.story-hero {
  min-height: min(860px, 100dvh);
  display: flex;
  align-items: center;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: 122px;
  padding-bottom: 92px;
}

.story-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(ellipse 56% 72% at 78% 52%, rgba(250, 58, 127, 0.17), transparent 73%),
    radial-gradient(ellipse 38% 46% at 33% 88%, rgba(0, 202, 253, 0.10), transparent 76%);
}

.story-hero-aura {
  position: absolute;
  z-index: -2;
  width: min(68vw, 840px);
  aspect-ratio: 1;
  top: 50%;
  left: 69%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: conic-gradient(from 185deg, rgba(250, 58, 127, 0.32), rgba(214, 114, 215, 0.12), rgba(0, 202, 253, 0.24), rgba(250, 58, 127, 0.32));
  filter: blur(74px);
  opacity: 0.78;
}

.story-hero-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.33;
  background-image:
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 40%, #000 82%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 40%, #000 82%, transparent);
}

.story-hero-container {
  position: relative;
  z-index: 1;
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 0 var(--sp-5);
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  gap: clamp(48px, 8vw, 112px);
  align-items: center;
}

.story-hero-text {
  max-width: 650px;
  text-align: left;
}

.story-hero h1 {
  max-width: 12ch;
  margin: var(--sp-4) 0 var(--sp-5);
  color: var(--text-main);
  font-size: clamp(42px, 5.1vw, 70px);
  font-weight: var(--fw-black);
  letter-spacing: -0.055em;
  line-height: 0.98;
  text-wrap: balance;
}

.story-hero-sub {
  max-width: 45ch;
  color: var(--text-muted);
  font-size: clamp(17px, 1.55vw, 20px);
  line-height: 1.7;
  text-wrap: pretty;
}

.story-hero-rule {
  display: flex;
  align-items: center;
  width: 136px;
  height: 30px;
  margin-top: var(--sp-7);
}
.story-hero-rule::before,
.story-hero-rule::after {
  content: '';
  display: block;
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--primary), transparent);
}
.story-hero-rule::after { transform: scaleX(-1); }
.story-hero-rule span {
  width: 8px;
  height: 8px;
  margin: 0 9px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 18px var(--primary-glow-strong);
}

.story-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--sp-6);
  padding: 9px 14px 9px 11px;
  border: 1px solid var(--border-color);
  border-radius: var(--r-pill);
  background: color-mix(in srgb, var(--surface-solid) 58%, transparent);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  transition: color var(--t-base) var(--ease), border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease), background var(--t-base) var(--ease);
}
.story-back::before { content: '←'; transition: transform var(--t-base) var(--ease); }
.story-back:hover {
  color: var(--primary);
  border-color: var(--primary-soft-2);
  background: var(--primary-soft);
  transform: translateX(-3px);
}
.story-back:hover::before { transform: translateX(-2px); }

.story-hero-visual {
  position: relative;
  justify-self: center;
  width: min(100%, 430px);
  margin: 0;
}

.story-visual-frame {
  position: relative;
  display: grid;
  place-items: end center;
  min-height: 530px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--border-hover) 70%, transparent);
  border-radius: 220px 220px 30px 30px;
  background:
    linear-gradient(165deg, color-mix(in srgb, var(--surface-elevated) 80%, transparent), color-mix(in srgb, var(--surface-solid) 36%, transparent)),
    radial-gradient(circle at 52% 20%, rgba(255, 255, 255, 0.12), transparent 37%);
  box-shadow: 0 36px 90px -38px rgba(0, 0, 0, 0.76), inset 0 1px rgba(255, 255, 255, 0.1);
}
.story-visual-frame::before {
  content: '';
  position: absolute;
  inset: 15px;
  z-index: 0;
  border: 1px solid color-mix(in srgb, var(--border-hover) 62%, transparent);
  border-radius: 205px 205px 20px 20px;
}
.story-visual-frame::after {
  content: '';
  position: absolute;
  z-index: 2;
  right: 19px;
  bottom: 17px;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary) 0 4%, transparent 5% 15%, color-mix(in srgb, var(--primary) 42%, transparent) 16% 17%, transparent 18% 100%);
  opacity: 0.78;
}

.story-visual-glow {
  position: absolute;
  z-index: 0;
  width: 290px;
  height: 290px;
  top: 88px;
  left: 50%;
  border-radius: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(250, 58, 127, 0.34), rgba(0, 202, 253, 0.12) 49%, transparent 70%);
  filter: blur(12px);
}
.story-hero-img {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 372px;
  max-height: 510px;
  object-fit: contain;
  object-position: bottom center;
  filter: drop-shadow(0 20px 22px rgba(0, 0, 0, 0.4));
  animation: coupleFloat 8s ease-in-out infinite alternate;
}
.story-visual-star {
  position: absolute;
  z-index: 2;
  width: 10px;
  height: 10px;
  background: var(--cat-travel);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(0, 202, 253, 0.08), 0 0 24px rgba(0, 202, 253, 0.74);
}
.story-visual-star-a { top: 34%; right: 34px; }
.story-visual-star-b { top: 22%; left: 43px; width: 7px; height: 7px; background: var(--primary); box-shadow: 0 0 0 5px rgba(250, 58, 127, 0.08), 0 0 22px var(--primary-glow-strong); }
.story-visual-caption {
  display: flex;
  gap: 8px;
  align-items: center;
  width: 116px;
  margin: 20px auto 0;
}
.story-visual-caption::before,
.story-visual-caption::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-hover);
}
.story-visual-caption span { display: block; width: 4px; height: 4px; border-radius: 50%; background: var(--primary); }

.story-article {
  position: relative;
  width: min(100%, 900px);
  margin: 0 auto;
  padding: clamp(88px, 12vw, 154px) var(--sp-5) var(--sp-10);
}
.story-article-inner {
  position: relative;
  width: min(100%, 650px);
  margin: 0 auto;
}
.story-article-rail {
  position: absolute;
  top: 106px;
  bottom: 170px;
  left: max(20px, calc(50% - 405px));
  width: 1px;
  background: linear-gradient(transparent, var(--border-hover) 8%, var(--border-color) 85%, transparent);
}
.story-article-rail span {
  position: sticky;
  top: 120px;
  display: block;
  width: 7px;
  height: 7px;
  margin-left: -3px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 5px var(--bg), 0 0 24px var(--primary-glow-strong);
}

.story-opening,
.story-chapter,
.story-closing {
  position: relative;
  padding-left: clamp(38px, 6vw, 64px);
}
.story-index {
  position: absolute;
  top: 7px;
  left: 0;
  color: var(--primary);
  font-size: 11px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.16em;
  line-height: 1;
}
.story-lead {
  color: var(--text-main);
  font-size: clamp(25px, 3vw, 36px);
  font-weight: var(--fw-semibold);
  letter-spacing: -0.035em;
  line-height: 1.28;
  text-wrap: balance;
}
.story-chapter { margin-top: clamp(64px, 9vw, 104px); }
.story-paragraph {
  margin-bottom: var(--sp-5);
  color: var(--text-muted);
  font-size: clamp(17px, 1.52vw, 19px);
  line-height: 1.82;
  text-wrap: pretty;
}
.story-paragraph:last-child { margin-bottom: 0; }
.story-paragraph-emphasis {
  color: var(--text-main);
  font-weight: var(--fw-semibold);
}
.story-paragraph-strong {
  color: var(--text-main);
  font-size: clamp(20px, 2vw, 25px);
  font-weight: var(--fw-semibold);
  line-height: 1.48;
  letter-spacing: -0.025em;
}

.story-pull-quote {
  position: relative;
  margin: clamp(78px, 10vw, 118px) -72px;
  padding: clamp(48px, 7vw, 74px) clamp(35px, 7vw, 74px);
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: var(--r-modal);
  background: linear-gradient(130deg, color-mix(in srgb, var(--primary-soft) 95%, transparent), color-mix(in srgb, var(--surface-elevated) 64%, transparent));
  box-shadow: var(--glass-shadow);
  text-align: center;
}
.story-pull-quote::before,
.story-pull-quote::after {
  content: '';
  position: absolute;
  width: 180px;
  height: 180px;
  border: 1px solid var(--primary-soft-2);
  border-radius: 50%;
}
.story-pull-quote::before { top: -122px; left: -92px; }
.story-pull-quote::after { right: -110px; bottom: -132px; border-color: rgba(0, 202, 253, 0.16); }
.story-quote-mark {
  position: relative;
  z-index: 1;
  display: block;
  height: 38px;
  color: var(--primary);
  font-family: Georgia, serif;
  font-size: 76px;
  font-weight: var(--fw-bold);
  line-height: 1;
}
.story-pull-quote p {
  position: relative;
  z-index: 1;
  margin-top: var(--sp-3);
  color: var(--text-main);
  font-size: clamp(25px, 3.35vw, 40px);
  font-weight: var(--fw-black);
  letter-spacing: -0.045em;
  line-height: 1.12;
  text-wrap: balance;
}

.story-memory-map {
  position: relative;
  height: 112px;
  margin: clamp(64px, 8vw, 94px) 0;
  overflow: hidden;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.story-memory-line {
  position: absolute;
  top: 50%;
  left: 4%;
  width: 92%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-soft-2), rgba(0, 202, 253, 0.42), transparent);
}
.story-memory-dot {
  position: absolute;
  top: calc(50% - 6px);
  z-index: 1;
  width: 12px;
  height: 12px;
  border: 3px solid var(--bg);
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
}
.story-memory-dot::before {
  content: '';
  position: absolute;
  width: 1px;
  height: 30px;
  left: 2px;
  top: -35px;
  background: linear-gradient(var(--primary-soft-2), transparent);
}
.dot-a { left: 16%; }.dot-b { left: 49%; background: var(--cat-travel); box-shadow: 0 0 20px rgba(0, 202, 253, 0.52); }.dot-c { left: 81%; }
.dot-b::before { top: 14px; background: linear-gradient(transparent, rgba(0, 202, 253, 0.42)); }

.story-principle {
  margin: clamp(76px, 10vw, 120px) 0;
  padding: clamp(40px, 5vw, 58px) clamp(30px, 5vw, 58px);
  border-left: 2px solid var(--primary);
  background: linear-gradient(90deg, var(--primary-soft), transparent 88%);
}
.story-principle p {
  color: var(--text-main);
  font-size: clamp(22px, 2.45vw, 30px);
  font-weight: var(--fw-semibold);
  letter-spacing: -0.035em;
  line-height: 1.32;
  text-wrap: balance;
}
.story-closing { margin-top: clamp(76px, 9vw, 104px); }
.story-decision {
  margin: var(--sp-7) 0 var(--sp-4);
  color: var(--primary);
  font-size: clamp(23px, 2.5vw, 30px);
  font-weight: var(--fw-bold);
  letter-spacing: -0.04em;
  line-height: 1.25;
}
.story-ending {
  color: var(--text-main);
  font-size: clamp(25px, 3vw, 36px);
  font-weight: var(--fw-black);
  letter-spacing: -0.05em;
  line-height: 1.12;
}
.story-sign {
  display: block;
  margin-top: var(--sp-7);
  color: var(--text-dim);
  font-size: var(--fs-sm);
  font-style: italic;
  font-weight: var(--fw-medium);
  letter-spacing: 0.02em;
}

@media (max-width: 900px) {
  .story-hero { min-height: auto; padding-top: 116px; }
  .story-hero-container { grid-template-columns: 1fr; gap: var(--sp-7); text-align: center; }
  .story-hero-text { max-width: 680px; margin: 0 auto; text-align: center; }
  .story-hero h1, .story-hero-sub { margin-left: auto; margin-right: auto; }
  .story-hero-rule { margin-left: auto; margin-right: auto; }
  .story-hero-visual { width: min(100%, 390px); }
  .story-visual-frame { min-height: 470px; }
  .story-hero-img { max-width: 334px; max-height: 450px; }
  .story-article-rail { left: 21px; }
}

@media (max-width: 760px) {
  .story-pull-quote { margin-left: 0; margin-right: 0; }
}

@media (max-width: 640px) {
  .story-hero { padding: 96px var(--sp-4) 62px; }
  .story-hero-container { padding: 0; gap: var(--sp-7); }
  .story-hero h1 { max-width: 11ch; font-size: clamp(38px, 11vw, 52px); }
  .story-hero-sub { font-size: 16px; }
  .story-back { margin-bottom: var(--sp-5); }
  .story-hero-grid { background-size: 46px 46px; }
  .story-visual-frame { min-height: 410px; border-radius: 180px 180px 24px 24px; }
  .story-visual-frame::before { border-radius: 165px 165px 16px 16px; }
  .story-hero-img { max-width: 294px; max-height: 390px; }
  .story-visual-star-a { right: 29px; }.story-visual-star-b { left: 31px; }
  .story-article { padding: var(--sp-9) var(--sp-4); }
  .story-article-rail { display: none; }
  .story-opening, .story-chapter, .story-closing { padding-left: 33px; }
  .story-index { font-size: 10px; }
  .story-lead { font-size: clamp(24px, 7.5vw, 31px); }
  .story-chapter { margin-top: var(--sp-8); }
  .story-pull-quote { padding: var(--sp-6) var(--sp-5); border-radius: var(--r-card); }
  .story-pull-quote p { font-size: clamp(24px, 7.6vw, 32px); }
  .story-memory-map { height: 84px; margin: var(--sp-7) 0; }
  .story-principle { margin: var(--sp-8) 0; padding: var(--sp-6) var(--sp-5); }
  .story-principle p { font-size: clamp(21px, 6.8vw, 28px); }
  .story-closing { margin-top: var(--sp-8); }
}

@media (prefers-reduced-motion: reduce) {
  .story-hero-img { animation: none; }
}