:root{--paper:#f3efe6;--paper2:#ebe5d8;--ink:#16140f;--body:#3a352c;--mute:#6b665c;--mute2:#7a7264;--label:#9b9385;--label2:#a59f90;--line:#e2dccf;--line-d:#38342a;--line-d2:#38352c;--accent:#e8551f;--accent-d:#c43d10;--card-d:#221f17;--white:#fff}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;font-family:Noto Sans JP,system-ui,sans-serif;line-height:1.8;overflow-x:hidden}.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(20px,4vw,56px)}.serif{font-family:Zen Old Mincho,serif}.mono{font-family:IBM Plex Mono,monospace}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}summary::-webkit-details-marker{display:none}.eyebrow{letter-spacing:.14em;color:var(--accent);font-family:IBM Plex 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var(--line-d);background:var(--card-d);width:100%;color:var(--paper);margin-bottom:22px;padding:13px 14px;font-family:Noto Sans JP,sans-serif;font-size:14px}.form textarea{resize:vertical;min-height:120px}.form input::placeholder,.form textarea::placeholder{color:#a99e8c}.form :focus{border-color:var(--accent);outline:none}.form button{background:var(--accent);color:#fff;cursor:pointer;border:none;width:100%;padding:16px;font-size:14px;font-weight:700}.form button:hover{background:var(--accent-d)}.form .status{color:#f0a060;min-height:1px;margin-top:14px;font-size:13px;font-weight:700}.form .note{color:#7a7568;margin:18px 0 0;font-size:12px;line-height:1.7}.breadcrumb{color:var(--mute);padding:18px 0;font-size:12.5px}.breadcrumb a:hover{color:var(--ink)}.breadcrumb span{color:var(--line)}.article{max-width:760px}.article .meta{color:var(--mute);align-items:center;gap:16px;margin-bottom:14px;font-size:13px;display:flex}.article .cat{border:1px solid var(--line);padding:3px 10px;font-size:11px;display:inline-block}.article h1{color:var(--ink);font-size:clamp(26px,3.6vw,38px);line-height:1.4}.taglist{flex-wrap:wrap;gap:8px;margin-top:18px;display:flex}.taglist span{background:var(--paper2);border:1px solid var(--line);color:var(--ink);padding:7px 14px;font-size:12.5px;font-weight:500}.dark .taglist span{background:var(--card-d);border-color:var(--line-d);color:#cfcabd}.timeline .th{color:var(--accent);letter-spacing:.04em;font-family:IBM Plex Mono,monospace}.persona{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:clamp(16px,3vw,22px);margin-top:8px;display:grid}.persona .p{border-left:3px solid var(--accent);background:#fff;padding:22px 24px}.dark .persona .p{background:var(--card-d);border-color:var(--accent)}.persona .p h3{margin-bottom:8px;font-size:16.5px;font-weight:700}.persona .p p{color:var(--mute);font-size:13.5px}.dark .persona .p p{color:var(--label)}@media (width<=820px){.menu,.nav-cta{display:none!important}.burger{display:block!important}}