/* ===========================================================
   EGAO SDGs Community — shared stylesheet
   Brand palette derived from the original EGAO LP
   =========================================================== */
:root{
  --sky:#1C86CB;        /* 青空ブルー（メイン） */
  --sky-deep:#0E4E93;   /* 濃い青（ヘッダー・見出し・フッター） */
  --sky-soft:#EAF4FB;   /* うすい空色（背景） */
  --yellow:#F5CE3C;     /* サニーイエロー（差し色・下線） */
  --coral:#F19B72;      /* コーラル（CTA・アクセント） */
  --coral-deep:#E87F50;
  --ink:#183A57;        /* ネイビー系テキスト */
  --ink-soft:#5A7189;
  --paper:#FFFFFF;
  --line:#DCE7F0;
  --line-soft:#EDF3F8;
  --line-green:#06C755; /* LINE */
  --maxw:1080px;
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP",system-ui,sans-serif;
  color:var(--ink);background:var(--paper);line-height:1.9;font-size:16px;
  -webkit-font-smoothing:antialiased;letter-spacing:.02em;
}
img{max-width:100%;display:block}
a{color:var(--sky-deep)}
.mincho{font-family:"Hiragino Mincho ProN","Yu Mincho","YuMincho",serif;font-weight:600}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;
  font-weight:700;font-size:15px;text-decoration:none;transition:transform .15s,box-shadow .2s;line-height:1.4}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 22px rgba(232,127,80,.32)}
.btn-primary:hover{background:var(--coral-deep)}
.btn-sky{background:var(--sky);color:#fff;box-shadow:0 8px 22px rgba(28,134,203,.30)}
.btn-sky:hover{background:var(--sky-deep)}
.btn-line{background:var(--line-green);color:#fff;box-shadow:0 8px 22px rgba(6,199,85,.28)}
.btn-ghost{background:#fff;color:var(--sky-deep);border:1.5px solid var(--sky)}
.btn-ghost:hover{background:var(--sky-soft)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{text-decoration:none;display:flex;align-items:center;gap:8px}
.brand-mark{font-weight:800;letter-spacing:.14em;font-size:22px;color:var(--sky-deep)}
.brand-mark::before{content:"";display:inline-block;width:11px;height:11px;border-radius:50%;
  background:var(--yellow);margin-right:9px;vertical-align:middle}
.navlinks{display:flex;align-items:center;gap:26px;font-size:14.5px;font-weight:700}
.navlinks a{color:var(--ink);text-decoration:none;transition:color .2s;padding:4px 0}
.navlinks a:hover,.navlinks a.active{color:var(--sky)}
.navlinks a.active{border-bottom:2px solid var(--yellow)}
.navlinks a.cta{color:#fff;background:var(--coral);padding:9px 20px;border-radius:999px;border:0}
.navlinks a.cta:hover{background:var(--coral-deep);color:#fff}
.navtoggle{display:none;background:none;border:0;font-size:24px;color:var(--sky-deep);cursor:pointer}
@media(max-width:820px){
  .navtoggle{display:block}
  .navlinks{position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;
    background:#fff;border-bottom:1px solid var(--line);padding:8px 0;
    max-height:0;overflow:hidden;transition:max-height .3s;box-shadow:0 12px 24px rgba(14,78,147,.08)}
  body.nav-open .navlinks{max-height:420px}
  .navlinks a{width:100%;padding:14px 24px}
  .navlinks a.active{border-bottom:1px solid var(--line)}
  .navlinks a.cta{margin:10px 24px;justify-content:center}
}

/* ---------- Sections ---------- */
.sec{padding:80px 0}
.sec.tint{background:var(--sky-soft)}
.sec.sand{background:#FBF5E7}
.sec-tag{font-size:12px;letter-spacing:.26em;color:var(--sky);font-weight:800;text-transform:uppercase;
  display:block;margin-bottom:12px}
.sec-title{font-size:clamp(25px,4.2vw,36px);line-height:1.5;margin-bottom:10px;color:var(--ink)}
.sec-lead{max-width:44em;color:var(--ink-soft);font-size:15.5px}
.center{text-align:center}
.center .sec-lead{margin-left:auto;margin-right:auto}

/* ---------- Hero (top page) ---------- */
.hero{background:linear-gradient(180deg,#fff 0%,var(--sky-soft) 100%);padding:26px 0 60px}
.hero-media{max-width:1120px;margin:0 auto 34px;padding:0 16px}
.hero-media img{width:100%;border-radius:24px;box-shadow:0 18px 44px rgba(14,78,147,.20)}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;text-align:center}
.hero .eyebrow{font-size:13px;letter-spacing:.22em;color:var(--sky-deep);font-weight:800;margin-bottom:16px}
.hero .lead{font-size:clamp(15px,2.2vw,18px);color:var(--ink-soft);max-width:40em;margin:0 auto 28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- Page header (sub pages) ---------- */
.page-head{background:linear-gradient(180deg,var(--sky-deep),var(--sky));color:#fff;
  padding:56px 0 60px;text-align:center}
.page-head .eyebrow{font-size:12px;letter-spacing:.26em;font-weight:800;color:var(--yellow);margin-bottom:12px;text-transform:uppercase}
.page-head h1{font-size:clamp(27px,5vw,40px);line-height:1.4}
.page-head p{color:#DCEBF7;margin-top:14px;font-size:15px}
.crumbs{font-size:12.5px;color:var(--ink-soft);padding:16px 0}
.crumbs a{color:var(--sky)}

/* ---------- Pillars ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.pillar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px}
.pillar .num{font-size:13px;font-weight:800;color:var(--coral);letter-spacing:.1em}
.pillar h3{font-size:21px;margin:8px 0 12px;color:var(--sky-deep)}
.pillar p{font-size:14.5px;color:var(--ink-soft)}
@media(max-width:760px){.pillars{grid-template-columns:1fr}}

/* ---------- Card grids (activities) ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.card-grid.two{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.card .ph{aspect-ratio:16/10;background:linear-gradient(135deg,#8CC7EC,var(--sky));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;letter-spacing:.12em;font-size:12px}
.card .body{padding:18px 20px}
.card .place{font-size:12px;color:var(--sky);font-weight:800;letter-spacing:.06em}
.card h4{font-size:17px;margin:6px 0 8px;color:var(--ink)}
.card p{font-size:13.5px;color:var(--ink-soft)}
@media(max-width:860px){.card-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.card-grid,.card-grid.two{grid-template-columns:1fr}}

/* ---------- News / Column list ---------- */
.post-list{margin-top:36px;border-top:1px solid var(--line)}
.post-row{display:flex;gap:22px;align-items:baseline;padding:22px 4px;border-bottom:1px solid var(--line);
  text-decoration:none;color:inherit;transition:background .15s}
.post-row:hover{background:var(--sky-soft)}
.post-row .date{font-size:13px;color:var(--sky);font-weight:700;white-space:nowrap;min-width:96px}
.post-row .cat{font-size:11px;font-weight:800;color:#fff;background:var(--sky);border-radius:999px;
  padding:3px 11px;white-space:nowrap}
.post-row .cat.col{background:var(--coral)}
.post-row .ttl{font-size:16px;font-weight:600}
.post-row .ttl small{display:block;color:var(--ink-soft);font-weight:400;font-size:13px;margin-top:3px}
@media(max-width:640px){
  .post-row{flex-wrap:wrap;gap:8px 14px}
  .post-row .ttl{flex-basis:100%}
}
/* column card variant */
.col-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
.col-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:transform .15s,box-shadow .2s}
.col-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(14,78,147,.12)}
.col-card .ph{aspect-ratio:16/9;background:linear-gradient(135deg,#F6D98C,var(--coral))}
.col-card .body{padding:18px 20px}
.col-card .date{font-size:12px;color:var(--coral-deep);font-weight:700}
.col-card h4{font-size:16.5px;margin:6px 0 8px;line-height:1.6}
.col-card p{font-size:13px;color:var(--ink-soft)}
@media(max-width:860px){.col-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.col-grid{grid-template-columns:1fr}}

/* ---------- Article body ---------- */
.article{max-width:760px;margin:0 auto;padding:8px 24px 40px}
.article .meta{display:flex;gap:14px;align-items:center;margin:6px 0 18px}
.article .meta .date{color:var(--sky);font-weight:700;font-size:14px}
.article h1.art-title{font-size:clamp(24px,4.4vw,34px);line-height:1.5;margin-bottom:8px}
.article .lead{color:var(--ink-soft);font-size:16px;margin:18px 0 26px;padding-left:16px;border-left:4px solid var(--yellow)}
.article h2{font-size:22px;margin:38px 0 14px;color:var(--sky-deep);padding-bottom:8px;border-bottom:2px solid var(--line)}
.article h3{font-size:18px;margin:28px 0 10px;color:var(--ink)}
.article p{margin:0 0 18px}
.article ul,.article ol{margin:0 0 18px 1.4em}
.article li{margin-bottom:8px}
.article img{border-radius:12px;margin:24px 0}
.article .figcap{font-size:12.5px;color:var(--ink-soft);text-align:center;margin-top:-14px}
.back-link{display:inline-block;margin:30px 0 0;color:var(--sky);font-weight:700;text-decoration:none}
.back-link:hover{text-decoration:underline}

/* ---------- Members ---------- */
.mgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.mcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center}
.mcard .av{width:66px;height:66px;border-radius:50%;margin:0 auto 14px;
  background:linear-gradient(135deg,#7FC0EC,var(--sky));display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:22px}
.mcard .role{font-size:12px;color:var(--sky);font-weight:800;letter-spacing:.06em}
.mcard h4{font-size:16px;margin:4px 0 6px}
.mcard p{font-size:12px;color:var(--ink-soft);line-height:1.7}
@media(max-width:860px){.mgrid{grid-template-columns:repeat(2,1fr)}}

/* ---------- Table (overview) ---------- */
.info-table{width:100%;border-collapse:collapse;margin-top:30px;font-size:14.5px}
.info-table th,.info-table td{text-align:left;padding:16px 8px;border-bottom:1px solid var(--line);vertical-align:top}
.info-table th{width:150px;color:var(--sky-deep);font-weight:700;white-space:nowrap}

/* ---------- Quote ---------- */
.quote{background:#fff;border:1px solid var(--line);border-left:4px solid var(--coral);
  border-radius:0 var(--radius) var(--radius) 0;padding:26px 30px;max-width:46em;margin-top:26px;line-height:2}
.quote cite{display:block;margin-top:14px;font-style:normal;color:var(--sky);font-size:13px;font-weight:700}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(160deg,var(--sky) 0%,var(--sky-deep) 100%);color:#fff;text-align:center}
.cta-band h2{font-size:clamp(24px,4.6vw,36px);line-height:1.5;margin-bottom:16px}
.cta-band p{color:#DCEBF7;max-width:34em;margin:0 auto 30px;font-size:15.5px}
.cta-band .hero-cta{justify-content:center}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#B9C6D4;padding:52px 0 36px;font-size:13.5px}
.fgrid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:28px}
.fbrand{font-size:22px;font-weight:800;letter-spacing:.14em;color:#fff;margin-bottom:10px}
.flinks{display:flex;gap:20px;flex-wrap:wrap;align-items:flex-start}
.site-footer a{color:#B9C6D4;text-decoration:none}
.site-footer a:hover{color:#fff}
.fcopy{margin-top:38px;padding-top:18px;border-top:1px solid #2c4964;font-size:12px;color:#7f92a6}

/* ---------- Editor note (draft placeholders) ---------- */
.note{background:#FFF6E9;border:1px dashed var(--coral);color:#9a5a34;font-size:13px;
  padding:10px 16px;border-radius:10px;margin-top:16px}

.mt40{margin-top:40px}.mt24{margin-top:24px}