.sponsor-body {
  background-color: #f5efe4;
}

.sponsor-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.sponsor-kicker {
  color: #b72f25;
  font: 700 .78rem/1 'Noto Serif JP', serif;
  letter-spacing: .32em;
}

.sponsor-hero {
  position: relative;
  min-height: min(760px, calc(100svh - 76px));
  overflow: hidden;
  display: grid;
  color: #fff7e6;
  background: #221815;
}

.sponsor-hero__media,
.sponsor-hero__media::after {
  position: absolute;
  inset: 0;
}

.sponsor-hero__media::after {
  content: "";
  background:
    linear-gradient(90deg, rgba(24, 14, 14, .88), rgba(24, 14, 14, .38) 56%, rgba(24, 14, 14, .7)),
    linear-gradient(180deg, rgba(12, 18, 28, .14), rgba(12, 18, 28, .68));
}

.sponsor-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.sponsor-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(360px, .78fr) minmax(420px, 1fr);
  align-items: center;
  gap: 34px;
  min-height: inherit;
  padding: 84px 0 120px;
}

.sponsor-hero__copy {
  max-width: 560px;
}

.sponsor-hero .sponsor-kicker,
.sponsor-call .sponsor-kicker {
  color: #efc573;
}

.sponsor-hero h1 {
  margin: 18px 0 24px;
  font: 500 clamp(3rem, 7vw, 6.6rem)/1.08 'Noto Serif JP', serif;
  letter-spacing: .18em;
}

.sponsor-hero__copy p:not(.sponsor-kicker) {
  max-width: 520px;
  color: rgba(255, 247, 230, .9);
  font: 500 1.08rem/2.12 'Noto Serif JP', serif;
  letter-spacing: .06em;
}

.sponsor-lanterns {
  position: relative;
  min-height: 600px;
}

.sponsor-lantern {
  position: absolute;
  width: clamp(132px, 14vw, 188px);
  aspect-ratio: 132 / 210;
  filter: drop-shadow(0 24px 22px rgba(0, 0, 0, .34));
  animation: sponsorSwing 3.5s ease-in-out infinite;
  transform-origin: 50% 8%;
}

.sponsor-lantern img,
.sponsor-detail__mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(255, 165, 55, .42));
}

.sponsor-lantern span {
  position: absolute;
  left: 50%;
  top: 48%;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: translate(-50%, -50%);
  color: #29140d;
  font: 700 .95rem/1.3 "Yu Mincho", "Hiragino Mincho ProN", serif;
  letter-spacing: .12em;
  text-shadow: 0 1px rgba(255, 236, 196, .86);
}

.sponsor-lantern--1 {
  top: 0;
  left: 5%;
}

.sponsor-lantern--2 {
  top: 128px;
  right: 8%;
  animation-delay: -.8s;
}

.sponsor-lantern--3 {
  top: 270px;
  left: 31%;
  animation-delay: -1.6s;
}

.sponsor-lantern--4 {
  top: 385px;
  right: 31%;
  animation-delay: -2.2s;
}

.sponsor-intro {
  position: relative;
  padding: 88px 0;
  background:
    linear-gradient(90deg, rgba(183, 47, 37, .08), transparent 22%, transparent 75%, rgba(10, 51, 77, .08)),
    rgba(248, 243, 233, .82);
}

.sponsor-intro__layout {
  display: grid;
  grid-template-columns: minmax(300px, .82fr) minmax(540px, 1.18fr);
  gap: clamp(34px, 5vw, 72px);
  align-items: start;
}

.sponsor-intro__copy h2,
.sponsor-board h2,
.sponsor-call h2 {
  margin: 18px 0;
  color: #09223f;
  font: 600 clamp(1.9rem, 3.5vw, 3rem)/1.45 'Noto Serif JP', serif;
  letter-spacing: .08em;
}

.sponsor-intro__copy p:not(.sponsor-kicker) {
  color: rgba(31, 37, 48, .78);
  line-height: 2;
}

.sponsor-support {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(9, 34, 63, .16);
  border-bottom: 1px solid rgba(9, 34, 63, .16);
}

.sponsor-support article {
  min-width: 0;
  padding: 26px clamp(16px, 2vw, 28px) 30px;
}

.sponsor-support article + article {
  border-left: 1px solid rgba(9, 34, 63, .12);
}

.sponsor-support b {
  color: #b72f25;
  font: 600 1.15rem/1 'Noto Serif JP', serif;
}

.sponsor-support h3 {
  margin: 18px 0 12px;
  color: #09223f;
  font: 600 1.35rem/1.5 'Noto Serif JP', serif;
  letter-spacing: .06em;
}

.sponsor-support p {
  color: rgba(31, 37, 48, .74);
  line-height: 1.85;
}

.sponsor-board {
  position: relative;
  overflow: hidden;
  padding: 88px 0 108px;
  background:
    linear-gradient(rgba(20, 20, 27, .9), rgba(20, 20, 27, .94)),
    url("../images/bon01.jpg") center / cover no-repeat;
  color: #fff7e6;
}

.sponsor-board__head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
  margin-bottom: 44px;
}

.sponsor-board h2 {
  margin-bottom: 0;
  color: #fff7e6;
}

.sponsor-board__head > p {
  max-width: 390px;
  color: rgba(255, 247, 230, .78);
  line-height: 1.9;
  text-align: right;
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 2.2vw, 28px);
}

.sponsor-detail {
  min-width: 0;
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  align-items: center;
  gap: clamp(14px, 2vw, 24px);
  min-height: 248px;
  padding: clamp(18px, 2vw, 28px);
  border: 1px solid rgba(239, 197, 115, .22);
  background: rgba(255, 244, 218, .08);
}

.sponsor-detail__mark {
  position: relative;
  width: 118px;
  height: 188px;
}

.sponsor-detail__body {
  min-width: 0;
}

.sponsor-detail__body > p {
  margin-bottom: 8px;
  color: #efc573;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .1em;
}

.sponsor-detail__body h3 {
  margin: 0;
  color: #fff7e6;
  font: 600 clamp(1.22rem, 2vw, 1.6rem)/1.55 'Noto Serif JP', serif;
  letter-spacing: .06em;
}

.sponsor-detail dl {
  display: grid;
  gap: 13px;
  margin: 22px 0 0;
}

.sponsor-detail dl div {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-top: 13px;
  border-top: 1px solid rgba(239, 197, 115, .16);
}

.sponsor-detail dt {
  color: #efc573;
  font-weight: 700;
  letter-spacing: .08em;
}

.sponsor-detail dd {
  min-width: 0;
  margin: 0;
  color: rgba(255, 247, 230, .86);
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.sponsor-call {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  display: grid;
  align-items: center;
  padding: 78px 0;
  background:
    linear-gradient(90deg, rgba(10, 28, 50, .96), rgba(10, 28, 50, .84)),
    url("../images/bon02.jpg") center / cover no-repeat;
  color: #fff7e6;
}

.sponsor-call__inner {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 42px;
}

.sponsor-call__inner div {
  max-width: 680px;
}

.sponsor-call h2 {
  color: #fff7e6;
}

.sponsor-call p:not(.sponsor-kicker) {
  color: rgba(255, 247, 230, .82);
  line-height: 2;
}

.sponsor-call a {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  min-width: 228px;
  min-height: 62px;
  border: 1px solid rgba(239, 197, 115, .58);
  background: #efc573;
  color: #15243d;
  font-weight: 700;
  letter-spacing: .12em;
  transition: background .2s ease, transform .2s ease;
}

.sponsor-call a:hover {
  background: #fff0c8;
  transform: translateY(-2px);
}

.sponsor-dancers {
  position: absolute;
  right: clamp(-70px, 2vw, 22px);
  bottom: -42px;
  z-index: 1;
  display: flex;
  align-items: end;
  gap: 2px;
  opacity: .24;
  pointer-events: none;
}

.sponsor-dancers img {
  width: clamp(132px, 15vw, 220px);
  max-height: 360px;
  object-fit: contain;
  filter: drop-shadow(0 20px 18px rgba(0, 0, 0, .28));
}

.sponsor-dancers img:nth-child(2) {
  transform: scaleX(-1);
}

@keyframes sponsorSwing {
  0%, 100% {
    rotate: -2deg;
  }

  50% {
    rotate: 2deg;
  }
}

@media (max-width: 980px) {
  .sponsor-hero {
    min-height: auto;
  }

  .sponsor-hero__inner,
  .sponsor-intro__layout {
    grid-template-columns: 1fr;
  }

  .sponsor-hero__inner {
    gap: 14px;
    padding: 72px 0 54px;
  }

  .sponsor-lanterns {
    min-height: 360px;
  }

  .sponsor-lantern--2 {
    top: 38px;
  }

  .sponsor-lantern--3 {
    top: 146px;
  }

  .sponsor-lantern--4 {
    top: 168px;
    right: 25%;
  }

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

  .sponsor-support article:nth-child(3) {
    grid-column: 1 / -1;
    border-top: 1px solid rgba(9, 34, 63, .12);
    border-left: 0;
  }

  .sponsor-board__head,
  .sponsor-call__inner {
    align-items: start;
    flex-direction: column;
  }

  .sponsor-board__head > p {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .sponsor-shell {
    width: min(100% - 28px, 1180px);
  }

  .sponsor-hero__inner {
    padding-top: 58px;
  }

  .sponsor-hero h1 {
    letter-spacing: .1em;
  }

  .sponsor-hero__copy p:not(.sponsor-kicker) {
    font-size: .98rem;
  }

  .sponsor-lanterns {
    min-height: 310px;
    margin-inline: -10px;
  }

  .sponsor-lantern {
    width: 118px;
  }

  .sponsor-lantern--1 {
    left: 0;
  }

  .sponsor-lantern--2 {
    right: 0;
  }

  .sponsor-lantern--3 {
    left: 20%;
  }

  .sponsor-lantern--4 {
    right: 18%;
  }

  .sponsor-intro,
  .sponsor-board {
    padding: 62px 0 70px;
  }

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

  .sponsor-support article + article,
  .sponsor-support article:nth-child(3) {
    border-top: 1px solid rgba(9, 34, 63, .12);
    border-left: 0;
  }

  .sponsor-detail {
    grid-template-columns: 86px minmax(0, 1fr);
    min-height: 0;
    padding: 16px;
  }

  .sponsor-detail__mark {
    width: 86px;
    height: 138px;
  }

  .sponsor-detail dl div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .sponsor-call {
    min-height: 470px;
    padding: 62px 0 132px;
  }

  .sponsor-call a {
    width: 100%;
    min-width: 0;
  }

  .sponsor-dancers {
    right: -20px;
  }
}