:root{
  --key:#043034;          /* Lightning のキーカラー */
  --ink:#212529;
  --ink-soft:#606060;
  --line:#e3e3e3;
  --rule:rgba(0,0,0,.15);
  --gold:#b9974a;
  --accent:#d8262c;
  --header-h:96px;
  --wrap:1140px;
  --side-col:302px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:メイリオ,Meiryo,"Hiragino Kaku Gothic Pro","ヒラギノ角ゴ Pro W3","Hiragino Sans","Noto Sans JP",sans-serif;
  font-size:16px;line-height:1.9;color:var(--ink);background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:8px 12px;z-index:999}

/* 見出しの共通罫線（Lightning風：細い線＋左端に濃いセグメント） */
.rule-under{position:relative;padding-bottom:12px;border-bottom:1px solid var(--rule)}
.rule-under::after{
  content:"";position:absolute;left:0;bottom:-1px;
  width:25%;max-width:110px;height:2px;background:var(--key);
}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{max-width:1440px;margin:0 auto;padding:0 32px;height:var(--header-h);display:flex;align-items:center;gap:40px}
.logo img{width:56px}
.gnav{display:flex;gap:4px;flex-wrap:wrap}
.gnav a{
  display:flex;align-items:center;height:var(--header-h);padding:0 14px;
  font-size:14px;font-weight:700;color:#333;text-decoration:none;
  border-bottom:3px solid transparent;
}
.gnav a:hover,.gnav a[aria-current=page]{border-bottom-color:var(--key)}
.navtoggle{display:none}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#cfe0ef}
.slides{display:flex;transition:transform .6s cubic-bezier(.4,0,.2,1)}
.slide{min-width:100%;position:relative}
.slide img{width:100%;max-height:62vh;object-fit:cover;object-position:center}
.slide-caption{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;text-align:center;padding:16px}
.slide-caption h2{
  margin:0;font-size:clamp(20px,3.2vw,42px);font-weight:700;color:#fff;
  padding:10px 26px;background:rgba(0,0,0,.42);
  text-shadow:0 2px 12px rgba(0,0,0,.6);
}
.slide-btn{
  display:inline-block;padding:11px 26px;font-size:clamp(13px,1.6vw,20px);font-weight:700;
  color:#fff;text-decoration:none;border:2px solid #fff;background:rgba(0,0,0,.42);
  text-shadow:0 1px 6px rgba(0,0,0,.5);
}
.slide-btn.blue{color:#fff;border-color:#fff}
.slide-btn:hover{background:rgba(0,0,0,.62)}
.hero-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;cursor:pointer;background:rgba(255,255,255,.6);color:#333;font-size:22px;line-height:1}
.hero-nav:hover{background:#fff}
.hero-prev{left:16px}.hero-next{right:16px}
.hero-dots{position:absolute;bottom:18px;left:0;right:0;display:flex;justify-content:center;gap:10px}
.hero-dots button{width:10px;height:10px;padding:0;border:0;border-radius:50%;cursor:pointer;background:rgba(255,255,255,.6)}
.hero-dots button[aria-selected=true]{background:var(--accent)}

/* ---------- layout ---------- */
.layout{
  max-width:var(--wrap);margin:0 auto;padding:56px 24px 72px;
  display:grid;grid-template-columns:minmax(0,1fr) var(--side-col);
  gap:68px;align-items:start;
}

/* ---------- main column ---------- */
.intro{text-align:center;margin-bottom:48px}
.eyebrow{margin:0 0 6px;font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gold)}
.intro h2{margin:0 0 20px;font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.5}
.intro p{margin:0 0 28px;color:var(--ink-soft)}

.biz-item{padding:40px 0 8px;border-top:3px solid var(--key)}
.biz-item h2{margin:0 0 28px;font-size:clamp(22px,2.4vw,30px);font-weight:400;line-height:1.5}
.biz-item h3{margin:28px 0 0;font-size:clamp(18px,2vw,24px);font-weight:400;line-height:1.6}
.biz-item p{margin:20px 0 0;color:var(--ink-soft)}
.biz-item p.fee{color:var(--ink);font-weight:700}
.biz-item img,.biz-item video{width:100%}
.biz-item video{background:#000;display:block}
.biz-item .more{display:inline-block;margin-top:14px;font-weight:700;font-size:14px;color:var(--key);text-decoration:none;border-bottom:1px solid currentColor}
.biz-item .more:hover{opacity:.7}

/* ---------- widget（サイドバー・フッター共通） ---------- */
.widget + .widget{margin-top:40px}
.widget-ttl{
  margin:0 0 15px;font-size:18px;font-weight:500;line-height:1.5;
}
.widget p{margin:0;font-size:14px;line-height:1.8}
.widget a{word-break:break-all}
.widget-sub{margin:14px 0 2px;font-size:13px;font-weight:700;color:var(--gold);letter-spacing:.06em}
.widget-icon{display:inline-block}
.widget-icon img{width:auto}
.sidebar{display:flex;flex-direction:column}

/* 検索ウィジェット */
.searchform{display:flex;gap:8px}
.searchform input[type=search]{
  flex:1;min-width:0;padding:9px 12px;font-size:14px;
  border:1px solid #ccc;background:#fff;font-family:inherit;
}
.searchform button{
  padding:9px 18px;font-size:14px;font-weight:700;color:#fff;
  background:var(--key);border:0;cursor:pointer;font-family:inherit;
}
.searchform button:hover{opacity:.85}

/* 動画ウィジェット */
.video-embed{position:relative;padding-top:56.25%;background:#000}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ---------- footer widgets ---------- */
.footer-widgets{background:#f4f1ec;padding:36px 0}
.footer-grid{
  max-width:var(--wrap);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;align-items:start;
}
.footer-grid .widget + .widget{margin-top:0}

/* ---------- footer ---------- */
.site-footer{padding:28px 0;text-align:center;font-size:13px;color:var(--ink-soft)}

/* ---------- responsive ---------- */
@media(max-width:1060px){
  .layout{grid-template-columns:minmax(0,1fr);gap:48px}
  .sidebar{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:36px;padding-top:36px;border-top:1px solid var(--line)}
  .sidebar .widget + .widget{margin-top:0}
}
@media(max-width:860px){
  :root{--header-h:64px}
  .header-inner{padding:0 16px;gap:16px}
  .gnav{display:none}
  .gnav.open{display:flex;flex-direction:column;position:absolute;top:var(--header-h);left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 0}
  .gnav.open a{height:auto;padding:14px 20px;border-bottom:1px solid var(--line)}
  .navtoggle{display:block;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:#fff;font-size:20px;cursor:pointer}
  .layout{padding:36px 20px 48px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media(prefers-reduced-motion:reduce){
  .slides{transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 下層ページ ---------- */
.page-head{border-bottom:1px solid var(--line);background:#fafafa}
.page-head .wrap{padding-top:36px;padding-bottom:28px}
.page-head h1{margin:0;font-size:clamp(21px,2.6vw,30px);font-weight:500;line-height:1.5}
.breadcrumb{max-width:var(--wrap);margin:0 auto;padding:14px 24px 0;font-size:13px;color:var(--ink-soft)}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
.breadcrumb li+li::before{content:"›";margin-right:8px;color:#aaa}
.breadcrumb a{text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}

.entry h2{margin:44px 0 20px;font-size:clamp(19px,2.2vw,25px);font-weight:400;line-height:1.5}
.entry h2:first-child{margin-top:0}
.entry p{margin:18px 0 0}
.entry .policy p{margin:26px 0 0}
.entry .policy b{display:block;margin-bottom:4px;font-weight:700}

.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:24px}
.gallery img{width:100%;aspect-ratio:1;object-fit:cover}

.notice-box{margin-top:24px;padding:20px 22px;background:#fdf3f3;border:1px solid #f0d4d4}
.notice-box p{margin:0;font-size:14px;color:#a33}

.contact-block{margin-top:24px}
.contact-block .widget-icon img{width:64px}

/* ---------- 画像を使わないブロック ---------- */
.biz-chips{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px;
  padding:32px 24px;
  background:linear-gradient(135deg,#f7f4ee 0%,#eef2f4 100%);
  border:1px solid var(--line);
}
.biz-chips span{
  padding:8px 18px;font-size:14px;font-weight:700;line-height:1.4;
  color:var(--key);background:#fff;border:1px solid rgba(4,48,52,.18);
  border-radius:999px;
}

.feature-panel{
  padding:32px 28px;
  background:linear-gradient(135deg,#f7f4ee 0%,#eef2f4 100%);
  border-left:5px solid var(--key);
}
.feature-panel .feature-lead{
  margin:0;font-size:clamp(16px,1.8vw,19px);line-height:1.9;color:var(--ink);
}
.feature-panel .feature-note{
  margin:14px 0 0;font-size:14px;color:var(--ink-soft);
}
.feature-panel .more{margin-top:18px}
.biz-item.no-image{padding-bottom:16px}

@media(max-width:860px){
  .biz-chips{padding:24px 16px;gap:8px}
  .biz-chips span{padding:6px 14px;font-size:13px}
  .feature-panel{padding:24px 20px}
}

/* Live配信運営の補足行 */
.biz-item .sub-note{margin-top:10px;font-size:14px;color:var(--ink-soft)}

/* ---------- サイドバーの動画キャプション ---------- */
.widget-caption{margin-top:10px;font-size:13px;line-height:1.7;color:var(--ink-soft)}
.widget .more{display:inline-block;margin-top:8px;font-weight:700;font-size:13px;color:var(--key);text-decoration:none;border-bottom:1px solid currentColor}
.widget .more:hover{opacity:.7}

/* ---------- イベントページ ---------- */
.feature-event .feature-panel{border-left-color:var(--gold)}
.todo-note{margin-top:14px;padding:12px 16px;background:#fdfaf2;border:1px dashed #d9c48a;font-size:14px;color:#7a6323}
.event-dl{display:grid;grid-template-columns:132px 1fr;gap:12px 20px;margin:20px 0 0}
.event-dl dt{font-weight:700;font-size:14px;color:var(--gold);letter-spacing:.06em}
.event-dl dd{margin:0}
@media(max-width:860px){
  .event-dl{grid-template-columns:1fr;gap:2px 0}
  .event-dl dt{margin-top:14px}
}