@import "https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&family=Kaisei+Opti:wght@400;500;700&display=swap";:root{--color-bg:#272727;--color-accent:#b38865;--color-accent-soft:#d9c3ac;--color-ink:#fffffff0;--color-ink-soft:#ffffffc7;--color-muted:#ffffff8c;--color-border:#ffffff24;--color-surface:#ffffff0a;--color-surface-alt:#ffffff12;--font-serif:"Kaisei Opti", "Noto Serif JP", serif;--font-body:"Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;--sidebar-width:280px;--content-width:900px;--radius:6px}*{box-sizing:border-box}html,body{width:100%;margin:0;padding:0;overflow-x:hidden}body{background-color:var(--color-bg);color:var(--color-ink-soft);font-family:var(--font-body);-webkit-font-smoothing:antialiased;background-image:url(/images/bg-pattern.png);background-repeat:repeat;line-height:1.9}h1,h2,h3,h4{font-family:var(--font-body);color:var(--color-ink);margin:0;font-weight:700;line-height:1.5}p{margin:0}a{color:inherit;text-decoration:none}ul,ol{margin:0;padding:0}img{max-width:100%;display:block}.container{max-width:var(--content-width);margin:0 auto;padding:0 1.5rem}.section{padding:3rem 0}.section-title{text-align:center;margin-bottom:.75rem;font-size:1.6rem;font-weight:700}.section-sub{text-align:center;color:var(--color-muted);margin-bottom:2.25rem;font-size:.9rem}.eyebrow{letter-spacing:.1em;color:var(--color-accent);margin-bottom:.5rem;font-size:.8rem;display:inline-block}a.link,.link-inline{color:var(--color-accent);text-underline-offset:3px;text-decoration:underline #b3886580}a.link:hover,.link-inline:hover{color:var(--color-accent-soft)}.btn{border:1px solid var(--color-accent);cursor:pointer;border-radius:3px;justify-content:center;align-items:center;gap:.5rem;padding:.8rem 1.6rem;font-size:.9rem;font-weight:600;transition:background .15s,color .15s,opacity .15s;display:inline-flex}.btn-primary{background:var(--color-accent);color:#fff}.btn-primary:hover{opacity:.85}.btn-outline{color:var(--color-accent);background:0 0}.btn-outline:hover{background:var(--color-accent);color:#fff}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.6rem 1.75rem}table{border-collapse:collapse;width:100%}table th,table td{text-align:left;border-bottom:1px solid var(--color-border);vertical-align:top;padding:.9rem 1rem}table th{width:30%;color:var(--color-accent);background:var(--color-surface);font-weight:600}@media (width<=640px){.section{padding:2.25rem 0}.section-title{font-size:1.35rem}table th{width:38%}}.prose h1{text-align:center;margin-bottom:2rem;font-size:1.9rem}.prose h2{color:var(--color-accent);margin:2.25rem 0 1rem;font-size:1.3rem}.prose h3{color:var(--color-accent);margin:1.75rem 0 .5rem;font-size:1.05rem}.prose p{margin-bottom:.9rem}.prose hr{border:none;border-top:1px solid var(--color-border);margin:1.5rem 0}.prose a{color:var(--color-accent);text-underline-offset:3px;word-break:break-all;text-decoration:underline #b3886580}.prose a:hover{color:var(--color-accent-soft)}.prose figure{max-width:640px;margin:0 auto 2rem}.prose figure img{border-radius:4px}.prose ul,.prose ol{margin:0 0 1rem 1.25rem}.prose ul{list-style:outside}.prose ol{list-style:decimal}.prose li{margin-bottom:.4rem}@media (width<=640px){.prose h1{font-size:1.4rem}}.nav-toggle[data-astro-cid-nen7h5rs]{display:none}.topbar[data-astro-cid-nen7h5rs]{inset:0 0 auto var(--sidebar-width);height:var(--topbar-height);z-index:40;background-color:var(--color-bg);background-image:url(/images/bg-pattern.png);justify-content:flex-end;align-items:center;gap:1.5rem;padding:0 1.5rem;display:flex;position:fixed}.mobile-logo[data-astro-cid-nen7h5rs]{font-family:var(--font-serif);color:var(--color-ink);margin-right:auto;font-size:1.15rem;display:none}.socials[data-astro-cid-nen7h5rs]{color:#ffffffd9;gap:1.1rem;display:flex}.socials[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover{color:var(--color-accent)}.sidebar-socials[data-astro-cid-nen7h5rs]{display:none}.hamburger[data-astro-cid-nen7h5rs]{cursor:pointer;flex-direction:column;gap:5px;padding:.4rem;display:none}.hamburger[data-astro-cid-nen7h5rs] span[data-astro-cid-nen7h5rs]{background:#fff;width:22px;height:2px;transition:transform .2s,opacity .2s}.scrim[data-astro-cid-nen7h5rs]{display:none}.sidebar[data-astro-cid-nen7h5rs]{z-index:50;width:var(--sidebar-width);flex-direction:column;align-items:center;height:100svh;padding:3.5rem 2rem 2rem;display:flex;position:fixed;inset:0 auto 0 0}.logo[data-astro-cid-nen7h5rs]{font-family:var(--font-serif);color:var(--color-ink);flex-direction:column;align-self:stretch;align-items:flex-start;margin-bottom:3.5rem;font-size:1.7rem;line-height:1.35;display:flex}.nav[data-astro-cid-nen7h5rs]{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:1rem;display:flex}.nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs]{flex-direction:column;align-items:center;gap:1.15rem;list-style:none;display:flex}.nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{color:#fffc;text-align:center;font-size:.92rem;font-weight:500;transition:color .15s}.nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover{color:#fff}.nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs].active{color:var(--color-accent)}@media (width<=960px){.topbar[data-astro-cid-nen7h5rs]{justify-content:flex-end;padding:0 1.25rem;inset-inline-start:0}.mobile-logo[data-astro-cid-nen7h5rs]{display:block}.topbar[data-astro-cid-nen7h5rs]>.socials[data-astro-cid-nen7h5rs]{display:none}.hamburger[data-astro-cid-nen7h5rs]{display:flex}.sidebar[data-astro-cid-nen7h5rs]{z-index:60;background-color:var(--color-bg);background-image:url(/images/bg-pattern.png);width:min(300px,82vw);height:100svh;padding:5rem 2rem 2rem;transition:transform .25s;position:fixed;inset:0 0 0 auto;transform:translate(100%)}.logo[data-astro-cid-nen7h5rs]{text-align:center;align-items:center}.sidebar-socials[data-astro-cid-nen7h5rs]{margin-top:2rem;display:flex}.nav-toggle[data-astro-cid-nen7h5rs]:checked~.sidebar[data-astro-cid-nen7h5rs]{transform:translate(0)}.nav-toggle[data-astro-cid-nen7h5rs]:checked~.scrim[data-astro-cid-nen7h5rs]{z-index:55;background:#00000080;display:block;position:fixed;inset:0}.nav-toggle[data-astro-cid-nen7h5rs]:checked~.topbar[data-astro-cid-nen7h5rs] .hamburger[data-astro-cid-nen7h5rs] span[data-astro-cid-nen7h5rs]:first-child{transform:translateY(7px)rotate(45deg)}.nav-toggle[data-astro-cid-nen7h5rs]:checked~.topbar[data-astro-cid-nen7h5rs] .hamburger[data-astro-cid-nen7h5rs] span[data-astro-cid-nen7h5rs]:nth-child(2){opacity:0}.nav-toggle[data-astro-cid-nen7h5rs]:checked~.topbar[data-astro-cid-nen7h5rs] .hamburger[data-astro-cid-nen7h5rs] span[data-astro-cid-nen7h5rs]:nth-child(3){transform:translateY(-7px)rotate(-45deg)}}.site-footer[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--color-border);text-align:center;padding:1.75rem 1.5rem}.copyright[data-astro-cid-jo6i4kqk]{color:var(--color-muted);font-size:.8rem}.site[data-astro-cid-ju4pidww]{--topbar-height:4.25rem;height:100svh;overflow:hidden}.content[data-astro-cid-ju4pidww]{inset:var(--topbar-height) 0 0 var(--sidebar-width);overscroll-behavior:contain;min-width:0;padding:1.5rem 2.5rem 4rem;position:fixed;overflow-y:auto}@media (width<=960px){.content[data-astro-cid-ju4pidww]{padding:1.5rem 1.25rem 3rem;inset-inline-start:0}}