:root{color-scheme:light;--portal-font-body:var(--font-noto-sans-jp,"Noto Sans JP"), -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", "Meiryo", sans-serif;--portal-font-heading:var(--font-noto-sans-jp,"Noto Sans JP"), -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", "Meiryo", sans-serif;--portal-ink:#161412;--portal-muted:#5f564a;--portal-line:#1816131c;--portal-paper:#fbf7eff2;--portal-indigo:#243948;--portal-vermilion:#9a4d33;--portal-shadow:0 10px 22px #18161308;font-family:var(--portal-font-body);color:#161412;background:#f3ecde;line-height:1.75}*{box-sizing:border-box}body{font-family:var(--portal-font-body);line-break:strict;background:url(/motifs/seigaiha-fade.svg) 100% 0/26rem no-repeat,repeating-linear-gradient(90deg,#ffffff14 0 1px,#0000 1px 16px),repeating-linear-gradient(#a04d3107 0 1px,#0000 1px 18px),radial-gradient(circle at 0 0,#24394814,#0000 24rem),linear-gradient(#f6efe2 0%,#efe5d5 100%);margin:0}a{color:inherit}.portal-shell{min-height:100vh}.portal-header{z-index:10;border-bottom:1px solid var(--portal-line);background:#f8f4ecf5;position:relative}.portal-header:before{content:"";background:repeating-linear-gradient(90deg,#a04d3140 0 .8rem,#0000 .8rem 1.3rem);height:1px;position:absolute;inset:0 0 auto}.portal-header:after{content:"";background:linear-gradient(90deg,#24374647,#a04d314d,#24374647);height:3px;position:absolute;inset:auto 0 0}.portal-header-inner,.portal-main,.portal-footer{width:min(72rem,100% - 2rem);margin:0 auto}.portal-header-inner{padding:1.35rem 0 1.1rem}.portal-brand{grid-template-columns:auto minmax(0,1fr);align-items:start;gap:.9rem;display:grid}.portal-seal{width:3rem;min-height:5.1rem;color:var(--portal-vermilion);font-family:var(--portal-font-heading);letter-spacing:.16em;background:linear-gradient(#fff9f2f5,#f4ebe0eb),repeating-linear-gradient(#a04d310a 0 2px,#0000 2px 12px);border:1px solid #a04d316b;grid-template-rows:repeat(2,1fr);place-items:center;padding:.4rem .2rem;font-size:.8rem;font-weight:700;display:grid;box-shadow:inset 0 0 0 2px #a04d3129}.portal-seal span{writing-mode:vertical-rl}.portal-brand__copy{gap:.2rem;min-width:0;display:grid}.portal-kicker{letter-spacing:.1em;width:fit-content;color:var(--portal-vermilion);background:#fffaf3d9;border:1px solid #a04d313d;margin:0 0 .35rem;padding:.15rem .55rem .22rem;font-size:.75rem;display:inline-flex}.portal-title{font-family:var(--portal-font-heading);letter-spacing:.02em;text-wrap:balance;overflow-wrap:anywhere;word-break:normal;margin:0;font-size:clamp(1.7rem,1.5vw + 1.25rem,2.65rem);font-weight:700;line-height:1.28}.portal-description{max-width:48rem;color:var(--portal-muted);margin:.75rem 0 0;line-height:1.8}.portal-nav{flex-wrap:wrap;gap:.55rem 1rem;margin-top:1rem;display:flex}.portal-nav a{border-bottom:1px solid #0000;padding:0 0 .18rem;text-decoration:none;transition:color .18s,border-color .18s}.portal-nav a:hover,.portal-nav a:focus-visible{color:var(--portal-vermilion);border-color:#a04d3159}.portal-nav a[aria-current=page]{color:var(--portal-vermilion);border-color:#a04d3166}.portal-main{gap:1rem;width:min(72rem,100% - 2rem);margin:0 auto;padding:2.1rem 0 3rem;display:grid}.portal-card{border:1px solid var(--portal-line);box-shadow:none;background:linear-gradient(#fffcf7f5,#f7f0e6f0),repeating-linear-gradient(#a04d3105 0 1px,#0000 1px 15px);border-radius:.38rem;padding:1.5rem;position:relative}.portal-card:before{content:"";background:linear-gradient(90deg,#a04d3194,#0000);width:6rem;height:1px;margin-bottom:1rem;display:block}.portal-card:after{content:"";pointer-events:none;border:1px solid #24374614;position:absolute;inset:.45rem}.portal-card__eyebrow{width:fit-content;color:var(--portal-vermilion);letter-spacing:.08em;background:#fff8f0cc;border:1px solid #a04d3138;margin:0 0 .55rem;padding:.12rem .55rem .18rem;font-size:.78rem;display:inline-flex}.portal-card--hero{background:url(/motifs/seigaiha-fade.svg) 100% 0/18rem no-repeat,linear-gradient(#fffcf7fa,#f4ece1f7),radial-gradient(circle at 100% 0,#24374614,#0000 18rem),repeating-linear-gradient(#a04d3105 0 1px,#0000 1px 14px);padding:1.75rem 1.6rem}.portal-grid{gap:1rem;display:grid}.portal-grid--two{grid-template-columns:repeat(auto-fit,minmax(16rem,1fr))}.portal-card h2,.portal-card h3{font-family:var(--portal-font-heading);text-wrap:balance;overflow-wrap:anywhere;word-break:normal;margin-top:0;font-weight:700;line-height:1.45}.portal-card>:where(p,ul,ol){max-width:42rem}.portal-home-actions{flex-wrap:wrap;gap:.8rem;margin-top:1.3rem;display:flex}.portal-home-actions a{min-height:2.7rem;color:var(--portal-indigo);background:linear-gradient(#fffcf7f5,#f4ebe1eb),repeating-linear-gradient(90deg,#a04d3108 0 1px,#0000 1px 10px);border:1px solid #2437462e;align-items:center;padding:.1rem 1rem;font-weight:700;text-decoration:none;transition:color .18s,border-color .18s,transform .18s;display:inline-flex;box-shadow:inset 0 0 0 1px #a04d3129}.portal-home-actions a:hover,.portal-home-actions a:focus-visible{color:var(--portal-vermilion);border-color:#a04d3157;transform:translateY(-1px)}.portal-directory{border-top:1px solid var(--portal-line);margin:1rem 0 0;padding:0;list-style:none}.portal-directory li{border-bottom:1px solid var(--portal-line)}.portal-directory a{flex-wrap:wrap;justify-content:space-between;align-items:start;gap:1rem;padding:.9rem 0;text-decoration:none;display:flex}.portal-directory__label{overflow-wrap:anywhere;word-break:normal;min-width:0}.portal-directory a:after{content:"案内";color:var(--portal-vermilion);letter-spacing:.08em;background:#fff8f0b8;border:1px solid #a04d3129;flex-shrink:0;padding:.08rem .5rem .14rem;font-size:.74rem}.portal-directory a:hover,.portal-directory a:focus-visible{color:var(--portal-vermilion)}.portal-footer{color:var(--portal-muted);padding:0 0 2rem}@media (width<=47.99rem){.portal-header-inner,.portal-main,.portal-footer{width:min(100% - 1.2rem,72rem)}}@media (prefers-reduced-motion:reduce){.portal-nav a,.portal-home-actions a{transition:none}}