body.hoyo-page {
  background:
    radial-gradient(circle at 0 0, transparent 33px, rgba(201, 168, 76, .048) 33px, rgba(201, 168, 76, .048) 34px, transparent 34px) 0 0 / 72px 72px,
    radial-gradient(circle at 36px 36px, transparent 33px, rgba(201, 168, 76, .034) 33px, rgba(201, 168, 76, .034) 34px, transparent 34px) 0 0 / 72px 72px,
    radial-gradient(circle at 0 36px, transparent 33px, rgba(201, 168, 76, .024) 33px, rgba(201, 168, 76, .024) 34px, transparent 34px) 0 0 / 72px 72px,
    radial-gradient(circle at 36px 0, transparent 33px, rgba(201, 168, 76, .024) 33px, rgba(201, 168, 76, .024) 34px, transparent 34px) 0 0 / 72px 72px,
    radial-gradient(circle at 20% 16%, rgba(82, 107, 77, .18), transparent 26rem),
    radial-gradient(circle at 82% 28%, rgba(166, 61, 47, .12), transparent 30rem),
    #090805;
  overflow-x: hidden;
}

.hoyo-page::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(9, 8, 5, .08), rgba(9, 8, 5, 0) 24%, rgba(9, 8, 5, .18) 100%),
    radial-gradient(circle at 84% 16%, rgba(201, 168, 76, .08), transparent 22rem);
  z-index: -1;
}

.hoyo-page #main-nav {
  background: rgba(9, 8, 5, .72);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.hoyo-page .nav-links a.active {
  color: var(--accent);
}

.section-shell {
  padding: clamp(5rem, 8vw, 8rem) clamp(1.5rem, 4vw, 3rem);
}

.hoyo-hero {
  background: #eae6e1;
  min-height: 100vh;
  padding: clamp(7rem, 12vw, 10rem) clamp(1.5rem, 4vw, 3rem) clamp(4rem, 8vw, 6rem);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  position: relative;
  overflow: hidden;
}

.hoyo-hero::after {
  content: '';
  position: absolute;
  right: clamp(-10rem, -4vw, -4rem);
  top: clamp(6rem, 8vw, 10rem);
  width: clamp(16rem, 30vw, 32rem);
  aspect-ratio: 1;
  background: url('img/hasu2.png') center / contain no-repeat;
  opacity: .16;
  filter: sepia(1) saturate(5) hue-rotate(5deg) brightness(.95);
  pointer-events: none;
  mix-blend-mode: luminosity;
}

/* ── hoyo-hero 白背景：テキストカラー調整 ── */
.hoyo-hero .hoyo-kicker {
  color: rgba(130, 95, 22, .85);
}

.hoyo-hero .hoyo-title,
.hoyo-flow h3 {
  color: #3b2d1b;
}

.hoyo-hero .fact-card strong {
  color: rgba(58, 44, 25, .84);
}

.hoyo-hero .fact-label,
.hoyo-flow .section-body,
.hoyo-flow .flow-item p,
.hoyo-visit .section-body {
  color: rgba(58, 44, 25, .84);
}

.hoyo-hero .hoyo-hero-mark {
  color: rgb(195 190 180 / 49%);

}

.hoyo-hero-media {
  position: relative;
  min-height: clamp(560px, 78vh, 900px);
}

.hero-frame {
  position: absolute;
  overflow: hidden;
  background: #12100b;
  box-shadow: 0 10px 20px rgba(0, 0, 0, .2);
}

.hero-frame::after {
  content: '';
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(226, 217, 200, .12);
  pointer-events: none;
}

.hero-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(.82) saturate(.86);
}

.hero-frame-main {
  inset: 0 16% 10% 0;
}

.hero-frame-sub {
  right: 0;
  top: 9%;
  width: 32%;
  height: 35%;
}

.hero-frame-edge {
  right: 4%;
  bottom: 0;
  width: 42%;
  height: 31%;
}

.hoyo-hero-copy {
  position: relative;
  z-index: 2;
  max-width: 560px;
  padding-bottom: clamp(1rem, 2vw, 2rem);
}

.hoyo-kicker {
  margin-top: 1.2rem;
  color: rgba(232, 208, 128, .74);
  letter-spacing: .18em;
  font-size: .82rem;
}

.hoyo-title {
  margin-top: 1rem;
  font-size: clamp(2.8rem, 7vw, 6.6rem);
  line-height: 1.08;
  font-weight: 600;
}

.hoyo-facts {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 1.8rem;
  align-items: center;
}

.fact-card {
  position: relative;
  min-height: 0;
  padding: 0 0 0 .95rem;
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: .65rem;
}

.fact-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: .15rem;
  bottom: .15rem;
  width: 1px;
  background: linear-gradient(180deg, rgba(201, 168, 76, .16), rgba(201, 168, 76, .72), rgba(201, 168, 76, .16));
}

.fact-card strong {
  font-size: .98rem;
  line-height: 1.45;
  font-weight: 500;
}

.fact-label {
  color: rgba(232, 208, 128, .6);
  font-size: .68rem;
  letter-spacing: .16em;
  margin-bottom: 0;
  white-space: nowrap;
}

.hoyo-hero-mark {
  position: absolute;
  right: clamp(-2rem, 2vw, 3rem);
  top: 6.5rem;
  writing-mode: vertical-rl;
  font-size: clamp(4rem, 9vw, 8rem);
  color: rgba(201, 168, 76, .08);
  letter-spacing: .18em;
  pointer-events: none;
}

.summary-box h3,
.flow-item h3,
.media-card h3 {
  font-size: 1.2rem;
  margin-bottom: .7rem;
}

.summary-box p,
.flow-item p,
.media-card p {
  color: rgba(226, 217, 200, .72);
  font-size: .96rem;
  line-height: 1.9;
}

.hoyo-archive {
  position: relative;
  background:
    radial-gradient(circle at 0 0, transparent 33px, rgba(201, 168, 76, .036) 33px, rgba(201, 168, 76, .036) 34px, transparent 34px) 0 0 / 72px 72px,
    radial-gradient(circle at 36px 36px, transparent 33px, rgba(201, 168, 76, .024) 33px, rgba(201, 168, 76, .024) 34px, transparent 34px) 0 0 / 72px 72px,
    radial-gradient(circle at 0 36px, transparent 33px, rgba(201, 168, 76, .016) 33px, rgba(201, 168, 76, .016) 34px, transparent 34px) 0 0 / 72px 72px,
    radial-gradient(circle at 36px 0, transparent 33px, rgba(201, 168, 76, .016) 33px, rgba(201, 168, 76, .016) 34px, transparent 34px) 0 0 / 72px 72px,
    radial-gradient(circle at 18% 18%, rgba(201, 168, 76, .06), transparent 22rem),
    #0e0b08;
}

.hoyo-flow .section-title,
.hoyo-visit .section-title {
  color: #3b2d1b;
}

.hoyo-flow {
  position: relative;
  background:
    linear-gradient(180deg, rgb(233, 229, 224) 0%, rgba(255, 245, 230, 1) 16%, rgba(255, 245, 230, 1) 54%, rgba(233, 229, 224, 1) 86%),
    radial-gradient(circle at 18% 22%, rgba(201, 168, 76, .06), transparent 16rem),
    radial-gradient(circle at 0 0, transparent 33px, rgba(201, 168, 76, .009) 33px, rgba(201, 168, 76, .009) 34px, transparent 34px) 0 0 / 72px 72px,
    radial-gradient(circle at 36px 36px, transparent 33px, rgba(201, 168, 76, .006) 33px, rgba(201, 168, 76, .006) 34px, transparent 34px) 0 0 / 72px 72px,
    radial-gradient(circle at 0 36px, transparent 33px, rgba(201, 168, 76, .004) 33px, rgba(201, 168, 76, .004) 34px, transparent 34px) 0 0 / 72px 72px,
    radial-gradient(circle at 36px 0, transparent 33px, rgba(201, 168, 76, .004) 33px, rgba(201, 168, 76, .004) 34px, transparent 34px) 0 0 / 72px 72px;
}

.hoyo-media,
.hoyo-visit {
  position: relative;
  background:
    radial-gradient(circle at 0 0, transparent 33px, rgba(201, 168, 76, .038) 33px, rgba(201, 168, 76, .038) 34px, transparent 34px) 0 0 / 72px 72px,
    radial-gradient(circle at 36px 36px, transparent 33px, rgba(201, 168, 76, .027) 33px, rgba(201, 168, 76, .027) 34px, transparent 34px) 0 0 / 72px 72px,
    radial-gradient(circle at 0 36px, transparent 33px, rgba(201, 168, 76, .018) 33px, rgba(201, 168, 76, .018) 34px, transparent 34px) 0 0 / 72px 72px,
    radial-gradient(circle at 36px 0, transparent 33px, rgba(201, 168, 76, .018) 33px, rgba(201, 168, 76, .018) 34px, transparent 34px) 0 0 / 72px 72px;
}

.mb-pic {
  display: none;
}

.archive-heading {
  max-width: 700px;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.hoyo-archive .section-label {
  color: rgba(201, 168, 76, .62);
}

.hoyo-archive .section-title {
  color: var(--text);
}

.hoyo-hero .section-title::first-letter,
.hoyo-visit .section-title::first-letter {
  color: #8f6a2d;
}

.hoyo-archive .section-title::first-letter {
  color: var(--main);
}

.hoyo-archive .archive-card img {
  filter: sepia(.42) saturate(.65) brightness(.78);
  transition: transform .7s ease, filter .7s ease;
}

@media (hover: hover) and (pointer: fine) {
  .hoyo-archive .archive-grid:hover .archive-card img {
    filter: sepia(.22) saturate(.55) brightness(.68);
  }

  .hoyo-archive .archive-card:hover img {
    filter: sepia(0) saturate(1.05) brightness(.96);
    transform: scale(1.045);
  }
}

.archive-grid {
  display: grid;
  grid-template-columns: 1.1fr .85fr .95fr;
  grid-auto-rows: 260px;
  gap: 10px;
}

.archive-card {
  position: relative;
  overflow: hidden;
  background: #111;
  cursor: zoom-in;
  z-index: 2;
}

.archive-card img,
.visit-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.82) brightness(.88);
  transform: scale(1.01);
  transition: transform .6s ease, filter .6s ease;
}

.archive-card .position-down {
  object-position: center 13%;
}

.archive-card::after,
.visit-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 252, 244, .06), rgba(12, 10, 7, .42) 42%, rgba(12, 10, 7, .62));
  pointer-events: none;
  transition: opacity .45s ease, background .45s ease;
}

.archive-card figcaption {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 2;
  font-size: .82rem;
  letter-spacing: .12em;
  color: rgba(226, 217, 200, .84);
}

.archive-card-tall {
  grid-row: span 2;
}

.archive-card-wide {
  grid-column: span 2;
}

@media (hover: hover) and (pointer: fine) {
  .archive-grid:hover .archive-card img {
    filter: saturate(.74) brightness(.82);
  }

  .archive-grid:hover .archive-card::after {
    opacity: 1;
  }

  .archive-card:hover img {
    filter: saturate(.98) brightness(1);
    transform: scale(1.045);
  }

  .archive-card:hover::after {
    background:
      linear-gradient(180deg, rgba(255, 252, 244, .02), rgba(12, 10, 7, .12) 36%, rgba(12, 10, 7, .28));
  }
}

.archive-card:focus-visible {
  outline: 2px solid rgba(201, 168, 76, .72);
  outline-offset: 3px;
}

.archive-card-static {
  cursor: default;
  overflow: visible;
}



.archive-card-static-hasu::after {
  content: '';
  position: absolute;
  left: clamp(-10rem, 50vw, -20rem);
  bottom: clamp(-6rem, -10vw, -21rem);
  z-index: 1;
  width: clamp(380px, 45vw, 890px);
  aspect-ratio: 1;
  background: url('img/hasu2.png') center / contain no-repeat;
  opacity: .055;
  pointer-events: none;
  filter: sepia(1) saturate(5) hue-rotate(5deg) brightness(.95);
  mix-blend-mode: difference;
}

.archive-card.archive-card-static::after {
  filter: none;
  transform: none;
  background: none;
}

@media (hover: hover) and (pointer: fine) {
  .archive-card-static:hover img {
    filter: none;
    transform: none;
  }
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 8, 5, .88);
  backdrop-filter: blur(8px);
}

.lightbox-figure {
  position: relative;
  z-index: 1;
  width: min(92vw, 1280px);
  max-height: 86vh;
  margin: 0;
}

.lightbox-figure img {
  display: block;
  width: 100%;
  max-height: 86vh;
  object-fit: contain;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .4);
}

.hoyo-flow {
  display: grid;
  grid-template-columns: minmax(280px, .85fr) minmax(0, 1.15fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.hoyo-flow .section-title {
  font-size: clamp(1.6rem, 5vw, 2.5rem);
}

.hoyo-hero-copy .section-body {
  color: rgba(58, 44, 25, .84);
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.flow-heading {
  max-width: 820px;
}

.flow-item {
  min-height: 0;
  padding: .95rem 0 1rem;
  background: none;
  border-left: none;
  border-top: 1px solid rgba(201, 168, 76, .18);
}

.flow-no {
  display: inline-block;
  margin-bottom: .35rem;
  color: rgba(201, 168, 76, .78);
  font-size: .82rem;
  letter-spacing: .08em;
}

.flow-item h3 {
  margin-bottom: .38rem;
  font-size: 1.02rem;
}

.flow-item p {
  color: rgba(226, 217, 200, .68);
  font-size: .92rem;
  line-height: 1.85;
}

.hoyo-media {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.media-card {
  min-height: 220px;
  padding: 1.5rem;
  background:
    radial-gradient(circle at top right, rgba(201, 168, 76, .09), transparent 12rem),
    linear-gradient(180deg, rgba(26, 21, 14, .95), rgba(10, 8, 5, .98));
  border: 1px solid rgba(201, 168, 76, .12);
}

.media-card-wide {
  grid-column: span 2;
}

.media-tag {
  display: inline-block;
  margin-bottom: 1rem;
  color: rgba(232, 208, 128, .72);
  letter-spacing: .18em;
  font-size: .75rem;
}

.hoyo-visit {
  background: #eae6e1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .9fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.visit-image {
  position: relative;
  min-height: 520px;
  overflow: hidden;
}

.visit-copy {
  max-width: 560px;
}

.visit-actions {
  margin-top: 2rem;
  display: grid;
  gap: .75rem;
}

.return-link {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 1rem;
  align-items: baseline;
  padding: .95rem 0;
  text-decoration: none;
  color: var(--text);
  border-top: 1px solid rgba(201, 168, 76, .18);
  transition: border-color .3s ease, color .3s ease, transform .3s ease;
}

.return-link:last-child {
  border-bottom: 1px solid rgba(201, 168, 76, .18);
}

.return-link-label {
  font-size: .68rem;
  letter-spacing: .18em;
  color: #553816bf;
  text-transform: uppercase;
}

.return-link-text {
  font-size: 1rem;
  color: #6b5c32;
}

.return-link:hover {
  transform: translateX(6px);
  border-color: rgba(201, 168, 76, .42);
}

.return-link:hover .return-link-label,
.return-link:hover .return-link-text {
  color: #413716eb;
}

.hoyo-footer {
  margin-top: 0;
}

@media (max-width: 1100px) {

  .hoyo-hero,
  .hoyo-summary,
  .hoyo-flow,
  .hoyo-media,
  .hoyo-visit {
    grid-template-columns: 1fr;
  }

  .hoyo-hero-copy,
  .visit-copy,
  .archive-heading {
    max-width: none;
  }

  .summary-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .hoyo-hero {
    min-height: auto;
    padding-top: 6.5rem;
  }

  .hoyo-hero-media {
    min-height: 520px;
  }

  .hero-frame-main {
    inset: 0 8% 18% 0;
  }

  .hero-frame-sub {
    width: 36%;
    height: 30%;
  }

  .hero-frame-edge {
    width: 48%;
    height: 26%;
  }

  .flow-list,
  .media-grid {
    grid-template-columns: 1fr;
  }

  .hoyo-facts {
    gap: .85rem 1.2rem;
  }

  .media-card-wide {
    grid-column: span 1;
  }
}

@media (max-width: 640px) {

  html,
  body,
  .hoyo-page,
  .hoyo-hero,
  .hoyo-summary,
  .hoyo-flow,
  .hoyo-archive,
  .hoyo-media,
  .hoyo-visit,
  .hoyo-footer {
    overflow-x: clip;
  }

  .section-shell {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .hoyo-hero {
    gap: 1.5rem;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .hoyo-hero-media {
    min-height: 420px;
  }

  .hero-frame-main {
    inset: 0 0 22% 0;
  }

  .hero-frame-sub {
    right: -5px;
    top: auto;
    bottom: 5%;
    width: 42%;
    height: 28%;
  }

  .hero-frame-edge {
    display: none;
  }

  .hoyo-hero::after {
    right: -1.5rem;
    width: 14rem;
  }

  .hoyo-hero-mark {
    right: .1rem;
    top: 5.8rem;
    font-size: 3.3rem;
  }

  .hoyo-facts {
    flex-direction: column;
    align-items: flex-start;
  }

  .fact-card,
  .summary-box,
  .flow-item,
  .media-card,
  .visit-image {
    min-height: auto;
  }

  .archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: 145px;
    gap: 8px;
  }

  .archive-card-tall {
    grid-row: span 2;
  }

  .archive-card-wide {
    grid-column: span 2;
  }

  .archive-card figcaption {
    left: .7rem;
    right: .7rem;
    bottom: .7rem;
    font-size: .72rem;
    letter-spacing: .08em;
  }

  .archive-card-static-hasu::after {
    display: none;
  }

  .archive-grid>figure:not(.archive-card) {
    display: none;
  }

  .archive-card-static-hasu {
    display: none;
  }

  .archive-card-static {
    overflow: hidden;
  }

  .lightbox-figure {
    width: min(94vw, 1280px);
  }

  .visit-actions {
    gap: .4rem;
  }

  .return-link {
    grid-template-columns: 1fr;
    gap: .28rem;
    padding: .9rem 0;
  }

  footer {
    overflow: hidden;
  }

  .mb-pic {
    display: inline-block;
  }

  .pc-pic {
    display: none;
  }
}