:root {
  color-scheme: light;
  --ink: #182342;
  --muted: #6c7390;
  --line: rgba(71, 78, 125, 0.14);
  --surface: rgba(255, 255, 255, 0.76);
  --shadow: 0 18px 54px rgba(57, 48, 106, 0.12);
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: #0a1431;
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
  background:
    radial-gradient(circle at 12% 5%, rgba(50, 99, 190, 0.42), transparent 28%),
    radial-gradient(circle at 88% 7%, rgba(126, 67, 176, 0.42), transparent 31%),
    linear-gradient(to bottom, #08132f 0, #17245a 300px, #f4f2fa 590px, #f8f8fc 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.48;
  background-image: radial-gradient(rgba(255, 255, 255, 0.56) 0.8px, transparent 0.8px);
  background-size: 26px 26px;
  mask-image: linear-gradient(to bottom, #000, transparent 46%);
}

a { color: inherit; }

.page-shell {
  position: relative;
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 18px 20px 46px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 8px 8px 28px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 24px 70px rgba(1, 8, 35, 0.3), inset 0 0 0 1px rgba(94, 83, 150, 0.04);
  backdrop-filter: blur(18px);
}

.cover-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 1;
  overflow: hidden;
  border-radius: 21px;
  background: #111f4b;
}

.cover-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(3, 12, 42, 0.72), rgba(3, 12, 42, 0.08) 48%, transparent 74%);
  pointer-events: none;
}

.cover-frame img { display: block; width: 100%; height: 100%; object-fit: cover; }

.cover-label {
  position: absolute;
  z-index: 1;
  left: 23px;
  bottom: 20px;
  display: grid;
  gap: 3px;
  color: white;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.58);
}

.cover-label span { font-size: 9px; font-weight: 800; letter-spacing: 0.19em; }
.cover-label strong { font-size: clamp(16px, 3vw, 23px); letter-spacing: 0.04em; }

.identity { padding: 22px 20px 0; text-align: left; }

.eyebrow {
  margin: 0 0 5px;
  color: #5270a4;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", "Yu Mincho", serif;
  font-size: clamp(34px, 7vw, 46px);
  line-height: 1;
  letter-spacing: -0.035em;
  background: linear-gradient(95deg, #1d3a73 0%, #574ca0 56%, #9b4f8b 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  margin: 11px 0 0;
  color: #354568;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.description {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.x-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 15px;
  padding: 8px 13px 8px 9px;
  border: 1px solid rgba(59, 62, 96, 0.13);
  border-radius: 999px;
  color: #535b78;
  background: #f5f6fb;
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.x-link:hover,
.x-link:focus-visible { transform: translateY(-1px); border-color: rgba(59, 62, 96, 0.32); outline: none; }

.x-mark {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  color: white;
  background: #252733;
  font-size: 11px;
}

.featured-product {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: 16px;
  padding: 25px;
  border: 1px solid rgba(122, 211, 255, 0.42);
  border-radius: 26px;
  color: #eef7ff;
  background: linear-gradient(135deg, #0b254d 0%, #165f99 52%, #45acd4 100%);
  box-shadow: 0 18px 44px rgba(26, 92, 143, 0.24);
}

.featured-product[hidden] { display: none; }

.featured-glow {
  position: absolute;
  z-index: -1;
  width: 240px;
  height: 240px;
  right: -80px;
  top: -100px;
  border-radius: 50%;
  background: rgba(143, 224, 255, 0.33);
}

.featured-badge {
  display: inline-flex;
  margin: 0;
  padding: 6px 10px;
  border-radius: 999px;
  color: #12365e;
  background: #dff7ff;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.featured-status-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 17px; }
.featured-status { margin: 0; color: #d9f5ff; font-size: 10px; font-weight: 900; letter-spacing: 0.13em; }
.featured-kicker { margin: 0 0 5px; color: rgba(235, 249, 255, 0.7); font-size: 9px; font-weight: 800; letter-spacing: 0.18em; }
.featured-product h2 { margin: 0; color: white; font-size: 24px; line-height: 1.35; }
#featured-description { margin: 8px 0 0; color: rgba(236, 249, 255, 0.84); font-size: 13px; line-height: 1.7; }

.featured-notice {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 10px;
  margin-top: 18px;
  padding: 13px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  background: rgba(4, 32, 67, 0.24);
}

.featured-notice p { margin: 0; color: rgba(244, 252, 255, 0.9); font-size: 12px; font-weight: 600; line-height: 1.65; }
.notice-dot { width: 8px; height: 8px; margin-top: 5px; border-radius: 50%; background: #9ce8ff; box-shadow: 0 0 0 5px rgba(156, 232, 255, 0.14); }

.featured-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding: 13px 16px;
  border-radius: 14px;
  color: #17446c;
  background: white;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.featured-link[hidden],
.featured-pending[hidden] { display: none; }

.featured-pending {
  margin: 16px 0 0;
  padding: 12px 15px;
  border: 1px dashed rgba(219, 246, 255, 0.5);
  border-radius: 13px;
  color: white;
  background: rgba(7, 28, 56, 0.18);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  letter-spacing: 0.04em;
}

.links { padding: 31px 4px 0; }

.section-title { padding: 0 4px 13px; }
.section-title p { margin: 0 0 4px; color: #8a7ead; font-size: 9px; font-weight: 800; letter-spacing: 0.2em; }
.section-title h2 { margin: 0; color: #394566; font-size: 16px; }

.link-list {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.94);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 16px 44px rgba(62, 53, 110, 0.09);
  backdrop-filter: blur(16px);
}

.link-row {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: 15px;
  min-height: 84px;
  padding: 14px 18px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.link-row + .link-row { border-top: 1px solid var(--line); }
.link-row:hover,
.link-row:focus-visible { z-index: 1; outline: none; background: rgba(255, 255, 255, 0.82); transform: translateX(3px); }

.service-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 15px;
  color: white;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.36), 0 7px 18px rgba(47, 47, 84, 0.12);
  font-size: 19px;
  font-weight: 900;
}

.chichipui { color: #171717; background: #f3eb18; font-size: 17px; }
.pixiv { background: #1596e8; font-family: Arial, sans-serif; font-size: 28px; }
.tiktok { color: #fff; background: linear-gradient(145deg, #191a22, #050507); text-shadow: -2px 0 #1fd7dc, 2px 0 #f05; }

.link-copy { display: grid; gap: 4px; min-width: 0; }
.link-copy strong { color: #37415f; font-size: 15px; letter-spacing: 0.01em; }
.link-copy small { overflow: hidden; color: #8188a2; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.arrow { color: #77719a; font-size: 20px; }

footer { padding: 34px 0 0; text-align: center; }
.footer-stars { display: flex; align-items: center; justify-content: center; gap: 8px; }
.footer-stars span { width: 4px; height: 4px; border-radius: 50%; background: #d59a49; }
.footer-stars span:nth-child(2) { background: #6a82bd; transform: scale(1.4); }
.footer-stars span:nth-child(3) { background: #8a5f9b; }
footer p { margin: 10px 0 0; color: #9699ad; font-size: 9px; letter-spacing: 0.12em; }

@media (max-width: 560px) {
  .page-shell { padding: 12px 10px 34px; }
  .hero { padding: 6px 6px 24px; border-radius: 24px; }
  .cover-frame { border-radius: 18px; }
  .cover-label { left: 14px; bottom: 11px; }
  .cover-label span { font-size: 7px; }
  .cover-label strong { font-size: 13px; }
  .identity { padding: 19px 14px 0; }
  .tagline { font-size: 14px; }
  .description { font-size: 11px; }
  .featured-product { padding: 21px 18px; border-radius: 22px; }
  .featured-status { font-size: 9px; }
  .links { padding-top: 27px; }
  .link-list { border-radius: 21px; }
  .link-row { grid-template-columns: 44px 1fr auto; min-height: 76px; padding: 12px 14px; }
  .service-mark { width: 44px; height: 44px; border-radius: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}