@charset "UTF-8";.lh-rail{display:flex;gap:16px;align-items:stretch;min-height:410px;margin-top:52px}.lh-rail__card{flex:1 1 0;min-width:0;min-height:410px;padding:22px 20px 20px;display:flex;flex-direction:column;justify-content:flex-start;text-align:left;cursor:pointer;background:color-mix(in oklch,var(--primary-color) 78%,white);border:1px solid var(--line-color);border-radius:28px;box-shadow:var(--dropshadow-sm);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);color:inherit;font:inherit;transition:flex .4s ease,transform .3s ease,box-shadow .3s ease,border-color .3s ease,background .3s ease}.lh-rail__card:hover{transform:translateY(-3px);border-color:color-mix(in oklch,var(--accent-color) 20%,var(--line-color))}.lh-rail__card.is-active{flex:1.85 1 0;background:color-mix(in oklch,var(--primary-color) 92%,white);box-shadow:0 18px 42px color-mix(in oklch,var(--accent-color) 10%,transparent)}.lh-rail__top{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}.rail-no{font-size:clamp(42px,5vw,76px);line-height:.82;letter-spacing:-.08em;color:color-mix(in oklch,var(--secondary-color) 16%,var(--primary-color));font-weight:520}.rail-icon{width:28px;height:28px;display:grid;place-items:center;border:1px solid color-mix(in oklch,var(--accent-color) 16%,var(--line-color));border-radius:50%;color:var(--accent-color);font-size:14px;background:color-mix(in oklch,var(--accent-color) 6%,transparent)}.lh-rail__head{margin-top:auto;padding-top:22px}.rail-title{font-size:26px;line-height:.98;letter-spacing:-.06em;font-weight:520;max-width:230px;color:var(--text-color)}.rail-hint{margin:10px 0 0;max-width:240px;font-size:13px;line-height:1.4;color:color-mix(in oklch,var(--secondary-color) 54%,var(--primary-color))}.lh-rail__expanded{max-height:0;opacity:0;overflow:hidden;transform:translateY(16px);transition:max-height .45s ease,opacity .32s ease,transform .32s ease,margin-top .32s ease;pointer-events:none}.lh-rail__card.is-active .lh-rail__expanded{max-height:520px;opacity:1;transform:translateY(0);margin-top:18px;pointer-events:auto}.lh-rail__card:not(.is-active) .rail-visual,.lh-rail__card:not(.is-active) .rail-copy,.lh-rail__card:not(.is-active) .rail-tags{display:none}.rail-visual{width:100%;height:168px;border-radius:18px;border:1px solid var(--line-color);position:relative;overflow:hidden;background:radial-gradient(circle at 70% 44%,color-mix(in oklch,var(--ternary-color) 22%,transparent),transparent 20%),radial-gradient(circle at 48% 65%,color-mix(in oklch,var(--accent-color) 18%,transparent),transparent 28%),linear-gradient(135deg,color-mix(in oklch,var(--primary-color) 96%,white),color-mix(in oklch,var(--accent-color) 8%,white))}.rail-visual:after{content:attr(data-label);position:absolute;left:14px;bottom:12px;padding:5px 8px;border-radius:999px;background:color-mix(in oklch,var(--primary-color) 78%,white);color:color-mix(in oklch,var(--secondary-color) 60%,white);font-size:10px;letter-spacing:.08em;text-transform:uppercase;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.visual-a{background:repeating-radial-gradient(ellipse at 76% 38%,color-mix(in oklch,var(--accent-color) 18%,transparent) 0 1px,transparent 1px 9px),radial-gradient(circle at 70% 44%,color-mix(in oklch,var(--ternary-color) 22%,transparent),transparent 20%),radial-gradient(circle at 48% 65%,color-mix(in oklch,var(--accent-color) 18%,transparent),transparent 28%),linear-gradient(135deg,color-mix(in oklch,var(--primary-color) 96%,white),color-mix(in oklch,var(--accent-color) 8%,white))}.visual-b{background:radial-gradient(circle at 28% 34%,color-mix(in oklch,var(--ternary-color) 18%,transparent),transparent 18%),linear-gradient(135deg,color-mix(in oklch,var(--accent-color) 6%,white),color-mix(in oklch,var(--primary-color) 95%,white)),repeating-linear-gradient(90deg,color-mix(in oklch,var(--accent-color) 10%,transparent) 0 1px,transparent 1px 26px)}.visual-b:before{content:"";position:absolute;inset:auto 8% 18%;height:1px;background:linear-gradient(90deg,transparent,color-mix(in oklch,var(--accent-color) 36%,transparent),transparent);box-shadow:0 -46px color-mix(in oklch,var(--accent-color) 9%,transparent),0 -92px color-mix(in oklch,var(--accent-color) 6%,transparent)}.visual-c{background:linear-gradient(135deg,color-mix(in oklch,var(--primary-color) 98%,white),color-mix(in oklch,var(--accent-color) 6%,white)),radial-gradient(circle at 32% 62%,color-mix(in oklch,var(--accent-color) 18%,transparent),transparent 18%),radial-gradient(circle at 78% 28%,color-mix(in oklch,var(--ternary-color) 20%,transparent),transparent 18%)}.visual-c:before{content:"";position:absolute;inset:18px;border-radius:16px;border:1px dashed color-mix(in oklch,var(--accent-color) 20%,transparent)}.visual-d{background:linear-gradient(135deg,color-mix(in oklch,var(--primary-color) 98%,white),color-mix(in oklch,var(--accent-color) 6%,white))}.visual-d:before{content:"Idea  →  Build  →  Launch";position:absolute;left:20px;right:20px;top:50%;transform:translateY(-50%);font-size:18px;letter-spacing:-.04em;color:color-mix(in oklch,var(--accent-color) 66%,var(--secondary-color));text-align:center}.rail-copy{margin:18px 0 0;max-width:100%;font-size:14px;line-height:1.45;color:color-mix(in oklch,var(--secondary-color) 56%,var(--primary-color))}.rail-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.rail-tags span{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:color-mix(in oklch,var(--accent-color) 6%,transparent);border:1px solid color-mix(in oklch,var(--accent-color) 12%,transparent);color:color-mix(in oklch,var(--secondary-color) 70%,white);font-size:12px;letter-spacing:-.01em}@media(max-width:1100px){.lh-rail{flex-direction:column;min-height:auto}.lh-rail__card,.lh-rail__card.is-active{flex:auto;min-height:auto}.lh-rail__head{padding-top:18px}.rail-title{max-width:none}.lh-rail__card.is-active .lh-rail__expanded{max-height:680px}}