@charset "utf-8";

/* reset */
*,
*::before,
*::after { box-sizing: border-box; }

html{ scrollbar-gutter: stable; }

body{
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI","Noto Sans JP", sans-serif;

  background: linear-gradient(135deg, #000 50%, #fff 50%);
  background-attachment: fixed;

  overflow: hidden;  /* ✅ トップはスクロールさせない */
}

/* site */
.site{
  position: relative;
  min-height: 100vh;
}

/* ※ mix-blend-mode は使わない。必要なら汎用クラスとして残すだけ */
.invert-auto{
  color: #fff;
  font-family: "Luxurious Roman", sans-serif;
}

/* header */
.site-header{
  position: fixed;
  top: 50px;
  left: 28px;
  z-index: 10;
}

/* ✅ 左上は縁取り不要：白（薄め）だけで上品に */
.site-header-text{
  font-size: 70px;
  letter-spacing: 0.10em;
  color: rgba(255,255,255,0.45);
  -webkit-text-stroke: 0;
  text-shadow: none;
}

/* hero */
.hero{
  height: 100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  text-align:center;
  position: relative;
}

/* ✅ 中央だけ薄いベール（読ませたい要素が中央に集まるので効く） */
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background: radial-gradient(circle at center,
    rgba(0,0,0,.30) 0%,
    rgba(0,0,0,.12) 38%,
    rgba(0,0,0,0) 72%);
}

/* heroの中身はベールより上 */
.hero > *{
  position: relative;
  z-index: 1;
}

/* ロゴ */
.hero-logo-mark{
  width: 260px;
  height: 260px;
  margin: 0 auto 26px;

  background-color: #fff;
  -webkit-mask: url("../img/toy-fac.png") no-repeat center / contain;
          mask: url("../img/toy-fac.png") no-repeat center / contain;

  /* 影で浮かす */
  filter: drop-shadow(0 10px 24px rgba(0,0,0,.35));
}

/* menu */
.menu{
  display:flex;
  gap: 48px;
  justify-content:center;
  margin-top: 34px;   /* ← 少しだけ下げて境界から逃がす */

  padding: 0;
  background: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
}
.menu a{
  text-decoration:none;
  font-size: 32px;
  letter-spacing: .14em;
  color: rgba(255,255,255,0.95);

  position: relative;
  padding-bottom: 6px;

  /* 影は「あるかないか分からない」レベルに */
  text-shadow:
    0 1px 3px rgba(0,0,0,.35);
}
.menu a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:0%;
  height:1px;

  background: rgba(255,255,255,.85);
  transform:translateX(-50%);
  transition: width .3s ease;
}
.menu a:hover::after{ width:100%; }

.sns{
  margin-top: 16px;
  opacity: .85;
  display: flex;
  gap: 20px;
}

.sns img{
  width:46px;                /* ✅ 少しだけ小さくして上品に */
  height:auto;
  opacity:.78;
  transition:opacity .25s ease, transform .25s ease;
  gap: 20px;
  filter: drop-shadow(0 4px 10px rgba(0,0,0,.35));
}

.sns img:hover{
  opacity:1;
  cursor:pointer;
  transform: translateY(-1px);
}

/* waves */
.bg-waves{
  position: fixed;
  left:0; right:0; bottom:0;
  height:40vh;
  min-height:120px;
  z-index: 1;
  pointer-events:none;
}

.waves{
  width:100%;
  height:100%;
  display:block;

  opacity:.22;
  filter: drop-shadow(0 -10px 22px rgba(0,0,0,.35));
}

.wave{ fill:#777; }
.wave1{ opacity:.45; }
.wave2{ opacity:.30; }
.wave3{ opacity:.18; }
.wave4{ opacity:.10; }

.parallax > use{
  animation: move-forever 25s cubic-bezier(.55,.5,.45,.5) infinite;
}
.parallax > use:nth-child(1){ animation-delay:-2s; animation-duration:7s; }
.parallax > use:nth-child(2){ animation-delay:-3s; animation-duration:10s; }
.parallax > use:nth-child(3){ animation-delay:-4s; animation-duration:13s; }
.parallax > use:nth-child(4){ animation-delay:-5s; animation-duration:20s; }

@keyframes move-forever{
  0%{ transform: translate3d(-90px,0,0); }
  100%{ transform: translate3d(85px,0,0); }
}