:root{
  --bg:#0b0f14;
  --muted:rgba(255,255,255,.6);
  --text:rgba(255,255,255,.92);
  --line:rgba(64,180,255,.18);
  --radius:16px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  --sans:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";
  --glow2:rgba(64,180,255,.22);
}

*{box-sizing:border-box;}

body{
  margin:0;
  font-family:var(--sans);
  background:
    radial-gradient(1200px 800px at 20% 0%,rgba(138,92,255,.18),transparent 60%),
    radial-gradient(900px 600px at 80% 20%,rgba(92,214,255,.14),transparent 60%),
    var(--bg);
  color:var(--text);
  font-size:15px;
}

.ranking-hero{
  position:relative;
  z-index:11;
  padding:clamp(26px,4.4vh,48px) 16px clamp(20px,3vh,32px);
  border-bottom:1px solid rgba(92,214,255,.14);
  background:
    radial-gradient(circle at 50% 0%,rgba(84,255,255,.12),rgba(84,255,255,0) 38%),
    radial-gradient(circle at 18% 20%,rgba(255,74,230,.10),rgba(255,74,230,0) 44%),
    linear-gradient(180deg,rgba(6,8,16,.92),rgba(11,15,20,.76));
  box-shadow:0 12px 42px rgba(0,0,0,.26),0 0 36px rgba(92,214,255,.08);
}

.ranking-hero__inner{
  max-width:1200px;
  margin:0 auto;
  text-align:center;
}

.ranking-hero__logo{pointer-events:none;}

.ranking-hero__title{
  display:flex;
  justify-content:center;
  align-items:baseline;
  flex-wrap:wrap;
  column-gap:.24em;
  color:rgba(208,255,202,.12);
  font-family:"凸版文久見出しゴシック StdN","Toppan Bunkyu Midashi Gothic StdN","Toppan Bunkyu Midashi Gothic",Impact,"Arial Black","Yu Gothic",sans-serif;
  font-size:clamp(1.82rem,4.2vw,3.65rem);
  font-style:italic;
  font-weight:900;
  letter-spacing:.03em;
  line-height:.96;
  -webkit-text-stroke:1.4px rgba(79,255,73,.92);
  text-shadow:
    0 0 2px rgba(230,255,220,.90),
    0 0 7px rgba(61,255,66,.74),
    0 0 17px rgba(38,255,42,.46),
    0 0 32px rgba(0,255,36,.28),
    4px 4px 0 rgba(0,0,0,.50);
  transform:skewX(-7deg);
  animation:rankingLogoGlow 6.8s ease-in-out infinite alternate;
}

.ranking-hero__title span{display:inline-block;}

.ranking-hero__subtitle{
  display:inline-block;
  margin-top:clamp(8px,1.2vh,14px);
  color:rgba(255,255,178,.14);
  font-family:"凸版文久見出しゴシック StdN","Toppan Bunkyu Midashi Gothic StdN","Toppan Bunkyu Midashi Gothic",Impact,"Arial Black","Yu Gothic",sans-serif;
  font-size:clamp(1rem,2.35vw,2.05rem);
  font-style:italic;
  font-weight:900;
  letter-spacing:.045em;
  line-height:1;
  -webkit-text-stroke:1px rgba(255,253,71,.90);
  text-shadow:
    0 0 2px rgba(255,255,225,.88),
    0 0 6px rgba(255,250,55,.76),
    0 0 14px rgba(255,240,20,.42),
    0 0 28px rgba(255,225,0,.26),
    3px 3px 0 rgba(0,0,0,.50);
  transform:skewX(-7deg);
  animation:rankingLogoGlow 7.6s ease-in-out infinite alternate;
}

.ranking-site-nav{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:clamp(10px,1.8vw,22px);
  width:min(900px,100%);
  margin:clamp(18px,2.8vh,30px) auto 0;
}

.ranking-site-nav__link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:clamp(108px,13vw,168px);
  min-height:44px;
  padding:12px 22px 11px;
  border:1px solid rgba(88,255,255,.72);
  border-radius:999px;
  background:linear-gradient(180deg,rgba(15,26,40,.60),rgba(5,9,18,.78));
  color:rgba(230,255,255,.96);
  font-family:"凸版文久見出しゴシック StdN","Toppan Bunkyu Midashi Gothic StdN","Toppan Bunkyu Midashi Gothic",Impact,"Arial Black","Yu Gothic",sans-serif;
  font-size:clamp(.78rem,1vw,.96rem);
  font-weight:900;
  letter-spacing:.10em;
  text-decoration:none;
  text-shadow:0 0 5px rgba(84,255,255,.58),0 0 14px rgba(84,255,255,.24);
  box-shadow:inset 0 0 12px rgba(84,255,255,.12),0 0 13px rgba(84,255,255,.14),0 10px 24px rgba(0,0,0,.34);
  transition:transform .18s ease,border-color .18s ease,color .18s ease,text-shadow .18s ease,box-shadow .18s ease,background .18s ease;
}

.ranking-site-nav__link:hover,
.ranking-site-nav__link:focus-visible{
  color:#fff;
  border-color:rgba(255,74,230,.88);
  background:linear-gradient(180deg,rgba(42,18,54,.70),rgba(8,10,24,.84));
  text-shadow:0 0 5px rgba(255,255,255,.76),0 0 14px rgba(255,74,230,.62),0 0 28px rgba(84,255,255,.38);
  box-shadow:inset 0 0 14px rgba(255,74,230,.16),0 0 16px rgba(255,74,230,.24),0 0 28px rgba(84,255,255,.14),0 12px 28px rgba(0,0,0,.40);
  transform:translateY(-2px);
  outline:none;
}

.ranking-site-nav__link--active{
  border-color:rgba(88,255,144,.84);
  color:rgba(224,255,222,.98);
  text-shadow:0 0 5px rgba(96,255,108,.72),0 0 15px rgba(96,255,108,.32);
  box-shadow:inset 0 0 12px rgba(96,255,108,.13),0 0 14px rgba(96,255,108,.14),0 10px 24px rgba(0,0,0,.34);
}

@keyframes rankingLogoGlow{
  0%{filter:brightness(.98) saturate(1.06);}
  100%{filter:brightness(1.16) saturate(1.20);}
}

.topbar{
  position:sticky;
  top:0;
  z-index:10;
  backdrop-filter:blur(10px);
  background:rgba(11,15,20,.68);
  border-bottom:1px solid var(--line);
}

.topbar__inner{
  max-width:1200px;
  margin:0 auto;
  padding:14px 16px;
}

.brand__title{
  font-size:18px;
  letter-spacing:.2px;
  font-weight:700;
}

.brand__meta{
  margin-top:2px;
  font-size:12px;
  color:var(--muted);
}

.layout{
  max-width:1200px;
  margin:16px auto 40px;
  padding:0 16px;
}

.card{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));
  border:3px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 0 0 1px rgba(64,180,255,.08) inset,0 12px 40px rgba(0,0,0,.45),0 0 24px var(--glow2);
  overflow:hidden;
}

.card__title{
  padding:14px 16px;
  border-bottom:1px solid var(--line);
  font-weight:700;
  letter-spacing:.2px;
}

.tablewrap{overflow:auto;}

.table{
  width:100%;
  border-collapse:collapse;
}

thead th{
  position:sticky;
  top:0;
  background:rgba(18,24,38,.9);
  border-bottom:1px solid var(--line);
  font-size:16px;
  color:var(--muted);
  text-align:left;
  padding:10px 12px;
  white-space:nowrap;
}

tbody td{
  border-bottom:1px solid var(--line);
  padding:14px;
  vertical-align:middle;
  font-size:18px;
}

tbody tr:hover{background:rgba(64,180,255,.06);}

.col-period{
  width:170px;
  font-family:var(--mono);
  color:rgba(255,255,255,.86);
  font-weight:800;
  text-align:center;
}

.col-user{min-width:320px;}

.col-msg,
.col-vc,
.col-points{
  width:150px;
  font-family:var(--mono);
  text-align:center;
}

.usercell{
  display:flex;
  align-items:center;
  gap:10px;
}

.avatar{
  width:42px;
  height:42px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  object-fit:cover;
}

.usercell__text{min-width:0;}

.usercell__name{
  font-weight:700;
  line-height:1.1;
}

.usercell__id{
  margin-top:3px;
  font-family:var(--mono);
  font-size:11px;
  color:rgba(255,255,255,.55);
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:260px;
}

.loading,
.empty,
.error{
  padding:24px 16px;
  text-align:center;
  color:var(--muted);
  font-size:14px;
}

.error{color:rgba(255,190,190,.9);}

tbody td[data-label]{position:relative;}

tbody td[data-label]:not(.col-user)::before{
  content:attr(data-label);
  display:block;
  font-size:11px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:4px;
}

tbody td[data-label]:not(.col-user){font-weight:600;}

.toTop{
  position:fixed;
  right:calc(18px + env(safe-area-inset-right,0px));
  bottom:calc(18px + env(safe-area-inset-bottom,0px));
  width:52px;
  height:52px;
  border-radius:999px;
  background:radial-gradient(circle at 30% 30%,#7aa2ff,#4b6bff 45%,#2b3fd6 70%);
  border:1px solid rgba(255,255,255,.35);
  box-shadow:0 0 0 2px rgba(90,120,255,.25),0 10px 28px rgba(20,30,80,.55),0 0 28px rgba(90,120,255,.55);
  cursor:pointer;
  z-index:9999;
  opacity:0;
  pointer-events:none;
  transform:translateY(10px) scale(.92);
  transition:opacity .18s ease,transform .18s ease,box-shadow .18s ease;
}

.toTop.is-visible{
  opacity:1;
  pointer-events:auto;
  transform:translateY(0) scale(1);
}

.toTop:hover{
  box-shadow:0 0 0 2px rgba(120,150,255,.45),0 14px 34px rgba(20,30,80,.65),0 0 38px rgba(120,150,255,.75);
}

.toTop:active{transform:translateY(2px) scale(.96);}

.toTop::before{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width:14px;
  height:14px;
  border-left:3px solid #fff;
  border-top:3px solid #fff;
  transform:translate(-50%,-30%) rotate(45deg);
}

@media (max-width:768px){
  .ranking-hero{padding-top:24px;}

  .ranking-site-nav{
    flex-wrap:wrap;
    gap:10px;
    width:min(390px,100%);
  }

  .ranking-site-nav__link{
    flex:1 1 calc(50% - 10px);
    min-width:0;
    padding-inline:16px;
    font-size:.82rem;
    letter-spacing:.08em;
  }

  .tablewrap{overflow:visible;}

  .table thead{display:none;}

  .table,
  .table tbody{
    display:block;
    width:100%;
  }

  .table tbody tr{
    display:grid;
    grid-template-columns:minmax(78px,1fr) minmax(106px,1fr) minmax(92px,1fr);
    grid-template-rows:auto auto auto;
    gap:10px 8px;
    margin:12px 12px 14px;
    padding:14px 14px 12px;
    border:1px solid var(--line);
    border-radius:var(--radius);
    background:rgba(255,255,255,.03);
    box-shadow:0 10px 30px rgba(0,0,0,.25);
    overflow:hidden;
  }

  .table td{
    display:block;
    width:auto;
    border-bottom:0;
    padding:0;
  }

  td.col-period{
    grid-column:1 / -1;
    grid-row:1;
    text-align:left;
    font-size:17px;
  }

  td.col-user{
    grid-column:1 / -1;
    grid-row:2;
    min-width:0;
  }

  td.col-msg{
    grid-column:1;
    grid-row:3;
    text-align:center;
    font-size:clamp(15px,4.7vw,18px);
  }

  td.col-vc{
    grid-column:2;
    grid-row:3;
    text-align:center;
    font-size:clamp(15px,4.7vw,18px);
  }

  td.col-points{
    grid-column:3;
    grid-row:3;
    text-align:center;
    font-size:clamp(15px,4.7vw,18px);
  }

  .usercell__name{
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }

  .usercell__id{
    max-width:100%;
  }

  .toTop{
    width:56px;
    height:56px;
  }
}