/* ===== 基本設定 ===== */
:root{
  --orange:#e8621a;
  --orange-light:#f4874a;
  --orange-pale:#fef0e6;
  --brown:#6b3a1f;
  --cream:#fdfaf6;
  --warm-white:#fff9f3;
  --gray-bg:#f7f3ef;
  --text:#2d2d2d;
  --text-light:#6b6b6b;
  --border:#e8d8c8;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Noto Sans JP',sans-serif;
  color:var(--text);
  background:var(--cream);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}

/* ===== ヒーロー ===== */
.hero{
  position:relative;
  min-height:65vh; /* 85vhから縮小して要素を上に上げる */
  background:var(--warm-white);
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:60px 20px 40px; /* 下部余白も詰める */
}

/* 背景スクロール領域 */
.hero__bg{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:30px;
  z-index:1;
  pointer-events:none;
  /* 四辺フェード（案C） */
  -webkit-mask-image:
    linear-gradient(to right, transparent 0%, #000 12%, #000 88%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 15%, #000 85%, transparent 100%);
  -webkit-mask-composite:source-in;
          mask-image:
    linear-gradient(to right, transparent 0%, #000 12%, #000 88%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 15%, #000 85%, transparent 100%);
  mask-composite:intersect;
}
.stream{
  width:100%;
  overflow:hidden;
}
.stream__track{
  display:flex;
  gap:24px;
  width:max-content;
  will-change:transform;
}
.stream__track img{
  width:180px; /* 140pxから拡大 */
  height:180px;
  object-fit:cover;
  border-radius:18px;
  opacity:0.35;
  flex-shrink:0;
}
.stream--top .stream__track{
  animation:scroll-left 80s linear infinite;
}
.stream--bottom .stream__track{
  animation:scroll-left 95s linear infinite;
  opacity:0.9;
}
@keyframes scroll-left{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}
@media (prefers-reduced-motion:reduce){
  .stream--top .stream__track,
  .stream--bottom .stream__track{animation:none;}
}

/* 前景コンテンツ */
.hero__inner{
  position:relative;
  z-index:2;
  text-align:center;
  max-width:720px;
  width:100%;
}
.hero__visual{
  max-width:560px;
  width:100%;
  margin:0 auto 28px;
}
.hero__lead{
  font-family:'Noto Serif JP',serif;
  font-size:1.15rem;
  color:var(--brown);
  margin:0 0 8px;
}
.hero__meta{
  font-size:0.9rem;
  color:var(--text-light);
  margin:0 0 28px;
}
.hero__cta{
  display:inline-block;
  background:var(--orange);
  color:#fff;
  font-weight:700;
  font-size:1.1rem;
  padding:18px 56px;
  border-radius:50px;
  box-shadow:0 6px 20px rgba(232,98,26,0.35);
  transition:transform .2s, box-shadow .2s;
}
.hero__cta:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 26px rgba(232,98,26,0.45);
}
.hero__note{
  font-size:0.8rem;
  color:var(--text-light);
  margin:14px 0 0;
}

/* ===== 診断について ===== */
.about{
  background:var(--cream);
  padding:40px 20px 60px; /* 上部の余白を80pxから40pxに詰める */
}
.about__inner{
  max-width:720px;
  margin:0 auto;
  text-align:center;
}
.about__title{
  font-family:'Noto Serif JP',serif;
  font-size:1.6rem;
  color:var(--brown);
  margin:0 0 24px;
}
.about__text{
  font-size:1rem;
  margin:0 0 32px;
}
.about__points{
  list-style:none;
  padding:0;
  margin:0;
  display:inline-block;
  text-align:left;
}
.about__points li{
  padding:8px 0;
  font-size:0.95rem;
}
.about__icon{
  color:var(--orange);
  margin-right:10px;
}

/* ===== 16タイププレビュー ===== */
.preview{
  background:var(--gray-bg);
  padding:80px 20px;
}
.preview__inner{
  max-width:960px;
  margin:0 auto;
  text-align:center;
}
.preview__title{
  font-family:'Noto Serif JP',serif;
  font-size:1.6rem;
  color:var(--brown);
  margin:0 0 8px;
}
.preview__sub{
  color:var(--text-light);
  margin:0 0 36px;
}
.preview__grid{
  display:grid;
  grid-template-columns:repeat(8,1fr);
  gap:14px;
}
.preview__item img{
  width:100%;
  aspect-ratio:1/1;
  object-fit:cover;
  border-radius:14px;
  transition:transform .2s;
}
.preview__item img:hover{transform:scale(1.05);}

/* ===== 第2CTA ===== */
.cta{
  background:var(--orange-pale);
  padding:80px 20px;
  text-align:center;
}
.cta__inner{max-width:640px;margin:0 auto;}
.cta__title{
  font-family:'Noto Serif JP',serif;
  font-size:1.4rem;
  color:var(--brown);
  margin:0 0 24px;
}
.cta__btn{
  display:inline-block;
  background:var(--orange);
  color:#fff;
  font-weight:700;
  font-size:1.05rem;
  padding:16px 48px;
  border-radius:50px;
  box-shadow:0 6px 20px rgba(232,98,26,0.3);
  transition:transform .2s;
}
.cta__btn:hover{transform:translateY(-2px);}
.cta__btn--outline{
  background:transparent;
  color:var(--orange);
  border:2px solid var(--orange);
  box-shadow:none;
}
.cta__btn--outline:hover{
  background:rgba(232,98,26,0.05);
  box-shadow:none;
}
.cta__meta{
  font-size:0.85rem;
  color:var(--text-light);
  margin:16px 0 0;
}

/* ===== 注意書き ===== */
.notice{
  background:var(--cream);
  padding:40px 20px;
}
.notice__inner{
  max-width:720px;
  margin:0 auto;
  font-size:0.8rem;
  color:var(--text-light);
}
.notice__inner p{margin:6px 0;}

/* ===== フッター ===== */
.footer{
  background:var(--brown);
  color:#fff;
  padding:40px 20px;
  text-align:center;
}
.footer__org{
  font-family:'Noto Serif JP',serif;
  font-size:1.05rem;
  margin:0 0 12px;
}
.footer__links{margin:0 0 16px;}
.footer__links a{
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,0.4);
  padding-bottom:2px;
}
.footer__copy{
  font-size:0.75rem;
  opacity:0.7;
  margin:0;
}

/* ===== レスポンシブ ===== */
@media (max-width:768px){
  .hero{min-height:75vh;padding:40px 16px;}
  .stream__track img{width:130px;height:130px;border-radius:14px;} /* 100pxから拡大 */
  .stream__track{gap:16px;}
  .hero__cta{padding:16px 40px;font-size:1rem;}
  .preview__grid{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:480px){
  .stream__track img{width:110px;height:110px;} /* 80pxから拡大 */
  .hero__lead{font-size:1rem;}
  .preview__grid{grid-template-columns:repeat(4,1fr);gap:10px;}
  .about,.preview,.cta{padding:60px 16px;}
}