:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    "Noto Sans JP",
    system-ui,
    -apple-system,
    "Hiragino Kaku Gothic ProN",
    "Yu Gothic",
    Arial,
    sans-serif;

  color: #333333;
  background: #ffffff;
  line-height: 1.6;
}

/* =========================
   Header
========================= */

.site-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 48px;
}

.name {
  font-size: 25px;
  font-weight: 400;
  letter-spacing: 0.3em;
  margin: 0;
  text-align: center;
}

/* =========================
   Works Grid
========================= */

.works-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px 40px; /* 上は0。名前→作品の間隔はheaderで管理 */
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 32px;
}

.work-item {
  grid-column: span 2;
  display: block;
}

.work-item img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  background: #f2f2f2;
}

/* --- 遷移を無効化（クリックしても何も起きない） --- */
.work-item.is-disabled {
  cursor: default;
}

.work-item.is-disabled img {
  pointer-events: none;
}

/* =========================
   Footer
========================= */

.site-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 48px 50px;
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #777777;
}

/* =========================
   Tablet
========================= */

@media (max-width: 900px) {
  .site-header {
    padding: 80px 24px;
  }

  .works-grid {
    padding: 0 24px 32px;
    gap: 24px;
  }

  .work-item {
    grid-column: span 3;
  }

  .site-footer {
    padding: 100px 24px 28px;
  }

  .name {
    font-size: 25px;
    letter-spacing: 0.3em;
  }
}

/* =========================
   Mobile
========================= */

@media (max-width: 600px) {
  .site-header {
    padding: 60px 16px;
  }

  .works-grid {
    padding: 0 16px 24px;
    gap: 16px;
  }

  .work-item {
    grid-column: span 6;
  }

  .site-footer {
    padding: 100px 16px 24px;
  }

  .name {
    font-size: 20px;
    letter-spacing: 0.3em;
  }
}