:root {
  color-scheme: light;
  font-family:
    -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic",
    "Noto Sans JP", sans-serif;
  --ink: #19161c;
  --muted: #68616c;
  --pink: #ef5cb6;
  --pink-dark: #b92b82;
  --teal: #00839d;
  --surface: rgba(255, 255, 255, 0.96);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--ink);
  background: #f8f7f9;
}

a {
  color: #0867b2;
}

.landing-body {
  min-height: 100svh;
  overflow-x: hidden;
  background: #08070a;
}

.landing {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  padding: 42px 0 0;
  isolation: isolate;
}

.aurora {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(circle at 18% 34%, rgba(255, 87, 190, 0.46), transparent 34%),
    radial-gradient(circle at 82% 55%, rgba(169, 29, 111, 0.52), transparent 38%),
    linear-gradient(180deg, #000 4%, #110a12 43%, #f86abe 100%);
}

.aurora::after {
  position: absolute;
  inset: 35% -15% -20%;
  content: "";
  filter: blur(42px);
  background: linear-gradient(120deg, #ff81cb, #8f1b66 50%, #ffacd8);
  opacity: 0.66;
  transform: skewY(-7deg);
}

.brand-block {
  position: relative;
  z-index: 2;
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 0 28px;
}

.tagline {
  margin: 0 0 2px 4%;
  color: #fff;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: clamp(22px, 5.4vw, 34px);
  font-weight: 700;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.8);
}

.brand-logo {
  display: block;
  width: min(74vw, 520px);
  height: auto;
  margin-left: 12%;
  filter:
    drop-shadow(0 8px 8px rgba(0, 0, 0, 0.84))
    drop-shadow(0 0 15px rgba(0, 0, 0, 0.9));
}

.carousel-shell {
  position: relative;
  z-index: -1;
  width: 100%;
  margin-top: -26px;
  overflow: hidden;
  mask-image: linear-gradient(to bottom, transparent, #000 9%, #000 80%, transparent);
}

.carousel-track {
  display: flex;
  width: max-content;
  gap: 18px;
  padding: 18px 9px 76px;
  animation: carousel 52s linear infinite;
}

.carousel-track img {
  width: clamp(210px, 54vw, 340px);
  aspect-ratio: 0.72;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: 10px 14px 26px rgba(0, 0, 0, 0.72);
}

@keyframes carousel {
  to {
    transform: translateX(calc(-50% - 9px));
  }
}

.public-panel {
  position: relative;
  z-index: 3;
  width: min(100%, 760px);
  margin: -108px auto 0;
  padding: 92px 24px 42px;
  text-align: center;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0),
    rgba(255, 255, 255, 0.96) 34%,
    #fff 64%
  );
}

.public-panel h1 {
  margin: 0 0 13px;
  font-size: clamp(20px, 4vw, 27px);
}

.public-panel p {
  max-width: 590px;
  margin: 0 auto 16px;
  line-height: 1.75;
}

.age-note {
  color: var(--muted);
  font-size: 13px;
}

.public-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
  margin-top: 24px;
}

.public-links a {
  font-size: 14px;
  font-weight: 700;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  display: flex;
  width: min(100% - 32px, 960px);
  min-height: 66px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-header__brand {
  color: var(--ink);
  font-size: 22px;
  font-weight: 900;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px 16px;
}

.site-header nav a {
  font-size: 13px;
  font-weight: 700;
}

.content-shell {
  width: min(100% - 32px, 900px);
  margin: 34px auto 80px;
}

.content-card {
  padding: clamp(22px, 5vw, 46px);
  border: 1px solid rgba(0, 0, 0, 0.07);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: 0 20px 70px rgba(35, 14, 28, 0.09);
}

.content-card h1 {
  margin: 0 0 24px;
  font-size: clamp(25px, 5vw, 36px);
}

.content-card h2 {
  margin: 36px 0 13px;
  font-size: 20px;
}

.policy-text {
  margin: 0;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  font: inherit;
  font-size: 15px;
  line-height: 1.85;
}

.lead {
  color: #3e3941;
  line-height: 1.75;
}

.notice-box {
  margin: 22px 0;
  padding: 16px 18px;
  border: 1px solid rgba(0, 131, 157, 0.25);
  border-radius: 14px;
  background: rgba(0, 131, 157, 0.07);
  line-height: 1.65;
}

.form-grid {
  display: grid;
  gap: 21px;
  margin-top: 30px;
}

.field {
  display: grid;
  gap: 7px;
}

.field label,
.field legend {
  font-size: 14px;
  font-weight: 800;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid #b7b0b9;
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 16px;
  padding: 13px 14px;
}

.field textarea {
  min-height: 170px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--teal);
  outline: 3px solid rgba(0, 131, 157, 0.14);
}

.field-hint {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #413c43;
  font-size: 13px;
  line-height: 1.55;
}

.consent-row input {
  width: 20px;
  height: 20px;
  margin: 1px 0 0;
  flex: 0 0 auto;
}

.submit-button {
  min-height: 50px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(110deg, var(--teal), #00a8a1);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(0, 131, 157, 0.2);
}

.submit-button:disabled {
  cursor: wait;
  opacity: 0.58;
}

.form-status {
  min-height: 24px;
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.form-status[data-kind="success"] {
  color: #006a46;
}

.form-status[data-kind="error"] {
  color: #b00020;
}

.site-footer {
  width: min(100% - 32px, 900px);
  margin: -54px auto 34px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .carousel-track {
    animation: none;
  }
}

@media (max-width: 560px) {
  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 13px 0;
  }

  .site-header nav {
    justify-content: flex-start;
  }

  .brand-block {
    padding-inline: 14px;
  }

  .public-panel {
    padding-inline: 17px;
  }
}