:root{

  --main:#0D2454;

  --accent:#00448d;

  --gold:#F3E195;

  --bg:#ffffff;

  --text:#14213d;

  --sub:#5b6475;

  --line:#d9e2f0;

  --soft:#f4f8fc;

  --card:#ffffff;

}

*{

  box-sizing:border-box;

}

html{

  scroll-behavior:smooth;

}

body{

  margin:0;

  font-family:'Noto Sans JP',sans-serif;

  background:var(--bg);

  color:var(--text);

  line-height:1.8;

}

/* ===== 共通 ===== */

.wrap{

  width:min(1100px, calc(100% - 32px));

  margin:0 auto;

}

.section-head{

  text-align:center;

  margin-bottom:30px;

}

.section-head h2{

  margin:0;

  font-size:clamp(1.7rem, 4vw, 2.4rem);

  color:var(--main);

  font-weight:900;

}

.line{

  width:52px;

  height:3px;

  margin:12px auto 0;

  border-radius:999px;

  background:linear-gradient(135deg,var(--main),var(--accent));

}

.btn-action{

  display:inline-block;

  padding:13px 22px;

  background:linear-gradient(135deg,var(--main),var(--accent));

  color:#fff;

  text-decoration:none;

  border-radius:12px;

  font-weight:700;

  box-shadow:0 10px 22px rgba(13,36,84,.14);

  transition:transform .2s ease, box-shadow .2s ease, opacity .2s ease;

}

.btn-action:hover{

  transform:translateY(-2px);

  box-shadow:0 14px 28px rgba(13,36,84,.18);

  opacity:.98;

}

/* ===== HEADER ===== */

.site-header{

  background:linear-gradient(135deg,var(--main),var(--accent));

  padding:12px 20px;

  position:sticky;

  top:0;

  z-index:1000;

  box-shadow:0 2px 10px rgba(0,0,0,.08);

}

.header-inner{

  max-width:1100px;

  margin:0 auto;

  display:flex;

  justify-content:space-between;

  align-items:center;

  gap:20px;

}

.header-logo{

  color:#fff;

  font-weight:900;

  text-decoration:none;

  font-size:1.1rem;

  letter-spacing:.04em;

  white-space:nowrap;

}

.header-nav{

  display:flex;

  flex-wrap:wrap;

  gap:14px;

}

.header-nav a{

  position:relative;

  color:rgba(255,255,255,.78);

  text-decoration:none;

  font-size:.95rem;

  padding:6px 2px;

  transition:.2s ease;

}

.header-nav a:hover{

  color:#fff;

}

.header-nav a.active{

  color:#fff;

  font-weight:700;

}

.header-nav a.active::after{

  content:"";

  position:absolute;

  left:0;

  bottom:0;

  width:100%;

  height:2px;

  background:var(--gold);

  border-radius:999px;

}

/* ===== HERO ===== */

.fukushima-hero{

  background:

    linear-gradient(135deg, rgba(13,36,84,.96), rgba(0,68,141,.90)),

    radial-gradient(circle at top right, rgba(255,255,255,.10), transparent 35%);

  color:#fff;

  padding:76px 0 78px;

  overflow:hidden;

}

.fukushima-hero-inner{

  text-align:center;

}

.hero-label{

  display:inline-block;

  margin-bottom:14px;

  padding:7px 14px;

  border-radius:999px;

  background:rgba(255,255,255,.14);

  color:var(--gold);

  font-size:.82rem;

  font-weight:800;

  letter-spacing:.08em;

}

.fukushima-title{

  margin:0;

  font-size:clamp(2.2rem, 6vw, 4rem);

  line-height:1.15;

  font-weight:900;

  letter-spacing:.02em;

}

.fukushima-title span{

  color:var(--gold);

}

.fukushima-lead{

  max-width:760px;

  margin:18px auto 0;

  color:rgba(255,255,255,.92);

  font-size:1rem;

}

.hero-status{

  margin:28px auto 0;

  max-width:500px;

  background:rgba(255,255,255,.10);

  border:1px solid rgba(255,255,255,.15);

  border-radius:18px;

  padding:18px 20px;

  backdrop-filter:blur(8px);

}

.hero-status-label{

  font-size:.78rem;

  font-weight:800;

  letter-spacing:.12em;

  color:rgba(255,255,255,.72);

  margin-bottom:8px;

}

.hero-status-main{

  display:flex;

  justify-content:center;

  align-items:center;

  gap:10px;

  margin-bottom:6px;

}

.status-dot{

  width:10px;

  height:10px;

  border-radius:50%;

  background:#36d399;

  box-shadow:0 0 0 6px rgba(54,211,153,.18);

}

.hero-status-text{

  color:#fff;

  font-weight:800;

}

.hero-status-sub{

  color:rgba(255,255,255,.9);

  font-size:.95rem;

}

/* ===== INTRO ===== */

.fukushima-intro{

  padding:64px 0 20px;

}

.intro-card{

  background:var(--card);

  border:1px solid var(--line);

  border-radius:24px;

  padding:28px;

  box-shadow:0 12px 30px rgba(13,36,84,.06);

}

.intro-card p{

  margin:0;

  font-size:1rem;

  color:var(--text);

}

/* ===== HIGHLIGHTS ===== */

.fukushima-highlights{

  padding:34px 0 30px;

}

.highlight-grid{

  display:grid;

  grid-template-columns:repeat(3, minmax(0,1fr));

  gap:22px;

}

.highlight-card{

  background:linear-gradient(135deg,var(--main),var(--accent));

  color:#fff;

  border-radius:22px;

  padding:24px;

  box-shadow:0 14px 28px rgba(13,36,84,.12);

}

.highlight-icon{

  font-size:1.9rem;

  margin-bottom:12px;

}

.highlight-card h3{

  margin:0 0 10px;

  font-size:1.2rem;

  color:var(--gold);

}

.highlight-card p{

  margin:0;

  color:rgba(255,255,255,.92);

  font-size:.96rem;

}

/* ===== TIMELINE ===== */

.fukushima-timeline{

  padding:34px 0 30px;

}

.timeline{

  max-width:860px;

  margin:0 auto;

  position:relative;

}

.timeline::before{

  content:"";

  position:absolute;

  top:0;

  bottom:0;

  left:22px;

  width:3px;

  background:linear-gradient(180deg,var(--main),var(--accent));

  border-radius:999px;

}

.timeline-item{

  position:relative;

  padding-left:64px;

  margin-bottom:28px;

}

.timeline-dot{

  position:absolute;

  left:13px;

  top:8px;

  width:20px;

  height:20px;

  border-radius:50%;

  background:#fff;

  border:4px solid var(--accent);

  box-shadow:0 0 0 6px rgba(0,68,141,.08);

}

.timeline-card{

  background:#fff;

  border:1px solid var(--line);

  border-radius:18px;

  padding:20px 22px;

  box-shadow:0 10px 24px rgba(13,36,84,.06);

}

.timeline-date{

  display:inline-block;

  margin-bottom:8px;

  padding:5px 10px;

  border-radius:999px;

  background:#edf4ff;

  color:var(--accent);

  font-size:.82rem;

  font-weight:800;

}

.timeline-card h3{

  margin:0 0 8px;

  color:var(--main);

  font-size:1.15rem;

}

.timeline-card p{

  margin:0;

  color:var(--sub);

}

/* ===== MESSAGE ===== */

.fukushima-message{

  padding:34px 0 30px;

}

.message-box{

  background:var(--soft);

  border-left:6px solid var(--accent);

  border-radius:20px;

  padding:26px 24px;

}

.message-box p{

  margin:0;

  color:var(--text);

  font-size:1rem;

}

/* ===== CTA ===== */

.fukushima-cta{

  padding:34px 0 70px;

  text-align:center;

}

.cta-box{

  background:linear-gradient(135deg,var(--main),var(--accent));

  color:#fff;

  border-radius:24px;

  padding:34px 24px;

  box-shadow:0 16px 34px rgba(13,36,84,.12);

}

.cta-box h2{

  margin:0 0 12px;

  color:var(--gold);

  font-size:clamp(1.5rem, 4vw, 2.2rem);

}

.cta-box p{

  margin:0 0 22px;

  color:rgba(255,255,255,.92);

}

/* ===== FOOTER ===== */

footer{

  background:var(--main);

  color:rgba(255,255,255,.88);

  text-align:center;

  padding:22px 16px;

  font-size:.92rem;

}

/* ===== REVEAL ===== */

.reveal{

  opacity:0;

  transform:translateY(24px);

  transition:opacity .7s ease, transform .7s ease;

}

.reveal.show{

  opacity:1;

  transform:translateY(0);

}

/* ===== RESPONSIVE ===== */

@media (max-width:900px){

  .highlight-grid{

    grid-template-columns:1fr;

  }

}

@media (max-width:768px){

  .header-inner{

    flex-direction:column;

    align-items:flex-start;

  }

  .header-nav{

    gap:10px 14px;

  }

  .header-nav a.active{

    background:rgba(255,255,255,.14);

    padding:6px 10px;

    border-radius:8px;

  }

  .header-nav a.active::after{

    display:none;

  }

  .fukushima-hero{

    padding:60px 0 62px;

  }

  .intro-card,

  .highlight-card,

  .timeline-card,

  .message-box,

  .cta-box{

    padding:20px;

  }

  .timeline::before{

    left:18px;

  }

  .timeline-item{

    padding-left:52px;

  }

  .timeline-dot{

    left:9px;

  }

}