:root{--navy:#15345a;--blue:#1f6fb2;--gold:#b58a32;--light:#f5f7fa;--line:#dbe3ec;--text:#243041;--muted:#667085;--white:#fff;--shadow:0 10px 30px rgba(21,52,90,.12);--radius:16px;}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.85;background:#fff;font-size:16px}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block}.container{width:min(1120px,calc(100% - 40px));margin:0 auto}.narrow{width:min(880px,calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 0}.brand{display:flex;align-items:center;gap:12px;min-width:360px;font-weight:800;color:var(--navy);letter-spacing:.02em;line-height:1.35}.brand-logo{width:52px;height:52px;object-fit:contain;flex:0 0 auto}.brand-text{display:flex;flex-direction:column}.brand span{font-size:18px}.brand small{font-weight:600;font-size:12px;color:var(--muted);letter-spacing:.01em}.nav{display:flex;align-items:center;gap:12px;font-size:14px;white-space:nowrap}.nav a{color:var(--text)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4em;border-radius:999px;padding:12px 20px;font-weight:800;line-height:1.2;border:1px solid transparent;text-decoration:none}.btn:hover{text-decoration:none;filter:brightness(.98)}.btn-primary{background:linear-gradient(135deg,#d39a24,#b58a32);color:#fff;box-shadow:0 10px 24px rgba(181,138,50,.34);border:2px solid rgba(255,255,255,.75)}.btn-secondary{background:var(--navy);color:#fff}.btn-outline{background:#fff;color:var(--navy);border-color:var(--navy)}.btn-light{background:#fff;color:var(--navy);border-color:#fff}.page-hero{background:linear-gradient(135deg,var(--navy),#245f96);color:#fff;padding:58px 0}.page-hero h1{font-size:clamp(30px,4vw,46px);line-height:1.35;margin:0}.page-hero p{margin:12px 0 0;color:#e8eef5;font-size:17px}.breadcrumb{font-size:13px;color:var(--muted);margin:22px 0}.breadcrumb a{color:var(--muted)}.section{padding:64px 0}.section-light{background:var(--light)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}.card h2,.card h3{color:var(--navy);margin-top:0}.grid{display:grid;gap:22px}.grid-2{grid-template-columns:repeat(2,1fr)}.footer{background:#0f243d;color:#dbe3ec;padding:34px 0}.footer a{color:#fff}.footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.footer-links{display:flex;flex-wrap:wrap;gap:10px 16px;margin-top:10px}.footer-note{font-size:12px;color:#aeb9c6;margin-top:10px}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;font-weight:700}.pagetop{position:fixed;right:18px;bottom:18px;background:var(--navy);color:#fff;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);font-weight:800}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:34px;align-items:start}.article-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:38px}.article-meta{display:flex;flex-wrap:wrap;gap:10px 14px;color:var(--muted);font-size:14px;margin-bottom:18px}.article-category{display:inline-flex;align-items:center;border:1px solid #d3e4f4;background:#eef4fb;color:var(--navy);font-weight:800;border-radius:999px;padding:4px 12px;font-size:13px}.member-badge{display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(181,138,50,.4);background:#fff7e8;color:#7a5400;font-weight:800;border-radius:999px;padding:5px 13px;font-size:13px;margin-bottom:14px}.article-title{font-size:clamp(28px,3.4vw,42px);line-height:1.35;color:var(--navy);margin:0 0 10px}.article-lead{font-size:18px;color:var(--muted);margin:0 0 24px}.article-body{font-size:17px;line-height:2.05;color:var(--text)}.article-body.article-plain{white-space:pre-line}.article-body p{margin:0 0 1.4em}.article-body ul{margin:0 0 1.4em;padding-left:1.4em}.article-body blockquote{border-left:4px solid var(--gold);background:#fff8ea;margin:1.6em 0;padding:18px 22px;border-radius:0 12px 12px 0}.article-body img{border-radius:14px;margin:22px 0}.article-footer{border-top:1px solid var(--line);margin-top:34px;padding-top:24px;display:flex;flex-wrap:wrap;gap:12px}.sidebar{position:sticky;top:96px}.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:18px}.side-card h3{margin:0 0 12px;color:var(--navy);font-size:18px}.side-list{list-style:none;margin:0;padding:0}.side-list li{border-top:1px dashed var(--line);padding:10px 0}.side-list li:first-child{border-top:0}.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.news-item{display:grid;grid-template-columns:130px 1fr auto;gap:18px;align-items:center;padding:20px 24px;border-top:1px solid var(--line)}.news-item:first-child{border-top:0}.news-item time{color:var(--muted);font-weight:800}.news-item h2{font-size:20px;color:var(--navy);margin:0 0 4px}.news-item p{color:var(--muted);margin:0}.topic-item{padding:22px 24px;border-top:1px solid var(--line)}.topic-item:first-child{border-top:0}.topic-item h2{font-size:20px;color:var(--navy);margin:0 0 6px}.member-top-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.member-top-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.member-top-card h2{color:var(--navy);font-size:20px;margin:0 0 10px}.note-box{background:#eef4fb;border:1px solid #c8d9ea;border-radius:var(--radius);padding:20px}.legal-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.legal-table th,.legal-table td{border-bottom:1px solid var(--line);padding:16px;text-align:left;vertical-align:top}.legal-table th{width:240px;background:#eaf1f8;color:var(--navy)}.legal-table tr:last-child th,.legal-table tr:last-child td{border-bottom:0}
@media(max-width:1000px){.brand{min-width:auto}.nav{gap:8px;font-size:13px}.btn{padding:10px 14px}.article-layout{grid-template-columns:1fr}.sidebar{position:static}.member-top-grid{grid-template-columns:1fr}.news-item{grid-template-columns:1fr;gap:6px}}
@media(max-width:900px){.menu-toggle{display:block}.nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);padding:14px 20px;flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav .btn{width:100%}.brand-logo{width:44px;height:44px}.brand span{font-size:16px}.brand small{font-size:11px}.container,.narrow{width:min(100% - 28px,1120px)}.page-hero{padding:44px 0}.section{padding:46px 0}.grid-2{grid-template-columns:1fr}.footer-inner{display:block}.article-main{padding:24px}.legal-table th,.legal-table td{display:block;width:100%}.pagetop{display:none}}

/* =========================================================
   Header / button refinements v2
   - Prevent header navigation from overflowing horizontally
   - Make 入会お申込み readable in header and hero areas
   - Keep hero CTA buttons in a 2 x 2 layout on desktop
   ========================================================= */
.header-inner{
  flex-wrap:wrap;
  gap:12px;
}

.brand{
  min-width:280px;
  flex:0 1 330px;
}

.nav{
  flex:1 1 520px;
  min-width:0;
  justify-content:flex-end;
  flex-wrap:wrap;
  gap:8px;
  white-space:normal;
}

.nav a:not(.btn){
  white-space:nowrap;
}

.nav .btn{
  padding:10px 14px;
  font-size:13px;
  white-space:nowrap;
  min-width:110px;
}

/* Header join button: white background + navy text, so it does not disappear */
.nav .btn-secondary{
  background:#fff;
  color:var(--navy);
  border:2px solid var(--navy);
  box-shadow:none;
}

.nav .btn-secondary:hover{
  background:#eef4fb;
  color:var(--navy);
}

/* Default secondary button remains navy for ordinary white-background sections */
.btn-secondary{
  background:var(--navy);
  color:#fff;
  border:2px solid var(--navy);
}

/* Hero buttons: fixed 2 x 2 desktop layout */
.hero-actions{
  display:grid;
  grid-template-columns:repeat(2, max-content);
  gap:16px 18px;
  justify-content:flex-start;
  align-items:center;
}

.hero-actions .btn{
  min-width:180px;
  text-align:center;
}

/* Hero join button: light outline, visible on navy photo overlay */
.hero .btn-secondary{
  background:rgba(255,255,255,.14);
  color:#fff;
  border:2px solid rgba(255,255,255,.92);
  box-shadow:0 8px 22px rgba(0,0,0,.18);
  backdrop-filter:blur(4px);
}

.hero .btn-secondary:hover{
  background:#fff;
  color:var(--navy);
}

/* Useful optional class for future light-outline buttons */
.btn-outline-light{
  background:rgba(255,255,255,.14);
  color:#fff;
  border:2px solid rgba(255,255,255,.92);
  box-shadow:0 8px 22px rgba(0,0,0,.18);
  backdrop-filter:blur(4px);
}

.btn-outline-light:hover{
  background:#fff;
  color:var(--navy);
}

/* Article footer buttons should not become too narrow */
.article-footer .btn{
  min-width:150px;
}

@media(max-width:1180px){
  .brand{
    flex-basis:300px;
    min-width:260px;
  }
  .nav{
    font-size:13px;
    gap:7px;
  }
  .nav .btn{
    padding:9px 12px;
    min-width:auto;
  }
}

@media(max-width:900px){
  .header-inner{
    flex-wrap:nowrap;
  }
  .brand{
    flex:1 1 auto;
    min-width:0;
  }
  .nav{
    flex-wrap:nowrap;
    white-space:nowrap;
  }
  .nav .btn{
    width:100%;
    min-width:0;
    padding:12px 18px;
    font-size:14px;
  }
  .hero-actions{
    grid-template-columns:1fr;
    gap:12px;
  }
  .hero-actions .btn{
    width:100%;
    min-width:0;
  }
}


/* 本番版：合格者・既会員向け導線（最終上書き） */
.btn-join{background:#fff!important;color:var(--navy)!important;border:2px solid var(--gold)!important;box-shadow:0 8px 20px rgba(181,138,50,.18)}
.btn-join:hover{filter:brightness(1.02);transform:translateY(-1px)}
.btn-member{background:#1f6fb2!important;color:#fff!important;border:2px solid #1f6fb2!important;box-shadow:0 8px 20px rgba(31,111,178,.22)}
.btn-member:hover{background:#17588d!important;border-color:#17588d!important;color:#fff!important;filter:brightness(1.03);transform:translateY(-1px)}
.site-header .container{width:min(1180px,calc(100% - 28px))}
.header-inner{gap:12px}
.brand{min-width:340px}
.nav{flex:1;min-width:0;flex-wrap:wrap;justify-content:flex-end;gap:8px 10px;white-space:normal;max-width:none;font-size:13px}
.nav .btn{padding:9px 13px;white-space:nowrap;min-width:auto}
.footer-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.footer-actions .btn{padding:10px 16px;font-size:14px}
.footer-actions .btn-outline{background:transparent;color:#fff!important;border-color:rgba(255,255,255,.55)}
.footer-actions .btn-join{background:#fff!important;color:var(--navy)!important;border-color:var(--gold)!important}
.footer-actions .btn-member{background:#1f6fb2!important;border-color:#1f6fb2!important;color:#fff!important}
@media(max-width:900px){.footer-actions{display:block}.footer-actions .btn{width:100%;margin-top:8px}.nav .btn{width:100%}}