/* Chapter 11 additions: preserve the approved interactive line diagrams. */
.yaritori-lesson .yaritori-sequence{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;width:100%}
.yaritori-lesson .yaritori-sequence a{display:flex;align-items:center;justify-content:center;min-height:44px;padding:8px 14px;border:1px solid #b9cdc5;border-radius:10px;background:#fffefa;font-size:14px;text-decoration:none}
.yaritori-lesson .yaritori-sequence a:hover{background:#edf4ed}
.yaritori-group{scroll-margin-top:20px}
.yaritori-group .group-lead{font-size:15px;line-height:1.8;color:#586f69;margin:0 0 14px}
.yaritori-group .lesson-art{flex-basis:82px;width:82px;height:94px}
.yaritori-group .lesson-meta{font-size:13px;letter-spacing:0}
.yaritori-group .level{font-size:12px}
.yaritori-group .lesson-description{font-size:14px}
@media(max-width:520px){.yaritori-group .lesson-art{flex-basis:64px;width:64px;height:80px}.yaritori-group .lesson-card{gap:12px;padding:16px 14px}.yaritori-lesson .yaritori-sequence a{flex:1 1 135px}.yaritori-lesson .yaritori-sequence a:nth-child(2){order:1;flex-basis:100%}}

#chapter11-practice-entry .practice-set{border-top:1px solid #cedfd5;margin-top:22px;padding-top:18px}#chapter11-practice-entry .practice-set h3{font-size:20px;font-weight:600;margin:0 0 8px;color:#366c61}#chapter11-practice-entry .practice-set p{font-size:15px;line-height:1.85}#yaritori-practice-entry{scroll-margin-top:24px}.yaritori-lesson .lesson-practice-link{display:flex;justify-content:center;flex-wrap:wrap;gap:5px 14px;margin:20px 0 6px;font-size:14px}.yaritori-lesson .lesson-practice-link a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 14px;border:1px solid #b9cdc5;border-radius:10px;background:#fffefa;text-decoration:none}.yaritori-lesson .lesson-practice-link a:hover{background:#edf4ed}@media print{.yaritori-lesson .lesson-practice-link{display:none!important}}