius:16px;background:white}.proof-grid img{width:100%;height:auto}
.teacher-stats{display:flex;gap:28px;margin:28px 0;padding:20px 0;border-block:1px solid var(--line)}.teacher-stats>div{flex:1}.teacher-stats strong{display:block;font-family:Georgia,serif;font-size:38px;color:var(--rose)}.teacher-stats span{display:block;font-size:12px;line-height:1.5;color:var(--muted)}
.learning-proof{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding-bottom:100px;align-items:start}.learning-proof>figure{padding:12px;background:#f9e8ee;border-radius:16px}.learning-proof>figure img{width:100%;height:auto;border-radius:8px}.learning-proof h2{font-size:38px}.theory-preview{max-height:260px;width:100%;object-fit:contain;margin-top:22px;background:white;border:1px solid var(--line);border-radius:12px;padding:12px}.learning-proof .certificate{color:var(--rose);font-weight:bold;border-top:1px solid var(--line);padding-top:20px}
@media(max-width:760px){.hero{gap:16px}.hero h1{font-size:clamp(33px,8.4vw,47px);grid-row:2}.hero .eyebrow{font-size:8px;letter-spacing:1.1px}.hero-visual{grid-row:3;height:auto;border-radius:22px}.hero-action{grid-row:4}.hero .intro{grid-row:5;margin-top:2px;font-size:14px}.photo-caption{padding:10px 16px;font-size:10px}.photo-caption .round-arrow{width:30px;height:30px}.hero .micro{margin-top:8px}.problem-grid,.proof-grid,.learning-proof{grid-template-columns:1fr}.problem-grid{gap:18px}.problem-grid img{height:220px}.problem-grid article>div{padding:22px}.technique{grid-template-columns:1fr}.technique-media{padding:16px;min-height:0}.technique-media img{max-height:330px}.technique-media figcaption{padding:0}.learning-proof{gap:32px;padding-bottom:60px}.learning-proof h2{font-size:33px}.teacher-stats{gap:16px}.teacher-stats strong{font-size:32px}.proof-grid{gap:18px}}