:root{--a:#16a34a;--a2:#dcfce7;--ink:#1f2937;--mut:#6b7280;--bg:#f8faf9;--r:16px}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,"Noto Sans JP","Noto Sans CJK JP","Hiragino Sans",sans-serif;color:var(--ink);background:var(--bg);line-height:1.8}
a{color:var(--a)}img{max-width:100%}.w{max-width:1080px;margin:0 auto;padding:0 20px}
.pr-bar{background:var(--ink);color:#fff;font-size:12px;text-align:center;padding:6px}
header{background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:9}
header .w{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{text-decoration:none;display:flex;gap:6px;align-items:center;flex-shrink:0;line-height:0}.logo img{display:block;width:auto}.logo-mark{height:36px}.logo-word{height:34px}
nav a{margin-left:18px;text-decoration:none;color:var(--ink);font-size:14px}@media(max-width:640px){nav{display:none}}
.hero{padding:56px 0;background:linear-gradient(135deg,#fff,var(--a2))}.hero .w{display:grid;gap:32px;align-items:center}
@media(min-width:860px){.hero .w{grid-template-columns:.9fr 1.1fr}}
.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.35;margin:0 0 16px}.hero p{color:var(--mut)}
.btn{display:inline-block;background:var(--a);color:#fff;padding:14px 26px;border-radius:999px;text-decoration:none;font-weight:700}
.btn.o{background:#fff;color:var(--a);border:2px solid var(--a)}
section{padding:56px 0}h2{font-size:26px;text-align:center;margin:0 0 32px}
.grid{display:grid;gap:20px}@media(min-width:720px){.grid{grid-template-columns:repeat(3,1fr)}}
.card{background:#fff;border-radius:var(--r);padding:26px;box-shadow:0 4px 20px rgba(0,0,0,.05)}
.ic{width:52px;height:52px;border-radius:14px;background:var(--a2);display:grid;place-items:center;margin-bottom:12px}
.card h3{margin:0 0 8px}.card p{color:var(--mut);font-size:15px;margin:0 0 14px}
.code{background:var(--bg);border:1px dashed var(--a);border-radius:10px;padding:8px 12px;font-size:14px;margin-bottom:14px}
.note{font-size:12px;color:var(--mut)}
.posts a{display:flex;gap:16px;text-decoration:none;color:var(--ink);background:#fff;border-radius:var(--r);padding:18px;margin-bottom:14px;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.tag{font-size:12px;background:var(--a2);color:var(--a);border-radius:999px;padding:2px 10px;white-space:nowrap;height:fit-content}
.cta{background:var(--a);color:#fff;border-radius:24px;text-align:center;padding:44px 24px}.cta .btn{background:#fff;color:var(--a)}
footer{background:#111827;color:#d1d5db;padding:36px 0;font-size:14px}footer a{color:#fff;margin-right:16px}
article{background:#fff;border-radius:var(--r);padding:28px;margin:32px auto;max-width:760px}article h1{line-height:1.4}article h2{text-align:left;font-size:22px;border-left:5px solid var(--a);padding-left:12px;margin-top:40px}
.toc{background:var(--bg);border-radius:12px;padding:16px 24px}.box{background:var(--a2);border-radius:12px;padding:16px 20px}
.site-head{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.site-head h3{margin:0}
.site-logo{width:56px;height:56px;border-radius:14px;object-fit:cover;border:1px solid #e5e7eb;background:#fff;flex-shrink:0;box-shadow:0 1px 3px rgba(0,0,0,.08)}
/* v2 pop line-art theme */
:root{--ink:#111;--mut:#4b4b4b;--bg:#f3efe6;--line:#111}
body{background:var(--bg);color:var(--ink)}
header{background:var(--bg);border-bottom:2px solid var(--line)}
.pr-bar{background:#111}
.hero{background:var(--bg);padding:40px 0 56px}.hero p{color:var(--mut)}
.hl{color:var(--a)}
.hero h1{font-size:clamp(34px,7vw,60px);letter-spacing:.02em}
.ill{display:block;width:100%;height:auto;border:2px solid var(--line);border-radius:20px;background:#fafafa}
.btn{border:2px solid var(--line);box-shadow:3px 3px 0 var(--line);margin:4px 0}
.btn.o{background:#fff;color:var(--ink);border-color:var(--line)}
.en{font-weight:900;font-size:clamp(40px,9vw,72px);letter-spacing:.04em;line-height:1;margin:0 0 8px;color:var(--ink)}
.narrow{max-width:760px}.intro{text-align:center}.intro h2,.series h2{margin-bottom:16px}
.feat .row{display:grid;gap:24px;align-items:center;margin-bottom:56px}
.feat h3{font-size:22px;margin:0 0 10px}.feat p{color:var(--mut)}
@media(min-width:760px){.feat .row{grid-template-columns:1fr 1fr;gap:48px}.feat .row.rev img{order:2}.feat .ill{max-width:440px;justify-self:center}}
.series{text-align:center}.series .wide{max-width:820px;margin:0 auto 16px}.lead{max-width:680px;margin:0 auto;color:var(--mut)}
.card{border:2px solid var(--line);box-shadow:4px 4px 0 var(--line)}
.card p{color:var(--mut)}
.posts a{border:2px solid var(--line);box-shadow:none}
.tag{border:1.5px solid var(--a);background:#fff}
.cta{border:2px solid var(--line);box-shadow:6px 6px 0 var(--line)}.cta .btn{color:var(--ink)}
footer{background:#111}
article{border:2px solid var(--line)}
.feat p.en{color:var(--ink)}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
@media(min-width:900px){.pgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.pgrid{grid-template-columns:1fr}}
.pcard{display:flex;flex-direction:column;background:#fff;border:2px solid var(--line);border-radius:var(--r);box-shadow:4px 4px 0 var(--line);overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s}
a.pcard:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--line)}
.pc-th{aspect-ratio:16/9;border-bottom:2px solid var(--line);background:#fafafa}.pc-th img{width:100%;height:100%;object-fit:cover;display:block}
.pc-b{padding:16px 18px 20px}.pc-m{display:flex;gap:8px;align-items:center;margin-bottom:8px}.pcard h3{margin:0;font-size:17px;line-height:1.5}
.soon{font-size:12px;background:var(--ink);color:#fff;border-radius:999px;padding:2px 10px}
.is-soon .pc-th img{opacity:.75}
.eyecatch{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border:2px solid var(--line);border-radius:12px;margin-bottom:16px}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.4em;padding:0;margin:0 0 16px;font-size:13px;color:#6b7280}.crumb li+li:before{content:"›";margin-right:.4em}
.meta{font-size:13px;color:#6b7280}.summary{background:#ecfdf5;border:2px solid #16a34a;border-radius:12px;padding:16px 20px;margin:20px 0}.summary ul{margin:8px 0 0;padding-left:1.2em}
.faq h3{font-size:17px;margin:20px 0 6px}.author{display:flex;gap:16px;align-items:center;border:2px solid #111;border-radius:14px;padding:16px;margin:32px 0;background:#fff}.author img{width:96px;height:96px;border-radius:50%;object-fit:cover;flex:none}.author p{margin:4px 0}.author-label{font-size:12px;color:#6b7280}
.related{margin:24px 0}.related ul{padding-left:1.2em}.nf{text-align:center}.nf img{width:240px;height:auto;border-radius:16px}

/* ===== Article figures ===== */
.figure{margin:32px 0;padding:0;text-align:center}
.figure img,.figure svg{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:14px;border:2px solid #1d1d1d;background:#fff}
.figure.shot img{border:1px solid #cfcfcf;box-shadow:0 4px 14px rgba(0,0,0,.08)}
.figure figcaption{margin-top:10px;font-size:.85rem;color:#555;line-height:1.6;text-align:left}
.figure figcaption .src{display:block;font-size:.78rem;color:#777;word-break:break-all}
.figure .tag{display:inline-block;font-size:.72rem;font-weight:700;background:#e8f7ef;color:#1a7f52;border-radius:999px;padding:1px 8px;margin-right:6px}
.hero .ill{aspect-ratio:16/9;object-fit:cover;max-width:100%}