/* Layout: one 1120px column on warm paper; pastel 태극 red/blue; faint 사괘 (건곤감리) tiled behind every page and large in the hero corners */
:root{
  --bg:#FAF8F5; --surface:#FFFFFF; --ink:#1F2A44; --muted:#5D667A; --line:#E4E1DC;
  --red:#C8434F; --blue:#2F5BA6; --red-p:#F6D3D6; --blue-p:#D3E0F3; --red-pp:#FBEDEE; --blue-pp:#ECF2FA;
  --accent:#2F5BA6; --accent-ink:#FFFFFF; --ok:#2E8B57; --stage:#EEF2F8; --gwae:rgba(31,42,68,.055);
  --flag:linear-gradient(90deg,#E9A3AA 0 50%,#9DB5E0 50% 100%);
  --display:'Gowun Batang','Noto Serif KR',Georgia,serif;
  --body:'IBM Plex Sans KR',system-ui,-apple-system,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
  --r:14px; color-scheme:light;
  --gwae-tile:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%22560%22%20height%3D%22560%22%20viewBox%3D%220%200%20560%20560%22%3E%3Cg%20transform%3D%22rotate%28-33%20120%20120%29%22%3E%3Crect%20x%3D%2272%22%20y%3D%2278%22%20width%3D%2296%22%20height%3D%2219%22/%3E%3Crect%20x%3D%2272%22%20y%3D%22110%22%20width%3D%2296%22%20height%3D%2219%22/%3E%3Crect%20x%3D%2272%22%20y%3D%22143%22%20width%3D%2296%22%20height%3D%2219%22/%3E%3C/g%3E%3Cg%20transform%3D%22rotate%2833%20440%20120%29%22%3E%3Crect%20x%3D%22392%22%20y%3D%2278%22%20width%3D%2242%22%20height%3D%2219%22/%3E%3Crect%20x%3D%22446%22%20y%3D%2278%22%20width%3D%2242%22%20height%3D%2219%22/%3E%3Crect%20x%3D%22392%22%20y%3D%22110%22%20width%3D%2296%22%20height%3D%2219%22/%3E%3Crect%20x%3D%22392%22%20y%3D%22143%22%20width%3D%2242%22%20height%3D%2219%22/%3E%3Crect%20x%3D%22446%22%20y%3D%22143%22%20width%3D%2242%22%20height%3D%2219%22/%3E%3C/g%3E%3Cg%20transform%3D%22rotate%2833%20120%20440%29%22%3E%3Crect%20x%3D%2272%22%20y%3D%22398%22%20width%3D%2296%22%20height%3D%2219%22/%3E%3Crect%20x%3D%2272%22%20y%3D%22430%22%20width%3D%2242%22%20height%3D%2219%22/%3E%3Crect%20x%3D%22126%22%20y%3D%22430%22%20width%3D%2242%22%20height%3D%2219%22/%3E%3Crect%20x%3D%2272%22%20y%3D%22463%22%20width%3D%2296%22%20height%3D%2219%22/%3E%3C/g%3E%3Cg%20transform%3D%22rotate%28-33%20440%20440%29%22%3E%3Crect%20x%3D%22392%22%20y%3D%22398%22%20width%3D%2242%22%20height%3D%2219%22/%3E%3Crect%20x%3D%22446%22%20y%3D%22398%22%20width%3D%2242%22%20height%3D%2219%22/%3E%3Crect%20x%3D%22392%22%20y%3D%22430%22%20width%3D%2242%22%20height%3D%2219%22/%3E%3Crect%20x%3D%22446%22%20y%3D%22430%22%20width%3D%2242%22%20height%3D%2219%22/%3E%3Crect%20x%3D%22392%22%20y%3D%22463%22%20width%3D%2242%22%20height%3D%2219%22/%3E%3Crect%20x%3D%22446%22%20y%3D%22463%22%20width%3D%2242%22%20height%3D%2219%22/%3E%3C/g%3E%3C/svg%3E"); --gwae-corners:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%221200%22%20height%3D%22600%22%20viewBox%3D%220%200%201200%20600%22%20preserveAspectRatio%3D%22none%22%3E%3Cg%20transform%3D%22rotate%28-33%20130%20120%29%22%3E%3Crect%20x%3D%2255%22%20y%3D%2254%22%20width%3D%22150%22%20height%3D%2230%22/%3E%3Crect%20x%3D%2255%22%20y%3D%22105%22%20width%3D%22150%22%20height%3D%2230%22/%3E%3Crect%20x%3D%2255%22%20y%3D%22156%22%20width%3D%22150%22%20height%3D%2230%22/%3E%3C/g%3E%3Cg%20transform%3D%22rotate%2833%201070%20120%29%22%3E%3Crect%20x%3D%22995%22%20y%3D%2254%22%20width%3D%2266%22%20height%3D%2230%22/%3E%3Crect%20x%3D%221079%22%20y%3D%2254%22%20width%3D%2266%22%20height%3D%2230%22/%3E%3Crect%20x%3D%22995%22%20y%3D%22105%22%20width%3D%22150%22%20height%3D%2230%22/%3E%3Crect%20x%3D%22995%22%20y%3D%22156%22%20width%3D%2266%22%20height%3D%2230%22/%3E%3Crect%20x%3D%221079%22%20y%3D%22156%22%20width%3D%2266%22%20height%3D%2230%22/%3E%3C/g%3E%3Cg%20transform%3D%22rotate%2833%20130%20480%29%22%3E%3Crect%20x%3D%2255%22%20y%3D%22414%22%20width%3D%22150%22%20height%3D%2230%22/%3E%3Crect%20x%3D%2255%22%20y%3D%22465%22%20width%3D%2266%22%20height%3D%2230%22/%3E%3Crect%20x%3D%22139%22%20y%3D%22465%22%20width%3D%2266%22%20height%3D%2230%22/%3E%3Crect%20x%3D%2255%22%20y%3D%22516%22%20width%3D%22150%22%20height%3D%2230%22/%3E%3C/g%3E%3Cg%20transform%3D%22rotate%28-33%201070%20480%29%22%3E%3Crect%20x%3D%22995%22%20y%3D%22414%22%20width%3D%2266%22%20height%3D%2230%22/%3E%3Crect%20x%3D%221079%22%20y%3D%22414%22%20width%3D%2266%22%20height%3D%2230%22/%3E%3Crect%20x%3D%22995%22%20y%3D%22465%22%20width%3D%2266%22%20height%3D%2230%22/%3E%3Crect%20x%3D%221079%22%20y%3D%22465%22%20width%3D%2266%22%20height%3D%2230%22/%3E%3Crect%20x%3D%22995%22%20y%3D%22516%22%20width%3D%2266%22%20height%3D%2230%22/%3E%3Crect%20x%3D%221079%22%20y%3D%22516%22%20width%3D%2266%22%20height%3D%2230%22/%3E%3C/g%3E%3C/svg%3E");
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#121826; --surface:#1A2234; --ink:#ECEFF5; --muted:#A3ACBF; --line:#2A3448;
  --red:#F09AA2; --blue:#9DB8EC; --red-p:#3B2430; --blue-p:#1E2F4F; --red-pp:#1E1A26; --blue-pp:#161F33;
  --accent:#9DB8EC; --accent-ink:#121826; --ok:#6FD39B; --stage:#1A2234; --gwae:rgba(236,239,245,.05); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#121826; --surface:#1A2234; --ink:#ECEFF5; --muted:#A3ACBF; --line:#2A3448;
  --red:#F09AA2; --blue:#9DB8EC; --red-p:#3B2430; --blue-p:#1E2F4F; --red-pp:#1E1A26; --blue-pp:#161F33;
  --accent:#9DB8EC; --accent-ink:#121826; --ok:#6FD39B; --stage:#1A2234; --gwae:rgba(236,239,245,.05); color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.7 var(--body);word-break:keep-all}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:var(--gwae);-webkit-mask:var(--gwae-tile) 0 0/560px 560px repeat;mask:var(--gwae-tile) 0 0/560px 560px repeat}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
h1,h2,h3{font-family:var(--display);line-height:1.25;text-wrap:balance;margin:0;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.8vw,3.4rem);font-weight:700}
h2{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:700}
h3{font-size:1.14rem;font-weight:700}
p{margin:0}
.wrap{max-width:1120px;margin:0 auto;padding-inline:20px}
.eyebrow{font-family:inherit;font-weight:700;font-size:.86rem;line-height:1.2;letter-spacing:.06em;text-transform:uppercase;color:var(--ink)}
.lead{font-size:1.12rem;color:var(--muted);max-width:60ch}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* header */
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px)}
.site-head::after{content:"";display:block;height:3px;background:var(--flag)}
.head-row{display:flex;align-items:center;gap:16px;min-height:72px}
.brand{flex-shrink:0;display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font:700 1.3rem/1 var(--display)}
.brand img{width:49px;height:49px;border-radius:50%;background:#fff}
.nav{display:flex;gap:2px;margin-left:auto;align-items:center;flex-wrap:nowrap}
.site-head .wrap{max-width:1320px}
.nav a{color:var(--ink);text-decoration:none;padding:8px 9px;border-radius:8px;font-size:.94rem;font-weight:700;white-space:nowrap}
.nav a:hover{background:var(--line)}
.nav a[aria-current="page"]{color:var(--accent);font-weight:700}
.nav a.btn[aria-current="page"]{color:var(--accent-ink)}
.nav a.btn{font-weight:700}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;font:600 .8rem/1 var(--mono)}
.lang a{padding:7px 10px;text-decoration:none;color:var(--muted)}
.lang a[aria-current="true"]{background:var(--ink);color:var(--bg)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:999px;border:1.5px solid var(--ink);background:transparent;color:var(--ink);font:600 .98rem/1 var(--body);text-decoration:none;cursor:pointer}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.small{padding:8px 14px;font-size:.88rem}
.btn:hover{filter:brightness(1.08)}
.menu{display:none;margin-left:auto}
.menu summary{list-style:none;cursor:pointer;padding:8px 12px;border:1px solid var(--line);border-radius:10px;font-weight:600}
.menu summary::-webkit-details-marker{display:none}
.menu[open] .menu-panel{display:flex}
.menu-panel{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);padding:8px 20px 16px}
.menu-panel a{padding:12px 4px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;font-weight:700}
.menu-panel a[aria-current="page"]{color:var(--accent)}
@media (max-width:1320px){.nav{display:none}.menu{display:block}.head-row .lang{margin-left:8px}}
.menu summary{white-space:nowrap}
.lang-in-menu{display:none;align-self:flex-start;margin-top:12px}
.menu-panel .lang-in-menu a{border-bottom:0;padding:8px 12px;font-size:inherit;font-weight:inherit}
@media (max-width:640px){.head-row > .lang{display:none}.lang-in-menu{display:flex}}

/* sections */
main{display:block}
.section{padding-block:72px}
.section.tight{padding-block:40px}
.section.alt{background:linear-gradient(180deg,var(--blue-pp),var(--red-pp));border-block:1px solid var(--line)}
.stack{display:flex;flex-direction:column;gap:16px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.row>*{min-width:0}
.row.flip>:first-child{order:2}
@media (max-width:820px){.row{grid-template-columns:1fr;gap:28px}.row.flip>:first-child{order:0}}
.figure{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--surface)}

/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--blue-p),var(--bg) 52%,var(--red-p));color:var(--ink)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;background:var(--gwae);opacity:1.6;-webkit-mask:var(--gwae-corners) center/100% 100% no-repeat;mask:var(--gwae-corners) center/100% 100% no-repeat}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:24px;padding-block:56px 64px}
.hero-art{border-radius:18px;overflow:hidden;box-shadow:0 24px 60px rgba(31,42,68,.18);border:1px solid var(--line)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-facts{display:flex;gap:28px;flex-wrap:wrap;margin-top:8px}
.hero-facts div{display:flex;flex-direction:column}
.hero-facts b{font:700 1.7rem/1.1 var(--display)}
.hero-facts span{font-size:.85rem;color:var(--muted)}
@media (max-width:820px){.hero .wrap{grid-template-columns:1fr}}

/* 음양 stones & team legend */
.st{display:inline-block;width:1.15em;height:1.15em;border-radius:50%;vertical-align:-.2em;box-shadow:inset -2px -3px 4px rgba(0,0,0,.25),0 0 0 1px rgba(0,0,0,.18)}
.st.w1{background:radial-gradient(circle at 35% 30%,#fff,#c3c6cf)}
.st.b1{background:radial-gradient(circle at 35% 30%,#6a6a72,#050505)}
.st.r2{background:radial-gradient(circle at 35% 30%,#F08A92,#9E1A2A)}
.st.u2{background:radial-gradient(circle at 35% 30%,#8FB0E8,#173E8C)}
.teams{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:560px){.teams{grid-template-columns:1fr}}
.team-card{border-radius:var(--r);padding:16px 18px;display:flex;flex-direction:column;gap:10px;border:1px solid var(--line)}
.team-card.yang{background:var(--red-pp);border-top:4px solid var(--red)}
.team-card.yin{background:var(--blue-pp);border-top:4px solid var(--blue)}
.team-card h3{display:flex;align-items:center;gap:10px}
.team-card .hanja{font:700 1.6rem/1 var(--display)}
.team-card.yang .hanja{color:var(--red)}.team-card.yin .hanja{color:var(--blue)}
.team-card dl{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;margin:0;align-items:center}
.team-card dt{font:600 .78rem/1 var(--mono);letter-spacing:.06em;color:var(--muted)}
.team-card dd{margin:0;display:flex;align-items:center;gap:8px;font-weight:600}
.gwae-row{display:flex;gap:10px;align-items:center}
.gwae-row i{width:22px;height:22px;background:currentColor;opacity:.35;display:inline-block}
.gwae-row .geon{-webkit-mask:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%20100%20100%22%3E%3Cg%20transform%3D%22rotate%280%2050%2050%29%22%3E%3Crect%20x%3D%2210%22%20y%3D%2215%22%20width%3D%2280%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2242%22%20width%3D%2280%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2269%22%20width%3D%2280%22%20height%3D%2216%22/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%20100%20100%22%3E%3Cg%20transform%3D%22rotate%280%2050%2050%29%22%3E%3Crect%20x%3D%2210%22%20y%3D%2215%22%20width%3D%2280%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2242%22%20width%3D%2280%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2269%22%20width%3D%2280%22%20height%3D%2216%22/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat}
.gwae-row .gon{-webkit-mask:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%20100%20100%22%3E%3Cg%20transform%3D%22rotate%280%2050%2050%29%22%3E%3Crect%20x%3D%2210%22%20y%3D%2215%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2255%22%20y%3D%2215%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2242%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2255%22%20y%3D%2242%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2269%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2255%22%20y%3D%2269%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%20100%20100%22%3E%3Cg%20transform%3D%22rotate%280%2050%2050%29%22%3E%3Crect%20x%3D%2210%22%20y%3D%2215%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2255%22%20y%3D%2215%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2242%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2255%22%20y%3D%2242%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2269%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2255%22%20y%3D%2269%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat}
.gwae-row .gam{-webkit-mask:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%20100%20100%22%3E%3Cg%20transform%3D%22rotate%280%2050%2050%29%22%3E%3Crect%20x%3D%2210%22%20y%3D%2215%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2255%22%20y%3D%2215%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2242%22%20width%3D%2280%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2269%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2255%22%20y%3D%2269%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%20100%20100%22%3E%3Cg%20transform%3D%22rotate%280%2050%2050%29%22%3E%3Crect%20x%3D%2210%22%20y%3D%2215%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2255%22%20y%3D%2215%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2242%22%20width%3D%2280%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2269%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2255%22%20y%3D%2269%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat}
.gwae-row .ri{-webkit-mask:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%20100%20100%22%3E%3Cg%20transform%3D%22rotate%280%2050%2050%29%22%3E%3Crect%20x%3D%2210%22%20y%3D%2215%22%20width%3D%2280%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2242%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2255%22%20y%3D%2242%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2269%22%20width%3D%2280%22%20height%3D%2216%22/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%20100%20100%22%3E%3Cg%20transform%3D%22rotate%280%2050%2050%29%22%3E%3Crect%20x%3D%2210%22%20y%3D%2215%22%20width%3D%2280%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2242%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2255%22%20y%3D%2242%22%20width%3D%2235%22%20height%3D%2216%22/%3E%3Crect%20x%3D%2210%22%20y%3D%2269%22%20width%3D%2280%22%20height%3D%2216%22/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat}


/* page head */
.page-head{padding-block:56px 32px;border-bottom:1px solid var(--line)}
.page-head .stack{max-width:760px}

/* cards & lists */
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;display:flex;flex-direction:column;gap:10px;min-width:0}
.card .num{font:600 1.15rem/1.2 var(--mono);color:var(--ink)}
.tag{display:inline-block;align-self:flex-start;font:600 .72rem/1 var(--mono);letter-spacing:.08em;padding:6px 9px;border-radius:999px;background:var(--line);color:var(--ink)}
.tag.kr{background:var(--blue-p);color:var(--blue)}
.tag.us{background:var(--red-p);color:var(--red)}
.muted{color:var(--muted)}
.rules{display:grid;gap:14px;counter-reset:r;padding:0;margin:0;list-style:none}
.rules li{counter-increment:r;display:grid;grid-template-columns:40px 1fr;gap:14px;align-items:start}
.rules li::before{content:counter(r);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--blue-p);color:var(--blue);font:700 .95rem/1 var(--mono)}
.timeline{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.timeline li{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:10px 0 10px 20px;position:relative}
.timeline li::before{content:"";position:absolute;left:-7px;top:18px;width:12px;height:12px;border-radius:50%;background:linear-gradient(180deg,var(--red) 50%,var(--blue) 50%)}
.timeline time{font:600 .9rem/1.6 var(--mono);color:var(--muted)}
@media (max-width:520px){.timeline li{grid-template-columns:1fr;gap:2px}}
.team{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.person{border-top:3px solid var(--blue-p);padding-top:12px}
.person .role{font:600 .78rem/1 var(--mono);letter-spacing:.1em;color:var(--muted)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.95rem}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{font:600 .8rem/1.4 var(--mono);letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
tr:last-child td{border-bottom:0}
.news a{color:var(--ink);text-decoration:none}
.news a:hover h3{text-decoration:underline}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq details p{margin-top:10px;color:var(--muted)}
.product img{aspect-ratio:1/1;object-fit:cover;border-radius:10px;background:var(--bg)}
.notice{border:1px dashed var(--line);border-radius:var(--r);padding:16px 18px;color:var(--muted);font-size:.95rem}
form.contact{display:grid;gap:14px}
label{display:grid;gap:6px;font-weight:600;font-size:.92rem}
input,select,textarea{font:inherit;padding:11px 12px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink);width:100%}
.copy{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.copy code{font-family:var(--mono);background:var(--bg);border:1px solid var(--line);padding:8px 10px;border-radius:8px;user-select:all}

/* footer */
.site-foot{border-top:1px solid var(--line);padding-block:40px;font-size:.9rem;color:var(--muted)}
.foot-row{display:flex;flex-wrap:wrap;gap:24px 48px;justify-content:space-between}
.foot-row a{color:var(--muted)}
.foot-links{display:flex;gap:14px;flex-wrap:wrap}

/* game app */
.app{padding-block:20px 48px}
.app-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:14px}
.app-bar .group{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.app-bar select{width:auto;padding:8px 10px}
.status{display:flex;gap:14px;align-items:center;flex-wrap:wrap;font-size:.95rem}
.turn-dot{width:18px;height:18px;border-radius:50%;display:inline-block;border:2px solid var(--muted);vertical-align:-3px}
.turn-dot.yin{background:linear-gradient(90deg,#111 50%,#2F5BA6 50%)}.turn-dot.yang{background:linear-gradient(90deg,#fff 50%,#C8434F 50%)}
.board-area{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:16px;align-items:start}
@media (max-width:860px){.board-area{grid-template-columns:1fr}}
.view3d{position:relative;background:var(--stage);border:1px solid var(--line);border-radius:var(--r);min-height:200px;overflow:hidden}
.view3d canvas{width:100%;height:100%;display:block}
.view3d .rot{position:absolute;right:12px;bottom:12px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:1.3rem;cursor:pointer}
.view3d .hint{position:absolute;left:14px;top:12px;font:600 .75rem/1.3 var(--mono);color:var(--muted);letter-spacing:.06em}
.flat{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.flat figure{margin:0;display:flex;flex-direction:column;gap:6px;min-width:0}
.flat figcaption{font:600 .8rem/1 var(--mono);letter-spacing:.06em}
.flat figcaption{display:flex;align-items:center;gap:6px;color:var(--muted)}
.flat canvas{width:100%;aspect-ratio:1/1;border-radius:10px;cursor:pointer;touch-action:manipulation;background:var(--surface)}
.side{display:flex;flex-direction:column;gap:12px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.lesson{border-left:4px solid var(--accent)}
.lesson.done{border-left-color:var(--ok)}
.msg{min-height:1.7em;font-weight:600}
.msg.ok{color:var(--ok)}
.score{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-variant-numeric:tabular-nums}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* rules notice before play */
.modal{position:fixed;inset:0;z-index:50;display:flex;padding:calc(16px + env(safe-area-inset-top,0px)) 16px calc(16px + env(safe-area-inset-bottom,0px));background:rgba(18,24,38,.45);overflow-y:auto}
.modal-card{margin:auto;background:var(--surface);color:var(--ink);border-radius:18px;max-width:640px;width:100%;padding:24px;display:flex;flex-direction:column;gap:16px;box-shadow:0 30px 80px rgba(0,0,0,.25);position:relative;overflow:hidden}
.modal-card::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:var(--flag)}
.notice-strong{border:1px solid var(--line);border-left:4px solid var(--red);background:var(--red-pp);border-radius:10px;padding:12px 14px;font-weight:600}

/* chairman's message */
.greeting{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:48px;align-items:start}
@media (max-width:820px){.greeting{grid-template-columns:1fr;gap:28px}}
.greet-photo{margin:0;display:flex;flex-direction:column;gap:10px;max-width:320px}
.greet-photo img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:16px;border:1px solid var(--line);box-shadow:0 18px 40px rgba(31,42,68,.12);background:var(--blue-pp)}
.greet-photo figcaption{display:flex;flex-direction:column;gap:2px}
.greet-photo figcaption strong{font:700 1.15rem/1.3 var(--display)}
.greet-photo figcaption span{color:var(--muted);font-size:.92rem}
.greet-text{max-width:66ch}
.greet-text p{line-height:1.85}
.greet-sign{font:700 1.08rem/1.4 var(--display);text-align:right;padding-top:8px;border-top:1px solid var(--line)}
.lang a{white-space:nowrap}

/* shop */
.shop-nav{display:flex;flex-direction:column;gap:10px;padding-block:28px 0}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;font-weight:600;font-size:.92rem}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.shop-note{font-size:.88rem}
.shop-cat{padding-block:40px}
.shop-cat + .shop-cat{border-top:1px solid var(--line)}
.product-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
@media (max-width:520px){.product-grid{grid-template-columns:1fr 1fr;gap:12px}.product-grid .card{padding:10px}.product-grid .card .btn{padding:7px 10px;font-size:.8rem}}
.product-grid .card{padding:14px;gap:8px}
.product-grid .card h3{font-size:1.02rem}
.product-grid .card .btn{align-self:flex-start;margin-top:auto}
html{scroll-behavior:smooth;scroll-padding-top:90px}

/* shop commerce */
.shop-tools{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cur{display:flex;align-items:center;gap:8px;font-weight:600;font-size:.9rem}
.cur select{width:auto;padding:8px 10px}
#shop-list .shop-cat{padding-block:32px;border-top:1px solid var(--line)}
#shop-list .shop-cat h2{margin-bottom:18px}
.price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;margin-top:auto}
.price strong{font:700 1.15rem/1.2 var(--mono);color:var(--ink)}
.price-sub{font:500 .82rem/1 var(--mono);color:var(--muted)}
.product-grid .card .btn{margin-top:4px}
.cart-fab{position:fixed;right:max(16px,env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:40;border:0;border-radius:999px;padding:14px 20px;font:700 1rem/1 var(--body);color:#fff;background:linear-gradient(90deg,#C8434F,#2F5BA6);box-shadow:0 12px 30px rgba(31,42,68,.3);cursor:pointer}
.cart-fab span{display:inline-grid;place-items:center;min-width:24px;height:24px;margin-left:6px;border-radius:12px;background:#fff;color:var(--ink);font-size:.85rem}
.shop-toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + env(safe-area-inset-bottom,0px));z-index:41;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;font-weight:600;max-width:calc(100% - 32px)}
.cart-card{max-width:760px;gap:14px}
.cart-head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.cart-line{display:grid;grid-template-columns:64px minmax(0,1fr) auto auto;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.cart-line img{width:64px;height:64px;border-radius:10px;object-fit:cover}
.qty{display:flex;align-items:center;gap:6px}.qty button{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;font-size:1rem}
.linkish{border:0;background:none;color:var(--muted);text-decoration:underline;cursor:pointer;font:inherit;font-size:.85rem}
.cart-sum{display:grid;gap:4px}.cart-sum div{display:flex;justify-content:space-between;gap:12px}
.cart-sum .grand{font-size:1.15rem;border-top:1px solid var(--line);padding-top:8px}.cart-sum b{font-family:var(--mono)}
.co-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.co-grid .span2{grid-column:1/-1}
@media (max-width:560px){.co-grid{grid-template-columns:1fr}.cart-line{grid-template-columns:56px minmax(0,1fr);}.cart-line img{width:56px;height:56px}}
.pay-methods{border:1px solid var(--line);border-radius:12px;padding:12px;margin:0}
.pay-methods legend{font-weight:700;padding:0 6px}
#co-methods{display:flex;flex-wrap:wrap;gap:8px}
.pay-opt{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-weight:600;cursor:pointer;background:var(--surface)}
.pay-opt input{width:auto}.pay-opt:has(input:checked){border-color:var(--blue);background:var(--blue-pp)}.pay-opt:has(input:disabled){opacity:.45;cursor:not-allowed}
.check-row{display:flex;gap:8px;align-items:flex-start;font-weight:500}.check-row input{width:auto;margin-top:5px}
.done{padding:12px 0;display:grid;gap:8px}.done .bank{font-family:var(--mono);background:var(--blue-pp);padding:12px;border-radius:10px}
.shop-info{display:grid;grid-template-columns:1fr 1fr;gap:40px}@media (max-width:820px){.shop-info{grid-template-columns:1fr}}
.seller{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:0;font-size:.9rem}.seller dt{color:var(--muted)}.seller dd{margin:0}
/* coin · NFT · tournament (v5) */
.checks{margin:0;padding-left:1.2em;display:grid;gap:8px}
.alloc{display:grid;gap:10px}
.ab-row{display:grid;grid-template-columns:minmax(150px,230px) 1fr minmax(120px,auto);gap:12px;align-items:center}
.ab-name{font-weight:600;font-size:.95rem}
.ab-bar{height:20px;background:var(--line);border-radius:6px;overflow:hidden}
.ab-bar i{display:block;height:100%;background:var(--muted);opacity:.55;border-radius:6px}
.ab-bar i.hi{background:linear-gradient(90deg,var(--red),var(--blue));opacity:1}
.ab-val{font-size:.9rem;color:var(--ink)}
@media (max-width:640px){.ab-row{grid-template-columns:1fr auto;row-gap:4px}.ab-bar{grid-column:1/-1;grid-row:2}}
.nft-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}
.nft-card{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.nft-card img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;display:block}
.nft-card figcaption{padding:12px 14px 16px;display:grid;gap:4px}
.nft-card figcaption .muted{font-size:.85rem}
.phases{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;counter-reset:none}
.phases li{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:8px}
.phases li:first-child{border:2px solid var(--blue)}
.ph-head{display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.ph-head span{color:var(--muted);font-size:.85rem}
.phases p{margin:0;font-size:.92rem}
.ph-gate{margin-top:auto;font-size:.82rem;font-weight:700;color:var(--blue)}
.risk{margin:0;padding-left:1.2em;display:grid;gap:8px;font-size:.95rem}
.notify{display:grid;gap:10px}
.notify label{font-weight:600}
.notify-row{display:flex;gap:8px;flex-wrap:wrap}
.notify-row input{flex:1 1 220px;min-width:0;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;background:var(--bg);color:var(--ink)}
.notify .check{display:flex;gap:8px;align-items:flex-start;font-weight:400;font-size:.88rem;color:var(--muted)}
.notify .check input{margin-top:4px}
.notify-msg{margin:0;font-size:.9rem;min-height:1.2em}
.notify-msg.ok{color:var(--blue);font-weight:600}
.notify-msg.err{color:var(--red);font-weight:600}
.promo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:28px;align-items:center;background:#120d06;color:#f6e7c1;border-radius:var(--r);overflow:hidden}
.promo img{width:100%;height:100%;object-fit:cover;display:block}
.promo .stack{padding:28px}
.promo h2{color:#ffe9b0}
.promo p{color:#e9dcc0}
.promo .eyebrow{color:#f0c75e}
@media (max-width:820px){.promo{grid-template-columns:1fr}}
.notify .check{display:grid;grid-template-columns:auto 1fr;gap:8px;align-items:start}
.notify .check input{width:18px;height:18px;margin:2px 0 0;padding:0;flex:none}
.nft-card .ed{font-weight:700;color:var(--blue)}