@font-face{font-family:Golos;src:url('/assets/fonts/golos-cyrillic.woff2') format('woff2');font-weight:400 800;font-style:normal;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Golos;src:url('/assets/fonts/golos-latin.woff2') format('woff2');font-weight:400 800;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:root{--ink:#142d3d;--muted:#526676;--brand:#07536b;--accent:#087ba0;--pale:#edf6fa;--line:#dbe6ec;--paper:#fff;--radius:10px;--content:76ch;--ease:cubic-bezier(.16,1,.3,1);color-scheme:light;font-family:Golos,'Segoe UI',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;font-size:17px;line-height:1.7}a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:var(--brand)}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}::selection{color:#fff;background:var(--brand)}:focus-visible{outline:3px solid #d99200;outline-offset:4px}input{caret-color:var(--brand)}svg{stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}img{display:block;max-width:100%;height:auto}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.2;text-wrap:balance;letter-spacing:-0.025em}h1{font-size:clamp(2rem,3.2vw,2.85rem);font-weight:750}h2{font-size:clamp(1.45rem,2.1vw,1.9rem);font-weight:700}h3{font-size:1.12rem}p+p{margin-top:1em}.skip-link{position:absolute;top:8px;left:12px;z-index:5;padding:8px 16px;color:#fff;background:var(--brand);transform:translateY(-160%)}.skip-link:focus{transform:none}
.masthead{background:var(--brand);color:#fff}.masthead-inner{max-width:1320px;margin:auto;padding:23px 36px;display:flex;align-items:center;gap:38px}.brand{display:flex;flex-direction:column;flex-shrink:0;text-decoration:none;color:#fff}.brand:hover{color:#fff}.brand-name{font-size:1.55rem;font-weight:750;line-height:1.15;letter-spacing:-0.025em}.brand-line{color:#d2e5ed;font-size:.75rem;margin-top:4px;line-height:1.3}.primary-nav{display:flex;align-items:center;gap:28px;margin-left:auto}.primary-nav a{color:#fff;text-decoration:none;font-size:.9rem;font-weight:550;border-bottom:2px solid transparent;padding:6px 0}.primary-nav a:hover,.primary-nav a[aria-current]{border-color:#a3d6e5}.search-link{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-size:.85rem}.search-link:hover{color:#d2e5ed}.search-link span{display:none}
.layout{display:grid;grid-template-columns:205px minmax(0,1fr);gap:48px;max-width:1220px;margin:0 auto;padding:34px 36px 80px}.contents{padding-top:12px}.contents-inner{position:sticky;top:30px;padding-right:22px;border-right:1px solid var(--line)}.contents-title{font-size:.8rem;font-weight:650;color:var(--muted);margin-bottom:16px}.contents a{display:block;color:var(--muted);text-decoration:none;line-height:1.45;font-size:.88rem;margin:0 0 16px;padding:2px 0}.contents a:hover,.contents a[aria-current]{color:var(--accent)}.contents a[aria-current]{font-weight:650}.article{min-width:0;max-width:var(--content)}.breadcrumbs{font-size:.77rem;color:var(--muted);display:flex;gap:9px;flex-wrap:wrap;margin-bottom:16px}.breadcrumbs a{color:var(--muted);text-decoration:none}.breadcrumbs a:hover{text-decoration:underline}.article-lead{font-size:1.15rem;line-height:1.65;color:#3e5667;margin-top:17px}.meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px 14px;color:var(--muted);font-size:.76rem;margin:17px 0 25px}.meta span+span:before,.meta time:before{content:"·";margin-right:14px}.quick-answer{background:var(--pale);padding:23px 26px;border-radius:var(--radius);scroll-margin-top:28px}.quick-answer h2{font-size:1.2rem;margin-bottom:9px;letter-spacing:-0.015em}.quick-answer p{font-size:1rem;line-height:1.65}.article-section{margin-top:42px;scroll-margin-top:28px}.article-section h2{margin-bottom:17px}.article-section>.block{margin-top:20px}.article-section>h2+.block{margin-top:0}.article-section p{line-height:1.85}.table-scroll{max-width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:8px;scrollbar-color:var(--accent) var(--pale);scrollbar-width:thin}table{border-collapse:collapse;width:100%;font-size:.86rem;line-height:1.6;font-variant-numeric:tabular-nums}caption{text-align:left;padding:13px 16px;background:var(--pale);font-weight:650}th,td{text-align:left;vertical-align:top;padding:14px 16px;border-bottom:1px solid var(--line)}thead{color:var(--brand)}th{font-weight:650}tr:last-child td{border-bottom:0}tbody tr:nth-child(even){background:#f8fbfd}td:first-child{font-weight:550}
.steps{list-style:none;padding:0;margin:0;counter-reset:steps}.steps li{position:relative;padding-left:42px;margin:22px 0;counter-increment:steps}.steps li:before{content:counter(steps);position:absolute;left:0;top:0;color:var(--accent);border:1px solid #bddbe7;border-radius:50%;width:28px;height:28px;display:grid;place-items:center;font-size:.8rem;font-weight:650;line-height:1}.steps strong{display:block;margin-bottom:4px}.steps p{font-size:.95rem}.article-figure img{width:100%;aspect-ratio:3 / 1;object-fit:cover;border-radius:8px}.article-figure a{display:block}.article-figure figcaption{font-size:.75rem;line-height:1.6;color:var(--muted);margin-top:9px}.note{padding:19px 22px;background:#f5f8fa;border-radius:8px}.note h3{margin-bottom:7px}.note p{font-size:.9rem}.checklist{border-top:1px solid var(--line);padding-top:18px}.checklist h3{margin-bottom:14px}.check-item{display:flex;align-items:flex-start;gap:12px;margin:14px 0;cursor:pointer;font-size:.96rem}.check-item input{margin:6px 0 0;width:19px;height:19px;flex-shrink:0;accent-color:var(--accent)}.check-item input:checked+span{text-decoration:line-through;color:var(--muted)}.faq{border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line);padding:17px 0}.faq summary{cursor:pointer;font-weight:600;line-height:1.6}.faq details p{margin-top:12px;font-size:.94rem}.sources{padding-top:24px;margin-top:42px;border-top:1px solid var(--line)}.sources h2{font-size:1.2rem}.sources ul{padding-left:20px;font-size:.8rem;line-height:1.8}.sources p{color:var(--muted);font-size:.8rem}.article-end{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.plain-button{border:1px solid var(--line);background:var(--paper);color:var(--brand);border-radius:7px;padding:8px 13px;font-size:.8rem}.plain-button:hover{background:var(--pale)}.article-end>a{font-size:.85rem}
.list-page{max-width:1050px;margin:auto;padding:48px 36px 80px;min-height:68vh}.list-lead{color:var(--muted);margin:18px 0 32px;max-width:65ch}.article-list{margin-top:30px}.article-row{padding:24px 0;border-top:1px solid var(--line)}.article-row h2{font-size:1.4rem;max-width:55ch}.article-row h2 a{color:var(--ink);text-decoration:none}.article-row h2 a:hover{color:var(--accent)}.article-row p{font-size:.95rem;color:var(--muted);margin-top:9px;max-width:72ch}.article-row .row-type{color:var(--accent);font-size:.77rem;margin-top:10px}.search-form{display:flex;gap:10px;margin-top:25px;max-width:650px}.search-form input{min-width:0;flex:1;padding:12px;border:1px solid #9db6c3;border-radius:7px;background:#fff}.search-form button{background:var(--brand);color:#fff;border:0;border-radius:7px;padding:12px 20px}.search-status{color:var(--muted);font-size:.85rem;margin:18px 0}.empty-state{padding:28px 0;border-top:1px solid var(--line);max-width:65ch}.site-footer{border-top:1px solid var(--line);background:#f8fbfd;color:var(--muted);font-size:.8rem}.footer-inner{max-width:1220px;margin:auto;padding:27px 36px;display:flex;align-items:center;gap:28px;flex-wrap:wrap}.footer-inner p{flex:1;font-size:.75rem}.footer-inner a{color:var(--brand);text-decoration:none}.footer-inner>a:first-child{font-weight:650}::-webkit-scrollbar{width:10px;height:8px}::-webkit-scrollbar-track{background:var(--pale)}::-webkit-scrollbar-thumb{background:#a2bdca;border:2px solid var(--pale);border-radius:8px}
@media(min-width:1600px){.layout{max-width:1260px;gap:58px}}
@media(max-width:1050px){.masthead-inner{gap:24px;padding:22px 24px}.primary-nav{gap:18px}.brand-name{font-size:1.3rem}.layout{grid-template-columns:180px minmax(0,1fr);gap:28px;padding-left:24px;padding-right:24px}.contents-inner{padding-right:16px}}
@media(max-width:760px){body{font-size:16px}.masthead-inner{padding:18px 20px;flex-wrap:wrap;gap:16px}.brand-name{font-size:1.4rem}.search-link{margin-left:auto}.search-link span{display:inline}.primary-nav{order:3;width:100%;margin:0;gap:20px;overflow-x:auto;padding-bottom:1px;scrollbar-width:none}.primary-nav a{font-size:.8rem;white-space:nowrap}.layout{display:flex;flex-direction:column;gap:24px;padding:24px 20px 52px}.article{display:contents}.contents{order:3;padding-top:0}.contents-inner{position:static;border:1px solid var(--line);border-radius:8px;padding:15px 18px}.contents-title{margin-bottom:10px}.contents a{display:inline-block;margin:0 18px 8px 0;font-size:.83rem}.article-header{order:1}.quick-answer{order:2;padding:19px 20px}.article-body{order:4;min-width:0}.article-bottom{order:5}.article-lead{font-size:1.04rem;margin-top:14px}.meta{margin:14px 0 0;font-size:.72rem;gap:7px 9px}.meta span+span:before,.meta time:before{margin-right:9px}.breadcrumbs{margin-bottom:13px}.article-section{margin-top:32px}.article-section:first-child{margin-top:7px}.article-section h2{margin-bottom:13px}.article-section p{line-height:1.8}.article-figure img{aspect-ratio:2.3 / 1}.table-scroll table{font-size:.8rem}th,td{padding:12px 11px;overflow-wrap:anywhere}.steps li{padding-left:37px}.list-page{padding:30px 20px 52px}.list-page h1{font-size:2rem}.article-row h2{font-size:1.25rem}.footer-inner{padding:25px 20px;gap:13px}.footer-inner p{flex-basis:100%;order:3}.search-form button{padding:10px 14px}.search-form input{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media print{.masthead,.contents,.article-end,.site-footer,.skip-link{display:none}.layout{display:block;padding:0;max-width:none}.article{max-width:none}.article-section{break-inside:avoid}.article a{color:inherit}.article-figure{max-width:70%}.check-item input{appearance:none}.quick-answer{border:1px solid #ccc}body{font-size:11pt}.table-scroll{overflow:visible}}

/* Observation memo: the existing flat editorial system, with a usable handover card. */
.memo-page .article-header{padding-bottom:32px;border-bottom:1px solid var(--line)}
.memo-page h1{max-width:24ch}
.memo-page .meta{margin-bottom:0}
.memo-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px 24px;margin-top:24px}
.memo-primary{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border:1px solid var(--brand);border-radius:7px;background:var(--brand);color:var(--paper);font:inherit;font-size:.86rem;font-weight:600;line-height:1.45;text-decoration:none}
.memo-primary:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.memo-print{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:8px 0;border:0;background:transparent;color:var(--brand);font-size:.83rem}
.memo-print:hover{text-decoration:underline;text-underline-offset:4px}
.memo-section>p{margin-top:14px}
.memo-section .memo-section-intro{color:var(--muted);font-size:.9rem;margin-top:0}
.memo-checks{margin-top:14px}
.memo-checks .check-item{margin:0;padding:14px 0;border-bottom:1px solid var(--line);line-height:1.65}
.memo-checks .check-item:last-child{border-bottom:0}
.memo-checks .check-item input{width:20px;height:20px;margin-top:4px}
.memo-explainer{margin-top:20px;padding:16px 20px;background:var(--pale);border-radius:8px;font-size:.9rem}
.memo-explainer summary{color:var(--brand);font-weight:600;cursor:pointer;line-height:1.5}
.memo-explainer>div{margin-top:14px}
.memo-explainer p{line-height:1.75}
.memo-page .article-section ul{padding-left:22px}
.memo-page .article-section li+li{margin-top:12px}
.memo-card{margin-top:22px;padding:26px;background:var(--pale);border-radius:10px}
.memo-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 20px}
.memo-field{grid-column:1/-1;min-width:0}
.memo-field-short{grid-column:auto}
.memo-field label{display:block;color:var(--ink);font-size:.92rem;font-weight:650;line-height:1.4}
.memo-field p{margin-top:5px;color:var(--muted);font-size:.76rem;line-height:1.6}
.memo-field textarea,.memo-copy-output{display:block;width:100%;margin-top:9px;padding:11px 12px;border:1px solid #648493;border-radius:7px;background:var(--paper);color:var(--ink);font:inherit;font-size:.9rem;line-height:1.6;min-height:48px;resize:vertical;caret-color:var(--brand)}
.memo-page :focus-visible{outline-color:#b87900}
.memo-field textarea:focus-visible{outline-offset:3px}
.memo-tools{display:flex;align-items:center;flex-wrap:wrap;gap:10px 16px;margin-top:24px}
.memo-tools .plain-button{min-height:46px;padding:10px 16px;font-size:.85rem;background:transparent;border-color:#9db6c3}
.memo-tools .plain-button:hover{background:var(--paper)}
.memo-status{flex-basis:100%;color:var(--brand);font-size:.8rem}
.memo-status:empty{display:none}
.memo-card .memo-help{margin-top:17px;color:var(--muted);font-size:.76rem;line-height:1.65}
.memo-copy-output{min-height:200px}
[hidden]{display:none!important}
@media(max-width:760px){.memo-page .article-header{padding-bottom:24px}.memo-page .article-body{margin-top:0}.memo-page h1{max-width:22ch}.memo-actions{gap:10px 20px;margin-top:20px}.memo-card{padding:20px}.memo-fields{grid-template-columns:1fr;gap:22px}.memo-field-short{grid-column:1/-1}.memo-explainer{padding:16px}.memo-tools{align-items:stretch}.memo-tools button{flex:1 1 180px}}
@media print{.memo-actions,.memo-tools,.memo-help,.memo-copy-output{display:none!important}.memo-page .article{display:block}.memo-page .article-header{padding-bottom:16px}.memo-page .article-section{break-inside:auto;margin-top:20px}.memo-page .memo-card{padding:16px;background:transparent;border:1px solid #bbb}.memo-page .memo-field{break-inside:avoid}.memo-page .memo-fields{gap:14px}.memo-field p{color:#333}.memo-page .memo-field textarea{min-height:45px;background:transparent;color:#000;border-color:#888}.memo-checks .check-item{padding:8px 0;break-inside:avoid}.memo-checks input{appearance:auto}.memo-explainer{display:none}.memo-page h1{font-size:24pt;max-width:none}}
/* Rich informational guides: preserve the Editorial Navigator reading system. */
.guide-page{display:block;max-width:1030px}
.guide-page .article{display:block;max-width:76ch;margin-inline:auto}
.guide-page h1{font-size:clamp(1.85rem,3.1vw,2.6rem);max-width:28ch;text-wrap:balance}
.guide-page .article-lead{max-width:68ch;font-size:1rem;line-height:1.7}
.guide-page .contents{margin-top:26px;padding:0}
.guide-page .contents-inner{position:static;padding:18px 0 4px;border:0;border-bottom:1px solid var(--line)}
.guide-page .contents a{display:inline-block;margin:0 20px 12px 0;max-width:100%;font-size:.8rem}
.guide-page .contents-title{margin-bottom:12px}
.guide-page .article-section{margin-top:48px}
.guide-page .article-section p{line-height:1.8}
.guide-page .article-list-items{padding-left:24px;line-height:1.8}
.guide-page .article-list-items li+li{margin-top:10px}
.guide-page .steps li{margin:24px 0}
.guide-page .steps p{font-size:1rem}
.guide-page .step-result{color:var(--brand);margin-top:10px}
.guide-page .result-note{background:var(--pale);border:1px solid var(--line)}
.guide-page .note h3{font-size:1.12rem;line-height:1.4}
.guide-page .note p{font-size:1rem}
.guide-page .instruction-figure img{height:auto;aspect-ratio:auto;object-fit:contain;border-radius:8px}
.guide-page .instruction-figure figcaption{font-size:.8rem;line-height:1.65}
.command-block figcaption{font-size:.8rem;color:var(--muted);margin-bottom:8px}
.command-block pre{font-size:1rem;line-height:1.6;overflow:auto;padding:18px 20px;background:var(--pale);border:1px solid var(--line);border-radius:8px;scrollbar-color:var(--accent) var(--pale);scrollbar-width:thin}
.command-block code{font-family:Consolas,'Courier New',monospace;color:var(--brand)}
.command-block p{font-size:.9rem;margin-top:10px}
.decision-flow{padding:24px 0;border-block:1px solid var(--line)}
.decision-flow .flow-question{font-size:1.12rem;font-weight:650;color:var(--brand)}
.decision-flow ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:22px 0 0;list-style:none;gap:20px}
.decision-flow li{position:relative;padding-top:16px;border-top:1px solid var(--brand);line-height:1.55}
.decision-flow li:before{content:'';position:absolute;top:-16px;left:14px;height:16px;border-left:1px solid var(--brand)}
.flow-condition{display:block;font-weight:600;font-size:.9rem;margin-bottom:9px}
.decision-flow a{font-size:.9rem;text-underline-offset:4px}
.decision-flow .flow-note{margin-top:20px;font-size:.9rem;color:var(--muted)}
.guide-page .table-scroll table{min-width:590px;font-size:.9rem}
.guide-page .table-scroll th,.guide-page .table-scroll td{line-height:1.65}
@media(max-width:760px){.guide-page{padding:24px 20px 52px}.guide-page .article{display:block}.guide-page h1{font-size:1.85rem;max-width:25ch}.guide-page .article-lead{font-size:1rem}.guide-page .meta{margin-bottom:22px}.guide-page .contents{margin-top:20px}.guide-page .contents a{display:block;margin:0 0 12px}.guide-page .article-section{margin-top:36px}.guide-page .article-section:first-child{margin-top:32px}.decision-flow ul{grid-template-columns:1fr;gap:22px;padding-left:14px}.decision-flow li{padding:0 0 0 20px;border-top:0;border-left:1px solid var(--brand)}.decision-flow li:before{left:-1px;top:13px;width:12px;height:0;border-left:0;border-top:1px solid var(--brand)}.guide-page .instruction-figure img{aspect-ratio:auto}.guide-page .steps li{padding-left:38px}.command-block pre{padding:16px;font-size:.9rem}.guide-page .note{padding:18px}}
@media print{.guide-page .contents{display:none}.guide-page .article{max-width:none}.guide-page .article-section{break-inside:auto}.guide-page .steps li,.guide-page .note,.guide-page figure{break-inside:avoid}.guide-page .article-figure{max-width:100%}.guide-page .table-scroll table{min-width:0}}
.guide-page .steps{list-style:decimal;counter-reset:none;padding-left:26px}
.guide-page .steps li{padding-left:12px;counter-increment:none}
.guide-page .steps li:before{display:none}
.guide-page .steps li::marker{color:var(--brand);font-weight:650;font-variant-numeric:tabular-nums}
.guide-page .steps .command-block{margin-top:14px}
.guide-page .article{max-width:72ch}
.flow-connectors{display:block;width:100%;height:34px;color:var(--brand);margin-top:18px}
.decision-flow ul{padding-top:0}
.decision-flow li{border-top:0;padding-top:8px}
.decision-flow li:before{display:none}
@media(max-width:760px){.flow-connectors{display:none}.decision-flow ul{padding-top:22px}.decision-flow li{padding-top:0}.decision-flow li:before{display:block}}
.decision-flow[data-branches="4"] ul{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:760px){.decision-flow[data-branches="4"] ul{grid-template-columns:1fr}}

/* Wide comparison tables keep words readable; opt-in per article. */
.guide-page .table-wide table{min-width:720px;table-layout:fixed}
.guide-page .table-wide thead th:nth-child(1){width:20%}
.guide-page .table-wide thead th:nth-child(2){width:22%}
.guide-page .table-wide thead th:nth-child(3){width:27%}
.guide-page .table-wide thead th:nth-child(4){width:31%}
.guide-page .table-wide th,.guide-page .table-wide td{overflow-wrap:normal;hyphens:auto}
.table-scroll-hint{display:none}
@media(max-width:760px){.table-scroll-hint{display:block;color:var(--muted);font-size:.86rem;margin-top:20px}.article-section>.table-scroll-hint+.table-scroll{margin-top:8px}}
@media print{.table-scroll-hint{display:none}.guide-page .table-wide table{min-width:0}}

/* Photographic figures stay compact within the reading column. */
.article-section .article-figure--photo{max-width:600px;margin-inline:auto}.article-figure--photo img{display:block;height:auto;aspect-ratio:auto;object-fit:contain}

/* Procedure groups retain their purpose and readable separation. */
.article-section>.procedure-title{margin:28px 0 12px}.article-section>.procedure-title+.steps{margin-top:0}

/* Preserve intrinsic proportions for instructional figures in every article format. */
.instruction-figure img{height:auto;aspect-ratio:auto;object-fit:contain}

/* Wide comparison tables keep readable columns in every article format. */
.table-wide table{min-width:720px;table-layout:fixed}
.table-wide thead th:nth-child(1){width:20%}
.table-wide thead th:nth-child(2){width:22%}
.table-wide thead th:nth-child(3){width:27%}
.table-wide thead th:nth-child(4){width:31%}
.table-wide th,.table-wide td{overflow-wrap:normal;hyphens:auto}
@media print{.table-wide table{min-width:0}}