/* Base */
:root{
  --blue-0:#06306A;
  --blue-1:#04224A;
  --blue-2:#071E44;
  --blue-3:#061A3A;
  --blue-4:#071733;

  --black:#000000;
  --panel:#3A475E;
  --present:#5A5F66;

  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
}
html {scroll-behavior:smooth;}
html, body { height: 100%;}
body{
  color: var(--text);
  font-family: "Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;
  background-image: linear-gradient(180deg, #000000 20%, #002c76 40% 50%, #000000);
  transition: background 800ms ease;
  font-size: 18px;
}

.text-white {color: #FFF !important;}

br.sp {
  display: none;
}
@media(max-width: 767px){
  br.sp {
    display: block;
  }
}
/* Topbar */
.topbar{
  position: fixed;
  top: 0; right: 20px;;
  z-index: 50;
  padding-top: 18px;
}

/* ===== Humbergar ===== */
.menu-panel{
  position:fixed;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  pointer-events:none;
  transition:.4s;
  z-index:200;
  background: #000;
}
.menu-panel.is-open{
  opacity:1;
  pointer-events:auto;
}
.menu-list{
  font-family: "Orbitron", system-ui, sans-serif;
  list-style:none;
  padding:0;
  margin:0;
  text-align:center;
}
.menu-link{
  display:block;
  font-size:28px;
  letter-spacing:.2em;
  color:#fff;
  padding:16px 0;
  text-decoration:none;
}
.menu-link:hover{
  color:#6bbcff;
}

.menu-backdrop{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.55);
  opacity:0;
  pointer-events:none;
  transition:.25s;
  z-index:180;
}
.menu-backdrop.is-open{
  opacity:1;
  pointer-events:auto;
}


.menu-panel.is-open{ transform:none; }

.menu-close{
  position:absolute;
  top:16px; right:16px;
  width:44px; height:44px;
  border:none;
  background:transparent;
  color:#fff;
  font-size:26px;
  line-height:1;
}

.menu-btn{
  width:52px;
  height:52px;
  border:none;
  background: inherit;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}

/* 3本線 */
.hamburger{
  width:26px;
  height:18px;
  position:relative;
  display:block;
}
.hamburger span{
  position:absolute;
  left:0;
  right:0;
  height:2px;
  background:#fff;
  border-radius:2px;
}
.hamburger span:nth-child(1){ top:0; }
.hamburger span:nth-child(2){ top:8px; }
.hamburger span:nth-child(3){ bottom:0; }

/* 開いている時に “×” に変形したい場合（任意） */
.menu-btn.is-open .hamburger span:nth-child(1){
  top:8px;
  transform:rotate(45deg);
}
.menu-btn.is-open .hamburger span:nth-child(2){
  opacity:0;
}
.menu-btn.is-open .hamburger span:nth-child(3){
  bottom:auto;
  top:8px;
  transform:rotate(-45deg);
}


/* メニューはデフォルト非表示（←これがないと全画面を覆って真っ黒になる） */
#menu{
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
}

/* 開いたときだけ表示 */
#menu.is-open{
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}


/* HERO */
/* ===== HERO本体 ===== */
.hero{
  position: relative;
  min-height: 100vh;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== hero背景画像レイヤー ===== */
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(170deg, #003a8a 0%, #001428 35%, #000 100%);
  z-index: 0;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background: url("./assets/hero_bg.png") center / contain no-repeat;
  opacity: .92;          /* 濃さ調整 */
  z-index: 1;
  pointer-events: none;
}
.hero > *{
  position: relative;
  z-index: 2;
}

.hero .hero-bg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

.hero > .container,
.hero .hero-inner{
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-inner{
  position:relative;
  height: 740px;
  display:flex;
  align-items:center;
  justify-content:flex-end;
}
.hero-title-wrap{
  margin-right: 12px;
  text-align:left;
  transform: translateY(-10px);
}
.hero-title{
  font-family: "Orbitron", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: .08em;
  font-size: clamp(34px, 5vw, 58px);
  margin:0;
  text-shadow: 0 0 16px rgba(255,255,255,.12);
}
.hero-sub{
  font-family: "Orbitron", system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: .06em;
  font-size: clamp(16px, 2vw, 22px);
  margin-top: 8px;
}

/* Sections */
.section{
  padding: 8rem 0 8rem;
}

.section-heading{
  position: relative;
  padding-left: 78px;
  margin-bottom: 22px;
}
.section-heading::before{
  content:"";
  position:absolute;
  left: 0;
  top: 8px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background:url("./assets/icon_wheel.png");
  background-size: contain;
  opacity: .55;
}
.section-title{
  font-family: "Orbitron", system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: .04em;
  font-size: clamp(40px, 6vw, 64px);
  margin:0;
  padding-top: 40px;
}
.title-frame {
  display: block;
}
@media(max-width: 767px){
  .section{
    padding: 4rem 1.4rem 4rem 1.4rem;
  }
  .section-heading {
    padding-left: 2rem;
  }
  .section-title{
    font-size: clamp(30px, 6vw, 64px);
  }
  .section-heading::before {
    width: 70px;
    height: 70px;
  }
}



/* Stage */
.stage-lead{
  font-size: 2rem;
  line-height: 1.75;
  text-align: left;
  margin: 0 0 18px;
  color: var(--text);
  letter-spacing: .15rem;
}
.stage-logo-box{
  padding: 18px 8px;
  text-align:center;
}
.stage-copy{
  font-size: 1.2rem;
  line-height: 1.8;
  color: rgba(255,255,255,.78);
  margin-bottom: 12px;
  letter-spacing: .15rem;
}
.stage-foot{
  font-size: 1.1rem;
  line-height: 1.9;
  color: rgba(255,255,255,.70);
  margin-top: 10px;
  letter-spacing: .15rem;
}

@media(max-width: 767px){
  .stage-lead{
    font-size: 1.5rem;
    line-height: 1.5;
  }
  .stage-copy{
    font-size: 1rem;
    line-height: 1.8;
  }
}


/* Booth */
.booth-title{
  font-size: 2rem;
  line-height: 1.75;
  margin: 0;
  letter-spacing: .15rem;
}
.booth-sub{
  font-size: 1.2rem;
  font-weight: 700;
  opacity: .95;
  letter-spacing: .15rem;
}
.booth-copy{
  font-size: 1.2rem;
  line-height: 1.9;
  color: rgba(255,255,255,.78);
  margin-top: 10px;
  letter-spacing: .15rem;
}

@media(max-width: 767px){
  .booth-title{
    font-size: 1.5rem;
    line-height: 1.5;
  }
.booth-sub, .booth-copy{
    font-size: 1rem;
    line-height: 1.8;
  }
}


/* Present trapezoid */
.present-row{
  display:flex;
  justify-content:flex-start;
}
.present-card{
  width: min(620px, 100%);
  position: relative;
  padding-top: 26px;
}
.present-label{
  font-family: "Orbitron", system-ui, sans-serif;
  font-size: 1rem;
  letter-spacing: .05em;
  opacity: .9;
  margin-left: 10px;
  margin-bottom: 6px;
  letter-spacing: .15rem;
}
.present-body{
  position: relative;
  padding: 16px 22px;
  font-size: 1.2rem;
  line-height: 1.7;
  color: rgba(255,255,255,.82);
  letter-spacing: .15rem;
}
.present-body::before{
  content:"";
  position:absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(90,95,102,.55), rgba(90,95,102,.35));
  transform: skewX(-16deg);
  transform-origin: left center;
  border-radius: 2px;
  z-index: -1;
}
.present-card--center .present-body::before{
  background: linear-gradient(90deg, rgba(90,95,102,.40), rgba(90,95,102,.28));
}
.present-card--center{ margin-left:auto; margin-right:auto; }

@media(max-width: 767px){
  .present-row{
    padding-left: 2rem;
    padding-right: 2rem;
  }
  .present-label,.present-body{
    font-size: 1rem;
    line-height: 1.8;
  }
}


/* Program */
.program h3 {
  font-size: 5rem;
  font-family: "Orbitron", system-ui, sans-serif;
  color: #fef5e5;
  padding-top: 2rem;
  padding-bottom: 2rem;
  line-height: 1.5;
}
.program-lead{
  font-size: 2rem;
  line-height: 1.75;
  text-align: left;
  margin: 0;
  line-height: 1.5;
}
.dj-ring{
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: none;
  overflow:hidden;
  display:inline-block;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.dj-img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display:block;
}
.program-meta{
  font-size: 1.2rem;
  line-height: 2.0;
  color: rgba(255,255,255,.85);
  line-height: 1.5;
}
.program-row span{
  display:inline-block;
  width: 100px;
  color: rgba(255,255,255,.70);
}
.btn-homepage{
  border: 1px solid rgba(255,255,255,.85);
  border-radius: 0;
  padding: 10px 38px;
  background: transparent;
  color: #fff;
  font-family: "Orbitron", system-ui, sans-serif;
  letter-spacing: .04em;
}
.btn-homepage:hover{
  background: rgba(255,255,255,.08);
  color:#fff;
}

@media(max-width: 767px){
  .program h3 {
    font-size: 2rem;
    font-family: "Orbitron", system-ui, sans-serif;
    color: #fef5e5;
    padding-top: 2rem;
    padding-bottom: 2rem;
    line-height: 1.5;
  }
  .program-lead{
    font-size: 1rem;
    line-height: 1.8;
  }
  .dj-ring{
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: none;
    overflow:hidden;
    display:inline-block;
    box-shadow: 0 10px 30px rgba(0,0,0,.25);
  }
  .program-row {
    margin-bottom: 1.5rem;
  }
}


/* Report */
.report-list{
  display: grid;
  gap: 18px;
}
.report-item{
  background: rgba(58,71,94,.92);
  border-radius: 0;
  padding: 16px;
  display:flex;
  gap: 18px;
  align-items: center;
}
.report-thumb img{
  width: 100%;
  height: auto;
  display:block;
}
.report-text h4{
  font-size: 1.2rem;
  margin: 0 0 6px;
  font-weight: 700;
  line-height: 1.5;
}
.report-text p{
  margin:0;
  font-size: 1.2rem;
  line-height: 1.2;
  color: rgba(255,255,255,.78);
  line-height: 1.5;
}

@media(max-width: 767px){
  .report-text h4{
    font-size: 1.1rem;
  }
  .report-text p{
    font-size: 1rem;
  }
  .report-item{
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
  }
}


/* report thumb → clickable video */
.report-video{
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.report-video img{
  width: 100%;
  height: auto;
  display: block;
}

/* play icon overlay */
.report-video::after{
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 64px;
  height: 64px;
  border-radius: 999px;
  background: rgba(0,0,0,.55);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}

.report-video::before{
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-38%, -50%);
  width: 0;
  height: 0;
  border-left: 18px solid #fff;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  z-index: 1;
}

/* small screens */
@media (max-width: 767px){
  .report-video::after{ width: 56px; height: 56px; }
  .report-video::before{
    border-left-width: 16px;
    border-top-width: 11px;
    border-bottom-width: 11px;
  }
}

/* MOVIE  */
.video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 16;
}
.video-wrap iframe,
.video-wrap video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  border:0;
  object-fit: contain;    /* 全体表示したいなら contain（切り抜きなら cover） */
}

.video-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
/* Footer */
.footer-copy{
  font-family: "Orbitron", system-ui, sans-serif;
  letter-spacing: .06em;
  color: rgba(255,255,255,.8);
}
.footer-copy span{ font-weight: 800; }

/* Fade-in */
.fade-in{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms ease, transform 650ms ease;
  will-change: opacity, transform;
}
.fade-in.is-visible{
  opacity: 1;
  transform: translateY(0);
}