:root{
  --bg:#03040a;
  --panel:#0b0e1b;
  --line:rgba(120,170,255,.16);
  --ink:#eef2ff;
  --ink-soft:#a9b4d6;
  --ink-dim:#66719a;
  --cyan:#4fd8ff;
  --heart:linear-gradient(135deg,#37c8f0 0%,#7a6cf5 48%,#ff4d8d 100%);
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:'Zen Kaku Gothic New',sans-serif;
  background:var(--bg);color:var(--ink);
  line-height:1.9;font-size:16px;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    radial-gradient(700px 460px at 85% 6%,rgba(61,123,255,.10),transparent 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220' viewBox='0 0 220 220'%3E%3Cg fill='none' stroke='%23103055' stroke-width='1' opacity='.55'%3E%3Cpath d='M20 0v40h60v30M180 220v-50h-40v-30M0 120h50v40M220 60h-60v50'/%3E%3C/g%3E%3C/svg%3E");
  background-color:var(--bg);
}
a{color:#8fb1ff;text-decoration:none}
a:hover{color:var(--cyan)}
header{position:relative;z-index:10;border-bottom:1px solid var(--line);background:rgba(3,4,10,.86);backdrop-filter:blur(12px)}
.nav{max-width:860px;margin:0 auto;padding:0 24px;height:62px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;color:#fff}
.logo img,.logo svg{width:26px;height:26px;display:block;flex-shrink:0}
.logo .nav-brand{width:auto;height:44px}
.logo .word{font-family:'Audiowide',sans-serif;letter-spacing:.2em;font-size:16px}
.doc{max-width:760px;margin:0 auto;padding:48px 24px 80px;position:relative;z-index:1}
.eyebrow{font-family:'Audiowide',sans-serif;letter-spacing:.24em;font-size:11px;color:var(--cyan);text-align:center;margin-bottom:10px}
h1{font-family:'Shippori Mincho',serif;font-size:clamp(24px,4vw,32px);text-align:center;letter-spacing:.08em;margin-bottom:8px}
.meta{text-align:center;color:var(--ink-dim);font-size:13px;margin-bottom:36px}
h2{font-family:'Shippori Mincho',serif;font-size:18px;letter-spacing:.06em;margin:32px 0 10px;padding-left:12px;border-left:3px solid var(--cyan)}
p,li{color:var(--ink-soft)}
p{margin:0 0 12px}
ul,ol{margin:6px 0 16px;padding-left:22px}
li{margin:6px 0}
.note{border:1px solid var(--line);background:rgba(11,14,27,.7);border-radius:14px;padding:14px 16px;margin:16px 0;font-size:14px;color:var(--ink-soft)}
.tbl-wrap{overflow-x:auto;margin:16px 0}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:12px;border-bottom:1px solid rgba(255,255,255,.08);vertical-align:top}
td:first-child{color:var(--cyan);font-weight:700;white-space:nowrap;width:34%}
.links{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin:28px 0 8px;font-size:13px}
footer{position:relative;z-index:1;border-top:1px solid var(--line);padding:28px 24px 48px;text-align:center;color:var(--ink-dim);font-size:13px}
footer .word{font-family:'Audiowide',sans-serif;letter-spacing:.24em;color:var(--ink-soft);margin-bottom:8px}
footer .foot-logo{height:46px;width:auto;display:inline-block;margin-bottom:8px;vertical-align:middle}

/* 長いURL・メールアドレス等が枠から溢れないよう、必要時のみ折り返す（通常語は途中で割れない） */
.doc p,.doc li,.doc td,.note{overflow-wrap:anywhere}

/* スマホ: 2カラム表(ラベル/値)は狭すぎて途中改行が多発するため縦積みにして本文に幅を確保 */
@media (max-width:640px){
  .doc{padding:32px 18px 64px}
  .tbl-wrap{overflow-x:visible}
  table,tbody,tr,td{display:block;width:100%}
  tr{border-bottom:1px solid rgba(255,255,255,.08);padding:8px 0}
  td{border-bottom:none;padding:2px 2px}
  td:first-child{white-space:normal;width:auto;padding-top:2px;padding-bottom:4px}
}

/* ナビ右側(言語切替/トップへ戻る)は右上固定のBGMボタンと重ならないよう、必要な幅だけ右に余白 */
.nav .nav-r{display:flex;gap:16px;align-items:center;padding-right:max(0px,min(210px,calc(1260px - 100vw)))}
@media (max-width:640px){.nav .nav-r{padding-right:56px}}