/* UI refinement: original palette, copy and four-screen composition. */
:root{--col:460px;--header:68px}
body::before{background:radial-gradient(ellipse at 52% 90%,#19303b 0,transparent 65%),var(--navy)}
body::after{content:"";position:fixed;inset:24px;border:1px solid #c0a17120;pointer-events:none}
.page{padding:calc(var(--header) + 24px) 32px 68px}
.page-grid{gap:26px}
.tone-base{background:var(--base)}
.tone-sparkle{background:radial-gradient(ellipse at 100% 45%,#e4e5df80,transparent 70%),var(--base)}
.tone-navy{background:radial-gradient(ellipse at 100% 10%,#20333e,transparent 70%),var(--navy)}
.sec-label{font-size:10px;letter-spacing:.22em}
.sec-en{font-size:56px;margin-top:15px;letter-spacing:-.035em}
.catch{font-size:28px;line-height:1.65;margin-top:18px;letter-spacing:.06em}
.sec-body{font-size:14px;line-height:2;gap:15px}
.sec-body .em{font-size:17px;padding-top:21px;margin-top:3px;line-height:1.9}
.bg-num{top:100px;right:15px;font-size:180px;-webkit-text-stroke:1px #c0a17130}
.bg-num::after{color:#8f744870;font-size:9px}
.quotes{margin:2px 0;gap:10px}
.quotes li{padding:10px 13px;background:#e8e9e480;border-left:1px solid var(--gold);box-shadow:none;font-size:16px}
.quotes li:nth-child(2){margin-left:14px}
.ginza{opacity:.8;margin:-4px 0 -6px}
.ginza svg{max-height:78px}
.cycle{gap:34px;padding-top:5px;padding-bottom:17px}
.cycle li{width:74px;height:74px;border-color:#c0a17180;background:#c0a17106}
.cycle li:not(:last-child)::after{width:26px;border-top-style:solid;opacity:.5}
.voices{gap:11px;margin-bottom:3px}
.voices img{width:57px;animation:none!important}
.bubble{border-color:#c0a17190;border-radius:5px;padding:12px 11px;font-size:13px;box-shadow:0 8px 24px #03172205;margin-bottom:14px}
.bubble::after{border-color:#c0a17190}
.site-header{padding:0 18px;background:#f3f4f466;backdrop-filter:blur(12px);border-bottom:1px solid #0317220c}
.brand-logo{width:165px;height:32px}
.menu-button{flex-shrink:0;border:1px solid #c0a17160;border-radius:50%;margin-left:6px}
.header-cta{gap:5px}
.hlink{font-size:10px;padding:9px 5px;letter-spacing:0}
.hlink::before,.hlink::after{content:none}
.hlink--gold{border-bottom:1px solid var(--gold)}
.page--hero{padding:0}
.hero-media{background:url(assets/hero-poster.jpg) center top/cover no-repeat}
.hero-copy{padding:0 30px 86px}
.hero-en{font-size:53px;letter-spacing:-.025em}
.hero-catch{font-size:30px;line-height:1.6;margin-top:13px}
.hero-job{font-size:10px;gap:6px 8px;margin-top:18px}
.hero-job span{font-size:9px}
.swipe-hint{left:30px;transform:none;bottom:22px;flex-direction:row;font-family:var(--sans);font-size:8px;letter-spacing:.18em;gap:16px;min-height:32px}
.swipe-hint i{height:29px}
.video-toggle{position:absolute;z-index:4;right:25px;bottom:27px;border:1px solid #03172240;border-radius:50%;width:36px;height:36px;font:14px var(--sans)}
.next-arrow{width:42px;height:42px;right:30px;bottom:20px}
.next-arrow:hover{background:#c0a17118}
:focus-visible{outline:2px solid var(--gold);outline-offset:5px}
.preview-notice{position:fixed;z-index:50;bottom:25px;left:50%;transform:translate(-50%,15px);width:min(90vw,390px);padding:16px 20px;background:#031722;color:#f3f4f4;border:1px solid var(--gold);font-size:12px;opacity:0;visibility:hidden;transition:.25s;box-shadow:0 10px 30px #0003}
.preview-notice.is-visible{opacity:1;visibility:visible;transform:translate(-50%,0)}
.chapter-nav{display:flex;flex-direction:column;gap:22px;width:min(100%,230px);margin:auto 0}
.chapter-nav a{display:flex;align-items:center;gap:17px;color:#a9b2b6;font-size:12px;transition:color .25s}
.chapter-nav span{font-family:var(--serif-en);font-size:13px;color:var(--gold)}
.chapter-nav a::after{content:"";height:1px;width:0;background:var(--gold);transition:width .35s}
.chapter-nav a[aria-current]{color:#fff}
.chapter-nav a[aria-current]::after{width:30px}
@media(min-width:900px){
.rail{padding:48px clamp(26px,4vw,72px)}
.rail-en{font-size:clamp(34px,3.8vw,62px);letter-spacing:-.035em;white-space:nowrap}
.rail-copy{gap:24px}
.rail-catch{font-size:clamp(20px,1.9vw,28px);line-height:1.95;font-weight:500}
.rail-logo img{width:230px;max-width:100%}
.rail-job{font-size:11px;gap:8px}
.rail-since{font-size:9px;letter-spacing:.2em}
.rail-cta{max-width:240px;gap:12px}
.cta{padding:17px 18px}
.cta-en{font-size:18px}.cta-ja{font-size:10px;letter-spacing:.05em}
.cta-en::before,.cta-en::after{content:none}
.slider{box-shadow:0 0 0 1px #c0a17126,0 0 90px #0003}
}
@media(max-width:380px){.page{padding-left:24px;padding-right:24px}.page--hero{padding:0}.hero-copy{padding-left:24px;padding-right:24px}.brand-logo{width:142px}.site-header{padding:0 12px}.catch{font-size:25px}.hero-en{font-size:45px}.hero-catch{font-size:27px}.bubble{font-size:12px;padding:10px}.voices img{width:48px}}
@media(max-height:760px){.page{padding-top:calc(var(--header) + 12px);padding-bottom:60px}.page--hero{padding:0}.page-grid{gap:18px}.sec-en{font-size:43px;margin-top:10px}.catch{font-size:24px;margin-top:12px}.sec-body{font-size:13px;line-height:1.9;gap:10px}.sec-body .em{font-size:15px;padding-top:14px}.quotes li{padding:7px 12px;font-size:14px}.ginza svg{max-height:53px}.cycle li{width:59px;height:59px}.voices{gap:5px}.bubble{padding:9px 10px}.hero-copy{padding-bottom:77px}.hero-catch{font-size:27px}.hero-en{font-size:47px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
#history .page-grid{gap:18px}
#history .sec-body{gap:10px;font-size:13.5px;line-height:1.9}
#history .ginza svg{max-height:60px}
#history .cycle li{width:64px;height:64px}
#history .catch{margin-top:13px}
@media(max-height:700px){#history .sec-body{font-size:13px;gap:8px}#history .ginza svg{max-height:45px}}
.rail-logo img,.menu-logo{filter:brightness(0) invert(1)}