:root{--paper:#F8F9FB;--card:#fff;--ink:#22282E;--sub:#66707A;--rule:#E2E6EA;--soft:#EEF2F6;--navy:#2F5D8A;--navy-d:#234A70;--amber:#B0722E;--red:#B4453C;--green:#3E8E6A;--quote:#EAF1F8;--hl:#FFF6DF}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Meiryo",system-ui,sans-serif;font-size:16px;line-height:1.85;font-feature-settings:"palt"}
.in{max-width:900px;margin:0 auto;padding:0 16px}
a{color:var(--navy-d)} img{max-width:100%;height:auto}
h1{font-family:"Zen Maru Gothic",sans-serif;font-size:clamp(22px,4.5vw,30px);line-height:1.4;margin:10px 0 8px}
h2{font-family:"Zen Maru Gothic",sans-serif;font-size:19px;margin:26px 0 8px}
h3{font-size:16px;margin:18px 0 6px}
.muted{color:var(--sub);font-size:13.5px}.hide{display:none!important}
.hd{background:#fff;border-bottom:1px solid var(--rule);position:sticky;top:0;z-index:5}
.hd .in{display:flex;align-items:center;justify-content:space-between;gap:10px;height:60px}
.brand img{height:40px;width:auto;display:block}
.hd nav{display:flex;gap:6px;flex-wrap:wrap}.hd nav a{font-size:13px;text-decoration:none;padding:6px 10px;border-radius:8px;color:var(--navy-d);font-weight:700}
.hd nav a.pri{background:var(--navy);color:#fff}
@media(max-width:600px){.hd nav a:not(.pri){display:none}}
main.in{padding-top:18px;padding-bottom:50px}
.bc{font-size:12.5px;color:var(--sub);margin:4px 0 6px}.bc a{color:var(--sub)}
.lead{font-size:15.5px;color:var(--sub)}
/* hero */
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:center;background:#fff;border:1px solid var(--rule);border-radius:20px;padding:22px}
.hero h1{font-size:clamp(24px,4.6vw,34px);margin:0 0 8px}.hero p{margin:0 0 14px;color:var(--sub);font-size:14.5px}
.hero-i{border-radius:14px}
@media(max-width:700px){.hero{grid-template-columns:1fr}.hero-i{max-width:260px;margin:0 auto}}
.three{display:grid;gap:8px}.three a{display:flex;align-items:center;gap:12px;text-decoration:none;background:var(--soft);border:2px solid var(--rule);border-radius:14px;padding:10px 12px;color:var(--ink)}
.three a:hover{border-color:var(--navy)}.three img{width:56px;height:56px}.three b{display:block;font-size:15.5px}.three small{color:var(--sub);font-size:12.5px}
.search{margin:22px 0 6px}.search label{font-weight:700;font-size:14px;display:block;margin-bottom:6px}
.search input{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:2px solid var(--navy);border-radius:12px;background:#fff}
.gt{color:var(--sub);font-size:13px;letter-spacing:.06em;margin:18px 0 6px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}@media(max-width:560px){.grid{grid-template-columns:1fr}}
.card{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--rule);border-radius:14px;padding:10px 12px;text-decoration:none;color:var(--ink)}
.card:hover{border-color:var(--navy)}.card img{width:56px;height:56px;flex:none}.card b{display:block;font-size:15px}.card small{color:var(--sub);font-size:12px;line-height:1.5;display:block}
.about-t{display:flex;gap:16px;align-items:flex-start;margin-top:34px;background:#fff;border:1px solid var(--rule);border-radius:18px;padding:18px}
.about-t img{width:110px;height:110px;flex:none}.about-t h2{margin-top:0;font-size:17px}.about-t p{font-size:14.5px;color:var(--sub)}
@media(max-width:560px){.about-t{flex-direction:column}}
/* article */
.art-h{display:flex;gap:14px;align-items:flex-start}.art-h .ci{width:72px;height:72px;flex:none;margin-top:6px}
.kicker{color:var(--amber);font-weight:700;font-size:13px;margin:0}
.sig{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:12.5px;color:var(--sub);margin:6px 0 10px}.sig .st{font-style:normal;background:var(--hl);color:var(--amber);border-radius:6px;padding:0 6px;font-weight:700}
.scene{background:var(--soft);border-radius:12px;padding:10px 14px;font-size:14.5px}
.it{background:#fff;border:1px solid var(--rule);border-radius:14px;padding:16px 16px 10px;margin-top:12px}
.it h2{display:flex;align-items:center;gap:8px;font-size:17px;margin:0 0 6px}.it h2 b{display:inline-grid;place-items:center;min-width:26px;height:26px;border-radius:50%;background:var(--navy);color:#fff;font-size:13px}
.it.k1{border-left:5px solid var(--navy)}.it.k1 p{font-size:17px;font-weight:600;line-height:1.7}
.it.k2 h2 b{background:var(--green)}.it.k3 h2 b{background:var(--amber)}.it.k8{color:var(--sub);font-size:14px}
.it p{margin:0 0 8px}.it ul,.it ol{margin:0 0 8px;padding-left:22px}.it li{margin-bottom:3px}
.it table{width:100%;border-collapse:collapse;font-size:14px;margin:4px 0 8px}.it th,.it td{border-bottom:1px solid var(--rule);padding:6px;text-align:left;vertical-align:top}.it th{color:var(--sub);font-weight:600;font-size:12.5px}
.it blockquote{margin:0 0 10px;padding:10px 14px;background:var(--quote);border-left:4px solid var(--navy);border-radius:0 10px 10px 0;font-size:15px}
.it .to{font-weight:700;font-size:14px;margin:8px 0 4px;color:var(--navy-d)}.it p.note,.note{font-size:13.5px;color:var(--sub);background:var(--soft);border-radius:8px;padding:8px 10px}
.two{display:grid;gap:12px}@media(min-width:700px){.two{grid-template-columns:1fr 1fr}}
.genba{background:var(--hl);border:1px solid #EAD9B5;border-radius:14px;padding:14px 16px;margin-top:12px}.genba h2{display:flex;align-items:center;gap:8px;font-size:16px;margin:0 0 6px}.genba small{color:var(--amber);font-size:12px}
.hitokoto{background:var(--quote);border-radius:14px;padding:14px 16px;margin-top:12px}.hitokoto h2{font-size:16px;margin:0 0 6px}
.cta{display:flex;gap:14px;align-items:flex-start;background:var(--navy);color:#fff;border-radius:18px;padding:18px;margin-top:16px}
.cta img{width:96px;height:96px;flex:none;background:#fff;border-radius:50%}.cta b{font-family:"Zen Maru Gothic",sans-serif;font-size:19px}.cta p{margin:4px 0 10px;font-size:14px;opacity:.95}
.cta .btn{display:inline-block;background:#fff;color:var(--navy-d);font-weight:700;text-decoration:none;padding:12px 18px;border-radius:12px}
.cta .qs{margin:10px 0 0;padding-left:18px;font-size:12.5px;opacity:.85}
@media(max-width:560px){.cta{flex-direction:column}}
.rel h2{font-size:16px}.relg{display:flex;flex-wrap:wrap;gap:8px}.relg a{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--rule);border-radius:10px;padding:6px 10px;text-decoration:none;font-size:14px}
.upd{font-size:12.5px;color:var(--sub);margin-top:18px}
a.cl,a.dl{font-weight:700;text-decoration:underline dotted}
.prose{background:#fff;border:1px solid var(--rule);border-radius:16px;padding:18px 20px}.prose h2{font-size:17px}
.tbl{width:100%;border-collapse:collapse;font-size:14.5px;background:#fff}.tbl th,.tbl td{border-bottom:1px solid var(--rule);padding:8px;text-align:left;vertical-align:top}.tbl th{color:var(--sub);font-size:13px}
.ft{background:#fff;border-top:1px solid var(--rule);margin-top:30px;padding:22px 0;font-size:13px;color:var(--sub)}
.ftg{display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:16px;align-items:start}.ftg img{width:40px;height:40px;vertical-align:middle;margin-right:8px}
@media(max-width:700px){.ftg{grid-template-columns:1fr}}
.cp{margin-top:12px;font-size:12px}

.src{margin-top:10px;border-top:1px dashed var(--rule);padding-top:8px}.src h3{font-size:13.5px;color:var(--navy-d);margin:0 0 4px}
.src ul{margin:0;padding-left:18px;font-size:13.5px}.src li{margin-bottom:3px}.src small{display:block;color:var(--sub);font-size:12px}

.scfig{margin:12px 0 4px;text-align:center}.scfig img{width:100%;max-width:560px;height:auto;display:inline-block;border-radius:14px;border:1px solid var(--rule);background:#fff}
.it h2 .sp{margin-left:auto;width:64px;height:64px;flex:none;margin-top:-6px;margin-bottom:-6px}
@media(min-width:700px){.it h2 .sp{width:76px;height:76px}}
.coll-hd{display:flex;gap:12px;align-items:center}.coll-hd img{width:108px;height:108px;flex:none}

.bnr{margin:10px 0 0;text-align:center}.bnr a{display:block;background:var(--hl);border:1px solid #EBD9B4;border-radius:12px;padding:10px 14px;font-size:14px;text-decoration:none;color:var(--navy-d)}.bnr a:hover{border-color:var(--amber)}

.cp4{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px}@media(max-width:600px){.cp4{grid-template-columns:1fr}}
.cp4 h3{margin:6px 0 2px;font-size:14px;color:var(--navy-d)}.cp4 ul{margin:0;padding-left:20px;font-size:14.5px}.cp4 p{font-size:15px;margin:0 0 4px}
.kakunin{background:var(--hl);border-left:4px solid var(--amber);border-radius:0 10px 10px 0;padding:8px 12px;margin-top:10px}.kakunin h3{margin:0 0 4px;font-size:14px;color:var(--amber)}.kakunin ul{margin:0;padding-left:20px;font-size:14.5px}
table.hoshin{width:100%;border-collapse:collapse;font-size:14.5px}table.hoshin th,table.hoshin td{border-bottom:1px solid var(--rule);padding:7px 6px;text-align:left;vertical-align:top}table.hoshin th{width:30%;color:var(--sub);font-weight:600}
h2.sec{margin-top:26px}.toc{display:flex;flex-wrap:wrap;gap:6px;padding:0;list-style:none;margin:0 0 6px}.toc li a{display:inline-block;background:#fff;border:1px solid var(--rule);border-radius:99px;padding:4px 12px;font-size:13.5px;text-decoration:none}
.stp{display:flex;align-items:center;gap:8px;font-size:17px;margin:0 0 10px}.stp b{display:inline-grid;place-items:center;min-width:26px;height:26px;border-radius:50%;background:var(--navy);color:#fff;font-size:13px}
.cpbox{background:#fff;border:1px solid var(--rule);border-radius:16px;padding:16px;margin-top:12px}
.stp{white-space:nowrap}
.pick{display:flex;flex-wrap:wrap;gap:8px}.pick button{font-size:15px;padding:9px 14px;font-weight:600}.pick button.sel{background:var(--navy);color:#fff}
.row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.row button{flex:1;min-width:120px}
button{font-family:inherit;font-size:16px;cursor:pointer;border-radius:12px;border:2px solid var(--navy);background:#fff;color:var(--navy-d);padding:12px 16px;font-weight:700}
button.primary{background:var(--navy);color:#fff}button.ghost{border-color:var(--rule);color:var(--sub);font-weight:500}
button.cp.alt{font-size:12px;padding:3px 10px;border-radius:8px;border-color:var(--rule);color:var(--sub);font-weight:500;margin:2px 0 6px}
textarea{width:100%;min-height:220px;font-family:ui-monospace,Consolas,monospace;font-size:13px;line-height:1.6;border:1px solid var(--rule);border-radius:10px;padding:10px;background:var(--soft);color:var(--ink)}
.bx{background:var(--hl);border:1px solid var(--amber);border-radius:12px;padding:12px 14px;margin-top:12px;font-size:14.5px}.bx .bt{font-weight:700;color:var(--amber);margin-bottom:4px}.bx ul{margin:0;padding-left:20px}
.cp-cta{margin-top:12px}
.nerai{font-size:14px;color:var(--navy-d);background:var(--soft);border-radius:8px;padding:6px 10px;margin:0 0 8px}.nerai b{display:inline-block;background:var(--navy);color:#fff;font-size:11.5px;border-radius:99px;padding:1px 8px;margin-right:6px;vertical-align:1px}

.bq h3{margin:0 0 6px;font-size:16.5px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.bq h3 img{border-radius:8px}.bq h3 a{text-decoration:none;color:var(--navy-d)}.bq h3 a:hover{text-decoration:underline}.bq h3 small{font-weight:500;color:var(--sub);font-size:12.5px}
.bq blockquote{margin:6px 0 2px}.cpy{font-size:12px;padding:3px 10px;border-radius:8px;border:1px solid var(--rule);background:#fff;color:var(--sub);font-weight:500;cursor:pointer;margin:0 0 10px;font-family:inherit}.cpy:hover{color:var(--navy-d);border-color:var(--navy)}
.coll-toc{display:flex;flex-wrap:wrap;gap:6px;padding:0;list-style:none;margin:8px 0 14px}.coll-toc li a{display:inline-block;background:#fff;border:1px solid var(--rule);border-radius:99px;padding:4px 12px;font-size:13px;text-decoration:none}