@charset "utf-8";

/* CBT2026 協賛ページ専用スタイル */
.sponsor-page {
  --sponsor-deep-blue: #087fa6;
  --sponsor-pale-blue: #eaf8fc;
  --sponsor-content-width: 1100px;
  --sponsor-shadow: 0 12px 30px rgba(24, 89, 108, 0.12);
  background: #f7fbfc;
}

.sponsor-page a:focus-visible {
  outline: 3px solid #f28b35;
  outline-offset: 4px;
}

.sponsor-page #contents {
  padding-right: clamp(1rem, 5vw, 5rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
  padding-left: clamp(1rem, 5vw, 5rem);
}

.sponsor-layout {
  width: 100%;
  max-width: var(--sponsor-content-width);
  margin: 0 auto;
}

.sponsor-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 4.5rem);
  border-radius: 20px;
  background: linear-gradient(135deg, #fff 0%, var(--sponsor-pale-blue) 100%);
  box-shadow: var(--sponsor-shadow);
}

.sponsor-hero::after {
  content: "";
  position: absolute;
  top: -105px;
  right: -85px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: rgba(39, 171, 212, 0.11);
  pointer-events: none;
}

.sponsor-hero__eyebrow,
.sponsor-section__heading > p {
  margin: 0 0 0.25rem;
  color: var(--sponsor-deep-blue);
  font-family: "Reddit Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.5;
  text-transform: uppercase;
}

.sponsor-hero h1 {
  position: relative;
  z-index: 1;
  margin: 0 0 1rem;
  color: var(--sponsor-deep-blue);
  font-family: "Reddit Sans", "Noto Sans JP", sans-serif;
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  line-height: 1.45;
  letter-spacing: 0.06em;
}

.sponsor-hero__lead {
  margin: 0 0 1.5rem;
  color: #253b43;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  font-weight: 800;
  line-height: 1.8;
}

.sponsor-hero__message {
  position: relative;
  z-index: 1;
  max-width: 850px;
  line-height: 2;
}

.sponsor-hero__message p {
  margin: 0 0 0.8rem;
}

.sponsor-hero__signature {
  position: relative;
  z-index: 1;
  margin: 1.5rem 0 0;
  font-weight: 700;
  line-height: 1.8;
  text-align: right;
}

.sponsor-section {
  scroll-margin-top: 100px;
  margin-top: clamp(2.5rem, 7vw, 5rem);
  padding: clamp(1.4rem, 4vw, 2.5rem);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--sponsor-shadow);
}

.sponsor-section__heading {
  margin-bottom: 1.25rem;
}

.sponsor-page main .sponsor-section__heading h2 {
  margin: 0;
  padding: 0;
  border: 0;
  color: #273b42;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.55;
  letter-spacing: 0.04em;
}

.sponsor-board-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.sponsor-board-card {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1rem;
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border: 1px solid rgba(39, 171, 212, 0.25);
  border-radius: 14px;
  background: #fbfdfe;
}

.sponsor-board-card__icon {
  display: grid;
  width: 3.5rem;
  height: 3.5rem;
  place-items: center;
  border-radius: 50%;
  background: var(--sponsor-pale-blue);
  color: var(--primary-color);
  font-size: 1.35rem;
}

.sponsor-board-card__number {
  margin: 0;
  color: var(--primary-color);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.sponsor-page main .sponsor-board-card h3,
.sponsor-page main .sponsor-method-card h3 {
  display: block;
  margin: 0 0 0.45rem;
  border: 0;
  color: var(--sponsor-deep-blue);
  font-size: 1.15rem;
  line-height: 1.6;
}

.sponsor-board-card p:last-child {
  margin: 0;
  line-height: 1.85;
}

.sponsor-methods {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.25rem;
  align-items: start;
}

.sponsor-method-card {
  overflow: hidden;
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border: 1px solid rgba(39, 171, 212, 0.25);
  border-radius: 14px;
  background: #fbfdfe;
}

.sponsor-method-card__title {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1rem;
}

.sponsor-method-card__title > i {
  display: grid;
  width: 3.25rem;
  height: 3.25rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: var(--primary-color);
  color: #fff;
  font-size: 1.25rem;
}

.sponsor-method-card__title span {
  color: #65777e;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.sponsor-method-card--money,
.sponsor-method-card--goods {
  display: grid;
  grid-template-columns: minmax(210px, 0.38fr) 1fr;
  align-items: center;
  gap: 1.5rem;
}

.sponsor-method-card--money .sponsor-method-card__title,
.sponsor-method-card--money > p,
.sponsor-method-card--goods .sponsor-method-card__title,
.sponsor-method-card--goods > p {
  margin: 0;
}

.sponsor-method-card--money .sponsor-bank-details {
  grid-column: 1 / -1;
}

.sponsor-bank-details {
  overflow: hidden;
  margin: 1.2rem 0 0;
  border: 1px solid #dcecf1;
  border-radius: 10px;
  background: #fff;
}

.sponsor-bank-details > div {
  display: grid;
  grid-template-columns: minmax(130px, 25%) 1fr;
  border-top: 1px solid #dcecf1;
}

.sponsor-bank-details > div:first-child {
  border-top: 0;
}

.sponsor-bank-details dt,
.sponsor-bank-details dd {
  margin: 0;
  padding: 0.85rem 1rem;
}

.sponsor-bank-details dt {
  background: var(--sponsor-pale-blue);
  color: var(--sponsor-deep-blue);
  font-weight: 800;
}

.sponsor-bank-details dd {
  align-self: center;
  overflow-wrap: anywhere;
}

.sponsor-bank-details dd strong {
  color: var(--sponsor-deep-blue);
  font-size: 1.12em;
  letter-spacing: 0.08em;
}

.sponsor-entry-routes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.sponsor-entry-route {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  align-items: start;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid rgba(39, 171, 212, 0.28);
  border-radius: 14px;
  background: #fbfdfe;
  min-width: 0;
}

.sponsor-entry-route > div:nth-child(2) {
  min-width: 0;
}

.sponsor-entry-route__icon {
  display: grid;
  width: 3.25rem;
  height: 3.25rem;
  place-items: center;
  border-radius: 50%;
  background: var(--primary-color);
  color: #fff;
  font-size: 1.25rem;
}

.sponsor-entry-route__status {
  display: inline-block;
  margin-bottom: 0.3rem;
  padding: 0.12rem 0.65rem;
  border-radius: 999px;
  background: #fff2c7;
  color: #725c0a;
  font-size: 0.72rem;
  font-weight: 800;
}

.sponsor-entry-route__status--available {
  background: var(--sponsor-pale-blue);
  color: var(--sponsor-deep-blue);
}

.sponsor-page main .sponsor-entry-route h3 {
  display: block;
  margin: 0 0 0.4rem;
  border: 0;
  color: var(--sponsor-deep-blue);
  font-size: 1.1rem;
  line-height: 1.6;
}

.sponsor-entry-route p {
  margin: 0;
  line-height: 1.8;
}

.sponsor-entry-route--pending {
  border-style: dashed;
  background: #fcfcfa;
}

.sponsor-entry-route__documents {
  grid-column: 1 / -1;
  min-width: 0;
  margin-top: 0.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid #dcecf1;
}

.sponsor-documents__heading {
  display: block;
  margin: 0 0 0.8rem;
  border: 0;
  color: #455a62;
  font-size: 1rem;
  line-height: 1.6;
}

.sponsor-documents {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.sponsor-documents a {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.8rem;
  min-height: 95px;
  padding: 1rem;
  border: 1px solid rgba(39, 171, 212, 0.28);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 7px 20px rgba(24, 89, 108, 0.08);
  color: #273b42;
  text-decoration: none;
  min-width: 0;
}

.sponsor-documents a > i:first-child {
  color: #c52e49;
  font-size: 1.8rem;
}

.sponsor-documents a > i:last-child {
  color: var(--primary-color);
}

.sponsor-documents a span {
  display: grid;
}

.sponsor-documents a small {
  color: #65777e;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.sponsor-documents a strong {
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.sponsor-documents a:hover {
  border-color: var(--primary-color);
  color: var(--sponsor-deep-blue);
  transform: translateY(-2px);
}

.sponsor-documents__note {
  margin: 0.75rem 0 0;
  color: #65777e;
  font-size: 0.78rem;
  text-align: right;
}

@media screen and (min-width: 900px) {
  .sponsor-page #contents {
    padding-top: 110px;
  }
}

@media screen and (max-width: 899px) {
  .sponsor-page #contents {
    padding-top: 80px;
  }

  .sponsor-methods,
  .sponsor-entry-routes,
  .sponsor-documents {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 700px) {
  .sponsor-hero,
  .sponsor-section {
    border-radius: 14px;
  }

  .sponsor-board-grid {
    grid-template-columns: 1fr;
  }

  .sponsor-board-card {
    grid-template-columns: 2.8rem 1fr;
  }

  .sponsor-entry-route {
    grid-template-columns: 2.8rem 1fr;
  }

  .sponsor-board-card__icon {
    width: 2.8rem;
    height: 2.8rem;
  }

  .sponsor-entry-route__icon {
    width: 2.8rem;
    height: 2.8rem;
  }

  .sponsor-bank-details > div {
    grid-template-columns: 1fr;
  }

  .sponsor-method-card--money,
  .sponsor-method-card--goods {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .sponsor-method-card--money .sponsor-bank-details {
    grid-column: auto;
  }

  .sponsor-bank-details dt,
  .sponsor-bank-details dd {
    padding: 0.75rem 0.9rem;
  }

  .sponsor-hero__signature {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sponsor-page *,
  .sponsor-page *::before,
  .sponsor-page *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}