.hiragana-detail>h1{margin:24px 0 16px;font-size:clamp(1.5rem,3vw,2rem)}
.hiragana-stages{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:30px 0}
.hiragana-stage{display:flex;flex-direction:column;align-items:stretch;gap:14px;padding:18px;background:#fff;border:1px solid #e1e5e8;border-radius:16px;min-width:0}
.hiragana-stage h2{display:flex;flex-direction:column;gap:8px;min-height:4.4em;font-size:1.1rem;margin:0;line-height:1.6}
.hiragana-stage h2 span{font-size:.85rem;color:#607477}
.hiragana-preview{display:block;border:1px solid #e5e7eb;background:white}
.hiragana-preview img{display:block;width:100%;height:auto}
.hiragana-stage .button{font-size:.9rem;text-align:center;padding:12px 8px}
.hiragana-stage .save-pdf{font-size:.85rem;text-align:center}
@media(max-width:700px){.hiragana-stages{grid-template-columns:1fr;gap:24px}.hiragana-stage h2{min-height:0}.hiragana-stage{max-width:460px;width:100%;box-sizing:border-box;margin:auto}}