:root{
  --primary:#08275c;
  --primary-light:#0b69c7;
  --blue-bg:#f4f8fd;
  --text:#1b2a42;
  --text-light:#667085;
  --white:#fff;
  --border:#dbe5f1;
  --green:#18a058;
  --orange:#f28c28;
  --shadow:0 10px 30px rgba(0,0,0,.08);
  --shadow-strong:0 18px 45px rgba(0,0,0,.18);
  --radius:28px;
  --transition:.3s ease;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  font-family:'Noto Sans JP',sans-serif;
  background:var(--blue-bg);
  color:var(--text);
  line-height:1.8;
}

img{
  width:100%;
  display:block;
}

a{
  text-decoration:none;
  color:inherit;
}

ul{
  list-style:none;
}

.section{
  padding:100px 20px;
}

.section-inner{
  max-width:1200px;
  margin:auto;
}

.section-heading{
  margin-bottom:60px;
}

.section-heading.center{
  text-align:center;
}

.section-heading.white{
  color:#fff;
}

.section-en{
  display:inline-block;
  font-size:13px;
  font-weight:900;
  letter-spacing:.2em;
  color:#c79a39;
  margin-bottom:14px;
}

.section-en.white{
  color:#fff;
}

.section-heading h2{
  font-size:54px;
  line-height:1.2;
  margin-bottom:20px;
  color:var(--primary);
}

.section-heading.white h2{
  color:#fff;
}

.section-heading p{
  color:var(--text-light);
  font-size:18px;
}

.section-heading.white p{
  color:#fff;
}

.header{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(0,0,0,.05);
  transition:var(--transition);
}

.header.scrolled{
  box-shadow:0 8px 30px rgba(0,0,0,.08);
}

.header-inner{
  max-width:1200px;
  margin:auto;
  padding:16px 20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.logo{
  display:flex;
  align-items:center;
  gap:14px;
}

.logo-mark{
  width:46px;
  height:46px;
  border-radius:18px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
}

.logo-text{
  display:flex;
  flex-direction:column;
}

.logo-main{
  font-size:18px;
  font-weight:900;
  color:var(--primary);
}
  .logo-img {
    width: 148px;
    height: auto;
    display: block;
  }
.logo-sub{
  font-size:11px;
  color:#8b96a8;
  letter-spacing:.12em;
}

.nav{
  display:flex;
  align-items:center;
  gap:24px;
}

.nav a{
  font-size:14px;
  font-weight:700;
  transition:var(--transition);
}

.nav a:hover{
  color:var(--primary-light);
}

.nav-cta{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff!important;
  padding:12px 18px;
  border-radius:999px;
}

.menu-btn{
  display:none;
  border:none;
  background:none;
  font-size:24px;
  color:var(--primary);
  cursor:pointer;
}

.menu-btn.active i::before{
  content:"\f00d";
}

.hero{
  position:relative;
  min-height:900px;
  height:auto;
  overflow:hidden;
  padding-bottom:120px;
}

.hero-bg{
  position:absolute;
  inset:0;
}

.hero-bg img{
  height:100%;
  object-fit:cover;
}

.hero-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(5,18,43,.85) 0%,rgba(5,18,43,.65) 45%,rgba(5,18,43,.2) 100%);
}

.hero-inner{
  position:relative;
  z-index:2;
  max-width:1200px;
  margin:auto;
  min-height:820px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  align-items:center;
  gap:40px;
  padding:120px 20px 180px;
}

.hero-label{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.25);
  padding:10px 16px;
  border-radius:999px;
  color:#fff;
  font-weight:700;
  backdrop-filter:blur(10px);
}

.hero h1{
  font-size:92px;
  line-height:1.05;
  margin:28px 0 22px;
  color:#fff;
  font-weight:900;
}

.hero-lead{
  color:#fff;
  font-size:22px;
}

.hero-buttons{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  margin-top:34px;
}

.btn{
  min-height:56px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:700;
  transition:var(--transition);
}

.btn:hover{
  transform:translateY(-2px);
}

.btn-primary{
  background:#fff;
  color:var(--primary);
}

.btn-secondary{
  border:1px solid rgba(255,255,255,.4);
  color:#fff;
  backdrop-filter:blur(10px);
}

.hero-card{
  background:rgba(255,255,255,.92);
  border-radius:var(--radius);
  padding:34px;
  box-shadow:var(--shadow);
}

.hero-card h2{
  margin-bottom:24px;
  color:var(--primary);
  font-size:32px;
}

.hero-check{
  display:flex;
  flex-direction:column;
  gap:18px;
}

.hero-check li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  color:#40506c;
  font-weight:500;
}

.hero-check i{
  color:var(--green);
  margin-top:5px;
}

.hero-gallery{
  position:absolute;
  left:50%;
  bottom:42px;
  transform:translateX(-50%);
  width:min(1120px,calc(100% - 40px));
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  z-index:3;
}

.hero-gallery img{
  height:120px;
  object-fit:cover;
  border-radius:22px;
  border:3px solid rgba(255,255,255,.85);
  box-shadow:var(--shadow-strong);
}

.feature-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}

.feature-card{
  background:#fff;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:var(--transition);
}

.feature-card:hover{
  transform:translateY(-6px);
}

.feature-image img{
  height:220px;
  object-fit:cover;
}

.feature-body{
  padding:28px;
}

.feature-icon{
  width:58px;
  height:58px;
  border-radius:18px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
  margin-bottom:18px;
}

.feature-body h3{
  font-size:24px;
  margin-bottom:12px;
  color:var(--primary);
}

.feature-body p{
  color:var(--text-light);
}

.section-blue{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
}

.program-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}

.program-card{
  background:#fff;
  border-radius:var(--radius);
  padding:34px;
  box-shadow:var(--shadow);
}

.program-tag{
  display:inline-block;
  color:#fff;
  padding:8px 16px;
  border-radius:999px;
  font-size:13px;
  font-weight:900;
  margin-bottom:20px;
}

.program-tag.green{
  background:var(--green);
}

.program-tag.orange{
  background:var(--orange);
}

.program-tag.blue{
  background:var(--primary-light);
}

.program-card h3{
  font-size:28px;
  margin-bottom:18px;
  color:var(--primary);
}

.program-card ul{
  display:flex;
  flex-direction:column;
  gap:12px;
}

.program-card li{
  color:#55657f;
}

.debate-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}

.debate-image img{
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

.debate-content h2{
  font-size:52px;
  line-height:1.2;
  margin:18px 0 24px;
  color:var(--primary);
}

.debate-content p{
  color:var(--text-light);
  margin-bottom:34px;
}

.debate-points{
  display:flex;
  flex-direction:column;
  gap:18px;
}

.debate-point{
  background:#fff;
  border-radius:22px;
  padding:22px;
  display:flex;
  gap:18px;
  align-items:flex-start;
  box-shadow:var(--shadow);
}

.debate-icon{
  width:52px;
  height:52px;
  border-radius:18px;
  background:linear-gradient(135deg,#c79a39,#e2b65b);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  flex-shrink:0;
}

.debate-point h3{
  margin-bottom:6px;
  color:var(--primary);
}

.debate-point p{
  margin:0;
}

.schedule-list{
  display:flex;
  flex-direction:column;
  gap:18px;
}

.schedule-item{
  display:grid;
  grid-template-columns:140px 1fr;
  background:#fff;
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--shadow);
}

.schedule-day{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  font-weight:900;
}

.schedule-body{
  padding:28px;
}

.schedule-body h3{
  margin-bottom:8px;
  color:var(--primary);
}

.schedule-body p{
  color:var(--text-light);
}

.outline-table{
  background:#fff;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
}

.outline-row{
  display:grid;
  grid-template-columns:220px 1fr;
  border-bottom:1px solid var(--border);
}

.outline-row:last-child{
  border-bottom:none;
}

.outline-head{
  background:#eef4fb;
  padding:24px;
  font-weight:900;
  color:var(--primary);
}

.outline-body{
  padding:24px;
  color:#52627a;
}

.section-gallery{
  background:#eef5fc;
}

.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}

.gallery-item img{
  height:260px;
  object-fit:cover;
  border-radius:26px;
  box-shadow:var(--shadow);
}

.support-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}

.support-card{
  background:#fff;
  border-radius:var(--radius);
  padding:34px;
  text-align:center;
  box-shadow:var(--shadow);
}

.support-icon{
  width:70px;
  height:70px;
  border-radius:22px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  margin:auto auto 22px;
  font-size:28px;
}

.support-card h3{
  margin-bottom:12px;
  color:var(--primary);
}

.support-card p{
  color:var(--text-light);
}

.cta-section{
  position:relative;
  overflow:hidden;
  padding:120px 20px;
}

.cta-bg{
  position:absolute;
  inset:0;
}

.cta-bg img{
  height:100%;
  object-fit:cover;
}

.cta-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(8,39,92,.94),rgba(11,105,199,.85));
}

.cta-inner{
  position:relative;
  z-index:2;
  max-width:1000px;
  margin:auto;
  text-align:center;
  color:#fff;
}

.cta-inner h2{
  font-size:56px;
  line-height:1.2;
  margin:20px 0 24px;
}

.cta-inner p{
  font-size:20px;
}

.cta-buttons{
  display:flex;
  justify-content:center;
  gap:20px;
  flex-wrap:wrap;
  margin-top:40px;
}

.cta-btn{
  min-width:320px;
  min-height:72px;
  border-radius:999px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  font-weight:700;
  transition:var(--transition);
}

.cta-btn:hover{
  transform:translateY(-2px);
}

.cta-btn.white{
  background:#fff;
  color:var(--primary);
}

.cta-btn.border{
  border:2px solid rgba(255,255,255,.45);
  color:#fff;
}

.footer{
  background:#071a3c;
  color:#d7e4f5;
  padding:36px 20px;
}

.footer-inner{
  max-width:1200px;
  margin:auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
}

.footer-logo{
  display:flex;
  align-items:center;
  gap:14px;
}

.footer-copy{
  font-size:14px;
}

.pagetop{
  position:fixed;
  right:20px;
  bottom:20px;
  width:56px;
  height:56px;
  border:none;
  border-radius:18px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
  font-size:18px;
  cursor:pointer;
  box-shadow:var(--shadow);
  opacity:0;
  pointer-events:none;
  transition:var(--transition);
  z-index:100;
}

.pagetop.show{
  opacity:1;
  pointer-events:auto;
}

.fade-up{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .7s ease,transform .7s ease;
}

.fade-up.is-visible{
  opacity:1;
  transform:translateY(0);
}

@media(max-width:1100px){
  .hero{
    min-height:auto;
    padding-bottom:40px;
  }

  .hero-inner{
    grid-template-columns:1fr;
    min-height:auto;
    padding:140px 20px 60px;
  }

  .hero-gallery{
    position:relative;
    left:auto;
    bottom:auto;
    transform:none;
    width:auto;
    margin:0 20px 50px;
    grid-template-columns:repeat(2,1fr);
  }

  .hero-gallery img{
    height:160px;
  }

  .debate-wrap{
    grid-template-columns:1fr;
  }

  .feature-grid,
  .support-grid{
    grid-template-columns:repeat(2,1fr);
  }

  .gallery-grid{
    grid-template-columns:repeat(2,1fr);
  }

  .program-grid{
    grid-template-columns:1fr;
  }
}

@media(max-width:768px){
  .nav{
    position:fixed;
    top:78px;
    left:20px;
    right:20px;
    background:#fff;
    border-radius:24px;
    padding:24px;
    flex-direction:column;
    align-items:flex-start;
    box-shadow:var(--shadow);
    opacity:0;
    pointer-events:none;
    transition:var(--transition);
  }

  .nav.active{
    opacity:1;
    pointer-events:auto;
  }

  .menu-btn{
    display:block;
  }

  .hero h1{
    font-size:62px;
  }

  .section-heading h2,
  .debate-content h2,
  .cta-inner h2{
    font-size:40px;
  }

  .feature-grid,
  .gallery-grid,
  .support-grid{
    grid-template-columns:1fr;
  }

  .schedule-item,
  .outline-row{
    grid-template-columns:1fr;
  }

  .schedule-day{
    padding:12px;
  }

  .cta-btn{
    min-width:100%;
  }

  .hero-gallery{
    grid-template-columns:1fr;
  }

  .hero-gallery img{
    height:190px;
  }
}

@media(max-width:480px){
  .logo-main{
    font-size:15px;
  }

  .logo-sub{
    display:none;
  }

  .hero h1{
    font-size:48px;
  }

  .hero-lead,
  .section-heading p,
  .cta-inner p{
    font-size:16px;
  }

  .section{
    padding:80px 20px;
  }
}