/* ═══════════════════════════════════════════
   Balcony Corporate Site — Shared Styles
   ═══════════════════════════════════════════ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --g1:#6B8F71;
  --g2:#8FA98B;
  --g3:#7BA07E;
  --g-light:#EEF1EA;
  --g-pale:#F4F7F2;
  --white:#FFFFFF;
  --bg:#F7F5F0;
  --text:#3A4A3C;
  --text-b:#4A5D4C;
  --text-m:#6B7D6E;
  --text-l:#8FA090;
  --border:#D8DDD4;
  --border-l:#E5EAE2;
  --sh-sm:0 1px 4px rgba(107,143,113,0.08),0 1px 2px rgba(107,143,113,0.05);
  --sh-md:0 4px 16px rgba(107,143,113,0.1),0 2px 4px rgba(107,143,113,0.06);
  --sh-lg:0 12px 40px rgba(107,143,113,0.12),0 4px 8px rgba(107,143,113,0.06);
  --sh-xl:0 24px 72px rgba(107,143,113,0.15);
  --r:8px;
  --r-lg:16px;
  --t:0.25s ease;
  --nav-h:80px;
}

html{scroll-behavior:smooth}
body{background:var(--white);color:var(--text-b);font-family:'Noto Sans JP',sans-serif;font-size:24px;overflow-x:hidden;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}

/* ═══ NAV ═══ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:500;
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 72px;
  background:rgba(255,255,255,0.97);
  backdrop-filter:blur(20px);
  border-bottom:1px solid transparent;
  transition:all 0.3s;
}
.nav.scrolled{border-color:var(--border-l);box-shadow:var(--sh-sm)}
.nav-logo{display:flex;align-items:center;height:108px}
.nav-logo img{height:90px;width:auto;object-fit:contain}
.nav-links{display:flex;gap:40px;align-items:center}
.nav-links a{
  font-size:18px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;
  color:var(--text-m);transition:color var(--t);
  position:relative;padding-bottom:4px;
}
.nav-links a::after{
  content:'';position:absolute;bottom:0;left:0;
  width:0;height:1.5px;background:var(--g1);transition:width 0.3s ease;
}
.nav-links a:hover,.nav-links a.active{color:var(--g1)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-contact-btn{
  background:var(--g1)!important;color:white!important;
  padding:10px 22px!important;border-radius:5px!important;
  font-size:18px!important;font-weight:700!important;letter-spacing:1.5px!important;
  transition:background var(--t),transform var(--t),box-shadow var(--t)!important;
}
.nav-contact-btn::after{display:none!important}
.nav-contact-btn:hover{background:var(--g2)!important;transform:translateY(-1px);box-shadow:0 4px 14px rgba(107,143,113,0.3)!important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px;background:none;border:none}
.hamburger span{display:block;width:24px;height:1.5px;background:var(--g1);transition:all 0.3s}
.hamburger.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.mobile-menu{
  position:fixed;inset:0;
  background:rgba(255,255,255,0.98);backdrop-filter:blur(20px);
  z-index:450;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:32px;
  transform:translateY(-100%);transition:transform 0.4s ease;pointer-events:none;
}
.mobile-menu.open{transform:translateY(0);pointer-events:all}
.mobile-menu a{font-size:27px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--text);transition:color 0.2s}
.mobile-menu a:hover{color:var(--g1)}
.mobile-menu .m-contact{background:var(--g1);color:white!important;padding:14px 44px;border-radius:6px;margin-top:8px;letter-spacing:2px}

/* ═══ PAGE HERO ═══ */
.page-hero{
  position:relative;overflow:hidden;
  height:340px;
  display:flex;align-items:flex-end;
  margin-top:var(--nav-h);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  transform:scale(1.04);transition:transform 6s ease;
}
.page-hero-bg.loaded{transform:scale(1)}
.page-hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to right,rgba(58,74,60,0.75) 0%,rgba(58,74,60,0.45) 60%,rgba(58,74,60,0.2) 100%);
}
.page-hero-content{
  position:relative;z-index:2;padding:0 72px 52px;
}
.page-hero-tag{
  font-size:15px;font-weight:700;letter-spacing:4px;text-transform:uppercase;
  color:rgba(255,255,255,0.6);margin-bottom:10px;
  display:flex;align-items:center;gap:10px;
}
.page-hero-tag::before{content:'';display:block;width:20px;height:1px;background:rgba(255,255,255,0.4)}
.page-hero-title{
  font-family:'Plus Jakarta Sans','Noto Sans JP',sans-serif;
  font-size:clamp(54px,7.5vw,90px);font-weight:800;
  color:white;line-height:1.1;letter-spacing:-0.5px;
}
.page-hero-wave{position:absolute;bottom:-1px;left:0;right:0}
.page-hero-wave svg{display:block;width:100%;height:auto}

/* ═══ SECTION BASE ═══ */
.section{padding:96px 72px}
.section-sm{padding:72px 72px}
.section-tag{
  display:inline-flex;align-items:center;gap:10px;
  font-size:15px;font-weight:700;letter-spacing:4px;text-transform:uppercase;
  color:var(--g2);margin-bottom:14px;
}
.section-tag::before{content:'';display:block;width:20px;height:1.5px;background:var(--g2)}
.section-title{
  font-family:'Plus Jakarta Sans','Noto Sans JP',sans-serif;
  font-size:clamp(42px,5.25vw,66px);font-weight:800;
  color:var(--text);line-height:1.2;margin-bottom:18px;letter-spacing:-0.3px;
}
.section-title .hl{color:var(--g1)}
.section-desc{font-size:23px;color:var(--text-m);line-height:2;max-width:640px}
.divider{display:block;width:36px;height:2px;background:linear-gradient(90deg,var(--g1),var(--g3));border-radius:1px;margin:14px 0 22px}

/* ═══ BUTTONS ═══ */
.btn-green{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--g1);color:white;
  font-size:18px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  padding:14px 30px;border-radius:6px;border:none;cursor:pointer;transition:all var(--t);
}
.btn-green:hover{background:var(--g2);transform:translateY(-2px);box-shadow:0 8px 28px rgba(107,143,113,0.32)}
.btn-green svg{width:13px;height:13px;flex-shrink:0}
.btn-outline-green{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:var(--g1);
  font-size:18px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  padding:13px 28px;border-radius:6px;border:1.5px solid var(--g1);cursor:pointer;transition:all var(--t);
}
.btn-outline-green:hover{background:var(--g-pale);transform:translateY(-2px)}
.btn-outline-green svg{width:13px;height:13px;flex-shrink:0}

/* ═══ REVEAL ═══ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 0.75s ease,transform 0.75s ease}
.reveal.from-left{transform:translateX(-28px)}
.reveal.from-right{transform:translateX(28px)}
.reveal.visible{opacity:1;transform:translate(0)}
.reveal.d1{transition-delay:0.1s}
.reveal.d2{transition-delay:0.2s}
.reveal.d3{transition-delay:0.3s}
.reveal.d4{transition-delay:0.4s}
.reveal.d5{transition-delay:0.5s}

/* ═══ CONTACT CTA ═══ */
.contact-cta{background:var(--g1);text-align:center;padding:56px 72px}
.contact-cta .section-tag{justify-content:center;color:rgba(255,255,255,0.45);font-size:12px}
.contact-cta .section-tag::before{background:rgba(255,255,255,0.25)}
.contact-cta .section-title{color:white;margin-bottom:10px;font-size:clamp(28px,3.5vw,42px)}
.contact-cta .section-desc{color:rgba(255,255,255,0.65);margin:0 auto 32px;font-size:18px}
.contact-cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-white{display:inline-flex;align-items:center;gap:8px;background:white;color:var(--g1);font-size:18px;font-weight:700;letter-spacing:2px;text-transform:uppercase;padding:14px 30px;border-radius:6px;transition:all var(--t)}
.btn-white:hover{background:var(--g-pale);transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,0,0,0.15)}
.btn-white svg{width:13px;height:13px}
.btn-ghost-white{display:inline-flex;align-items:center;gap:8px;background:transparent;color:white;font-size:18px;font-weight:700;letter-spacing:2px;text-transform:uppercase;padding:13px 28px;border-radius:6px;border:1.5px solid rgba(255,255,255,0.35);transition:all var(--t)}
.btn-ghost-white:hover{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.7)}

/* ═══ FOOTER ═══ */
footer{background:var(--g1)}
.footer-inner{
  padding:10px 72px 0;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:6px;align-items:start;
}
.footer-logo-img{height:24px;width:auto;object-fit:contain;margin-bottom:4px;display:block}
.footer-tagline{font-size:13px;color:rgba(255,255,255,0.45);line-height:1.5;max-width:200px}
.footer-col-h{
  font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:rgba(255,255,255,0.5);margin-bottom:4px;
}
.footer-col-links{display:flex;flex-direction:column;gap:2px}
.footer-col-links a{font-size:13px;color:rgba(255,255,255,0.65);transition:color var(--t)}
.footer-col-links a:hover{color:white}
.footer-bottom{
  margin:0 72px;
  padding:6px 0;
  border-top:1px solid rgba(255,255,255,0.1);
  display:flex;align-items:center;justify-content:space-between;
  margin-top:4px;
}
.footer-copy{font-size:13px;color:rgba(255,255,255,0.4);letter-spacing:0.3px}

/* ═══ TOAST ═══ */
#toast-popup{
  position:fixed;top:24px;left:50%;
  transform:translateX(-50%) translateY(-24px);
  z-index:9999;background:white;
  border:1px solid rgba(107,143,113,0.2);border-radius:10px;
  padding:14px 22px 14px 16px;display:flex;align-items:center;gap:12px;
  box-shadow:var(--sh-lg);min-width:280px;max-width:90vw;
  opacity:0;pointer-events:none;
  transition:opacity 0.3s,transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
}
#toast-popup.show{opacity:1;transform:translateX(-50%) translateY(0);pointer-events:auto}
.toast-icon{width:32px;height:32px;border-radius:50%;background:var(--g-light);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.toast-icon svg{width:15px;height:15px;stroke:var(--g1);fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.toast-title{font-size:20px;font-weight:700;color:var(--text);margin-bottom:2px}
.toast-sub{font-size:17px;color:var(--text-m)}
.toast-bar{position:absolute;bottom:0;left:0;height:2px;background:linear-gradient(90deg,var(--g1),var(--g3));border-radius:0 0 10px 10px;width:100%;transform-origin:left}
#toast-popup.show .toast-bar{animation:drain 2.5s linear forwards}
@keyframes drain{from{transform:scaleX(1)}to{transform:scaleX(0)}}

/* ═══ FLOATING CTA ═══ */
.float-contact{
  position:fixed;bottom:32px;right:32px;z-index:900;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--g1);color:white;
  padding:16px 28px;border-radius:50px;
  font-size:20px;font-weight:700;letter-spacing:1px;
  box-shadow:0 8px 32px rgba(107,143,113,0.35);
  cursor:pointer;text-decoration:none;
  transform:translateY(120px);
  transition:all 0.5s cubic-bezier(0.34,1.56,0.64,1);
}
.float-contact.visible{transform:translateY(0)}
.float-contact:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(107,143,113,0.45);background:var(--g2)}
.float-contact svg{width:16px;height:16px;flex-shrink:0}
.float-contact::before{
  content:'';position:absolute;inset:-4px;border-radius:50px;
  border:2px solid var(--g1);opacity:0;
  animation:float-pulse 2.5s ease-in-out infinite;
}
@keyframes float-pulse{0%,100%{opacity:0;transform:scale(1)}50%{opacity:0.3;transform:scale(1.05)}}
@media(max-width:768px){
  .float-contact{bottom:20px;right:20px;padding:14px 22px;font-size:18px}
}

/* ═══ NEWS ARTICLE DETAIL ═══ */
.news-article-section{background:var(--white)}
.news-article-inner{max-width:800px;margin:0 auto}
.news-article-meta{display:flex;align-items:center;gap:16px;margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--border-l)}
.news-article-date{font-family:'Plus Jakarta Sans',sans-serif;font-size:20px;font-weight:600;color:var(--text-l);letter-spacing:1px}
.news-article-cat{display:inline-flex;align-items:center;font-size:17px;font-weight:500;padding:4px 14px;border-radius:20px;white-space:nowrap}
.news-article-cat--notice{background:rgba(107,143,113,0.08);color:var(--g1)}
.news-article-cat--press{background:rgba(123,160,126,0.1);color:var(--g3)}
.news-article-title{font-size:clamp(28px,4vw,38px);font-weight:700;color:var(--text);line-height:1.5;margin-bottom:40px}
.news-article-body{font-size:22px;color:var(--text-b);line-height:2.2}
.news-article-body p{margin-bottom:28px}
.news-article-back{display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--g1);margin-top:56px;padding-top:32px;border-top:1px solid var(--border-l);transition:gap var(--t)}
.news-article-back:hover{gap:12px}
.news-article-back svg{width:13px;height:13px;transform:rotate(180deg)}

/* ═══ RESPONSIVE ═══ */
@media(max-width:1200px){
  .nav{padding:0 40px}
  .section{padding:80px 40px}
  .section-sm{padding:60px 40px}
  .page-hero-content{padding:0 40px 44px}
  .contact-cta{padding:48px 40px}
  .footer-inner{padding:8px 40px 0;grid-template-columns:1.5fr 1fr 1fr}
  .footer-bottom{margin:0 40px;margin-top:4px}
}
@media(max-width:768px){
  :root{--nav-h:64px}
  .nav{padding:0 20px}
  .nav-links{display:none}
  .hamburger{display:flex}
  .section{padding:64px 20px}
  .section-sm{padding:48px 20px}
  .page-hero{height:260px}
  .page-hero-content{padding:0 20px 36px}
  .page-hero-title{font-size:clamp(42px,12vw,66px)}
  .contact-cta{padding:40px 20px}
  .footer-inner{grid-template-columns:1fr 1fr;padding:8px 20px 0}
  .footer-bottom{margin:0 20px;margin-top:4px;flex-direction:column;gap:4px;text-align:center}
}
@media(max-width:480px){
  .footer-inner{grid-template-columns:1fr}
  .contact-cta-btns{flex-direction:column;align-items:center}
}