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.section{padding-top:68px;padding-bottom:68px}.section-heading{margin-bottom:28px}.section-heading h2{font-family:var(--serif);font-size:clamp(24px,2.6vw,32px);line-height:1.7;font-weight:500;margin-bottom:8px}.section-heading>p:last-child:not(.eyebrow){color:var(--muted);font-size:14px;margin:0}.correspondents{display:grid;grid-template-columns:1fr 80px 1fr;align-items:stretch}.correspondents article{background:var(--gray);padding:27px 30px;border-radius:5px}.role{font-size:13px;color:var(--muted);letter-spacing:.03em;margin-bottom:7px}.correspondents h3,.otani-note h3{font-family:var(--serif);font-size:25px;font-weight:500;margin:0 0 10px}.correspondents article>p:last-child{font-size:15px;margin:0}.correspondence-arrow{display:flex;flex-direction:column;justify-content:center;align-items:center;font-size:29px;line-height:1.6}.correspondence-arrow span{font-size:12px}.otani-note{display:grid;grid-template-columns:210px 1fr;gap:30px;border-bottom:1px solid var(--line);padding:28px 0 24px}.otani-note>p{font-size:15px;margin:0}.otani-note h3{margin:0}.source-note{font-size:13px;color:var(--muted);line-height:1.8;margin:18px 0 0}.source-note a{overflow-wrap:anywhere}
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@media(max-width:540px){.wrap{width:calc(100% - 36px)}.letter-header{padding:17px 18px;gap:12px}.brand{font-size:18px}.back-link{font-size:12px}.back-link span{margin-left:4px}.letter-heading{padding-top:29px;padding-bottom:27px}.mobile-break{display:block}h1{font-size:28px;line-height:1.65;margin-bottom:12px}.letter-meta{font-size:13px;line-height:1.9;margin-bottom:15px}.letter-meta span{display:block;margin-left:0}.intro{font-size:15px}.intro br{display:none}.reader-heading{display:block}.reader-heading h2{font-size:17px}.reader-heading>p{font-size:13px;margin-top:3px}.transcription{padding:20px 15px}.small-label{margin-bottom:12px;font-size:12px}.quote-opening{font-size:19px}.phrase{padding:11px 9px;gap:10px}.phrase>span:nth-child(2){font-size:19px}.phrase-arrow{font-size:14px}.transcription-note{margin-top:15px;font-size:12px}.meaning-area{padding:25px 22px}.meaning-panel{min-height:350px}.meaning-panel h3{font-size:25px}.meaning-step{margin-bottom:13px}.translation-label{margin-bottom:20px}.reader-controls{margin-top:18px}.whole-quote{font-size:19px}.section{padding-top:46px;padding-bottom:46px}.section-heading{margin-bottom:22px}.section-heading h2{font-size:24px}.correspondents{grid-template-columns:1fr}.correspondents article{padding:21px 23px}.correspondence-arrow{height:58px;flex-direction:row;gap:13px;font-size:0}.correspondence-arrow::after{content:"↓";font-size:24px}.correspondence-arrow span{font-size:12px}.otani-note{padding-top:22px}.letter-timeline li{grid-template-columns:84px 1fr;gap:14px}.letter-timeline time{font-size:18px}.context-reading{padding-left:18px;margin-top:30px}.context-reading h3{font-size:21px}.document-data{grid-template-columns:1fr;gap:0}.document-data>div{gap:18px}.closing-links{flex-direction:column;gap:12px}.closing-links a{justify-content:space-between}.letter-footer{font-size:12px;gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}

/* Readings from the same letter, and diagrams of the instructions it contains. */
.eyebrow>a{text-decoration:none}.eyebrow>a:hover{text-decoration:underline}.quote-omission{font-family:var(--sans);font-size:13px;color:var(--muted);margin:4px 0 4px 36px;letter-spacing:.1em}.whole-quote .quote-omission{display:inline-block;margin:12px 0}.reading-prose{max-width:830px}.reading-prose>p{margin-bottom:20px;line-height:2}.reading-prose>p:last-child{margin-bottom:0}.inline-quote{margin:28px 0;padding:25px 28px;border-left:3px solid var(--navy);background:#fff}.inline-quote p{font-family:var(--serif);font-size:clamp(19px,2vw,25px);line-height:2;margin:0}.inline-quote footer{font-size:12px;color:var(--muted);margin-top:15px}
.explanation-flow{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;padding:0;margin:32px 0 0}.explanation-flow li{padding:24px;background:var(--gray);border-top:2px solid var(--navy);border-radius:0 0 5px 5px}.explanation-flow li>span{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.explanation-flow h3{font-family:var(--serif);font-size:21px;font-weight:500;margin:10px 0 6px}.explanation-flow p{font-size:14px;margin:0}
.messenger-diagram{max-width:830px;margin:0 0 30px;padding:30px;background:var(--gray);border-radius:8px}.dispatch-start{text-align:center}.route-label{display:inline-block;border:1px solid var(--navy);padding:7px 24px;border-radius:4px;font-family:var(--serif);font-size:22px;background:#fff}.dispatch-start p{margin:10px 0 0;font-size:15px}.route-down{display:block;font-size:24px;line-height:1.5;margin:6px 0;color:var(--muted)}.route-recipient{background:var(--navy);color:#fff}.dispatch-branches{display:grid;grid-template-columns:1fr 1fr;gap:28px;position:relative;padding-top:28px;margin-top:18px}.dispatch-branches::before{content:"";position:absolute;left:25%;right:25%;height:18px;top:0;border:1px solid #91a1b3;border-bottom:0}.dispatch-branches::after{content:"";position:absolute;width:1px;height:18px;top:-18px;left:50%;background:#91a1b3}.dispatch-branch{background:#fff;padding:22px 20px;text-align:center;border:1px solid var(--line);border-radius:5px}.route-count{margin:0 0 14px}.route-count strong{display:block;font-family:var(--serif);font-size:30px;font-weight:500}.route-count span{font-size:13px;color:var(--muted)}.dispatch-branch>p:not(.route-count){font-size:14px;margin:0}.dispatch-branch h3{font-family:var(--serif);font-size:22px;font-weight:500;margin:0}.messenger-diagram figcaption{font-size:12px;color:var(--muted);line-height:1.8;margin-top:22px}
.series-section{border-top:1px solid var(--line)}.series-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.series-grid li{min-width:0;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:7px;background:#fff;overflow:hidden}.series-grid li>a,.series-current{padding:26px}.series-grid li>a{display:flex;flex-direction:column;flex:1;text-decoration:none;transition:background .2s}.series-grid li>a:hover{background:var(--gray)}.series-number{font-size:13px;font-variant-numeric:tabular-nums;color:var(--muted);letter-spacing:.08em}.series-grid h3{font-family:var(--serif);font-size:24px;line-height:1.7;font-weight:500;margin:18px 0 12px}.series-grid p{font-size:14px;color:var(--muted);line-height:1.85;margin:0 0 22px}.series-action{display:block;font-size:13px;margin-top:auto}.series-action>span{float:right}.series-grid .series-current{background:var(--navy);border-color:var(--navy);color:#fff}.series-current .series-number,.series-current .series-action{color:var(--gold)}.series-current p{color:#d2dae4}.series-all{display:inline-block;margin-top:22px}.series-intro{padding-top:64px;padding-bottom:46px}.series-intro h1{font-size:clamp(30px,4vw,46px)}.series-index{padding-bottom:60px}.series-lede{max-width:46em;margin-bottom:28px;line-height:2}.how-to-read{margin-top:38px;border-top:1px solid var(--line);padding-top:26px;max-width:830px}.how-to-read h2{font-size:17px;margin-bottom:9px}.how-to-read p,.index-source>p{font-size:14px;color:var(--muted);margin-bottom:0}.index-source{margin-top:30px;background:var(--gray);border-radius:5px;padding:24px 28px}.index-source .small-label{margin-bottom:12px}.index-source-links{display:flex;gap:18px 30px;flex-wrap:wrap;font-size:14px;margin-top:15px}
@media(max-width:800px){.series-grid{grid-template-columns:1fr}.series-grid h3{font-size:24px;margin-top:8px}.series-grid p{margin-bottom:16px}.series-grid li>a,.series-current{padding:23px 26px}.explanation-flow{gap:12px}.explanation-flow li{padding:20px 17px}.explanation-flow h3{font-size:19px}}
@media(max-width:540px){.series-intro{padding-top:35px;padding-bottom:32px}.series-intro h1{font-size:30px}.series-index{padding-bottom:42px}.series-lede{font-size:15px}.index-source{padding:22px}.explanation-flow{grid-template-columns:1fr;gap:10px}.explanation-flow li{padding:17px 20px}.explanation-flow h3{margin-top:4px;font-size:21px}.inline-quote{padding:20px 18px}.inline-quote p{font-size:19px}.messenger-diagram{padding:22px 14px}.dispatch-branches{gap:12px}.dispatch-branch{padding:18px 10px}.dispatch-branch h3{font-size:18px;line-height:1.8}.route-count span{font-size:12px}.dispatch-branch>p:not(.route-count){font-size:13px}.route-label{font-size:21px}.reading-prose>p{font-size:15px}.series-section .section-heading h2{font-size:23px}}

/* Public-commentary readings: keep summaries distinct from original text. */
.document-story .phrase>span:nth-child(2){font-size:clamp(18px,1.8vw,22px)}
.document-story .transcription-note{font-size:14px}.document-story .translation-label{font-size:14px}
.exchange-diagram,.delegation-diagram{max-width:900px;padding:32px;background:var(--gray);border-radius:8px}
.exchange-route{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;gap:20px;text-align:center}
.exchange-route>div{padding:20px 12px;background:#fff;border:1px solid var(--line);border-radius:5px}
.exchange-route>div>span,.delegation-origin>span{display:block;font-size:14px;color:var(--muted)}
.exchange-route strong,.delegation-origin strong{display:block;font-family:var(--serif);font-size:26px;font-weight:500}
.exchange-route>p{font-size:14px;margin:0}.exchange-route>p>span{display:block;font-size:26px;line-height:1.5}
.exchange-middle{font-size:15px;text-align:center;padding:16px 0;margin:0;color:var(--muted)}
.paired-documents,.related-readings{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.paired-documents article{padding:24px;background:var(--navy);color:#fff;border-radius:5px}
.paired-documents h3{font-family:var(--serif);font-size:23px;font-weight:500;margin-bottom:12px}.paired-documents .small-label{color:var(--gold);font-size:14px;margin-bottom:12px}.paired-documents p{font-size:16px;margin:0}
.word-notes{max-width:830px;margin:0}.word-notes>div{display:grid;grid-template-columns:110px 1fr;gap:25px;border-top:1px solid var(--line);padding:24px 0}.word-notes dt{font-family:var(--serif);font-size:24px}.word-notes dt>span{display:block;font-family:var(--sans);font-size:14px;color:var(--muted)}.word-notes dd{font-size:16px;margin:0}
.delegation-origin{text-align:center;background:var(--navy);color:#fff;padding:22px;border-radius:5px;max-width:330px;margin:auto}.delegation-origin>span{color:var(--gold)}
.delegation-branches{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding-top:32px;margin-top:0;position:relative}.delegation-branches:before{content:"";position:absolute;top:0;left:50%;height:20px;width:1px;background:#8795a6}.delegation-branches article{background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy);padding:25px}.delegation-branches h3{font-family:var(--serif);font-size:24px;font-weight:500;line-height:1.9;margin:12px 0}.delegation-branches article>p:last-child{font-size:16px;margin:0}.delegation-branches .role{font-size:14px}
.related-readings a{display:flex;flex-direction:column;gap:12px;padding:26px;border:1px solid var(--line);border-radius:7px;text-decoration:none}.related-readings a:hover{background:var(--gray)}.related-readings strong{font-family:var(--serif);font-size:23px;font-weight:500;line-height:1.7}.related-readings span{font-size:14px;color:var(--muted)}.related-readings span:last-child{margin-top:auto;color:var(--ink)}
.series-grid.series-grid-pair{grid-template-columns:1fr 1fr}.series-reading-type{font-size:14px;line-height:1.6;color:var(--muted);margin-top:10px}.series-index+.series-index{padding-top:40px;border-top:1px solid var(--line)}.library-jump{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:24px;font-size:14px}.library-jump a{padding-block:7px}.letter-footer{flex-wrap:wrap}
@media(max-width:800px){.series-grid.series-grid-pair{grid-template-columns:1fr}.exchange-diagram,.delegation-diagram{padding:24px}.related-readings{grid-template-columns:1fr}}
@media(max-width:540px){.document-story .meaning-panel{min-height:0}.exchange-route{grid-template-columns:1fr;gap:10px}.exchange-route>p>span{font-size:0}.exchange-route>p>span::after{content:"↓";font-size:24px}.paired-documents,.delegation-branches{grid-template-columns:1fr;gap:16px}.exchange-diagram,.delegation-diagram{padding:20px 18px}.paired-documents article,.delegation-branches article{padding:22px 20px}.word-notes>div{grid-template-columns:1fr;gap:6px}.word-notes dt>span{display:inline;margin-left:12px}.letter-heading .eyebrow>span{display:block;margin-left:0;font-size:13px;margin-top:7px}.document-story~.section .reading-prose>p,.context-section .reading-prose>p{font-size:16px}.intro{font-size:16px}.letter-footer a{min-height:36px;display:flex;align-items:center}}

.word-reading{ruby-align:center;ruby-position:over;white-space:nowrap}.word-reading rt{font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN",sans-serif;font-size:.55em;font-weight:400;letter-spacing:0}