/* ==========================================================================
   Zero Next One BASE NIIKAPPU
   lower-sponsors.css v1.4
   Page: /sponsors/ - PARTNER WALL
   Concept: 挑戦を支える、地域のパートナー。
   ========================================================================== */

/* --------------------------------------------------------------------------
   01. Scope / tokens
   -------------------------------------------------------------------------- */

.page-sponsors-v14 {
  --sponsors-ink: #23231f;
  --sponsors-ink-soft: #5e584f;
  --sponsors-white: #fffdf7;
  --sponsors-paper: #f7f1e4;
  --sponsors-paper-deep: #ece3d1;
  --sponsors-line: rgba(39, 35, 28, 0.13);
  --sponsors-line-strong: rgba(39, 35, 28, 0.22);
  --sponsors-blue: #162436;
  --sponsors-blue-deep: #0f1a28;
  --sponsors-gold: #b68c3d;
  color: var(--sponsors-ink);
  background: var(--sponsors-paper);
}

.page-sponsors-v14 .l-main {
  overflow: clip;
  background:
    radial-gradient(circle at 8% 4%, rgba(182, 140, 61, 0.12), transparent 320px),
    radial-gradient(circle at 92% 18%, rgba(22, 36, 54, 0.1), transparent 360px),
    radial-gradient(circle at 10% 86%, rgba(36, 58, 46, 0.08), transparent 340px),
    linear-gradient(180deg, #fffdf7 0%, #f7f1e4 44%, #eee5d6 100%);
}

.p-sponsors-v14 {
  position: relative;
  isolation: isolate;
}

.p-sponsors-v14 img {
  max-width: 100%;
}

.p-sponsors-v14-section,
.p-sponsors-v14-message__inner,
.p-sponsors-v14-wall__grid,
.p-sponsors-v14-areas__grid,
.p-sponsors-v14-final__inner {
  width: min(calc(100% - 32px), 1120px);
  margin-inline: auto;
}

.p-sponsors-v14-section {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

.p-sponsors-v14-section__kicker {
  margin: 0;
  color: var(--sponsors-gold);
  font-family: var(--font-label, system-ui, sans-serif);
  font-size: 0.68rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.p-sponsors-v14-section__title {
  margin: 0;
  color: var(--sponsors-ink);
  font-family: var(--font-heading, "Yu Mincho", "Hiragino Mincho ProN", serif);
  font-size: clamp(1.78rem, 8vw, 3rem);
  font-weight: 650;
  line-height: 1.32;
  letter-spacing: 0.068em;
}

.p-sponsors-v14-section__lead {
  max-width: 44em;
  margin: 0;
  color: var(--sponsors-ink-soft);
  font-family: var(--font-ui, system-ui, sans-serif);
  font-size: 0.88rem;
  font-weight: 550;
  line-height: 1.96;
  letter-spacing: 0.04em;
}

/* --------------------------------------------------------------------------
   02. Hero
   -------------------------------------------------------------------------- */

.p-sponsors-v14-hero {
  position: relative;
  display: grid;
  min-height: 85svh;
  overflow: hidden;
  color: var(--sponsors-white);
  background: var(--sponsors-blue-deep);
}

.p-sponsors-v14-hero__photo,
.p-sponsors-v14-hero__photo img,
.p-sponsors-v14-hero__overlay {
  position: absolute;
  inset: 0;
}

.p-sponsors-v14-hero__photo {
  z-index: 0;
  margin: 0;
}

.p-sponsors-v14-hero__photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.78) contrast(0.98) brightness(0.88);
  transform: scale(1.015);
}

.p-sponsors-v14-hero__overlay {
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(10, 17, 26, 0.16) 0%, rgba(10, 17, 26, 0.08) 34%, rgba(10, 17, 26, 0.74) 100%),
    linear-gradient(90deg, rgba(10, 17, 26, 0.56) 0%, rgba(10, 17, 26, 0.22) 56%, rgba(10, 17, 26, 0.08) 100%);
  pointer-events: none;
}

.p-sponsors-v14-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: end;
  width: min(calc(100% - 32px), 1120px);
  min-height: inherit;
  margin-inline: auto;
  padding: clamp(76px, 20svh, 138px) 0 clamp(42px, 11svh, 92px);
}

.p-sponsors-v14-breadcrumb {
  align-self: start;
  margin-bottom: auto;
}

.p-sponsors-v14-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.p-sponsors-v14-breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255, 253, 247, 0.72);
  font-family: var(--font-ui, system-ui, sans-serif);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

.p-sponsors-v14-breadcrumb__item:not(:last-child)::after {
  content: "/";
  opacity: 0.45;
}

.p-sponsors-v14-breadcrumb__link {
  color: inherit;
  text-decoration: none;
}

.p-sponsors-v14-breadcrumb__current {
  color: rgba(255, 253, 247, 0.9);
}

.p-sponsors-v14-hero__content {
  display: grid;
  justify-items: start;
  gap: 13px;
  max-width: 660px;
  padding-top: 20svh;
}

.p-sponsors-v14-hero__kicker {
  margin: 0;
  color: rgba(255, 253, 247, 0.72);
  font-family: var(--font-label, system-ui, sans-serif);
  font-size: 0.68rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.p-sponsors-v14-hero__title {
  margin: 0;
  color: var(--sponsors-white);
  font-family: var(--font-heading, "Yu Mincho", "Hiragino Mincho ProN", serif);
  font-size: clamp(1.62rem, 6.6vw, 1.92rem);
  font-weight: 600;
  line-height: 1.58;
  letter-spacing: 0.105em;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.26);
}

.p-sponsors-v14-hero__lead {
  margin: 0;
  color: rgba(255, 253, 247, 0.86);
  font-family: var(--font-ui, system-ui, sans-serif);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.92;
  letter-spacing: 0.045em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.22);
}

/* --------------------------------------------------------------------------
   03. Partner Message
   -------------------------------------------------------------------------- */

.p-sponsors-v14-message,
.p-sponsors-v14-wall,
.p-sponsors-v14-areas {
  padding-block: 92px 0;
}

.p-sponsors-v14-message__inner {
  display: grid;
  gap: 28px;
}

.p-sponsors-v14-message__copy {
  display: grid;
  gap: 16px;
}

.p-sponsors-v14-message__title {
  margin: 0;
  color: var(--sponsors-ink);
  font-family: var(--font-heading, "Yu Mincho", "Hiragino Mincho ProN", serif);
  font-size: clamp(2rem, 9vw, 4rem);
  font-weight: 650;
  line-height: 1.34;
  letter-spacing: 0.075em;
}

.p-sponsors-v14-message__text {
  margin: 0;
  color: var(--sponsors-ink-soft);
  font-family: var(--font-ui, system-ui, sans-serif);
  font-size: 0.9rem;
  font-weight: 550;
  line-height: 2.05;
  letter-spacing: 0.04em;
}

.p-sponsors-v14-message__photo {
  position: relative;
  min-height: 360px;
  margin: 0;
  overflow: hidden;
  border-radius: 28px;
  background: var(--sponsors-paper-deep);
}

.p-sponsors-v14-message__photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(0.98) brightness(0.98);
}

.p-sponsors-v14-message__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 26, 40, 0.02) 0%, rgba(15, 26, 40, 0.18) 100%);
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   04. Sponsors Wall
   -------------------------------------------------------------------------- */

.p-sponsors-v14-wall__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.p-sponsors-v14-logo-card {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  min-height: 132px;
  padding: 16px;
  border: 1px solid var(--sponsors-line);
  border-radius: 20px;
  color: inherit;
  background: rgba(255, 253, 247, 0.78);
  box-shadow: none;
  text-decoration: none;
}

.p-sponsors-v14-logo-card__mark {
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 92px;
  border: 1px solid rgba(22, 36, 54, 0.08);
  border-radius: 14px;
  background:
    radial-gradient(circle at 100% 0%, rgba(182, 140, 61, 0.08), transparent 120px),
    rgba(22, 36, 54, 0.035);
}

.p-sponsors-v14-logo-card__mark img {
  display: block;
  max-width: 82%;
  max-height: 58px;
  object-fit: contain;
  filter: saturate(0.92) contrast(0.98);
}

.p-sponsors-v14-logo-card__mark span {
  color: rgba(22, 36, 54, 0.42);
  font-family: var(--font-label, system-ui, sans-serif);
  font-size: 0.66rem;
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: 0.12em;
  text-align: center;
}

.p-sponsors-v14-logo-card__body {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.p-sponsors-v14-logo-card__label,
.p-sponsors-v14-logo-card__name,
.p-sponsors-v14-logo-card__description {
  margin: 0;
}

.p-sponsors-v14-logo-card__label {
  color: var(--sponsors-gold);
  font-family: var(--font-label, system-ui, sans-serif);
  font-size: 0.62rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.16em;
}

.p-sponsors-v14-logo-card__name {
  color: var(--sponsors-ink);
  font-family: var(--font-heading, "Yu Mincho", "Hiragino Mincho ProN", serif);
  font-size: 1.16rem;
  font-weight: 650;
  line-height: 1.38;
  letter-spacing: 0.045em;
}

.p-sponsors-v14-logo-card__description {
  color: var(--sponsors-ink-soft);
  font-family: var(--font-ui, system-ui, sans-serif);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: 0.035em;
}

/* --------------------------------------------------------------------------
   05. Support Areas
   -------------------------------------------------------------------------- */

.p-sponsors-v14-areas__grid {
  display: grid;
  gap: 12px;
}

.p-sponsors-v14-area-card {
  display: grid;
  gap: 10px;
  padding: 22px 20px;
  border: 1px solid var(--sponsors-line);
  border-radius: 20px;
  background: rgba(255, 253, 247, 0.72);
}

.p-sponsors-v14-area-card__label,
.p-sponsors-v14-area-card__title,
.p-sponsors-v14-area-card__text {
  margin: 0;
}

.p-sponsors-v14-area-card__label {
  color: var(--sponsors-gold);
  font-family: var(--font-label, system-ui, sans-serif);
  font-size: 0.64rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.16em;
}

.p-sponsors-v14-area-card__title {
  color: var(--sponsors-ink);
  font-family: var(--font-heading, "Yu Mincho", "Hiragino Mincho ProN", serif);
  font-size: 1.18rem;
  font-weight: 650;
  line-height: 1.38;
  letter-spacing: 0.055em;
}

.p-sponsors-v14-area-card__text {
  color: var(--sponsors-ink-soft);
  font-family: var(--font-ui, system-ui, sans-serif);
  font-size: 0.84rem;
  font-weight: 550;
  line-height: 1.86;
  letter-spacing: 0.036em;
}

/* --------------------------------------------------------------------------
   06. Final CTA
   -------------------------------------------------------------------------- */

.p-sponsors-v14-final {
  padding-block: 96px 36px;
}

.p-sponsors-v14-final__inner {
  display: grid;
  justify-items: center;
  gap: 15px;
  padding: 44px 22px;
  border-radius: 28px;
  color: var(--sponsors-white);
  background:
    radial-gradient(circle at 100% 0%, rgba(182, 140, 61, 0.22), transparent 300px),
    radial-gradient(circle at 0% 100%, rgba(36, 58, 46, 0.18), transparent 280px),
    linear-gradient(180deg, var(--sponsors-blue) 0%, var(--sponsors-blue-deep) 100%);
  text-align: center;
}

.p-sponsors-v14-final__kicker,
.p-sponsors-v14-final__title,
.p-sponsors-v14-final__text {
  margin: 0;
}

.p-sponsors-v14-final__kicker {
  color: rgba(255, 253, 247, 0.68);
  font-family: var(--font-label, system-ui, sans-serif);
  font-size: 0.68rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.18em;
}

.p-sponsors-v14-final__title {
  color: var(--sponsors-white);
  font-family: var(--font-heading, "Yu Mincho", "Hiragino Mincho ProN", serif);
  font-size: clamp(1.85rem, 8.5vw, 3.2rem);
  font-weight: 650;
  line-height: 1.36;
  letter-spacing: 0.075em;
}

.p-sponsors-v14-final__text {
  max-width: 38em;
  color: rgba(255, 253, 247, 0.78);
  font-family: var(--font-ui, system-ui, sans-serif);
  font-size: 0.88rem;
  font-weight: 550;
  line-height: 1.9;
  letter-spacing: 0.04em;
}

.p-sponsors-v14-final__button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  color: var(--sponsors-blue-deep);
  background: var(--sponsors-white);
  font-family: var(--font-ui, system-ui, sans-serif);
  font-size: 0.9rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.055em;
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   07. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 374px) {
  .p-sponsors-v14-section,
  .p-sponsors-v14-message__inner,
  .p-sponsors-v14-wall__grid,
  .p-sponsors-v14-areas__grid,
  .p-sponsors-v14-final__inner {
    width: min(calc(100% - 28px), 1120px);
  }

  .p-sponsors-v14-hero__inner {
    width: min(calc(100% - 28px), 1120px);
  }

  .p-sponsors-v14-hero__title {
    font-size: 1.48rem;
    letter-spacing: 0.085em;
  }

  .p-sponsors-v14-logo-card {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) {
  .p-sponsors-v14-section,
  .p-sponsors-v14-message__inner,
  .p-sponsors-v14-wall__grid,
  .p-sponsors-v14-areas__grid,
  .p-sponsors-v14-final__inner {
    width: min(calc(100% - 56px), 1120px);
  }

  .p-sponsors-v14-hero__inner {
    width: min(calc(100% - 56px), 1120px);
  }

  .p-sponsors-v14-hero__title {
    font-size: clamp(2.8rem, 5vw, 4.8rem);
    line-height: 1.34;
  }

  .p-sponsors-v14-hero__lead {
    font-size: 0.98rem;
  }

  .p-sponsors-v14-message,
  .p-sponsors-v14-wall,
  .p-sponsors-v14-areas {
    padding-block-start: 112px;
  }

  .p-sponsors-v14-message__inner {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
    gap: 52px;
  }

  .p-sponsors-v14-message__photo {
    min-height: 520px;
  }

  .p-sponsors-v14-wall__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .p-sponsors-v14-logo-card {
    min-height: 150px;
    padding: 18px;
  }

  .p-sponsors-v14-logo-card__mark {
    min-height: 104px;
  }

  .p-sponsors-v14-areas__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .p-sponsors-v14-area-card {
    min-height: 250px;
    align-content: start;
    padding: 24px 22px;
  }

  .p-sponsors-v14-final {
    padding-block: 122px 54px;
  }

  .p-sponsors-v14-final__inner {
    padding: 64px 48px;
  }
}

@media (min-width: 1024px) {
  .p-sponsors-v14-section,
  .p-sponsors-v14-message__inner,
  .p-sponsors-v14-wall__grid,
  .p-sponsors-v14-areas__grid,
  .p-sponsors-v14-final__inner {
    width: min(calc(100% - 80px), 1180px);
  }

  .p-sponsors-v14-hero__inner {
    width: min(calc(100% - 80px), 1180px);
  }

  .p-sponsors-v14-message__inner {
    gap: 68px;
  }

  .p-sponsors-v14-wall__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .p-sponsors-v14-logo-card {
    grid-template-columns: 1fr;
    align-content: start;
  }
}

/* --------------------------------------------------------------------------
   08. Hover / motion
   -------------------------------------------------------------------------- */

@media (hover: hover) {
  .p-sponsors-v14-logo-card,
  .p-sponsors-v14-area-card,
  .p-sponsors-v14-final__button {
    transition:
      opacity 0.24s ease,
      transform 0.24s ease,
      border-color 0.24s ease,
      background-color 0.24s ease;
  }

  .p-sponsors-v14-logo-card:hover,
  .p-sponsors-v14-area-card:hover {
    transform: translateY(-2px);
    border-color: var(--sponsors-line-strong);
    background: rgba(255, 253, 247, 0.9);
  }

  .p-sponsors-v14-final__button:hover {
    transform: translateY(-2px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .p-sponsors-v14-logo-card,
  .p-sponsors-v14-area-card,
  .p-sponsors-v14-final__button {
    transition: none !important;
  }
}

@media print {
  .p-sponsors-v14-hero {
    min-height: auto;
    color: #111;
    background: #fff;
  }

  .p-sponsors-v14-hero__photo,
  .p-sponsors-v14-hero__overlay,
  .p-sponsors-v14-message__photo,
  .p-sponsors-v14-final {
    display: none !important;
  }
}

/* Final audit: honest empty state when no sponsor publication is approved. */
.p-sponsors-v14-wall__empty {
  width: min(920px, calc(100% - 40px));
  margin: 34px auto 0;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid rgba(34, 55, 78, 0.14);
  border-radius: 20px;
  background: rgba(255, 252, 245, 0.82);
  text-align: center;
}

.p-sponsors-v14-wall__empty p {
  margin: 0;
}

.p-sponsors-v14-wall__empty p + p {
  margin-top: 8px;
}