:root{--paper:#f7f3ea;--paper-deep:#efe8d8;--card:#fffdf7;--ink:#1f3a5f;--ink-2:#34496a;--ink-soft:#5b6b82;--shu:#d2462b;--take:#7fae8f;--take-pale:#e3eee6;--line:#cdbfa3;--mincho:"Hiragino Mincho ProN","Yu Mincho","YuMincho","Noto Serif JP",serif;--gothic:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic","YuGothic","Noto Sans JP",Meiryo,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--paper);background-image:radial-gradient(rgba(31,58,95,.035) 1px,transparent 1px);background-size:5px 5px;color:var(--ink);font-family:var(--gothic);font-size:1rem;line-height:1.9;word-break:normal;line-break:strict;overflow-wrap:anywhere;font-feature-settings:"palt" 0}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration-color:rgba(31,58,95,.45);text-underline-offset:.22em;text-decoration-thickness:1px}
a:hover,a:focus-visible{color:var(--shu);text-decoration-color:var(--shu)}
a:focus-visible{outline:2px solid var(--shu);outline-offset:2px}
h1,h2,h3,h4{font-family:var(--mincho);font-weight:600;line-height:1.5;letter-spacing:.03em;color:var(--ink)}
.site-head{border-bottom:3px double var(--ink);background:var(--card)}
.head-inner{max-width:72rem;margin:0 auto;padding:.9rem 1rem .6rem;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:.6rem 2rem}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;min-width:0}
.mark{width:2.6rem;height:2.6rem;flex:none;color:var(--ink)}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-name{font-family:var(--mincho);font-size:1.45rem;font-weight:600;letter-spacing:.08em;line-height:1.3}
.brand-tag{font-size:.74rem;color:var(--ink-soft);letter-spacing:.04em;line-height:1.5}
.gnav{display:flex;flex-wrap:wrap;align-items:center;gap:.2rem .9rem;min-width:0;max-width:100%}
.gnav-label{margin:0;font-size:.72rem;color:var(--ink-soft);letter-spacing:.1em;border:1px solid var(--line);padding:0 .45rem;border-radius:2px}
.gnav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.1rem 1rem;min-width:0}
.gnav a{display:inline-block;text-decoration:none;font-size:.92rem;padding:.2rem 0 .15rem;border-bottom:2px solid transparent}
.gnav a.is-current{border-bottom-color:var(--shu)}
.gnav a.is-current::before{content:"";display:inline-block;width:.42rem;height:.42rem;border-radius:50%;background:var(--shu);margin-right:.35rem;vertical-align:.12em}
.gnav-seido{padding-left:.9rem!important;border-left:1px solid var(--line)}
.gnav-seido a{font-family:var(--mincho);font-weight:600}
.main{max-width:46rem;margin:0 auto;padding:1.2rem 1rem 3rem}
.home .main{max-width:72rem}
.crumbs ol{list-style:none;margin:0 0 1.4rem;padding:0;display:flex;flex-wrap:wrap;gap:.1rem .2rem;font-size:.8rem;color:var(--ink-soft)}
.crumbs li:not(:last-child)::after{content:"›";margin:0 .35rem 0 .45rem;color:var(--line)}
.crumbs a{color:var(--ink-soft)}
.page-head{margin-bottom:1.6rem}
.page-kicker{margin:0;font-size:.8rem;letter-spacing:.14em;color:var(--take);font-weight:700}
h1{font-size:1.85rem;margin:.2rem 0 .8rem}
.lead{font-size:1.06rem;color:var(--ink-2);margin:0}
.hero{margin:1.6rem 0 2rem;border:1px solid var(--line);padding:.45rem;background:var(--card)}
.hero img{width:100%;aspect-ratio:3/2;object-fit:cover}
.specimen{position:relative;border:1.5px solid var(--ink);background:var(--card);padding:1.1rem 1.2rem 1rem;margin:0 0 2.2rem;box-shadow:4px 4px 0 var(--paper-deep)}
.specimen::before{content:"";position:absolute;inset:4px;border:1px solid var(--line);pointer-events:none}
.specimen-title{margin:0 0 .6rem;font-family:var(--mincho);font-size:.95rem;letter-spacing:.2em;color:var(--ink-soft)}
.specimen dl{margin:0;display:grid;grid-template-columns:minmax(6.5rem,max-content) 1fr;gap:.35rem 1rem}
.specimen dt{font-weight:700;font-size:.86rem;color:var(--ink);border-right:2px solid var(--shu);padding-right:.7rem}
.specimen dd{margin:0;font-size:.93rem}
.chips{display:flex;flex-wrap:wrap;gap:.35rem;list-style:none;margin:0;padding:0}
.chips a,.chip{display:inline-block;background:var(--take-pale);border:1px solid var(--take);color:var(--ink);font-size:.8rem;line-height:1.5;padding:.1rem .6rem;border-radius:999px;text-decoration:none}
.chips a:hover{background:var(--take);color:#fff}
.body{counter-reset:sec}
.body h2{counter-increment:sec;font-size:1.35rem;margin:2.6rem 0 .9rem;padding-top:1.3rem;border-top:3px double var(--ink);display:flex;gap:.7rem;align-items:baseline}
.body h2::before{content:counter(sec,cjk-ideographic);color:var(--shu);font-size:1rem;flex:none;min-width:1.4rem}
.body h3{font-size:1.1rem;margin:1.8rem 0 .5rem;padding-left:.7rem;border-left:3px solid var(--take)}
.body p{margin:0 0 1.1rem}
.body ul,.body ol{margin:0 0 1.2rem;padding-left:1.4rem}
.body li{margin:.25rem 0}
.note{background:var(--card);border-left:3px solid var(--take);padding:.8rem 1rem;margin:1.4rem 0;font-size:.95rem}
.note p:last-child{margin-bottom:0}
.table-wrap{overflow-x:auto;margin:0 0 1.4rem;border:1px solid var(--line);background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:.9rem;min-width:30rem}
th,td{text-align:left;vertical-align:top;padding:.55rem .7rem;border-bottom:1px solid var(--line)}
thead th{font-family:var(--mincho);background:var(--paper-deep);font-weight:600}
.diagram{margin:1.6rem 0;padding:1rem;background:var(--card);border:1px solid var(--line)}
.diagram svg{width:100%;height:auto;display:block}
.diagram svg text{font-family:var(--gothic);fill:var(--ink)}
.related{margin-top:3rem;padding-top:1.2rem;border-top:3px double var(--ink)}
.related-title{font-family:var(--mincho);font-weight:600;margin:0 0 .6rem}
.glossary dt{font-family:var(--mincho);font-weight:600;font-size:1.05rem;margin-top:1.1rem}
.glossary dd{margin:.2rem 0 0;padding-left:1rem;border-left:1px solid var(--line)}
.glossary .yomi{font-family:var(--gothic);font-weight:400;font-size:.78rem;color:var(--ink-soft);margin-left:.5rem}
.home-intro{display:grid;grid-template-columns:1fr;gap:1.6rem;align-items:center;margin:.6rem 0 2rem}
.home-intro h1{font-size:2.2rem;letter-spacing:.12em;margin:0 0 .6rem}
.home-intro .hero{margin:0}
@media (min-width:52rem){.home-intro{grid-template-columns:1.05fr 1fr}}
.zukan-group{margin:2.6rem 0 0}
.zukan-group>h2{font-size:1.3rem;margin:0 0 1rem;padding-top:1.1rem;border-top:3px double var(--ink);display:flex;gap:.7rem;align-items:baseline}
.zukan-group>h2 span{color:var(--shu);font-size:.95rem}
.grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));gap:1rem}
.card{height:100%;display:flex;gap:.9rem;padding:1rem;background:var(--card);border:1px solid var(--line);text-decoration:none;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--ink);transform:translateY(-2px);color:var(--ink)}
.card svg{width:2.6rem;height:2.6rem;flex:none;color:var(--ink);stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.card-title{display:block;font-family:var(--mincho);font-weight:600;font-size:1.05rem;line-height:1.5}
.card-text{display:block;font-size:.84rem;color:var(--ink-soft);line-height:1.7;margin-top:.25rem}
.home-prose{max-width:46rem}
.home-prose p{margin:0 0 1.1rem}
.site-foot{background:var(--ink);color:#e9e4d8;margin-top:2rem}
.foot-inner{max-width:72rem;margin:0 auto;padding:2.2rem 1rem 2rem}
.site-foot a{color:#f3efe4;text-decoration-color:rgba(243,239,228,.4)}
.site-foot a:hover{color:#fff;text-decoration-color:var(--shu)}
.findex{display:grid;grid-template-columns:repeat(auto-fill,minmax(12.5rem,1fr));gap:1.2rem 1.6rem}
.fcol-title{font-family:var(--mincho);font-weight:600;margin:0 0 .35rem;padding-bottom:.25rem;border-bottom:1px solid rgba(243,239,228,.3)}
.fcol ul{list-style:none;margin:0;padding:0;font-size:.85rem}
.fcol li{margin:.15rem 0}
.notice{margin:2rem 0 1rem;padding:1rem 1.1rem;border:1px solid rgba(243,239,228,.35);font-size:.82rem;line-height:1.85;color:#e9e4d8}
.foot-name{margin:0;font-family:var(--mincho);letter-spacing:.12em;font-size:.95rem}
.nf{text-align:center;padding:2rem 0}
.nf ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem}
@media (max-width:30rem){h1{font-size:1.55rem}.home-intro h1{font-size:1.75rem}.brand-name{font-size:1.2rem}.specimen dl{grid-template-columns:1fr}.specimen dt{border-right:0;border-left:2px solid var(--shu);padding:0 0 0 .5rem}.gnav-seido{padding-left:0!important;border-left:0}}
@media print{.site-head,.site-foot .findex{display:none}}