:root{--paper:#f4f1e8;--ink:#1c2a44;--blue:#2a4a7f;--teal:#1f7a6b;--mut:#5b6472;--dim:#8b9099;--line:#d8d2c2;--card:#fffdf7}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Zen Kaku Gothic New",system-ui,sans-serif;font-size:16.5px;line-height:1.9}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}

.top{border-bottom:2px solid var(--ink)}
.top .wrap{display:flex;align-items:center;gap:16px;padding:14px 0}
.brand{display:flex;align-items:center;gap:9px}
.brand img{width:32px;height:32px}
.brand b{font-family:Georgia,serif;font-size:22px;letter-spacing:.02em}
.brand span{font-size:9.5px;letter-spacing:.22em;color:var(--dim);display:block}
.nav{margin-left:auto;display:flex;gap:0;flex-wrap:wrap}
.nav a{font-size:12px;padding:5px 12px;border-left:1px solid var(--line);color:var(--mut)}
.nav a.on{color:var(--ink);font-weight:700}
.go{background:var(--ink);color:#fff;font-size:11.5px;padding:8px 14px}

.hero{display:grid;grid-template-columns:250px 1fr 380px;gap:26px;padding:26px 0 18px;align-items:start}
.tags{border-right:1px solid var(--line);padding-right:16px}
.tags h2{font-size:9.5px;letter-spacing:.2em;color:var(--dim);margin:0 0 8px;font-weight:500}
.tags a{display:flex;justify-content:space-between;font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--mut);padding:3px 0;border-bottom:1px dotted var(--line)}
.tags a b{color:var(--ink);font-weight:400}
.tags a em{font-style:normal;color:var(--dim);font-size:10.5px}
.copy .lb{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.28em;color:var(--teal);margin:0 0 10px}
h1{font-family:Georgia,"Noto Serif JP",serif;font-size:clamp(26px,3.2vw,40px);line-height:1.45;margin:0 0 12px}
.copy p{color:var(--mut);font-size:14.4px;margin:0 0 11px}
.copy .acts{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.b{background:var(--teal);color:#fff;font-size:12.5px;padding:10px 18px}
.b.o{background:transparent;border:1px solid var(--ink);color:var(--ink)}
.shot{border:1px solid var(--line);background:#fff;padding:5px}
.shot img{width:100%;height:auto}
.shot figcaption{font-family:"IBM Plex Mono",monospace;font-size:9.5px;color:var(--dim);padding:5px 2px 0;line-height:1.6}

.partners{border-top:1px solid var(--ink);border-bottom:1px solid var(--line);padding:11px 0 13px}
.partners h2{font-family:"IBM Plex Mono",monospace;font-size:9px;letter-spacing:.24em;color:var(--dim);margin:0 0 8px;font-weight:500}
.pw{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.pw a{height:78px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden}
.pw img{width:100%;height:100%;object-fit:contain;padding:4px}

section{padding:26px 0 4px}
.sh{display:flex;align-items:baseline;gap:10px;border-bottom:1px solid var(--ink);padding-bottom:6px;margin-bottom:13px}
.sh i{font-style:normal;font-family:"IBM Plex Mono",monospace;font-size:9.5px;color:var(--teal)}
.sh h2{font-family:Georgia,"Noto Serif JP",serif;font-size:19px;margin:0}
.sh span{margin-left:auto;font-family:"IBM Plex Mono",monospace;font-size:10px;color:var(--dim)}
.deck{display:grid;grid-template-columns:1fr 1fr;gap:0 34px}
.deck a{display:grid;grid-template-columns:110px 1fr;gap:10px;padding:9px 0;border-bottom:1px dotted var(--line)}
.deck b{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--blue);font-weight:400}
.deck p{margin:0;font-size:13.4px;color:var(--mut)}
.note{border-left:2px solid var(--teal);padding:4px 0 4px 12px;font-size:12.6px;color:var(--mut);margin-top:13px}

.ph{padding:26px 0 13px;border-bottom:1px solid var(--ink)}
.ph .lb{font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.22em;color:var(--teal);margin:0 0 7px}
.ph h1{font-size:clamp(24px,3vw,34px);margin:0 0 7px}
.ph p{color:var(--mut);font-size:13.4px;max-width:650px;margin:0}
article.body{padding:20px 0 28px;max-width:750px}
.body h2{font-family:Georgia,"Noto Serif JP",serif;font-size:19px;margin:24px 0 6px;display:grid;grid-template-columns:30px 1fr;gap:8px;align-items:baseline}
.body h2 i{font-style:normal;font-family:"IBM Plex Mono",monospace;font-size:9.5px;color:var(--teal)}
.body p{color:var(--mut);font-size:14px;margin:0 0 10px}
.body code{font-family:"IBM Plex Mono",monospace;font-size:12.5px;background:#fff;border:1px solid var(--line);padding:1px 5px}
.pull{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:9px 0;margin:15px 0;font-family:Georgia,serif;font-size:16.5px}
table.q{width:100%;border-collapse:collapse;font-size:12.8px;font-family:"IBM Plex Mono",monospace}
table.q td{border-bottom:1px dotted var(--line);padding:7px 5px;color:var(--mut)}
table.q td:first-child{width:190px;color:var(--ink)}
details{background:var(--card);border:1px solid var(--line);margin-bottom:6px}
summary{cursor:pointer;list-style:none;padding:10px 13px;font-size:13.6px;font-weight:700;display:flex;gap:8px}
summary:before{content:"Q";font-family:"IBM Plex Mono",monospace;color:var(--teal);font-size:9.5px;padding-top:3px}
summary:after{content:"+";margin-left:auto;color:var(--teal)}
details[open] summary:after{content:"−"}
details p{margin:0;padding:0 13px 11px 31px;font-size:12.6px;color:var(--mut)}
dl{margin:0}
dt{font-size:14px;font-weight:700;margin-top:15px}
dd{margin:3px 0 0;color:var(--mut);font-size:12.6px;padding-bottom:9px;border-bottom:1px dotted var(--line)}
footer{border-top:2px solid var(--ink);margin-top:32px;padding:14px 0 24px;font-family:"IBM Plex Mono",monospace;font-size:10px;color:var(--dim)}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:18px}
footer b{display:block;color:var(--ink);font-size:11px;margin-bottom:3px}
footer p{margin:0;line-height:1.8}
@media(max-width:960px){
 .wrap{width:calc(100% - 24px)}
 .hero{grid-template-columns:1fr}
 .tags{border-right:0;border-bottom:1px solid var(--line);padding:0 0 10px;display:none}
 .nav{display:none}
 .deck{grid-template-columns:1fr}
 .pw{grid-template-columns:repeat(3,1fr)}
 footer .wrap{grid-template-columns:1fr}
}