:root {
  color-scheme: dark;
  --bg: #130f14;
  --panel: #201820;
  --paper: #f3e8df;
  --ink: #f4ece5;
  --muted: #b9aab2;
  --line: rgba(255, 255, 255, 0.13);
  --accent: #e16a62;
  --gold: #caa26c;
  font-family:
    "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic",
    system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 5%, rgba(137, 43, 83, 0.3), transparent 35rem),
    radial-gradient(circle at 8% 58%, rgba(181, 93, 65, 0.16), transparent 33rem),
    var(--bg);
}

a,
button {
  font: inherit;
}

a {
  color: inherit;
}

.site-header {
  width: min(1180px, calc(100% - 40px));
  margin: auto;
  padding: 27px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 900;
  text-decoration: none;
}

.brand b {
  color: var(--accent);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--gold);
  border-radius: 50% 50% 50% 10%;
  color: var(--gold);
  font-family: Georgia, serif;
  font-style: italic;
}

.general-link {
  color: var(--muted);
  font-size: 13px;
}

.hero {
  width: min(1180px, calc(100% - 40px));
  min-height: 680px;
  margin: 70px auto 110px;
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 80px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.2em;
}

h1,
h2 {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-weight: 500;
  letter-spacing: -0.07em;
}

h1 {
  margin: 0;
  font-size: clamp(50px, 8vw, 96px);
  line-height: 1.03;
}

.lead {
  max-width: 650px;
  margin: 32px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 2;
}

.adult-notice {
  max-width: 690px;
  margin: 24px 0 0;
  padding: 15px 17px;
  border: 1px solid rgba(225, 106, 98, 0.28);
  border-left: 3px solid var(--accent);
  border-radius: 4px 14px 14px 4px;
  color: #d2c2c8;
  background: rgba(225, 106, 98, 0.07);
  font-size: 13px;
  line-height: 1.85;
}

.actions,
.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary,
.secondary {
  padding: 13px 18px;
  border-radius: 11px;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.primary {
  border: 0;
  color: #fff;
  background: var(--accent);
}

.secondary {
  border: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
}

.boundary-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 2px 30px 30px 30px;
  background: rgba(32, 24, 32, 0.78);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.22);
}

.card-number {
  margin: 0;
  color: var(--accent);
  font-family: Georgia, serif;
  font-size: 62px;
  font-style: italic;
  line-height: 1;
}

.boundary-card h2 {
  margin: 20px 0;
  font-size: 31px;
}

.boundary-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 2;
}

.principles {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto 150px;
}

.principles > h2 {
  margin: 0;
  font-size: clamp(40px, 6vw, 68px);
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 55px;
  background: var(--line);
}

.principle-grid article {
  min-height: 260px;
  padding: 30px;
  background: var(--bg);
}

.principle-grid span {
  color: var(--gold);
  font-family: Georgia, serif;
  font-style: italic;
}

.principle-grid h3 {
  margin: 70px 0 10px;
  font-size: 21px;
}

.principle-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.adult-ad-section {
  width: min(1080px, calc(100% - 40px));
  margin: -60px auto 130px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(32, 24, 32, 0.58);
}

.adult-ad-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 36px;
}

.adult-ad-heading h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
}

.adult-ad-heading > p {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.adult-ad-disclosure,
.adult-ad-privacy {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.7;
}

.adult-ad-disclosure {
  margin: 22px 0 0;
  color: #d8c3c9;
}

.adult-ad-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.adult-ad-card {
  min-height: 180px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(19, 15, 20, 0.72);
  text-decoration: none;
  transition:
    border-color 150ms ease,
    transform 150ms ease;
}

.adult-ad-card:hover {
  border-color: rgba(202, 162, 108, 0.55);
  transform: translateY(-2px);
}

.adult-ad-card.preview {
  opacity: 0.76;
}

.adult-ad-card.preview:hover {
  border-color: var(--line);
  transform: none;
}

.adult-ad-meta {
  color: var(--gold);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.07em;
}

.adult-ad-card strong {
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.55;
}

.adult-ad-description {
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
}

.adult-ad-action {
  margin-top: auto;
  padding-top: 18px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 900;
}

.adult-ad-privacy {
  margin: 13px 0 0;
}

dialog {
  width: min(600px, calc(100% - 30px));
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 26px;
  color: var(--ink);
  background: var(--panel);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.65);
}

dialog::backdrop {
  background: rgba(8, 5, 9, 0.84);
  backdrop-filter: blur(7px);
}

.dialog-shell {
  position: relative;
  padding: 45px;
}

.dialog-shell h2 {
  margin: 0;
  font-size: 43px;
}

.dialog-shell > p,
.dialog-shell li {
  color: var(--muted);
  line-height: 1.85;
}

.dialog-shell ol {
  padding-left: 23px;
}

.dialog-shell li + li {
  margin-top: 11px;
}

.close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
}

.fine {
  margin-top: 25px;
  font-size: 12px;
}

.notice {
  padding: 13px 15px;
  border-left: 2px solid var(--accent);
  background: rgba(225, 106, 98, 0.08);
}

.site-footer {
  width: min(1180px, calc(100% - 40px));
  margin: auto;
  padding: 26px 0 45px;
  display: flex;
  justify-content: space-between;
  gap: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.site-footer > div,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}

.site-footer nav {
  justify-content: flex-end;
}

.site-footer strong {
  color: var(--ink);
}

.site-footer a {
  text-decoration: none;
}

@media (max-width: 820px) {
  .hero,
  .principle-grid,
  .adult-ad-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    gap: 55px;
  }

  .adult-ad-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .adult-ad-card {
    min-height: 150px;
  }
}

@media (max-width: 560px) {
  .hero {
    margin-top: 45px;
  }

  .dialog-shell {
    padding: 42px 23px 28px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

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