.discover-suirodoku{width:100%;max-width:969px;margin:20px auto 0;padding:60px 50px;box-sizing:border-box;font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:#fff;border-radius:28px;box-shadow:0 4px 40px rgba(0,0,0,.06);opacity:0;transition:opacity .5s ease-out}
.discover-suirodoku.visible{opacity:1}
.discover-emoji{width:32px;height:32px;vertical-align:middle;flex-shrink:0}
.discover-emoji.emoji-title{width:48px;height:48px;margin-right:14px}
.discover-emoji.emoji-highlight{width:36px;height:36px;margin-right:8px}
.discover-hero{text-align:center;padding:0 20px 55px;border-bottom:1px solid #d1d5db;margin-bottom:55px}
.discover-title{font-size:32px;font-weight:800;color:#1f2937;margin:0 0 20px 0;letter-spacing:-.02em}
.discover-tagline{font-size:24px;font-weight:400;color:#6b7280;line-height:1.5;margin:0}
.discover-tagline-bold{font-size:36px;font-weight:800;color:#1f2937;display:block;margin-top:10px;letter-spacing:-.02em}
.discover-section{display:flex;align-items:flex-start;gap:50px;margin-bottom:55px;padding-bottom:55px;border-bottom:1px solid #d1d5db}
.discover-section:last-of-type{border-bottom:none;margin-bottom:0;padding-bottom:0}
.discover-section.reverse{flex-direction:row-reverse}
.discover-section.full-width{flex-direction:column;text-align:center}
.discover-content{flex:1}
.discover-content h2,.discover-content h3{font-size:26px;font-weight:700;color:#1f2937;margin:0 0 18px 0;display:flex;align-items:center}
.discover-section.full-width h2,.discover-section.full-width h3{justify-content:center;font-size:26px;font-weight:700;color:#1f2937;margin:0 0 18px 0}
.discover-section.full-width>h2,.discover-section.full-width>h3{display:flex;align-items:center;justify-content:center;width:100%}
.discover-content p{font-size:16px;line-height:1.8;color:#4b5563;margin:0;text-align:justify}
.discover-image{flex:0 0 320px;overflow:visible}
.discover-img{width:100%;height:auto;border-radius:16px;box-shadow:0 6px 24px rgba(0,0,0,.08);image-rendering:smooth;-webkit-image-rendering:smooth}
.discover-img.no-shadow{box-shadow:none}
.discover-img-square{width:320px;height:320px;object-fit:cover}
.discover-img-3-2{width:320px;height:213px;object-fit:cover}
.discover-img-4-3{width:320px;height:240px;object-fit:cover}
.discover-img-overlay{width:450px;height:auto;position:relative;z-index:10;margin:-20px -65px;box-shadow:none!important;border-radius:20px}
.discover-img-small{width:100%;height:auto;border-radius:10px;margin:18px 0}
.discover-lazy{background:#f0f0f0;opacity:0;transition:opacity .3s ease}
.discover-loaded{opacity:1}
.discover-rules-list{list-style:none;padding:0;margin:22px 0 0 0}
.discover-rules-list li{display:flex;align-items:center;gap:14px;padding:12px 0;font-size:15px;color:#374151;border-bottom:1px solid #f3f4f6}
.discover-rules-list li:last-child{border-bottom:none;padding-bottom:0}
.rule-icon{font-size:18px;width:28px;text-align:center;flex-shrink:0;color:#6b7280}
.discover-section.discover-rules{padding-bottom:30px;margin-bottom:30px}
.discover-pairs{flex-direction:column;gap:0;position:relative;z-index:1}
.discover-pairs-top{display:flex;align-items:center;gap:50px;width:100%}
.discover-pairs-top .discover-content{flex:1;margin-top:-40px}
.discover-pairs-top .discover-image{flex:0 0 320px;margin-top:-80px;position:relative;z-index:2}
.discover-pairs-top .discover-img-square{width:320px;height:320px}
.discover-highlight{width:100%;font-size:17px;font-weight:600;color:#1e3a8a;padding:12px 24px;background:linear-gradient(135deg,#f0f9ff 0%,#e0f2fe 100%);border:2px solid #3b82f6;border-radius:12px;box-shadow:0 4px 15px rgba(59,130,246,.15);box-sizing:border-box;margin-top:15px;display:flex;align-items:center;justify-content:space-around;flex-wrap:wrap;gap:12px;overflow:visible}
.highlight-item{position:relative;display:flex;align-items:center;padding-left:44px}
.highlight-item .emoji-highlight{position:absolute;left:-12px;top:50%;transform:translateY(-50%);width:56px;height:56px;filter:drop-shadow(0 3px 6px rgba(0,0,0,.15));z-index:2}
.highlight-item span{white-space:nowrap}
.discover-techniques-intro{margin-bottom:35px!important;font-size:16px!important;line-height:1.8;color:#4b5563;text-align:center}
.discover-techniques h3{justify-content:center;text-align:center}
.discover-techniques-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;text-align:left}
.discover-technique-card{padding:28px 24px;background:#fafafa;border-radius:16px;border:1px solid #e5e7eb;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.discover-technique-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.1);border-color:#d1d5db}
.discover-technique-card h3{font-size:18px;font-weight:700;color:#1f2937;margin:0 0 12px 0}
.discover-technique-card p{font-size:15px;line-height:1.7;color:#6b7280;margin:0;text-align:justify}
.technique-link{display:inline-block;margin-top:8px;font-size:14px;font-weight:600;color:#374151;text-decoration:none}
.technique-link:hover{text-decoration:underline}
.technique-img-link{display:block;cursor:pointer}
.technique-img-link img{transition:opacity .2s ease}
.technique-img-link:hover img{opacity:.85}
.discover-cta{margin-top:20px;text-align:center}
.discover-link{display:inline-block;font-size:15px;font-weight:600;color:#3b82f6;text-decoration:none;transition:color .2s ease}
.discover-link:hover{color:#1d4ed8;text-decoration:underline}
.discover-comparison h3{font-size:32px;font-weight:700;color:#1f2937;margin-bottom:44px;text-align:center;justify-content:center}
.comparison-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:28px;align-items:stretch;justify-items:center;max-width:800px;margin:0 auto}
.comparison-card{background:#fff;border-radius:20px;padding:36px 32px;text-align:center}
.comparison-card h3{font-size:24px;font-weight:700;color:#1f2937;margin-bottom:26px}
.comparison-card ul{list-style:none;display:inline-block;text-align:left;padding:0;margin:0}
.comparison-card li{display:flex;align-items:flex-start;gap:12px;padding:13px 0;font-size:16px;line-height:1.5;color:#374151;border-bottom:1px solid #f3f4f6}
.comparison-card li:last-child{border-bottom:none;padding-bottom:0}
.comparison-card li:first-child{padding-top:0}
.comparison-card .check-icon{flex-shrink:0;width:26px;height:26px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:14px;font-weight:600}
.comparison-sudoku{border:1px solid #e5e7eb;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.comparison-sudoku .check-icon{background:#f3f4f6;color:#9ca3af}
.comparison-suirodoku{background:linear-gradient(135deg,#fff 0%,#fafbff 100%);box-shadow:0 6px 30px rgba(99,102,241,.12);border:none;padding:38px 34px;position:relative}
.comparison-suirodoku::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;border-radius:20px;padding:2px;background:conic-gradient(from 0deg,#BEA1E5,#5DB2FF,#64EAE6,#5BD87A,#FFEB6A,#FFBB45,#FF8A7A,#FFA8CB,#BEA1E5);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.comparison-suirodoku .check-icon{background:#dcfce7;color:#16a34a}
.comparison-vs{display:flex;align-items:center;justify-content:center}
.comparison-vs span{font-size:24px;font-weight:700;color:#1f2937}
@media(max-width:900px){.discover-suirodoku{padding:40px 28px;margin:20px}.discover-section{flex-direction:column!important;text-align:center;gap:35px}.discover-pairs-top{flex-direction:column;gap:35px}.discover-content h3{justify-content:center}.discover-content p{text-align:center}.discover-image,.discover-pairs-top .discover-image{flex:none;width:100%;max-width:320px;margin:0 auto}.discover-img-square{width:100%;height:auto;aspect-ratio:1}.discover-img-3-2{width:100%;height:auto;aspect-ratio:3/2}.discover-img-4-3{width:100%;height:auto;aspect-ratio:4/3}.discover-img-overlay{width:100%;max-width:400px;margin:0 auto}.discover-techniques-grid{grid-template-columns:1fr}.discover-technique-card p{text-align:center}.comparison-grid{grid-template-columns:1fr;gap:20px}.comparison-vs{padding:10px 0}.discover-highlight{padding:18px 20px;gap:10px}.highlight-item{padding-left:38px}.highlight-item .emoji-highlight{width:48px;height:48px;left:-10px}}
@media(max-width:600px){.discover-suirodoku{padding:35px 22px;border-radius:22px;margin:20px 16px}.discover-title{font-size:24px}.discover-tagline{font-size:20px}.discover-tagline-bold{font-size:28px}.discover-content h3{font-size:22px}.discover-emoji.emoji-title{width:36px;height:36px;margin-right:10px}.discover-emoji.emoji-highlight{width:36px;height:36px}.discover-highlight{flex-direction:column;align-items:flex-start;padding:20px 24px 20px 50px;gap:8px}.highlight-item{padding-left:0}.highlight-item .emoji-highlight{width:40px;height:40px;left:-42px}.highlight-item span{white-space:normal}.discover-section{padding-bottom:40px;margin-bottom:40px}.discover-hero{padding-bottom:40px;margin-bottom:40px}.discover-comparison h3{font-size:26px;margin-bottom:32px}.comparison-card{padding:28px 24px}.comparison-card h3{font-size:20px}.comparison-vs span{font-size:20px}.discover-highlight{font-size:15px;padding:16px 18px;flex-direction:column;gap:10px}.discover-highlight span{margin-right:0}}
.discover-faq{margin-top:50px;padding-top:50px;border-top:1px solid #e5e7eb}
.discover-faq h2{font-size:26px;font-weight:700;color:#1f2937;margin:0 0 30px 0;text-align:center}
.faq-list{display:flex;flex-direction:column;gap:12px;width:100%;max-width:700px;margin:0 auto}
.faq-item{border:1px solid rgba(0,0,0,.1);border-radius:12px;background:rgba(255,255,255,.75);box-shadow:0 4px 12px rgba(0,0,0,.04);overflow:hidden;transition:box-shadow .2s ease;width:100%;box-sizing:border-box}
.faq-item:hover{box-shadow:0 6px 16px rgba(0,0,0,.08)}
.faq-item>summary{cursor:pointer;padding:16px 20px;font-size:16px;font-weight:600;color:#1f2937;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;box-sizing:border-box}
.faq-item>summary::after{content:"+";font-size:20px;font-weight:400;color:#6b7280;flex-shrink:0;width:20px;text-align:center}
.faq-item[open]>summary::after{content:"-"}
.faq-item>summary::-webkit-details-marker{display:none}
.faq-answer{padding:0 20px 16px;color:#4b5563;line-height:1.7;width:100%;box-sizing:border-box}
.faq-answer p{margin:0;font-size:15px}
.faq-item[open]>summary{border-bottom:1px solid rgba(0,0,0,.06)}
@media(max-width:600px){.discover-faq h2{font-size:22px}.faq-item>summary{padding:14px 16px;font-size:15px}.faq-answer{padding:0 16px 14px}.faq-answer p{font-size:14px}}