.shell-layout{--paper:#f4f1ea;--paper-2:#ebe6db;--field:#fffdf8;--ink:#141414;--ink-2:#2a2622;--ink-3:#5a5550;--ink-4:#8a857d;--rule:#d8d2c4;--rule-2:#c4bdac;--signal:#b8312f;--serif:Georgia, "Times New Roman", serif;--sans:var(--font-geist-sans), "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--mono:var(--font-geist-mono), "SF Mono", Menlo, Consolas, monospace;background:linear-gradient(90deg, #14141406 1px, transparent 1px) 0 0 / 72px 72px, var(--paper);min-height:100vh;color:var(--ink);font-family:var(--sans);text-rendering:optimizelegibility;flex-direction:column;display:flex}.shell-header{z-index:50;border-bottom:1px solid var(--rule);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#f4f1eaf5;position:sticky;top:0}.shell-header-inner{justify-content:space-between;align-items:stretch;gap:32px;max-width:1200px;min-height:66px;margin:0 auto;padding:0 56px;display:flex}.shell-brand{color:var(--ink);white-space:nowrap;align-items:center;gap:12px;text-decoration:none;display:flex}.shell-brand-mark{background:url(/brand/jca-mark.svg) 50%/contain no-repeat;flex:none;width:38px;height:38px}.shell-brand-copy{align-items:baseline;gap:14px;display:flex}.shell-brand-main{font-family:var(--serif);letter-spacing:-.01em;font-size:22px;font-weight:700}.shell-brand-jp{font-family:var(--serif);color:var(--ink-3);letter-spacing:.04em;font-size:14px;font-weight:600}.shell-brand-tag{border-left:1px solid var(--rule);font-family:var(--mono);color:var(--ink-4);letter-spacing:.14em;text-transform:uppercase;padding-left:14px;font-size:10px}.shell-nav{align-items:stretch;gap:0;display:flex}.shell-nav-link{border-left:1px solid var(--rule);color:var(--ink-2);align-items:center;padding:0 17px;font-size:13.5px;font-weight:500;text-decoration:none;transition:background .15s,color .15s;display:flex}.shell-nav-link:last-child{border-right:1px solid var(--rule)}.shell-nav-link:hover,.shell-nav-link--active{background:var(--paper-2);color:var(--ink)}.shell-nav-link[href=\/advertise]{background:var(--ink);border-color:var(--ink);color:var(--paper)}.shell-nav-link[href=\/advertise]:hover,.shell-nav-link[href=\/advertise].shell-nav-link--active{background:var(--signal);border-color:var(--signal);color:#fff}.shell-ticker{border-top:1px solid var(--rule);color:var(--ink-3);font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;grid-template-columns:max-content max-content 1fr;font-size:10.5px;display:grid}.shell-ticker span{border-right:1px solid var(--rule);align-items:center;gap:10px;padding:8px 18px;display:flex}.shell-ticker span:last-child{border-right:0;justify-content:flex-end}.shell-ticker strong{color:var(--ink);font-weight:600}.shell-main{flex:1}.shell-footer{background:var(--ink);color:#f4f1eab8;margin-top:auto;padding:56px 0 34px}.shell-footer-inner{grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;max-width:1200px;margin:0 auto;padding:0 56px;display:grid}.shell-footer-title{color:var(--paper);font-family:var(--serif);margin:0;font-size:24px;font-weight:700}.shell-footer-heading{align-items:center;gap:12px;margin-bottom:12px;display:flex}.shell-footer-mark{background:url(/brand/jca-mark.svg) 50%/contain no-repeat;flex:none;width:36px;height:36px}.shell-footer-copy{max-width:360px;margin:0;font-size:13.5px;line-height:1.7}.shell-footer-group h2{color:#f4f1ea85;font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;margin:0 0 14px;font-size:10.5px;font-weight:500}.shell-footer-link{color:#f4f1eadb;padding:5px 0;font-size:13.5px;text-decoration:none;display:block}.shell-footer-link:hover{color:var(--paper)}.shell-legal{color:#f4f1ea80;max-width:1200px;font-family:var(--mono);letter-spacing:.08em;border-top:1px solid #f4f1ea26;justify-content:space-between;gap:24px;margin:40px auto 0;padding:18px 56px 0;font-size:10.5px;display:flex}@media (max-width:900px){.shell-header-inner{flex-direction:column;align-items:flex-start;gap:0;padding:0 24px}.shell-brand{min-height:58px}.shell-brand-mark{width:34px;height:34px}.shell-brand-jp,.shell-brand-tag{display:none}.shell-nav{border-top:1px solid var(--rule);width:100%;overflow-x:auto}.shell-nav-link{min-height:44px;padding:0 10px;font-size:12.5px}.shell-ticker{display:none}.shell-footer-inner{grid-template-columns:1fr 1fr;padding:0 24px}.shell-footer-brand{grid-column:1/-1}.shell-legal{flex-direction:column;padding:18px 24px 0}}@media (max-width:560px){.shell-footer-inner{grid-template-columns:1fr}}