:root{color-scheme:light;--nijida-color-bg: #f6f3ed;--nijida-color-surface: #fffdf8;--nijida-color-surface-muted: #ede9df;--nijida-color-text: #202622;--nijida-color-muted: #59635d;--nijida-color-border: #d3cec3;--nijida-color-link: #285b66;--nijida-color-accent: #a63b36;--nijida-color-accent-strong: #762724;--nijida-color-info-bg: #e8f0ed;--nijida-color-warning: #9a6a00;--nijida-color-warning-bg: #f5e7b8;--nijida-font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--nijida-font-serif: ui-serif, "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", Georgia, serif;--nijida-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;--nijida-content-width: 72rem;--nijida-page-width: 52rem;--nijida-radius: 0.35rem;--nijida-shadow: 0 0.6rem 1.8rem rgba(32, 38, 34, 0.12)}*{box-sizing:border-box}html{background:var(--nijida-color-bg);color:var(--nijida-color-text);font-family:var(--nijida-font-sans);line-height:1.6}body{margin:0}h1,h2,h3{font-family:var(--nijida-font-serif);font-weight:600;letter-spacing:-0.018em}p,li{text-wrap:pretty}a{color:var(--nijida-color-link)}a:hover{color:var(--nijida-color-accent-strong)}img,svg{max-width:100%}code,pre{font-family:var(--nijida-font-mono)}.skip-link{background:var(--nijida-color-text);color:#ffffff;left:1rem;padding:0.5rem 0.75rem;position:absolute;top:-4rem;z-index:10}.skip-link:focus{top:1rem}.button{align-items:center;border:1px solid var(--nijida-color-border);border-radius:var(--nijida-radius);display:inline-flex;font-weight:650;gap:0.4rem;justify-content:center;min-height:2.75rem;padding:0.65rem 1rem;text-decoration:none}.button--primary{background:var(--nijida-color-accent);border-color:var(--nijida-color-accent);color:#ffffff}.button--primary:hover{background:var(--nijida-color-accent-strong);color:#ffffff}.document-status{background:var(--nijida-color-warning-bg);border-left:3px solid var(--nijida-color-warning);color:var(--nijida-color-text);font-size:0.92rem;margin-top:1.5rem;padding:0.75rem 1rem}.legal-content h2{border-top:1px solid var(--nijida-color-border);margin-top:2.5rem;padding-top:1.25rem}.legal-content a{overflow-wrap:anywhere}.masthead,.site-footer{background:var(--nijida-color-surface);border-color:var(--nijida-color-border)}.masthead{border-bottom:1px solid var(--nijida-color-border);position:relative;z-index:5}.masthead__inner,.site-footer__inner,.landing-hero__inner,.landing-content,.feature-row,.card-grid,.knowledge-hub{margin-inline:auto;max-width:var(--nijida-content-width);padding-inline:clamp(1rem, 4vw, 2rem)}.masthead__inner{align-items:center;display:flex;gap:1.5rem;min-height:4.25rem}.site-title{align-items:center;color:var(--nijida-color-text);display:inline-flex;font-size:1.05rem;font-weight:750;gap:0.6rem;text-decoration:none}.site-title__mark{align-items:center;background:var(--nijida-color-accent);color:#fff;display:inline-flex;font-family:var(--nijida-font-serif);font-size:0.9rem;height:1.9rem;justify-content:center;width:1.9rem}.site-nav{display:flex;flex-wrap:wrap;gap:0.25rem;margin-left:auto}.site-nav__link,.site-nav__group>summary,.footer-nav a{border-radius:var(--nijida-radius);color:var(--nijida-color-muted);font-size:0.95rem;padding:0.45rem 0.65rem;text-decoration:none}.site-nav__group{position:relative}.site-nav__group>summary{cursor:pointer;list-style:none}.site-nav__group>summary::-webkit-details-marker{display:none}.site-nav__group>summary::after{content:"＋";font-size:0.75rem;margin-left:0.35rem}.site-nav__group[open]>summary::after{content:"−"}.site-nav__link:hover,.site-nav__link.is-active,.site-nav__group.is-active>summary,.site-nav__group>summary:hover{background:var(--nijida-color-surface-muted);color:var(--nijida-color-text)}.site-nav__dropdown{background:var(--nijida-color-surface);border:1px solid var(--nijida-color-border);box-shadow:var(--nijida-shadow);display:grid;min-width:19rem;padding:0.5rem;position:absolute;right:0;top:calc(100% + 0.6rem)}.site-nav__dropdown a{color:var(--nijida-color-text);display:grid;gap:0.1rem;padding:0.7rem 0.8rem;text-decoration:none}.site-nav__dropdown a:hover{background:var(--nijida-color-surface-muted)}.site-nav__dropdown span{color:var(--nijida-color-muted);font-size:0.78rem}.site-nav__overview{border-bottom:1px solid var(--nijida-color-border);color:var(--nijida-color-link) !important;font-size:0.85rem}.language-switcher{border-left:1px solid var(--nijida-color-border);display:flex;gap:0.2rem;padding-left:0.75rem}.language-switcher a{color:var(--nijida-color-muted);font-size:0.72rem;padding:0.3rem;text-decoration:none}.language-switcher a[aria-current="page"]{color:var(--nijida-color-accent);font-weight:750}.site-main{min-height:calc(100vh - 8rem)}.nijida-page{margin-inline:auto;max-width:var(--nijida-page-width);padding:clamp(2rem, 6vw, 4rem) clamp(1rem, 4vw, 2rem)}.page-header{margin-bottom:2rem}.page-header h1,.landing-hero h1{font-size:clamp(2rem, 5vw, 3.8rem);line-height:1.08;margin:0}.page-kicker{color:var(--nijida-color-accent);font-size:0.82rem;font-weight:750;margin:0 0 0.6rem;text-transform:uppercase}.page-lead{color:var(--nijida-color-muted);font-size:1.18rem;max-width:44rem}.page-content>:first-child{margin-top:0}.site-footer{border-top:1px solid var(--nijida-color-border);color:var(--nijida-color-muted)}.site-footer__inner{align-items:center;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;padding-block:1.5rem}.site-footer__identity{align-items:center;display:flex;gap:0.65rem}.site-footer .site-title__mark{height:1.5rem;width:1.5rem}.site-footer p{margin:0}.footer-nav{display:flex;flex-wrap:wrap;gap:0.25rem}@media (max-width: 720px){.masthead__inner,.site-footer__inner{align-items:flex-start;flex-direction:column}.site-nav{margin-left:0}.site-nav__dropdown{left:0;right:auto}.language-switcher{border-left:0;padding-left:0}}.landing-hero{background:linear-gradient(110deg, rgba(166,59,54,0.1), rgba(40,91,102,0.06)),var(--nijida-color-surface);border-bottom:1px solid var(--nijida-color-border)}.landing-hero__inner{padding-block:clamp(3rem, 9vw, 6rem)}.landing-hero .page-lead{margin-bottom:0}.action-row{display:flex;flex-wrap:wrap;gap:0.75rem;margin-top:1.5rem}.landing-content{padding-block:2rem}.section-header{margin-bottom:1rem}.section-header h2{font-size:clamp(1.4rem, 3vw, 2rem);margin:0}.section-header p{color:var(--nijida-color-muted);margin:0.35rem 0 0}.card-grid{padding-block:1.5rem}.card-grid__items,.feature-row__inner{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit, minmax(min(100%, 16rem), 1fr))}.nijida-card{background:var(--nijida-color-surface);border:1px solid var(--nijida-color-border);border-radius:var(--nijida-radius);color:var(--nijida-color-text);display:block;min-height:100%;text-decoration:none}.nijida-card:hover{border-color:color-mix(in srgb, var(--nijida-color-accent), var(--nijida-color-border) 55%);box-shadow:var(--nijida-shadow);color:var(--nijida-color-text)}.nijida-card__body{padding:1rem}.nijida-card__icon{align-items:center;background:var(--nijida-color-surface-muted);border-radius:var(--nijida-radius);display:inline-flex;font-weight:750;height:2rem;justify-content:center;margin-bottom:0.75rem;width:2rem}.nijida-card h3{font-size:1.05rem;line-height:1.25;margin:0 0 0.45rem}.nijida-card p{color:var(--nijida-color-muted);margin:0}.nijida-card__meta{color:var(--nijida-color-muted);display:flex;flex-wrap:wrap;font-size:0.85rem;gap:0.5rem;margin-top:0.85rem}.callout{background:var(--nijida-color-info-bg);border:1px solid var(--nijida-color-border);border-left:4px solid var(--nijida-color-link);border-radius:var(--nijida-radius);margin-block:1.5rem;padding:1rem}.callout h2{font-size:1rem;margin:0 0 0.35rem}.callout p{margin:0}.callout--warning{background:var(--nijida-color-warning-bg);border-left-color:var(--nijida-color-warning)}.callout--status{background:var(--nijida-color-surface-muted);border-left-color:var(--nijida-color-accent)}.nijida-knowledge{max-width:var(--nijida-content-width)}.knowledge-hub{padding-block:1rem 3rem}.topic-section{margin-block:2rem}.topic-section+.topic-section{border-top:1px solid var(--nijida-color-border);padding-top:2rem}