:root { --ink: #0f2742; --sub: #47607a; --bg: #eef5fb; --card: #fff; --accent: #0284c7; --accent2: #16a34a; --line: #d6e4f0; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.75;
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif; }
a { color: var(--accent); }
/* 言語切り替え: <html lang> に合わない方を隠す */
html[lang="ja"] [data-l="en"], html[lang="en"] [data-l="ja"] { display: none !important; }
header { background: #fff; border-bottom: 1px solid var(--line); }
header .in, main, footer .in { max-width: 920px; margin: 0 auto; padding: 0 20px; }
header .in { display: flex; align-items: center; gap: 16px; height: 60px; }
.logo { font-weight: 900; font-size: 20px; color: var(--ink); text-decoration: none; letter-spacing: .02em; }
.logo span { color: var(--accent); }
nav { margin-left: auto; display: flex; gap: 14px; font-size: 14px; font-weight: 700; }
nav a { color: var(--sub); text-decoration: none; }
.langs { display: flex; gap: 6px; }
.langs button { font: inherit; font-size: 12px; font-weight: 800; border: 1px solid var(--line); background: #fff; color: var(--sub); border-radius: 999px; padding: 2px 10px; cursor: pointer; }
html[lang="ja"] .langs [data-set="ja"], html[lang="en"] .langs [data-set="en"] { background: var(--ink); color: #fff; border-color: var(--ink); }
main { padding-top: 28px; padding-bottom: 48px; }
.hero { text-align: center; padding: 26px 0 8px; }
.hero h1 { font-size: 30px; margin: 0 0 6px; }
.hero p { color: var(--sub); margin: 0; }
.games { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; margin: 28px 0; }
.game { background: var(--card); border-radius: 18px; overflow: hidden; box-shadow: 0 2px 0 var(--line); display: flex; flex-direction: column; }
.game img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; display: block; background: #cfe0ef; }
.game .body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.game h2 { margin: 0; font-size: 19px; }
.game p { margin: 0; color: var(--sub); font-size: 14px; }
.game .actions { margin-top: auto; display: flex; gap: 10px; align-items: center; }
.btn { display: inline-block; font-weight: 800; color: #fff; background: var(--accent2); border-radius: 12px; padding: 9px 20px; text-decoration: none; box-shadow: 0 3px 0 #166534; }
.btn.big { font-size: 20px; padding: 12px 34px; }
.game.soon { opacity: .7; }
.game.soon .ph { aspect-ratio: 16 / 9; display: flex; align-items: center; justify-content: center; font-size: 46px; background: linear-gradient(135deg, #dbeafe, #e0f2fe); }
section { background: var(--card); border-radius: 18px; padding: 22px 24px; margin: 20px 0; box-shadow: 0 2px 0 var(--line); }
section h2 { margin: 0 0 8px; font-size: 21px; }
section h3 { margin: 18px 0 4px; font-size: 17px; }
section ul, section ol { padding-left: 1.3em; }
.shot { width: 100%; height: auto; border-radius: 14px; display: block; margin: 8px 0 4px; }
.cap { color: var(--sub); font-size: 13px; text-align: center; margin: 0 0 8px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
th { color: var(--sub); font-weight: 700; }
.center { text-align: center; }
footer { border-top: 1px solid var(--line); background: #fff; font-size: 13px; color: var(--sub); }
footer .in { padding: 18px 20px; display: flex; flex-wrap: wrap; gap: 14px; }
footer .in span { margin-left: auto; }
@media (max-width: 560px) { nav { display: none; } .hero h1 { font-size: 24px; } }