:root {
  --c-acc: #6b8e5a;
  --c-acc-dark: #4f6e41;
  --c-dark: #1c2018;
  --c-bg: #fbfaf5;
  --c-bg-soft: #f0eee3;
  --c-border: #d8d4c0;
  --c-text: #1c1f17;
  --c-muted: rgba(0,0,0,.55);
  --rhythm: 104px;
  --radius: 20px;
  --shadow: 0 4px 24px rgba(28,32,24,.08);
  --ff-h: 'DM Serif Display', serif;
  --ff-b: 'DM Sans', sans-serif;
  --hue-shift: 40deg;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--ff-b); background: var(--c-bg); color: var(--c-text); line-height: 1.6; }
h1, h2, h3, h4, h5, h6 { font-family: var(--ff-h); }
a { color: var(--c-acc); text-decoration: none; }
.page-wrap { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.section { padding: var(--rhythm) 0; }
.section:nth-child(even) { background: var(--c-bg-soft); }
img { max-width: 100%; height: auto; display: block; }
.button-acc { background: var(--c-acc); color: #fff; padding: 12px 24px; border: none; border-radius: var(--radius); cursor: pointer; font-weight: 600; text-decoration: none; display: inline-block; }
.button-acc:hover { background: var(--c-acc-dark); }
.button-out { border: 1px solid var(--c-acc); color: var(--c-acc); background: transparent; padding: 12px 24px; border-radius: var(--radius); cursor: pointer; font-weight: 600; text-decoration: none; display: inline-block; }
.button-out:hover { background: var(--c-bg-soft); }
.header { background: #fff; padding: 20px 0; box-shadow: 0 2px 8px rgba(0,0,0,0.04); position: sticky; top: 0; z-index: 100; }
.nav-link { color: var(--c-text); text-decoration: none; font-weight: 500; transition: color 0.2s; }
.nav-link:hover { color: var(--c-acc); }
.header-logo { font-family: var(--ff-h); font-size: 28px; font-weight: 700; color: var(--c-text); text-decoration: none; display: inline-block; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th { background: var(--c-bg-soft); padding: 16px; text-align: left; font-weight: 600; color: var(--c-text); border-bottom: 1px solid var(--c-border); }
td { padding: 16px; border-bottom: 1px solid var(--c-border); }
tr:hover { background: var(--c-bg-soft); }
.footer { background: var(--c-bg-soft); padding: 96px 0 40px; margin-top: var(--rhythm); }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 48px; margin-bottom: 64px; }
.qna { background: #fff; margin: 0 0 16px; border-radius: 8px; border: 1px solid var(--c-border); overflow: hidden; }
.qna-q { width: 100%; padding: 20px; text-align: left; background: var(--c-bg-soft); border: none; cursor: pointer; font-weight: 600; color: var(--c-text); font-size: 15px; display: flex; justify-content: space-between; align-items: center; }
.qna-q:hover { background: var(--c-border); }
.qna-a { max-height: 0px; overflow: hidden; transition: max-height 0.3s ease; background: #fff; padding: 0 20px; }
.qna-a p { padding: 20px 0; color: var(--c-muted); line-height: 1.6; }
@media (max-width: 768px) {
  .page-wrap { padding: 0 16px; }
  h1 { font-size: 32px; }
  table { font-size: 14px; }
  th, td { padding: 12px; }
  .nav-menu { display: none; }
  .nav-toggle { display: block !important; }
}