/* =============================================================================
   Paneva — 下層ページ共通スタイル（お問い合わせ / プライバシー / 利用規約 /
   特定商取引法 / 404）。LP と同じデザインシステム（トークン・世界観）を共有する。
   LP 本体（index.html）のスタイルは変更しない。
   ============================================================================= */
:root{
  --bg-deep:#060610; --bg-base:#0A0A14; --surface-1:#14141F; --surface-2:#1C1C2A;
  --hairline:rgba(255,255,255,0.08);
  --text-1:#F4F5FA; --text-2:rgba(244,245,250,0.64); --text-3:rgba(244,245,250,0.62); /* 0.40→0.62: WCAG AA コントラスト確保（A11y） */
  --blue:#3D7BFF; --blue-bright:#58C7FF; --violet:#7C5CFF; --violet-soft:#9B7CFF; --magenta:#B14DEB;
  --grad:linear-gradient(135deg,#3D7BFF,#7C5CFF 55%,#B14DEB);
  --grad-text:linear-gradient(116deg,#4A86FF,#8257FF 50%,#C24DF2);
  --maxw:820px; --pad:clamp(20px,5vw,40px);
}
*{box-sizing:border-box;}
[hidden]{display:none!important;}
html,body{margin:0;padding:0;background:var(--bg-deep);}
html{scroll-behavior:smooth;}
body{
  background:var(--bg-base);color:var(--text-1);
  font-family:'Hanken Grotesk','Zen Kaku Gothic New',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  line-height:1.8;min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;line-break:strict;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--blue-bright);text-decoration:none;}
a:hover{text-decoration:underline;}
::selection{background:rgba(124,92,255,0.40);color:#fff;}
/* 日本語の折り返し: 文節を保持する .np ＋ 長文は対応ブラウザで文節境界改行 */
.np{display:inline-block;white-space:nowrap;}
.page h1,.page__lead,.prose p,.prose li,.dl__row dd,.card__note,.legal-footer__copy{word-break:auto-phrase;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}

/* ambient glow (LP と同系の世界観・控えめ) */
.amb{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;}
.amb::before{content:"";position:absolute;left:-10vw;top:-14vw;width:60vw;height:60vw;border-radius:50%;
  filter:blur(100px);background:radial-gradient(circle at 40% 40%,rgba(61,123,255,0.16),transparent 62%);}
.amb::after{content:"";position:absolute;right:-14vw;bottom:-18vw;width:60vw;height:60vw;border-radius:50%;
  filter:blur(100px);background:radial-gradient(circle at 60% 60%,rgba(124,92,255,0.13),transparent 66%);}

/* top bar — nav は「トップへ戻る」ボタンのみ */
.topbar{position:sticky;top:0;z-index:60;width:100%;background:rgba(8,8,16,0.55);
  backdrop-filter:blur(22px) saturate(160%);-webkit-backdrop-filter:blur(22px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,0.06);}
.topbar__inner{width:100%;max-width:1080px;margin:0 auto;padding:0 var(--pad);height:64px;
  display:flex;align-items:center;justify-content:space-between;}
.brand{display:flex;align-items:center;gap:11px;color:var(--text-1);text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand span{font-size:18px;font-weight:600;letter-spacing:-0.01em;}
.back-btn{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:980px;
  background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.16);color:var(--text-1);
  font-size:14px;font-weight:500;text-decoration:none;
  backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);
  transition:background .2s,border-color .2s;}
.back-btn:hover{background:rgba(255,255,255,0.12);border-color:rgba(124,92,255,0.5);text-decoration:none;}
.back-btn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;}

/* page content */
main{position:relative;z-index:1;flex:1;width:100%;max-width:var(--maxw);margin:0 auto;
  padding:clamp(48px,8vw,88px) var(--pad) clamp(64px,9vw,110px);}
.page__eyebrow{font-size:13px;font-weight:600;letter-spacing:0.10em;text-transform:uppercase;color:var(--blue-bright);}
.page h1{margin:14px 0 0;font-weight:700;font-size:clamp(30px,5vw,46px);line-height:1.2;letter-spacing:-0.03em;}
.page__meta{margin:16px 0 0;font-size:13.5px;color:var(--text-3);}
.page__lead{margin:22px 0 0;font-size:clamp(16px,1.8vw,18px);color:var(--text-2);line-height:1.9;}

.prose{margin-top:clamp(36px,5vw,56px);}
.prose section{margin-top:clamp(30px,4vw,44px);}
.prose h2{margin:0 0 12px;font-size:clamp(19px,2.4vw,23px);font-weight:600;letter-spacing:-0.01em;color:var(--text-1);}
.prose h2 .num{color:var(--violet-soft);font-weight:600;margin-right:10px;}
.prose h3{margin:22px 0 8px;font-size:16px;font-weight:600;color:var(--text-1);}
.prose p{margin:0 0 12px;font-size:15.5px;color:var(--text-2);line-height:1.9;}
.prose ul,.prose ol{margin:0 0 12px;padding-left:1.3em;color:var(--text-2);font-size:15.5px;line-height:1.9;}
.prose li{margin:4px 0;}
.prose a{color:var(--blue-bright);text-decoration:underline;} /* 本文中リンクは下線で識別（色依存回避・A11y link-in-text-block） */
.hr{height:1px;background:var(--hairline);border:0;margin:clamp(30px,4vw,44px) 0;}

/* definition table (特定商取引法 / 連絡先) */
.dl{margin:clamp(30px,4vw,44px) 0 0;border:1px solid var(--hairline);border-radius:18px;overflow:hidden;
  background:rgba(20,20,31,0.5);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);}
.dl__row{display:grid;grid-template-columns:minmax(140px,32%) 1fr;border-top:1px solid var(--hairline);}
.dl__row:first-child{border-top:0;}
.dl__row dt{margin:0;padding:16px clamp(16px,2vw,22px);font-size:14px;font-weight:600;color:var(--text-1);
  background:rgba(255,255,255,0.03);border-right:1px solid var(--hairline);}
.dl__row dd{margin:0;padding:16px clamp(16px,2vw,22px);font-size:14.5px;color:var(--text-2);line-height:1.8;}
.dl__row dd .todo{color:var(--text-3);font-size:12.5px;}
.dl__row dd .dl__k{display:inline-block;min-width:6.2em;font-weight:600;color:var(--text-1);}
.dl__row dd .dl__sub{display:block;margin-top:8px;font-size:12.5px;color:var(--text-3);}

/* contact card */
.card{margin:clamp(30px,4vw,44px) 0 0;padding:clamp(24px,3vw,34px);border-radius:20px;
  background:rgba(36,31,58,0.55);border:1px solid rgba(124,92,255,0.35);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:0 30px 80px rgba(99,80,255,0.20),inset 0 1px 0 rgba(255,255,255,0.07);}
.card__label{font-size:12.5px;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--text-3);}
.card__mail{margin:6px 0 0;font-size:clamp(20px,3vw,26px);font-weight:600;letter-spacing:-0.01em;}
.card__mail a{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;}
.card__note{margin:14px 0 0;font-size:14px;color:var(--text-2);}
.pill{display:inline-flex;align-items:center;gap:8px;margin:18px 0 0;padding:8px 14px;border-radius:980px;
  background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.12);font-size:13.5px;color:var(--text-2);}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--blue-bright);box-shadow:0 0 8px rgba(88,199,255,0.9);}

/* 404 */
.notfound{text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:60vh;}
.notfound__code{font-size:clamp(72px,16vw,140px);font-weight:700;line-height:1;letter-spacing:-0.04em;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;}
.notfound h1{font-size:clamp(22px,3.4vw,30px);}
.btn-primary{display:inline-flex;align-items:center;gap:9px;margin-top:clamp(24px,4vw,32px);padding:14px 26px;border-radius:14px;
  background:var(--grad);color:#fff;font-weight:600;font-size:16px;text-decoration:none;
  box-shadow:0 12px 34px rgba(61,123,255,0.34),inset 0 1px 0 rgba(255,255,255,0.22);transition:transform .25s,box-shadow .25s;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 46px rgba(99,80,255,0.5);text-decoration:none;}

/* slim legal footer */
.legal-footer{position:relative;z-index:1;border-top:1px solid rgba(255,255,255,0.06);background:var(--bg-deep);
  padding:clamp(32px,5vw,48px) 0;}
.legal-footer__inner{width:100%;max-width:1080px;margin:0 auto;padding:0 var(--pad);
  display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px;justify-content:space-between;}
.legal-footer__links{display:flex;flex-wrap:wrap;gap:14px 22px;}
.legal-footer__links a{font-size:13.5px;color:var(--text-2);text-decoration:none;transition:color .2s;}
.legal-footer__links a:hover{color:var(--text-1);}
.legal-footer__copy{font-size:12.5px;color:var(--text-3);width:100%;}

/* ===== FOCUS — keyboard-only（:focus-visible）· 青紫トーンの上品なリング ===== */
/* キーボード操作時のみ表示。マウス/タップでは出さない。outline は border-radius に追従。 */
a:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--violet-soft);outline-offset:3px;}
.back-btn:focus-visible,.btn-primary:focus-visible{outline-offset:4px;}
:focus:not(:focus-visible){outline:none;}

@media (max-width:560px){
  .brand span{font-size:16px;}
  .dl__row{grid-template-columns:1fr;}
  .dl__row dt{border-right:0;border-bottom:1px solid var(--hairline);}
}