@import "https://fonts.googleapis.com/css2?family=Zen+Old+Mincho:wght@400;500;600&family=Zen+Kaku+Gothic+New:wght@400;500;700&display=swap";:root{--paper-0:#fbf8f1;--paper-1:#f4efe3;--paper-2:#ece5d5;--paper-3:#ded4c0;--wood-1:#8a6e52;--wood-2:#6b5138;--wood-3:#4a3728;--wood-4:#2e241c;--ink-1:#2b2622;--ink-2:#4f463d;--ink-3:#6e645a;--moss-1:#7e8c6e;--moss-2:#5f6f55;--moss-3:#44513c;--azuki:#6b3a38;--ware:#fcfbf8;--surface-page:var(--paper-1);--surface-raised:var(--paper-0);--surface-sunken:var(--paper-2);--surface-ink:var(--wood-4);--surface-accent:var(--moss-3);--border-hairline:var(--paper-3);--border-rule:var(--wood-1);--border-strong:var(--wood-3);--text-body:var(--ink-1);--text-quiet:var(--ink-3);--text-on-dark:var(--paper-0);--text-quiet-on-dark:var(--paper-3);--link-on-dark:var(--paper-2);--text-accent:var(--moss-2);--text-caution:var(--azuki);--link:var(--moss-3);--link-hover:var(--wood-3);--focus-ring:var(--moss-2);--font-mincho:"Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;--font-gothic:"Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;--size-100:.8125rem;--size-200:.875rem;--size-300:1rem;--size-400:1.0625rem;--size-500:1.1875rem;--size-600:1.375rem;--size-700:1.625rem;--size-800:2rem;--size-900:2.625rem;--lh-tight:1.4;--lh-snug:1.6;--lh-body:1.9;--tracking-tight:.01em;--tracking-body:.04em;--tracking-wide:.18em;--weight-regular:400;--weight-medium:500;--weight-bold:700;--measure:34em}@media (width>=768px){:root{--size-800:2.375rem;--size-900:3.25rem}}:root{--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--space-9:96px;--space-10:128px;--gutter:20px;--section-gap:var(--space-9);--stack-gap:var(--space-5);--content-max:640px;--wide-max:1040px}@media (width>=768px){:root{--gutter:40px;--section-gap:var(--space-10)}}:root{--radius-0:0px;--radius-1:2px;--radius-2:4px;--radius-pill:999px;--hairline:1px solid var(--border-hairline);--rule:1px solid var(--border-rule);--shadow-none:none;--shadow-photo:0 1px 2px #2e241c1a;--rule-double:3px double var(--wood-1);--rule-hair-wood:1px solid var(--wood-1);--frame-inset:var(--space-5);--frame-border:1px solid var(--wood-1);--leader-dots:1px dotted var(--wood-1);--leader-drop:7px;--spine-x:clamp(32px, 8vw, 56px);--spine-w:1px;--spine-color:#8a6e5259;--drip-line:1px;--drip-len:var(--space-7);--drip-dot:6px;--drip-color:var(--wood-2);--sheet-margin:var(--space-3);--sheet-border:1px solid var(--wood-1);--numeral-box:2.2em;--ornament-mid:"―";--ornament-note:"※";--ease-quiet:cubic-bezier(.33,0,.2,1);--dur-fast:.12s;--dur-base:.2s;--dur-slow:.42s}@media (prefers-reduced-motion:reduce){:root{--dur-fast:0s;--dur-base:0s;--dur-slow:0s}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--surface-page);color:var(--text-body);font-family:var(--font-gothic);font-size:var(--size-400);line-height:var(--lh-body);letter-spacing:var(--tracking-body);font-feature-settings:"palt" 0;text-wrap:pretty;margin:0}h1,h2,h3,h4{font-family:var(--font-mincho);font-weight:var(--weight-medium);line-height:var(--lh-tight);letter-spacing:var(--tracking-tight);margin:0}p{margin:0}img{max-width:100%;height:auto;display:block}a{color:var(--link);text-underline-offset:.25em;text-decoration-thickness:1px}a:hover{color:var(--link-hover)}:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.reveal{transition:opacity var(--dur-slow) var(--ease-quiet), transform var(--dur-slow) var(--ease-quiet)}.reveal[data-in=false]{opacity:0;transform:translateY(8px)}.reveal[data-step="1"]{transition-delay:90ms}.reveal[data-step="2"]{transition-delay:.18s}.reveal[data-step="3"]{transition-delay:.27s}body{word-break:auto-phrase}:root{--demo-notice-h:40px}.demo-notice{height:var(--demo-notice-h);box-sizing:border-box;color:#fff;background:#1d3f94;justify-content:center;align-items:center;gap:12px;margin:0;padding:0 16px;font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.5;display:flex}.demo-notice__tag{letter-spacing:.16em;border:1px solid #ffffffb3;flex:none;padding:2px 7px;font-size:10px;font-weight:600}.demo-notice__text{letter-spacing:.06em;font-size:12px}.demo-notice__nowrap{white-space:nowrap}@media (width<=480px){.demo-notice{gap:8px;padding:0 12px}.demo-notice__text{letter-spacing:.02em;font-size:11px}.demo-notice__tag{letter-spacing:.12em;padding:2px 5px;font-size:9px}}.site-header{padding:0 var(--gutter);justify-content:center;display:flex}.site-header__inner{width:100%;max-width:var(--content-max);padding:var(--space-6) 0 var(--space-7)}.sheet{margin:var(--sheet-margin);border:var(--sheet-border);overflow:hidden}.site-header--top{min-height:calc(100vh - var(--demo-notice-h) - var(--sheet-margin) - 1px);min-height:calc(100svh - var(--demo-notice-h) - var(--sheet-margin) - 1px);flex-direction:column;justify-content:center;align-items:center}.site-header--top .site-header__inner{padding:var(--space-7) 0}.wordmark{border:1px solid var(--wood-1);padding:var(--space-5) var(--space-4);text-align:center}.wordmark__mark{width:32px;height:32px;margin:0 auto var(--space-3);display:block}.wordmark__name{margin:var(--space-3) 0 var(--space-2);padding:var(--space-3) 0}.site-header__lead{margin:var(--space-5) 0 0}.site-header__status{margin-top:var(--space-5)}.site-header__cta{margin-top:var(--space-6)}@media (height<=700px){.site-header--top .site-header__inner{padding:var(--space-4) 0}.wordmark{padding:var(--space-3)}.wordmark__mark{width:24px;height:24px;margin-bottom:var(--space-2)}.wordmark__name{margin:var(--space-2) 0 var(--space-1);padding:var(--space-2) 0}.site-header__lead,.site-header__status,.site-header__cta{margin-top:var(--space-4)}}.cta-actions{gap:var(--space-4);justify-items:stretch;display:grid}@media (width>=768px){.cta-actions{grid-auto-flow:column;justify-content:start;justify-items:start}}html{scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal,.reveal[data-step="1"],.reveal[data-step="2"],.reveal[data-step="3"]{opacity:1;transition:none;transform:none}}