/* サンプル一覧ページ（公開アドレスのいちばん上）の見た目 */
:root {
  --bg: #fbfcf8; --paper: #fff; --ink: #273628; --ink-2: #566656; --line: #e2e9d9;
  --green-deep: #4f7a2e; --green-mist: #f5f9ef;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; background: var(--bg); color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.9; letter-spacing: .04em;
}
main { max-width: 760px; margin: 0 auto; padding: 72px 16px 64px; }
.en { margin: 0; color: var(--green-deep); font-size: 13px; letter-spacing: .2em; }
h1 { margin: 8px 0 12px; font-size: 26px; font-weight: 700; letter-spacing: .1em; }
.lead { margin: 0 0 40px; color: var(--ink-2); font-size: 14px; }
ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 16px; }
.card {
  display: block; padding: 24px 28px; border: 1px solid var(--line); border-radius: 20px;
  background: var(--paper); color: inherit; text-decoration: none;
  transition: border-color .3s, box-shadow .3s;
}
.card:hover { border-color: #c9dbb3; box-shadow: 0 12px 28px -16px rgba(39, 54, 40, .3); }
.card:focus-visible { outline: 3px solid #8db255; outline-offset: 3px; }
.card-name { display: block; font-size: 18px; font-weight: 700; }
.card-desc { display: block; margin-top: 4px; color: var(--ink-2); font-size: 14px; }
.card-go { display: inline-block; margin-top: 12px; color: var(--green-deep); font-size: 14px; font-weight: 700; }
footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--ink-2); font-size: 12px; }