:root {
  --text: #111;
  --muted: #666;
  --line: #d8d8d8;
  --soft: #f6f6f6;
  --white: #fff;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, "Noto Sans KR", sans-serif;
  color: var(--text);
  background: var(--white);
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(16px, 4vw, 48px);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.site-logo {
  display: grid;
  width: 180px;
  min-height: 44px;
  place-items: center;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  background: var(--soft);
  border: 1px dashed var(--line);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-nav a {
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  border-bottom-color: var(--text);
  outline: none;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 9px;
  background: var(--white);
  border: 1px solid var(--line);
}

.menu-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--text);
}

main {
  min-height: calc(100vh - 162px);
}

.section-inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.page-hero,
.top-section,
.content-section {
  padding: clamp(56px, 8vw, 96px) 0;
}

.page-hero {
  text-align: center;
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}

.page-hero h1,
.content-section h2,
.top-content h1 {
  margin: 0 0 20px;
  font-size: clamp(36px, 6vw, 76px);
  line-height: 1;
  letter-spacing: 0.02em;
}

.page-hero p,
.top-content p,
.content-section p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.top-layout,
.about-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.placeholder,
.top-main-image,
.about-image,
.item-image,
.character-image,
.gallery-list div {
  display: grid;
  place-items: center;
  min-height: 220px;
  padding: 20px;
  color: var(--muted);
  font-weight: 700;
  text-align: center;
  background: var(--soft);
  border: 1px dashed var(--line);
}

.top-main-image {
  min-height: clamp(360px, 58vw, 620px);
}

.about-image {
  min-height: 360px;
}

.section-summary {
  max-width: 680px;
  margin: 0 auto 36px;
  text-align: center;
}

.item-list,
.character-list,
.gallery-list {
  display: grid;
  gap: 24px;
}

.item-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.character-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.gallery-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.item-card,
.character-card {
  border: 1px solid var(--line);
  background: var(--white);
}

.item-card h3,
.character-card h3 {
  margin: 18px 18px 8px;
  font-size: 20px;
}

.item-card p {
  margin: 0 18px 20px;
}

.character-card h3 {
  margin-bottom: 18px;
  text-align: center;
}

.character-image {
  min-height: 260px;
}

.gallery-list div {
  min-height: 260px;
}

.gallery-list div:nth-child(1),
.gallery-list div:nth-child(6) {
  grid-column: span 2;
}

.link-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.link-panel a {
  display: grid;
  min-height: 120px;
  place-items: center;
  padding: 16px;
  font-weight: 700;
  background: var(--soft);
  border: 1px solid var(--line);
}

.site-footer {
  display: grid;
  gap: 12px;
  place-items: center;
  padding: 32px 16px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer-logo {
  display: grid;
  width: 180px;
  min-height: 44px;
  place-items: center;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 700;
  background: var(--soft);
  border: 1px dashed var(--line);
}

@media (max-width: 860px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 72px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 18px;
    background: var(--white);
    border: 1px solid var(--line);
  }

  body.menu-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .top-layout,
  .about-layout,
  .item-list,
  .character-list,
  .gallery-list,
  .link-panel {
    grid-template-columns: 1fr 1fr;
  }

  .gallery-list div:nth-child(1),
  .gallery-list div:nth-child(6) {
    grid-column: auto;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding-inline: 12px;
  }

  .site-logo {
    width: 150px;
  }

  .top-layout,
  .about-layout,
  .item-list,
  .character-list,
  .gallery-list,
  .link-panel {
    grid-template-columns: 1fr;
  }

  .page-hero,
  .top-section,
  .content-section {
    padding: 44px 0;
  }
}