.series-guide{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(240px,1fr);column-gap:64px;max-width:1200px;margin:0 auto;padding:48px 32px 80px;color:var(--ink);font-family:var(--f-body)}
.series-guide h1,.series-guide h2,.series-guide h3{text-transform:none;letter-spacing:-.02em;font-family:var(--f-inst);text-wrap:balance}
.series-opening{grid-column:1;grid-row:1;padding-bottom:56px}
.series-opening h1{font-size:clamp(48px,6vw,80px);font-weight:700;line-height:1.02;margin:0 0 24px;max-width:15ch}
.series-intro{font-size:20px;line-height:1.55;max-width:58ch;margin:0 0 24px}
.series-description{font-size:17px;line-height:1.6;max-width:58ch;margin:0 0 28px}
.series-start{display:inline-flex;align-items:center;gap:20px;padding:14px 22px;background:var(--accent);color:var(--on-accent);font-weight:700;text-decoration:none;min-height:48px}
.series-start:hover{background:var(--ink);color:var(--paper)}
.series-start svg,.chapter-action svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.5;flex-shrink:0}
.series-context{grid-column:2;grid-row:1;align-self:center;padding:24px 0 0;border-top:1px solid var(--line-strong)}
.series-context h2{font-size:28px;line-height:1.2;margin:0 0 16px}
.series-context p{font-size:16px;line-height:1.65;margin:0 0 16px}
.series-context p:last-child{margin-bottom:0}
.series-context a,.series-guide a:not(.series-start):not(.series-chapter),.series-navigation a{color:var(--accent);text-underline-offset:4px}
.series-contents{grid-column:1/-1;grid-row:2;border-top:1px solid var(--ink);padding-top:40px}
.series-contents>h2{font-size:36px;line-height:1.15;margin:0 0 12px}
.series-reading-note{font-size:16px;line-height:1.6;margin:0 0 24px;color:var(--muted)}
.series-chapters{list-style:none;padding:0;margin:0;counter-reset:chapter}
.series-chapters>li{margin:0;border-top:1px solid var(--line)}
.series-chapters>li:last-child{border-bottom:1px solid var(--line)}
.series-chapter{display:grid;grid-template-columns:64px minmax(0,1fr) 136px;gap:24px;padding:28px 16px 28px 0;text-decoration:none;color:var(--ink);transition:background-color .18s ease-out}
.series-chapter:hover{background:var(--accent-soft)}
.chapter-number{font-family:var(--f-inst);font-size:36px;font-weight:500;line-height:1.15;color:var(--accent);font-variant-numeric:tabular-nums}
.chapter-copy h3{font-size:30px;font-weight:600;line-height:1.2;margin:0 0 10px}
.chapter-copy p{font-size:17px;line-height:1.55;max-width:65ch;margin:0}
.chapter-action{display:flex;align-items:center;justify-content:flex-end;gap:12px;font-size:15px;font-weight:700;color:var(--accent);white-space:nowrap}
.series-ending{grid-column:1/-1;grid-row:3;margin-top:40px;font-size:16px}
.series-draft{font-size:15px;margin:0 0 24px;color:var(--muted)}
.series-navigation{font-family:var(--f-body);margin:40px 0;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.series-back{display:inline-block;font-size:16px;line-height:1.5;margin-bottom:24px}
.series-neighbors{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
.series-neighbor{display:block;text-decoration:none;min-height:48px}
.series-neighbor span{display:block;font-size:14px;color:var(--muted);margin-bottom:8px}
.series-neighbor strong{font-size:20px;line-height:1.4;font-weight:700}
.series-neighbor:hover strong{text-decoration:underline;text-underline-offset:4px}
.series-guide a:focus-visible,.series-navigation a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}
.series-guide ::selection,.series-navigation ::selection{background:var(--accent);color:var(--on-accent)}
@media(max-width:760px){.series-guide{display:flex;flex-direction:column;padding:24px 24px 56px}.series-opening{order:0;padding-bottom:24px} .series-contents{order:1;padding-top:28px}.series-context{order:2;margin-top:40px}.series-ending{order:3}.series-opening h1{max-width:18ch}.series-context{padding-top:24px}.series-context p{max-width:65ch}.series-chapter{grid-template-columns:44px minmax(0,1fr);gap:16px;padding:24px 0}.chapter-number{font-size:30px}.chapter-copy h3{font-size:27px}.chapter-action{grid-column:2;justify-content:flex-start}.series-neighbors{grid-template-columns:1fr;gap:24px}.series-intro{font-size:19px;margin-bottom:16px}.series-description{margin-bottom:20px}.series-draft{margin-bottom:16px}}
@media(prefers-reduced-motion:reduce){.series-chapter{transition:none}}

.series-system{grid-column:1/-1;grid-row:2;padding:32px 0 40px;border-top:1px solid var(--ink)}.series-system h2{font-size:36px;line-height:1.15;margin:0 0 24px}.series-system picture,.series-system img{display:block;width:100%;height:auto}.series-picture-note{display:none}.series-contents{grid-row:3}.series-ending{grid-row:4}@media(max-width:760px){.series-system{order:1;padding:28px 0}.series-contents{order:2}.series-context{order:3}.series-ending{order:4}.series-picture-note{display:block;font-size:14px;line-height:1.5;margin:16px 0 0}}