/* =========================================================
   全ページ共通
   ========================================================= */
:root{
  --jbi-accent:#d85a1a;
  --jbi-accent-rgb:216,90,26;
  --jbi-ink:#171717;
  --jbi-gray:#747474;
  --jbi-line:#e6e6e6;
  --jbi-bg:#f8f8f8;
  --font-en:Inter,sans-serif;
}

/* ---------- base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:#202020;background:#fafafa;font-family:"Noto Sans JP",sans-serif;font-size:14px;line-height:1.8}
body.menu-open,body.lb-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:auto}
figure,p,h1,h2,h3,h4{margin:0}
button{font:inherit}
.wrap{width:min(100% - 40px,1180px);margin:auto}
.wrap.narrow{max-width:1000px}
.section{padding:88px 0}
.section-title small{display:block;margin-bottom:9px;color:#9a9a9a;font:600 10px/1.2 var(--font-en);letter-spacing:.13em}
.section-title h2{font-size:25px;line-height:1.35;letter-spacing:.03em}
.section-title.center{text-align:center}
@media(min-width:960px){
  body{font-size:15px}
  .wrap{width:min(100% - 80px,1180px)}
  .section{padding:125px 0}
  .section-title small{font-size:11px}
  .section-title h2{font-size:30px}
}

/* ---------- button ---------- */
.pill{
  display:inline-flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-width:138px;
  padding:10px 15px;
  border:1px solid #e9e9e9;
  border-radius:100px;
  background:#fff;
  font-size:11px;
  font-weight:700;
  line-height:1.2;
  transition:transform .3s ease,background .3s ease,color .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.pill b{font-size:15px}
.pill:hover{transform:translateY(-2px);box-shadow:0 7px 18px rgba(0,0,0,.09)}
.pill-red{background:var(--jbi-accent);border-color:var(--jbi-accent);color:#fff}
.pill-red:hover{background:#fff;border-color:var(--jbi-accent);color:var(--jbi-accent)}
@media(min-width:960px){
  .pill{min-width:150px;padding:11px 17px;font-size:12px}
}

/* ---------- header ----------
   初期：ヒーロー上に透明で重ねる / スクロール後：白いフローティングヘッダー */
.site-header{
  position:absolute;
  z-index:50;
  top:0;
  left:0;
  display:flex;
  align-items:center;
  width:100%;
  height:74px;
  padding:0 22px;
  border-radius:0;
  background:transparent;
  color:#fff;
  box-shadow:none;
  transition:top .35s ease,left .35s ease,width .35s ease,height .35s ease,padding .35s ease,border-radius .35s ease,background .35s ease,color .35s ease,box-shadow .35s ease,transform .35s ease;
}
.site-header.is-scrolled{
  position:fixed;
  top:12px;
  left:20px;
  width:calc(100% - 40px);
  height:70px;
  padding:0 22px;
  border-radius:10px;
  background:rgba(255,255,255,.97);
  color:#171717;
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:0 10px 34px rgba(0,0,0,.13);
}
.brand{position:relative;z-index:52;display:flex;align-items:center;gap:7px;width:118px;min-width:118px;margin-right:auto}
.brand img{display:block;width:100%;height:auto;object-fit:contain}
.global-nav{display:none}
.global-nav a{transition:opacity .25s ease}
.global-nav a:hover{opacity:.55}
.header-contact{
  display:none;
  border:1px solid var(--jbi-accent);
  background:var(--jbi-accent);
  color:#fff;
  transition:background .25s ease,color .25s ease,border-color .25s ease;
}
.header-contact:hover{background:#fff;border-color:var(--jbi-accent);color:var(--jbi-accent)}
.menu-btn{
  position:relative;
  z-index:52;
  display:flex;
  align-items:center;
  place-content:center;
  gap:12px;
  width:auto;
  height:54px;
  padding:0;
  border:0;
  border-radius:0;
  background:transparent;
  color:inherit;
}
.menu-btn span{font:600 12px/1 var(--font-en);letter-spacing:.06em}
.menu-lines{display:flex;flex-direction:column;gap:5px;width:20px}
.menu-btn i{display:block;width:20px;height:1px;background:currentColor;transition:transform .3s ease,opacity .3s ease}
.menu-btn[aria-expanded="true"] .menu-lines i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-btn[aria-expanded="true"] .menu-lines i:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] .menu-lines i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

@media(max-width:959px){
  .global-nav.open{
    position:fixed;
    z-index:51;
    inset:0;
    display:flex;
    flex-direction:column;
    justify-content:flex-start;
    align-items:flex-start;
    gap:0;
    padding:110px 32px 40px;
    background:rgba(255,255,255,.985);
    color:#171717;
    font-size:17px;
    letter-spacing:.05em;
  }
  .global-nav.open a{width:100%;padding:18px 0;border-bottom:1px solid #e8e8e8}
  .global-nav.open a::after{content:'→';float:right;font-family:var(--font-en);font-weight:400}
  .global-nav.open a[aria-current="page"]{color:var(--jbi-accent)}
  body.menu-open .site-header{
    position:fixed;
    top:12px;
    left:20px;
    width:calc(100% - 40px);
    height:70px;
    padding:0 22px;
    border-radius:10px;
    background:#fff;
    color:#171717;
    box-shadow:0 10px 34px rgba(0,0,0,.13);
  }
}
@media(min-width:960px){
  .site-header{height:82px;padding:0 42px}
  .brand{width:132px;min-width:132px}
  .global-nav{display:flex;gap:31px;margin-left:auto;margin-right:24px;font-size:13px;font-weight:600;white-space:nowrap}
  .global-nav a{position:relative;padding:28px 0}
  .global-nav a::after{content:'';position:absolute;left:0;right:100%;bottom:20px;height:1px;background:currentColor;transition:right .25s ease}
  .global-nav a:hover{opacity:1}
  .global-nav a:hover::after,.global-nav a[aria-current="page"]::after{right:0}
  .header-contact{display:flex;align-items:center;justify-content:center;min-width:116px;height:42px;padding:0 20px;border-radius:999px;font-size:12px;font-weight:700}
  .menu-btn{display:none}
  .site-header.is-scrolled{top:18px;left:50%;transform:translateX(-50%);width:min(calc(100% - 64px),1500px);height:64px;padding:0 18px 0 26px;border-radius:10px}
  .site-header.is-scrolled .global-nav{gap:23px;margin-right:18px;font-size:12px}
  .site-header.is-scrolled .global-nav a{padding:22px 0}
  .site-header.is-scrolled .global-nav a::after{bottom:15px}
  .site-header.is-scrolled .header-contact{height:38px;font-size:11px}
}

/* ---------- footer ---------- */
.footer{padding:65px 0 22px;background:#242424;color:#ddd}
.footer-logo{display:block;width:150px;margin-bottom:20px;color:#fff;font:700 27px var(--font-en)}
.footer-logo img{display:block;width:100%;height:auto}
.footer-company p{font-size:10px;line-height:2}
.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:35px 20px;margin-top:45px}
.footer-links div{display:flex;flex-direction:column;gap:8px}
.footer-links b{margin-bottom:5px;color:#fff;font-size:11px}
.footer-links a{color:#aaa;font-size:9px;transition:opacity .25s ease}
.footer-links a:hover{opacity:.55}
.footer-bottom{display:flex;justify-content:space-between;margin-top:45px;padding-top:20px;border-top:1px solid #393939;color:#777;font:500 8px var(--font-en)}
@media(min-width:960px){
  .footer{padding-top:85px}
  .footer-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:100px}
  .footer-company p{font-size:11px}
  .footer-links{grid-template-columns:repeat(3,1fr);margin-top:0}
  .footer-links b{font-size:13px}
  .footer-links a{font-size:11px}
  .footer-bottom{margin-top:70px}
}

/* ---------- reveal（assets/js/common.js） ---------- */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.is-visible{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.08s}
.reveal-delay-2{transition-delay:.16s}
.reveal-delay-3{transition-delay:.24s}
.reveal-delay-4{transition-delay:.32s}

/* ---------- lightbox（assets/js/common.js） ---------- */
.lightbox{
  position:fixed;
  inset:0;
  z-index:100;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:64px 16px;
  background:rgba(15,15,15,.92);
  opacity:0;
  transition:opacity .25s ease;
}
.lightbox[hidden]{display:none}
.lightbox.is-open{opacity:1}
.lb-figure{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;margin:0}
.lb-img{width:auto;max-width:100%;max-height:calc(100% - 40px);object-fit:contain;box-shadow:0 20px 60px rgba(0,0,0,.4);transition:opacity .25s ease}
.lightbox.is-loading .lb-img{opacity:.3}
.lb-caption{margin-top:14px;color:#eee;font-size:13px;line-height:1.7;text-align:center}
.lb-count{position:absolute;top:22px;left:20px;margin:0;color:#aaa;font:500 12px var(--font-en);letter-spacing:.08em}
.lightbox button{
  position:absolute;
  display:grid;
  place-content:center;
  width:48px;
  height:48px;
  padding:0;
  border:1px solid rgba(255,255,255,.25);
  border-radius:50%;
  background:rgba(0,0,0,.35);
  color:#fff;
  cursor:pointer;
  transition:background .25s ease,border-color .25s ease;
}
.lightbox button[hidden]{display:none}
.lightbox button:hover,.lightbox button:focus-visible{background:var(--jbi-accent);border-color:var(--jbi-accent);outline:0}
.lb-close{top:12px;right:12px}
.lb-close::before,.lb-close::after{content:'';grid-area:1/1;width:18px;height:2px;background:currentColor;transform:rotate(45deg)}
.lb-close::after{transform:rotate(-45deg)}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%)}
.lb-prev{left:12px}
.lb-next{right:12px}
.lb-prev::before,.lb-next::before{content:'';width:11px;height:11px;border-top:2px solid currentColor;border-right:2px solid currentColor}
.lb-prev::before{transform:translateX(2px) rotate(-135deg)}
.lb-next::before{transform:translateX(-2px) rotate(45deg)}
@media(max-width:767px){
  .lightbox{padding:64px 0 90px}
  .lb-prev,.lb-next{top:auto;bottom:20px;transform:none}
  .lb-prev{left:calc(50% - 60px)}
  .lb-next{right:calc(50% - 60px)}
}
@media(min-width:960px){
  .lightbox{padding:70px 100px}
  .lb-prev{left:28px}
  .lb-next{right:28px}
  .lb-close{top:20px;right:24px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none!important}
  *{animation:none!important;transition:none!important}
}