:root{
  --bg:#0b1020;
  --card:rgba(255,255,255,.06);
  --card2:rgba(255,255,255,.08);
  --text:rgba(255,255,255,.94);
  --muted:rgba(255,255,255,.74);
  --line:rgba(255,255,255,.14);
  --accent:#77d7ff;
  --accent2:#9bffbf;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --r:18px;
}

*{box-sizing:border-box}

html,body{
  margin:0;
  padding:0;
  min-height:100%;
}

body{
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic","Meiryo",sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 20% 10%, rgba(119,215,255,.18), transparent 55%),
    radial-gradient(900px 500px at 70% 30%, rgba(155,255,191,.14), transparent 55%),
    radial-gradient(1200px 800px at 50% 100%, rgba(255,255,255,.06), transparent 60%),
    var(--bg);
}

a{
  color:var(--accent);
  text-decoration:none;
}

a:hover{
  text-decoration:underline;
}

.wrap{
  max-width:1080px;
  margin:0 auto;
  padding:28px 18px 70px;
}

header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  margin-top:10px;
  margin-bottom:22px;
  flex-wrap:wrap;
}

.brand{
  display:flex;
  gap:12px;
  align-items:center;
}

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

a.brand:hover{
  text-decoration:none;
  opacity:.92;
}

.header-right{
  display:flex;
  align-items:flex-start;
  gap:10px;
  flex-wrap:wrap;
}

a.pill-link{
  color:var(--accent);
  border-color:rgba(119,215,255,.28);
}

a.pill-link:hover{
  background:rgba(119,215,255,.1);
  text-decoration:none;
}

.logo{
  width:42px;
  height:42px;
  border-radius:12px;
  background:linear-gradient(135deg, rgba(119,215,255,.9), rgba(155,255,191,.85));
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
  flex:0 0 auto;
}

.logo:after{
  content:"";
  position:absolute;
  inset:-40%;
  background:radial-gradient(circle at 30% 30%, rgba(255,255,255,.55), transparent 45%);
  transform:rotate(20deg);
}

.brand h1{
  margin:0;
  font-size:20px;
  letter-spacing:.2px;
}

.brand p{
  margin:2px 0 0;
  font-size:13px;
  color:var(--muted);
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
  white-space:nowrap;
}

main.layout-policy{
  display:grid;
  grid-template-columns:1.55fr .95fr;
  gap:18px;
}

main.layout-hub{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  max-width:720px;
}

@media (max-width:900px){
  main.layout-policy{
    grid-template-columns:1fr;
  }
}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--shadow);
  padding:18px 18px 16px;
  backdrop-filter:blur(10px);
}

.card h2{
  margin:0 0 10px;
  font-size:18px;
  letter-spacing:.2px;
}

.card h3{
  margin:18px 0 8px;
  font-size:15px;
  letter-spacing:.2px;
}

.card p,
.card li{
  color:var(--muted);
  line-height:1.8;
  font-size:14px;
}

.hero h2{
  font-size:24px;
  margin-bottom:10px;
  color:var(--text);
}

.hr{
  height:1px;
  background:var(--line);
  margin:14px 0;
}

.app-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-top:14px;
}

@media (max-width:560px){
  .app-grid{
    grid-template-columns:1fr;
  }
}

.link-box{
  display:block;
  padding:14px 14px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--card2);
  color:inherit;
  text-decoration:none;
  transition:background .15s, border-color .15s;
}

.link-box:hover{
  text-decoration:none;
  background:rgba(119,215,255,.08);
  border-color:rgba(119,215,255,.35);
}

.link-box strong{
  display:block;
  font-size:15px;
  color:var(--text);
  margin-bottom:4px;
}

.link-box span{
  font-size:12px;
  color:var(--muted);
}

.small{
  font-size:12px;
  color:var(--muted);
}

.mono{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  font-size:12px;
  color:rgba(255,255,255,.72);
  line-height:1.7;
  word-break:break-word;
}

ul{
  margin:8px 0 0;
  padding-left:18px;
}

.lang-label{
  display:inline-block;
  margin-bottom:10px;
  padding:5px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  font-size:12px;
  color:rgba(255,255,255,.78);
}

footer{
  margin-top:22px;
  padding-top:14px;
  color:var(--muted);
  font-size:12px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  border-top:1px solid var(--line);
}

table.data-table{
  width:100%;
  border-collapse:collapse;
  font-size:13px;
  color:var(--muted);
  margin:8px 0 4px;
}

table.data-table th,
table.data-table td{
  border:1px solid var(--line);
  padding:8px 10px;
  text-align:left;
  vertical-align:top;
}

table.data-table th{
  color:var(--text);
  background:rgba(255,255,255,.04);
}

.legal-doc section{
  margin-bottom:1.1em;
}

.legal-doc section h2{
  margin:1em 0 .45em;
  font-size:15px;
  color:var(--text);
}

.legal-doc .meta{
  font-size:13px;
  color:var(--muted);
  margin:.25em 0;
}

.lang-switch{
  display:flex;
  flex-wrap:wrap;
  gap:10px 14px;
  margin-top:10px;
}

.lang-switch a{
  font-size:13px;
}

.warn{
  background:rgba(255,180,180,.08);
  border:1px solid rgba(255,180,180,.28);
  border-radius:12px;
  padding:12px 14px;
}

.warn p{
  margin:0 0 8px;
}

.warn p:last-child{
  margin-bottom:0;
}

.wrap > section,
.wrap section p,
.wrap section li{
  color:var(--muted);
  line-height:1.8;
  font-size:14px;
}

.wrap > header h1{
  margin:0;
  font-size:22px;
  color:var(--text);
}

.license-pre{
  margin:10px 0 0;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(0,0,0,.25);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  font-size:11px;
  line-height:1.55;
  color:rgba(255,255,255,.78);
  white-space:pre-wrap;
  word-break:break-word;
  overflow-x:auto;
}