:root{--paper:#f3f4f0;--ink:#1e272b;--header:#202b31;--amber:#8b5e25;--teal:#355b63;--line:#c5cbc7;--white:#fff;--muted:#5b6669;--serif:Georgia,"Yu Mincho","Hiragino Mincho ProN",serif;--sans:system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.85}a{color:#24515a;text-underline-offset:3px}a:hover{color:#7d4d18}a:focus-visible,button:focus-visible{outline:3px solid #d18d38;outline-offset:3px}.skip-link{position:absolute;top:-60px;left:1rem;padding:.6rem 1rem;background:white;z-index:50}.skip-link:focus{top:1rem}.site-header{min-height:82px;background:var(--header);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:12px max(28px,calc((100vw - 1320px)/2));gap:30px;position:relative;z-index:20}.brand{color:#fff;text-decoration:none;display:flex;gap:12px;align-items:center;font-weight:750;letter-spacing:.1em;font-size:14px;line-height:1.35;white-space:nowrap}.brand small{display:block;font-size:9px;letter-spacing:.16em;color:#d7dbd7}.brand-mark{width:42px;height:42px;border:1px solid #d3a35e;color:#f0c680;display:grid;place-items:center;font-family:monospace;font-size:17px}.primary-nav{display:flex;gap:clamp(12px,2vw,30px);align-items:center;flex-wrap:wrap;justify-content:flex-end}.primary-nav a{color:white;text-decoration:none;font-size:13px;white-space:nowrap;padding:8px 0;border-bottom:1px solid transparent}.primary-nav a:hover,.primary-nav a:focus-visible{border-color:#deb873;color:#f3d6a1}.menu-toggle{display:none}.site-footer{background:#202b31;color:#e9ece8;margin-top:90px;padding:48px 24px}.footer-inner{max-width:1220px;margin:auto}.footer-brand{font-weight:700;color:white;text-decoration:none}.footer-inner p{color:#d0d5d1}.footer-inner nav{display:flex;gap:20px;flex-wrap:wrap;margin:24px 0}.footer-inner nav a{color:#f1d19a;font-size:13px}.footer-inner small{font-size:11px;letter-spacing:.06em;color:#c0c8c5}.home-hero{max-width:1440px;margin:auto;min-height:560px;display:grid;grid-template-columns:42% 58%;background:#202b31;color:white;padding:0 0 0 max(36px,calc((100vw - 1260px)/2));overflow:hidden}.hero-copy{padding:80px 30px 60px 0;align-self:center;z-index:1}.eyebrow,.chapter-index,.side-label{font:600 11px/1.5 ui-monospace,SFMono-Regular,monospace;letter-spacing:.13em;color:var(--amber);margin:0 0 12px}.home-hero .eyebrow{color:#e3be83}.home-hero h1{font-size:clamp(34px,4.1vw,58px);line-height:1.45;letter-spacing:.015em;margin:18px 0 22px;text-shadow:0 2px 8px #10191c}.home-hero .hero-copy>p:not(.eyebrow){font-size:16px;max-width:500px;color:#e1e5e2}.hero-link{display:inline-flex;gap:32px;align-items:center;margin:23px 0 35px;padding:10px 0;color:#f1d19a;border-bottom:1px solid #ad8752;text-decoration:none}.hero-copy>small{display:block;font:10px ui-monospace,monospace;letter-spacing:.12em;color:#bbc4c2}.home-photo,.hero-photo{margin:0;position:relative;overflow:hidden}.home-photo img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}.home-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#202b31aa,transparent 48%),linear-gradient(0deg,#202b314d,transparent 40%);pointer-events:none}.home-photo figcaption,.hero-photo figcaption{position:absolute;bottom:12px;right:16px;color:white;font-size:10px;text-shadow:0 1px 5px #000;z-index:1}.latest-band{max-width:1220px;margin:0 auto;padding:25px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:220px 1fr;align-items:center}.latest-band .chapter-index{margin:0;color:var(--teal)}.latest-band p{margin:0;font-size:14px}.intro-grid{max-width:1220px;margin:85px auto 110px;display:grid;grid-template-columns:1fr 1fr;gap:9%;align-items:start}.intro-grid h2,.section-heading h2,.partner-strip h2{font-family:var(--serif);font-size:clamp(29px,3vw,42px);line-height:1.55;margin:0}.intro-grid>p{margin:28px 0;font-size:17px;color:#3f494c}.home-section{max-width:1220px;margin:0 auto 100px;scroll-margin-top:90px}.section-heading{border-top:2px solid var(--header);padding:23px 0 35px;display:grid;grid-template-columns:1fr 1fr;align-items:end}.section-heading .eyebrow{grid-column:1/-1}.section-heading p:last-child{margin:0;color:var(--muted)}.article-row{display:grid;grid-template-columns:66px 1fr 30px;align-items:center;gap:20px;padding:23px 12px;border-top:1px solid var(--line);color:var(--ink);text-decoration:none}.article-row:last-child{border-bottom:1px solid var(--line)}.row-number{font:24px Georgia,serif;color:#997243}.article-row small{display:block;color:var(--teal);font-size:11px;letter-spacing:.08em}.article-row strong{display:block;font-family:var(--serif);font-size:21px;margin:2px 0}.article-row em{font-style:normal;color:#566165;font-size:13px}.article-row>b{color:var(--amber)}.article-row:hover{background:#e9ece7}.article-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 34px}.partner-strip{max-width:1220px;margin:100px auto 0;padding:36px 40px;background:#e5e9e4;border-left:4px solid var(--amber);display:flex;justify-content:space-between;align-items:center;gap:30px}.partner-strip p{margin:.5rem 0}.partner-strip a,.button-link{display:inline-block;padding:12px 18px;background:var(--header);color:white;text-decoration:none;white-space:nowrap}.article-layout{max-width:1220px;margin:40px auto 0;display:grid;grid-template-columns:minmax(0,800px) 300px;gap:72px;align-items:start}.article-main{min-width:0}.breadcrumb{font-size:12px;color:#687275;margin:0 0 28px}.breadcrumb a{color:#36585e}.article-hero{border-bottom:1px solid var(--line);padding-bottom:30px}.article-hero h1{font-family:var(--serif);font-size:clamp(30px,3.4vw,44px);line-height:1.5;margin:10px 0 16px;letter-spacing:.01em}.article-deck{font-size:17px;color:#465256;line-height:1.8}.article-meta{display:flex;gap:16px;font-size:11px;color:#687275;margin:20px 0}.hero-photo{aspect-ratio:16/9;margin-top:24px;background:#d7dcd7}.hero-photo img{width:100%;height:100%;object-fit:cover;display:block}.article-body{font-size:17px;line-height:2}.article-body p{margin:0 0 1.35em}.lead{font-size:19px;line-height:2.05;margin:34px 0 50px!important;color:#313d40}.chapter,.editorial-block,.case-block,.faq-block{padding:0 0 36px;margin:0 0 45px;border-bottom:1px solid var(--line);scroll-margin-top:90px}.chapter h2,.editorial-block h2,.case-block h2,.faq-block h2,.related-box h2{font-family:var(--serif);font-size:25px;line-height:1.6;margin:0 0 22px}.chapter-index{margin-bottom:7px}.chapter-sources{font-size:12px;color:#657174;margin-top:20px!important}.source-chip{display:inline-block;margin:0 3px;padding:0 5px;border:1px solid #cbd2cd;text-decoration:none;font:11px ui-monospace,monospace}.table-scroll{overflow:auto;max-width:100%;margin:18px 0}.table-scroll table{border-collapse:collapse;width:100%;min-width:650px;font-size:13px;line-height:1.65;background:#fff}.table-scroll caption{text-align:left;font-weight:700;padding:12px 0;color:var(--teal)}th,td{border:1px solid #cbd1cd;padding:10px 12px;text-align:left;vertical-align:top}th{background:#e3e8e4;color:#263538}.table-note,.figure-note{font-size:13px;color:#596467}.process-figure{margin:35px 0 55px;padding:26px;background:#e7ebe6;border-left:3px solid var(--amber)}.process-figure figcaption{font-weight:700;margin-bottom:18px}.flow-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:flow}.flow-list li{counter-increment:flow;position:relative;background:#fff;padding:15px 12px 15px 38px;font-size:13px;line-height:1.65;border-top:2px solid var(--teal)}.flow-list li:before{content:counter(flow,decimal-leading-zero);position:absolute;left:10px;top:13px;font:700 11px ui-monospace,monospace;color:var(--amber)}.case-block{padding:25px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--amber)}.case-block p:last-child{margin-bottom:0}.faq-block details{border-top:1px solid var(--line);padding:16px 2px}.faq-block summary{font-weight:650;cursor:pointer}.faq-block details p{font-size:15px;margin:12px 0 0}.related-box{padding:22px;background:#e6eae5;margin:40px 0}.related-box ul{padding-left:1.4em}.related-box li{margin:8px 0}.article-sidebar{min-width:0}.sidebar-sticky{position:sticky;top:25px;padding-top:38px}.sidebar-sticky h2{font-family:var(--serif);font-size:19px;margin:0 0 14px}.sidebar-sticky nav ol,.sidebar-sticky>ol{padding-left:20px;font-size:13px;line-height:1.65}.sidebar-sticky li{margin:0 0 10px}.side-card{margin-top:35px;padding:20px;background:#e5e9e4;border-top:2px solid var(--teal);font-size:13px;line-height:1.7}.side-card p{margin:10px 0}.side-card a{font-weight:650}.empty-state{margin:35px 0 80px;padding:30px;background:white;border-left:3px solid var(--amber)}.official-contact{margin:55px 0;padding:22px;background:#e5e9e4}.site-footer a:hover{color:white}.ad-slot{display:none}
@media(max-width:1280px){.latest-band,.intro-grid,.home-section,.partner-strip,.article-layout{margin-left:32px;margin-right:32px}.article-layout{gap:45px;grid-template-columns:minmax(0,1fr) 280px}}
@media(max-width:900px){.site-header{padding:12px 22px}.menu-toggle{display:flex;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;background:transparent;border:1px solid #849094;color:white;z-index:3}.menu-toggle span{width:19px;height:2px;background:white}.primary-nav{display:none;position:absolute;right:16px;top:72px;width:min(340px,calc(100vw - 32px));padding:18px;background:#202b31;box-shadow:0 14px 34px #17202366;align-items:stretch;flex-direction:column;gap:3px}.primary-nav.is-open{display:flex}.primary-nav a{padding:11px;border-bottom:1px solid #536065}.home-hero{grid-template-columns:45% 55%;min-height:490px;padding-left:30px}.hero-copy{padding:50px 15px 45px 0}.home-hero h1{font-size:clamp(30px,5vw,44px)}.article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:30px}.article-body{font-size:16px}.sidebar-sticky{top:15px}.flow-list{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){body{font-size:15px}.site-header{min-height:70px;padding:10px 16px}.brand{font-size:12px}.brand-mark{width:37px;height:37px}.home-hero{display:flex;flex-direction:column;padding:0;min-height:auto}.hero-copy{padding:45px 24px 32px}.home-hero h1{font-size:34px}.home-photo{min-height:260px;order:2}.latest-band{margin:0 20px;padding:21px 0;grid-template-columns:1fr;gap:8px}.intro-grid{margin:60px 20px 70px;display:block}.intro-grid>p{margin-top:18px}.home-section{margin:0 20px 72px}.section-heading{display:block;padding:19px 0 25px}.section-heading p:last-child{margin-top:8px}.article-row{grid-template-columns:42px 1fr 18px;gap:10px;padding:18px 2px}.article-row strong{font-size:17px}.article-row em{font-size:12px}.article-grid{display:block}.partner-strip{margin:70px 20px 0;padding:24px;display:block}.partner-strip a{margin-top:14px}.article-layout{display:flex;flex-direction:column;margin:22px 18px 0;gap:18px}.article-main{width:100%}.article-sidebar{order:-1;width:100%}.sidebar-sticky{position:static;padding:14px 16px;background:#e5e9e4}.sidebar-sticky nav ol{display:flex;overflow:auto;gap:18px;white-space:nowrap;padding:0 0 7px 20px;margin:8px 0}.sidebar-sticky nav li{margin:0}.side-card{display:none}.article-hero h1{font-size:30px}.article-deck{font-size:15px}.article-body{font-size:15.5px;line-height:1.95}.lead{font-size:17px!important}.chapter h2,.editorial-block h2,.case-block h2,.faq-block h2{font-size:22px}.hero-photo figcaption{font-size:9px}.flow-list{gap:10px}.flow-list li{font-size:12px;padding:13px 7px 13px 32px}.process-figure{padding:18px}.table-scroll{margin-right:-2px}.site-footer{margin-top:60px;padding:35px 20px}.footer-inner nav{gap:12px}.footer-inner nav a{font-size:12px}}
@media(min-width:701px) and (max-width:900px){.article-layout{margin:28px 25px;grid-template-columns:minmax(0,1fr) 220px;gap:24px}.sidebar-sticky nav ol{padding-left:17px}}
.roles-panel{max-width:1220px;margin:0 auto 105px;padding:34px 0;border-top:2px solid var(--header);border-bottom:1px solid var(--line)}.roles-panel>h2{font-family:var(--serif);font-size:clamp(25px,3vw,36px);line-height:1.5;margin:8px 0 28px}.roles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.roles-grid>section{background:white;border-top:3px solid var(--teal);padding:20px 22px}.roles-grid>section:nth-child(2){border-color:var(--amber)}.roles-grid h3{margin:0;font-family:var(--serif);font-size:20px}.roles-grid p{min-height:72px;font-size:14px;color:#566165}.roles-grid ol{padding-left:22px;font-size:13px}.roles-grid li{padding:4px 0}.pr-ad{margin:20px 0;padding:20px;background:#fff;border:1px solid var(--line);font-size:14px}.pr-ad strong{display:inline-block;margin-right:12px;color:#7d4d18;font-size:12px}
@media(max-width:900px){.roles-panel{margin-left:30px;margin-right:30px}.roles-grid{gap:12px}.roles-grid>section{padding:16px}}
@media(max-width:700px){.roles-panel{margin:0 20px 72px;padding:26px 0}.roles-grid{grid-template-columns:1fr}.roles-grid p{min-height:0;margin:8px 0}.roles-grid ol{display:grid;grid-template-columns:1fr 1fr;gap:3px 18px}}
.discipline-section .article-row{min-height:152px}.source-list{font-size:13px;line-height:1.7;padding-left:1.4em}.source-list li{margin:.5em 0;overflow-wrap:anywhere}

/* NEWS COMMENTARY: blog index cards, commentary article body, TOP latest band */
.commentary-index {
  margin: 38px 0 20px;
}
.commentary-index > h2 {
  font-family: var(--serif);
  font-size: 25px;
  line-height: 1.6;
  margin: 0 0 8px;
}
.commentary-index-lead {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 26px !important;
}
.blog-index-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}
.blog-card {
  min-width: 0;
  background: var(--white);
  border-top: 3px solid var(--teal);
  transition: background .2s;
}
.blog-card:nth-child(3n+2) {
  border-top-color: var(--amber);
}
.blog-card > a {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: var(--ink);
  text-decoration: none;
}
.blog-card:hover {
  background: #e9ece7;
}
.blog-card .card-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #d7dcd7;
}
.blog-card .card-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blog-card .card-body {
  padding: 18px 20px 22px;
}
.blog-card time {
  display: block;
  font: 600 11px/1.5 ui-monospace, SFMono-Regular, monospace;
  letter-spacing: .1em;
  color: var(--teal);
}
.blog-card h3 {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
  margin: 8px 0 10px;
  overflow-wrap: anywhere;
}
.blog-card p {
  font-size: 13px;
  line-height: 1.75;
  color: #566165;
  margin: 0 !important;
}
.commentary-index-more {
  margin: 34px 0 0 !important;
}
.commentary-body > section {
  padding: 0 0 30px;
  margin: 0 0 40px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 90px;
}
.commentary-body > section > h2 {
  font-family: var(--serif);
  font-size: 25px;
  line-height: 1.6;
  margin: 0 0 22px;
  padding-top: 14px;
  border-top: 2px solid var(--header);
}
.commentary-body h3 {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.6;
  margin: 30px 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--amber);
}
.commentary-body .article-intro {
  padding: 4px 24px 22px;
  margin-top: 34px;
  background: var(--white);
  border-bottom: 0;
  border-left: 3px solid var(--teal);
}
.commentary-body .article-intro > h2 {
  border-top: 0;
}
.news-source-ref {
  font-size: 13px;
  line-height: 1.7;
  color: #596467;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  overflow-wrap: anywhere;
}
.commentary-body .article-related {
  padding: 22px;
  background: #e6eae5;
  border-bottom: 0;
}
.commentary-body .article-related > h2 {
  border-top: 0;
  padding-top: 0;
  font-size: 21px;
}
.commentary-body .article-related ul {
  padding-left: 1.4em;
  margin: 0;
}
.commentary-body .article-related li {
  margin: 8px 0;
}
.commentary-note {
  font-size: 13px;
  color: #596467;
  line-height: 1.8;
}
.commentary-toc ul {
  padding-left: 20px;
  font-size: 13px;
  line-height: 1.65;
  margin: 0;
}
.commentary-related h2 {
  font-size: 16px !important;
  margin: 6px 0 8px !important;
}
.commentary-related ul {
  padding-left: 18px;
  margin: 0;
}
.latest-band .latest-commentary {
  padding: 0;
}
.latest-band .latest-commentary .container {
  max-width: none;
  padding: 0;
}
.latest-band .latest-commentary h2 {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.latest-band .latest-commentary-list li {
  padding: 6px 0;
  font-size: 14px;
}
.latest-band .latest-commentary-list li:first-child {
  padding-top: 0;
}
.latest-band .latest-commentary-more {
  margin: 10px 0 0;
  font-size: 13px;
}
@media (max-width: 700px) {
  .blog-index-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .commentary-index > h2,
  .commentary-body > section > h2 {
    font-size: 22px;
  }
  .commentary-body .article-intro {
    padding: 2px 16px 16px;
  }
  .commentary-body h3 {
    font-size: 18px;
  }
  .sidebar-sticky .commentary-toc ul {
    display: flex;
    overflow: auto;
    gap: 18px;
    white-space: nowrap;
    padding: 0 0 7px 20px;
    margin: 8px 0;
  }
  .sidebar-sticky .commentary-toc li {
    margin: 0;
  }
}

/* LATEST-COMMENTARY:START */
.latest-commentary {
  padding: 3rem 0;
}
/* .container を持たないサイトでも端に張り付かないための保険。
   :where() は詳細度0なので、サイト側の .container 定義が常に優先される。 */
:where(.latest-commentary .container) {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1rem;
}
.latest-commentary h2 {
  margin-bottom: 1.25rem;
}
.latest-commentary-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.latest-commentary-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line, #e5e5e5);
}
.latest-commentary-list time {
  flex: 0 0 auto;
  color: var(--muted, #666);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}
.latest-commentary-list a {
  flex: 1 1 16rem;
  min-width: 0;
  color: var(--ink, #222);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.latest-commentary-list a:hover {
  color: #0b5;
  text-decoration: underline;
}
.latest-commentary-more {
  margin-top: 1.25rem;
}
.latest-commentary-more a {
  color: #0b5;
  text-decoration: none;
  font-weight: 600;
}
.latest-commentary-more a:hover {
  text-decoration: underline;
}
@media (max-width: 600px) {
  .latest-commentary-list li {
    flex-direction: column;
    gap: 0.2rem;
  }
  /* 縦積み時に flex-basis(16rem) が高さに効かないよう auto に戻す */
  .latest-commentary-list a,
  .latest-commentary-list time {
    flex: 0 0 auto;
  }
}
/* LATEST-COMMENTARY:END */
.latest-band .latest-commentary-more a {
  color: var(--amber);
}
.latest-band .latest-commentary-list a {
  color: var(--ink);
}
.latest-band .latest-commentary-list a:hover {
  color: #7d4d18;
}
.commentary-article .article-main {
  min-width: 0;
}
.article-hero-image {
  display: block;
}
.article-content {
  overflow-wrap: anywhere;
}
.article-analysis,
.article-impact,
.article-practical,
.article-future {
  scroll-margin-top: 90px;
}