:root {
  --color-blue: #0A3D91;
  --color-blue-dark: #051742;
  --color-blue-deep: #062766;
  --color-gold: #D4AF37;
  --color-gold-light: #FFE8A3;
  --color-red: #D32F2F;
  --color-white: #FFFFFF;
  --color-ink: #14213D;
  --color-muted: #5F6C84;
  --shadow-card: 0 18px 34px rgba(2, 11, 38, 0.24);
  --shadow-gold: 0 0 0 1px rgba(212, 175, 55, 0.55), 0 18px 38px rgba(158, 112, 16, 0.24);
  --radius-card: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--color-ink);
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.7;
  background-color: var(--color-blue-dark);
  background-image:
    linear-gradient(180deg, rgba(3, 14, 45, 0.22), rgba(1, 8, 31, 0.82)),
    url("../image/fireworks-bg.png");
  background-position: center top;
  background-size: cover;
  background-attachment: fixed;
}

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

.campaign-page {
  overflow: hidden;
}

.page-container {
  width: min(100% - 48px, 1200px);
  margin: 0 auto;
}

/* ファーストビュー */
.campaign-hero {
  position: relative;
  min-height: 720px;
  padding: 74px 0 86px;
  color: var(--color-white);
  isolation: isolate;
}

.campaign-hero::before,
.campaign-hero::after {
  position: absolute;
  content: "";
  pointer-events: none;
  z-index: -1;
}

.campaign-hero::before {
  inset: 0;
  background:
    radial-gradient(circle at 18% 22%, rgba(255, 236, 154, 0.62) 0 2px, transparent 3px),
    radial-gradient(circle at 72% 12%, rgba(255, 255, 255, 0.92) 0 2px, transparent 3px),
    radial-gradient(circle at 84% 46%, rgba(255, 214, 96, 0.72) 0 2px, transparent 4px),
    radial-gradient(circle at 29% 70%, rgba(255, 255, 255, 0.8) 0 1px, transparent 3px);
}

.campaign-hero::after {
  left: 50%;
  bottom: 0;
  width: 1180px;
  height: 230px;
  transform: translateX(-50%);
  background:
    linear-gradient(112deg, transparent 0 18%, rgba(255, 226, 131, 0.35) 20%, transparent 31%),
    linear-gradient(104deg, transparent 0 28%, rgba(255, 255, 255, 0.24) 30%, transparent 42%);
  opacity: 0.9;
}

.campaign-hero__inner {
  position: relative;
  padding: 62px 42px 56px;
  text-align: center;
  border: 2px solid rgba(255, 232, 163, 0.74);
  border-radius: 30px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.17), rgba(255, 255, 255, 0.04)),
    linear-gradient(180deg, rgba(7, 37, 105, 0.86), rgba(4, 18, 60, 0.9));
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.campaign-hero__inner::before {
  position: absolute;
  inset: 14px;
  content: "";
  border: 1px solid rgba(255, 232, 163, 0.34);
  border-radius: 22px;
  pointer-events: none;
}

.limited-badge {
  position: absolute;
  top: -36px;
  left: 42px;
  display: grid;
  width: 120px;
  height: 120px;
  place-items: center;
  margin: 0;
  color: var(--color-white);
  font-size: 1.28rem;
  font-weight: 900;
  line-height: 1.25;
  text-align: center;
  background:
    radial-gradient(circle at 35% 28%, rgba(255, 255, 255, 0.2), transparent 34%),
    linear-gradient(145deg, #E34A42, #A70B14 62%, #760812);
  border: 7px solid var(--color-gold);
  border-radius: 50%;
  box-shadow: 0 12px 28px rgba(94, 3, 13, 0.34), 0 0 0 5px rgba(255, 232, 163, 0.24);
}

.campaign-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  color: var(--color-gold-light);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.campaign-hero__eyebrow::before,
.campaign-hero__eyebrow::after {
  display: block;
  width: 44px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--color-gold));
}

.campaign-hero__eyebrow::after {
  background: linear-gradient(90deg, var(--color-gold), transparent);
}

.campaign-hero__title {
  display: grid;
  gap: 4px;
  margin: 0;
  color: var(--color-white);
  font-size: 4.9rem;
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: 0;
  text-shadow:
    0 5px 0 #032261,
    0 0 10px rgba(255, 232, 163, 0.74),
    0 18px 34px rgba(0, 0, 0, 0.45);
}

.campaign-hero__title span:first-child {
  color: var(--color-gold-light);
  font-size: 3.8rem;
}

.campaign-hero__lead {
  display: inline-block;
  margin: 26px 0 26px;
  padding: 9px 26px 10px;
  color: var(--color-white);
  font-size: 1.2rem;
  font-weight: 900;
  background: linear-gradient(180deg, #E2423D, #A80D15);
  border: 1px solid rgba(255, 232, 163, 0.65);
  border-radius: 999px;
  box-shadow: 0 12px 24px rgba(118, 8, 18, 0.28);
}

.campaign-period {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr;
  align-items: center;
  max-width: 680px;
  margin: 0 auto 32px;
  overflow: hidden;
  color: var(--color-ink);
  border: 2px solid rgba(212, 175, 55, 0.8);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, #FFFFFF, #FFF6D8);
  box-shadow: var(--shadow-gold);
}

.campaign-period__label {
  align-self: stretch;
  display: grid;
  place-items: center;
  padding: 18px 20px;
  color: var(--color-white);
  font-weight: 900;
  background: linear-gradient(180deg, var(--color-blue), #062763);
}

.campaign-period__date {
  padding: 18px 18px;
  color: var(--color-red);
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1.35;
}

.campaign-period__separator {
  color: var(--color-gold);
  font-size: 1.6rem;
  font-weight: 900;
}

.primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 0 38px;
  color: var(--color-blue-dark);
  font-size: 1.1rem;
  font-weight: 900;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 999px;
  background: linear-gradient(180deg, #FFF8D7, var(--color-gold) 66%, #B7891E);
  box-shadow: 0 14px 0 #7F5B11, 0 22px 34px rgba(0, 0, 0, 0.32);
  transition: transform 0.22s ease, box-shadow 0.22s ease, filter 0.22s ease;
}

.primary-cta:hover {
  transform: translateY(-3px);
  filter: brightness(1.04);
  box-shadow: 0 17px 0 #7F5B11, 0 28px 42px rgba(0, 0, 0, 0.36);
}

/* セクション共通 */
.offer-section,
.avatar-section,
.ikupon-section,
.flow-section,
.details-section,
.notice-section {
  position: relative;
  padding: 88px 0;
}

.offer-section,
.avatar-section,
.flow-section,
.details-section {
  background: rgba(255, 255, 255, 0.94);
}

.ikupon-section,
.notice-section {
  background:
    linear-gradient(180deg, rgba(4, 25, 77, 0.92), rgba(2, 12, 43, 0.94)),
    radial-gradient(circle at 22% 18%, rgba(212, 175, 55, 0.18), transparent 30%);
}

.section-heading {
  margin-bottom: 30px;
}

.section-heading--center {
  text-align: center;
}

.section-heading--compact {
  margin-bottom: 20px;
}

.section-heading__label {
  margin: 0 0 8px;
  color: var(--color-gold);
  font-size: 0.92rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-heading__title {
  margin: 0;
  color: var(--color-blue-dark);
  font-size: 2.45rem;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0;
}

.ikupon-section .section-heading__title,
.ikupon-section .section-heading__text,
.notice-section .section-heading__title {
  color: var(--color-white);
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
  align-items: stretch;
}

.offer-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 2px solid rgba(212, 175, 55, 0.68);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, #FFFFFF 0%, #F7FAFF 100%);
  box-shadow: var(--shadow-card);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.offer-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 46px rgba(2, 11, 38, 0.3);
}

.offer-card--featured {
  border-color: rgba(255, 232, 163, 0.96);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 248, 223, 0.98)),
    radial-gradient(circle at 84% 14%, rgba(212, 175, 55, 0.24), transparent 28%);
  box-shadow: var(--shadow-gold);
}

.offer-card__ribbon {
  position: absolute;
  top: 20px;
  right: -44px;
  z-index: 1;
  width: 164px;
  margin: 0;
  padding: 6px 0;
  color: var(--color-white);
  font-size: 0.86rem;
  font-weight: 900;
  text-align: center;
  background: linear-gradient(180deg, #E5423B, #A80D15);
  transform: rotate(35deg);
  box-shadow: 0 8px 16px rgba(92, 6, 12, 0.22);
}

.offer-card__head {
  padding: 26px 30px 28px;
  color: var(--color-white);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.16), transparent 38%),
    linear-gradient(180deg, #1052B6, var(--color-blue) 58%, #062A6B);
}

.offer-card--featured .offer-card__head {
  background:
    linear-gradient(135deg, rgba(255, 244, 192, 0.34), transparent 38%),
    linear-gradient(180deg, #114EA5, #082F7E 58%, #051A51);
}

.offer-card__sub {
  display: inline-block;
  margin: 0 0 10px;
  padding: 4px 12px;
  color: var(--color-blue-dark);
  font-size: 0.92rem;
  font-weight: 900;
  background: linear-gradient(180deg, #FFF9DF, var(--color-gold-light));
  border-radius: 999px;
}

.offer-card__title {
  margin: 0;
  font-size: 2.55rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0;
}

.offer-card__body {
  flex: 1;
  padding: 30px;
}

.offer-card__caption {
  margin: 0 0 16px;
  color: var(--color-red);
  font-size: 1.05rem;
  font-weight: 900;
}

.benefit-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.benefit-list__item {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px;
  border: 1px solid rgba(10, 61, 145, 0.12);
  border-radius: 16px;
  background: #FFFFFF;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85), 0 10px 22px rgba(10, 61, 145, 0.08);
}

.benefit-list__item--gold {
  border-color: rgba(212, 175, 55, 0.58);
  background: linear-gradient(180deg, #FFFFFF, #FFF7D9);
}

.benefit-list__icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  color: var(--color-white);
  font-weight: 900;
  border-radius: 50%;
  background: linear-gradient(180deg, #1158C5, var(--color-blue));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 8px 16px rgba(10, 61, 145, 0.25);
}

.benefit-list__item--gold .benefit-list__icon {
  color: var(--color-blue-dark);
  background: linear-gradient(180deg, var(--color-gold-light), var(--color-gold));
}

.benefit-list strong {
  display: block;
  color: var(--color-blue-dark);
  font-size: 1.2rem;
  line-height: 1.45;
}

.benefit-list small {
  display: block;
  margin-top: 2px;
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 700;
}

/* IKUPON倍率 */
.ikupon-panel {
  position: relative;
  padding: 42px;
  overflow: hidden;
  border: 2px solid rgba(255, 232, 163, 0.7);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05)),
    linear-gradient(145deg, rgba(9, 48, 126, 0.94), rgba(3, 17, 57, 0.96));
  box-shadow: 0 28px 62px rgba(0, 0, 0, 0.35);
}

.ikupon-panel::before {
  position: absolute;
  inset: 18px;
  content: "";
  border: 1px solid rgba(255, 232, 163, 0.28);
  border-radius: 20px;
  pointer-events: none;
}

.rank-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  position: relative;
  z-index: 1;
}

.rank-card {
  display: grid;
  gap: 8px;
  min-height: 154px;
  padding: 22px 16px 20px;
  place-items: center;
  text-align: center;
  border: 2px solid rgba(255, 255, 255, 0.82);
  border-radius: 18px;
  background: linear-gradient(180deg, #FFFFFF, #EEF4FF);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.18);
}

.rank-card__name {
  color: var(--color-blue-dark);
  font-size: 1.05rem;
  font-weight: 900;
}

.rank-card__rate {
  color: var(--color-blue);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
}

.rank-card--beginner {
  border-color: #4FB06D;
}

.rank-card--bronze {
  border-color: #B8793D;
}

.rank-card--silver {
  border-color: #B8C1D1;
}

.rank-card--gold {
  border-color: var(--color-gold-light);
  background:
    linear-gradient(180deg, #FFFDF2 0%, #FFE9A8 58%, #D7AA2E 100%);
  box-shadow: 0 0 0 4px rgba(255, 232, 163, 0.22), 0 18px 38px rgba(212, 175, 55, 0.32);
}

.rank-card--gold .rank-card__name,
.rank-card--gold .rank-card__rate {
  color: #7C5206;
}

.ticket-note {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  position: relative;
  z-index: 1;
  margin-top: 24px;
}

.ticket-note p {
  margin: 0;
  padding: 16px 18px;
  color: var(--color-white);
  font-weight: 800;
  border: 1px solid rgba(255, 232, 163, 0.45);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.09);
}

.ticket-note strong {
  margin-right: 12px;
  color: var(--color-gold-light);
}

/* 利用方法 */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: flow;
}

.flow-step {
  position: relative;
  display: grid;
  min-height: 174px;
  padding: 26px 20px;
  place-items: center;
  text-align: center;
  border: 2px solid rgba(212, 175, 55, 0.55);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, #FFFFFF, #F6F9FF);
  box-shadow: var(--shadow-card);
}

.flow-step:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -28px;
  width: 34px;
  height: 34px;
  content: "";
  border-top: 4px solid var(--color-gold);
  border-right: 4px solid var(--color-gold);
  transform: translateY(-50%) rotate(45deg);
}

.flow-step__icon {
  display: grid;
  width: 60px;
  height: 60px;
  place-items: center;
  color: var(--color-white);
  font-weight: 900;
  border-radius: 50%;
  background: linear-gradient(180deg, #1259C8, var(--color-blue));
  box-shadow: 0 10px 22px rgba(10, 61, 145, 0.28);
}

.flow-step__title {
  display: block;
  color: var(--color-blue-dark);
  font-size: 1.18rem;
  line-height: 1.4;
}

.flow-step__note {
  display: block;
  margin-top: -8px;
  color: var(--color-red);
  font-size: 0.86rem;
  font-weight: 900;
}

/* 注意事項 */
.notice-panel {
  padding: 38px 42px;
  border: 2px solid rgba(255, 232, 163, 0.68);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.06));
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.28);
}

.notice-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  color: var(--color-white);
  list-style: none;
}

.notice-list li {
  position: relative;
  padding-left: 22px;
}

.notice-list li::before {
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 8px;
  height: 8px;
  content: "";
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 12px rgba(255, 232, 163, 0.74);
}

@media (max-width: 980px) {
  .campaign-hero {
    min-height: auto;
    padding: 48px 0 64px;
  }

  .campaign-hero__inner {
    padding: 70px 28px 42px;
  }

  .limited-badge {
    top: -28px;
    left: 50%;
    width: 104px;
    height: 104px;
    font-size: 1.08rem;
    transform: translateX(-50%);
  }

  .campaign-hero__title {
    font-size: 3.4rem;
  }

  .campaign-hero__title span:first-child {
    font-size: 2.7rem;
  }

  .campaign-period {
    grid-template-columns: 1fr;
  }

  .campaign-period__separator {
    margin-top: -8px;
    line-height: 1;
  }

  .offer-grid,
  .avatar-section__layout,
  .rank-grid,
  .flow-steps,
  .ticket-note,
  .details-grid {
    grid-template-columns: 1fr;
  }

  .flow-step:not(:last-child)::after {
    top: auto;
    right: auto;
    bottom: -31px;
    left: 50%;
    transform: translateX(-50%) rotate(135deg);
  }
}

@media (max-width: 640px) {
  body {
    background-attachment: scroll;
  }

  .page-container {
    width: min(100% - 28px, 1200px);
  }

  .campaign-hero {
    padding: 36px 0 50px;
  }

  .campaign-hero__inner {
    padding: 66px 18px 34px;
    border-radius: 24px;
  }

  .campaign-hero__title {
    font-size: 2.32rem;
  }

  .campaign-hero__title span:first-child {
    font-size: 2rem;
  }

  .campaign-hero__lead {
    padding-inline: 18px;
    font-size: 1rem;
  }

  .campaign-period__date {
    padding: 12px 14px;
    font-size: 1.12rem;
  }

  .primary-cta {
    width: 100%;
    min-height: 56px;
    padding-inline: 18px;
  }

  .offer-section,
  .avatar-section,
  .ikupon-section,
  .flow-section,
  .details-section,
  .notice-section {
    padding: 58px 0;
  }

  .section-heading__title {
    font-size: 1.82rem;
  }

  .offer-card__head,
  .offer-card__body {
    padding: 22px 18px;
  }

  .offer-card__title {
    font-size: 2rem;
  }

  .benefit-list__item {
    grid-template-columns: 46px 1fr;
    gap: 12px;
    padding: 14px;
  }

  .benefit-list__icon {
    width: 46px;
    height: 46px;
  }

  .benefit-list strong {
    font-size: 1.03rem;
  }

  .ikupon-panel,
  .notice-panel {
    padding: 28px 18px;
    border-radius: 22px;
  }

  .rank-card {
    min-height: 124px;
  }

  .rank-card__rate {
    font-size: 2.45rem;
  }

  .flow-step {
    min-height: 146px;
  }
}

/* アバター一覧 近日公開 */
.avatar-section__layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 42px;
  align-items: center;
}

.avatar-section__lead {
  margin: 18px 0 22px;
  color: var(--color-muted);
  font-weight: 700;
}

.coming-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  margin: 0;
  padding: 0 22px;
  color: var(--color-white);
  font-weight: 900;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--color-red), #9F1118);
  box-shadow: 0 12px 22px rgba(159, 17, 24, 0.22);
}

.avatar-preview-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.avatar-preview-card {
  display: grid;
  min-height: 184px;
  place-items: center;
  padding: 18px 12px;
  border: 2px solid rgba(212, 175, 55, 0.48);
  border-radius: var(--radius-card);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(248, 250, 255, 0.96)),
    radial-gradient(circle at 50% 10%, rgba(212, 175, 55, 0.22), transparent 45%);
  box-shadow: 0 12px 24px rgba(10, 61, 145, 0.12);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.avatar-preview-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 30px rgba(10, 61, 145, 0.18);
}

.avatar-preview-card span {
  position: relative;
  display: block;
  width: 72px;
  height: 100px;
  border-radius: 999px 999px 18px 18px;
  background: linear-gradient(180deg, #123E91, #061A50);
}

.avatar-preview-card span::before {
  position: absolute;
  top: -30px;
  left: 50%;
  width: 48px;
  height: 48px;
  content: "";
  border-radius: 50%;
  background: inherit;
  transform: translateX(-50%);
}

.avatar-preview-card span::after {
  position: absolute;
  top: -48px;
  left: 50%;
  width: 44px;
  height: 28px;
  content: "";
  background: linear-gradient(180deg, #FFF2B8, var(--color-gold));
  clip-path: polygon(0 100%, 16% 30%, 36% 72%, 50% 0, 64% 72%, 84% 30%, 100% 100%);
  transform: translateX(-50%);
}

.avatar-preview-card strong {
  color: var(--color-blue-dark);
  font-size: 0.9rem;
}

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

/* 詳細情報 */
.details-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.detail-card {
  min-height: 220px;
  padding: 24px 20px;
  border: 2px solid rgba(212, 175, 55, 0.5);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, #FFFFFF, #F7FAFF);
  box-shadow: var(--shadow-card);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.detail-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 40px rgba(2, 11, 38, 0.24);
}

.detail-card__icon {
  display: block;
  width: 64px;
  height: 64px;
  margin-bottom: 18px;
  border-radius: 18px;
  background:
    radial-gradient(circle at 32% 30%, rgba(255, 255, 255, 0.9), transparent 18%),
    linear-gradient(145deg, var(--color-gold-light), var(--color-gold));
  box-shadow: 0 12px 20px rgba(158, 112, 16, 0.22);
}

.detail-card--coming .detail-card__icon {
  background:
    radial-gradient(circle at 50% 36%, #FFFFFF 0 15px, transparent 16px),
    linear-gradient(180deg, #124FAE, var(--color-blue));
}

.detail-card__title {
  margin: 0 0 8px;
  color: var(--color-blue-dark);
  font-size: 1.25rem;
  font-weight: 900;
}

.detail-card__text {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
  font-weight: 700;
}

@media (max-width: 980px) {
  .avatar-preview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 640px) {
  .avatar-preview-grid {
    grid-template-columns: 1fr;
  }

  .avatar-preview-card,
  .avatar-preview-card--wide {
    grid-column: auto;
  }

  .detail-card {
    min-height: auto;
  }
}


/* セットカード上部ビジュアル */
.offer-card__visual {
  position: relative;
  min-height: 170px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(10, 61, 145, 0.04), rgba(10, 61, 145, 0.18)),
    url("../image/fireworks-bg.png") center 30% / cover;
}

.offer-card__visual::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.82) 100%);
}

.avatar-silhouette {
  position: absolute;
  bottom: 18px;
  z-index: 1;
  width: 78px;
  height: 106px;
  border-radius: 999px 999px 18px 18px;
  background: linear-gradient(180deg, #0E3D92, #061B53);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
}

.avatar-silhouette::before {
  position: absolute;
  top: -30px;
  left: 50%;
  width: 46px;
  height: 46px;
  content: "";
  border-radius: 50%;
  background: inherit;
  transform: translateX(-50%);
}

.avatar-silhouette--one { left: 28%; transform: translateX(-50%) scale(0.88); }
.avatar-silhouette--two { left: 50%; transform: translateX(-50%); }
.avatar-silhouette--three { left: 72%; transform: translateX(-50%) scale(0.88); }

.gold-medal,
.gold-ticket,
.gold-coin {
  position: absolute;
  z-index: 1;
  display: block;
}

.gold-medal {
  top: 34px;
  left: 52px;
  width: 112px;
  height: 112px;
  border: 8px solid #FFF4C2;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FFF8D7, #D4AF37 58%, #9E7217);
  box-shadow: 0 16px 30px rgba(82, 50, 0, 0.28);
}

.gold-ticket {
  right: 42px;
  bottom: 28px;
  width: 168px;
  height: 80px;
  border: 3px solid #FFE8A3;
  border-radius: 16px;
  background: linear-gradient(180deg, #104FAE, #082865);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.24);
  transform: rotate(-6deg);
}

.gold-ticket::after {
  position: absolute;
  inset: 14px;
  content: "";
  border: 1px solid rgba(255, 232, 163, 0.6);
  border-radius: 10px;
}

.gold-coin {
  width: 52px;
  height: 52px;
  border: 4px solid #FFF2B8;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FFF7C5, #D4AF37 58%, #9C7014);
}

.gold-coin--one { right: 28px; top: 32px; }
.gold-coin--two { right: 86px; top: 52px; transform: scale(0.82); }

@media (max-width: 640px) {
  .offer-card__visual { min-height: 146px; }
  .gold-medal { left: 28px; transform: scale(0.82); transform-origin: left top; }
  .gold-ticket { right: 20px; width: 138px; }
}

/* 2026-07追加調整: 視認性・スマホ配置・ランク配色 */
:root {
  --rank-beginner-1: #80A0FF;
  --rank-beginner-2: #5060C0;
  --rank-bronze-1: #FFC020;
  --rank-bronze-2: #D08010;
  --rank-silver-1: #F0F0F0;
  --rank-silver-2: #A0A0A0;
  --rank-gold-1: #FFE090;
  --rank-gold-2: #C09040;
}

body {
  font-size: 17px;
}

.section-heading__title {
  font-size: clamp(2rem, 4vw, 2.7rem);
}

.section-heading__text,
.avatar-section__lead,
.detail-card__text,
.notice-list,
.benefit-list small {
  font-size: 1.02rem;
}

.benefit-list strong,
.flow-step__title,
.detail-card__title {
  font-size: 1.24rem;
}

/* DPS MEMBERSの前回配色に寄せたランクカード */
.rank-card {
  position: relative;
  overflow: hidden;
  border-width: 3px;
  color: #102033;
}

.rank-card::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.38;
  background:
    linear-gradient(115deg, transparent 0 24%, rgba(255,255,255,0.8) 31%, transparent 38%),
    radial-gradient(circle at 24% 18%, rgba(255,255,255,0.85), transparent 22%);
  pointer-events: none;
}

.rank-card__name,
.rank-card__rate {
  position: relative;
  z-index: 1;
}

.rank-card--beginner {
  border-color: #7090FF;
  background: linear-gradient(180deg, #F7FAFF 0%, var(--rank-beginner-1) 44%, var(--rank-beginner-2) 100%);
}

.rank-card--beginner .rank-card__name,
.rank-card--beginner .rank-card__rate {
  color: #102040;
  text-shadow: 0 1px 0 rgba(255,255,255,0.72);
}

.rank-card--bronze {
  border-color: #FFD020;
  background: linear-gradient(180deg, #FFF1A8 0%, var(--rank-bronze-1) 45%, var(--rank-bronze-2) 100%);
}

.rank-card--bronze .rank-card__name,
.rank-card--bronze .rank-card__rate {
  color: #402000;
  text-shadow: 0 1px 0 rgba(255,255,255,0.55);
}

.rank-card--silver {
  border-color: #F0F0F0;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--rank-silver-1) 36%, var(--rank-silver-2) 100%);
}

.rank-card--silver .rank-card__name,
.rank-card--silver .rank-card__rate {
  color: #202020;
  text-shadow: 0 1px 0 rgba(255,255,255,0.75);
}

.rank-card--gold {
  border-color: #FFE090;
  background: linear-gradient(180deg, #FFF8D0 0%, var(--rank-gold-1) 34%, var(--rank-gold-2) 100%);
  box-shadow: 0 0 0 4px rgba(255, 224, 144, 0.24), 0 18px 38px rgba(192, 144, 64, 0.34);
}

.rank-card--gold .rank-card__name,
.rank-card--gold .rank-card__rate {
  color: #402000;
  text-shadow: 0 1px 0 rgba(255,255,255,0.58);
}

.rank-card__name {
  font-size: 1.16rem;
}

.rank-card__rate {
  font-size: clamp(3rem, 5vw, 3.7rem);
}

/* 利用方法: 数字ではなく簡易イラスト */
.flow-step__icon {
  position: relative;
  color: transparent;
}

.flow-step__icon::before,
.flow-step__icon::after {
  position: absolute;
  content: "";
}

.flow-step__icon--buy::before {
  width: 31px;
  height: 23px;
  border: 4px solid #FFFFFF;
  border-top: 0;
  border-radius: 0 0 8px 8px;
}

.flow-step__icon--buy::after {
  top: 17px;
  width: 29px;
  height: 15px;
  border: 4px solid #FFFFFF;
  border-bottom: 0;
  border-radius: 999px 999px 0 0;
}

.flow-step__icon--avatar::before {
  top: 14px;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  background: #FFFFFF;
}

.flow-step__icon--avatar::after {
  bottom: 12px;
  width: 36px;
  height: 19px;
  border-radius: 999px 999px 8px 8px;
  background: #FFFFFF;
}

.flow-step__icon--gift::before {
  width: 35px;
  height: 31px;
  border-radius: 7px;
  background: #FFFFFF;
}

.flow-step__icon--gift::after {
  width: 5px;
  height: 35px;
  background: var(--color-gold);
  box-shadow: 0 -8px 0 10px transparent;
}

.flow-step__icon--calendar::before {
  width: 36px;
  height: 34px;
  border: 4px solid #FFFFFF;
  border-radius: 8px;
}

.flow-step__icon--calendar::after {
  top: 22px;
  width: 30px;
  height: 4px;
  background: #FFFFFF;
}

/* 控えめなアニメーション */
.limited-badge,
.primary-cta,
.gold-medal,
.gold-coin,
.avatar-preview-card span {
  animation: gentleFloat 4.8s ease-in-out infinite;
}

.gold-coin--two,
.avatar-preview-card:nth-child(even) span {
  animation-delay: 0.9s;
}

.rank-card--gold::before,
.offer-card--featured::before {
  animation: softShine 5.5s ease-in-out infinite;
}

@keyframes gentleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes softShine {
  0%, 100% { opacity: 0.24; }
  50% { opacity: 0.52; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 980px) {
  .rank-grid,
  .details-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .avatar-section__layout {
    grid-template-columns: 1fr;
  }

  .avatar-preview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .avatar-preview-card,
  .avatar-preview-card--wide {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 17px;
  }

  .page-container {
    width: min(100% - 24px, 1200px);
  }

  .campaign-hero__title {
    font-size: 2.55rem;
  }

  .campaign-hero__title span:first-child {
    font-size: 2.15rem;
  }

  .campaign-hero__lead,
  .campaign-period__date,
  .primary-cta {
    font-size: 1.12rem;
  }

  .section-heading__title {
    font-size: 2rem;
  }

  .rank-grid,
  .details-grid,
  .avatar-preview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .rank-card {
    min-height: 136px;
    padding: 18px 10px;
  }

  .rank-card__rate {
    font-size: 2.8rem;
  }

  .detail-card {
    padding: 18px 14px;
  }

  .detail-card__icon {
    width: 54px;
    height: 54px;
  }

  .detail-card__title {
    font-size: 1.08rem;
  }

  .detail-card__text {
    font-size: 0.94rem;
  }

  .avatar-section__copy {
    text-align: left;
  }

  .avatar-preview-card {
    min-height: 150px;
  }

  .avatar-preview-card span {
    width: 56px;
    height: 80px;
  }

  .avatar-preview-card span::before {
    top: -24px;
    width: 38px;
    height: 38px;
  }

  .avatar-preview-card span::after {
    top: -39px;
    width: 36px;
    height: 23px;
  }
}

/* アニメーション補正: レイアウト用transformとは競合させない */
.limited-badge,
.gold-medal,
.gold-coin,
.avatar-preview-card span {
  animation: none;
}

.primary-cta,
.coming-badge,
.rank-card--gold,
.offer-card--featured {
  animation: glowPulse 4.8s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.08); }
}

/* 生成済みアバターPNG表示 */
.avatar-preview-card img {
  display: block;
  width: min(100%, 150px);
  height: 128px;
  object-fit: contain;
  filter: drop-shadow(0 12px 18px rgba(6, 27, 83, 0.22));
}

.avatar-preview-card:has(img) span {
  display: none;
}

@media (max-width: 640px) {
  .avatar-preview-card img {
    width: min(100%, 120px);
    height: 108px;
  }
}

/* 2026-07 image assets integration: 指定の金装飾と生成PNGのみ使用 */
.campaign-hero::after {
  display: none;
}

.campaign-hero__inner {
  z-index: 1;
}

.gold-decoration {
  position: absolute;
  display: block;
  pointer-events: none;
  user-select: none;
}

.gold-decoration--hero {
  top: 18px;
  left: 50%;
  z-index: 0;
  width: min(94vw, 820px);
  max-width: none;
  opacity: 0.82;
  filter: drop-shadow(0 16px 28px rgba(2, 10, 40, 0.3));
  transform: translateX(-50%);
  animation: decorationFloat 8s ease-in-out infinite;
}

.ikupon-panel {
  isolation: isolate;
}

.ikupon-panel > :not(.gold-decoration) {
  position: relative;
  z-index: 1;
}

.gold-decoration--panel {
  top: -128px;
  right: -184px;
  z-index: 0;
  width: 540px;
  opacity: 0.22;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.24));
  animation: panelDecorationFloat 9s ease-in-out infinite reverse;
}

.offer-card__visual {
  display: grid;
  place-items: center;
}

.offer-card__visual::after {
  z-index: 0;
}

.offer-card__visual-image {
  position: relative;
  z-index: 1;
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}

.offer-card__visual-image--avatar {
  width: min(88%, 430px);
  height: 158px;
  filter: drop-shadow(0 16px 26px rgba(3, 18, 60, 0.32));
}

.offer-card__visual-image--ticket {
  width: min(72%, 330px);
  margin-right: 7%;
  margin-left: auto;
  filter: drop-shadow(0 18px 24px rgba(5, 18, 56, 0.32));
  transform: rotate(-4deg);
}

.offer-card__visual-image--coins {
  position: absolute;
  top: 22px;
  left: 8%;
  z-index: 2;
  width: min(34%, 150px);
  filter: drop-shadow(0 16px 20px rgba(92, 55, 0, 0.26));
}

.avatar-preview-card {
  align-content: end;
  gap: 10px;
}

.avatar-preview-card img {
  animation: avatarFloat 5.6s ease-in-out infinite;
}

.avatar-preview-card:nth-child(even) img {
  animation-delay: 0.7s;
}

@keyframes decorationFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-7px); }
}

@keyframes panelDecorationFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

@keyframes avatarFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@media (max-width: 640px) {
  .gold-decoration--hero {
    top: 10px;
    width: 116vw;
    opacity: 0.58;
  }

  .gold-decoration--panel {
    top: -88px;
    right: -168px;
    width: 390px;
    opacity: 0.2;
  }

  .offer-card__visual-image--avatar {
    height: 132px;
  }

  .offer-card__visual-image--ticket {
    width: min(78%, 260px);
  }

  .offer-card__visual-image--coins {
    top: 20px;
    left: 6%;
    width: 112px;
  }
}
/* 2026-07 reduced motion override */
@media (prefers-reduced-motion: reduce) {
  .gold-decoration,
  .avatar-preview-card img {
    animation: none !important;
  }
}
/* 2026-07 hero logo and offer title shine */
.campaign-hero__title .campaign-hero__logo {
  display: block;
  width: min(58vw, 360px);
  margin: 0 auto 10px;
  font-size: 0;
  line-height: 0;
}

.campaign-hero__logo img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 8px 0 rgba(5, 24, 82, 0.78)) drop-shadow(0 16px 22px rgba(0, 0, 0, 0.34));
}

.offer-card__title {
  position: relative;
  display: inline-block;
  overflow: hidden;
  isolation: isolate;
  padding-right: 0.08em;
  text-shadow: 0 2px 0 rgba(3, 20, 69, 0.42), 0 0 18px rgba(255, 232, 163, 0.26);
}

.offer-card__title::after {
  position: absolute;
  top: -24%;
  bottom: -24%;
  left: -46%;
  z-index: 1;
  width: 34%;
  content: "";
  pointer-events: none;
  background: linear-gradient(105deg, transparent 0%, rgba(255, 255, 255, 0.08) 18%, rgba(255, 248, 207, 0.92) 48%, rgba(255, 255, 255, 0.18) 70%, transparent 100%);
  filter: blur(0.3px);
  mix-blend-mode: screen;
  transform: skewX(-18deg);
  animation: offerTitleFlash 3.9s ease-in-out infinite;
}

.offer-card--featured .offer-card__title::after {
  animation-delay: 0.8s;
}

@keyframes offerTitleFlash {
  0%, 22% { left: -46%; opacity: 0; }
  34% { opacity: 0.95; }
  48% { left: 118%; opacity: 0; }
  100% { left: 118%; opacity: 0; }
}

@media (max-width: 640px) {
  .campaign-hero__title .campaign-hero__logo {
    width: min(76vw, 286px);
    margin-bottom: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .offer-card__title::after {
    animation: none !important;
    opacity: 0;
  }
}
/* 2026-07 external link section */
.external-link-section {
  position: relative;
  padding: 74px 0 92px;
  color: var(--color-white);
  background:
    linear-gradient(180deg, rgba(2, 13, 46, 0.96), rgba(4, 25, 77, 0.94)),
    radial-gradient(circle at 76% 18%, rgba(212, 175, 55, 0.2), transparent 34%);
}

.external-link-panel {
  position: relative;
  overflow: hidden;
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 34px 42px;
  text-align: center;
  border: 2px solid rgba(255, 232, 163, 0.72);
  border-radius: var(--radius-card);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04)),
    linear-gradient(180deg, rgba(10, 61, 145, 0.82), rgba(3, 18, 60, 0.92));
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.external-link-panel::before {
  position: absolute;
  inset: 14px;
  content: "";
  border: 1px solid rgba(255, 232, 163, 0.28);
  border-radius: 16px;
  pointer-events: none;
}

.external-link-panel > * {
  position: relative;
  z-index: 1;
}

.external-link-panel .section-heading__title,
.external-link-panel__text {
  color: var(--color-white);
}

.external-link-panel__text {
  max-width: 620px;
  margin: 0 auto 22px;
  font-size: 1.1rem;
  font-weight: 800;
}
.external-iframe-wrap {
	position: relative;
	z-index: 1;
	overflow: hidden;
	width: 100%;
	margin: 0 auto 22px;
	border: 2px solid rgba(255, 232, 163, 0.66);
	border-radius: 18px;
	background: #FFFFFF;
	box-shadow: 0 18px 36px rgba(0, 0, 0, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.8);
	height: 218px;
}

.external-link-frame {
  display: block;
  width: 100%;
  height: min(78vh, 820px);
  min-height: 620px;
  border: 0;
  background: #FFFFFF;
}

.external-link-button--fallback {
  min-width: min(100%, 260px);
  min-height: 52px;
  padding-top: 12px;
  padding-bottom: 13px;
  font-size: 1.02rem;
}

.external-link-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: min(100%, 320px);
  min-height: 62px;
  padding: 15px 58px 16px 34px;
  overflow: hidden;
  color: var(--color-blue-dark);
  font-size: 1.18rem;
  font-weight: 900;
  line-height: 1.2;
  border: 2px solid rgba(255, 248, 214, 0.96);
  border-radius: 999px;
  background: linear-gradient(180deg, #FFF8DC, var(--color-gold-light) 46%, var(--color-gold));
  box-shadow: 0 14px 28px rgba(92, 55, 0, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.86);
  transition: transform 0.22s ease, box-shadow 0.22s ease, filter 0.22s ease;
}

.external-link-button::before {
  position: absolute;
  top: -32%;
  bottom: -32%;
  left: -44%;
  width: 30%;
  content: "";
  pointer-events: none;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.86), transparent);
  transform: skewX(-18deg);
  animation: linkButtonShine 4.2s ease-in-out infinite;
}

.external-link-button::after {
  position: absolute;
  right: 28px;
  content: "";
  width: 12px;
  height: 12px;
  border-top: 3px solid currentColor;
  border-right: 3px solid currentColor;
  transform: rotate(45deg);
}

.external-link-button:hover {
  transform: translateY(-4px);
  filter: brightness(1.05);
  box-shadow: 0 20px 34px rgba(92, 55, 0, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}
@media (max-width: 640px) {
.external-iframe-wrap {
	height: 140px;
}
  }

@keyframes linkButtonShine {
  0%, 28% { left: -44%; opacity: 0; }
  42% { opacity: 0.95; }
  58% { left: 120%; opacity: 0; }
  100% { left: 120%; opacity: 0; }
}

@media (max-width: 640px) {
  .external-link-section {
    padding: 54px 0 70px;
  }

  .external-link-panel {
    padding: 32px 18px 34px;
  }

  .external-link-panel__text {
    font-size: 1rem;
  }

  .external-link-button {
    width: 100%;
    min-width: 0;
    font-size: 1.08rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .external-link-button::before {
    animation: none !important;
    opacity: 0;
  }
}