/* zomg.tokyo ユーザーガイド 共通スタイル */
:root {
  --fg:#1f2933; --muted:#62707d; --bg:#f7f8fa; --card:#fff;
  --accent:#1f6feb; --accent-d:#1550b3; --line:#e3e8ee;
  --warn-bg:#fff8e6; --warn-line:#e0b400; --warn-fg:#9a6b00;
  --ok-bg:#e9f7ef; --ok-line:#86cfa3; --ok-fg:#1d7a46;
}
* { box-sizing: border-box; }
body { margin:0; font-family:-apple-system,"Segoe UI","Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif; color:var(--fg); background:var(--bg); line-height:1.7; }
a { color:var(--accent); }

/* header (sticky glass) */
.site-header { position:sticky; top:0; z-index:50; background:rgba(20,32,48,.72); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px); border-bottom:1px solid rgba(255,255,255,.08); }
.head-in { max-width:860px; margin:0 auto; padding:12px 20px; display:flex; align-items:center; justify-content:space-between; gap:12px; }
.brand { font-size:1.15rem; font-weight:700; color:#fff; text-decoration:none; letter-spacing:.02em; white-space:nowrap; }
.brand .dot { color:#5b9bff; }
.head-nav { display:flex; align-items:center; gap:4px; flex-wrap:wrap; justify-content:flex-end; }
.head-nav a { color:#dfe6ef; text-decoration:none; font-size:.9rem; padding:7px 11px; border-radius:8px; transition:background .15s,color .15s; }
.head-nav a:hover { background:rgba(255,255,255,.12); color:#fff; }
.head-nav a.cur { color:#fff; background:rgba(255,255,255,.10); }
.head-nav a.login { background:var(--accent); color:#fff; font-weight:600; }
.head-nav a.login:hover { background:#3b82f6; }

/* layout */
.wrap { max-width:860px; margin:0 auto; padding:30px 20px 56px; }
.breadcrumb { font-size:.86rem; margin-bottom:14px; color:var(--muted); }
.breadcrumb a { color:var(--accent); text-decoration:none; }
.breadcrumb a:hover { text-decoration:underline; }
.page-head h1 { font-size:1.8rem; margin:.1em 0 .15em; }
.page-head p.sub { color:var(--muted); margin:.1em 0 1.2em; font-size:1.02rem; }

h2 { font-size:1.2rem; margin:2em 0 .5em; padding-bottom:.3em; border-bottom:2px solid var(--line); }
h3 { font-size:1.02rem; margin:1.4em 0 .4em; }
.muted { color:var(--muted); }
.small { font-size:.86rem; }

/* TOC cards (hub) */
.lead { color:var(--muted); margin:0 0 4px; }
.cat { font-size:.78rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); margin:2em 0 12px; }
.toc { list-style:none; padding:0; margin:0; display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:14px; }
.toc a { display:flex; gap:14px; align-items:flex-start; text-decoration:none; color:inherit; background:var(--card); border:1px solid var(--line); border-radius:14px; padding:18px 20px; transition:box-shadow .15s, transform .15s, border-color .15s; }
.toc a:hover { box-shadow:0 8px 22px rgba(31,41,51,.10); transform:translateY(-2px); border-color:#c9d4e0; }
.toc .ico { font-size:1.7rem; line-height:1.1; }
.toc h3 { margin:0 0 .2em; font-size:1.06rem; color:var(--accent-d); }
.toc p { margin:0; color:var(--muted); font-size:.9rem; }

/* content cards / tables */
.card { background:var(--card); border:1px solid var(--line); border-radius:12px; padding:14px 18px; margin:14px 0; }
table { width:100%; border-collapse:collapse; margin:.6em 0; font-size:.95rem; }
th, td { text-align:left; padding:9px 10px; border-bottom:1px solid var(--line); vertical-align:top; }
th { width:32%; color:var(--muted); font-weight:600; }
tr:last-child th, tr:last-child td { border-bottom:none; }
code { background:#eef1f5; padding:1px 6px; border-radius:5px; font-size:.92em; }
pre { background:#1f2933; color:#e8edf2; padding:12px 14px; border-radius:8px; overflow:auto; font-size:.88rem; }
pre code { background:none; padding:0; color:inherit; }
ul, ol { padding-left:1.3em; }

/* callouts */
.note { border-radius:10px; padding:12px 16px; margin:16px 0; font-size:.95rem; }
.warn { background:var(--warn-bg); border:1px solid var(--warn-line); color:#5a4a12; }
.warn strong { color:var(--warn-fg); }
.tip  { background:var(--ok-bg); border:1px solid var(--ok-line); color:#16502f; }
.tip strong { color:var(--ok-fg); }
.pill { display:inline-block; background:var(--accent); color:#fff; font-size:.76rem; padding:1px 9px; border-radius:999px; vertical-align:middle; }
.btn { display:inline-block; background:var(--accent); color:#fff; text-decoration:none; padding:10px 20px; border-radius:9px; font-weight:600; }
.btn:hover { background:var(--accent-d); }

/* footer */
.site-footer { background:#1b2531; color:#c3ccd9; margin-top:56px; }
.foot-in { max-width:860px; margin:0 auto; padding:40px 20px 28px; display:flex; flex-wrap:wrap; gap:32px; justify-content:space-between; align-items:flex-start; }
.foot-brand .name { font-size:1.3rem; font-weight:700; color:#fff; }
.foot-brand .name .dot { color:#5b9bff; }
.foot-brand .tag { margin:.4em 0 0; font-size:.85rem; color:#7d8a9b; max-width:24em; }
.foot-nav { display:flex; gap:42px; flex-wrap:wrap; }
.foot-col h4 { margin:0 0 .7em; font-size:.73rem; text-transform:uppercase; letter-spacing:.1em; color:#7d8a9b; }
.foot-col a { display:block; color:#c3ccd9; text-decoration:none; font-size:.91rem; padding:4px 0; transition:color .15s,padding-left .15s; }
.foot-col a:hover { color:#fff; padding-left:4px; }
.foot-bottom { border-top:1px solid #2b384a; }
.foot-bottom-in { max-width:860px; margin:0 auto; padding:15px 20px; font-size:.8rem; color:#7d8a9b; display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; }
.foot-bottom-in a { color:#7d8a9b; text-decoration:none; }
.foot-bottom-in a:hover { color:#c3ccd9; }