/* ============================================================
   ACAEF — 亜細亜文化藝術交流基金会
   Shared stylesheet. Creandum-inspired minimal editorial style.
   ============================================================ */

:root{
  --bg:        #faf9f6;
  --bg-dark:   #0f0e0c;
  --ink:       #15130f;
  --ink-soft:  #5a554c;
  --line:      #e3ded3;
  --gold:      #c0922f;
  --gold-deep: #9c7320;
  --red:       #d6281b;
  --paper:     #ffffff;
  --maxw:      1280px;
  --ease:      cubic-bezier(.22,.61,.36,1);
  --serif:     "Cormorant Garamond","Noto Serif JP","Noto Serif SC",serif;
  --sans:      "Inter","Noto Sans JP","Noto Sans SC",system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ---------- language visibility ---------- */
[data-lang="ja"] .l-zh,[data-lang="ja"] .l-en{display:none!important}
[data-lang="zh"] .l-ja,[data-lang="zh"] .l-en{display:none!important}
[data-lang="en"] .l-ja,[data-lang="en"] .l-zh{display:none!important}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,64px)}
section{position:relative}
.eyebrow{
  font-size:12px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--gold-deep);font-weight:600;margin-bottom:22px;
}
.lead{font-size:clamp(15px,1.4vw,18px);color:var(--ink-soft);max-width:62ch}

h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:.01em;line-height:1.12}
.l-ja h1,.l-ja h2,.l-ja h3,.l-zh h1,.l-zh h2,.l-zh h3{letter-spacing:.04em;line-height:1.3}

/* ---------- header / nav ---------- */
.nav{
  position:fixed;top:0;left:0;width:100%;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(20px,5vw,64px);
  transition:background .4s var(--ease),box-shadow .4s var(--ease),padding .4s var(--ease);
}
.nav.solid{background:rgba(250,249,246,.88);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line);padding-top:12px;padding-bottom:12px}
.nav__brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-size:18px;letter-spacing:.06em}
.nav__brand img{height:34px;width:auto}
.nav__brand b{font-weight:600}
.nav__links{display:flex;align-items:center;gap:clamp(14px,2vw,34px)}
.nav__links a{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);transition:color .25s}
.nav__links a:hover,.nav__links a.active{color:var(--ink)}
.langsw{display:flex;align-items:center;gap:2px;border:1px solid var(--line);border-radius:999px;padding:3px;background:var(--paper)}
.langsw button{
  border:0;background:transparent;cursor:pointer;font-family:var(--sans);
  font-size:11px;letter-spacing:.08em;padding:5px 11px;border-radius:999px;color:var(--ink-soft);transition:.25s;
}
.langsw button.on{background:var(--ink);color:#fff}
.nav__menu-btn{display:none;background:none;border:0;cursor:pointer;font-size:13px;letter-spacing:.12em;text-transform:uppercase}

/* ---------- hero (dark, globe showing through) ---------- */
.hero{
  min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  padding-top:120px;padding-bottom:80px;position:relative;overflow:hidden;
  background:radial-gradient(120% 90% at 50% 42%,#161410 0%,#0b0a07 70%,#070604 100%);
  color:#f3ecdd;text-align:center;
}
.hero__globe{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);
  width:min(92vw,860px);aspect-ratio:1;opacity:.9;pointer-events:none;
  mask-image:radial-gradient(closest-side,#000 60%,transparent 100%);
  -webkit-mask-image:radial-gradient(closest-side,#000 60%,transparent 100%);
}
.hero__star{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);
  width:min(30vw,300px);opacity:.16;pointer-events:none;
}
.hero__inner{position:relative;z-index:3;max-width:none;margin:0 auto}
.hero .eyebrow{color:var(--gold)}
/* big trilingual slogan */
.slogan{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(34px,8vw,118px);line-height:1.05;letter-spacing:.04em;
  margin:24px 0 18px;color:#fff;
  display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:.12em .2em;
}
.slogan .w{
  background:linear-gradient(180deg,#f6e6b8 0%,#e6c35a 45%,#b9852a 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.slogan .d{color:var(--gold);opacity:.55;font-weight:400}
.l-ja .slogan,.l-zh .slogan{font-size:clamp(34px,9vw,128px);letter-spacing:.12em}
.slogan--en{font-size:clamp(15px,2.4vw,30px);letter-spacing:.42em;text-transform:uppercase;font-weight:500;gap:.5em}
.slogan--en .w{background:none;-webkit-text-fill-color:#d9cdb4;color:#d9cdb4}
.slogan--en .d{font-weight:300}
.hero__sub{font-size:clamp(14px,1.5vw,18px);color:#b3aa97;max-width:52ch;margin:30px auto 0}
.hero__meta{
  position:absolute;bottom:30px;left:0;width:100%;
  display:flex;justify-content:center;gap:34px;
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:#8c8472;z-index:3;
}
.hero__meta span{display:inline-flex;align-items:center;gap:9px}
.hero__meta i{width:5px;height:5px;border-radius:50%;background:var(--gold);display:inline-block;font-style:normal}
/* nav over dark hero: light text until solid */
.nav:not(.solid) .nav__brand{color:#fff}
.nav:not(.solid) .nav__links a{color:#c9c0ad}
.nav:not(.solid) .nav__links a:hover,.nav:not(.solid) .nav__links a.active{color:#fff}
.nav:not(.solid) .nav__menu-btn{color:#fff}

/* ---------- generic block ---------- */
.block{padding:clamp(80px,11vw,160px) 0;border-top:1px solid var(--line)}
.block--dark{background:var(--bg-dark);color:#efe9dd;border-top:0}
.block--dark .eyebrow{color:var(--gold)}
.block--dark .lead{color:#b8b0a1}

.grid2{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,6vw,90px);align-items:start}
.section-head h2{font-size:clamp(28px,3.6vw,52px);margin-bottom:8px}

/* purpose statement big type */
.statement{font-family:var(--serif);font-size:clamp(24px,3.2vw,42px);line-height:1.4;font-weight:500;max-width:24ch}
.statement em{font-style:italic;color:var(--gold-deep)}
.l-ja .statement,.l-zh .statement{font-size:clamp(20px,2.6vw,34px);line-height:1.6;letter-spacing:.03em;max-width:30ch}

/* ---------- logo-meaning feature ---------- */
.meaning{display:grid;grid-template-columns:280px 1fr;gap:clamp(30px,6vw,80px);align-items:center}
.meaning__logo{display:flex;justify-content:center}
.meaning__logo img{height:min(46vw,340px);width:auto;filter:drop-shadow(0 24px 50px rgba(192,146,47,.28))}
.meaning__kw{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.meaning__kw span{
  font-family:var(--serif);font-size:clamp(20px,2.4vw,30px);color:var(--gold-deep);
  border:1px solid var(--line);border-radius:999px;padding:8px 22px;background:var(--paper);
}

/* ---------- cards (activities / news) ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;margin-top:50px}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:14px;
  padding:30px 28px;min-height:230px;display:flex;flex-direction:column;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;
}
.card:hover{transform:translateY(-6px);box-shadow:0 26px 50px -28px rgba(20,18,14,.32);border-color:var(--gold)}
.card__tag{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-deep);font-weight:600}
.card h3{font-size:23px;margin:14px 0 10px}
.card p{font-size:14px;color:var(--ink-soft)}
.card--ghost{border-style:dashed;background:transparent;align-items:center;justify-content:center;text-align:center;color:var(--ink-soft)}
.card--ghost .plus{font-size:34px;color:var(--gold);font-family:var(--serif);line-height:1;margin-bottom:10px}

/* ---------- board / people ---------- */
.people{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:40px}
.person{background:var(--paper);padding:26px 26px;transition:background .3s}
.person:hover{background:#fcfbf7}
.person .role{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep);font-weight:600}
.person .name{font-family:var(--serif);font-size:24px;margin:6px 0 4px}
.person .title{font-size:13px;color:var(--ink-soft)}
.roleband{display:flex;align-items:baseline;gap:14px;margin:46px 0 4px}
.roleband h3{font-size:clamp(20px,2.2vw,28px)}
.roleband span{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft)}
.roleband:first-of-type{margin-top:0}

/* ---------- CTA / contact ---------- */
.cta h2{font-size:clamp(30px,4.6vw,64px);max-width:18ch}
.cta__row{display:flex;flex-wrap:wrap;gap:40px 80px;margin-top:50px}
.cta__row div{min-width:200px}
.cta__row .k{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.cta__row .v{font-size:15px;line-height:1.8}
.btn{
  display:inline-flex;align-items:center;gap:12px;margin-top:14px;
  border:1px solid currentColor;border-radius:999px;padding:14px 30px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;transition:.3s var(--ease);
}
.btn:hover{background:var(--gold);border-color:var(--gold);color:#fff}
.btn--solid{background:var(--ink);border-color:var(--ink);color:#fff}
.btn--solid:hover{background:var(--gold);border-color:var(--gold)}

/* ---------- footer ---------- */
.foot{background:var(--bg-dark);color:#cfc8ba;padding:70px 0 40px}
.foot__top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot__brand{display:flex;align-items:center;gap:14px;font-family:var(--serif);font-size:20px;color:#fff;letter-spacing:.05em}
.foot__brand img{height:48px}
.foot p{font-size:13px;color:#9a9384;margin-top:18px;max-width:34ch}
.foot h4{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.foot ul a{font-size:14px;color:#cfc8ba;transition:color .25s}
.foot ul a:hover{color:#fff}
.foot__bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:26px;font-size:12px;color:#7b7568}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- page hero (sub pages) ---------- */
.phero{padding:clamp(150px,18vh,220px) 0 clamp(50px,7vw,90px)}
.phero h1{font-size:clamp(34px,5.4vw,76px);margin:18px 0 20px}
.phero .l-ja h1,.phero .l-zh h1{font-size:clamp(28px,4.4vw,58px);line-height:1.3}

/* ============================================================
   Concert announcement — 生命讃歌
   ============================================================ */
.announce{
  position:relative;overflow:hidden;color:#efe7d4;
  background:radial-gradient(120% 140% at 15% -10%,#1d2748 0%,#0a1024 55%,#05070f 100%);
  border-top:0;
}
.starfield{position:absolute;inset:0;pointer-events:none;opacity:.9;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 22%,#fff 50%,transparent),
    radial-gradient(1.2px 1.2px at 28% 64%,#ffeec2 50%,transparent),
    radial-gradient(1.6px 1.6px at 47% 18%,#fff 50%,transparent),
    radial-gradient(1.1px 1.1px at 63% 52%,#dfe8ff 50%,transparent),
    radial-gradient(1.5px 1.5px at 78% 30%,#fff 50%,transparent),
    radial-gradient(1.2px 1.2px at 88% 70%,#ffeec2 50%,transparent),
    radial-gradient(1px 1px at 35% 84%,#fff 50%,transparent),
    radial-gradient(1px 1px at 70% 88%,#fff 50%,transparent),
    radial-gradient(1.3px 1.3px at 55% 76%,#fff 50%,transparent);
}
.ray{position:absolute;top:-20%;left:-10%;width:60%;height:120%;pointer-events:none;
  background:linear-gradient(135deg,rgba(255,224,150,.34),rgba(255,224,150,0) 55%);
  filter:blur(8px);transform:rotate(-8deg);}
.announce .wrap{position:relative;z-index:2}

.concert-eyebrow{color:var(--gold);letter-spacing:.3em;font-size:clamp(11px,1.3vw,15px);
  text-transform:none;font-weight:600;text-align:center}
.concert-title{
  font-family:var(--serif);font-weight:600;text-align:center;color:#f0d27a;
  font-size:clamp(56px,12vw,150px);letter-spacing:.18em;line-height:1.04;
  margin:14px 0 0;
  background:linear-gradient(180deg,#fbe6ad 0%,#edc55c 48%,#c08f2a 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 40px rgba(240,200,90,.18);
}
.concert-rule{width:min(420px,70%);height:1px;margin:30px auto 26px;
  background:linear-gradient(90deg,transparent,rgba(240,200,90,.8),transparent)}
.concert-sub{text-align:center;font-family:var(--serif);font-size:clamp(18px,2.4vw,30px);
  line-height:1.6;color:#e9e2cf;font-weight:500}
.concert-when{
  display:block;width:max-content;max-width:92%;margin:38px auto 0;
  background:rgba(255,255,255,.94);color:#1a1a1a;border-radius:12px;
  padding:14px clamp(20px,3vw,38px);text-align:center;
  font-weight:700;font-size:clamp(14px,1.7vw,21px);letter-spacing:.02em;
  box-shadow:0 18px 40px -22px rgba(0,0,0,.6);
}
.concert-when b{color:var(--gold-deep)}
.concert-credits{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin:40px auto 0;max-width:980px}
.credit{display:flex;align-items:center;gap:14px;flex:1 1 380px;min-width:300px;
  background:rgba(10,16,36,.55);border:1px solid rgba(240,200,90,.28);border-radius:12px;padding:16px 22px}
.credit .clabel{font-size:11px;letter-spacing:.16em;color:var(--gold);white-space:nowrap}
.credit .cval{font-size:14px;color:#e7e0cd;line-height:1.4}
.credit img{height:40px;width:auto;opacity:.95}
.concert-note{text-align:center;margin-top:42px}
.concert-note .tba{display:inline-block;border:1px dashed rgba(240,200,90,.5);border-radius:999px;
  padding:9px 22px;color:#f0d27a;font-size:13px;letter-spacing:.12em}

/* index teaser banner */
.teaser{display:block;position:relative;overflow:hidden;border-radius:18px;
  background:radial-gradient(120% 160% at 12% -20%,#1d2748 0%,#0a1024 60%,#05070f 100%);
  color:#efe7d4;padding:clamp(34px,5vw,64px) clamp(26px,5vw,64px);
  border:1px solid rgba(240,200,90,.22);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.teaser:hover{transform:translateY(-4px);box-shadow:0 40px 70px -40px rgba(8,12,30,.8)}
.teaser .badge{display:inline-block;font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:#06101f;background:var(--gold);border-radius:999px;padding:6px 16px;font-weight:700}
.teaser h2{font-family:var(--serif);color:#f0d27a;font-size:clamp(40px,7vw,80px);letter-spacing:.14em;margin:18px 0 6px;
  background:linear-gradient(180deg,#fbe6ad,#edc55c 50%,#c08f2a);-webkit-background-clip:text;background-clip:text;color:transparent}
.teaser p{color:#cfc7b2;max-width:54ch;font-size:clamp(14px,1.4vw,17px)}
.teaser .meta{margin-top:18px;font-size:13px;color:#f0d27a;letter-spacing:.04em}
.teaser .go{margin-top:24px;display:inline-flex;align-items:center;gap:10px;color:#fff;
  border:1px solid rgba(255,255,255,.5);border-radius:999px;padding:12px 26px;font-size:13px;letter-spacing:.12em;text-transform:uppercase;transition:.3s}
.teaser:hover .go{background:var(--gold);border-color:var(--gold);color:#06101f}

/* ============================================================
   Contact form
   ============================================================ */
.form{display:flex;flex-direction:column;gap:20px;max-width:560px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:12px;letter-spacing:.1em;color:var(--ink-soft);text-transform:uppercase}
.field label .req{color:var(--red)}
.field input,.field textarea,.field select{
  font-family:var(--sans);font-size:15px;color:var(--ink);background:var(--paper);
  border:1px solid var(--line);border-radius:10px;padding:13px 15px;transition:border-color .25s,box-shadow .25s;width:100%}
.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--gold);box-shadow:0 0 0 3px rgba(192,146,47,.14)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form button{align-self:flex-start;cursor:pointer;border:1px solid var(--ink);background:var(--ink);color:#fff;
  border-radius:999px;padding:15px 38px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;transition:.3s var(--ease)}
.form button:hover{background:var(--gold);border-color:var(--gold)}
.form .note{font-size:12px;color:var(--ink-soft)}
.sent-banner{background:#0f1a10;color:#dce8d8;border:1px solid #2a4a2c;border-radius:12px;padding:18px 22px;margin-bottom:30px;font-size:14px}
.err-banner{background:#1f1110;color:#f0d6d2;border:1px solid #5a2a26;border-radius:12px;padding:18px 22px;margin-bottom:30px;font-size:14px}

/* thanks page */
.thanks{min-height:70vh;display:flex;align-items:center}
.thanks .big{font-family:var(--serif);font-size:clamp(40px,6vw,82px);margin:18px 0 14px}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .grid2,.meaning{grid-template-columns:1fr}
  .meaning__logo img{height:240px}
  .foot__top{grid-template-columns:1fr 1fr}
  .nav__links{display:none}
  .nav__links.open{display:flex;position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:flex-start;gap:18px;background:var(--bg);padding:26px clamp(20px,5vw,64px);box-shadow:0 16px 30px -20px rgba(0,0,0,.3)}
  .nav__menu-btn{display:block}
  .nav .langsw{order:-1}
}
@media(max-width:560px){
  .foot__top{grid-template-columns:1fr}
  .hero__meta{position:static;margin-top:50px;flex-direction:column;gap:10px}
}