/* Shared primary action for briefings and membership. */
.briefing-button{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:62px;max-width:100%;padding:16px 36px;border:0;border-radius:999px;background:var(--vertical);color:#fff;font-family:inherit;font-size:17px;font-weight:700;line-height:1.5;letter-spacing:.06em;text-align:center;white-space:nowrap;cursor:pointer;transition:transform .2s,box-shadow .2s,filter .2s}
.briefing-label{display:block}
.briefing-mark{display:block;order:-1;flex:none;width:24px;height:24px;background:currentColor;-webkit-mask:url("/emo/assets/emo-link-mark.svg") center/contain no-repeat;mask:url("/emo/assets/emo-link-mark.svg") center/contain no-repeat;pointer-events:none}
.briefing-button:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 8px 24px #ea553224}
.briefing-button:active{transform:translateY(0)}
.briefing-button:focus-visible{outline:3px solid var(--ink);outline-offset:5px}
.header{gap:24px}
.header nav{margin-left:auto;gap:24px}
.header nav a{font-size:13px;letter-spacing:.07em}
.header-briefing{min-height:46px;flex:none;gap:8px;padding:11px 23px;border:0;background:var(--vertical);color:#fff;font-size:12px;letter-spacing:.03em}
.header-briefing .briefing-mark{width:18px;height:18px}
.header-briefing:hover{box-shadow:none;transform:none}
.briefing-invitation{text-align:center}
.system-briefing{margin:64px auto 0}
.system-briefing p{margin-bottom:22px;font-size:17px;letter-spacing:.06em}
.has-briefing .community-lead{padding-bottom:80px}
.closing-briefing{padding:32px 24px 120px;background:radial-gradient(ellipse 55% 90% at 50% 45%,#fff0e5 0%,#fff8f4 46%,#fff0 100%)}
.closing-briefing h2{font-size:32px;font-weight:900;line-height:1.6;letter-spacing:.06em;margin-bottom:30px}
.closing-briefing h2 span{display:inline-block}
.closing-briefing .briefing-button{min-width:340px}
.closing-briefing .direct-entry{margin-top:12px}
@media(max-width:1180px){
 .header{gap:20px}
 .header nav{display:none}
 .header-briefing{margin-left:auto}
 .menu-toggle{display:flex;width:40px;height:40px;flex:none;border:0;background:none;flex-direction:column;justify-content:center;gap:7px;padding:7px}
 .menu-toggle span{width:26px;height:2px;background:var(--ink)}
 .mobile-nav:not([hidden]){display:flex;position:fixed;top:120px;left:0;right:0;background:#fff;z-index:9;padding:22px 25px 30px;flex-direction:column;gap:15px;box-shadow:0 8px 12px #00000008}
}
@media(max-width:760px){
 .mobile-nav:not([hidden]){top:80px}
 .briefing-button{min-height:58px;padding:15px 24px;font-size:16px}
 .briefing-mark{width:22px;height:22px}
 .header{padding-inline:clamp(10px,3vw,20px);gap:clamp(5px,1.6vw,12px)}
 .header .brand{flex:0 1 clamp(110px,38vw,190px);min-width:0}
 .header .brand img{width:100%}
 .header .header-briefing{min-height:44px;padding:9px clamp(9px,2.6vw,16px);gap:5px;font-size:clamp(11px,3vw,13px)}
 .header .header-briefing .briefing-mark{width:16px;height:16px}
 .system-briefing{margin-top:44px}
 .system-briefing p{font-size:15px;margin-bottom:20px;letter-spacing:.03em}
 .has-briefing .community-lead{padding-bottom:60px}
 .closing-briefing{padding:16px 24px 80px}
 .closing-briefing h2{font-size:25px;letter-spacing:.03em;margin-bottom:26px}
 .closing-briefing .briefing-button{min-width:0;width:100%;max-width:340px}
}