/* Shared chrome. Prefixes keep the original page layouts and editor isolated. */
:root{--sbkr-navy:#112b46;--sbkr-paper:#faf6ef;--sbkr-gold:#d9be86;--sbkr-ink:#19334a;--sbkr-muted:#596771;--sbkr-line:#ddd4c5;--sbkr-serif:'Noto Serif JP','Yu Mincho',serif;--sbkr-sans:'Noto Sans JP',sans-serif;--sbkr-display:'Cormorant Garamond',Georgia,serif}
html{font-size:16px;scroll-padding-top:24px}
.sbkr-site{margin:0;background:var(--sbkr-paper);color:var(--sbkr-ink);font:400 15px/1.95 var(--sbkr-sans);overflow-wrap:anywhere}
.sbkr-site *{box-sizing:border-box}
.sbkr-site a:hover{opacity:1}
.sbkr-site a:focus-visible,.sbkr-site button:focus-visible,.sbkr-site input:focus-visible,.sbkr-site summary:focus-visible{outline:2px solid #a78140;outline-offset:5px}
.sbkr-container{width:min(1160px,calc(100% - 80px));margin-inline:auto}
.sbkr-skip{position:absolute;left:16px;top:-120px;z-index:10000;background:var(--sbkr-paper);color:var(--sbkr-ink);padding:10px 20px}
.sbkr-skip:focus{top:10px}
.sbkr-header{position:relative;z-index:30;background:var(--sbkr-navy);color:var(--sbkr-paper);border-bottom:1px solid #d9be8633}
.sbkr-header-inner{min-height:90px;max-width:1440px;margin:auto;padding:0 40px;display:flex;align-items:center;gap:32px}
.sbkr-brand{font:500 25px/1.4 var(--sbkr-display);letter-spacing:.2em;color:var(--sbkr-gold);text-decoration:none;white-space:nowrap}
.sbkr-navigation{margin-left:auto}
.sbkr-menu{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0}
.sbkr-menu li{margin:0;padding:0}
.sbkr-menu a,.sbkr-nav-extra{display:block;color:var(--sbkr-paper);font:400 12px/1.8 var(--sbkr-sans);text-decoration:none;padding-block:14px}
.sbkr-menu a:hover,.sbkr-menu a[aria-current],.sbkr-menu .current-menu-item>a{color:var(--sbkr-gold)}
.sbkr-start{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:11px 22px;border:1px solid #d9be8680;color:var(--sbkr-gold);font:400 12px/1.8 var(--sbkr-sans);text-decoration:none;white-space:nowrap}
.sbkr-start:hover{background:#d9be8615}
.sbkr-menu-toggle,.sbkr-nav-extra{display:none}
.sbkr-footer{background:var(--sbkr-navy);color:#d9e0e4;padding:64px 0 25px;margin:0}
.sbkr-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:42px 64px}
.sbkr-footer p{margin:20px 0 0;font-size:12px;line-height:2.1}
.sbkr-footer .sbkr-footer-registration{margin-top:28px;color:#b9c5ce;font-size:10px}
.sbkr-footer .sbkr-footer-label{margin:0 0 18px;color:var(--sbkr-gold);font-size:11px;letter-spacing:.08em}
.sbkr-footer nav a{display:block;width:fit-content;padding:5px 0;color:#d9e0e4;text-decoration:none;font-size:12px}
.sbkr-footer nav a:hover{color:var(--sbkr-gold);text-decoration:underline;text-underline-offset:5px}
.sbkr-instagram-link svg{display:block;flex-shrink:0}
.sbkr-footer .sbkr-instagram-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;margin-top:14px;color:var(--sbkr-gold);font-size:12px;text-decoration:none;border-bottom:1px solid #d9be8655}
.sbkr-instagram-link:hover{border-bottom-color:currentColor;text-decoration:underline;text-underline-offset:5px}
.sbkr-copyright{grid-column:1/-1;border-top:1px solid #d9be8633;padding-top:22px;font-size:10px;color:#b9c5ce}
.sbkr-page-heading{padding:24px 0 68px;background:var(--sbkr-navy);color:var(--sbkr-paper)}
.sbkr-breadcrumb{display:flex;flex-wrap:wrap;gap:12px;font-size:10px;line-height:1.8;color:#bdc9d2;margin-bottom:42px}
.sbkr-breadcrumb a{color:inherit;text-decoration:none}
.sbkr-eyebrow{font:500 12px/1.5 var(--sbkr-display);letter-spacing:.19em;text-transform:uppercase;color:#977a45;margin:0 0 18px}
.sbkr-page-heading .sbkr-eyebrow{color:var(--sbkr-gold)}
.sbkr-page-heading h1{font:400 clamp(30px,3.2vw,44px)/1.6 var(--sbkr-serif);letter-spacing:.08em;margin:0}
.sbkr-page-description{margin:22px 0 0;color:#d3dce2;font-size:13px;line-height:2}
.sbkr-outline-button{display:inline-flex;align-items:center;gap:50px;padding:14px 25px;border:1px solid var(--sbkr-ink);text-decoration:none;color:var(--sbkr-ink);font-size:12px}
.sbkr-contact-cta{text-align:center;background:#f0e9dc;padding:58px 24px 64px}
.sbkr-contact-cta h2{font:400 25px/1.9 var(--sbkr-serif);margin:0 0 25px;color:var(--sbkr-ink)}
.sbkr-preview-note{background:#ede4d4;color:#4e493d;padding:8px 20px;text-align:center;font:400 11px/1.6 var(--sbkr-sans)}
@media(max-width:1100px){.sbkr-header-inner{gap:20px;padding-inline:28px}.sbkr-menu{gap:18px}.sbkr-brand{font-size:22px}.sbkr-start{gap:16px;padding-inline:16px}}
@media(max-width:950px){.sbkr-header-inner{min-height:76px;flex-wrap:wrap;gap:0 20px;padding-inline:24px}.sbkr-brand{margin-right:auto}.sbkr-menu-toggle{display:flex;align-items:center;gap:10px;border:0;padding:14px 0;background:none;color:var(--sbkr-paper);font:400 12px/1.8 var(--sbkr-sans)}.sbkr-start{order:2}.sbkr-menu-toggle{order:3}.sbkr-navigation{order:4;display:none;flex-basis:100%;padding:12px 0 22px}.sbkr-navigation.is-open{display:block}.sbkr-menu{display:block}.sbkr-menu a,.sbkr-nav-extra{border-bottom:1px solid #d9be8633;padding:14px 0;font-size:14px}.sbkr-nav-extra{display:block}.sbkr-header:has(.sbkr-menu-toggle:not([data-ready])) .sbkr-navigation{display:block}.sbkr-footer-grid{gap:30px;grid-template-columns:1.1fr 1fr 1fr}}
@media(max-width:600px){.sbkr-container{width:calc(100% - 40px)}.sbkr-header-inner{min-height:70px;padding-inline:20px;gap:0 16px}.sbkr-brand{font-size:20px;letter-spacing:.15em}.sbkr-start{font-size:11px;padding:7px 10px;gap:8px}.sbkr-menu-toggle{font-size:11px;gap:7px}.sbkr-page-heading{padding-bottom:45px}.sbkr-breadcrumb{margin-bottom:30px;font-size:10px}.sbkr-page-heading h1{font-size:30px}.sbkr-page-description{font-size:12px;margin-top:17px}.sbkr-footer{padding:45px 0 24px}.sbkr-footer-grid{grid-template-columns:1fr 1fr;gap:35px 20px}.sbkr-footer-brand{grid-column:1/-1}.sbkr-footer .sbkr-footer-registration{margin-top:14px}.sbkr-footer nav a{font-size:11px}#wpadminbar{position:fixed}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Chapter openers: photographs and fine rules carry the homepage's visual story. */
.sbkr-page-heading{position:relative;border-bottom:1px solid #b49761}
.sbkr-page-heading--scene{padding-bottom:36px;background:radial-gradient(ellipse at 30% 95%,#26445a 0,transparent 65%),var(--sbkr-navy)}
.sbkr-page-heading--scene .sbkr-breadcrumb{margin-bottom:28px}
.sbkr-heading-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center;gap:65px}
.sbkr-heading-copy{padding-block:20px}
.sbkr-heading-ornament{display:flex;align-items:center;gap:14px;margin-top:32px;width:110px;color:var(--sbkr-gold);font-size:13px}
.sbkr-heading-ornament::before,.sbkr-heading-ornament::after{content:'';height:1px;flex:1;background:#d9be8666}
.sbkr-heading-scene{margin:0;min-width:0}
.sbkr-scene-frame{position:relative;isolation:isolate;aspect-ratio:1.95;background:#314454;box-shadow:0 12px 35px #0002}
.sbkr-scene-frame::after{content:'';position:absolute;inset:10px;border:1px solid #f5e2ba80;pointer-events:none}
.sbkr-scene-frame img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 44%}
.sbkr-heading-scene figcaption{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:13px;color:#e6d3b1;font:400 11px/1.8 var(--sbkr-serif);letter-spacing:.06em}
.sbkr-heading-scene small{font:400 9px/1.6 var(--sbkr-sans);color:#c2ccd3;letter-spacing:0;white-space:nowrap}
.sbkr-page-heading:not(.sbkr-page-heading--scene) .sbkr-heading-layout{display:block}
.sbkr-page-heading:not(.sbkr-page-heading--scene) .sbkr-heading-copy{padding:0}
@media(max-width:950px){.sbkr-heading-layout{gap:32px}.sbkr-scene-frame{aspect-ratio:1.4}.sbkr-heading-scene figcaption{flex-wrap:wrap;gap:4px 12px}}
@media(max-width:600px){.sbkr-page-heading--scene{padding-bottom:26px}.sbkr-page-heading--scene .sbkr-breadcrumb{margin-bottom:18px}.sbkr-heading-layout{grid-template-columns:1fr;gap:24px}.sbkr-heading-copy{padding:0}.sbkr-heading-ornament{margin-top:22px;width:90px}.sbkr-scene-frame{aspect-ratio:1.85}.sbkr-heading-scene figcaption{padding-top:10px}.sbkr-heading-scene small{font-size:9px}}

/* Illustrated chapter covers, sharing the founder letter's visual language. */
.sbkr-chapter-cover{position:relative;isolation:isolate;overflow:hidden;min-height:570px;background:#102c3f;color:var(--sbkr-paper);border-bottom:1px solid #c1a56d}
.sbkr-cover-art{position:absolute;inset:0;z-index:-2;display:block;width:100%;height:100%;object-fit:cover;object-position:center 63%}
.sbkr-chapter-cover::after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#071f31f0 0%,#102e40cc 32%,#102e404d 57%,#102e400a 80%),linear-gradient(0deg,#102a3b26,transparent 50%)}
.sbkr-chapter-cover--journal .sbkr-cover-art{object-position:center 72%}
.sbkr-chapter-cover--plans .sbkr-cover-art{object-position:center 43%}
.sbkr-chapter-cover--plans::after{background:linear-gradient(90deg,#071f31f5 0%,#102e40de 30%,#102e4066 55%,#102e401a 80%)}
.sbkr-chapter-cover--plans .sbkr-cover-lead{max-width:470px;text-wrap:balance}
.sbkr-chapter-cover--help{min-height:440px}
.sbkr-chapter-cover--help .sbkr-cover-copy{padding-block:35px 42px}
.sbkr-chapter-cover--help .sbkr-cover-art{object-position:center 48%}
#plan-options,#help-search{scroll-margin-top:100px}
.sbkr-chapter-cover .sbkr-breadcrumb{padding-top:25px;margin-bottom:0;color:#d0d8db}
.sbkr-cover-copy{max-width:650px;padding:58px 0 62px}
.sbkr-chapter-cover .sbkr-eyebrow{color:#e2c990;font-size:12px}
.sbkr-subpage main .sbkr-chapter-cover h1{color:#fff9ed;margin:0;font-weight:400;line-height:1.85;letter-spacing:.09em}
.sbkr-cover-label{display:block;font:400 12px/1.8 var(--sbkr-sans);letter-spacing:.13em;color:#dbd9cf;margin-bottom:20px}
.sbkr-cover-title{display:block;font-size:clamp(34px,3.6vw,48px)}
.sbkr-chapter-cover .sbkr-heading-ornament{margin-top:24px}
.sbkr-cover-lead{font-size:13px;line-height:2.2;color:#e2e4df;margin:22px 0 0}
.sbkr-cover-read{display:inline-flex;align-items:center;gap:30px;font-size:11px;letter-spacing:.06em;color:#e5cca0;text-decoration:none;border-bottom:1px solid #e5cca055;padding-bottom:8px;margin-top:27px}
.sbkr-cover-read:hover{color:#fff4d9;border-color:currentColor}
.sbkr-cover-lead{font-size:15px}
.sbkr-cover-read{font-size:13px;min-height:44px}
.sbkr-chapter-anchor,#column-articles{scroll-margin-top:25px}
@media(max-width:700px){
    .sbkr-chapter-cover{min-height:660px}
    .sbkr-cover-art{object-position:70% bottom}
    .sbkr-chapter-cover--journal .sbkr-cover-art{object-position:64% bottom}
    .sbkr-chapter-cover::after{background:linear-gradient(180deg,#071f34f2 0%,#0a233ad9 33%,#09263940 65%,#0926390d),linear-gradient(90deg,#092439a6,#09243940 68%,transparent)}
    .sbkr-cover-copy{padding:42px 0 200px}
    .sbkr-chapter-cover .sbkr-eyebrow{font-size:11px;letter-spacing:.12em}
    .sbkr-cover-label{font-size:11px;margin-bottom:16px}
    .sbkr-cover-title{font-size:34px;line-height:1.95;letter-spacing:.03em}
    .sbkr-cover-lead{font-size:12px;line-height:2.1;max-width:300px}
    .sbkr-cover-read{margin-top:20px;color:#f4deb0;text-shadow:0 1px 8px #041823}
    .sbkr-chapter-cover--plans .sbkr-cover-copy{padding-bottom:240px}
    .sbkr-chapter-cover--plans .sbkr-cover-art{inset:auto 0 0;height:45%;object-position:60% center;mask-image:linear-gradient(180deg,transparent,#000 22%)}
    .sbkr-chapter-cover--plans::after{background:linear-gradient(180deg,#102c3f 0%,#102c3f 39%,#102c3fc9 53%,#102c3f33 75%,#102c3f0d)}
    .sbkr-chapter-cover--help{min-height:440px}
    .sbkr-chapter-cover--help .sbkr-cover-copy{padding-block:32px 40px}
    .sbkr-chapter-cover--help::after{background:linear-gradient(90deg,#071f31ed,#102e40bf 60%,#102e4070)}
}
/* A calm next step after an article, without interrupting the reading. */
.sbkr-article-invite { margin-top:56px; padding:40px; background:#112b46; color:#faf6ef; }
.sbkr-article-invite .sbkr-eyebrow { color:#d9be86; }
.sbkr-site .sbkr-article-invite h2 { color:#faf6ef; font-family:"Noto Serif JP",serif; font-weight:400; font-size:28px; line-height:1.8; margin:16px 0; }
.sbkr-article-invite > p:not(.sbkr-eyebrow) { font-size:15px; line-height:2; color:#e1e7ec; }
.sbkr-article-invite .sbkr-outline-button { margin-top:24px; color:#112b46; border-color:#d9be86; background:#d9be86; }
@media (max-width:600px) {
  .sbkr-article-invite { padding:28px 22px; margin-top:40px; }
  .sbkr-site .sbkr-article-invite h2 { font-size:24px; }
  .sbkr-article-invite > p:not(.sbkr-eyebrow) br { display:none; }
  .sbkr-article-invite .sbkr-outline-button { padding-inline:12px; font-size:14px; gap:8px; }
}