:root{
  --cvs-ink:#111720;
  --cvs-ink-2:#4a5461;
  --cvs-ink-3:#8b95a3;
  --cvs-line:#d3d9e2;
  --cvs-line-2:#ebeef3;
  --cvs-accent:#16325c;
  --cvs-sans:"IBM Plex Sans JP",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --cvs-mono:"IBM Plex Mono","IBM Plex Sans JP",ui-monospace,monospace;
}
.cvs-wrap{width:min(1080px,calc(100% - 40px));margin-inline:auto}
.cvs-header,.cvs-footer,.cvs-header *,.cvs-footer *{box-sizing:border-box}
.cvs-header a,.cvs-footer a{color:inherit;text-decoration:none}
.cvs-header{position:sticky;z-index:1000;top:0;background:rgba(255,255,255,.96);border-bottom:1px solid var(--cvs-line);font-family:var(--cvs-sans);backdrop-filter:blur(10px)}
.cvs-header-inner{position:relative;display:flex;gap:26px;align-items:center;min-height:60px}
.cvs-logo{flex:none;color:var(--cvs-ink);font-family:var(--cvs-sans);font-size:18px;font-style:normal;font-weight:700;letter-spacing:-.04em;line-height:1}
.cvs-logo em{color:var(--cvs-accent);font-style:normal}
.cvs-nav{display:flex;flex:1;gap:20px;align-items:center}
.cvs-nav a{flex:none;padding:18px 0 16px;color:var(--cvs-ink-2);border-bottom:2px solid transparent;font-size:14px;line-height:1.7}
.cvs-nav a:hover,.cvs-nav a[aria-current="page"]{color:var(--cvs-accent);border-bottom-color:var(--cvs-accent)}
/* ★マイページはコンテンツのナビと別物なので、右端に離して置く。 */
.cvs-nav .cvs-account{margin-left:auto;display:inline-flex;gap:7px;align-items:center;padding:8px 13px;color:var(--cvs-ink);border:1px solid var(--cvs-line);border-radius:999px;font-size:13px;font-weight:700;line-height:1.4}
.cvs-nav .cvs-account::before{width:15px;height:15px;background:center/contain no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23111720' stroke-width='1.6'%3E%3Ccircle cx='8' cy='5.4' r='2.8'/%3E%3Cpath d='M2.8 14c0-2.9 2.3-4.6 5.2-4.6s5.2 1.7 5.2 4.6'/%3E%3C/svg%3E");content:""}
.cvs-nav .cvs-account:hover{border-color:var(--cvs-accent);color:var(--cvs-accent)}
.cvs-nav .cvs-account[aria-current="page"]{background:var(--cvs-accent);border-color:var(--cvs-accent);color:#fff}
.cvs-nav .cvs-account[aria-current="page"]::before{filter:brightness(0) invert(1)}
.cvs-drop{position:relative;flex:none}
.cvs-drop summary{list-style:none;cursor:pointer}
.cvs-drop summary::-webkit-details-marker{display:none}
.cvs-drop summary span{display:inline-flex;gap:7px;align-items:center;padding:18px 0 16px;color:var(--cvs-ink-2);border-bottom:2px solid transparent;font-size:14px;line-height:1.7}
.cvs-drop summary span::after{width:6px;height:6px;margin-top:-4px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);content:""}
.cvs-drop[open] summary span,.cvs-drop[data-current] summary span{color:var(--cvs-accent);border-bottom-color:var(--cvs-accent)}
.cvs-drop-panel{position:absolute;z-index:1010;top:100%;left:0;display:grid;min-width:210px;padding:6px;background:#fff;border:1px solid var(--cvs-line);box-shadow:0 16px 40px rgba(17,23,32,.16)}
.cvs-drop-panel a{padding:10px 12px;color:var(--cvs-ink-2);border-bottom:1px solid var(--cvs-line-2);font-size:13px;font-weight:500}
.cvs-drop-panel a:last-child{border-bottom:0}
.cvs-drop-panel a:hover,.cvs-drop-panel a[aria-current="page"]{color:var(--cvs-accent);background:#f5f7fa}
.cvs-menu{display:none}
.cvs-menu summary{list-style:none;cursor:pointer}
.cvs-menu summary::-webkit-details-marker{display:none}
.cvs-menu summary span{display:inline-flex;align-items:center;gap:8px;padding:8px 11px;color:var(--cvs-ink);border:1px solid var(--cvs-line);font-size:12px;font-weight:600;line-height:1}
.cvs-menu summary span::before{width:14px;height:10px;border-top:2px solid currentColor;border-bottom:2px solid currentColor;content:""}
.cvs-menu[open] summary span{color:#fff;background:var(--cvs-accent);border-color:var(--cvs-accent)}
/* ★開閉メニュー。320pxの細い箱に13項目を平らに並べていたため、
   どこが何の仲間か分からず、横に本文が透けて見えて読みにくかった。
   見出し付きのブロック ＋ 幅いっぱい ＋ 背景を敷く、の3点で直す。 */
.cvs-menu-panel{position:absolute;z-index:1010;top:calc(100% + 1px);right:0;left:0;display:block;padding:8px 10px 16px;background:#fff;border:1px solid var(--cvs-line);box-shadow:0 20px 48px rgba(17,23,32,.24);max-height:calc(100vh - 78px);overflow-y:auto;overscroll-behavior:contain}
.cvs-menu[open] summary::after{position:fixed;z-index:1000;top:60px;right:0;bottom:0;left:0;background:rgba(17,23,32,.55);content:""}
.cvs-menu summary span{position:relative;z-index:1002}
.cvs-menu-sec{margin-top:14px}
.cvs-menu-sec:first-child{margin-top:4px}
.cvs-menu-sec>b{display:block;padding:0 2px 7px;color:var(--cvs-ink-3);font-size:10px;font-weight:700;letter-spacing:.12em;line-height:1}
.cvs-menu-links{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.cvs-menu-links.cvs-menu-wide{grid-template-columns:1fr}
.cvs-menu-links a{display:flex;align-items:center;min-height:46px;padding:9px 12px;color:var(--cvs-ink);background:#f4f6f9;border:1px solid transparent;border-radius:9px;font-size:13px;font-weight:600;line-height:1.35}
.cvs-menu-links a:hover{border-color:var(--cvs-line)}
.cvs-menu-links a[aria-current="page"]{color:#fff;background:var(--cvs-accent);border-color:var(--cvs-accent)}
.cvs-menu-links .cvs-menu-youtube{color:#b91c1c;background:#fdf2f2}
.cvs-menu-links .cvs-menu-line{color:#0b7a45;background:#eefaf2}
.cvs-status{flex:none;color:var(--cvs-ink-3);font-family:var(--cvs-mono);font-size:10px;white-space:nowrap}
.cvs-footer{margin-top:40px;padding:32px 0 24px;background:var(--cvs-ink);color:#9fa9b7;font-family:var(--cvs-sans);font-size:12px;line-height:1.75}
.cvs-footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:32px}
.cvs-footer .cvs-logo{color:#fff}
.cvs-footer .cvs-logo em{color:#7fa8dc}
.cvs-footer-about p{max-width:24em;margin:10px 0 0;line-height:1.8}
.cvs-footer h2{margin:0 0 8px;padding:0;background:none;border:0;color:#fff;font-size:10px;font-weight:600;letter-spacing:.1em;line-height:1.5}
.cvs-footer h2::before,.cvs-footer h2::after{display:none;content:none}
.cvs-footer ul{margin:0;padding:0;list-style:none}
.cvs-footer li{margin:0;padding:0;list-style:none;line-height:2}
.cvs-footer a:hover{color:#fff}
.cvs-copyright{margin-top:26px;padding-top:16px;color:#6e7a89;border-top:1px solid #2a3441;font-family:var(--cvs-mono);font-size:10px}
.cvs-managed-page .l-header,.cvs-managed-page .l-footer{display:none!important}
.cvs-managed-page .l-content{padding-top:36px}
.cvs-managed-page .c-pageTitle{margin-top:0}
@media(max-width:900px){
  .cvs-header-inner{gap:12px}
  .cvs-nav{display:none}
  .cvs-menu{display:block;margin-left:auto}
  .cvs-status{margin-left:0}
  .cvs-footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:24px}
  .cvs-footer-about{grid-column:1/-1}
}
@media(max-width:560px){
  .cvs-wrap{width:min(100% - 28px,1080px)}
  .cvs-status{display:none}
  .cvs-footer-grid{grid-template-columns:1fr 1fr;gap:24px 18px}
  .cvs-footer-about{grid-column:1/-1}
}
/* ---------------------------------------------------------------- 404 */
.cvs-404-page{margin:0;background:#fff;color:var(--cvs-ink);font-family:var(--cvs-sans)}
.cvs-404-page *{box-sizing:border-box}
.cvs-404-page a{color:inherit;text-decoration:none}
.cvs-404-page h1,.cvs-404-page h2,.cvs-404-page p,.cvs-404-page ul{margin:0}
.cvs-404{padding:56px 0 72px}
.cvs-404-code{margin:0;color:var(--cvs-line);font-family:var(--cvs-mono);font-size:64px;font-weight:700;letter-spacing:.06em;line-height:1}
.cvs-404 h1{margin:10px 0 0;font-size:24px;font-weight:800;line-height:1.4}
.cvs-404-page .cvs-404-lead{margin:10px 0 0;color:var(--cvs-ink-2);font-size:14px;line-height:1.9}
.cvs-404-page .cvs-404-h2{margin:30px 0 0;padding:0;background:none;border:0;color:var(--cvs-ink-3);font-size:11px;font-weight:700;letter-spacing:.12em}
.cvs-404-page .cvs-404-h2::before,.cvs-404-page .cvs-404-h2::after{display:none;content:none}
.cvs-404-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:9px;margin-top:14px}
.cvs-404-grid a{display:flex;align-items:center;min-height:52px;padding:12px 15px;background:#f4f6f9;border:1px solid transparent;border-radius:9px;color:var(--cvs-ink);font-size:14px;font-weight:700;line-height:1.4}
.cvs-404-grid a:hover{border-color:var(--cvs-accent);color:var(--cvs-accent)}
@media(max-width:560px){.cvs-404{padding:36px 0 52px}.cvs-404-code{font-size:48px}.cvs-404 h1{font-size:20px}.cvs-404-grid{grid-template-columns:1fr 1fr}}