/* V051 paper-blue / index-led / type-led / tabbed-index / compact-list */
:root{--paper:#f5f2e9;--paper-2:#fffdf7;--ink:#182334;--muted:#58677a;--blue:#164e8c;--blue-2:#286da8;--blue-soft:#dceaf6;--line:#a9bfd2;--accent:#c85a2e;--white:#fff;--shadow:0 14px 40px rgba(19,53,82,.1);font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;min-width:0;background:linear-gradient(90deg,rgba(22,78,140,.035) 1px,transparent 1px),var(--paper);background-size:24px 24px;overflow-x:hidden}a{color:var(--blue);text-underline-offset:.2em}a:hover{color:var(--accent)}button,input{font:inherit}.wrap,.inner-main,.breadcrumbs{width:min(1180px,calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;left:12px;top:-80px;z-index:99;padding:10px 14px;background:var(--ink);color:white}.skip-link:focus{top:12px}.site-header{background:rgba(245,242,233,.96);border-bottom:1px solid var(--line);position:relative;z-index:3}.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0 16px}.wordmark{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;letter-spacing:-.03em;font-size:clamp(1.02rem,2vw,1.28rem)}.wordmark-index{display:inline-grid;place-items:center;width:34px;height:34px;background:var(--blue);color:white;font:700 .72rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.build-state{color:var(--muted);font-size:.86rem}.nav-shell{padding:0}.nav-shell summary{display:none;cursor:pointer;padding:10px 0;font-weight:700;color:var(--blue)}.primary-nav{display:flex;align-items:stretch;gap:0;border-top:1px solid var(--line)}.primary-nav a{flex:1;min-width:0;padding:12px 9px;color:var(--ink);text-align:center;text-decoration:none;border-right:1px solid var(--line);font-size:.82rem;font-weight:650}.primary-nav a:first-child{border-left:1px solid var(--line)}.primary-nav a:hover,.primary-nav a:focus-visible{background:var(--blue);color:white}.home-tab{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.home-main{width:100%}.inner-main{padding:26px 0 72px}.breadcrumbs{padding-top:22px;display:flex;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:.82rem}.inner-main>.breadcrumbs{width:100%;padding-top:0;margin-bottom:24px}.inner-main>h1{font-size:clamp(2rem,5vw,4.7rem);line-height:1.04;letter-spacing:-.06em;max-width:1040px;margin:18px 0 34px;padding-bottom:28px;border-bottom:4px solid var(--blue)}.home-main>h1{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.hero{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.7fr);gap:46px;padding-top:76px;padding-bottom:70px}.hero-copy{position:relative}.hero-copy:before{content:"01—04";display:block;font:700 .75rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent);letter-spacing:.18em;margin-bottom:28px}.hero-copy:after{content:"一 二 三 四";display:block;font-size:clamp(4.5rem,13vw,10rem);font-weight:900;letter-spacing:-.1em;line-height:.8;color:var(--blue);margin:20px 0 34px;white-space:nowrap}.eyebrow,.section-heading>p{font:700 .72rem/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.14em;color:var(--accent)}.hero-lead{font-size:clamp(1.15rem,2.4vw,1.62rem);line-height:1.62;max-width:780px;margin:0}.hero-index{align-self:end;background:var(--paper-2);border:1px solid var(--line);box-shadow:var(--shadow);padding:24px}.hero-index h2{font-size:.9rem;text-transform:uppercase;letter-spacing:.12em;margin:0 0 16px}.hero-index ol{list-style:none;padding:0;margin:0}.hero-index li{display:flex;gap:12px;padding:13px 0;border-top:1px solid var(--line)}.hero-index strong{color:var(--blue);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px;margin-top:28px}.button{display:inline-block;background:var(--blue);color:white;text-decoration:none;padding:12px 17px;border:1px solid var(--blue);font-weight:750}.button:hover{background:var(--accent);border-color:var(--accent);color:white}.text-link{font-weight:700}.section-block{padding-top:72px;padding-bottom:72px}.section-heading{display:grid;grid-template-columns:minmax(150px,.4fr) minmax(0,1fr);gap:24px;align-items:start;margin-bottom:34px}.section-heading h2{font-size:clamp(1.8rem,4vw,3.5rem);line-height:1.08;letter-spacing:-.045em;margin:0}.section-heading>p{margin:.65em 0 0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:44px;font-size:1.08rem}.compact-index{border-top:2px solid var(--ink)}.index-card{display:grid;grid-template-columns:80px minmax(0,1fr);gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}.index-card h2{font-size:1.1rem;margin:0 0 5px}.index-card p{color:var(--muted);margin:0}.index-no{font:700 .82rem/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--blue)}.blue-band{background:var(--blue);color:white;padding:72px 0}.inverse h2,.inverse p{color:white}.risk-grid,.method-grid,.guide-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:rgba(255,255,255,.4);border:1px solid rgba(255,255,255,.4)}.risk-grid article{background:var(--blue);padding:24px}.risk-grid h3{margin:0 0 10px;font-size:1.1rem}.risk-grid p{margin:0;color:#e7f2fd}.split-index{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);gap:48px}.reading-list{list-style:none;padding:0;margin:0;border-top:2px solid var(--ink)}.reading-list li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;border-bottom:1px solid var(--line);padding:15px 0}.reading-list span{color:var(--muted);font-size:.82rem}.tag-panel{background:var(--blue-soft);padding:25px;align-self:start;position:sticky;top:20px}.tag-panel h2{margin-top:0}.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}.tag-cloud a{background:var(--paper-2);border:1px solid var(--line);padding:6px 9px;text-decoration:none;font-size:.82rem}.guide-grid{background:var(--line)}.guide-grid article,.method-grid article{background:var(--paper-2);padding:24px}.guide-grid h3,.method-grid h3{margin-top:0}.guide-grid p,.method-grid p{margin-bottom:0;color:var(--muted)}.note{border-left:4px solid var(--accent);padding-left:14px;color:var(--muted)}.faq details{border-top:1px solid var(--line);padding:18px 0}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:750}.faq p{max-width:780px}.inner-lead{display:grid;grid-template-columns:minmax(150px,.35fr) minmax(0,1fr);gap:30px;padding:28px 0 48px}.inner-lead>p:not(.eyebrow){font-size:1.22rem;margin:0}.content-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);gap:48px;margin:22px 0 34px}.content-grid h2,.article-layout h2,.related-reading h2,.policy-body h2,.callout h2,.tool-panel h2,.pause-card h2,.template-card h2{font-size:1.45rem;line-height:1.25;margin-top:38px}.content-grid h2:first-child,.policy-body h2:first-child,.tool-panel h2:first-child,.pause-card h2:first-child,.template-card h2:first-child{margin-top:0}.boundary-box{background:var(--blue-soft);padding:24px;align-self:start;border-top:5px solid var(--blue)}.boundary-box h2{margin-top:0}.step-list{padding-left:1.2em}.step-list li{margin:13px 0}.callout{background:var(--paper-2);border:1px solid var(--line);border-left:7px solid var(--blue);padding:24px 28px;margin:42px 0}.callout h2{margin-top:0}.article-layout{max-width:850px}.article-intro{background:var(--blue-soft);padding:30px;margin-bottom:44px}.article-intro>p:not(.eyebrow){font-size:1.2rem}.article-intro dl{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:24px 0 0}.article-intro dl>div{background:var(--paper-2);padding:14px}.article-intro dt{font-size:.75rem;color:var(--muted)}.article-intro dd{margin:5px 0 0}.numbered-steps{list-style:none;padding:0;border-top:2px solid var(--ink)}.numbered-steps li{display:grid;grid-template-columns:52px minmax(0,1fr);gap:18px;padding:15px 0;border-bottom:1px solid var(--line)}.numbered-steps span{color:var(--blue);font:700 .82rem/1.8 ui-monospace,SFMono-Regular,Menlo,monospace}.numbered-steps p{margin:0}.warning{border:1px solid var(--accent);padding:20px;background:#fff5ed}.warning h3{margin-top:0}.check-list{padding-left:1.2em}.check-list li{margin:12px 0}.article-footer{display:flex;flex-wrap:wrap;gap:20px;border-top:1px solid var(--line);margin-top:42px;padding-top:20px;color:var(--muted)}.related-reading{margin-top:60px;padding-top:28px;border-top:4px solid var(--blue)}.related-reading ul{padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:20px}.related-reading li{background:var(--paper-2);padding:20px;border:1px solid var(--line)}.related-reading li p{margin-bottom:0;color:var(--muted)}.profile-head{max-width:820px;background:var(--paper-2);border:1px solid var(--line);padding:28px}.profile-head .role{font-size:1.3rem;font-weight:700;color:var(--blue)}.status-pill{display:inline-block!important;font-size:.9rem!important;background:var(--blue-soft);border:1px solid var(--line);padding:8px 12px}.tool-panel,.pause-card,.template-card{background:var(--paper-2);border:1px solid var(--line);padding:28px;margin:30px 0}.tool-panel label{display:block;font-weight:700;margin-bottom:8px}.tool-row{display:grid;grid-template-columns:1fr auto;gap:10px}.tool-row input{min-width:0;border:1px solid var(--line);padding:12px;background:white}.tool-row button{border:0;background:var(--blue);color:white;padding:10px 16px;font-weight:700;cursor:pointer}.tool-output{margin-top:16px;padding:16px;background:var(--blue-soft);white-space:pre-wrap;overflow-wrap:anywhere}.interactive-list{display:grid;gap:13px}.interactive-list label{display:flex;align-items:flex-start;gap:10px}.pause-card ol{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);padding:1px;list-style:none}.pause-card li{display:flex;flex-direction:column;background:var(--paper);padding:20px}.pause-card strong{color:var(--blue);font-size:1.15rem}.template-card dl{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}.template-card dl>div{display:grid;grid-template-columns:150px 1fr;background:var(--paper);padding:14px}.template-card dt{font-weight:700}.template-card dd{margin:0}.policy-body{max-width:850px}.policy-body code{overflow-wrap:anywhere}.not-found{padding:30px 0 80px;max-width:780px}.error-code{font:900 clamp(6rem,22vw,15rem)/.75 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--blue);letter-spacing:-.12em;margin:30px 0}.site-footer{background:var(--ink);color:#dce7f0;padding:58px 0 26px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:42px}.site-footer h2{font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:white}.site-footer p{color:#b7c6d3}.footer-links{display:flex;flex-direction:column;align-items:flex-start;gap:7px}.site-footer a{color:#dce7f0}.footer-note{border-top:1px solid #445164;padding-top:22px;margin-top:38px;color:#91a2b1;font-size:.82rem}
@media(max-width:900px){.risk-grid,.guide-grid,.method-grid{grid-template-columns:1fr 1fr}.section-heading{grid-template-columns:120px 1fr}.hero{grid-template-columns:1fr}.hero-index{align-self:auto}.split-index,.content-grid{grid-template-columns:1fr}.tag-panel{position:static}.article-intro dl{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid section:first-child{grid-column:1/-1}}
@media(max-width:640px){.wrap,.inner-main,.breadcrumbs{width:min(100% - 28px,1180px)}.brand-row{align-items:flex-start;flex-direction:column;gap:7px}.build-state{font-size:.76rem}.nav-shell{padding-bottom:10px}.nav-shell summary{display:block}.nav-shell[open] summary{border-bottom:1px solid var(--line)}.primary-nav{display:grid;grid-template-columns:1fr 1fr;border-top:0}.primary-nav a{border:0;border-bottom:1px solid var(--line);text-align:left;padding:11px 8px}.primary-nav a:first-child{border-left:0}.hero{padding-top:46px;padding-bottom:46px}.hero-copy:after{font-size:clamp(3.7rem,22vw,6.5rem)}.section-block,.blue-band{padding-top:48px;padding-bottom:48px}.section-heading,.inner-lead{grid-template-columns:1fr;gap:6px}.two-col{grid-template-columns:1fr;gap:10px}.index-card{grid-template-columns:54px minmax(0,1fr)}.risk-grid,.guide-grid,.method-grid{grid-template-columns:1fr}.reading-list li{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid section:first-child{grid-column:auto}.related-reading ul{grid-template-columns:1fr}.pause-card ol{grid-template-columns:1fr}.tool-row{grid-template-columns:1fr}.template-card dl>div{grid-template-columns:1fr}.inner-main>h1{font-size:clamp(2rem,11vw,3.6rem);overflow-wrap:anywhere}.article-footer{display:block}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}