:root{--uxdt-purple:#6b46c1;--uxdt-purple-light:#8b7ae8;--uxdt-navy:#1a1a3e;--uxdt-text:#1a1a1a;--uxdt-text-sub:#595959;--uxdt-bg:#f5f5f5;--uxdt-surface:#fff;--max-width:1200px;--content-width:768px;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic Medium", "Yu Gothic", YuGothic, Meiryo, sans-serif;--jacket:#1e1726;--jacket-text:#ece9f2;--jacket-sub:#a79bbd;--jacket-accent:var(--uxdt-purple-light);--rule:#e2e2e2;--rule-strong:#c8c8c8;--amazon:#232f3e;--amazon-hover:#131a22;--radius:2px;--font-mincho:"Hiragino Mincho ProN", "Hiragino Mincho Pro", "Yu Mincho", YuMincho, "MS PMincho", serif;--font-original:"Iowan Old Style", "Hoefler Text", Georgia, "Times New Roman", serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);letter-spacing:.02em;color:var(--uxdt-text);background:var(--uxdt-bg);-webkit-font-smoothing:antialiased;font-size:16px;font-weight:400;line-height:1.8}img{max-width:100%;height:auto;display:block}a{color:var(--uxdt-purple);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{letter-spacing:.01em;font-feature-settings:"palt" 1;font-weight:800;line-height:1.4}ul,ol{list-style:none}.l-container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.l-section{padding:64px 0}.l-narrow{max-width:var(--content-width)}@media (width<=768px){.l-container{padding:0 20px}.l-section{padding:40px 0}}.section-label{letter-spacing:.14em;text-transform:uppercase;color:var(--uxdt-text-sub);margin-bottom:6px;font-size:11px;font-weight:700}.section-heading{font-family:var(--font-mincho);letter-spacing:.01em;font-size:36px;font-weight:600}@media (width<=600px){.section-heading{font-size:28px}}.section-lead{color:var(--uxdt-text-sub);margin-top:6px;font-size:15px}.card{background:var(--uxdt-surface);border:1px solid var(--rule);border-radius:var(--radius)}.link-arrow{color:var(--uxdt-purple);font-size:14px;font-weight:700}.link-arrow:after{content:" →"}:focus-visible{outline:2px solid var(--uxdt-purple);outline-offset:2px}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.site-header[data-astro-cid-nen7h5rs]{z-index:100;background:var(--uxdt-surface);border-bottom:1px solid var(--rule);position:sticky;top:0}.header-inner[data-astro-cid-nen7h5rs]{align-items:center;gap:28px;min-height:72px;display:flex}.site-logo[data-astro-cid-nen7h5rs]{flex-shrink:0;line-height:0}.global-nav[data-astro-cid-nen7h5rs]{flex:1;min-width:0}.nav-list[data-astro-cid-nen7h5rs]{align-items:center;gap:24px;display:flex}.nav-item[data-astro-cid-nen7h5rs]{flex-shrink:0;position:relative}.nav-link[data-astro-cid-nen7h5rs]{color:var(--uxdt-text);white-space:nowrap;border-bottom:2px solid #0000;align-items:center;gap:4px;padding:8px 0;font-size:14px;font-weight:600;display:flex}.nav-link[data-astro-cid-nen7h5rs]:hover{color:var(--uxdt-purple);text-decoration:none}.nav-link[data-astro-cid-nen7h5rs].current{color:var(--uxdt-purple);border-bottom-color:var(--uxdt-purple)}.dropdown-arrow[data-astro-cid-nen7h5rs]{opacity:.6;font-size:10px}.dropdown[data-astro-cid-nen7h5rs]{background:var(--uxdt-surface);border:1px solid var(--rule);border-radius:var(--radius);min-width:160px;padding:6px 0;display:none;position:absolute;top:100%;left:-12px;box-shadow:0 4px 14px #00000014}.has-dropdown[data-astro-cid-nen7h5rs]:hover .dropdown[data-astro-cid-nen7h5rs],.has-dropdown[data-astro-cid-nen7h5rs][data-open] .dropdown[data-astro-cid-nen7h5rs]{display:block}.dropdown[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{color:var(--uxdt-text);white-space:nowrap;padding:7px 16px;font-size:13px;font-weight:500;display:block}.dropdown[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover{color:var(--uxdt-purple);background:#f8f7ff;text-decoration:none}.dropdown[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs].current{color:var(--uxdt-purple);font-weight:700}.header-sns[data-astro-cid-nen7h5rs]{flex-shrink:0;align-items:center;gap:14px;display:flex}.header-sns[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{color:var(--uxdt-text-sub);line-height:0;transition:color .15s}.header-sns[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover{color:var(--uxdt-purple)}@media (width<=860px){.header-inner[data-astro-cid-nen7h5rs]{flex-wrap:wrap;gap:0 16px;min-height:0;padding-top:12px}.global-nav[data-astro-cid-nen7h5rs]{flex-basis:100%;order:3}.header-sns[data-astro-cid-nen7h5rs]{margin-left:auto}.nav-list[data-astro-cid-nen7h5rs]{scrollbar-width:none;gap:18px;padding-bottom:2px;overflow-x:auto}.nav-list[data-astro-cid-nen7h5rs]::-webkit-scrollbar{display:none}.nav-link[data-astro-cid-nen7h5rs]{font-size:13px}.dropdown[data-astro-cid-nen7h5rs]{left:0}}.site-footer[data-astro-cid-jo6i4kqk]{background:var(--uxdt-bg);border-top:1px solid var(--rule);margin-top:24px;padding:48px 0 32px}.footer-inner[data-astro-cid-jo6i4kqk]{flex-direction:column;gap:32px;display:flex}.footer-top[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;justify-content:space-between;gap:48px;display:flex}.footer-brand[data-astro-cid-jo6i4kqk]{max-width:320px}.footer-logo[data-astro-cid-jo6i4kqk]{line-height:0;display:inline-block}.footer-desc[data-astro-cid-jo6i4kqk]{color:var(--uxdt-text-sub);margin-top:14px;font-size:13px;line-height:1.9}.footer-nav[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;gap:20px 40px;display:flex}.footer-nav-col[data-astro-cid-jo6i4kqk]{flex-shrink:0}.footer-nav-heading[data-astro-cid-jo6i4kqk]{letter-spacing:.08em;color:var(--uxdt-text);margin-bottom:10px;font-size:12px;font-weight:700}.footer-nav[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:var(--uxdt-text-sub);font-size:13px;line-height:2.1}.footer-nav[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--uxdt-purple)}.footer-bottom[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--rule);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:24px;display:flex}.footer-copy[data-astro-cid-jo6i4kqk]{color:var(--uxdt-text-sub);font-size:12px}.footer-legal[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;gap:20px;display:flex}.footer-legal[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:var(--uxdt-text-sub);font-size:12px}.footer-legal[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--uxdt-purple)}@media (width<=720px){.footer-top[data-astro-cid-jo6i4kqk],.footer-nav[data-astro-cid-jo6i4kqk]{gap:32px}}.skip-link[data-astro-cid-hkbrpulz]{z-index:200;background:var(--uxdt-surface);border:1px solid var(--uxdt-purple);border-radius:var(--radius);padding:8px 16px;font-size:14px;font-weight:700;transition:top .15s;position:absolute;top:-48px;left:8px}.skip-link[data-astro-cid-hkbrpulz]:focus{top:8px}