:root {
  color-scheme: light dark;
  --apple-bg: #f2f2f7;
  --apple-surface: rgba(255, 255, 255, .78);
  --apple-surface-solid: #fff;
  --apple-thick: rgba(246, 246, 248, .9);
  --apple-ink: #17171a;
  --apple-muted: #62626a;
  --apple-line: rgba(60, 60, 67, .16);
  --apple-blue: #087cff;
  --apple-blue-dark: #0062cc;
  --apple-mint: #dff8ef;
  --apple-peach: #fff0e5;
  --apple-shadow: 0 24px 70px rgba(37, 44, 62, .13);
}

body {
  background:
    radial-gradient(circle at 8% 5%, rgba(65, 184, 255, .28), transparent 29rem),
    radial-gradient(circle at 94% 13%, rgba(255, 156, 113, .22), transparent 31rem),
    linear-gradient(180deg, #f9fbff 0, var(--apple-bg) 38rem);
  color: var(--apple-ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Hiragino Sans", "Yu Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
}

a { color: var(--apple-blue); }

.site-header {
  background: rgba(247, 248, 252, .64);
  border: 0;
  box-shadow: 0 1px 0 rgba(255,255,255,.7), 0 12px 40px rgba(40,53,82,.08);
  color: var(--apple-ink);
  padding: 18px 16px;
  position: sticky;
  top: 0;
  z-index: 30;
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
}

.site-header::after {
  background: linear-gradient(180deg, rgba(255,255,255,.25), transparent);
  bottom: -12px;
  content: "";
  height: 12px;
  left: 0;
  pointer-events: none;
  position: absolute;
  right: 0;
}

.site-header__inner {
  align-items: center;
  display: flex;
  gap: 28px;
  justify-content: space-between;
  max-width: 1160px;
}

.site-title {
  color: var(--apple-ink);
  font-size: clamp(23px, 3.5vw, 36px);
  font-weight: 760;
  letter-spacing: -.035em;
  line-height: 1.08;
}

.site-lead {
  color: var(--apple-muted);
  font-size: 13px;
  font-weight: 520;
  letter-spacing: .01em;
  margin: 0;
  max-width: 410px;
  text-align: right;
}

.container { max-width: 1160px; padding-top: 34px; }
.breadcrumb { color: var(--apple-muted); font-size: 13px; margin-bottom: 20px; }
.breadcrumb a { color: var(--apple-muted); }

.hero {
  background: linear-gradient(125deg, rgba(255,255,255,.86), rgba(247,250,255,.54));
  border: 1px solid rgba(255,255,255,.84);
  border-radius: 44px;
  box-shadow: var(--apple-shadow), inset 0 1px 0 rgba(255,255,255,.9);
  min-height: 380px;
  overflow: hidden;
  padding: 70px 42% 60px 54px;
  position: relative;
  -webkit-backdrop-filter: blur(30px) saturate(145%);
  backdrop-filter: blur(30px) saturate(145%);
}

.hero::before,
.hero::after { border-radius: 46% 54% 52% 48%; content: ""; pointer-events: none; position: absolute; }
.hero::before {
  background: linear-gradient(145deg, rgba(0,122,255,.86), rgba(79,202,255,.76) 48%, rgba(118,94,255,.74));
  box-shadow: inset 0 1px 2px rgba(255,255,255,.7), 0 30px 60px rgba(35,100,210,.24);
  height: 270px;
  right: 7%;
  top: 54px;
  transform: rotate(-8deg);
  width: 270px;
}
.hero::after {
  background: rgba(255,255,255,.48);
  border: 1px solid rgba(255,255,255,.7);
  height: 150px;
  right: 12%;
  top: 110px;
  width: 150px;
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.hero h1,
.page-title {
  color: var(--apple-ink);
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 780;
  letter-spacing: -.055em;
  line-height: .98;
}
.hero p { color: var(--apple-muted); font-size: 17px; letter-spacing: -.01em; }

.area-description,
.search-box,
.link-panel,
.content-section,
.post-form,
.area-stats,
.pr-ranking {
  background: var(--apple-surface);
  border: 1px solid rgba(255,255,255,.76);
  border-radius: 30px;
  box-shadow: 0 14px 42px rgba(34,45,72,.09), inset 0 1px 0 rgba(255,255,255,.75);
  color: var(--apple-ink);
  margin-bottom: 24px;
  padding: 26px;
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  backdrop-filter: blur(24px) saturate(150%);
}

.search-box { background: rgba(225,241,255,.74); }
.link-panel { background: rgba(255,255,255,.65); }
.content-section { background: rgba(248,249,252,.83); }
.post-form { background: rgba(233,245,255,.78); }

.search-box h2,
.link-panel h2,
.content-section h2,
.post-form h2,
.area-stats h2,
.pr-ranking h2 {
  color: var(--apple-ink);
  font-size: clamp(23px, 3vw, 32px);
  font-weight: 720;
  letter-spacing: -.035em;
  line-height: 1.13;
}

label, .form-control { color: var(--apple-ink); font-size: 14px; font-weight: 650; }
input, select, textarea {
  background: rgba(255,255,255,.82);
  border: 1px solid var(--apple-line);
  border-radius: 13px;
  box-shadow: inset 0 1px 2px rgba(25,35,54,.04);
  color: var(--apple-ink);
  min-height: 48px;
}
input:focus, select:focus, textarea:focus { border-color: var(--apple-blue); box-shadow: 0 0 0 4px rgba(0,122,255,.16); outline: 0; }

.submit-button,
.post-card__cta,
.pr-card__button {
  background: linear-gradient(180deg, #1688ff, var(--apple-blue));
  border: 0;
  border-radius: 999px;
  box-shadow: 0 7px 18px rgba(0,105,225,.2), inset 0 1px 0 rgba(255,255,255,.24);
  color: #fff !important;
  min-height: 44px;
  transition: filter 120ms ease-out, transform 100ms ease-out;
}

.submit-button:active,
.post-card__cta:active,
.pr-card__button:active,
.area-link-grid a:active { filter: brightness(.92); transform: scale(.97); transition-duration: 70ms; }

.area-link-grid { gap: 10px; grid-template-columns: repeat(auto-fill, minmax(175px, 1fr)); }
.area-link-grid a {
  align-items: center;
  background: rgba(255,255,255,.76);
  border: 1px solid rgba(60,60,67,.11);
  border-radius: 16px;
  color: var(--apple-ink);
  display: flex;
  justify-content: space-between;
  min-height: 50px;
  padding: 11px 14px;
  transition: background-color 150ms ease-out, transform 100ms ease-out;
}
.area-link-grid a::after { color: var(--apple-blue); content: "›"; font-size: 24px; font-weight: 400; line-height: 1; }

.pagination a, .pagination span { background: rgba(255,255,255,.76); border-color: var(--apple-line); color: var(--apple-ink); }

.post-list { display: grid; gap: 14px; }
.post-card {
  background: var(--apple-surface-solid);
  border: 1px solid rgba(60,60,67,.11);
  border-radius: 24px;
  box-shadow: 0 8px 26px rgba(32,43,66,.07);
  color: var(--apple-ink);
  display: grid;
  gap: 8px 24px;
  grid-template-columns: minmax(210px,.65fr) 1.35fr;
  min-height: 220px;
  padding: 24px;
}
.post-card__head, .post-card__meta { grid-column: 1; }
.post-card__meta { align-content: flex-start; align-items: flex-start; align-self: start; }
.post-card__title, .post-card__message, .post-card__foot { grid-column: 2; }
.post-card__title { align-self: end; font-size: 19px; letter-spacing: -.015em; margin-top: 0; }
.post-card__name { color: var(--apple-blue); font-size: 22px; font-weight: 720; letter-spacing: -.025em; }
.post-card__age, .post-card__area, .post-card__date { color: var(--apple-muted); }
.post-card__message { color: var(--apple-ink); }
.post-card__meta span,
.pr-card__badges span {
  background: #f1f1f6 !important;
  border: 0;
  border-radius: 999px;
  color: #4f4f57 !important;
  font-weight: 560;
  line-height: 1.4;
}
.post-card__meta span { flex: 0 0 auto; }
.post-card__tag-more {
  align-self: flex-start;
  background: #303138;
  border: 0;
  border-radius: 999px;
  box-shadow: none;
  color: #fff;
  flex: 0 0 auto;
  line-height: 1.4;
  min-height: 0;
  padding: 3px 9px;
  transition: filter 120ms ease-out, transform 100ms ease-out;
}
.post-card__tag-more:active { filter: brightness(.9); transform: scale(.94); transition-duration: 70ms; }
.post-card__tag--purpose { background: var(--apple-peach) !important; color: #854520 !important; }
.post-card__foot { border-top-color: var(--apple-line); }

.info-table {
  border-collapse: separate;
  border-spacing: 0;
  color: var(--apple-ink);
  table-layout: fixed;
}
.info-table th,
.info-table td {
  border-color: var(--apple-line);
  color: var(--apple-ink);
  overflow-wrap: anywhere;
  padding: 14px 16px;
}
.info-table th {
  background: #f0f0f5;
  color: #3f3f46;
  font-weight: 650;
}
.info-table td { background: rgba(255,255,255,.7); }
.content-section .form-note { color: var(--apple-muted); }

.area-stats { background: rgba(225,248,240,.76); }
.area-stats__eyebrow { color: #167c65; font-size: 12px; letter-spacing: .06em; }
.area-stats__head p, .pr-ranking__head p { color: var(--apple-muted); }
.area-stats__head strong { color: #146b58; }
.area-stats__grid { grid-template-columns: repeat(3, 1fr); }
.area-stats__block {
  background: rgba(255,255,255,.68);
  border: 1px solid rgba(36,92,76,.1);
  border-radius: 20px;
  color: var(--apple-ink);
  padding: 16px;
}
.area-stats__block li { border-top-color: rgba(36,92,76,.12); }
.area-stats__block b { background: #fff; color: #246b5b; }
.area-stats__note { background: rgba(255,255,255,.7); color: #37685d; }

.pr-ranking { background: rgba(255,240,229,.74); }
.pr-ranking__label, .pr-card__rank { background: #ff7347; color: #fff; }
.pr-card { background: rgba(255,255,255,.82); border: 1px solid rgba(118,66,45,.1); border-radius: 22px; color: var(--apple-ink); }
.pr-card__image { background: #fff; border-radius: 18px; }
.pr-card__catch { color: #ad4e2e; }
.pr-card__button { background: linear-gradient(180deg,#ff825e,#f15c36); box-shadow: 0 7px 18px rgba(201,74,39,.18); }

.site-footer {
  background: rgba(27,28,32,.92);
  border-radius: 34px 34px 0 0;
  color: #d9d9df;
  margin-top: 38px;
  -webkit-backdrop-filter: blur(22px);
  backdrop-filter: blur(22px);
}

@media (hover: hover) {
  .area-link-grid a:hover { background: #fff; transform: translateY(-2px); }
  .post-card__cta:hover, .pr-card__button:hover, .submit-button:hover { filter: brightness(1.05); }
}

@media (max-width: 760px) {
  .site-header { position: static; }
  .site-header__inner { align-items: flex-start; flex-direction: column; gap: 7px; }
  .site-lead { text-align: left; }
  .container { padding-top: 22px; }
  .hero { min-height: 500px; padding: 42px 25px; }
  .hero h1, .page-title { font-size: 48px; }
  .hero::before { bottom: 45px; height: 190px; right: calc(50% - 95px); top: auto; width: 190px; }
  .hero::after { bottom: 79px; height: 110px; right: calc(50% - 55px); top: auto; width: 110px; }
  .area-description, .search-box, .link-panel, .content-section, .post-form, .area-stats, .pr-ranking { border-radius: 24px; padding: 20px; }
  .area-link-grid, .area-stats__grid { grid-template-columns: 1fr; }
  .post-card { display: block; min-height: 0; padding: 22px; }
  .post-card__foot { margin-top: 14px; }
  .info-table, .info-table tbody, .info-table tr, .info-table th, .info-table td { display: block; width: 100%; }
  .info-table tr { margin-bottom: 12px; }
  .info-table th { border-bottom: 0; border-radius: 13px 13px 0 0; }
  .info-table td { border-radius: 0 0 13px 13px; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --apple-bg: #090a0d;
    --apple-surface: rgba(30,31,36,.82);
    --apple-surface-solid: #1c1d22;
    --apple-thick: rgba(30,31,36,.94);
    --apple-ink: #f5f5f7;
    --apple-muted: #aaaab2;
    --apple-line: rgba(235,235,245,.18);
    --apple-blue: #4ba3ff;
    --apple-blue-dark: #75b8ff;
    --apple-shadow: 0 28px 80px rgba(0,0,0,.35);
  }
  body { background: radial-gradient(circle at 8% 5%,rgba(22,105,170,.34),transparent 29rem), radial-gradient(circle at 94% 13%,rgba(169,72,52,.24),transparent 31rem), #090a0d; }
  .site-header { background: rgba(19,20,24,.7); box-shadow: 0 1px 0 rgba(255,255,255,.08), 0 12px 40px rgba(0,0,0,.25); }
  .hero { background: linear-gradient(125deg,rgba(35,38,45,.88),rgba(24,27,34,.7)); border-color: rgba(255,255,255,.12); }
  .area-description, .search-box, .link-panel, .content-section, .post-form, .area-stats, .pr-ranking { border-color: rgba(255,255,255,.11); }
  .search-box { background: rgba(20,49,76,.82); }
  .content-section { background: rgba(22,23,28,.86); }
  .post-form { background: rgba(20,49,76,.82); }
  input, select, textarea, .area-link-grid a { background: rgba(44,45,52,.88); color: var(--apple-ink); }
  .post-card__meta span, .pr-card__badges span { background: #303138 !important; color: #d7d7de !important; }
  .post-card__tag--purpose { background: #51372c !important; color: #ffd8c5 !important; }
  .info-table th { background: #303138; color: #f5f5f7; }
  .info-table td { background: rgba(42,43,49,.88); color: #f5f5f7; }
  .area-stats { background: rgba(20,60,50,.82); }
  .area-stats__eyebrow, .area-stats__head strong { color: #72d6ba; }
  .area-stats__block, .area-stats__note { background: rgba(31,45,42,.92); color: #e8f7f2; }
  .area-stats__block b { background: #2d4942; color: #9fe2cf; }
  .pr-ranking { background: rgba(70,38,29,.82); }
  .pr-card { background: rgba(37,29,27,.9); }
  .pr-card__image { background: #2b2b30; }
  .site-footer { background: rgba(14,15,18,.94); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .submit-button:active, .post-card__cta:active, .pr-card__button:active, .post-card__tag-more:active, .area-link-grid a:active { transform: none; }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header, .hero, .area-description, .search-box, .link-panel, .content-section, .post-form, .area-stats, .pr-ranking, .site-footer { -webkit-backdrop-filter: none; backdrop-filter: none; }
  .site-header { background: var(--apple-thick); }
  .hero, .area-description, .search-box, .link-panel, .content-section, .post-form, .area-stats, .pr-ranking { background: var(--apple-surface-solid); }
}

@media (prefers-contrast: more) {
  .site-header, .hero, .area-description, .search-box, .link-panel, .content-section, .post-form, .post-card, .area-stats, .pr-ranking, .area-link-grid a { border: 2px solid currentColor; }
  .site-header, .hero, .area-description, .search-box, .link-panel, .content-section, .post-form, .area-stats, .pr-ranking { background: var(--apple-surface-solid); }
}