/* =========================================================
   GROW LOG — Renewal Design Proposal
   Black / chic / luxury  |  RESALE & REUSE corporate site
   ========================================================= */

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
img,svg,video{max-width:100%;display:block}
button,input,textarea,select{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ---------- Tokens ---------- */
:root{
  --bg:#0b0b0d;
  --bg-2:#0f0f12;
  --surface:#151519;
  --surface-2:#1c1c21;
  --line:rgba(200,169,106,.22);
  --line-soft:rgba(233,231,226,.10);
  --gold:#c8a96a;
  --gold-bright:#e4cd9e;
  --text:#e9e7e2;
  --text-dim:#a19d95;
  --text-mute:#6f6c65;
  --white:#fff;
  --maxw:1200px;
  --pad-x:clamp(20px,5vw,64px);
  --sec-y:clamp(52px,7vw,104px);
  --r:4px;
  --ease:cubic-bezier(.22,1,.36,1);
  --font-serif:'Shippori Mincho',"Hiragino Mincho ProN",serif;
  --font-latin:'Cormorant Garamond','Shippori Mincho',serif;
  --font-sans:'Noto Sans JP',system-ui,-apple-system,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
}

/* ---------- Base ---------- */
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  letter-spacing:.02em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}

.container{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad-x);width:100%}
.section{padding-block:var(--sec-y)}
.section--tight{padding-block:clamp(48px,7vw,88px)}
.bg-2{background:var(--bg-2)}
.bg-surface{background:var(--surface)}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.35;letter-spacing:.04em}
.display{
  font-size:clamp(2.1rem,5.4vw,3.9rem);
  font-weight:600;line-height:1.28;letter-spacing:.05em;
}
.h-lg{font-size:clamp(1.7rem,3.4vw,2.5rem)}
.h-md{font-size:clamp(1.3rem,2.4vw,1.7rem)}
.lead{font-size:clamp(1rem,1.6vw,1.15rem);color:var(--text-dim);line-height:2}
.eyebrow{
  font-family:var(--font-latin);
  font-size:.82rem;letter-spacing:.42em;text-transform:uppercase;
  color:var(--gold);display:inline-flex;align-items:center;gap:.9em;font-weight:600;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--gold);opacity:.7}
.eyebrow--center::after{content:"";width:34px;height:1px;background:var(--gold);opacity:.7}
.text-dim{color:var(--text-dim)}
.text-gold{color:var(--gold)}
.jp-vert-accent{font-family:var(--font-latin);font-style:italic;color:var(--gold);letter-spacing:.06em}

.section-head{max-width:760px;margin-bottom:clamp(40px,6vw,72px)}
.section-head .display,.section-head .h-lg{margin-top:.5em}
.section-head p{margin-top:1.4em}
.section-head--center{margin-inline:auto;text-align:center}
.section-head--center .eyebrow{justify-content:center}

/* ---------- Buttons ---------- */
.btn{
  --btn-fg:var(--bg);
  display:inline-flex;align-items:center;justify-content:center;gap:.7em;
  padding:1.05em 2.4em;font-family:var(--font-sans);font-size:.9rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;cursor:pointer;
  border:1px solid var(--gold);border-radius:var(--r);
  background:linear-gradient(180deg,var(--gold-bright),var(--gold));
  color:var(--btn-fg);position:relative;overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),background .3s;
}
.btn:hover{transform:translateY(-3px);box-shadow:0 18px 40px -18px rgba(200,169,106,.6)}
.btn--ghost{background:transparent;color:var(--gold)}
.btn--ghost:hover{background:rgba(200,169,106,.08);box-shadow:none}
.btn--block{width:100%}
.btn--sm{padding:.8em 1.6em;font-size:.8rem}
.btn-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:2.4em}

.link-more{
  display:inline-flex;align-items:center;gap:.8em;color:var(--gold);
  font-family:var(--font-latin);font-size:1.05rem;letter-spacing:.14em;
  text-transform:uppercase;font-weight:600;
}
.link-more::after{content:"";width:40px;height:1px;background:var(--gold);transition:width .4s var(--ease)}
.link-more:hover::after{width:64px}

/* ---------- Header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  padding-block:22px;transition:padding .4s var(--ease),background .4s,border-color .4s,backdrop-filter .4s;
  border-bottom:1px solid transparent;
  background:linear-gradient(180deg,rgba(9,9,11,.72) 0%,rgba(9,9,11,.28) 60%,transparent 100%);
}
.site-header.scrolled{
  padding-block:12px;background:rgba(10,10,12,.82);
  backdrop-filter:blur(14px);border-bottom-color:var(--line);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand svg,.brand img{width:clamp(150px,17vw,190px);height:auto}
.nav{display:flex;align-items:center;gap:clamp(14px,1.9vw,30px)}
.nav a{
  font-size:.82rem;letter-spacing:.1em;color:var(--text-dim);white-space:nowrap;
  position:relative;padding-block:6px;transition:color .3s;
}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);transition:width .35s var(--ease)}
.nav a:hover,.nav a.active{color:var(--text)}
.nav a:hover::after,.nav a.active::after{width:100%}
.header-tools{display:flex;align-items:center;gap:18px}
.lang-switch{display:flex;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.lang-switch button{
  padding:.5em .9em;font-size:.74rem;letter-spacing:.14em;background:transparent;
  color:var(--text-mute);cursor:pointer;border:0;transition:.3s;font-weight:600;
}
.lang-switch button.active{background:var(--gold);color:var(--bg)}
.header-cta{display:inline-flex;white-space:nowrap;line-height:1.2}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r);background:transparent;cursor:pointer;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:1.5px;background:var(--text);transition:.35s var(--ease)}
.burger span:nth-child(1){top:15px}
.burger span:nth-child(2){top:21px}
.burger span:nth-child(3){top:27px}
body.menu-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* mobile menu overlay */
.mobile-menu{
  position:fixed;inset:0;z-index:99;background:var(--bg);
  padding:120px var(--pad-x) 48px;display:flex;flex-direction:column;
  transform:translateY(-100%);transition:transform .6s var(--ease);
  overflow-y:auto;
}
body.menu-open .mobile-menu{transform:translateY(0)}
.mobile-menu a{
  font-family:var(--font-serif);font-size:1.5rem;padding:.7em 0;
  border-bottom:1px solid var(--line-soft);display:flex;justify-content:space-between;align-items:center;
}
.mobile-menu a .en{font-family:var(--font-latin);font-size:.8rem;color:var(--text-mute);letter-spacing:.2em}
.mobile-menu .btn{margin-top:32px}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:92svh;display:flex;align-items:center;padding-block:128px 84px;overflow:hidden}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__media img{width:100%;height:100%;object-fit:cover;opacity:.62;filter:grayscale(.55) brightness(.62) contrast(1.06) sepia(.12)}
.hero__media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(9,9,11,.9) 0%,rgba(9,9,11,.62) 42%,rgba(9,9,11,.32) 100%),
    linear-gradient(180deg,rgba(9,9,11,.62) 0%,rgba(9,9,11,.32) 38%,rgba(9,9,11,.82) 100%),
    radial-gradient(120% 90% at 12% 12%,rgba(200,169,106,.15),transparent 55%);
}
.hero__inner{position:relative;z-index:1;max-width:920px}
.hero .display{margin:.6em 0 .7em}
.hero .display .accent{color:var(--gold);font-family:var(--font-latin);font-style:italic}
.hero__meta{
  display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:3em;padding-top:2.2em;
  border-top:1px solid var(--line);
}
.hero__meta div{display:flex;flex-direction:column;gap:.2em}
.hero__meta .n{font-family:var(--font-latin);font-size:clamp(1.8rem,3.4vw,2.6rem);color:var(--gold);line-height:1}
.hero__meta .l{font-size:.76rem;letter-spacing:.2em;color:var(--text-mute);text-transform:uppercase}
.scroll-cue{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:1;
  font-family:var(--font-latin);font-size:.7rem;letter-spacing:.3em;color:var(--text-mute);
  display:flex;flex-direction:column;align-items:center;gap:10px;
}
.scroll-cue::after{content:"";width:1px;height:52px;background:linear-gradient(var(--gold),transparent);animation:cue 2.4s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- Page hero (sub pages) ---------- */
.page-hero{position:relative;padding:150px 0 clamp(44px,6vw,72px);overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero__media{position:absolute;inset:0;z-index:0}
.page-hero__media img{width:100%;height:100%;object-fit:cover;opacity:.5;filter:grayscale(.6) brightness(.55) contrast(1.05)}
.page-hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,9,11,.72),rgba(9,9,11,.92)),radial-gradient(90% 80% at 12% 20%,rgba(200,169,106,.12),transparent 55%)}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-size:clamp(2rem,4.6vw,3.2rem);margin:.4em 0 .3em}
.page-hero .en-title{font-family:var(--font-latin);font-style:italic;color:var(--gold);font-size:1.1rem;letter-spacing:.1em}
.breadcrumb{display:flex;gap:.8em;font-size:.78rem;letter-spacing:.1em;color:var(--text-mute);margin-top:1.6em}
.breadcrumb a:hover{color:var(--gold)}

/* ---------- Grid helpers ---------- */
.grid{display:grid;gap:clamp(20px,3vw,36px)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:center}
.split--wide-left{grid-template-columns:1.15fr .85fr;align-items:start}
.split--top{align-items:start}

/* ---------- Cards ---------- */
.card{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r);
  padding:clamp(26px,3vw,40px);position:relative;overflow:hidden;
  transition:transform .5s var(--ease),border-color .5s,background .5s;
}
.card:hover{transform:translateY(-6px);border-color:var(--line);background:var(--surface-2)}
.card__no{font-family:var(--font-latin);font-size:.9rem;letter-spacing:.3em;color:var(--gold);opacity:.8}
.card h3{margin:.7em 0 .5em;font-size:1.25rem}
.card p{font-size:.94rem;color:var(--text-dim)}
.card__icon{width:52px;height:52px;margin-bottom:18px;color:var(--gold)}
.card--link::after{content:"→";position:absolute;right:26px;bottom:22px;color:var(--gold);opacity:0;transform:translateX(-8px);transition:.4s var(--ease)}
.card--link:hover::after{opacity:1;transform:translateX(0)}

/* service list (numbered, editorial) */
.svc-item{
  display:grid;grid-template-columns:auto 1fr auto;gap:clamp(20px,4vw,60px);align-items:start;
  padding:clamp(32px,5vw,60px) 0;border-top:1px solid var(--line-soft);
}
.svc-item:last-child{border-bottom:1px solid var(--line-soft)}
.svc-item .no{font-family:var(--font-latin);font-size:clamp(1.6rem,3vw,2.4rem);color:var(--gold)}
.svc-item h3{font-size:clamp(1.3rem,2.4vw,1.8rem);margin-bottom:.5em}
.svc-item p{color:var(--text-dim);max-width:52ch}
.svc-item .thumb{width:clamp(160px,22vw,260px);aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);filter:grayscale(.42) contrast(1.04) brightness(.9)}
.svc-item ul{margin-top:1.2em;display:flex;flex-wrap:wrap;gap:8px}
.svc-item ul li{font-size:.76rem;letter-spacing:.08em;color:var(--gold);border:1px solid var(--line);padding:.4em .9em;border-radius:99px}

/* genre grid (what we buy) */
.genre{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.genre a{
  background:var(--bg);padding:clamp(22px,3vw,34px) 20px;display:flex;flex-direction:column;
  align-items:center;gap:14px;text-align:center;transition:background .4s,color .4s;
}
.genre a:hover{background:var(--surface-2)}
.genre svg{width:44px;height:44px;color:var(--gold);transition:transform .5s var(--ease)}
.genre a:hover svg{transform:translateY(-4px) scale(1.06)}
.genre .name{font-family:var(--font-serif);font-size:1rem}
.genre .en{font-family:var(--font-latin);font-size:.7rem;letter-spacing:.2em;color:var(--text-mute)}

/* stat band */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-block:1px solid var(--line)}
.stat-band div{background:var(--bg);padding:clamp(30px,4vw,52px) 24px;text-align:center}
.stat-band .n{font-family:var(--font-latin);font-size:clamp(2.2rem,4.4vw,3.4rem);color:var(--gold);line-height:1;display:block}
.stat-band .n small{font-size:.4em;letter-spacing:.05em;margin-left:.2em}
.stat-band .l{font-size:.78rem;letter-spacing:.16em;color:var(--text-dim);margin-top:1em;text-transform:uppercase}

/* reasons */
.reason{display:flex;gap:22px;padding:26px 0;border-bottom:1px solid var(--line-soft)}
.reason .rn{font-family:var(--font-latin);font-size:1.4rem;color:var(--gold);flex-shrink:0;width:2ch}
.reason h3{font-size:1.15rem;margin-bottom:.4em}
.reason p{font-size:.92rem;color:var(--text-dim)}

/* area list */
.area-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line-soft)}
.area-grid div{background:var(--bg);padding:26px 16px;text-align:center}
.area-grid .jp{font-family:var(--font-serif);font-size:1.15rem}
.area-grid .en{font-family:var(--font-latin);font-size:.68rem;letter-spacing:.24em;color:var(--text-mute);margin-top:.4em}

/* timeline */
.timeline{position:relative;margin-left:8px}
.timeline::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line)}
.timeline li{position:relative;padding:0 0 34px 40px}
.timeline li::before{content:"";position:absolute;left:-4px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--gold)}
.timeline .yr{font-family:var(--font-latin);font-size:1.1rem;color:var(--gold);letter-spacing:.08em}
.timeline p{font-size:.92rem;color:var(--text-dim);margin-top:.3em}

/* profile table */
.spec-table{width:100%;border-top:1px solid var(--line)}
.spec-table tr{border-bottom:1px solid var(--line-soft)}
.spec-table th,.spec-table td{text-align:left;padding:20px 8px;vertical-align:top;font-size:.94rem}
.spec-table th{width:200px;font-family:var(--font-serif);font-weight:600;color:var(--text);letter-spacing:.06em}
.spec-table td{color:var(--text-dim)}

/* news list */
.news-list li{border-bottom:1px solid var(--line-soft)}
.news-list a{display:grid;grid-template-columns:130px 120px 1fr;gap:24px;align-items:center;padding:22px 4px;transition:.3s}
.news-list a:hover{color:var(--gold);padding-left:12px}
.news-list .date{font-family:var(--font-latin);letter-spacing:.08em;color:var(--text-mute);font-size:.9rem}
.news-list .cat{font-size:.7rem;letter-spacing:.14em;color:var(--gold);border:1px solid var(--line);padding:.35em 0;text-align:center;text-transform:uppercase}
.news-list .ttl{font-size:.96rem}

/* accordion / faq */
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-q{width:100%;background:none;border:0;text-align:left;cursor:pointer;padding:26px 44px 26px 40px;position:relative;font-family:var(--font-serif);font-size:1.05rem;color:var(--text);letter-spacing:.03em}
.faq-q::before{content:"Q";position:absolute;left:0;top:26px;font-family:var(--font-latin);color:var(--gold);font-size:1.1rem}
.faq-q::after{content:"";position:absolute;right:6px;top:32px;width:12px;height:12px;border-right:1.5px solid var(--gold);border-bottom:1.5px solid var(--gold);transform:rotate(45deg);transition:transform .4s var(--ease)}
.faq-item.open .faq-q::after{transform:rotate(225deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .5s var(--ease)}
.faq-a p{padding:0 40px 28px;color:var(--text-dim);font-size:.94rem}

/* steps */
.steps{counter-reset:step;display:grid;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.steps li{background:var(--bg);padding:clamp(24px,3vw,38px);position:relative;counter-increment:step}
.steps li::before{content:"0" counter(step);font-family:var(--font-latin);font-size:1.6rem;color:var(--gold);opacity:.55}
.steps h4{margin:.5em 0 .4em;font-size:1.1rem}
.steps p{font-size:.9rem;color:var(--text-dim)}

/* quote / message */
.message-block{position:relative;padding-left:clamp(20px,4vw,56px);border-left:2px solid var(--gold)}
.message-block .big{font-family:var(--font-serif);font-size:clamp(1.3rem,2.6vw,1.9rem);line-height:1.9;letter-spacing:.04em}
.message-block .sign{margin-top:2em;font-family:var(--font-latin);letter-spacing:.1em;color:var(--text-dim)}
.message-block .sign b{color:var(--text);font-size:1.15rem;font-family:var(--font-serif);display:block}

/* pull image */
.framed{position:relative;border:1px solid var(--line);padding:14px;background:var(--surface)}
.framed img{filter:grayscale(.42) contrast(1.04) brightness(.9);width:100%;aspect-ratio:4/3;object-fit:cover}
.framed--tall img{aspect-ratio:3/4}
.img-caption{font-family:var(--font-latin);font-size:.74rem;letter-spacing:.2em;color:var(--text-mute);margin-top:1em;text-transform:uppercase}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px 28px}
.field{display:flex;flex-direction:column;gap:.6em}
.field--full{grid-column:1/-1}
.field label{font-size:.82rem;letter-spacing:.12em;color:var(--text-dim);text-transform:uppercase;display:flex;gap:.6em;align-items:center}
.field label .req{color:var(--gold);font-size:.7rem;border:1px solid var(--line);padding:.1em .5em;border-radius:2px}
.field input,.field select,.field textarea{
  background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--r);
  padding:1em 1.1em;color:var(--text);transition:border-color .3s,background .3s;font-size:.95rem;
}
.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold);background:var(--bg);outline:none}
.field .err{color:#e08b7b;font-size:.78rem;letter-spacing:.04em;min-height:1.1em;text-transform:none}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#c0614f}
.form-note{font-size:.82rem;color:var(--text-mute);margin-top:1.5em;line-height:1.9}
.form-success{
  display:none;padding:28px;border:1px solid var(--gold);border-radius:var(--r);
  background:rgba(200,169,106,.06);color:var(--text);margin-top:24px;
}
.form-success.show{display:block;animation:fadeUp .6s var(--ease)}
.check-row{display:flex;gap:.8em;align-items:flex-start;font-size:.86rem;color:var(--text-dim);letter-spacing:normal;text-transform:none}
.check-row input{width:18px;height:18px;flex-shrink:0;margin-top:3px;accent-color:var(--gold)}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;text-align:center;border-block:1px solid var(--line)}
.cta-band__media{position:absolute;inset:0;z-index:0}
.cta-band__media img{width:100%;height:100%;object-fit:cover;opacity:.34;filter:grayscale(.6) brightness(.6) contrast(1.05)}
.cta-band__media::after{content:"";position:absolute;inset:0;background:radial-gradient(90% 130% at 50% 10%,rgba(11,11,13,.55),rgba(11,11,13,.9) 75%),radial-gradient(70% 90% at 50% 0%,rgba(200,169,106,.16),transparent 60%)}
.cta-band .container{position:relative;z-index:1}
.cta-band .display{margin:.4em auto .6em;max-width:16ch}
.cta-band p{max-width:52ch;margin-inline:auto;color:var(--text-dim)}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding-block:clamp(56px,7vw,88px) 32px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand svg,.footer-brand img{width:180px;margin-bottom:22px}
.footer-brand p{font-size:.86rem;color:var(--text-mute);max-width:34ch}
.footer-col h4{font-family:var(--font-latin);font-size:.8rem;letter-spacing:.24em;color:var(--gold);text-transform:uppercase;margin-bottom:1.4em}
.footer-col a{display:block;font-size:.86rem;color:var(--text-dim);padding:.45em 0;transition:.3s}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:clamp(40px,6vw,72px);padding-top:28px;border-top:1px solid var(--line-soft);font-size:.76rem;color:var(--text-mute);letter-spacing:.08em}
.footer-bottom a:hover{color:var(--gold)}

/* ---------- Proposal ribbon ---------- */
.proposal-ribbon{
  position:fixed;left:0;bottom:0;z-index:80;
  background:var(--gold);color:var(--bg);font-size:.68rem;letter-spacing:.18em;
  padding:.5em 1.1em;text-transform:uppercase;font-weight:700;font-family:var(--font-sans);
  border-top-right-radius:var(--r);
}

/* ---------- Chatbot ---------- */
.chat-fab{
  position:fixed;right:24px;bottom:24px;z-index:90;width:62px;height:62px;border-radius:50%;
  border:1px solid var(--gold);background:linear-gradient(160deg,var(--surface-2),var(--bg));
  color:var(--gold);cursor:pointer;display:grid;place-items:center;
  box-shadow:0 20px 50px -20px rgba(0,0,0,.9);transition:transform .5s var(--ease);
}
.chat-fab:hover{transform:scale(1.07) translateY(-2px)}
.chat-fab svg{width:26px;height:26px}
.chat-fab .dot{position:absolute;top:6px;right:6px;width:10px;height:10px;border-radius:50%;background:var(--gold-bright);box-shadow:0 0 0 4px rgba(200,169,106,.25);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

.chat-panel{
  position:fixed;right:24px;bottom:24px;z-index:95;width:min(390px,calc(100vw - 32px));
  height:min(600px,calc(100svh - 48px));background:var(--bg-2);border:1px solid var(--line);
  border-radius:10px;display:flex;flex-direction:column;overflow:hidden;
  transform:translateY(24px) scale(.96);opacity:0;pointer-events:none;
  transition:transform .5s var(--ease),opacity .4s;box-shadow:0 40px 90px -30px rgba(0,0,0,.9);
}
.chat-panel.open{transform:translateY(0) scale(1);opacity:1;pointer-events:auto}
.chat-head{display:flex;align-items:center;gap:12px;padding:18px 20px;border-bottom:1px solid var(--line);background:var(--surface)}
.chat-head .avatar{width:38px;height:38px;border-radius:50%;border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold);flex-shrink:0}
.chat-head .avatar svg{width:20px;height:20px}
.chat-head b{font-family:var(--font-serif);font-size:.98rem;letter-spacing:.04em}
.chat-head .status{font-size:.7rem;color:var(--text-mute);letter-spacing:.1em;display:flex;align-items:center;gap:.5em}
.chat-head .status::before{content:"";width:6px;height:6px;border-radius:50%;background:#7fc08b}
.chat-close{margin-left:auto;background:none;border:0;color:var(--text-mute);cursor:pointer;font-size:1.4rem;line-height:1}
.chat-close:hover{color:var(--gold)}
.chat-body{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.msg{max-width:82%;padding:.85em 1.1em;font-size:.88rem;line-height:1.8;border-radius:12px;letter-spacing:.01em}
.msg.bot{background:var(--surface-2);border:1px solid var(--line-soft);border-bottom-left-radius:3px;align-self:flex-start}
.msg.user{background:linear-gradient(180deg,var(--gold-bright),var(--gold));color:var(--bg);border-bottom-right-radius:3px;align-self:flex-end;font-weight:500}
.msg.typing{display:flex;gap:5px;align-self:flex-start}
.msg.typing span{width:7px;height:7px;border-radius:50%;background:var(--text-mute);animation:blink 1.4s infinite}
.msg.typing span:nth-child(2){animation-delay:.2s}
.msg.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.2;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
.chat-quick{display:flex;flex-wrap:wrap;gap:8px;padding:0 20px 12px}
.chat-quick button{
  font-size:.76rem;letter-spacing:.04em;color:var(--gold);background:transparent;
  border:1px solid var(--line);border-radius:99px;padding:.55em 1em;cursor:pointer;transition:.3s;
}
.chat-quick button:hover{background:rgba(200,169,106,.1)}
.chat-input{display:flex;gap:10px;padding:14px 16px;border-top:1px solid var(--line);background:var(--surface)}
.chat-input input{flex:1;background:var(--bg-2);border:1px solid var(--line-soft);border-radius:99px;padding:.8em 1.1em;font-size:.86rem}
.chat-input input:focus{border-color:var(--gold);outline:none}
.chat-input button{width:42px;height:42px;border-radius:50%;border:0;background:linear-gradient(160deg,var(--gold-bright),var(--gold));color:var(--bg);cursor:pointer;display:grid;place-items:center;flex-shrink:0;transition:transform .3s}
.chat-input button:hover{transform:scale(1.08)}
.chat-disclaimer{font-size:.66rem;color:var(--text-mute);text-align:center;padding:8px 16px;letter-spacing:.04em;line-height:1.7}

/* ---------- Media wrappers + graceful fallback ---------- */
/* NB: no `position` here — full-bleed layers (.hero__media, .page-hero__media,
   .cta-band__media, .lp-hero__media) set their own position:absolute. */
[data-media]{
  overflow:hidden;background:
    radial-gradient(120% 120% at 20% 0%,rgba(200,169,106,.16),transparent 55%),
    linear-gradient(140deg,#1a1a1f,#0b0b0d 70%);
}
[data-media] img{transition:opacity .8s var(--ease)}
[data-media].media-fallback::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(200,169,106,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(200,169,106,.10) 1px,transparent 1px);
  background-size:44px 44px;background-position:center;
}
[data-media].media-fallback::after{
  content:"GL";position:absolute;inset:0;display:grid;place-items:center;
  font-family:var(--font-latin);font-size:clamp(3rem,10vw,7rem);letter-spacing:.1em;
  color:transparent;-webkit-text-stroke:1px rgba(200,169,106,.45);opacity:.6;
}

/* ---------- Reveal animation ---------- */
[data-reveal]{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal-delay="1"]{transition-delay:.08s}
[data-reveal-delay="2"]{transition-delay:.16s}
[data-reveal-delay="3"]{transition-delay:.24s}
[data-reveal-delay="4"]{transition-delay:.32s}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}

/* ---------- Legal / prose ---------- */
.prose{max-width:800px}
.prose h2{font-size:1.25rem;margin:2.4em 0 .8em;padding-top:1.4em;border-top:1px solid var(--line-soft);color:var(--text)}
.prose h2:first-of-type{border-top:0;padding-top:0;margin-top:0}
.prose h3{font-size:1.02rem;margin:1.6em 0 .5em;color:var(--gold)}
.prose p,.prose li{font-size:.92rem;color:var(--text-dim);line-height:2}
.prose ol{list-style:decimal;padding-left:1.4em;margin:.6em 0}
.prose ul{list-style:disc;padding-left:1.4em;margin:.6em 0}
.prose li{margin:.3em 0}
.prose .updated{font-family:var(--font-latin);font-size:.8rem;letter-spacing:.16em;color:var(--text-mute);text-transform:uppercase;margin-bottom:2.4em}

/* ---------- Utilities ---------- */
.mt-0{margin-top:0}.mt-1{margin-top:1em}.mt-2{margin-top:2em}.mt-3{margin-top:3em}
.center{text-align:center}
.divider{height:1px;background:var(--line);border:0;margin:0}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-list li{font-size:.74rem;letter-spacing:.1em;color:var(--text-dim);border:1px solid var(--line);padding:.5em 1em;border-radius:99px}
.lang-en{display:none}
html[data-lang="en"] .lang-jp{display:none}
html[data-lang="en"] .lang-en{display:revert}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav,.header-cta{display:none}
  .burger{display:block}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .genre{grid-template-columns:repeat(2,1fr)}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .area-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:768px){
  body{font-size:15px}
  .split,.split--wide-left{grid-template-columns:1fr;gap:36px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .svc-item{grid-template-columns:1fr;gap:18px}
  .svc-item .thumb{width:100%;max-width:340px}
  .news-list a{grid-template-columns:1fr;gap:6px}
  .news-list .cat{width:max-content;padding:.35em 1em}
  .spec-table th{width:120px}
  .hero{min-height:82svh;padding-block:112px 64px}
  .hero__media img{opacity:.5}
  .hero__meta{gap:12px 22px}
  .eyebrow{font-size:.72rem;letter-spacing:.24em}
  .eyebrow::before,.eyebrow--center::after{width:20px}
  .stat-band,.area-grid{grid-template-columns:1fr 1fr}
  .proposal-ribbon{font-size:.6rem}
}
@media (max-width:420px){
  .area-grid{grid-template-columns:1fr}
  .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  [data-reveal]{opacity:1;transform:none}
}