:root {
  --ink: #101010;
  --soft-ink: #393633;
  --muted: #77726b;
  --paper: #f6f3ee;
  --paper-dark: #ebe6dc;
  --white: #fff;
  --line: rgba(16, 16, 16, 0.16);
  --blue: #148eaa;
  --red: #d84b44;
  --gold: #d6a51f;
  --shadow: rgba(20, 18, 16, 0.2);
  --serif: "Yu Mincho Light", "Yu Mincho", "BIZ UDPMincho", "Hiragino Mincho ProN", serif;
  --hand: "HGP教科書体", "HGS教科書体", "Yu Mincho Light", "Yu Mincho", serif;
  --sans: "Noto Sans JP", "Yu Gothic", YuGothic, Meiryo, sans-serif;
  --number: Didot, "Bodoni 72", "Bodoni MT", Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  /* スムーススクロールは script.js のイージング制御で行う（ネイティブsmoothは無効） */
  scroll-behavior: auto;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-weight: 400;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  color: var(--ink);
  background: rgba(246, 243, 238, 0.78);
  border-bottom: 1px solid rgba(16, 16, 16, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--serif);
  font-size: clamp(17px, 2vw, 23px);
  font-weight: 400;
  white-space: nowrap;
}

.brand-year,
.quick-info strong,
.theme-grid span {
  font-family: var(--number);
  font-variant-numeric: lining-nums;
}

.brand-year {
  font-size: 0.85em;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  font-family: var(--serif);
  font-size: 14px;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background: #ece7df;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(246, 243, 238, 0) 0%, rgba(246, 243, 238, 0) 60%, rgba(246, 243, 238, 0.92) 77%, rgba(246, 243, 238, 0.96) 100%),
    linear-gradient(90deg, rgba(246, 243, 238, 0.2) 0%, transparent 24%, transparent 74%, rgba(246, 243, 238, 0.22) 100%);
  pointer-events: none;
}

.hero::after {
  display: none;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center top;
}

.hero-copy {
  position: absolute;
  z-index: 2;
  left: clamp(24px, 6vw, 84px);
  bottom: clamp(132px, 15vw, 220px);
  display: flex;
  flex-direction: column;
  width: min(760px, calc(100% - 48px));
  padding: 0;
  color: #050505;
}

.eyebrow,
.label {
  margin: 0 0 14px;
  color: var(--muted);
  font-family: var(--number);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.section h2,
.theme-band h2,
.photo-story h2,
.poster-section h2 {
  font-family: var(--serif);
  font-weight: 300;
}

.lead {
  order: 2;
  max-width: 760px;
  margin: 18px 0 0;
  color: #171514;
  font-family: var(--serif);
  font-size: clamp(16px, 1.45vw, 20px);
  line-height: 2.05;
  text-shadow: 0 1px 18px rgba(255, 255, 255, 0.72);
}

.hero-actions,
.form-copy {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.hero-actions {
  order: 1;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid var(--ink);
  border-radius: 0;
  font: 500 14px/1 var(--serif);
  cursor: pointer;
}

.button.primary,
button {
  color: var(--white);
  background: var(--ink);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.62);
}

.quick-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.quick-info div {
  min-height: 128px;
  padding: 28px clamp(20px, 4vw, 48px);
  border-right: 1px solid var(--line);
}

.quick-info span {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 13px;
}

.quick-info strong {
  font-size: clamp(25px, 2.8vw, 38px);
  font-weight: 400;
}

.section,
.theme-band,
.photo-story,
.poster-section {
  padding: clamp(72px, 9vw, 132px) clamp(22px, 6vw, 86px);
}

.section-head,
.story-head {
  max-width: 840px;
}

h2 {
  margin-bottom: 28px;
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 68px);
  font-weight: 300;
  line-height: 1.28;
}

.hand-title {
  font-family: var(--hand);
  font-weight: 300;
}

.intro {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(320px, 1fr);
  gap: clamp(32px, 7vw, 96px);
  background: var(--paper);
}

.intro-text {
  display: grid;
  gap: 22px;
  color: var(--soft-ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 2.1;
}

.photo-story {
  background: var(--white);
}

.editorial-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(18px, 4vw, 64px);
  align-items: start;
  margin-top: clamp(42px, 6vw, 84px);
}

.photo-card {
  position: relative;
  min-width: 0;
  min-height: 0;
  margin: 0;
  background: transparent;
  opacity: 0;
  transform: translateX(-46vw) rotate(-2deg);
  will-change: transform;
}

.photo-story.in-view .photo-card {
  animation:
    photoEnterLeft 1.05s cubic-bezier(0.19, 1, 0.22, 1) both,
    photoFloat 8s ease-in-out 1.05s infinite;
}

.photo-card.wide {
  grid-column: 1 / 8;
}

.photo-card.tall {
  grid-column: 8 / 13;
  margin-top: clamp(48px, 7vw, 110px);
  transform: translateX(46vw) rotate(2deg);
}

.photo-story.in-view .photo-card.tall {
  animation-name: photoEnterRight, photoFloat;
  animation-delay: 0.14s, 1.19s;
}

.photo-card:nth-child(3) {
  grid-column: 2 / 7;
  margin-top: clamp(4px, 2vw, 26px);
}

.photo-story.in-view .photo-card:nth-child(3) {
  animation-name: photoEnterLeft, photoFloat;
  animation-delay: 0.28s, 1.33s;
}

.photo-card:nth-child(4) {
  grid-column: 7 / 12;
  margin-top: clamp(-46px, -3vw, -18px);
  transform: translateX(46vw) rotate(2deg);
}

.photo-story.in-view .photo-card:nth-child(4) {
  animation-name: photoEnterRight, photoFloat;
  animation-delay: 0.42s, 1.47s;
}

.photo-card img {
  width: 100%;
  height: auto;
  border: 1px solid rgba(16, 16, 16, 0.14);
  box-shadow: 0 22px 60px rgba(16, 16, 16, 0.1);
  transition: transform 0.55s ease, box-shadow 0.55s ease;
}

.photo-card:hover img {
  transform: translateY(-8px);
  box-shadow: 0 30px 80px rgba(16, 16, 16, 0.16);
}

@keyframes photoFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes photoEnterLeft {
  from {
    opacity: 0;
    transform: translateX(-46vw) rotate(-2deg);
  }
  to {
    opacity: 1;
    transform: translateX(0) rotate(0deg);
  }
}

@keyframes photoEnterRight {
  from {
    opacity: 0;
    transform: translateX(46vw) rotate(2deg);
  }
  to {
    opacity: 1;
    transform: translateX(0) rotate(0deg);
  }
}

.theme-band {
  color: var(--white);
  background:
    radial-gradient(circle at 12% 0%, rgba(28, 86, 92, 0.42), transparent 34%),
    linear-gradient(135deg, #133137 0%, #171b1b 46%, #101010 100%);
}

.theme-band .label {
  color: rgba(255, 255, 255, 0.72);
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 44px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.theme-grid article {
  min-height: 280px;
  padding: 30px;
  background: rgba(13, 18, 18, 0.72);
}

.theme-grid span {
  display: block;
  margin-bottom: 14px;
  color: var(--gold);
  font-size: 18px;
}

.theme-grid h3 {
  margin-bottom: 14px;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 300;
}

.theme-grid p {
  color: rgba(255, 255, 255, 0.82);
  font-family: var(--serif);
  line-height: 1.85;
}

.image-band {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr 0.8fr 0.8fr;
  gap: 4px;
  border-top: 4px solid #050505;
  border-bottom: 4px solid #050505;
  background: #050505;
}

.image-band__frame {
  overflow: hidden;
  height: clamp(240px, 34vw, 480px);
}

.image-band__frame img {
  width: 100%;
  height: 130%;
  object-fit: cover;
  will-change: transform;
}

.form-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(320px, 1fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
  background:
    linear-gradient(90deg, rgba(20, 142, 170, 0.1), transparent 34%),
    var(--white);
}

.form-copy {
  align-items: flex-start;
}

.form-copy h2,
.form-copy p {
  width: 100%;
}

.form-copy p {
  color: var(--soft-ink);
  font-family: var(--serif);
  line-height: 1.9;
}

.details {
  background: var(--paper);
}

.detail-list {
  display: grid;
  margin: 0;
  border-top: 1px solid var(--line);
}

.detail-list div {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.detail-list dt {
  font-family: var(--serif);
  font-weight: 600;
}

.detail-list dd {
  margin: 0;
  color: var(--soft-ink);
  line-height: 1.8;
}

.notes {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(20, 142, 170, 0.24), transparent 45%),
    #171717;
}

.notes .label {
  color: rgba(255, 255, 255, 0.66);
}

.note-list {
  display: grid;
  gap: 0;
  max-width: 980px;
  padding: 0;
  margin: 38px 0 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.note-list li {
  position: relative;
  padding: 22px 0 22px 34px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  line-height: 1.85;
}

.note-list li::before {
  content: "";
  position: absolute;
  top: 32px;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--gold);
}

.note-legal {
  max-width: 980px;
  margin-top: 46px;
}

.note-legal h3 {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
}

.note-legal dl {
  display: grid;
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.note-legal dl > div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.note-legal dt {
  font-family: var(--serif);
  font-weight: 600;
}

.note-legal dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.85;
}

.sns-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: center;
  background: var(--white);
}

.sns-copy p {
  color: var(--soft-ink);
  font-family: var(--serif);
  line-height: 1.9;
}

.hashtag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hashtag-list span {
  padding: 14px 18px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-family: var(--serif);
  font-size: clamp(22px, 3vw, 38px);
}

.faq {
  background: var(--paper);
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  background: var(--white);
}

summary {
  padding: 22px 24px;
  font-family: var(--serif);
  font-weight: 600;
  cursor: pointer;
}

details p {
  padding: 0 24px 22px;
  color: var(--soft-ink);
  line-height: 1.8;
}

.poster-section {
  display: grid;
  grid-template-columns: minmax(260px, 420px) minmax(320px, 1fr);
  gap: clamp(34px, 7vw, 100px);
  align-items: center;
  background:
    linear-gradient(180deg, transparent, rgba(214, 165, 31, 0.1)),
    var(--white);
}

.poster-section img {
  height: auto;
  box-shadow: 0 24px 80px var(--shadow);
}

.poster-section p {
  color: var(--soft-ink);
  font-family: var(--serif);
  line-height: 1.9;
}

.site-footer {
  display: grid;
  gap: 10px;
  padding: 34px clamp(22px, 6vw, 86px);
  color: rgba(255, 255, 255, 0.82);
  background: var(--ink);
  font-size: 13px;
  line-height: 1.7;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  margin-right: 18px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.mobile-sticky-entry {
  display: none;
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .hero-copy {
    padding-top: 104px;
  }

  .quick-info,
  .intro,
  .form-section,
  .sns-section,
  .poster-section {
    grid-template-columns: 1fr;
  }

  .quick-info div {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .editorial-grid {
    grid-template-columns: 1fr 1fr;
  }

  .photo-card.wide,
  .photo-card.tall,
  .photo-card:nth-child(3),
  .photo-card:nth-child(4) {
    grid-column: auto;
    margin-top: 0;
  }

  .theme-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .image-band {
    grid-template-columns: 1fr;
  }

  .detail-list div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .note-legal dl > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .hero {
    min-height: auto;
    display: flex;
    flex-direction: column;
    background: var(--paper);
  }

  .hero::before {
    display: none;
  }

  .hero-image {
    position: static;
    width: 100%;
    height: auto;
    object-fit: contain;
  }

  .hero-copy {
    position: static;
    inset: auto;
    width: auto;
    padding: clamp(20px, 5vw, 40px) clamp(18px, 5vw, 40px) 4px;
  }

  .lead {
    text-shadow: none;
  }
}

@media (max-width: 560px) {
  body {
    padding-bottom: calc(74px + env(safe-area-inset-bottom));
  }

  .site-header {
    padding: 14px 16px;
  }

  .brand {
    font-size: 16px;
  }

  .hero {
    min-height: 860px;
  }

  .hero-image {
    object-position: 54% center;
  }

  .hero-copy {
    left: 18px;
    right: 18px;
    bottom: 142px;
    display: flex;
    width: auto;
    padding-left: 0;
    flex-direction: column;
    align-items: stretch;
  }

  h1 {
    font-size: 50px;
  }

  .lead {
    order: 2;
    max-width: none;
    margin: 14px 4px 0;
    padding: 0;
    color: #111;
    background: transparent;
    border: 0;
    font-size: 16px;
    line-height: 1.9;
    text-shadow:
      0 1px 0 rgba(255, 255, 255, 0.8),
      0 0 16px rgba(255, 255, 255, 0.9),
      0 0 28px rgba(255, 255, 255, 0.78);
    backdrop-filter: none;
  }

  .hero-actions {
    order: 1;
    display: flex;
    max-width: none;
    gap: 10px;
  }

  .button,
  button {
    width: auto;
    min-width: 0;
    min-height: 48px;
    padding: 0 20px;
    font-size: 16px;
    white-space: nowrap;
  }

  .hero-actions .button {
    flex: 1 1 0;
  }

  .section,
  .theme-band,
  .photo-story,
  .poster-section {
    padding: 64px 18px;
  }

  .editorial-grid,
  .theme-grid {
    grid-template-columns: 1fr;
  }

  .theme-grid article {
    min-height: auto;
  }

  .hashtag-list span {
    width: 100%;
    font-size: 22px;
  }

  .mobile-sticky-entry {
    position: fixed;
    z-index: 40;
    right: 14px;
    bottom: calc(12px + env(safe-area-inset-bottom));
    left: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    color: var(--white);
    background: rgba(16, 16, 16, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.24);
    box-shadow: 0 16px 42px rgba(16, 16, 16, 0.28);
    font-family: var(--serif);
    font-size: 15px;
    backdrop-filter: blur(14px);
    animation: ctaGlow 3s ease-in-out infinite;
  }

  h2 {
    margin-bottom: 20px;
    font-size: 27px;
    line-height: 1.34;
  }

  .quick-info strong {
    font-size: 22px;
  }

  .quick-info div {
    min-height: auto;
    padding: 22px 18px;
  }

  .intro-text {
    font-size: 16px;
    line-height: 1.95;
  }

  .theme-grid h3 {
    font-size: 24px;
  }

  .detail-list dt {
    font-size: 15px;
  }

  .hero-copy {
    padding-top: 22px;
  }

  .lead {
    margin: 0 0 4px;
  }
}

/* フッター固定の応募ボタン：3秒ごとにふわっと光彩が灯る */
@keyframes ctaGlow {
  0%,
  100% {
    box-shadow: 0 16px 42px rgba(16, 16, 16, 0.28), 0 0 0 rgba(214, 165, 31, 0);
  }
  50% {
    box-shadow: 0 16px 42px rgba(16, 16, 16, 0.28), 0 0 28px 10px rgba(214, 165, 31, 0.55);
  }
}

/* =========================================================
   UI/UX refinements (ENW) — レスポンシブ・可読性・パフォーマンス調整
   ========================================================= */

/* 横スクロール防止（ギャラリーのスライドインで横あふれを防ぐ） */
html,
body {
  overflow-x: hidden;
}

/* 固定ヘッダー分のアンカー着地位置を補正 */
#top,
#gallery,
#guidelines,
#form,
#notes {
  scroll-margin-top: 88px;
}

/* 応募セクション：入力欄を廃しGoogleフォーム導線に。補足カード */
.form-note {
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--line);
  background: rgba(246, 243, 238, 0.72);
}

.form-note h3 {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
}

.form-note ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 1.15em;
  color: var(--soft-ink);
  line-height: 1.8;
}

.form-note a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-copy .button.primary {
  margin-top: 6px;
}

/* ポスターセクションのQRコード */
.poster-qr {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 28px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.poster-qr img {
  width: 140px;
  height: 140px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: #fff;
  padding: 8px;
}

.poster-qr__caption {
  margin: 0;
  color: var(--soft-ink);
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.7;
}

.poster-qr__caption span {
  font-family: var(--number);
  font-size: 13px;
  color: var(--muted);
  word-break: break-all;
}

/* デスクトップ：ヒーローのコピーが画像に重なっても読めるよう、
   ページ背景色の半透明パネル＋ぼかしを敷く（重なり時の可読性を担保） */
@media (min-width: 901px) {
  .hero-copy {
    bottom: clamp(56px, 6vw, 112px);
    padding: clamp(24px, 2.2vw, 36px) clamp(26px, 2.4vw, 40px);
    background: rgba(246, 243, 238, 0.74);
    -webkit-backdrop-filter: blur(16px) saturate(1.05);
    backdrop-filter: blur(16px) saturate(1.05);
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 6px;
    box-shadow: 0 24px 64px rgba(16, 16, 16, 0.14);
  }
  .hero .lead {
    text-shadow: none;
  }
}

/* Photo Story: 1枚にホバーすると拡大して目立たせ、他はぼかしてフォーカスを外す
   （タッチ端末では :hover が擬似的に残ってしまうため、マウス操作時のみ有効化） */
@media (hover: hover) and (pointer: fine) {
  .photo-card {
    transition: z-index 0s;
  }

  .photo-card img {
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.5s ease, filter 0.45s ease, opacity 0.45s ease;
  }

  .editorial-grid:has(.photo-card:hover) .photo-card:not(:hover) img {
    filter: blur(7px) saturate(0.8);
    opacity: 0.55;
    transform: scale(0.97);
  }

  .photo-card:hover {
    z-index: 5;
  }

  .photo-card:hover img {
    transform: scale(1.3);
    box-shadow: 0 30px 90px rgba(16, 16, 16, 0.24);
  }
}

/* =========================================================
   スクロールで自然と目線を拾うリビール演出（ふわっと現れる）
   ========================================================= */
.js-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}

.js-reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.js-reveal-group > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

.js-reveal-group.is-revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* 各グループの子要素は最大6件を想定（7件以上追加する場合はdelayルールも追加すること） */
.js-reveal-group.is-revealed > *:nth-child(1) { transition-delay: 0.02s; }
.js-reveal-group.is-revealed > *:nth-child(2) { transition-delay: 0.10s; }
.js-reveal-group.is-revealed > *:nth-child(3) { transition-delay: 0.18s; }
.js-reveal-group.is-revealed > *:nth-child(4) { transition-delay: 0.26s; }
.js-reveal-group.is-revealed > *:nth-child(5) { transition-delay: 0.34s; }
.js-reveal-group.is-revealed > *:nth-child(6) { transition-delay: 0.42s; }
.js-reveal-group.is-revealed > *:nth-child(7) { transition-delay: 0.50s; }

/* =========================================================
   パララックス（ヒーロー画像・写真帯）
   ========================================================= */
.hero-image.js-parallax-hero {
  will-change: transform;
}


/* SNS応募（フォームと並ぶもう一つの応募方法）を目立たせる 2026-08-23 */
.sns-entry {
  width: 100%;
  margin-top: clamp(24px, 3vw, 36px);
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--ink);
  background: var(--white);
}
.sns-entry h3 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 600;
}
.sns-entry > p {
  margin: 0;
  color: var(--soft-ink);
  font-family: var(--serif);
  line-height: 1.9;
}
.sns-entry .sns-entry__tag {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.4;
  text-align: center;
  word-break: keep-all;
}