:root{--color-primary: #0057b8;--color-primary-light: #00a3d7;--color-accent: #e5481d;--color-navy: #101418;--color-bg: #f5f7fa;--primary: var(--color-primary);--primary-dark: var(--color-navy);--accent: var(--color-accent);--bg: var(--color-bg);--surface: #ffffff;--surface-muted: #eef6fb;--text: var(--color-navy);--muted: #46515f;--subtle: #697282;--border: #d8dee8;--border-strong: #aeb8c6;--success: #0f8a5f;--warning: #b45b00;--shadow-sm: 0 1px 0 rgba(16, 20, 24, .06);--shadow-md: 0 18px 36px rgba(16, 20, 24, .12);--section-gap: clamp(56px, 6vw, 84px);--section-inner-gap: clamp(34px, 4vw, 52px);--block-padding: clamp(24px, 3vw, 34px)}*{box-sizing:border-box}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6;color:var(--text);background:linear-gradient(180deg,#fff 0,#f5f7fa 360px),var(--bg);margin:0 auto;min-height:100vh;overflow-x:clip}a{color:var(--primary);font-weight:650;text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid rgba(0,117,232,.34);outline-offset:3px}.site-shell{max-width:1180px;margin:0 auto;padding:0 24px 56px}.site-header{position:sticky;top:0;z-index:10;margin:0 calc(50% - 50vw) 48px;width:100vw;border-bottom:2px solid var(--text);background:#fffffff0;backdrop-filter:blur(16px)}.site-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:1180px;margin:0 auto;padding:16px 24px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-size:17px;font-weight:900;letter-spacing:0;white-space:nowrap}.brand-mark{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:8px;overflow:hidden}.brand-mark img{display:block;height:32px;width:32px}.nav-menu{position:relative}.quick-links{align-items:center;display:flex;flex:1;gap:6px;justify-content:flex-end;min-width:0}.quick-links a{border-radius:999px;color:var(--text);font-size:14px;font-weight:750;padding:8px 10px;white-space:nowrap}.quick-links a:hover{background:#edf6fb;color:var(--primary);text-decoration:none}.nav-menu summary{align-items:center;border:1px solid var(--border-strong);border-radius:6px;cursor:pointer;display:inline-flex;gap:10px;list-style:none;min-height:42px;padding:9px 14px;user-select:none}.nav-menu summary::-webkit-details-marker{display:none}.menu-icon{display:grid;gap:4px;width:18px}.menu-icon span{background:var(--text);border-radius:999px;display:block;height:2px}.menu-label{color:var(--text);font-size:14px;font-weight:800}.nav-panel{background:#fffffffa;border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-md);display:grid;gap:16px;min-width:320px;padding:18px;position:absolute;right:0;top:calc(100% + 10px);z-index:20}.nav-menu[open] summary{background:#fff;border-color:#0075e861}.nav-home{border-bottom:1px solid var(--border);padding-bottom:12px}.nav-group{display:grid;gap:8px}.nav-group-title{color:var(--subtle);font-size:12px;font-weight:800}.nav-links{display:grid;gap:6px;grid-template-columns:repeat(2,minmax(0,1fr))}.nav-panel a{border-radius:6px;color:var(--muted);font-size:14px;font-weight:650;padding:8px 10px}.nav-panel a:hover{background:#00adfc24;color:var(--primary);text-decoration:none}main{display:grid;gap:var(--section-gap)}.content-single{display:block}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;align-items:start}.content-main{display:grid;gap:var(--section-gap);min-width:0}.author-sidebar{position:sticky;top:96px;display:grid;gap:14px;border:1px solid var(--border);border-radius:8px;background:#fffffff0;box-shadow:var(--shadow-sm);padding:20px}.author-header{display:flex;align-items:center;gap:14px}.author-avatar{flex:0 0 auto;width:72px;height:72px;border:1px solid rgba(0,117,232,.22);border-radius:50%;background:#dbeafe;display:block;object-fit:cover}.author-name{margin:0;font-size:16px;font-weight:800}.author-role{margin:2px 0 0;color:var(--subtle);font-size:13px}.author-sidebar p{color:var(--muted);font-size:14px}.author-career{border-top:1px solid var(--border);display:grid;gap:6px;padding-top:14px}.author-career-title{color:var(--text);font-size:13px;font-weight:800;margin:0}.author-career p{margin:0}.author-topics{display:flex;flex-wrap:wrap;gap:8px}h1,h2,h3{letter-spacing:0;line-height:1.25}h1{margin:0;font-size:36px}h2{margin:0 0 12px;font-size:24px}h3{margin:0 0 8px;font-size:18px}.card-title{color:var(--text);font-size:18px;font-weight:800;letter-spacing:0;line-height:1.25;margin:0 0 8px}.card-title a{color:inherit}.breadcrumb{align-items:center;color:var(--subtle);display:flex;flex-wrap:wrap;font-size:13px;gap:8px;margin:0 0 6px}.breadcrumb a{color:var(--subtle);font-weight:650}.breadcrumb a:hover{color:var(--primary)}.breadcrumb span[aria-current]{color:var(--muted);font-weight:700}p{margin:0 0 12px}.page-header,.hero{display:grid;gap:18px;margin-bottom:18px}.hero{grid-template-columns:minmax(0,1.22fr) minmax(320px,.78fr);align-items:stretch;gap:24px}.hero-copy,.hero-panel,.newsletter-band,.value-strip,.library-list{border:1px solid var(--border);border-radius:8px;background:#ffffffeb;box-shadow:var(--shadow-sm)}.hero-copy{display:grid;gap:18px;padding:42px}.hero-panel{align-content:start;display:grid;gap:18px;padding:28px}.eyebrow{color:var(--primary-dark);font-size:13px;font-weight:800;letter-spacing:0;text-transform:uppercase}.lead{color:var(--muted);font-size:18px;max-width:760px}.hero-proof{color:var(--subtle);display:flex;flex-wrap:wrap;gap:8px 14px;font-size:13px;margin:0}.hero-proof span{align-items:center;display:inline-flex;gap:6px}.hero-proof span:before{background:var(--success);border-radius:50%;content:"";height:6px;width:6px}.hero h1{max-width:760px}.editorial-hero{border-bottom:2px solid var(--text);display:grid;gap:0;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);padding-bottom:var(--section-inner-gap)}.lead-story{background:#fff;border:2px solid var(--text);display:grid;gap:18px;min-width:0;padding:clamp(28px,3.4vw,44px)}.lead-story-kicker{align-items:center;border-bottom:1px solid var(--border);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding-bottom:12px}.lead-story-kicker span{color:var(--subtle);font-size:12px;font-weight:850;text-transform:uppercase}.lead-story h1{font-size:clamp(26px,3.2vw,40px);letter-spacing:0;line-height:1.2;max-width:720px}.editorial-cover{background:linear-gradient(135deg,#0d1b2a,#0057b8 56%,#00a3d7);color:#fff;display:grid;gap:16px;min-height:0;overflow:hidden;padding:20px;position:relative}.editorial-cover:before{background:linear-gradient(90deg,rgba(255,255,255,.16) 1px,transparent 1px),linear-gradient(180deg,rgba(255,255,255,.12) 1px,transparent 1px);background-size:28px 28px;content:"";inset:0;opacity:.46;position:absolute}.editorial-cover:after{border:1px solid rgba(255,255,255,.38);content:"";height:150px;position:absolute;right:-42px;top:36px;transform:rotate(9deg);width:260px}.cover-masthead,.cover-visual{position:relative;z-index:1}.cover-masthead{align-items:start;display:grid;gap:8px}.cover-label{font-size:12px;font-weight:900;text-transform:uppercase}.editorial-cover strong{font-size:clamp(32px,4vw,52px);line-height:1.05;max-width:360px}.cover-visual{background:#fff;border-radius:12px;box-shadow:0 12px 30px #00000038;display:block;height:auto;max-height:220px;object-fit:cover;object-position:center;width:100%}.trending-panel{background:#101418;color:#fff;display:grid;gap:24px;padding:clamp(28px,3vw,38px)}.trending-panel .eyebrow,.trending-panel a{color:#fff}.panel-heading{align-items:center;border-bottom:1px solid rgba(255,255,255,.18);display:flex;gap:12px;justify-content:space-between;padding-bottom:12px}.panel-heading a{font-size:13px}.trending-list{display:grid;gap:0;list-style:none;margin:0;padding:0}.trending-list li{border-bottom:1px solid rgba(255,255,255,.16)}.trending-list li:last-child{border-bottom:0}.trending-list a{display:grid;gap:7px;grid-template-columns:34px minmax(0,1fr);padding:20px 0;text-decoration:none}.trending-list span{color:var(--color-accent);font-size:24px;font-weight:900;line-height:1}.trending-list strong{color:#fff;line-height:1.35}.trending-list small{color:#ffffff9e;grid-column:2}.section-block{border-top:2px solid var(--text);padding-top:var(--section-inner-gap)}.action-strip{background:#fff;border:2px solid var(--text);display:grid;gap:28px;grid-template-columns:minmax(220px,.72fr) minmax(0,1.28fr);padding:var(--block-padding)}.action-strip h2{font-size:30px;margin:0}.action-grid{display:grid;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr))}.action-grid .value-step{border-left:1px solid var(--border);padding:4px 22px}.story-grid{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr))}.story-card{background:#fff;border:1px solid var(--border);border-top:4px solid var(--text);display:grid;gap:16px;padding:var(--block-padding)}.story-card h3{font-size:22px}.story-card p{color:var(--muted)}.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px}.button{align-items:center;border:0;border-radius:6px;cursor:pointer;display:inline-flex;font-size:15px;font-weight:750;min-height:44px;padding:10px 16px;text-align:center;white-space:nowrap}.button-primary{background:var(--accent);color:#fff}.button-secondary{border:1px solid var(--border-strong);color:var(--text);background:#fff}.button:hover{filter:brightness(.98);text-decoration:none}.value-strip{display:grid;gap:22px;grid-template-columns:repeat(3,minmax(0,1fr));padding:var(--block-padding)}.value-step{color:var(--text);display:grid;gap:8px;min-width:0}.value-step:hover{text-decoration:none}.value-step span{color:var(--subtle);font-size:12px;font-weight:800}.value-step strong{font-size:15px;line-height:1.35}.value-step p{color:var(--muted);margin:0}.value-step small{color:var(--primary);font-weight:800}.stats-grid,.feature-grid,.collection{display:grid;gap:24px}.collection.collection-dense{gap:20px}.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:8px}.stat{border-top:1px solid var(--border);padding-top:14px}.stat strong{display:block;font-size:24px;line-height:1.2}.stat span{color:var(--subtle);font-size:13px}.feature-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-grid.feature-grid-wide{grid-template-columns:repeat(4,minmax(0,1fr))}.library-list{display:grid;gap:0;overflow:hidden}.library-row{align-items:start;border-bottom:1px solid var(--border);display:grid;gap:22px;grid-template-columns:minmax(180px,.9fr) minmax(0,1.4fr) auto;padding:26px var(--block-padding)}.library-row:last-child{border-bottom:0}.library-row h3{margin-bottom:4px}.library-row p{color:var(--muted)}.library-row-action{align-self:center;justify-self:end}.section-heading{align-items:end;display:flex;justify-content:space-between;gap:24px;margin-bottom:34px}.section-heading p{color:var(--muted);max-width:640px}.card{background:var(--surface);border:1px solid var(--border);border-radius:6px;box-shadow:var(--shadow-sm);padding:var(--block-padding)}.card.card-compact{padding:18px}.card:hover{border-color:var(--text);box-shadow:0 8px #10141814;transition:border-color .15s ease,box-shadow .15s ease}.card p:last-child{margin-bottom:0}.card small{color:var(--subtle)}.meta-row{color:var(--subtle);display:flex;flex-wrap:wrap;gap:8px;font-size:13px;margin:10px 0}.quality-summary{background:#fff;border:1px solid var(--border);border-radius:0;border-top:4px solid var(--text);box-shadow:var(--shadow-sm);display:grid;gap:0;grid-template-columns:repeat(4,minmax(0,1fr));overflow:hidden}.quality-summary-item{border-right:1px solid var(--border);display:grid;gap:9px;min-width:0;padding:22px}.quality-summary-item:last-child{border-right:0}.quality-summary-item span{color:var(--subtle);font-size:12px;font-weight:800}.quality-summary-item strong{font-size:15px;line-height:1.35}.quality-summary-item p{color:var(--muted);font-size:13px;margin:0}.quality-chips{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}.quality-chip{background:#eef2f7;border:1px solid var(--border);border-radius:999px;color:#334155;display:inline-flex;font-size:12px;font-weight:750;line-height:1;padding:6px 9px}.quality-chip-good{background:#0f8a5f1a;border-color:#0f8a5f3d;color:#0b6b4b}.quality-chip-warn{background:#b45b001a;border-color:#b45b003d;color:#8a4600}.next-link-panel{background:#fff;border:2px solid var(--text);border-radius:0;box-shadow:var(--shadow-sm);display:grid;gap:16px;padding:20px}.next-link-panel h2{margin:0}.next-link-grid{display:grid;gap:10px;grid-template-columns:repeat(3,minmax(0,1fr))}.next-link-card{border:1px solid var(--border);border-radius:6px;color:var(--text);display:grid;gap:4px;padding:14px}.next-link-card:hover{border-color:#00adfca6;text-decoration:none}.next-link-card span{color:var(--subtle);font-size:12px;font-weight:800}.next-link-card strong{color:var(--primary)}.next-link-card p{color:var(--muted);font-size:13px;margin:0}.filter-bar{align-items:end;background:var(--surface);border:1px solid var(--border);border-radius:0;box-shadow:var(--shadow-sm);display:grid;gap:14px;grid-template-columns:repeat(3,minmax(0,1fr));padding:18px}.filter-bar.filter-bar-2{grid-template-columns:repeat(2,minmax(0,1fr)) minmax(180px,.7fr)}.filter-control{display:grid;gap:6px}.filter-control label{color:var(--subtle);font-size:12px;font-weight:750}.filter-control select{appearance:none;background:#fff;border:1px solid var(--border-strong);border-radius:6px;color:var(--text);font:inherit;min-height:42px;padding:9px 12px;width:100%}.filter-summary{color:var(--muted);font-size:14px;margin:0}.empty-state{display:none;background:#fd5d1014;border:1px solid rgba(253,93,16,.28);border-radius:8px;color:#9a3510;padding:18px}.empty-state.is-visible{display:block}.tag,.status-pill{align-items:center;border-radius:999px;display:inline-flex;font-size:12px;font-weight:750;line-height:1;padding:6px 9px}.tag{background:#00adfc24;color:var(--primary-dark)}.tag+h2,.tag+h3,.tag+.card-title,.tag+p{margin-top:10px}.status-pill{background:#fd5d101f;color:#b33d0b}.insight{background:#00adfc1a;border-left:4px solid var(--primary);border-radius:6px;margin:12px 0;padding:12px 14px}.priority-panel{background:#081226;border-radius:8px;color:#fff;display:grid;gap:14px;padding:20px}.priority-panel p,.priority-panel .eyebrow{color:#ffffffc7}.priority-panel ol{display:grid;gap:10px;margin:0;padding-left:1.2em}.priority-panel li{padding-left:4px}pre{background:#0f172a;border-radius:8px;color:#e2e8f0;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;overflow-x:auto;padding:20px;white-space:pre-wrap}.code-header{align-items:center;display:flex;justify-content:space-between;gap:12px;margin-bottom:10px}.code-header h2{margin:0}.preview-actions{align-items:center;display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.segmented-control{background:#e8eef6;border:1px solid var(--border);border-radius:8px;display:inline-flex;gap:3px;padding:3px}.segment-button{background:transparent;border:0;border-radius:6px;color:var(--muted);cursor:pointer;font:inherit;font-size:13px;font-weight:800;min-height:36px;padding:8px 12px;white-space:nowrap}.segment-button.is-active{background:#fff;box-shadow:var(--shadow-sm);color:var(--text)}.copy-status{color:var(--subtle);font-size:13px;min-height:20px}.markdown-preview-shell{background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-sm);overflow:hidden}.markdown-viewer-root{display:grid;gap:10px}.is-hidden{display:none!important}.markdown-preview{color:var(--text);display:grid;gap:16px;padding:clamp(24px,3vw,36px)}.markdown-preview h1,.markdown-preview h2,.markdown-preview h3,.markdown-preview h4{margin:0}.markdown-preview h1{border-bottom:2px solid var(--text);font-size:clamp(28px,4vw,42px);padding-bottom:14px}.markdown-preview h2{border-top:1px solid var(--border);font-size:22px;margin-top:10px;padding-top:22px}.markdown-preview h3{font-size:18px}.markdown-preview p{color:var(--muted);margin:0}.markdown-preview ul,.markdown-preview ol{display:grid;gap:8px;margin:0;padding-left:1.25em}.markdown-preview li{color:var(--muted);padding-left:4px}.markdown-preview strong{color:var(--text)}.markdown-preview code{background:#eef2f7;border:1px solid var(--border);border-radius:4px;color:#263244;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.92em;padding:1px 5px}.markdown-preview pre{margin:0}.markdown-preview hr{border:0;border-top:1px solid var(--border);margin:8px 0;width:100%}.markdown-preview blockquote{border-left:4px solid var(--primary);color:var(--muted);margin:0;padding:4px 0 4px 16px}.markdown-table-wrap{border:1px solid var(--border);border-radius:8px;overflow-x:auto}.markdown-preview table{border-collapse:collapse;min-width:680px;width:100%}.markdown-preview th,.markdown-preview td{border-bottom:1px solid var(--border);padding:12px 14px;text-align:left;vertical-align:top}.markdown-preview th{background:#eef6fb;color:var(--text);font-size:13px;font-weight:850}.markdown-preview tr:last-child td{border-bottom:0}.markdown-check{align-items:center;display:inline-flex;gap:8px}.markdown-check input{accent-color:var(--primary);height:16px;width:16px}.markdown-source{border-radius:0;margin:0}.newsletter-band{align-items:center;display:flex;justify-content:space-between;gap:20px;padding:24px}.newsletter-band-editorial{background:#101418;border-color:#101418;color:#fff;padding:32px}.newsletter-band-editorial .eyebrow,.newsletter-band-editorial p{color:#ffffffb8}.newsletter-band-editorial .button-secondary{background:transparent;border-color:#ffffff59;color:#fff}.newsletter-band p{color:var(--muted)}.newsletter-band-editorial p{color:#ffffffb8}@media(max-width:860px){.site-shell{padding:0 16px 40px}.site-header{margin:0 calc(50% - 50vw) 34px}.site-nav{align-items:stretch;flex-direction:column;padding:14px 16px}.brand{align-self:flex-start}.quick-links{justify-content:flex-start;overflow-x:auto;width:100%}.nav-menu,.nav-menu summary{width:100%}.nav-menu summary{justify-content:center}.nav-panel{left:0;min-width:0;right:0}.nav-links,.hero,.editorial-hero,.action-strip,.action-grid,.content-layout,.feature-grid,.feature-grid.feature-grid-wide,.filter-bar,.filter-bar.filter-bar-2,.library-row,.next-link-grid,.quality-summary,.story-grid,.value-strip,.stats-grid{grid-template-columns:1fr}.lead-story{padding:24px}.lead-story h1{font-size:28px}.editorial-cover{min-height:0}.trending-panel{padding:22px}.action-grid .value-step{border-left:0;border-top:1px solid var(--border);padding:18px 0 0}.action-grid .value-step:first-child{border-top:0;padding-top:0}.quality-summary-item{border-right:0;border-bottom:1px solid var(--border)}.quality-summary-item:last-child{border-bottom:0}.author-sidebar{position:static}.hero-copy,.hero-panel{padding:24px}.button{justify-content:center;width:100%}.library-row-action{justify-self:stretch}h1{font-size:30px}.newsletter-band,.preview-actions,.section-heading{align-items:flex-start;flex-direction:column}.segmented-control{display:grid;grid-template-columns:1fr 1fr;width:100%}.segment-button{width:100%}}[data-release-state=preview],[data-release-state=draft]{position:relative}html[data-content-release-mode=production] [data-release-state=preview],html[data-content-release-mode=production] [data-release-state=draft],html[data-content-release-mode=production] [data-release-category-state=preview],html[data-content-release-mode=production] [data-release-category-state=draft],html[data-content-release-mode=production] [data-feature-state=preview],html[data-content-release-mode=production] [data-feature-state=draft]{display:none!important}[data-release-state=preview]:before,[data-release-state=draft]:before{border-radius:999px;color:#3f4652;display:inline-block;font-size:11px;font-weight:800;margin-bottom:8px;padding:3px 8px}html[data-content-release-mode=production] [data-release-state=preview]:before,html[data-content-release-mode=production] [data-release-state=draft]:before{display:none}[data-release-state=preview]:before{background:#fff3d6;content:"レビュー中"}[data-release-state=draft]:before{background:#e8eef7;content:"開発中"}.content-preview-toggle{align-items:center;background:#060e1f;border:1px solid rgba(255,255,255,.18);border-radius:10px;bottom:18px;box-shadow:0 10px 30px #060e1f33;color:#fff;cursor:pointer;display:inline-flex;font-size:12px;font-weight:800;gap:8px;min-height:40px;padding:8px 14px;position:fixed;right:18px;z-index:80}.content-preview-toggle[data-mode=production]{background:#0f8a5f}.content-preview-toggle span{color:#b9c8dd;font-weight:700}.content-preview-toggle[data-mode=production] span{color:#d6f3e6}