/* ============================================================
   Phasera — content pages (text-first, SEO-oriented, no WebGL)
   shares the dark editorial tokens of at.css
   ============================================================ */
:root {
  --bg: #04060c;
  --bg-2: #0b1e3f;
  --ink: #eaf1fb;
  --dim: #aebfd9; /* body copy — lifted for readability on the dark field */
  --dim-2: #6d80a3;
  --accent: #6fa8ff;
  --accent-2: #3c66d9;
  --accent-3: #9cc4ff;
  --line: rgba(140, 170, 220, 0.14);
  --pill-bg: rgba(10, 18, 34, 0.66);
  --pill-line: rgba(150, 180, 230, 0.16);
  --font-en: 'Space Grotesk', 'Inter', -apple-system, 'Helvetica Neue', sans-serif;
  --font-jp: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --font-mono: 'Space Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --serif: 'Shippori Mincho', 'Hiragino Mincho ProN', serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--font-jp); line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(ellipse 90% 60% at 50% -10%, rgba(30, 51, 88, 0.4), transparent 60%);
  background-attachment: fixed;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
::selection { background: rgba(111, 168, 255, 0.35); color: #fff; }
.wrap { width: min(880px, 90vw); margin: 0 auto; }
.wrap-wide { width: min(1120px, 92vw); margin: 0 auto; }
em { font-style: normal; color: var(--accent-3); }
strong { color: var(--ink); }
h1, h2, h3 { word-break: auto-phrase; }
.nb { display: inline-block; }

/* ---- top bar ---- */
.pbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(16px, 4vw, 40px);
  background: rgba(4, 6, 12, 0.8); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.pbar .brand { display: flex; align-items: center; gap: 9px; }
.pbar .brand img { width: 20px; height: 20px; }
.pbar .brand b { font-family: var(--font-en); font-weight: 700; font-size: 12px; letter-spacing: 0.3em; }
.pbar nav { display: flex; align-items: center; gap: 6px; }
.pbar nav a { font-size: 12px; color: var(--dim); padding: 8px 12px; border-radius: 999px; transition: color .2s, background .2s; }
.pbar nav a:hover { color: var(--ink); background: rgba(140, 175, 235, 0.09); }
.pbar .cta { background: var(--ink); color: #0a1526; font-weight: 700; font-size: 12px; padding: 9px 16px; border-radius: 999px; }
.pbar .cta:hover { background: var(--accent-3); }
@media (max-width: 640px) { .pbar nav a:not(.cta) { display: none; } }

/* ---- breadcrumb ---- */
.crumb { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; color: var(--dim-2); padding: 26px 0 0; }
.crumb a { color: var(--dim); }
.crumb a:hover { color: var(--accent-3); }
.crumb span { margin: 0 8px; }

/* ---- page hero ---- */
.phero { padding: 5vh 0 6vh; border-bottom: 1px solid var(--line); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--accent-3); }
.eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--accent-2); }
.phero h1 { font-size: clamp(28px, 5vw, 50px); font-weight: 700; line-height: 1.32; letter-spacing: 0.01em; margin: 16px 0 14px; }
.phero h1 em { font-family: var(--serif); font-weight: 600; }
.phero .lede { color: var(--dim); font-size: clamp(15px, 1.8vw, 17px); max-width: 46em; }
.phero .meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.phero .meta span { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; color: var(--dim);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 13px; }
.phero .meta .accent { color: var(--accent-3); border-color: rgba(156, 196, 255, 0.35); }

/* ---- prose ---- */
.prose { padding: 6vh 0; }
.prose section { padding: 3vh 0; border-top: 1px solid var(--line); }
.prose section:first-child { border-top: none; }
.prose h2 { font-size: clamp(21px, 2.6vw, 30px); font-weight: 700; line-height: 1.5; margin-bottom: 8px; }
.prose h2 em { font-family: var(--serif); font-weight: 600; }
.prose h3 { font-size: 17px; font-weight: 700; margin: 22px 0 8px; }
.prose p { color: var(--dim); font-size: 15px; margin: 12px 0; }
.prose p strong { color: var(--ink); }
.prose .lead { font-size: 16px; color: var(--ink); }
.prose ul.bullets li { position: relative; padding: 8px 0 8px 22px; color: var(--dim); font-size: 14.5px; border-top: 1px solid var(--line); }
.prose ul.bullets li:first-child { border-top: none; }
.prose ul.bullets li::before { content: ''; position: absolute; left: 4px; top: 17px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent-2); }
.prose ul.bullets li b { color: var(--ink); }

/* usecase cards */
.uc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 22px 0; }
.uc { border: 1px solid var(--line); border-radius: 12px; padding: 22px; background: rgba(7, 12, 24, 0.6); }
.uc h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.uc p { font-size: 13px; color: var(--dim); margin: 6px 0 10px; }
.uc .tools { display: flex; flex-wrap: wrap; gap: 6px; }
.uc .tools span { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.06em; color: var(--accent-3);
  border: 1px solid rgba(156, 196, 255, 0.25); border-radius: 999px; padding: 3px 9px; }
.uc .out { font-family: var(--font-mono); font-size: 10px; color: var(--dim-2); margin-top: 8px; }
@media (max-width: 700px) { .uc-grid { grid-template-columns: 1fr; } }

/* price ladder mini */
.ladder { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 20px 0; }
.ladder .tier { border: 1px solid var(--line); border-radius: 12px; padding: 20px; background: rgba(7, 12, 24, 0.6); }
.ladder .tier .t { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; color: var(--accent-2); }
.ladder .tier h4 { font-size: 15px; margin: 6px 0; }
.ladder .tier .price { font-family: var(--font-en); font-weight: 700; font-size: 18px; color: var(--accent-3); }
.ladder .tier p { font-size: 12px; color: var(--dim); margin-top: 6px; }
@media (max-width: 700px) { .ladder { grid-template-columns: 1fr; } }

/* case list */
.case-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin: 24px 0; }
.case-list a, .case-list .ph { display: grid; grid-template-columns: 120px 1fr auto; gap: 18px; align-items: baseline;
  padding: 20px 22px; background: rgba(7, 12, 24, 0.66); transition: background .2s; }
.case-list a:hover { background: rgba(12, 22, 44, 0.8); }
.case-list .c-tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; color: var(--accent-2); }
.case-list .c-ttl { font-size: 15px; color: var(--ink); }
.case-list .c-ttl small { display: block; color: var(--dim); font-size: 12px; margin-top: 3px; }
.case-list .arr { color: var(--accent-2); }
.case-list .ph .c-ttl { color: var(--dim); }

/* portrait / profile */
.profile { display: grid; grid-template-columns: 260px 1fr; gap: 34px; align-items: start; margin: 24px 0; }
.profile .pf-photo { width: 100%; height: auto; aspect-ratio: 1 / 1.06; object-fit: cover; object-position: 50% 28%; border-radius: 14px; border: 1px solid var(--line); opacity: 0.86; filter: saturate(0.55) contrast(1.06) brightness(0.92); }
.profile .photo-ph { aspect-ratio: 4/5; border-radius: 14px; border: 1px solid var(--line);
  display: grid; place-items: center; text-align: center; padding: 16px;
  background: linear-gradient(160deg, #0a1730, #060c1a); color: var(--dim-2);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em; }
@media (max-width: 680px) { .profile { grid-template-columns: 1fr; } .profile .photo-ph, .profile .pf-photo { max-width: 240px; } }

/* callout / todo */
.callout { border: 1px dashed rgba(156, 196, 255, 0.3); border-radius: 12px; padding: 16px 18px; margin: 18px 0;
  font-size: 13px; color: var(--dim); background: rgba(60, 102, 217, 0.05); }
.callout b { color: var(--accent-3); }

/* CTA band */
.cta-band { margin: 6vh 0; padding: clamp(28px, 4vw, 48px); border: 1px solid var(--line); border-radius: 16px;
  background: rgba(7, 12, 24, 0.7); text-align: center; }
.cta-band h2 { font-size: clamp(20px, 3vw, 28px); font-weight: 700; }
.cta-band h2 em { font-family: var(--serif); font-weight: 600; }
.cta-band p { color: var(--dim); font-size: 14px; margin: 10px 0 20px; }
.cta-band .btn { display: inline-flex; align-items: center; gap: 10px; background: var(--ink); color: #0a1526;
  font-weight: 700; font-size: 14px; padding: 15px 28px; border-radius: 999px; transition: background .2s, transform .2s; }
.cta-band .btn:hover { background: var(--accent-3); transform: scale(1.02); }
.cta-band .re { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 18px; }
.cta-band .re span { font-family: var(--font-mono); font-size: 10px; color: var(--dim); border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; }

/* footer */
.pfoot { border-top: 1px solid var(--line); padding: 40px 0 34px; margin-top: 4vh; }
.pfoot .row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center; }
.pfoot .fb { display: flex; align-items: center; gap: 9px; }
.pfoot .fb img { width: 18px; }
.pfoot .fb b { font-family: var(--font-en); letter-spacing: 0.3em; font-size: 12px; }
.pfoot .links { display: flex; flex-wrap: wrap; gap: 16px; font-size: 12px; color: var(--dim); }
.pfoot .links a:hover { color: var(--accent-3); }
.pfoot .cprt { font-family: var(--font-mono); font-size: 10px; color: var(--dim-2); margin-top: 18px; }

/* ---------- article prose extras (build-articles.mjs の markdown 出力用) ---------- */
.prose ol { counter-reset: li; margin: 12px 0; }
.prose ol li { position: relative; padding: 8px 0 8px 30px; color: var(--dim); font-size: 14.5px; border-top: 1px solid var(--line); counter-increment: li; }
.prose ol li:first-child { border-top: none; }
.prose ol li::before { content: counter(li, decimal-leading-zero); position: absolute; left: 0; top: 9px; font-family: var(--font-mono); font-size: 10px; color: var(--accent-2); }
.prose blockquote { border-left: 2px solid var(--accent-2); padding: 6px 0 6px 20px; margin: 20px 0; }
.prose blockquote p { color: var(--ink); font-size: 15px; line-height: 2; margin: 0; }
.prose pre { background: rgba(7, 12, 24, 0.72); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin: 16px 0; overflow-x: auto; }
.prose pre code { font-family: var(--font-mono); font-size: 12.5px; color: var(--accent-3); background: none; padding: 0; }
.prose code { font-family: var(--font-mono); font-size: 0.9em; color: var(--accent-3); background: rgba(108, 156, 255, 0.08); border-radius: 4px; padding: 2px 6px; }
.prose table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 13.5px; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; color: var(--dim); }
.prose th { color: var(--ink); font-weight: 700; background: rgba(7, 12, 24, 0.5); }
.prose img { max-width: 100%; border-radius: 10px; border: 1px solid var(--line); margin: 8px 0; }
.prose a { color: var(--accent-3); text-decoration: underline; text-underline-offset: 3px; }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 28px 0; }
.byline { font-family: var(--font-mono); font-size: 11px; color: var(--dim-2); letter-spacing: 0.08em; margin: 10px 0 40px; }
.byline a { color: var(--accent-3); }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }