/* First-lesson guide: small actions, actual sample content, optional help. */
.kv-easy-start{padding:22px 26px;background:#edf2e7;border-radius:12px;margin:28px 0}.kv-easy-start p{margin:8px 0;line-height:1.65;color:#344d3f}
.kv-easy-jumps{display:flex;flex-wrap:wrap;gap:9px;margin:24px 0 38px}.kv-easy-jumps a{padding:10px 14px;background:#fff;border:1px solid #dce3db;border-radius:7px;color:#245f46;font-size:14px;text-decoration:none;font-weight:650}
.kv-easy-step{scroll-margin-top:24px}.kv-easy-step h3{color:#183b2c;font-size:21px;line-height:1.4;margin:26px 0 12px}
.kv-easy-help{display:grid;gap:10px;margin:22px 0}.kv-easy-help>details,.kv-easy-second-word,.kv-easy-more{border:1px solid #dce3db;border-radius:10px;padding:16px 20px;background:#fff}
.kv-easy-help summary,.kv-easy-second-word>summary,.kv-easy-more>summary{color:#245f46;font-weight:650;cursor:pointer;line-height:1.55}
.kv-easy-help ol,.kv-easy-help ul{padding-left:24px;color:#344d3f;line-height:1.8}.kv-easy-help li{padding-left:5px;margin:9px 0}.kv-easy-help p{font-size:16px}
.kv-easy-deck-tree{display:grid;gap:13px;padding:22px 24px;background:#edf2e7;border-radius:10px;color:#183b2c;line-height:1.6}.kv-easy-deck-tree b{margin-left:20px}
.kv-easy-examples{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:24px 0}.kv-easy-examples>article{min-width:0}.kv-easy-examples h3{font-size:20px;margin:10px 0 16px}.kv-easy-examples>article>p:last-child{font-size:15px}
.kv-easy-card{padding:24px;background:#292929;color:#fff;border-radius:12px;text-align:center;min-width:0}.kv-easy-card>strong{display:block;font-size:55px;line-height:1.35;margin:14px 0 26px}.kv-easy-card p{color:#fff}.kv-easy-card .kv-easy-sentence{font-size:24px;line-height:1.7;margin:16px 0 20px}.kv-easy-card .kv-easy-hint{font-size:16px;color:#c9d2da}
.kv-easy-card summary{display:inline-block;padding:11px 19px;background:#f5cf9d;color:#243f31;border-radius:7px;cursor:pointer;font-weight:700;list-style:none;font-size:15px}.kv-easy-card summary::-webkit-details-marker{display:none}.kv-easy-card summary:focus-visible{outline:3px solid #75b8f0;outline-offset:4px}.kv-easy-answer{border-top:1px solid #69727a;margin-top:22px;padding-top:22px;line-height:1.7}.kv-easy-answer b{font-size:24px}.kv-easy-answer p{font-size:17px;text-align:left}
.kv-easy-second-word{margin:22px 0}.kv-easy-two-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.kv-easy-two-buttons>article{padding:24px;border:1px solid #dce3db;border-radius:12px;background:#fff}.kv-easy-two-buttons b{font-size:23px;color:#183b2c}.kv-easy-two-buttons article:first-child{border-top:4px solid #b75b33}.kv-easy-two-buttons article:last-child{border-top:4px solid #2d684c}.kv-easy-two-buttons p{font-size:16px}
.kv-easy-takeaway{background:#edf2e7;border-radius:10px;padding:20px;font-weight:650}.kv-easy-more{margin:16px 0;font-size:15px;line-height:1.8;color:#52655a}.kv-easy-more a{color:#245f46;text-underline-offset:3px}
@media(max-width:720px){.kv-easy-examples{grid-template-columns:1fr}.kv-easy-start{padding:18px 20px}.kv-easy-help>details,.kv-easy-second-word,.kv-easy-more{padding:14px 16px}.kv-easy-deck-tree{font-size:14px;padding:18px}.kv-easy-jumps a{font-size:13px;padding:9px 11px}}
@media(max-width:430px){.kv-easy-two-buttons{grid-template-columns:1fr}.kv-easy-card{padding:22px 18px}.kv-easy-card .kv-easy-sentence{font-size:21px}}

.kv-easy-audio{display:flex;flex-direction:column;align-items:center;gap:8px;margin:12px 0 22px}.kv-easy-audio button{display:inline-flex;align-items:center;gap:9px;padding:11px 18px;border:1px solid #a9c8df;border-radius:7px;background:#e4f2fd;color:#163d58;font:inherit;font-size:16px;font-weight:650;cursor:pointer;min-height:44px}.kv-easy-audio button:hover{background:#cfe8fa}.kv-easy-audio button:focus-visible{outline:3px solid #f5cf9d;outline-offset:4px}.kv-easy-audio-status{color:#d4dce3;font-size:13px;line-height:1.5;max-width:100%}.kv-easy-audio-status:empty{display:none}