.builder-help-box{margin:18px 0 28px;border:1px solid rgba(25,83,84,.18);border-radius:16px;background:#fffdf8;overflow:hidden}.builder-help-box summary{cursor:pointer;padding:16px 18px;font-weight:700;color:#174f50;list-style:none}.builder-help-box summary::-webkit-details-marker{display:none}.builder-help-box summary:after{content:'＋';float:right;font-weight:400}.builder-help-box[open] summary:after{content:'−'}.builder-help-content{padding:0 18px 18px;color:#355b5c;line-height:1.6}.builder-help-content ol{padding-left:22px}.builder-text-media,.builder-html-help{margin:16px 0;padding:16px;border:1px solid rgba(25,83,84,.14);border-radius:14px;background:#fbfaf6}.builder-image-options{display:grid;grid-template-columns:1fr 1fr;gap:14px}.builder-html-chip{margin-top:10px;padding:10px 12px;border-radius:12px;background:#f2f0fb;color:#5e4c82;font-size:.9rem}.builder-text-images,.preview-text-images{display:flex;flex-direction:column;gap:14px;margin:18px 0}.builder-text-images figure,.preview-text-images figure{margin:0}.builder-text-images img,.preview-text-images img{display:block;height:auto;border-radius:14px}.builder-text-images figcaption,.preview-text-images figcaption{margin-top:7px;font-size:.86rem;color:#6c7772}.builder-text-images.align-left,.preview-text-images.align-left{align-items:flex-start}.builder-text-images.align-center,.preview-text-images.align-center{align-items:center}.builder-text-images.align-right,.preview-text-images.align-right{align-items:flex-end}.builder-text-images.size-small img,.preview-text-images.size-small img{width:min(42%,360px)}.builder-text-images.size-medium img,.preview-text-images.size-medium img{width:min(72%,680px)}.builder-text-images.size-large img,.preview-text-images.size-large img{width:100%}.preview-content-block{margin:0 0 26px}.preview-content-kind{font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:#7f556d;font-weight:700;margin-bottom:6px}.preview-rich-text{white-space:normal;line-height:1.75}.preview-html-frame{display:block;width:100%;min-height:680px;border:1px solid rgba(25,83,84,.16);border-radius:16px;background:white}.builder-help-content strong{color:#164d4e}@media(max-width:720px){.builder-image-options{grid-template-columns:1fr}.builder-text-images.size-small img,.preview-text-images.size-small img{width:70%}.builder-text-images.size-medium img,.preview-text-images.size-medium img,.builder-text-images.size-large img,.preview-text-images.size-large img{width:100%}.preview-html-frame{min-height:520px}.builder-help-box summary{padding:14px 15px}.builder-help-content{padding:0 15px 15px}}
/* === SYNESIA LESSON GUIDE === */
.synesia-lesson-guide{display:grid;gap:16px;margin:4px 0 8px;color:#243e3f}.synesia-lesson-guide .slg-hero{padding:22px 24px;border-radius:18px;background:linear-gradient(135deg,#e7f5f2,#fffaf0);border:1px solid rgba(23,75,91,.14);border-left:6px solid #1e7274}.synesia-lesson-guide .slg-hero strong{display:block;color:#7a3652;font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;margin-bottom:7px}.synesia-lesson-guide .slg-hero p{margin:0;line-height:1.7;font-size:1.03rem}.synesia-lesson-guide .slg-card{padding:18px 20px;border-radius:16px;border:1px solid rgba(23,75,91,.12);background:#fff}.synesia-lesson-guide .slg-card h4{margin:0 0 10px;color:#174b5b;font-size:1.05rem}.synesia-lesson-guide .slg-card p{margin:.4rem 0;line-height:1.7}.synesia-lesson-guide .slg-card ul,.synesia-lesson-guide .slg-card ol{margin:.65rem 0 .2rem;padding-left:1.35rem;display:grid;gap:.42rem}.synesia-lesson-guide .slg-aqua{background:#f0faf8;border-left:5px solid #3aa7a3}.synesia-lesson-guide .slg-wine{background:#fcf5f7;border-left:5px solid #7a3652}.synesia-lesson-guide .slg-gold{background:#fff9ea;border-left:5px solid #b9934b}.synesia-lesson-guide .slg-check{background:#f5f8f5;border-left:5px solid #56796e}.synesia-lesson-guide .slg-step{display:grid;grid-template-columns:36px 1fr;gap:12px;align-items:start;padding:10px 0;border-bottom:1px solid rgba(23,75,91,.09)}.synesia-lesson-guide .slg-step:last-child{border-bottom:0}.synesia-lesson-guide .slg-step b{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#174b5b;color:white;font-size:.86rem}.synesia-lesson-guide .slg-code{display:inline-block;padding:.34rem .58rem;border-radius:8px;background:#174b5b;color:#fff;font-weight:700;letter-spacing:.01em}.synesia-lesson-guide .slg-remember{padding:16px 18px;border-radius:14px;background:#174b5b;color:#fff;text-align:center;font-weight:700;line-height:1.5}.synesia-lesson-guide .slg-next{color:#7a3652;font-weight:700}.synesia-lesson-guide .slg-checklist{list-style:none;padding-left:0}.synesia-lesson-guide .slg-checklist li:before{content:'✓';display:inline-block;margin-right:.6rem;color:#1e7274;font-weight:800}@media(max-width:700px){.synesia-lesson-guide .slg-hero,.synesia-lesson-guide .slg-card{padding:16px}.synesia-lesson-guide .slg-step{grid-template-columns:30px 1fr}.synesia-lesson-guide .slg-step b{width:28px;height:28px}}
/* === END SYNESIA LESSON GUIDE === */