:root{
  --red-cta:#c40000;
}

/* ===================== HEADER ===================== */
.hdr{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:2rem;
  padding:.85rem clamp(1.2rem,3.5vw,3.2rem);
  opacity:0;                 /* revealed by intro */
}
.hdr::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(to bottom,rgba(0,0,0,.7),transparent);
  pointer-events:none;z-index:-1;
}
.hdr__brand{
  display:flex;flex-direction:row;align-items:center;gap:.9rem;
  text-decoration:none;flex-shrink:0;
}
.hdr__brand img{
  width:clamp(86px,8vw,110px);
  display:block;
  filter:drop-shadow(0 0 10px rgba(255,255,255,.15));
}
.hdr__brand span{
  font-family:"Oswald",sans-serif;
  font-size:.44rem;
  letter-spacing:.28em;
  color:rgba(255,255,255,.5);
  line-height:1.6;
  border-left:1px solid rgba(255,255,255,.2);
  padding-left:.9rem;
}
.hdr__nav{
  display:flex;gap:clamp(1.4rem,2.6vw,2.8rem);
}
.hdr__nav a{
  font-family:"Oswald",sans-serif;
  font-weight:400;
  font-size:.82rem;
  letter-spacing:.18em;
  color:rgba(255,255,255,.82);
  text-decoration:none;
  position:relative;
  padding:.3rem 0;
  transition:color .3s;
}
.hdr__nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;
  width:100%;height:1px;background:var(--red);
  transform:scaleX(0);transform-origin:left;
  transition:transform .35s cubic-bezier(.2,.7,.3,1);
}
.hdr__nav a:hover{color:#fff}
.hdr__nav a:hover::after{transform:scaleX(1)}

.hdr__right{display:flex;align-items:center;gap:1.4rem}
.hdr__social{
  display:flex;align-items:center;gap:1rem;list-style:none;
}
.hdr__social a{
  color:rgba(255,255,255,.72);
  display:flex;transition:color .3s,transform .3s;
}
.hdr__social a:hover{color:#fff;transform:translateY(-2px)}
.hdr__burger{
  width:30px;height:22px;
  background:none;border:none;cursor:pointer;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:0;
}
.hdr__burger span{
  display:block;height:1.6px;width:100%;
  background:#fff;border-radius:2px;
  transition:transform .35s,opacity .3s;
}
.hdr__burger.is-open span:nth-child(1){transform:translateY(10px) rotate(45deg)}
.hdr__burger.is-open span:nth-child(2){opacity:0}
.hdr__burger.is-open span:nth-child(3){transform:translateY(-10px) rotate(-45deg)}

/* ===================== FV ===================== */
.fv{
  position:relative;
  width:100%;
  height:100vh;
  height:100svh;
  overflow:hidden;
  background:#000;
  opacity:0;                 /* shown after loader */
}

/* background slideshow */
.fv__bg{position:absolute;inset:0;z-index:0}
.fv__slide{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  opacity:0;
  transform:scale(1.08);
  transition:opacity 1.6s ease;
  will-change:transform,opacity;
}
.fv__slide.is-active{
  opacity:1;
  animation:kenburns 9s ease-out forwards;
}
@keyframes kenburns{
  from{transform:scale(1.06)}
  to{transform:scale(1.18)}
}

.fv__grad{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(100deg,rgba(0,0,0,.92) 0%,rgba(0,0,0,.55) 38%,rgba(0,0,0,.25) 65%,rgba(0,0,0,.6) 100%),
    linear-gradient(to top,rgba(0,0,0,.95) 0%,transparent 32%),
    linear-gradient(to bottom,rgba(0,0,0,.7) 0%,transparent 22%);
}
.fv__light{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(60% 50% at 72% 30%,rgba(120,150,220,.16),transparent 70%);
  mix-blend-mode:screen;
  animation:lightDrift 9s ease-in-out infinite alternate;
}
@keyframes lightDrift{
  0%{opacity:.5;transform:translate(0,0)}
  100%{opacity:.9;transform:translate(-3%,2%)}
}
.fv__noise{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background-image:url("assets/noise.png");
  background-size:300px;
  opacity:.06;mix-blend-mode:overlay;
  animation:fvNoise .5s steps(3) infinite;
}
@keyframes fvNoise{
  0%{transform:translate(0,0)}50%{transform:translate(-2%,1%)}100%{transform:translate(1%,-1%)}
}

/* right vertical waveform */
.fv__wave{
  position:absolute;
  right:clamp(2.2rem,5vw,5rem);
  top:50%;
  transform:translateY(-50%);
  width:90px;height:62vh;
  z-index:3;
  opacity:.7;
}
/* right vertical tagline */
.fv__vtext{
  position:absolute;
  right:clamp(.7rem,1.8vw,1.6rem);
  top:50%;
  transform:translateY(-50%);
  writing-mode:vertical-rl;
  font-family:"Oswald",sans-serif;
  font-size:.66rem;
  letter-spacing:.34em;
  color:rgba(255,255,255,.5);
  z-index:3;
}

/* content */
.fv__content{
  position:absolute;
  left:clamp(1.4rem,4vw,4.5rem);
  top:clamp(96px,12vh,128px);
  z-index:5;
  max-width:min(62vw,760px);
}
.fv__title{
  margin:0 0 0 -20px;         /* artwork offset */
  line-height:0;
  position:relative;           /* anchor for noise canvas */
}
.fv__title img{
  display:block;
  width:clamp(294px,46.2vw,630px);
  height:auto;
  max-height:44vh;
  filter:drop-shadow(0 6px 40px rgba(0,0,0,.55));
  position:relative;z-index:1;
}
/* noise canvas overlay */
#titleNoise{
  position:absolute;
  top:0;left:0;
  width:100%;height:100%;
  pointer-events:none;
  z-index:2;
  opacity:0;
  mix-blend-mode:lighten;
  will-change:opacity;
}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

.fv__lead{
  margin-top:calc(2.4rem - 20px);   /* nudged up 20px */
  margin-left:50px;          /* offset text block right */
  font-family:"Noto Sans JP",sans-serif;
  font-weight:500;
  font-size:clamp(.95rem,1.6vw,1.2rem);
  letter-spacing:.12em;
  color:#fff;
}
.fv__desc{
  margin-top:1.2rem;
  margin-left:50px;
  font-family:"Noto Sans JP",sans-serif;
  font-weight:300;
  font-size:clamp(.78rem,1.05vw,.9rem);
  line-height:1.9;
  letter-spacing:.06em;
  color:rgba(255,255,255,.7);
}

/* CTA */
.fv__cta{display:flex;gap:1rem;margin-top:2.2rem;margin-left:50px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:.8rem;
  padding:.95rem 1.8rem;
  font-family:"Oswald",sans-serif;
  font-size:.84rem;letter-spacing:.18em;
  text-decoration:none;color:#fff;
  border:1px solid transparent;
  transition:background .3s,border-color .3s,transform .3s;
}
.btn svg{transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.btn:hover svg{transform:translateX(6px)}
.btn--primary{background:var(--red-cta);box-shadow:0 8px 30px rgba(196,0,0,.3)}
.btn--primary:hover{background:#e10000}
.btn--ghost{border-color:rgba(255,255,255,.4)}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}

/* scroll indicator */
.fv__scroll{
  position:absolute;
  left:clamp(1rem,2.4vw,2rem);bottom:100px;
  z-index:6;
  display:flex;flex-direction:column;align-items:center;gap:.8rem;
}
.fv__scroll span{
  writing-mode:vertical-rl;
  font-family:"Oswald",sans-serif;
  font-size:.6rem;letter-spacing:.4em;
  color:rgba(255,255,255,.6);
}
.fv__scroll i{
  position:relative;
  width:1px;height:56px;
  background:rgba(255,255,255,.2);
  overflow:hidden;
}
.fv__scroll i::after{
  content:"";position:absolute;left:0;top:0;
  width:100%;height:40%;
  background:#fff;
  animation:scrollLine 2s cubic-bezier(.6,0,.2,1) infinite;
}
@keyframes scrollLine{
  0%{transform:translateY(-100%)}
  60%,100%{transform:translateY(260%)}
}

/* ===================== NEWS ===================== */
.news{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:6;
  height:80px;
  display:flex;align-items:center;
  gap:clamp(1rem,3vw,2.6rem);
  padding:0 clamp(1.2rem,4vw,4.5rem);
  background:rgba(0,0,0,.35);
  backdrop-filter:blur(6px);
  border-top:1px solid rgba(255,255,255,.18);
  border-bottom:1px solid rgba(255,255,255,.18);
}
.news__label{
  font-family:"Oswald",sans-serif;
  font-size:.78rem;letter-spacing:.3em;
  color:#fff;flex-shrink:0;
  position:relative;padding-left:1.1rem;
}
.news__label::before{
  content:"";position:absolute;left:0;top:50%;
  width:6px;height:6px;margin-top:-3px;border-radius:50%;
  background:var(--red);
  box-shadow:0 0 8px var(--red);
  animation:newsDot 1.8s ease-in-out infinite;
}
@keyframes newsDot{0%,100%{opacity:1}50%{opacity:.3}}
.news__track{position:relative;flex:1;height:100%;overflow:hidden}
.news__item{
  position:absolute;inset:0;
  display:flex;align-items:center;gap:clamp(1rem,2.5vw,2.2rem);
  text-decoration:none;
  opacity:0;transform:translateY(8px);
  transition:opacity .6s,transform .6s;
  pointer-events:none;
}
.news__item.is-active{opacity:1;transform:translateY(0);pointer-events:auto}
.news__item time{
  font-family:"Oswald",sans-serif;
  font-size:.82rem;letter-spacing:.12em;
  color:rgba(255,255,255,.65);flex-shrink:0;
}
.news__item span{
  font-family:"Noto Sans JP",sans-serif;
  font-size:.85rem;letter-spacing:.04em;
  color:#fff;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.news__item:hover span{color:var(--red)}
.news__nav{display:flex;gap:.4rem;flex-shrink:0}
.news__nav button{
  width:30px;height:30px;
  background:none;border:1px solid rgba(255,255,255,.25);
  color:rgba(255,255,255,.7);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:border-color .3s,color .3s,background .3s;
}
.news__nav button:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}

/* ===================== MESSAGE SECTION ===================== */
.message{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:#040404;
  padding:clamp(5rem,12vh,9rem) 0;
}
.message__bg{
  position:absolute;
  inset:-12% 0;            /* extra height for parallax travel */
  z-index:0;
  will-change:transform;
}
.message__video{
  width:100%;height:100%;
  object-fit:cover;
  object-position:right center;
  opacity:.85;
}
.message__overlay{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(90deg,rgba(4,4,4,.96) 0%,rgba(4,4,4,.8) 32%,rgba(4,4,4,.35) 62%,rgba(4,4,4,.55) 100%),
    linear-gradient(to bottom,rgba(4,4,4,.85),transparent 18%,transparent 82%,rgba(4,4,4,.9));
}
.message__noise{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background-image:url("assets/noise.png");
  background-size:300px;opacity:.05;mix-blend-mode:overlay;
}
.message__inner{
  position:relative;z-index:3;
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 clamp(1.4rem,5vw,5rem);
}
.message__title{
  font-family:"Oswald",sans-serif;
  font-weight:600;
  text-transform:uppercase;
  line-height:1.04;
  letter-spacing:.02em;
  margin:0;
}
.message__title span{
  display:block;
  font-size:clamp(2rem,5.4vw,4.6rem);
  color:#fff;
}
.message__title em{font-style:normal;color:var(--red)}

.message__text{margin-top:clamp(1.8rem,4vh,2.8rem)}
.message__heading{
  font-family:"Noto Sans JP",sans-serif;
  font-weight:500;
  font-size:clamp(1.1rem,2.4vw,1.9rem);
  letter-spacing:.14em;
  margin:0 0 clamp(1.4rem,3.2vh,2.2rem);
}
.message__body{
  font-family:"Noto Sans JP",sans-serif;
  font-weight:400;
  font-size:clamp(.85rem,1.3vw,1.05rem);
  line-height:2.5;
  letter-spacing:.1em;
  margin:0;
}
/* scroll-driven red fill (top -> bottom) applied via JS to heading+body */
.fill-text{
  --p:0%;
  color:transparent;
  background-image:linear-gradient(
    to bottom,
    var(--red) 0%,
    var(--red) var(--p),
    rgba(255,255,255,1) var(--p),
    rgba(255,255,255,1) 100%);
  -webkit-background-clip:text;
  background-clip:text;
}

/* ===================== MOBILE NAV DRAWER ===================== */
.mnav{
  position:fixed;inset:0;z-index:200;
  pointer-events:none;
}
.mnav.is-open{pointer-events:auto}
.mnav__overlay{
  position:absolute;inset:0;
  background:rgba(0,0,0,.75);
  opacity:0;transition:opacity .4s ease;
}
.mnav.is-open .mnav__overlay{opacity:1}
.mnav__panel{
  position:absolute;top:0;right:0;
  width:min(340px,88vw);height:100vh;
  background:#0d0d0d;
  display:flex;flex-direction:column;justify-content:center;
  padding:4rem 2.4rem;
  transform:translateX(100%);
  transition:transform .45s cubic-bezier(.16,1,.3,1);
  border-left:1px solid rgba(255,255,255,.07);
}
.mnav.is-open .mnav__panel{transform:translateX(0)}
.mnav__list{
  list-style:none;padding:0;margin:0 0 3rem;
  display:flex;flex-direction:column;gap:.3rem;
}
.mnav__link{
  display:block;
  font-family:"Oswald",sans-serif;
  font-size:clamp(1.6rem,5vw,2rem);
  font-weight:400;
  letter-spacing:.12em;
  color:rgba(255,255,255,.7);
  text-decoration:none;
  padding:.4rem 0;
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:color .25s,padding-left .25s;
}
.mnav__link:hover{color:#fff;padding-left:.5rem}
.mnav__social{
  list-style:none;padding:0;margin:0;
  display:flex;gap:1.4rem;align-items:center;
}
.mnav__social a{
  color:rgba(255,255,255,.5);
  display:flex;transition:color .3s;
}
.mnav__social a:hover{color:var(--red)}

/* ===================== RESPONSIVE ===================== */
@media(max-width:980px){
  .hdr__nav{display:none}
  .fv__content{max-width:88vw}
}
@media(max-width:640px){
  .hdr{padding:1rem 1.1rem}
  .hdr__brand span{display:none}
  .hdr__social{display:none}
  .fv__wave,.fv__vtext{display:none}
  .fv__content{
    left:0;right:0;padding:0 1.4rem;
    max-width:none;text-align:left;
    top:auto;bottom:100px;transform:none;
  }
  #fbanner{display:none}
  .fv__title{margin-left:0}
  .fv__title img{width:min(82vw,420px)}
  .fv__lead,.fv__desc,.fv__cta{margin-left:0}
  .fv__desc br{display:none}
  .fv__cta{flex-direction:column;align-items:stretch}
  .btn{justify-content:center}
  .fv__scroll{display:none}
  .news{
    height:64px;gap:.8rem;padding:0 1.1rem;
  }
  .news__nav{display:none}
  .news__item span{font-size:.76rem}

  .message__video{object-position:center}
  .message__overlay{background:linear-gradient(to bottom,rgba(4,4,4,.9),rgba(4,4,4,.6) 30%,rgba(4,4,4,.75))}
  .message__body{line-height:2.2}
}

/* ===================== REDUCED MOTION ===================== */
@media(prefers-reduced-motion:reduce){
  .fv__slide.is-active{animation:none;transform:scale(1.05)}
  .fv__light,.fv__noise,.fv__scroll i::after,.news__label::before{animation:none}
  .fill-text{color:#fff;background:none;-webkit-text-fill-color:#fff}
}