/* マナカメのサイト。スクリプトは使わない。色はアプリの黒と黄色 */
:root {
  --paper: #f6f6f4; --card: #ffffff; --ink: #16171c; --muted: #5d5f68;
  --line: rgba(20, 20, 30, .12); --accent: #ffd60a; --accent-ink: #7a6200; --link: #5a4a00;
  --sans: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --paper: #101118; --card: #1b1c25; --ink: #f1f1f4; --muted: #a5a7b2; --line: rgba(255,255,255,.1); --accent-ink: #ffd60a; --link: #ffd60a; color-scheme: dark; }
}
:root[data-theme="dark"] { --paper: #101118; --card: #1b1c25; --ink: #f1f1f4; --muted: #a5a7b2; --line: rgba(255,255,255,.1); --accent-ink: #ffd60a; --link: #ffd60a; color-scheme: dark; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.8 var(--sans); }
a { color: var(--link); }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); text-decoration: none; }
.logo img { border-radius: 8px; }
nav a { margin-left: 16px; color: var(--ink); text-decoration: none; font-size: 15px; }
main { padding: 40px 0 64px; }
.hero { text-align: center; padding: 24px 0 8px; }
.hero img { border-radius: 28px; box-shadow: 0 16px 40px -16px rgba(0,0,0,.5); }
h1 { font-size: clamp(28px, 6vw, 40px); line-height: 1.3; margin: 24px 0 8px; }
h2 { font-size: 22px; margin: 40px 0 8px; }
.lead { color: var(--muted); font-size: 17px; }
.get { display: inline-block; margin-top: 20px; padding: 12px 28px; border-radius: 999px; background: var(--accent); color: #16171c; font-weight: 700; text-decoration: none; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 32px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; margin: 10px 0; }
summary { font-weight: 700; cursor: pointer; }
.updated, .fine { color: var(--muted); font-size: 13px; }
footer { border-top: 1px solid var(--line); padding: 24px 0 40px; }
footer a { margin-right: 16px; font-size: 14px; }