/* ───────── 日本麻雀連合 — KDDI-style landing ───────── */
:root{
  --orange:#EB5505;
  --orange-dark:#C44402;
  --red:#E60012;
  --ink:#1a1a1a;
  --ink-2:#444;
  --ink-3:#767676;
  --line:#e4e4e4;
  --line-soft:#f0f0f0;
  --bg:#ffffff;
  --bg-soft:#f4f4f4;
  --bg-dark:#1a1a1a;
  --green:#0F6E3D;     /* mahjong table felt */
  --gold:#B8893A;
  --maxw:1240px;
  --font-jp:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  --font-en:"Barlow",sans-serif;
  --font-mark:"Barlow Condensed",sans-serif;
  --font-display-jp:var(--font-jp);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-jp);
  -webkit-font-smoothing:antialiased;font-feature-settings:"palt";line-height:1.6}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ───────── Utility bar ───────── */
.util{background:#fff;border-bottom:1px solid var(--line-soft);font-size:12px}
.util-inner{display:flex;align-items:center;justify-content:flex-end;gap:18px;height:34px;color:var(--ink-2)}
.util a:hover{color:var(--orange)}
.util .sep{width:1px;height:12px;background:var(--line)}
.util .lang{display:inline-flex;align-items:center;gap:6px;font-weight:500}
.util .lang svg{width:13px;height:13px}
.util .search{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border:1px solid var(--line);
  border-radius:999px;background:#fafafa}
.util .search input{border:0;background:transparent;outline:0;width:120px;font:inherit;color:var(--ink)}
.util .search svg{width:13px;height:13px;color:var(--ink-3)}

/* ───────── Header ───────── */
.hdr{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.hdr-inner{display:flex;align-items:stretch;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink)}
.brand-mark{width:46px;height:46px;display:grid;place-items:center;
  background:var(--orange);color:#fff;border-radius:6px;font-weight:800;
  font-family:var(--font-display-jp);font-size:24px;letter-spacing:.02em;
  box-shadow:0 2px 0 rgba(0,0,0,.06)}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-jp{font-weight:700;font-size:16px;letter-spacing:.04em}
.brand-en{font-family:var(--font-en);font-size:10.5px;color:var(--ink-3);
  letter-spacing:.18em;text-transform:uppercase;margin-top:3px}

.nav{display:flex;align-items:stretch}
.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:0 18px;border-left:1px solid var(--line-soft);position:relative;cursor:pointer;
  transition:color .15s}
.nav-item:hover{color:var(--orange)}
.nav-item:hover .nav-en{color:var(--orange)}
.nav-jp{font-size:13.5px;font-weight:600;letter-spacing:.02em}
.nav-en{font-family:var(--font-en);font-size:9.5px;color:var(--ink-3);
  letter-spacing:.16em;text-transform:uppercase;margin-top:4px;transition:color .15s}
.nav-item.is-open::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--orange)}

.nav-cta{display:flex;align-items:center;gap:10px;padding:0 4px 0 18px}
.btn-login{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid var(--ink);
  border-radius:999px;font-size:13px;font-weight:600;background:#fff;color:var(--ink);transition:all .15s}
.btn-login:hover{background:var(--ink);color:#fff}
.btn-join{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:999px;
  background:var(--orange);color:#fff;font-size:13px;font-weight:600;border:0;transition:background .15s}
.btn-join:hover{background:var(--orange-dark)}

/* megamenu */
.megamenu{position:absolute;left:0;right:0;top:100%;background:#fff;border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);box-shadow:0 12px 30px rgba(0,0,0,.08);z-index:40}
.megamenu .wrap{display:grid;grid-template-columns:240px 1fr;gap:40px;padding:36px 24px 40px}
.mm-title{font-size:22px;font-weight:700;letter-spacing:.02em}
.mm-title small{display:block;font-family:var(--font-en);font-size:11px;color:var(--orange);
  letter-spacing:.2em;text-transform:uppercase;margin-bottom:8px;font-weight:500}
.mm-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:18px 28px}
.mm-col h4{margin:0 0 10px;font-size:13px;font-weight:700;color:var(--ink);
  padding-bottom:8px;border-bottom:1px solid var(--line-soft)}
.mm-col ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}
.mm-col a{font-size:12.5px;color:var(--ink-2);display:inline-flex;align-items:center;gap:6px}
.mm-col a:hover{color:var(--orange)}
.mm-col a::before{content:"›";color:var(--orange);font-weight:700}

/* ───────── Hero carousel ───────── */
.hero{position:relative;background:#000;overflow:hidden}
.hero-track{display:flex;transition:transform .6s cubic-bezier(.4,0,.2,1)}
.hero-slide{flex:0 0 100%;position:relative;height:520px;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,.25) 55%,rgba(0,0,0,0) 100%)}
.hero-content{position:relative;height:100%;display:flex;align-items:center}
.hero-text{color:#fff;max-width:560px;padding:0 24px;z-index:2}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;padding:6px 12px 6px 14px;
  background:var(--orange);border-radius:999px;font-size:11px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;font-family:var(--font-en);margin-bottom:24px}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:#fff}
.hero-title{font-family:var(--font-display-jp);font-size:52px;font-weight:700;line-height:1.14;letter-spacing:.01em;margin:0 0 18px;
  text-wrap:balance;text-shadow:0 1px 30px rgba(0,0,0,.3)}
.hero-sub{font-size:16px;line-height:1.7;opacity:.92;margin:0 0 30px;max-width:480px}
.hero-cta{display:inline-flex;align-items:center;gap:12px;padding:14px 22px 14px 24px;
  background:#fff;color:var(--ink);border-radius:999px;font-size:14px;font-weight:600;
  transition:transform .2s}
.hero-cta:hover{transform:translateX(4px)}
.hero-cta .arr{width:24px;height:24px;border-radius:50%;background:var(--orange);color:#fff;
  display:grid;place-items:center;font-size:11px}

.hero-art{position:absolute;right:-40px;top:50%;transform:translateY(-50%);width:560px;
  opacity:.95;pointer-events:none}

/* hero dots + arrows */
.hero-nav{position:absolute;left:0;right:0;bottom:24px;display:flex;justify-content:space-between;
  align-items:center;padding:0 24px;z-index:3;pointer-events:none}
.hero-nav>*{pointer-events:auto}
.hero-dots{display:flex;gap:8px;align-items:center}
.hero-dots button{width:34px;height:3px;border:0;background:rgba(255,255,255,.35);padding:0;
  border-radius:2px;transition:background .2s}
.hero-dots button.is-active{background:#fff}
.hero-count{font-family:var(--font-en);color:#fff;font-size:13px;letter-spacing:.18em;
  margin-left:16px;opacity:.85}
.hero-arrows{display:flex;gap:8px}
.hero-arrows button{width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.4);
  background:rgba(0,0,0,.3);color:#fff;display:grid;place-items:center;backdrop-filter:blur(6px)}
.hero-arrows button:hover{background:#fff;color:var(--ink)}

/* ───────── Notice strip ───────── */
.notice{background:#fff7f3;border-top:1px solid #f4d8c8;border-bottom:1px solid #f4d8c8}
.notice-inner{display:flex;align-items:center;gap:18px;padding:14px 0}
.notice-label{display:inline-flex;align-items:center;gap:8px;color:var(--red);font-weight:700;
  font-size:13px;flex-shrink:0}
.notice-label svg{width:18px;height:18px}
.notice-list{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}
.notice-item{font-size:13px;display:flex;gap:14px;align-items:baseline}
.notice-item .date{color:var(--ink-3);font-family:var(--font-en);font-size:12px;flex-shrink:0}
.notice-item a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--line);
  text-underline-offset:3px}
.notice-item a:hover{color:var(--orange);text-decoration-color:var(--orange)}
.notice-more{color:var(--ink-2);font-size:12px;font-weight:600;display:inline-flex;align-items:center;gap:4px;flex-shrink:0}
.notice-more:hover{color:var(--orange)}

/* ───────── Section base ───────── */
.section{padding:80px 0}
.section.tight{padding:64px 0}
.section.dark{background:var(--bg-dark);color:#fff}
.section.soft{background:var(--bg-soft)}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:36px;
  flex-wrap:wrap;gap:16px}
.sec-title{display:flex;flex-direction:column;gap:6px}
.sec-en{font-family:var(--font-en);font-size:13px;letter-spacing:.24em;color:var(--orange);
  text-transform:uppercase;font-weight:500}
.sec-jp{font-family:var(--font-display-jp);font-size:34px;font-weight:700;letter-spacing:.02em;margin:0;line-height:1.2}
.section.dark .sec-en{color:var(--orange)}
.section.dark .sec-jp{color:#fff}
.sec-link{display:inline-flex;align-items:center;gap:10px;padding:12px 20px;border:1px solid var(--ink);
  border-radius:999px;font-size:13px;font-weight:600;transition:all .15s}
.section.dark .sec-link{border-color:rgba(255,255,255,.5);color:#fff}
.sec-link:hover{background:var(--ink);color:#fff}
.section.dark .sec-link:hover{background:#fff;color:var(--ink)}
.sec-link .arr{width:6px;height:6px;border-top:2px solid currentColor;border-right:2px solid currentColor;
  transform:rotate(45deg)}

/* ───────── News & Topics ───────── */
.news-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:0;border-top:1px solid var(--line)}
.news-tabs{display:flex;gap:0;margin-bottom:24px;border-bottom:1px solid var(--line)}
.news-tab{padding:14px 22px;font-size:13.5px;font-weight:600;color:var(--ink-3);background:transparent;
  border:0;border-bottom:3px solid transparent;margin-bottom:-1px;transition:all .15s}
.news-tab.is-active{color:var(--ink);border-color:var(--orange)}
.news-tab:hover{color:var(--ink)}

.news-list{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:8px}
.news-card{display:flex;flex-direction:column;cursor:pointer;text-decoration:none;color:inherit}
.news-thumb{aspect-ratio:16/10;background:#eee;border-radius:4px;overflow:hidden;position:relative;
  margin-bottom:14px;transition:transform .25s}
.news-card:hover .news-thumb{transform:translateY(-3px)}
.news-thumb svg{width:100%;height:100%;display:block}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px;font-size:11.5px}
.news-date{font-family:var(--font-en);color:var(--ink-3);letter-spacing:.06em}
.news-cat{padding:2px 9px;border-radius:3px;background:var(--bg-soft);color:var(--ink-2);font-weight:600;
  letter-spacing:.04em}
.news-cat.alert{background:#fff1e8;color:var(--orange-dark)}
.news-cat.event{background:#e9f4ee;color:var(--green)}
.news-cat.media{background:#eef2fb;color:#2c5cb8}
.news-headline{font-size:14px;font-weight:600;line-height:1.55;margin:0;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-headline{color:var(--orange)}

/* ───────── Pickup ───────── */
.pickup-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pickup-card{position:relative;border-radius:6px;overflow:hidden;aspect-ratio:4/5;
  display:flex;flex-direction:column;justify-content:flex-end;color:#fff;cursor:pointer}
.pickup-bg{position:absolute;inset:0;transition:transform .5s}
.pickup-card:hover .pickup-bg{transform:scale(1.04)}
.pickup-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 30%,rgba(0,0,0,.85) 100%)}
.pickup-inner{position:relative;padding:28px;z-index:2}
.pickup-cat{display:inline-block;padding:4px 10px;background:var(--orange);font-size:10.5px;
  font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-family:var(--font-en);
  border-radius:2px;margin-bottom:14px}
.pickup-title{font-family:var(--font-display-jp);font-size:22px;font-weight:700;line-height:1.35;margin:0 0 8px;text-wrap:balance}
.pickup-sub{font-size:12.5px;opacity:.88;margin:0}
.pickup-arr{position:absolute;top:24px;right:24px;width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.2);backdrop-filter:blur(6px);display:grid;place-items:center;
  transition:background .2s;z-index:2}
.pickup-card:hover .pickup-arr{background:var(--orange)}

/* ───────── Services grid ───────── */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.svc-tile{background:#fff;border:1px solid var(--line);border-radius:4px;padding:24px;
  display:flex;flex-direction:column;gap:16px;cursor:pointer;transition:all .2s;min-height:200px}
.svc-tile:hover{border-color:var(--orange);box-shadow:0 8px 30px rgba(235,85,5,.08);transform:translateY(-2px)}
.svc-icon{width:48px;height:48px;display:grid;place-items:center;color:var(--orange)}
.svc-icon svg{width:100%;height:100%}
.svc-name{font-size:17px;font-weight:700;margin:0;letter-spacing:.02em}
.svc-name small{display:block;font-family:var(--font-en);font-size:10.5px;letter-spacing:.18em;
  color:var(--ink-3);text-transform:uppercase;margin-top:4px;font-weight:500}
.svc-desc{font-size:12.5px;color:var(--ink-2);line-height:1.6;margin:0;flex:1}
.svc-foot{display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:600;color:var(--orange)}
.svc-foot .arr{width:22px;height:22px;border:1px solid var(--orange);border-radius:50%;
  display:grid;place-items:center;font-size:10px;transition:all .2s}
.svc-tile:hover .svc-foot .arr{background:var(--orange);color:#fff}

/* ───────── About mosaic ───────── */
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(2,260px);gap:12px}
.mosaic-card{position:relative;border-radius:4px;overflow:hidden;cursor:pointer;color:#fff;
  display:flex;flex-direction:column;justify-content:flex-end;padding:22px}
.mosaic-card .bg{position:absolute;inset:0;transition:transform .5s}
.mosaic-card:hover .bg{transform:scale(1.05)}
.mosaic-card .bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.1) 0%,rgba(0,0,0,.75) 100%)}
.mosaic-card>*{position:relative;z-index:2}
.mosaic-card .en{font-family:var(--font-en);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;opacity:.85;margin-bottom:6px}
.mosaic-card .jp{font-size:20px;font-weight:700;margin:0;letter-spacing:.02em;line-height:1.3}
.mosaic-card.feat{grid-row:span 2;padding:32px}
.mosaic-card.feat .jp{font-size:28px}
.mosaic-card.wide{grid-column:span 2}

/* ───────── Banner / CTA ───────── */
.cta-band{background:linear-gradient(110deg,#0d3a23 0%,#0F6E3D 60%,#15924f 100%);color:#fff;
  position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 85% 50%,rgba(184,137,58,.25),transparent 50%)}
.cta-inner{position:relative;display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;
  padding:64px 0}
.cta-eyebrow{font-family:var(--font-en);font-size:12px;letter-spacing:.24em;color:#F0B86C;
  text-transform:uppercase;margin-bottom:14px}
.cta-h{font-family:var(--font-display-jp);font-size:38px;font-weight:700;line-height:1.25;margin:0 0 16px;text-wrap:balance}
.cta-p{font-size:14.5px;line-height:1.8;opacity:.9;margin:0 0 24px;max-width:520px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;background:#fff;color:var(--ink);
  border-radius:999px;font-size:13.5px;font-weight:600}
.cta-btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.cta-art{position:relative;height:280px}

/* ───────── Quicklinks ───────── */
.qlinks{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line)}
.qlink{background:#fff;padding:24px 18px;display:flex;flex-direction:column;align-items:center;
  gap:10px;text-align:center;transition:background .15s}
.qlink:hover{background:#fff7f3}
.qlink svg{width:32px;height:32px;color:var(--orange)}
.qlink span{font-size:12px;font-weight:600;color:var(--ink);line-height:1.4}

/* ───────── Footer ───────── */
.foot{background:#1a1a1a;color:#cfcfcf;font-size:12.5px}
.foot a{color:#cfcfcf}
.foot a:hover{color:#fff}
.foot-top{padding:56px 0 32px;border-bottom:1px solid #2a2a2a}
.foot-top .wrap{display:grid;grid-template-columns:1.2fr 3fr;gap:48px}
.foot-brand .brand-mark{width:54px;height:54px;font-size:28px}
.foot-brand .brand-jp{color:#fff;font-size:17px}
.foot-brand p{margin:18px 0 22px;color:#9a9a9a;line-height:1.7;font-size:12px;max-width:280px}
.foot-social{display:flex;gap:10px}
.foot-social a{width:36px;height:36px;border-radius:50%;border:1px solid #333;display:grid;place-items:center;color:#cfcfcf}
.foot-social a:hover{background:var(--orange);border-color:var(--orange);color:#fff}
.foot-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.foot-col h5{margin:0 0 14px;color:#fff;font-size:13px;font-weight:700;letter-spacing:.04em}
.foot-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.foot-col li{font-size:12.5px}
.foot-bot{padding:20px 0;display:flex;align-items:center;justify-content:space-between;color:#7a7a7a;font-size:11.5px}
.foot-bot .links{display:flex;gap:18px}

/* small */
@media (max-width:980px){
  .hero-title{font-size:34px}
  .news-list,.pickup-grid,.svc-grid{grid-template-columns:repeat(2,1fr)}
  .mosaic{grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(4,220px)}
  .mosaic-card.feat{grid-row:span 2}
  .mosaic-card.wide{grid-column:span 2}
  .cta-inner{grid-template-columns:1fr}
  .qlinks{grid-template-columns:repeat(3,1fr)}
  .hdr-inner{height:62px}
  .nav{display:none}
  .foot-top .wrap{grid-template-columns:1fr}
  .foot-cols{grid-template-columns:repeat(2,1fr)}
}