/* 入口・運営者情報・プライバシーポリシー・お問い合わせ（サイト共通のページ） */
:root { --bg: #f2f0ea; --ink: #16181d; --ink-2: #4f5561; --card: #fbfaf6; --line: #d3d0c6; --accent: #8a3b22; --rail: #0a0c0f; color-scheme: light; }
@media (prefers-color-scheme: dark) { :root { --bg: #111317; --ink: #eceef1; --ink-2: #a3a9b3; --card: #1b1e24; --line: #2e333b; --accent: #e08a5a; color-scheme: dark; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: "BIZ UDPGothic", "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif; line-height: 1.8; }
a { color: var(--accent); }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }
.site-hd { border-bottom: 1px solid var(--line); background: var(--card); }
.site-hd .wrap { display: flex; align-items: center; gap: 16px; padding-top: 10px; padding-bottom: 10px; flex-wrap: wrap; }
.site-hd .logo { font-weight: 700; letter-spacing: .12em; text-decoration: none; color: var(--ink); font-size: 17px; }
.site-hd nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13.5px; }
.site-hd nav a { color: var(--ink-2); text-decoration: none; }
.site-hd nav a:hover { color: var(--accent); }
main.wrap { padding-top: 34px; padding-bottom: 40px; }
h1 { font-size: clamp(24px, 5vw, 34px); letter-spacing: .12em; margin: 0 0 8px; line-height: 1.35; }
h2 { font-size: 20px; letter-spacing: .08em; margin: 36px 0 10px; padding-left: 10px; border-left: 5px solid var(--accent); }
h3 { font-size: 16px; margin: 22px 0 6px; }
p.lead { color: var(--ink-2); margin: 0 0 24px; font-size: 15px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
a.card { display: block; text-decoration: none; color: inherit; background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
a.card:hover { border-color: var(--ink-2); }
.card .top { height: 150px; overflow: hidden; line-height: 0; }
.card .top svg { width: 100%; height: 100%; display: block; }
.card.history .top { background: linear-gradient(135deg, #3f2a1a, #8a3b22); color: #f3e2c0; font-family: serif; }
.card.rail .top { background: #0a0c0f; color: #ffab1a; text-shadow: 0 0 10px rgba(255, 171, 26, .6); font-family: monospace; }
.card .body { padding: 14px 16px 18px; }
.card .body b { font-size: 19px; letter-spacing: .08em; }
.card .body p { margin: 6px 0 0; color: var(--ink-2); font-size: 13.5px; line-height: 1.7; }
.list { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 10px 18px; padding: 0; list-style: none; margin: 0; }
.list li { border-bottom: 1px dashed var(--line); padding: 6px 0; }
.list li a { font-weight: 700; text-decoration: none; }
.list li small { display: block; color: var(--ink-2); font-size: 12.5px; line-height: 1.6; }
.box { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px 18px; }
table.info { border-collapse: collapse; width: 100%; background: var(--card); }
table.info th, table.info td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; vertical-align: top; }
table.info th { width: 30%; background: color-mix(in srgb, var(--line) 40%, var(--card)); font-weight: 700; }
.btn { display: inline-block; background: var(--accent); color: #fff; text-decoration: none; padding: 10px 22px; border-radius: 6px; font-weight: 700; }
.site-ft { border-top: 1px solid var(--line); padding: 20px 0 36px; color: var(--ink-2); font-size: 12.5px; }
.site-ft nav { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 6px; }
.site-ft a { color: var(--ink-2); }