@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600&family=Noto+Serif+JP:wght@300;400;500&display=swap');

:root {
  --color-bg: #faf9f6;
  --color-text-main: #1c1c1c;
  --color-text-sub: #555555;
  --color-text-muted: #888888;
  --color-accent: #333333;
  --font-serif: 'Shippori Mincho', 'Noto Serif JP', '游明朝', 'YuMincho', 'Hiragino Mincho ProN', serif;
}

body.teaser-body {
  background-color: var(--color-bg) !important;
  color: var(--color-text-main);
  font-family: var(--font-serif);
  margin: 0 !important;
  padding: 0 !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 2;
  letter-spacing: 0.08em;
  word-break: break-word;
  overflow-x: hidden;
}

body.teaser-body article {
  background: transparent !important;
  width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
  top: 0 !important;
}

/* -----------------------------------------
   Fade-in Animation
----------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* -----------------------------------------
   Header / Navigation
----------------------------------------- */
.teaser-header {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  padding: 2.5rem 3.5rem !important;
  box-sizing: border-box !important;
  z-index: 100 !important;
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  background: transparent !important;
}

body.teaser-body header:not(.teaser-header),
body.teaser-body .clone-nav,
.clone-nav {
  display: none !important;
}

.teaser-header .teaser-logo img {
  height: 42px;
  width: auto;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.6)) !important;
  display: block;
}

/* -----------------------------------------
   Hero Section
----------------------------------------- */
.teaser-hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 680px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #ffffff;
  overflow: hidden;
  box-sizing: border-box;
  padding: 0 1.5rem;
}

.teaser-hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(to bottom, rgba(10, 15, 20, 0.4), rgba(10, 15, 20, 0.65)), url('/assets/img/teaser/hero_nature.jpg');
  background-size: cover;
  background-position: center;
  transform: scale(1.03);
  transition: transform 10s ease-out;
  z-index: 1;
}

.teaser-hero:hover .teaser-hero__bg {
  transform: scale(1.06);
}

.teaser-hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.teaser-hero__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 2.85rem;
  line-height: 1.85;
  letter-spacing: 0.18em;
  margin: 0 0 2rem 0;
  text-align: center;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  font-feature-settings: "palt" 1; /* 句読点の空きスペースを極力詰めてセンタリングのズレを解消 */
}

.teaser-hero__title span {
  display: inline-block;
}

.teaser-hero__subtitle {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  color: rgba(255, 255, 255, 0.85);
  text-transform: uppercase;
  font-weight: 300;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.teaser-hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translate(-50%, 24px);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.teaser-hero__scroll.fade-in {
  transform: translate(-50%, 24px);
}

.teaser-hero__scroll.fade-in.is-visible {
  transform: translate(-50%, 0);
}

.teaser-hero__scroll span {
  margin-right: -0.25em; /* letter-spacingによる右側の余白補正 */
}

.teaser-hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.7), rgba(255,255,255,0));
  margin-top: 0.75rem;
  animation: scrollDown 2s infinite cubic-bezier(0.65, 0, 0.35, 1);
}

@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* -----------------------------------------
   Story Section (2015 -> 2026)
----------------------------------------- */
.teaser-story {
  padding: 10rem 2rem 8rem;
  background-color: var(--color-bg);
  text-align: center;
  position: relative;
}

.teaser-container {
  max-width: 680px;
  margin: 0 auto;
}

.teaser-story__years {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  font-size: 1.25rem;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  margin-bottom: 3.5rem;
  font-weight: 300;
}

.teaser-story__divider {
  width: 40px;
  height: 1px;
  background-color: #dddddd;
}

.teaser-story__text {
  font-size: 1.35rem;
  line-height: 2.4;
  letter-spacing: 0.12em;
  color: var(--color-text-main);
  font-weight: 400;
  font-feature-settings: "palt" 1;
}

/* -----------------------------------------
   Renewal Section (Re-Start / Coming Soon)
----------------------------------------- */
.teaser-renewal {
  padding: 10rem 2rem 12rem;
  background-image: linear-gradient(180deg, rgba(15, 12, 20, 0.5) 0%, rgba(10, 8, 15, 0.75) 100%), url('/assets/img/teaser/hero_nature.jpg');
  background-size: cover;
  background-position: center center;
  background-attachment: scroll;
  color: #ffffff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.teaser-renewal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(255, 180, 120, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.teaser-renewal__badge {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  color: #ffdfb0;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 223, 176, 0.4);
  padding-bottom: 0.5rem;
  text-shadow: 0 0 12px rgba(255, 180, 100, 0.4);
}

.teaser-renewal__heading {
  font-size: 2.5rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  margin-bottom: 2.5rem;
  color: #ffffff;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.teaser-renewal__desc {
  font-size: 1.2rem;
  line-height: 2.5;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 4rem;
  font-weight: 300;
  font-feature-settings: "palt" 1;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.teaser-renewal__status {
  font-size: 1.65rem;
  letter-spacing: 0.4em;
  color: #ffd8a8;
  font-weight: 500;
  text-transform: uppercase;
  text-shadow: 0 0 20px rgba(255, 200, 140, 0.5);
}

/* -----------------------------------------
   YouTube Section
----------------------------------------- */
.teaser-youtube {
  padding: 8rem 2rem;
  background-color: var(--color-bg);
  text-align: center;
  border-top: 1px solid #eae8e1;
}

.teaser-youtube__text {
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  color: var(--color-text-sub);
  margin-bottom: 3rem;
}

.teaser-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.1rem 3rem;
  background-color: transparent;
  color: var(--color-text-main);
  border: 1px solid var(--color-text-main);
  text-decoration: none;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  transition: all 0.4s ease;
  border-radius: 0;
}

.teaser-btn:hover {
  background-color: var(--color-text-main);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

.teaser-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  transition: transform 0.3s ease;
}

.teaser-btn:hover svg {
  transform: translateX(3px);
}

/* -----------------------------------------
   History & Footer Section
----------------------------------------- */
.teaser-footer {
  padding: 6rem 2rem 4rem;
  background-color: #161616;
  color: #a0a0a0;
  font-size: 0.85rem;
  line-height: 2.2;
  text-align: center;
  border-top: 1px solid #222222;
  font-family: "游明朝", YuMincho, "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", HG明朝E, "ＭＳ Ｐ明朝", "MS PMincho", serif !important;
}

.teaser-footer a,
.teaser-footer p,
.teaser-footer div,
.teaser-footer span,
.teaser-footer li {
  font-family: "游明朝", YuMincho, "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", HG明朝E, "ＭＳ Ｐ明朝", "MS PMincho", serif !important;
}

.teaser-footer__history {
  max-width: 600px;
  margin: 0 auto 4rem;
  color: #888888;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  border-bottom: 1px solid #282828;
  padding-bottom: 3rem;
}

.teaser-footer__logo img {
  height: 30px;
  width: auto;
  filter: brightness(0) invert(0.7);
  margin-bottom: 1.5rem;
}

.teaser-footer__links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  list-style: none;
  padding: 0;
}

.teaser-footer__links a {
  color: #888888;
  text-decoration: none;
  transition: color 0.3s ease;
  letter-spacing: 0.05em;
}

.teaser-footer__links a:hover {
  color: #ffffff;
}

.teaser-footer__copy {
  font-size: 0.75rem;
  color: #555555;
  letter-spacing: 0.1em;
}

/* -----------------------------------------
   Responsive Media Queries
----------------------------------------- */
@media (max-width: 768px) {
  .teaser-header {
    padding: 1.5rem 1.5rem !important;
  }

  .teaser-header .teaser-logo img {
    height: 34px;
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.7)) !important;
  }

  .teaser-hero__title {
    font-size: 1.95rem;
    line-height: 1.9;
    letter-spacing: 0.14em;
    margin-bottom: 1.5rem;
  }

  .teaser-hero__subtitle {
    font-size: 0.75rem;
    letter-spacing: 0.25em;
  }

  .teaser-story {
    padding: 6rem 1.5rem 5rem;
  }

  .teaser-story__years {
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    white-space: nowrap;
  }

  .teaser-story__text {
    font-size: 1.1rem;
    line-height: 2.2;
  }

  .teaser-renewal {
    padding: 5rem 1.5rem 6rem;
  }

  .teaser-renewal__heading {
    font-size: 1.6rem;
    margin-bottom: 1.8rem;
  }

  .teaser-renewal__desc {
    font-size: 1rem;
    line-height: 2.1;
    margin-bottom: 3rem;
  }

  .teaser-renewal__status {
    font-size: 1.25rem;
    letter-spacing: 0.25em;
  }

  .teaser-youtube {
    padding: 5rem 1.5rem;
  }

  .teaser-footer {
    padding: 4rem 1.5rem 3rem;
  }
}