/* Basic reset */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: #000;
  color: #fff;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(0,0,0,.7); backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.nav-inner { height: 56px; display: flex; align-items: center; justify-content: space-between; }
.nav a { opacity: .85; margin-left: 16px; }
.nav a:hover { opacity: 1; }

.btn { display: inline-block; padding: 10px 16px; border-radius: 999px; background: #fff; color: #000; font-weight: 700; }
.btn.secondary { background: transparent; border: 1px solid rgba(255,255,255,.3); color: #fff; }

.hero { position: relative; overflow: hidden; }
.hero .inner { padding: 80px 0; }
.hero .bg {
  position: absolute; inset: 0;
  background: url("../img/hero.svg") center/cover no-repeat;
  opacity: .6;
}
.hero .shade { position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(0,0,0,.2), rgba(0,0,0,.9)); }
.hero .content { position: relative; }
h1 { font-size: clamp(32px, 7vw, 64px); margin: 0 0 8px; }
.tagline { font-size: clamp(16px, 2.5vw, 22px); opacity: .9; max-width: 720px; }

.section { padding: 56px 0; border-top: 1px solid rgba(255,255,255,.08); }
.section h2 { margin: 0 0 16px; font-size: 24px; }
.grid { display: grid; gap: 16px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) {
  .grid.cols-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
}
.card { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); border-radius: 16px; overflow: hidden; }
.card .pad { padding: 16px; }

.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.list li:last-child { border-bottom: 0; }

footer { padding: 40px 0; text-align: center; opacity: .7; font-size: 14px; }
.badge { padding: 2px 8px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; font-size: 12px; opacity: .8; }
.meta { font-size: 12px; opacity: .7; }