:root{--oym-ink:#243a43;--oym-muted:#5a7176;--oym-green:#176b61;--oym-green-dark:#0e514a;--oym-green-soft:#e9f4f1;--oym-cream:#fbf8f0;--oym-orange:#a15e2f;--oym-line:#d5e5e1;--oym-white:#fff;}
body.oym-b-active{background:var(--oym-cream);color:var(--oym-ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;font-size:17px;line-height:1.8;overflow-x:hidden;}
.oym-b-active *, .oym-b-active *::before,.oym-b-active *::after{box-sizing:border-box}.oym-b-active a{color:var(--oym-green-dark);text-decoration-thickness:1px;text-underline-offset:3px}.oym-b-active a:hover{color:#083c37}.oym-b-active a:focus-visible,.oym-b-active button:focus-visible,.oym-b-active summary:focus-visible{outline:3px solid #e3a33b;outline-offset:3px;border-radius:4px}
.oym-b-skip{position:fixed;z-index:10000;left:12px;top:-100px;background:#082e2a;color:#fff!important;padding:10px 16px;font-weight:700}.oym-b-skip:focus{top:12px}
.oym-b-header{position:relative;z-index:1000;background:rgba(251,248,240,.98);border-bottom:1px solid var(--oym-line)}.oym-b-header-inner{max-width:1180px;margin:auto;min-height:82px;padding:14px 24px;display:flex;align-items:center;gap:28px}.oym-b-brand{display:inline-flex;flex-direction:column;flex:0 0 auto;text-decoration:none!important;color:var(--oym-ink)!important;line-height:1.3}.oym-b-brand-name{font-family:Georgia,"Yu Mincho",serif;font-size:1.22rem;font-weight:700;letter-spacing:.05em}.oym-b-brand-tagline{font-size:.7rem;color:var(--oym-muted);letter-spacing:.06em;margin-top:4px}.oym-b-desktop-nav{margin-left:auto;display:flex;align-items:center;gap:17px;font-size:.82rem}.oym-b-desktop-nav a{text-decoration:none;color:var(--oym-ink);white-space:nowrap}.oym-b-menu-toggle{display:none;margin-left:auto;border:1px solid var(--oym-green);border-radius:4px;background:var(--oym-white);color:var(--oym-green-dark);min-height:44px;padding:8px 12px;font-weight:700}.oym-b-mobile-menu{display:none}
.oym-b-active #header,.oym-b-active #footer,.oym-b-active .oym-e-header,.oym-b-active .oym-e-footer{display:none!important}.oym-b-active #main{max-width:none!important;margin:0!important;padding:0!important}.oym-b-container{width:min(1180px,calc(100% - 48px));margin:0 auto}.oym-b-home h1,.oym-b-home h2,.oym-b-home h3{color:var(--oym-ink);line-height:1.35}.oym-b-home h2{font-family:Georgia,"Yu Mincho",serif;font-size:clamp(1.7rem,3vw,2.3rem);letter-spacing:.03em;margin:.15em 0 .25em}.oym-b-home p{margin:.4em 0}.oym-b-eyebrow{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--oym-green);font-weight:800;margin:0!important}.oym-b-hero{background:var(--oym-green-soft);padding:72px 0 76px}.oym-b-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,470px);gap:56px;align-items:center}.oym-b-hero h1{font-family:Georgia,"Yu Mincho",serif;font-size:clamp(2.2rem,5vw,4.1rem);font-weight:500;line-height:1.25;letter-spacing:.03em;margin:.25em 0 .3em}.oym-b-hero h1 span{color:var(--oym-green)}.oym-b-lead{max-width:34em;color:#3e565c;margin:0 0 1.6rem!important}.oym-b-hero-art{border-radius:16px;overflow:hidden;background:#d8ebe5;box-shadow:0 16px 36px rgba(14,81,74,.12)}.oym-b-hero-art img{display:block;width:100%;height:auto;aspect-ratio:1.48;object-fit:cover}.oym-b-button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:48px;padding:10px 20px;border-radius:4px;background:var(--oym-green);color:#fff!important;text-decoration:none!important;font-weight:700;box-shadow:0 5px 12px rgba(14,81,74,.15)}.oym-b-button:hover{background:var(--oym-green-dark);color:#fff!important}.oym-b-button-outline{background:transparent;color:var(--oym-green-dark)!important;border:1px solid var(--oym-green);box-shadow:none}.oym-b-button-light{background:#fff;color:var(--oym-green-dark)!important;box-shadow:none}
.oym-b-section{padding:76px 0}.oym-b-section-soft{background:#f1f7f4}.oym-b-section-head{margin-bottom:28px}.oym-b-section-head>p:last-child{color:var(--oym-muted);margin-top:.2rem}.oym-b-topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.oym-b-topic-card{position:relative;display:block;min-height:205px;padding:23px 20px 40px;background:#fff;border:1px solid var(--oym-line);border-radius:10px;text-decoration:none!important;color:var(--oym-ink)!important;transition:transform .16s ease,box-shadow .16s ease}.oym-b-topic-card:hover,.oym-b-post-card>a:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(26,72,67,.11)}.oym-b-card-kicker{font-size:.68rem;letter-spacing:.15em;color:var(--oym-orange);font-weight:800}.oym-b-topic-card h3{font-size:1.25rem;margin:.7rem 0 .35rem}.oym-b-topic-card p{font-size:.9rem;line-height:1.65;color:var(--oym-muted)}.oym-b-arrow{position:absolute;right:18px;bottom:15px;color:var(--oym-green);font-weight:800}.oym-b-link-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 36px;border-top:1px solid var(--oym-line)}.oym-b-link-grid a{display:flex;justify-content:space-between;gap:12px;padding:18px 2px;border-bottom:1px solid var(--oym-line);text-decoration:none;font-weight:700}.oym-b-link-grid a span{color:var(--oym-orange)}.oym-b-post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.oym-b-post-card{margin:0}.oym-b-post-card>a{position:relative;display:block;height:100%;background:#fff;border:1px solid var(--oym-line);border-radius:10px;overflow:hidden;text-decoration:none!important;color:var(--oym-ink)!important;transition:transform .16s ease,box-shadow .16s ease}.oym-b-post-thumb{aspect-ratio:1.9;overflow:hidden;background:#e4efeb}.oym-b-post-thumb img{display:block;width:100%;height:100%;object-fit:cover}.oym-b-post-body{position:relative;padding:17px 20px 36px}.oym-b-post-date{font-size:.78rem;color:var(--oym-muted)}.oym-b-post-body h3{font-size:1.1rem;margin:.3rem 0;line-height:1.55}.oym-b-center-link{text-align:center;margin-top:30px!important}.oym-b-all-details{background:#fff;border:1px solid var(--oym-line);border-radius:8px;padding:0 20px}.oym-b-all-details summary{cursor:pointer;padding:16px 0;font-weight:700;color:var(--oym-green-dark)}.oym-b-all-list{border-top:1px solid var(--oym-line);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:28px}.oym-b-all-list a{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid #e8f0ee;text-decoration:none;font-size:.9rem}.oym-b-all-list time{flex:0 0 auto;color:var(--oym-muted);font-size:.78rem}.oym-b-policy{padding:62px 0;background:var(--oym-green-dark);color:#fff}.oym-b-policy-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.oym-b-policy h2,.oym-b-policy p{color:#fff}.oym-b-policy .oym-b-eyebrow{color:#b8dfd5}
.oym-b-footer{background:#082e2a;color:#e4f0ec;padding:45px 24px 18px}.oym-b-footer-inner{width:min(1180px,100%);margin:auto;display:flex;justify-content:space-between;gap:30px}.oym-b-footer-brand{font-family:Georgia,"Yu Mincho",serif;font-size:1.2rem;font-weight:700;margin:0}.oym-b-footer-note{font-size:.8rem;color:#b8d1cc}.oym-b-footer nav{display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:flex-end;align-content:flex-start}.oym-b-footer a{color:#fff;text-decoration:none;font-size:.82rem}.oym-b-copyright{width:min(1180px,100%);margin:32px auto 0;padding-top:14px;border-top:1px solid rgba(255,255,255,.2);font-size:.72rem;color:#b8d1cc}
body.single-post.oym-b-active #main,body.category.oym-b-active #main,body.archive.oym-b-active #main{width:min(1180px,calc(100% - 48px));margin:0 auto!important;padding:50px 0 90px!important}.oym-b-active .article-header{display:flex;flex-direction:column;max-width:760px;margin:0 auto}.oym-b-active .entry-title{order:1;max-width:100%;margin:0 0 14px!important;font-size:clamp(1.85rem,4vw,2.45rem)!important;line-height:1.45!important;overflow-wrap:anywhere;word-break:normal;white-space:normal}.oym-b-active .date-tags{order:2;margin:0 0 18px!important;color:var(--oym-muted);font-size:.85rem}.oym-b-active .eye-catch{order:3;max-width:100%;margin:0 0 26px!important;overflow:hidden;border-radius:10px}.oym-b-active .eye-catch img{display:block;width:100%;height:auto}.oym-b-active .entry-content{max-width:760px;margin:0 auto;font-size:17px;line-height:1.8;color:var(--oym-ink)}.oym-b-active .entry-content p,.oym-b-active .entry-content li{overflow-wrap:anywhere}.oym-b-active .entry-content h2,.oym-b-active .entry-content h3,.oym-b-active .entry-content h4{scroll-margin-top:100px;line-height:1.45;color:var(--oym-ink)}.oym-b-active .entry-content h2{border-left:5px solid var(--oym-green);padding-left:13px;margin-top:2.2em}.oym-b-active .entry-content h3{color:var(--oym-green-dark);margin-top:1.8em}.oym-b-breadcrumb{max-width:760px;margin:0 auto 22px;font-size:.78rem;color:var(--oym-muted);display:flex;flex-wrap:wrap;gap:5px 8px}.oym-b-breadcrumb a{color:var(--oym-green-dark)}.oym-b-active .toc{max-width:760px;margin:28px auto!important;padding:0!important;background:#f2f8f5!important;border:1px solid var(--oym-line)!important;border-radius:8px!important;overflow:hidden}.oym-b-active .toc-title{display:block;padding:14px 18px!important;font-weight:800;color:var(--oym-green-dark)!important}.oym-b-active .toc-content{padding:0 18px 15px!important}.oym-b-active .toc-list{margin:0!important}.oym-b-active .toc-list>li>ol,.oym-b-active .toc-list>li>ul{display:none}.oym-b-active .toc.oym-b-toc-expanded .toc-list>li>ol,.oym-b-active .toc.oym-b-toc-expanded .toc-list>li>ul{display:block}.oym-b-toc-toggle{margin:0 18px 14px;padding:8px 12px;border:1px solid var(--oym-green);border-radius:4px;background:#fff;color:var(--oym-green-dark);font-weight:700;cursor:pointer}.oym-b-active .entry-content .wp-block-table,.oym-b-active .entry-content .scrollable-table{overflow-x:auto}.oym-b-table-wrap{max-width:100%;margin:24px 0;overflow-x:auto;border:1px solid var(--oym-line);border-radius:6px;background:#fff}.oym-b-table-hint{margin:0!important;padding:7px 11px!important;background:#f2f8f5;color:var(--oym-green-dark);font-size:.78rem;font-weight:700}.oym-b-active .entry-content table{border-collapse:collapse;width:100%;margin:0;font-size:16px;line-height:1.6}.oym-b-active .entry-content table.oym-b-wide-table{min-width:700px}.oym-b-active .entry-content th{background:#e1f0ec;color:#173f3a;font-weight:700}.oym-b-active .entry-content th,.oym-b-active .entry-content td{padding:10px;border:1px solid #c6dcd6;vertical-align:top}.oym-b-active .entry-content tr:nth-child(even){background:#f8fbfa}.oym-b-active .entry-content img{max-width:100%;height:auto}.oym-b-active .entry-content a{overflow-wrap:anywhere}.oym-b-active .entry-content .cta,.oym-b-active .entry-content .affiliate,.oym-b-active .entry-content .pr-box{border-radius:8px}.oym-b-active .entry-content .pr,.oym-b-active .entry-content [class*="pr-"]{color:var(--oym-muted)}.oym-b-active .related-entry{border-color:var(--oym-line)}
body.category.oym-b-active .content-in,body.archive.oym-b-active .content-in{max-width:900px;margin:auto}.oym-b-active .archive-title,.oym-b-active .category-title{line-height:1.4;overflow-wrap:anywhere}.oym-b-active .entry-card{border-color:var(--oym-line)}
@media (max-width:900px){.oym-b-desktop-nav{gap:10px;font-size:.76rem}.oym-b-hero-grid{gap:30px}.oym-b-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.oym-b-post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.oym-b-post-card:last-child{display:none}}
@media (max-width:680px){body.oym-b-active{font-size:17px}.oym-b-container{width:min(100% - 32px,560px)}.oym-b-header-inner{min-height:72px;padding:12px 16px}.oym-b-desktop-nav{display:none}.oym-b-menu-toggle{display:block}.oym-b-mobile-menu{display:flex;flex-direction:column;padding:8px 16px 16px;background:#fff;border-top:1px solid var(--oym-line)}.oym-b-mobile-menu[hidden]{display:none}.oym-b-mobile-menu a{padding:11px 4px;border-bottom:1px solid #e2eeeb;text-decoration:none;font-weight:700}.oym-b-hero{padding:42px 0 45px}.oym-b-hero-grid{display:flex;flex-direction:column;gap:25px}.oym-b-hero h1{font-size:2.35rem}.oym-b-hero-art{width:100%}.oym-b-section{padding:52px 0}.oym-b-topic-grid,.oym-b-post-grid,.oym-b-link-grid,.oym-b-all-list{grid-template-columns:1fr}.oym-b-topic-card{min-height:175px}.oym-b-post-card:last-child{display:block}.oym-b-policy-inner,.oym-b-footer-inner{display:block}.oym-b-policy .oym-b-button{margin-top:18px}.oym-b-footer nav{justify-content:flex-start;margin-top:22px}.oym-b-footer{padding-left:16px;padding-right:16px}body.single-post.oym-b-active #main,body.category.oym-b-active #main,body.archive.oym-b-active #main{width:calc(100% - 32px);padding-top:32px!important}.oym-b-active .entry-title{font-size:1.9rem!important}.oym-b-active .entry-content{font-size:17px}.oym-b-active .entry-content table{font-size:15px}.oym-b-active .toc{margin-left:0!important;margin-right:0!important}.oym-b-breadcrumb{margin-bottom:16px}}
@media (max-width:360px){.oym-b-container{width:calc(100% - 24px)}.oym-b-hero h1{font-size:2rem}.oym-b-brand-tagline{font-size:.62rem}.oym-b-all-details{padding-left:13px;padding-right:13px}}

/* B shell cleanup */
body.home.oym-b-active #oym-latest-posts,body.home.oym-b-active #oym-updates-section,body.home.oym-b-active #oym-category-hubs,body.home.oym-b-active #sidebar{display:none;}
body.oym-b-active #sidebar{display:none;}
body.single-post.oym-b-active #toc .oym-b-toc-toggle~.oym-b-toc-toggle{display:none;}
body.oym-b-active .mobile-footer-menu-buttons{display:none!important;}
body.oym-b-active .entry-title{word-break:break-all!important;overflow-wrap:anywhere!important;}
/* Responsive container system: full-width Cocoon shell + centered B inner content. */
:root{--oym-container-max:1400px;--oym-container-pad:clamp(20px,3vw,48px)}
body.oym-b-active #container,body.oym-b-active #content,body.oym-b-active #content-in.content-in.wrap{width:100%;max-width:none;margin-inline:0}
body.oym-b-active #content-in.content-in.wrap{display:block;padding-inline:0;box-sizing:border-box}
body.oym-b-active .main{width:100%;max-width:none;margin-inline:0}
.oym-b-container,.oym-b-header-inner,.oym-b-footer-inner,.oym-b-copyright{width:100%;max-width:var(--oym-container-max);margin-inline:auto;padding-inline:var(--oym-container-pad);box-sizing:border-box}
.oym-b-header-inner{min-height:82px}
.oym-b-footer{padding-left:0;padding-right:0}
body.category.oym-b-active .content-in,body.archive.oym-b-active .content-in{max-width:none;margin-inline:0}
body.single-post.oym-b-active #main,body.category.oym-b-active #main,body.archive.oym-b-active #main{width:100%;max-width:none;margin-inline:0!important;padding:50px 0 90px!important}
.oym-b-hero-grid{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}
@media (max-width:1100px) and (min-width:681px){.oym-b-hero-grid{gap:32px}.oym-b-desktop-nav{gap:10px;font-size:.76rem}}
@media (max-width:680px){.oym-b-container,.oym-b-header-inner,.oym-b-footer-inner,.oym-b-copyright{width:100%;padding-inline:16px}.oym-b-hero-grid{grid-template-columns:1fr}.oym-b-footer{padding-left:0;padding-right:0}body.single-post.oym-b-active #main,body.category.oym-b-active #main,body.archive.oym-b-active #main{width:100%;padding:32px 0 70px!important}}

body.single-post.oym-b-active .entry-content{max-width:760px}


/* Article desktop editorial layout: center the header media and widen readable body text. */
@media (min-width:1024px){
  body.single-post.oym-b-active .article-header{
    width:min(100%,1040px);
    max-width:1040px;
    margin-inline:auto;
    padding:34px 48px 28px;
    box-sizing:border-box;
    background:transparent;
  }
  body.single-post.oym-b-active .article-header>.entry-title{order:1;width:100%;max-width:none}
  body.single-post.oym-b-active .article-header>.date-tags{order:2;width:100%;max-width:none}
  body.single-post.oym-b-active .article-header>.eye-catch-wrap{order:3;width:min(100%,880px);max-width:880px;margin-inline:auto}
  body.single-post.oym-b-active .article-header>.eye-catch-wrap .eye-catch{width:100%;max-width:none;margin:0 0 26px}
  body.single-post.oym-b-active .entry-content{
    width:min(100%,860px);
    max-width:860px;
    margin-inline:auto;
    padding-inline:0;
    box-sizing:border-box;
  }
  body.single-post.oym-b-active .entry-content .wp-block-table,
  body.single-post.oym-b-active .entry-content .scrollable-table,
  body.single-post.oym-b-active .entry-content .oym-b-table-wrap{max-width:100%}
}

  body.single-post.oym-b-active .article-header>.entry-title{color:var(--oym-ink)!important}
  body.single-post.oym-b-active .article-header>.date-tags{color:var(--oym-muted)!important}
  body.single-post.oym-b-active .article-header>.date-tags a{color:var(--oym-green-dark)!important}

@media (max-width:1023px){
  body.single-post.oym-b-active .article-header>.entry-title{color:#fff!important}
}


/* Article desktop width expansion: use PC space for media and wide content. */
@media (min-width:1024px){
  body.single-post.oym-b-active .article-header{
    width:min(calc(100% - 64px),1160px);
    max-width:1160px;
    padding-inline:40px;
  }
  body.single-post.oym-b-active .article-header>.entry-title,
  body.single-post.oym-b-active .article-header>.date-tags{width:100%;max-width:none}
  body.single-post.oym-b-active .article-header>.eye-catch-wrap{
    width:min(100%,1060px);
    max-width:1060px;
  }
  body.single-post.oym-b-active .entry-content,
  body.single-post.oym-b-active .oym-b-breadcrumb{
    width:min(100%,900px);
    max-width:900px;
  }
  body.single-post.oym-b-active .toc{
    width:100%;
    max-width:900px;
    margin-left:auto!important;
    margin-right:auto!important;
  }
  body.single-post.oym-b-active .entry-content figure.wp-block-image,
  body.single-post.oym-b-active .entry-content>.oym-b-table-wrap,
  body.single-post.oym-b-active .entry-content>.scrollable-table,
  body.single-post.oym-b-active .entry-content>.wp-block-table{
    width:min(calc(100vw - 64px),1060px);
    max-width:1060px;
    margin-left:50%;
    margin-right:0;
    transform:translateX(-50%);
    box-sizing:border-box;
  }
  body.single-post.oym-b-active .entry-content figure.wp-block-image img{width:100%;max-width:none;height:auto}
}