@charset "utf-8";

/* =======================================
	common
======================================= */
.pc {
  display: none;
}
.sp {
  display: block;
}

body {
  position: relative;
  width: 100%;
  min-height: 100dvh;
  margin: 0 auto;
  text-align: center;
  color: white;
  background: black;
  line-height: 1;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  font-style: normal;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(
      ellipse at center,
      rgba(0, 0, 0, 0.76) 0%,
      rgba(0, 0, 0, 0.58) 36%,
      transparent 62%
    ),
    radial-gradient(
      circle at 88% 10%,
      rgba(226, 183, 91, 0.68),
      rgba(145, 94, 24, 0.36) 34%,
      transparent 62%
    ),
    radial-gradient(
      circle at 8% 92%,
      rgba(216, 154, 48, 0.62),
      rgba(117, 70, 16, 0.38) 36%,
      transparent 64%
    ),
    linear-gradient(135deg, #030303 0%, #0b0a08 38%, #14100a 100%);
  z-index: -1;
}

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

table {
  width: 100%;
}
tr,
td {
  vertical-align: top;
}

a {
  outline: none;
  text-decoration: underline;
}

a:link {
  color: white;
  text-decoration: none;
}
a:visited {
  color: white;
  text-decoration: none;
}
a:hover {
  color: white;
  text-decoration: none;
}
a:active {
  text-decoration: none;
}

/* =======================================
	layout
======================================= */
main {
  position: relative;
  width: 100%;
  margin: 0 auto;
  padding: clamp(4rem, 12vw, 8rem) 0 clamp(4rem, 10vw, 7rem);
}

main::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: -1;
}

section {
  position: relative;
  width: 100%;
  margin: 0 auto;
}

/* =======================================
	text
======================================= */
h2,
h3 {
  width: 96%;
  margin: 0 auto;
}

p {
  width: 90%;
  margin: 0 auto;
  text-align: left;
  line-height: 1.5;
  font-size: clamp(0.938rem, 0.824rem + 0.57vw, 1.25rem);
}

/* =======================================
	header
======================================= */
header {
  background: black;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  height: 100dvh;
  height: calc(var(--vh, 1vh) * 100);
  margin: 0 auto;
  padding: 0 4%;
  box-sizing: border-box;
  overflow: hidden;
}

.header-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 4vh, 2rem);
  width: 100%;
  height: calc(var(--vh, 1vh) * 85);
  max-height: calc(var(--vh, 1vh) * 85);
  min-height: 0;
}

.header-logo {
  flex: 0 0 auto;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0;
  min-width: 0;
  height: auto;
}

.header-logo img {
  display: block;
  width: auto;
  max-width: min(90%, 22rem);
  height: auto;
  max-height: 38vh;
  margin: 0 auto;
  object-fit: contain;
}

.header-text {
  flex: 0 0 auto;
  width: 100%;
  max-width: min(90%, 26rem);
}

.header-text img {
  width: 100%;
  height: auto;
}

header h1 {
  flex: 0 0 auto;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  height: auto;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  text-align: left;
  font-size: clamp(1.125rem, min(6.5vw, 8vh), 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
  word-break: keep-all;
}

.header-scroll-down {
  position: absolute;
  bottom: 4%;
  left: 50%;
  transform: translateX(-50%);
  display: block;
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  color: white;
  cursor: pointer;
  z-index: 1;
  line-height: 0;
  font-size: 0;
  -webkit-appearance: none;
  appearance: none;
  animation: header-scroll-down-blink 2.8s ease-in-out infinite;
}

.header-scroll-down-icon {
  display: grid;
  place-items: center;
  width: 1em;
  height: auto;
  font-size: clamp(3.75rem, 3rem + 3.75vw, 5.25rem);
  font-weight: 700;
  transform: rotate(90deg);
  transform-origin: center center;
}

@keyframes header-scroll-down-blink {
  0%,
  100% {
    opacity: 0.35;
  }
  50% {
    opacity: 1;
  }
}

/* =======================================
	pagetop
======================================= */
.pagetop {
  position: fixed;
  right: 5%;
  bottom: 5%;
  z-index: 10;
  display: block;
  line-height: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.pagetop img {
  display: block;
  width: clamp(3.5rem, 12vw, 5rem);
  height: auto;
}

/* =======================================
	lead
======================================= */
#lead {
  padding: 3% 4%;
  color: #333;
  background: whitesmoke;
}

#lead::before {
  content: "";
  position: absolute;
  bottom: 60px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 100px 100px 0 100px;
  border-color: whitesmoke transparent transparent transparent;
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  z-index: -1;
}

p.lead-text {
  width: 100%;
  margin: 0 auto;
  font-weight: 700;
  font-size: clamp(1rem, 0.818rem + 0.91vw, 1.5rem);
  line-height: 1.5;
}

/* =======================================
	sp01–sp15
======================================= */
.sp-section {
  position: relative;
  box-sizing: border-box;
}

.sp-section-grid {
  --sp-section-column-gap: clamp(0.875rem, 3vw, 1.5rem);

  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(3.25rem, 10vw, 5.75rem) var(--sp-section-column-gap);
  width: min(92%, 56rem);
  margin: 0 auto;
  padding: clamp(2.5rem, 8vw, 5rem) 0 0;
}

.sp-section-intro-title {
  width: min(68%, 28rem);
  margin: 0 auto clamp(1.5rem, 4vw, 3rem);
}

.sp-section-grid .sp-section {
  min-height: clamp(8.5rem, 33vw, 16rem);
  padding: clamp(2.35rem, 6.5vw, 3.6rem) clamp(0.75rem, 3vw, 1.5rem) clamp(1.25rem, 4vw, 2rem);
  border: 1px solid rgba(216, 189, 114, 0.78);
  background: linear-gradient(rgba(0, 0, 0, 0.46), rgba(0, 0, 0, 0.58)), rgba(0, 0, 0, 0.34);
  overflow: visible;
}

.sp-section-grid .sp-section:last-child {
  grid-column: 1 / -1;
  justify-self: center;
  width: calc((100% - var(--sp-section-column-gap)) / 2);
}

.sp-section-grid .sp-section::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  width: clamp(3.25rem, 14vw, 7rem);
  height: 2px;
  background: #050403;
  transform: translateX(-50%);
  z-index: 1;
}

.sp-section-num {
  position: absolute;
  top: 0;
  left: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 0.35em;
  transform: translate(-50%, -54%);
  z-index: 2;
}

.sp-section-num span {
  display: block;
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(3.25rem, 11vw, 6.75rem);
  font-weight: 400;
  line-height: 0.78;
  letter-spacing: -0.02em;
  color: #d8bd72;
  text-shadow:
    0 0 1px rgba(255, 245, 210, 0.7),
    0 0 24px rgba(216, 189, 114, 0.2),
    0 18px 40px rgba(0, 0, 0, 0.38);
}

.sp-section-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.sp-section-body-inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: visible;
}

.sp-section-body-inner h3 {
  width: 100%;
  max-width: 100%;
}

.sp-section-body-inner h3.comingsoon {
  width: 80%;
}

#sp01 .sp-section-body-inner h3 {
  width: 92%;
}

#sp02 .sp-section-body-inner h3 {
  width: 100%;
}

#sp03 .sp-section-body-inner h3 {
  width: 94%;
}

#sp04 .sp-section-body-inner h3 {
  width: 98%;
}

.sp-section-body-inner p {
  width: 100%;
}

.sp-section-body-inner h3 img {
  width: 100%;
  max-height: none;
  object-fit: contain;
  margin: 0 auto;
}

.sp-section-grid a.button {
  display: block;
  width: 100%;
  box-sizing: border-box;
  margin-top: clamp(0.75rem, 3vw, 1.25rem);
  padding: 0.55em 0.9em;
  border-radius: 999px;
  font-size: clamp(0.625rem, 2.6vw, 0.95rem);
  white-space: nowrap;
}

/* =======================================
	topics
======================================= */
#topics {
  padding: 4em 0 5%;
}

p.notice {
  width: 100%;
  font-size: clamp(1.25rem, 0.886rem + 1.82vw, 2.25rem);
  font-weight: bold;
  letter-spacing: 2px;
  line-height: 1.5;
  text-align: center;
  margin: 2em auto 0;
}

a.button {
  display: inline-block;
  padding: 0.75em 2em;
  margin: 2em auto 0;
  color: #1a1a1a;
  background: linear-gradient(135deg, #d4af37 0%, #c9a227 50%, #b8860b 100%);
  border: 1px solid rgba(255, 215, 0, 0.5);
  border-radius: 4px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
  font-size: clamp(1rem, 0.909rem + 0.45vw, 1.25rem);
}

a.button:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
}

.topics-hr {
  display: flex;
  align-items: center;
  gap: 1em;
  margin: clamp(3.5rem, 2.045rem + 7.27vw, 7.5rem) 0 clamp(3rem, 1.818rem + 5.91vw, 6.25rem);
}

.topics-hr-line {
  flex: 1;
  height: 3px;
  background: #d4af37;
  opacity: 0.5;
}

.topics-hr-logo {
  flex-shrink: 0;
  padding: 0 0.75em;
}

.topics-hr-logo img {
  height: clamp(3.75rem, 2.841rem + 4.55vw, 6.25rem);
  width: auto;
}

.andmore {
  width: 100%;
  margin: clamp(3.5rem, 10vw, 6rem) auto 0;
  color: #d8bd72;
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(1.875rem, 6vw, 3rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.04em;
  text-align: center;
  text-transform: lowercase;
  text-shadow:
    0 0 1px rgba(255, 245, 210, 0.7),
    0 0 18px rgba(216, 189, 114, 0.22);
}

/* =======================================
	footer
======================================= */
footer {
  position: relative;
  width: 100%;
  padding: clamp(2rem, 6vw, 4rem) 4%;
  margin: 0 auto;
  overflow: visible;
  background: transparent;
  box-sizing: border-box;
}

footer::before {
  content: none;
}

.foot-logo {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto clamp(0.75rem, 2.5vw, 1.25rem);
}

.foot-logo img {
  width: 20%;
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.5));
}

.foot-container {
  width: 100%;
  margin: 0 auto;
  z-index: 1;
}

.foot-sns {
  position: relative;
  width: 100%;
  margin: 0 auto 4%;
  text-align: center;
}

.foot-sns ul {
  width: 100%;
  margin: 0 auto;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4%;
}

.foot-sns ul li a {
  font-size: clamp(1.25rem, 0.886rem + 1.82vw, 2.25rem);
  font-weight: bold;
  letter-spacing: 2px;
  line-height: 1.5;
  text-align: center;
  margin: 0 auto;
  color: whitesmoke;
  text-decoration: none;
  filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.5));
}

.foot-copyright {
  width: 100%;
  text-align: center;
  font-size: 0.9rem;
  letter-spacing: 2px;
  line-height: 1.5;
}

@media screen and (min-width: 768px) {
  a,
  i,
  button {
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
  }

  footer a:hover,
  footer i:hover {
    scale: 1.1;
  }

  body {
    background: transparent;
  }

  body::before {
    background:
      radial-gradient(
        ellipse at center,
        rgba(0, 0, 0, 0.76) 0%,
        rgba(0, 0, 0, 0.58) 36%,
        transparent 62%
      ),
      radial-gradient(
        circle at 88% 10%,
        rgba(221, 177, 82, 0.48),
        rgba(122, 82, 24, 0.22) 28%,
        transparent 50%
      ),
      radial-gradient(
        circle at 8% 92%,
        rgba(205, 146, 50, 0.42),
        rgba(94, 58, 17, 0.26) 30%,
        transparent 54%
      ),
      linear-gradient(135deg, #030303 0%, #0b0a08 38%, #14100a 100%);
  }

  main::before {
    display: none;
  }

  .header-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 0;
  }

  .header-logo {
    flex: 0 0 50%;
    width: 50%;
    max-width: 50%;
    height: 100%;
    padding-right: clamp(0.5rem, 2vw, 1.5rem);
  }

  .header-logo img {
    width: 100%;
    max-width: 100%;
    max-height: 100%;
    margin: 0;
  }

  .header-text {
    flex: 0 0 50%;
    width: 50%;
    max-width: 50%;
    padding-left: clamp(0.5rem, 2vw, 1.5rem);
    box-sizing: border-box;
  }

  header h1 {
    flex: 0 0 50%;
    width: 50%;
    max-width: 50%;
    height: 100%;
    padding-left: clamp(0.5rem, 2vw, 1.5rem);
    font-size: clamp(1rem, min(5.5vw, 17vh), 5rem);
    line-height: 1.2;
    container-type: size;
  }

  @supports (font-size: 1cqw) {
    header h1 {
      font-size: clamp(1rem, min(11cqw, 24cqh), 5rem);
    }
  }

  p.lead-text {
    width: 74%;
  }

  .sp-section-intro-title {
    width: min(53%, 34rem);
  }

  .sp-section-grid {
    width: min(88%, 72rem);
    row-gap: clamp(4.75rem, 6.5vw, 7rem);
  }

  .sp-section-grid .sp-section {
    min-height: clamp(13rem, 22vw, 17rem);
  }

  .sp-section-grid a.button {
    width: 60%;
    margin-top: 2em;
    padding-top: 0.8em;
    padding-bottom: 0.8em;
  }

  #topics {
    padding: 3% 5% 0 40%;
  }

  a.button {
    margin-top: 3em;
  }

  a.button:hover {
    color: #1a1a1a;
    background: linear-gradient(135deg, #f0d878 0%, #e5c84a 50%, #d4af37 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.5);
    border-color: rgba(255, 215, 0, 0.8);
  }

  .foot-logo img {
    width: 100%;
    max-width: 100px;
    height: auto;
  }
}