:root{--bg: #f7f6f2;--card-bg: #ffffff;--text-primary: #1a1a1a;--text-secondary: #4d4d4d;--text-tertiary: #747474;--border: #e8e6e1;--tag-bg: #f0efeb;--tag-text: #595959;--status-upcoming-bg: #f5efe6;--status-upcoming-text: #996d33;--status-building-bg: #e8f2ec;--status-building-text: #3d7a52;--status-review-bg: #f5e9e9;--status-review-text: #994444;--status-published-bg: #e6f0ff;--status-published-text: #2f63b3;--primary: #1a1a1a;--shadow-sm: 0 1px 2px rgba(0,0,0,.03);--shadow-md: 0 10px 28px rgba(30, 30, 30, .07)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}.app{min-height:100vh;padding-bottom:32px}.container{max-width:1080px;margin:0 auto;padding:0 24px}button:focus-visible,a:focus-visible{outline:3px solid rgba(26,36,47,.28);outline-offset:3px}.navbar{position:sticky;top:0;background:#f7f6f2f2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:100}.navbar-inner{height:68px;display:flex;align-items:center;justify-content:space-between}.logo-button{font-weight:600;font-size:16px;background:none;border:none;color:var(--text-primary);cursor:pointer;font-family:inherit;padding:0}.btn-secondary{background:var(--primary);color:#fff;border:none;padding:10px 15px;border-radius:8px;font-size:14px;cursor:pointer;transition:opacity .2s;font-family:inherit}.btn-secondary:hover{opacity:.9}.btn-secondary--quiet{background:var(--tag-bg);color:var(--text-primary)}.paths-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.path-card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:26px;transition:box-shadow .2s,transform .2s}.path-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.path-title{font-size:18px;font-weight:600;margin-bottom:8px}.path-desc{color:var(--text-secondary);font-size:14px;margin-bottom:16px}.path-nodes-label{font-size:12px;color:var(--text-tertiary);font-weight:500;margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}.path-nodes ul{list-style:none;margin-bottom:10px}.path-nodes li{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:7px 0 7px 16px;position:relative;font-size:14px;color:var(--text-secondary)}.path-nodes li:before{content:"○";position:absolute;left:0;color:var(--text-tertiary);font-size:10px;top:10px}.path-node-state,.path-unavailable{flex:0 0 auto;color:var(--text-tertiary);font-size:12px;white-space:nowrap}.path-expand{background:none;border:none;color:var(--text-secondary);cursor:pointer;font-family:inherit;font-size:13px;margin-bottom:18px;padding:2px 0;text-decoration:underline;text-decoration-color:var(--border);text-underline-offset:4px}.path-expand:hover{color:var(--text-primary);text-decoration-color:currentColor}.path-status{color:var(--text-secondary);background:var(--tag-bg);border-radius:8px;padding:11px 12px;font-size:13px;line-height:1.55;margin-bottom:16px}.path-status>span{color:var(--text-tertiary);display:block;font-size:11px;font-weight:600;letter-spacing:.06em;margin-bottom:3px;text-transform:uppercase}.path-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:16px;border-top:1px solid var(--border)}.path-time{font-size:13px;color:var(--text-tertiary)}.manifesto{background:#1a242f;padding:64px 0;margin:24px 0}.manifesto-text{font-size:36px;font-weight:700;color:#fff;text-align:center;letter-spacing:2px}.problems-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(420px,1fr));gap:16px}.problem-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:20px}.problem-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.problem-title{font-size:16px;font-weight:600}.problem-list{list-style:none}.problem-list li{font-size:14px;color:var(--text-secondary);padding:6px 0 6px 16px;position:relative}.problem-list li:before{content:"?";position:absolute;left:0;color:var(--text-tertiary);font-weight:700}.problem-boundary{color:var(--text-tertiary);font-size:13px;line-height:1.65;margin-top:18px;max-width:720px}.article-detail{padding:40px 0}.back-button{background:none;border:none;color:var(--text-secondary);font-size:14px;cursor:pointer;padding:8px 0;margin-bottom:24px;font-family:inherit;display:flex;align-items:center;gap:4px}.back-button:hover{color:var(--text-primary)}.article-header{margin-bottom:32px}.article-detail-title{font-size:32px;font-weight:700;margin:16px 0 12px;line-height:1.3}.article-detail-desc{font-size:17px;color:var(--text-secondary);line-height:1.7}.read-time,.card-read-time{font-size:12px;color:var(--text-tertiary);margin-left:auto}.reading-guide{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:24px;margin-bottom:32px}.guide-title{font-size:18px;font-weight:600;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border)}.guide-section{margin-bottom:20px}.guide-section:last-child{margin-bottom:0}.guide-section h3{font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.guide-section p{font-size:14px;color:var(--text-secondary);line-height:1.7}.guide-section ul{list-style:none}.guide-section li{font-size:14px;color:var(--text-secondary);padding:4px 0 4px 16px;position:relative}.guide-section li:before{content:"•";position:absolute;left:0;color:var(--text-tertiary)}.guide-note{color:var(--text-tertiary)!important;font-style:italic}.article-detail-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:18px}.text-button{background:none;border:none;border-bottom:1px solid currentColor;color:var(--text-secondary);cursor:pointer;font-family:inherit;font-size:13px;padding:2px 0}.text-button:hover{color:var(--text-primary)}.copy-failed{color:var(--status-review-text);font-size:13px}.next-article-button{display:flex;align-items:center;gap:12px;width:100%;background:var(--tag-bg);border:1px solid var(--border);border-radius:8px;padding:16px;cursor:pointer;text-align:left;transition:background .2s;font-family:inherit;color:inherit;text-decoration:none}.next-article-button:hover{background:#e8e6e1}.next-ep{font-weight:600;color:var(--text-tertiary);font-size:13px}.next-title{flex:1;font-weight:500;color:var(--text-primary)}.next-arrow{color:var(--text-tertiary)}.article-content{font-size:16px;line-height:1.8;color:var(--text-primary)}.content-placeholder{background:var(--tag-bg);border-radius:8px;padding:24px;text-align:center;color:var(--text-secondary)}.content-placeholder p{margin-bottom:8px}.content-placeholder--published{text-align:left}.content-placeholder--published .btn-primary{display:inline-block;margin-top:12px;text-decoration:none}.nav-links{display:flex;gap:24px}.nav-link{background:none;border:none;color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;padding:8px 0;transition:color .2s;font-family:inherit}.nav-link:hover{color:var(--text-primary)}.hero{padding:108px 0 76px;border-bottom:1px solid var(--border)}.hero-title{max-width:960px;color:#18202a;font-size:clamp(46px,5.35vw,74px);font-weight:700;letter-spacing:-.055em;line-height:1.1;margin-bottom:24px}.hero-eyebrow,.section-kicker{color:var(--text-tertiary);font-size:11px;font-weight:600;letter-spacing:.13em;text-transform:uppercase}.hero-eyebrow{margin-bottom:18px}.hero-lede{color:var(--text-secondary);font-size:18px;line-height:1.75;max-width:680px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.hero-primary,.hero-secondary{border-radius:9px;cursor:pointer;font-family:inherit;font-size:14px;font-weight:600;padding:12px 18px;transition:background .2s,border-color .2s,transform .2s}.hero-primary{background:#18202a;border:1px solid #18202a;color:#fff}.hero-secondary{background:transparent;border:1px solid var(--border);color:var(--text-primary)}.hero-primary:hover,.hero-secondary:hover{transform:translateY(-1px)}.hero-primary:hover{background:#2b3541}.hero-secondary:hover{border-color:#a8a8a8}.section-heading{max-width:720px}.section-kicker{margin-bottom:10px}.section{padding:68px 0}.section--start{padding-top:62px}.section-title{font-size:28px;font-weight:650;letter-spacing:-.03em;margin-bottom:12px}.section-desc{color:var(--text-secondary);font-size:16px;line-height:1.7;margin-bottom:30px}.hero-subtitle{font-size:13px;color:var(--text-tertiary);letter-spacing:2px;text-transform:uppercase}.btn-primary{background:var(--primary);color:#fff;border:none;padding:10px 20px;border-radius:8px;font-size:14px;cursor:pointer;transition:opacity .2s;font-family:inherit}.btn-primary:hover{opacity:.9}.article-list{display:flex;flex-direction:column;gap:14px}.article-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:24px;text-decoration:none;color:inherit;transition:box-shadow .2s,transform .15s;display:block;cursor:default;font-family:inherit;text-align:left;width:100%}.article-card--link:hover,.article-card--button:hover{box-shadow:var(--shadow-md);transform:translateY(-1px);cursor:pointer}.article-card--button{-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer;font:inherit}.article-meta{display:flex;align-items:center;gap:8px;margin-bottom:14px;flex-wrap:wrap}.ep-tag{font-weight:600;color:var(--text-tertiary);font-size:13px;letter-spacing:.5px}.category-tag,.version-tag{background:var(--tag-bg);color:var(--tag-text);padding:3px 9px;border-radius:6px;font-size:12px;font-weight:500}.status-tag{padding:3px 9px;border-radius:6px;font-size:12px;font-weight:500}.status-upcoming{background:var(--status-upcoming-bg);color:var(--status-upcoming-text)}.status-building{background:var(--status-building-bg);color:var(--status-building-text)}.status-review{background:var(--status-review-bg);color:var(--status-review-text)}.status-published{background:var(--status-published-bg);color:var(--status-published-text)}.article-title{font-size:19px;font-weight:600;margin-bottom:8px;line-height:1.4}.article-desc{color:var(--text-secondary);font-size:15px;line-height:1.6}.article-action{color:var(--text-tertiary);font-size:13px;margin-top:14px}.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}.tool-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:20px}.tool-header{align-items:flex-start;display:flex;gap:12px;justify-content:space-between;margin-bottom:8px}.tool-name{font-size:16px;font-weight:600}.tool-version{background:var(--tag-bg);border-radius:6px;color:var(--text-tertiary);flex:0 0 auto;font-size:12px;padding:3px 8px}.tool-desc{color:var(--text-secondary);font-size:14px;margin-bottom:14px}.tool-availability{color:var(--status-upcoming-text);font-size:13px;margin-bottom:12px}.tool-note{background:var(--tag-bg);border-radius:8px;color:var(--text-secondary);font-size:13px;line-height:1.55;padding:12px}.tool-note>span{color:var(--text-tertiary);display:block;font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase}.tool-note>p{margin-top:4px}.process-list{list-style:none;margin-bottom:20px}.process-list li{padding:7px 0 7px 18px;position:relative;color:var(--text-secondary);font-size:15px}.process-list li:before{content:"•";position:absolute;left:0;color:var(--text-tertiary);font-weight:700}.group-note{font-size:13px;color:var(--text-secondary);padding:12px 16px;background:var(--tag-bg);border-radius:8px;line-height:1.5}.research-list{list-style:none;margin-bottom:16px}.research-list li{padding:7px 0 7px 18px;position:relative;color:var(--text-secondary);font-size:15px}.research-list li:before{content:"•";position:absolute;left:0;color:var(--text-tertiary);font-weight:700}.research-note{font-size:13px;color:var(--text-tertiary)}.about-desc{color:var(--text-secondary);font-size:15px;margin-bottom:16px;max-width:720px;line-height:1.7}.about-principle{font-weight:500;color:var(--text-primary);font-size:15px}.footer{border-top:1px solid var(--border);padding:32px 0;margin-top:24px}.copyright{color:var(--text-tertiary);font-size:13px;text-align:center}.bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;background:#fffffff5;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--border);height:70px;z-index:100}.bottom-nav-item{flex:1;background:none;border:none;color:var(--text-secondary);font-size:12.5px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:color .2s;font-family:inherit;padding:0 8px}.bottom-nav-item:active{color:var(--text-primary)}.bottom-nav-item--more{border-left:1px solid var(--border)}.bottom-nav-item--more[aria-expanded=true]{color:var(--text-primary)}.mobile-more-menu{display:none}.drawer-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000004d;z-index:200;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s}.drawer-overlay.open{opacity:1;visibility:visible}.drawer{position:absolute;right:0;top:0;bottom:0;width:90%;max-width:480px;background:#fff;padding:24px;transform:translate(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);overflow-y:auto}.drawer-overlay.open .drawer{transform:translate(0)}.drawer-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}.drawer-header h3{font-size:20px;font-weight:600}.drawer-eyebrow{color:var(--text-tertiary);font-size:11px;letter-spacing:.12em;margin-bottom:4px}.drawer-intro{color:var(--text-secondary);font-size:13px;line-height:1.6;margin-bottom:20px}.drawer-close{background:none;border:none;font-size:24px;cursor:pointer;color:var(--text-tertiary);width:32px;height:32px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-family:inherit;line-height:1}.drawer-close:hover{background:var(--tag-bg);color:var(--text-primary)}.map-section{margin-bottom:28px}.map-section h4{font-size:15px;font-weight:600;margin-bottom:12px;color:var(--text-primary)}.map-section-desc{color:var(--text-tertiary);font-size:13px;line-height:1.55;margin-bottom:8px}.map-section ul{list-style:none}.map-section li{border-bottom:1px solid var(--border)}.map-section li:last-child{border-bottom:none}.map-item{align-items:center;background:none;border:none;color:var(--text-secondary);display:flex;font-family:inherit;font-size:14px;gap:12px;justify-content:space-between;line-height:1.5;padding:10px 0;text-align:left;width:100%}.map-item--link{cursor:pointer}.map-item--link:hover{color:var(--text-primary)}.map-item-status{color:var(--text-tertiary);flex:0 0 auto;font-size:12px;white-space:nowrap}@media (max-width: 768px){.app{padding-bottom:70px}.nav-links{display:none}.bottom-nav{display:flex}.hero{padding:54px 0 44px}.hero-title{font-size:clamp(38px,10vw,46px);letter-spacing:-.05em;line-height:1.12;margin-bottom:18px}.hero-eyebrow{margin-bottom:14px}.hero-lede{font-size:16px;line-height:1.72}.hero-actions{align-items:stretch;flex-direction:column;margin-top:24px}.hero-primary,.hero-secondary{width:100%}.section{padding:48px 0}.section--start{padding-top:46px}.section-title{font-size:24px}.section-desc{font-size:15px;margin-bottom:24px}.article-card{padding:20px}.article-title{font-size:18px}.tools-grid{grid-template-columns:1fr}.container{padding:0 20px}.paths-grid,.problems-grid{grid-template-columns:1fr}.path-card{border-radius:14px;padding:21px}.path-card:hover{transform:none}.path-desc{font-size:14px;line-height:1.65}.path-nodes li{font-size:13px}.path-node-state{font-size:11px}.path-footer{align-items:flex-start;flex-direction:column}.path-footer .btn-secondary{width:100%}.path-time{font-size:12px}.manifesto-text{font-size:24px}.manifesto{padding:48px 0}.article-detail-title{font-size:24px}.reading-guide{padding:20px}.footer{padding-bottom:94px}.mobile-more-menu{background:#fffffffa;border:1px solid var(--border);border-radius:14px;bottom:82px;box-shadow:var(--shadow-md);display:grid;gap:2px;left:16px;padding:6px;position:fixed;right:16px;z-index:101}.mobile-more-item{align-items:center;background:none;border:none;border-radius:9px;color:var(--text-primary);cursor:pointer;display:flex;font-family:inherit;font-size:15px;justify-content:space-between;padding:13px 12px;text-align:left}.mobile-more-item:active{background:var(--tag-bg)}}