:root{
  --bg:#0b0b0c;
  --fg:#f2f2f2;
  --muted:#a7a7a7;
  --line:#1f1f22;
  --card:#111114;
  --accent:#ffffff;
  --shadow: 0 16px 40px rgba(0,0,0,.35);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  background:var(--bg);
  color:var(--fg);
}

/* Layout */
.wrap{ width:min(1100px, 92vw); margin:0 auto; }
.section{ padding:72px 0; border-top:1px solid var(--line); }
.section.alt{ background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0)); }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:16px; margin-bottom:22px; }
.section-head h2{ margin:0; letter-spacing:.12em; font-size:16px; }
.muted{ margin:0; color:var(--muted); font-size:14px; }
.link{ color:var(--fg); text-decoration:none; opacity:.9; }
.link:hover{ opacity:1; text-decoration:underline; }

/* Header */
.site-header{
  position:sticky; top:0; z-index:100; /* 高めに設定 */
  background: rgba(0,0,0,.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height:64px;
}
.brand{ color:var(--fg); text-decoration:none; }
.brand-mark{
  font-weight:700;
  letter-spacing:.22em;
  text-transform: none;
  font-size:14px;
}

.nav{ display:flex; gap:22px; align-items:center; }
.nav a{
  color:var(--fg);
  text-decoration:none;
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  opacity:.85;
}
.nav a:hover{ opacity:1; }
.nav .cta{
  padding:10px 12px;
  border:1px solid rgba(255,255,255,.25);
  border-radius:999px;
}

/* Hamburger */
.hamburger{
  display:none;
  width:42px; height:42px;
  border:1px solid rgba(255,255,255,.18);
  background:transparent;
  border-radius:10px;
  cursor:pointer;
  position: relative;
  z-index: 1100;
}
.hamburger span{
  display:block; width:18px; height:2px;
  background:var(--fg);
  margin:5px auto;
  opacity:.9;
}

/* Drawer (Default Hidden) */
.drawer {
  display: none; /* PCでは出さない */
}

/* Hero */
.hero{ border-top:none; }
.slider{ position:relative; overflow:hidden; }
.slides{ position:relative; height: min(62vh, 560px); }
.slide{
  position:absolute; inset:0;
  opacity:0; transform: scale(1.02);
  transition: opacity .6s ease, transform .8s ease;
  background:
    radial-gradient(900px 500px at 20% 30%, rgba(0,0,0,.15), rgba(0,0,0,.78)),
    var(--bg);
}
.slide::before{
  content:"";
  position:absolute; inset:0;
  background-image: var(--bg);
  background-size: cover;
  background-position: center;
  filter: saturate(.9) contrast(1.05);
  opacity:.85;
}
.slide.is-active{ opacity:1; transform: scale(1); }
.slide-inner{
  position:relative;
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:10px;
  padding: 24px 0;
}
.kicker{
  margin:0;
  color:rgba(255,255,255,.85);
  letter-spacing:.24em;
  text-transform:uppercase;
  font-size:12px;
}
.title{
  margin:0;
  font-size: clamp(34px, 6vw, 70px);
  letter-spacing:.08em;
  text-transform: none;
}
.sub{
  margin:0;
  color:rgba(255,255,255,.8);
  letter-spacing:.12em;
}
.actions{ display:flex; gap:12px; margin-top:10px; flex-wrap:wrap; }
.btn{
  display:inline-flex;
  align-items:center; justify-content:center;
  padding:12px 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.22);
  text-decoration:none;
  color:var(--fg);
  background: rgba(0,0,0,.35);
  box-shadow: var(--shadow);
}
.btn:hover{ background: rgba(255,255,255,.06); }
.btn.ghost{ background: transparent; box-shadow:none; }

.navbtn{
  position:absolute; top:50%;
  transform: translateY(-50%);
  width:42px; height:42px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.22);
  background: rgba(0,0,0,.35);
  color:var(--fg);
  cursor:pointer;
}
.navbtn:hover{ background: rgba(255,255,255,.06); }
.navbtn.prev{ left:12px; }
.navbtn.next{ right:12px; }

.dots{
  position:absolute; left:50%; bottom:14px;
  transform:translateX(-50%);
  display:flex; gap:8px;
}
.dot{
  width:8px; height:8px; border-radius:999px;
  border:1px solid rgba(255,255,255,.55);
  background: transparent;
  cursor:pointer;
  opacity:.9;
}
.dot.is-active{ background: rgba(255,255,255,.85); }

/* Cards */
.grid{ display:grid; gap:16px; }
.grid.cards{ grid-template-columns: repeat(3, 1fr); }
.card{
  background: var(--card);
  border:1px solid rgba(255,255,255,.10);
  border-radius:18px;
  overflow:hidden;
  box-shadow: var(--shadow);
}
.card a{ color:var(--fg); text-decoration:none; display:block; }
.card img{ width:100%; height:220px; object-fit:cover; display:block; }
.card-body{ padding:14px 14px 16px; }
.date{ margin:0 0 8px; color:var(--muted); font-size:12px; letter-spacing:.12em; }
.card h3{ margin:0 0 8px; font-size:14px; letter-spacing:.04em; }
.excerpt{ margin:0; color:rgba(255,255,255,.78); font-size:13px; line-height:1.6; }

/* Panels */
.grid.two{ grid-template-columns: 1fr 1fr; }
.grid.three{ grid-template-columns: repeat(3, 1fr); }
.panel{
  border:1px dashed rgba(255,255,255,.18);
  border-radius:18px;
  padding:18px;
  color:rgba(255,255,255,.75);
  background: rgba(255,255,255,.02);
}

/* Footer */
.footer{
  border-top:1px solid var(--line);
  padding:24px 0;
}
.footer-inner{
  display:flex; align-items:center; justify-content:space-between; gap:14px;
  color:rgba(255,255,255,.7);
  font-size:12px;
  letter-spacing:.08em;
}

/* Responsive */
@media (max-width: 900px){
  .grid.cards{ grid-template-columns: 1fr; }
  .grid.two{ grid-template-columns: 1fr; }
  .grid.three{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .nav{ display:none; }
  .hamburger{ display:block; }
  
  .drawer{ 
    display:block; 
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    max-height: 0; 
    overflow: hidden; 
    transition: max-height .3s ease, opacity .3s ease; 
    opacity: 0;
    z-index: 900; /* ヘッダーより少し低く */
    background: rgba(11, 11, 12, 0.98);
    backdrop-filter: blur(10px);
  }
  
  .drawer.is-open{ 
    max-height: 100vh; 
    opacity: 1;
    border-bottom: 1px solid var(--line);
  }

  .drawer-inner {
    padding: 40px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .drawer a {
    color: var(--fg);
    text-decoration: none;
    font-size: 18px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .drawer-links {
    margin-top: 20px;
    display: flex;
    gap: 20px;
  }
  
  .slides{ height: min(70vh, 520px); }
}

/* タイトルの文字を整列させる */
.hero .title {
  display: flex;
  overflow: hidden; /* 枠の下から出てくるように見せる */
}

/* 一文字ずつの基本状態とアニメーション */
.hero .title span {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%); /* 最初は下に見えない状態で待機 */
  animation: reveal-text 0.8s cubic-bezier(0.2, 1, 0.3, 1) forwards;
  
  /* --i の値を使って、表示タイミングを少しずつずらす魔法 */
  animation-delay: calc(var(--i) * 0.1s);
}

@keyframes reveal-text {
  0% {
    opacity: 0;
    transform: translateY(100%);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}