/* cmds.n-n.tokyo — one stylesheet, no build step. Dark theme after the app icon (graphite + orange ring). */
:root {
  --bg: #111317;
  --bg-2: #171a1f;
  --panel: #1d2026;
  --line: #2b2f37;
  --text: #e9ebef;
  --muted: #a3a9b4;
  --accent: #ff8a3d;
  --accent-2: #ffb36b;
  --link: #ffb36b;
  --radius: 14px;
  --max: 1120px;
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 76px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.75 -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Segoe UI",
    "Noto Sans JP", Meiryo, sans-serif;
  text-rendering: optimizeLegibility;
}
:lang(en) body, body:lang(en) { line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { color: #fff; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
code, kbd, pre { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .9em; }
code { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: .05em .4em; }
kbd { background: var(--panel); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; padding: .05em .45em; white-space: nowrap; }
pre { background: #0b0c0f; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; overflow-x: auto; line-height: 1.55; }
pre code { background: none; border: 0; padding: 0; }

.skip { position: absolute; left: -9999px; top: 0; }
.skip:focus { left: 12px; top: 12px; z-index: 10; background: var(--accent); color: #111; padding: 8px 12px; border-radius: 8px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(17, 19, 23, .88); backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 18px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.15rem; letter-spacing: .01em; }
.brand img { width: 32px; height: 32px; }
.site-nav { margin-left: auto; display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: .92rem; }
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); }
.lang { border: 1px solid var(--line); border-radius: 999px; padding: 2px 12px; }
@media (max-width: 760px) {
  html { scroll-padding-top: 112px; }
  .site-header .wrap { flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; gap: 6px 14px; }
  .site-nav { margin-left: 0; width: 100%; gap: 2px 14px; font-size: .88rem; }
  .site-nav .opt { display: none; }
}

/* Hero */
.hero { padding: 72px 0 40px; text-align: center; background: radial-gradient(60% 50% at 50% 0%, rgba(255, 138, 61, .16), transparent 70%); }
.hero-icon { width: 112px; height: 112px; margin: 0 auto 18px; }
.hero h1 { font-size: clamp(2rem, 4.6vw, 3.3rem); line-height: 1.25; margin: 0 0 16px; letter-spacing: -.01em; }
.hero h1 .accent { color: var(--accent); }
.lead { font-size: clamp(1.02rem, 1.8vw, 1.2rem); color: var(--muted); max-width: 760px; margin: 0 auto 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 14px; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 12px 22px; border-radius: 12px; font-weight: 700; text-decoration: none; border: 1px solid var(--line); color: var(--text); background: var(--panel); }
.btn:hover { color: #fff; border-color: #444b57; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #17110b; }
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); color: #17110b; }
.btn small { font-weight: 500; opacity: .8; }
.note { color: var(--muted); font-size: .88rem; margin: 6px 0 0; }
.shot { margin: 44px auto 0; max-width: 1200px; padding: 0 20px; }
.shot img, figure img { border-radius: 12px; box-shadow: 0 30px 80px rgba(0, 0, 0, .55), 0 0 0 1px rgba(255, 255, 255, .06); }

/* Sections */
section { padding: 72px 0; border-top: 1px solid var(--line); }
section:nth-of-type(even) { background: var(--bg-2); }
h2 { font-size: clamp(1.55rem, 3vw, 2.15rem); line-height: 1.3; margin: 0 0 12px; }
h2 + .lead { margin-left: 0; text-align: left; }
h3 { font-size: 1.12rem; margin: 0 0 6px; }
.eyebrow { color: var(--accent); font-weight: 700; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 6px; }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); margin-top: 28px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 20px 16px; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.card h3::before { content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); margin-right: 9px; vertical-align: .12em; }

.split { display: grid; gap: 36px; grid-template-columns: 1fr 1fr; align-items: center; margin-top: 30px; }
.split.rev > :first-child { order: 2; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } .split.rev > :first-child { order: 0; } }
.split ul, .checks { padding-left: 1.2em; margin: 10px 0 0; }
.split li, .checks li { margin: 4px 0; }
figure { margin: 0; }
figcaption { color: var(--muted); font-size: .88rem; margin-top: 10px; text-align: center; }

.phones { display: flex; gap: 18px; justify-content: center; }
.phones figure { flex: 0 1 260px; }
.phones img { border-radius: 26px; }

.gallery { display: grid; gap: 26px; grid-template-columns: 1fr 1fr; margin-top: 30px; }
@media (max-width: 860px) { .gallery { grid-template-columns: 1fr; } }

.req { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); margin-top: 22px; }
.req div { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.req b { display: block; }
.req span { color: var(--muted); font-size: .92rem; }

.download-box { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin-top: 24px; }
.download-box dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 18px 0 0; font-size: .93rem; }
.download-box dt { color: var(--muted); }
.download-box dd { margin: 0; overflow-wrap: anywhere; }

table { border-collapse: collapse; width: 100%; font-size: .94rem; margin-top: 14px; }
th, td { border-bottom: 1px solid var(--line); padding: 9px 10px; text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }

/* Guide */
.toc { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 22px; margin: 26px 0 0; }
.toc ol { margin: 6px 0 0; padding-left: 1.3em; columns: 2 260px; }
.step { padding: 56px 0; }
.step h2 { display: flex; align-items: baseline; gap: 12px; }
.step-num { display: inline-grid; place-items: center; min-width: 2.1rem; height: 2.1rem; border-radius: 50%; background: var(--accent); color: #17110b; font-size: 1.05rem; font-weight: 800; flex: none; transform: translateY(-2px); }
.step ol, .step ul { padding-left: 1.3em; }
.step li { margin: 6px 0; }
.narrow { max-width: 820px; }
.prose h2 { margin-top: 40px; font-size: 1.4rem; }
.prose h2:first-of-type { margin-top: 10px; }
.prose ul { padding-left: 1.3em; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0 56px; color: var(--muted); font-size: .9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 14px 32px; justify-content: space-between; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }
.sidebar-shot { max-height: 560px; width: auto; margin: 0 auto; }
p code, li code, td code, dd code { overflow-wrap: anywhere; }
@media (max-width: 480px) { .btn { flex-direction: column; gap: 0; text-align: center; } }