html { scroll-behavior: smooth; }
.intro { padding: 50px 0 42px; }
.manage-link { display: inline-block; margin-top: 8px; color: #c9d3e4; text-underline-offset: 5px; }
.collection-note { width: 280px; padding: 30px; border: 1px solid #35412e; border-radius: 18px; background: linear-gradient(140deg,#202f23,#141b28); }
.collection-number { color: #b5fc75; font-size: 72px; font-weight: 600; line-height: 1; }
.collection-note p { color: #e8edf9; margin: 12px 0; }
.collection-note > span:last-child { font-size: 12px; line-height: 1.6; color: #a2afc2; }
#catalog-status:empty { display: none; }
.catalog-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.site-card { display: flex; flex-direction: column; min-width: 0; background: #141b28; border: 1px solid #293346; border-radius: 15px; padding: 24px; transition: border-color .2s; }
.site-card:hover { border-color: #627756; }
.site-card-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 24px; }
.site-number { color: #8495ae; font-size: 14px; font-variant-numeric: tabular-nums; }
.site-card h3 { font-size: 23px; line-height: 1.25; letter-spacing: -.5px; }
.site-description { flex: 1; margin: 10px 0 25px; font-size: 13px; }
.site-open { display: block; text-align: center; border: 1px solid #b5fc75; border-radius: 8px; padding: 13px 18px; background: #b5fc75; color: #182710; font-weight: 650; text-decoration: none; }
.site-open:hover { background: #c9ff99; }
.site-preview { width: calc(100% + 48px); margin: -24px -24px 20px; aspect-ratio: 1.6; object-fit: cover; object-position: top; border-radius: 14px 14px 0 0; background: #202736; }
.site-placeholder { display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 20px; text-align: center; background: linear-gradient(140deg,#30293a,#1c2434); }
.site-placeholder span { font-size: 15px; color: #d7cfe0; }
.site-placeholder p { font-size: 12px; margin: 8px 0 0; }
#management { border-top: 1px solid #293346; padding-top: 22px; margin-top: 64px; scroll-margin-top: 24px; }
#management > .notice { max-width: none; margin-bottom: 24px; }
#auth { max-width: none; }
a:focus-visible,button:focus-visible { outline: 2px solid #b5fc75; outline-offset: 4px; }
@media(max-width:950px) { .catalog-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media(max-width:600px) {
  h1 { font-size: 46px; }
  .intro { padding-top: 26px; }
  .intro p br { display: none; }
  .collection-note { width: 100%; padding: 20px; margin-top: 30px; }
  .collection-number { font-size: 48px; float: left; margin-right: 20px; }
  .collection-note p { margin: 0 0 8px; }
  .collection-note > span:last-child { display: block; }
  .catalog-grid { grid-template-columns: 1fr; }
  #catalog > .section-title { display: block; }
  #catalog > .section-title .muted { display: block; margin-top: 10px; }
  #management { margin-top: 40px; }
}
@media(prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } .site-card { transition: none; } }