/* フォント */
.font-body {
    font-family: "Shippori Mincho", serif;
  }
  body {
    opacity: 0;
    transition: opacity 1.8s ease;
  }
  
  body.fade-in {
    opacity: 1;
  }
  html {
    scroll-behavior: smooth;
  }  
  

  
  /* nav 下線 */
  .nav-underline {
    position: relative;
  }
  .nav-underline::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 1px;
    background-color: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease-out;
  }
  .nav-underline:hover::after {
    transform: scaleX(1);
  }
  
  /* NEWS 背景グラデ */
  .news-heading::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
      rgba(0,0,0,0.45),
      rgba(0,0,0,0.25)
    );
    z-index: 0;
  }
  
  /* STORY ガラス背景 */
  .story-overlay p::before {
    content: "";
    position: absolute;
    inset: -0.75rem -1rem;
    z-index: -1;
   
    backdrop-filter: blur(2px);
  }

  .story-text {
    font-weight: 700;             /* font-bold */
    color: #1e293b;               /* text-slate-800 */
    
    font-size: 0.5rem;            /* デフォルト（スマホ） */
    line-height: 1.5;             /* leading-relaxed */
  
  }
  
  /* sm 以上（min-width: 640px） */
  @media (min-width: 640px) {
    .story-text {
      font-size: 0.7rem;          /* sm:text-[0.7rem] */
      line-height: 1.5;           /* sm:leading-relaxed */
    }
  }
  
  /* md 以上（min-width: 768px） */
  @media (min-width: 768px) {
    .story-text {
      font-size: 0.875rem;        /* md:text-sm */
      line-height: 1.75;          /* md:leading-loose */
    }
  }
  
  /* lg 以上（min-width: 1024px） */
  @media (min-width: 1024px) {
    .story-text {
      font-size: 1rem;            /* lg:text-base */
      line-height: 2.6;           /* lg:leading-[2.6] */
    }
  }
  
  /* xl 以上（min-width: 1280px） */
  @media (min-width: 1280px) {
    .story-text {
      font-size: 1.125rem;        /* xl:text-xl */
    }
  }
  
  /* ===== フェード＆フロート ===== */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 1.0s ease,
    transform 1.0s ease;
}

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

/* 遅延バリエーション（必要な分だけ） */
.delay-1 { transition-delay: 0.3s; }
.delay-2 { transition-delay: 0.6s; }
.delay-3 { transition-delay: 0.9s; }
.delay-3 { transition-delay: 1.2s; }