[hidden]{display:none!important}
.practice-kind-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0 0 16px}.practice-kind-card{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:18px;padding:13px 16px;box-shadow:0 6px 18px rgba(80,67,124,.06)}.practice-kind-card.is-current{border:2px solid var(--purple);background:var(--purple-soft)}.practice-kind-icon{font-size:26px}.practice-kind-card strong,.practice-kind-card small{display:block}.practice-kind-card strong{font-size:16px;font-weight:900}.practice-kind-card small{margin-top:3px;color:var(--muted);font-size:12px;font-weight:700}
.character-grid.is-kana-grid{grid-template-columns:repeat(5,1fr)!important}.character-grid.is-number-grid{display:block;max-height:610px;overflow:auto}.character-placeholder{aspect-ratio:1;display:block}.number-zero-section{display:grid;grid-template-columns:1fr 54px;align-items:center;gap:10px;padding:2px 2px 12px;margin-bottom:10px;border-bottom:1px dashed #e3def0}.number-zero-label{font-size:12px;color:var(--muted);font-weight:900}.number-zero-section .zero-button{width:54px;aspect-ratio:1}.number-sequence-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.number-button{font-size:15px;letter-spacing:-.02em}.number-button.is-done::after{font-size:8px}
.overall-stroke-guide{width:min(100%,560px);margin:12px auto 14px;padding:10px 14px 12px;background:#fbfaff;border:1px solid #e9e4ff;border-radius:18px;text-align:center}.overall-stroke-heading{display:flex;align-items:center;justify-content:center;gap:10px;color:#6255bd;font-size:13px}.overall-stroke-heading strong{font-size:15px}.overall-stroke-stage{width:150px;height:150px;margin:2px auto}.overall-stroke-stage svg{display:block;width:100%;height:100%}.overall-stroke-stage .stroke-loading,.overall-stroke-stage .stroke-fallback,.overall-stroke-stage .stroke-empty{height:100%;display:grid;place-items:center;color:var(--muted);font-size:12px}.overall-stroke-stage .stroke-fallback strong{font-size:60px;display:block}.stroke-replay-mini{border:0;background:#eee9ff;color:#5d4ed0;border-radius:999px;padding:7px 13px;font-weight:900;font-size:12px;cursor:pointer}
.writing-board[data-category="numbers"] .guide-character{font-size:clamp(96px,24vw,210px);letter-spacing:-.08em}.writing-board[data-category="numbers"] .free-sample{font-size:30px;width:auto;min-width:62px;padding:0 9px}.writing-board[data-category="numbers"] .board-grid{opacity:.8}
@media(max-width:820px){.practice-kind-nav{grid-template-columns:1fr}.character-grid.is-kana-grid{grid-template-columns:repeat(5,1fr)!important}.number-sequence-grid{grid-template-columns:repeat(5,1fr)}.number-button{font-size:14px}.overall-stroke-stage{width:135px;height:135px}}
@media(max-width:520px){.practice-kind-card{padding:11px 12px}.practice-kind-icon{font-size:22px}.practice-kind-card strong{font-size:14px}.character-grid.is-kana-grid{grid-template-columns:repeat(5,1fr)!important}.number-sequence-grid{grid-template-columns:repeat(5,1fr);gap:6px}.number-button{font-size:13px}.number-zero-section{grid-template-columns:1fr 48px}.number-zero-section .zero-button{width:48px}.overall-stroke-guide{padding:8px 10px 10px}.overall-stroke-stage{width:120px;height:120px}.writing-board[data-category="numbers"] .guide-character{font-size:clamp(82px,26vw,150px)}}