@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&family=Noto+Serif+JP:wght@400;500;600;700&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --c-red: #ff0000;
  --c-purple: #8b00ff;
  --c-dark: #261717;
  --c-dark-2: #1a0f0f;
  --c-dark-3: #0e0808;
  --c-white: #ffffff;
  --c-glass-bg: rgba(255,255,255,0.08);
  --c-glass-border: rgba(255,255,255,0.15);
  --c-glass-hover: rgba(255,255,255,0.13);
  --c-text-main: rgba(255,255,255,0.92);
  --c-text-sub: rgba(255,255,255,0.6);
  --c-text-muted: rgba(255,255,255,0.38);
  --radius-card: 28px;
  --radius-sm: 12px;
  --radius-btn: 8px;
  --nav-h: 64px;
  --header-h: 56px;
  --font-serif: 'Noto Serif JP', 'Georgia', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Meiryo', system-ui, sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  line-height: 1.6;
}

body.dark-body {
  background-color: var(--c-dark-3);
  color: var(--c-text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
  padding-bottom: var(--nav-h);
}

/* ── 背景光晕 ── */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  transform-style: preserve-3d;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}

.bg-orb-red {
  width: 600px;
  height: 600px;
  background: var(--c-red);
  top: -200px;
  left: -150px;
  animation: orb-drift-1 18s ease-in-out infinite alternate;
}

.bg-orb-purple {
  width: 500px;
  height: 500px;
  background: var(--c-purple);
  top: 30%;
  right: -180px;
  animation: orb-drift-2 22s ease-in-out infinite alternate;
}

.bg-orb-dark {
  width: 400px;
  height: 400px;
  background: #3d1a2e;
  bottom: 10%;
  left: 20%;
  animation: orb-drift-3 16s ease-in-out infinite alternate;
}

@keyframes orb-drift-1 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(60px, 80px) scale(1.1); }
}
@keyframes orb-drift-2 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-50px, 60px) scale(0.95); }
}
@keyframes orb-drift-3 {
  from { transform: translate(0, 0); }
  to   { transform: translate(40px, -40px); }
}

@media (prefers-reduced-motion: reduce) {
  .bg-orb { animation: none; }
  html { scroll-behavior: auto; }
  .deco-float { animation: none; }
  .badge-dot { animation: none; }
}

/* ── Glass 基础 ── */
.glass-panel {
  background: rgba(38, 23, 23, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--c-glass-border);
}

.glass-card {
  background: var(--c-glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--c-glass-border);
  border-radius: var(--radius-card);
  border-bottom: 3px solid var(--c-red);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.glass-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(255, 0, 0, 0.15);
  border-color: rgba(255,255,255,0.25);
}

.glass-card-inner {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.1);
}

/* ── Site Header ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: var(--header-h);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 16px;
}

.header-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.brand-text-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-red), var(--c-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  color: #fff;
  box-shadow: 0 0 12px rgba(255,0,0,0.5);
}

.header-tagline {
  flex: 1;
  overflow: hidden;
}

.tagline-text {
  font-size: 13px;
  color: var(--c-text-sub);
  font-weight: 300;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,200,80,0.15);
  border: 1px solid rgba(0,200,80,0.3);
  border-radius: 20px;
  padding: 4px 10px;
  flex-shrink: 0;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #00c850;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.badge-label {
  font-size: 12px;
  color: #00c850;
  font-weight: 500;
}

/* ── Hero ── */
.hero-wrap {
  position: relative;
  z-index: 10;
  min-height: 45vh;
  margin-top: var(--header-h);
  display: flex;
  align-items: center;
  padding: 40px 20px 32px;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 32px;
}

.hero-content {
  flex: 1;
  text-align: right;
  max-width: 600px;
  margin-left: auto;
}

.hero-eyebrow {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.eyebrow-tag {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(255,0,0,0.2);
  border: 1px solid rgba(255,0,0,0.4);
  color: #ff6666;
}

.eyebrow-tag-alt {
  background: rgba(139,0,255,0.2);
  border-color: rgba(139,0,255,0.4);
  color: #bb66ff;
}

.hero-h1 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 30%, #ffaaaa 70%, #cc88ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 16px;
  color: var(--c-text-sub);
  line-height: 1.7;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.hero-deco {
  position: relative;
  width: 160px;
  flex-shrink: 0;
}

.deco-card {
  width: 100px;
  height: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 0 auto;
}

.deco-icon {
  font-size: 28px;
}

.deco-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-red);
}

.deco-float {
  position: absolute;
  font-family: var(--font-serif);
  font-weight: 700;
  color: rgba(255,255,255,0.15);
  pointer-events: none;
  user-select: none;
}

.deco-float-1 {
  font-size: 48px;
  top: -20px;
  right: 0;
  animation: float-y 4s ease-in-out infinite;
}

.deco-float-2 {
  font-size: 36px;
  bottom: -10px;
  left: 0;
  animation: float-y 5s ease-in-out infinite reverse;
}

.deco-float-3 {
  font-size: 24px;
  top: 40px;
  left: -10px;
  color: rgba(255,0,0,0.3);
  animation: float-y 3.5s ease-in-out infinite;
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  background: linear-gradient(135deg, var(--c-red), var(--c-purple));
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(255,0,0,0.35);
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,0,0,0.5);
}

.btn-primary.btn-lg {
  padding: 14px 40px;
  font-size: 17px;
  min-height: 52px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  background: transparent;
  color: var(--c-text-main);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--c-glass-border);
  transition: background var(--transition), border-color var(--transition);
}

.btn-ghost:hover {
  background: var(--c-glass-hover);
  border-color: rgba(255,255,255,0.3);
}

/* ── Main Content ── */
main {
  position: relative;
  z-index: 10;
  padding: 0 20px 60px;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
}

.wrap > div {
  width: 100%;
}

.content-article {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 32px;
  align-items: start;
}

.content-main {
  min-width: 0;
}

/* ── Aside ── */
.content-aside {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  padding: 24px;
}

.aside-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text-sub);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-glass-border);
}

.aside-title > span {
  display: inline-block;
}

.aside-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
}

.aside-link {
  display: block;
  padding: 8px 10px;
  font-size: 14px;
  color: var(--c-text-sub);
  text-decoration: none;
  border-radius: 8px;
  min-height: 40px;
  line-height: 1.5;
  display: flex;
  align-items: center;
  transition: background var(--transition), color var(--transition);
}

.aside-link:hover {
  background: var(--c-glass-hover);
  color: var(--c-text-main);
}

.aside-promo {
  padding: 14px;
  text-align: center;
}

.aside-promo-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-red);
  margin-bottom: 6px;
}

.aside-promo-text {
  font-size: 13px;
  color: var(--c-text-sub);
  line-height: 1.5;
}

/* ── Page Content (from page.content) ── */
.content-main div {
  margin-bottom: 64px;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.content-main h2 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  background: linear-gradient(90deg, #fff 60%, #ff8888 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-glass-border);
}

.content-main h2 > span {
  display: inline;
}

.content-main h3 {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 600;
  color: #ffcccc;
  margin: 28px 0 12px;
}

.content-main h3 > span {
  display: inline;
}

.content-main p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text-sub);
  margin-bottom: 16px;
}

.content-main ul,
.content-main ol {
  padding-left: 20px;
  margin-bottom: 16px;
  color: var(--c-text-sub);
  line-height: 1.8;
  font-size: 16px;
}

.content-main li {
  margin-bottom: 8px;
}

.content-main a {
  color: #ff8888;
  text-decoration: underline;
  text-decoration-color: rgba(255,0,0,0.4);
  transition: color var(--transition);
}

.content-main a:hover {
  color: var(--c-red);
}

.content-main strong {
  color: var(--c-text-main);
  font-weight: 600;
}

.content-main table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  font-size: 15px;
}

.content-main th {
  background: rgba(255,0,0,0.15);
  color: var(--c-text-main);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid var(--c-glass-border);
}

.content-main td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  color: var(--c-text-sub);
}

.content-main tr:hover td {
  background: rgba(255,255,255,0.03);
}

.content-main blockquote {
  border-left: 3px solid var(--c-red);
  padding: 12px 20px;
  margin: 20px 0;
  background: rgba(255,0,0,0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--c-text-sub);
  font-style: italic;
}

.content-main details {
  background: var(--c-glass-bg);
  border: 1px solid var(--c-glass-border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}

.content-main summary {
  padding: 14px 18px;
  font-weight: 600;
  color: var(--c-text-main);
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.content-main details[open] summary {
  border-bottom: 1px solid var(--c-glass-border);
  color: #ff8888;
}

.content-main details > *:not(summary) {
  padding: 14px 18px;
  color: var(--c-text-sub);
  font-size: 15px;
  line-height: 1.7;
}

/* ── CTA Block ── */
.cta-block {
  position: relative;
  z-index: 10;
  margin: 0 20px 40px;
  border-radius: var(--radius-card);
  padding: 48px 32px;
  text-align: center;
  border-bottom: 3px solid var(--c-purple);
  overflow: hidden;
}

.cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,0,0,0.08) 0%, rgba(139,0,255,0.12) 100%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--c-text-main);
}

.cta-title > span {
  display: inline;
}

.cta-desc {
  font-size: 16px;
  color: var(--c-text-sub);
  margin-bottom: 28px;
  line-height: 1.6;
}

/* ── Footer ── */
.site-footer {
  position: relative;
  z-index: 10;
  margin: 0 20px 80px;
  border-radius: var(--radius-card);
  padding: 28px 24px;
  border-bottom: 3px solid rgba(139,0,255,0.5);
}

.footer-nav {
  margin-bottom: 20px;
}

.footer-dl {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  list-style: none;
}

.footer-dl dt {
  display: inline-flex;
}

.nav-dl-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--c-text-sub);
  text-decoration: none;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.nav-dl-link:hover {
  color: var(--c-text-main);
  background: var(--c-glass-hover);
  border-color: var(--c-glass-border);
}

.nav-contact {
  display: inline-flex;
  align-items: center;
}

.nav-contact-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  font-size: 14px;
  color: #ff8888;
  text-decoration: none;
  border-radius: 6px;
}

.footer-address {
  font-style: normal;
  margin-bottom: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--c-glass-border);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
}

.footer-links li a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--c-text-muted);
  text-decoration: none;
  border-radius: 6px;
  transition: color var(--transition);
}

.footer-links li a:hover {
  color: var(--c-text-sub);
}

.footer-bottom {
  text-align: center;
  padding-top: 16px;
  border-top: 1px solid var(--c-glass-border);
}

.footer-copy {
  font-size: 13px;
  color: var(--c-text-muted);
  line-height: 1.6;
}

.footer-icp {
  font-size: 12px;
  color: var(--c-text-muted);
  margin-top: 4px;
}

/* ── Bottom Fixed Nav Bar ── */
.bottom-nav-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 300;
  height: var(--nav-h);
  background: rgba(26, 15, 15, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-top: 1px solid var(--c-glass-border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.bottom-nav-bar::-webkit-scrollbar {
  display: none;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 6px 10px;
  color: var(--c-text-muted);
  text-decoration: none;
  font-size: 11px;
  font-weight: 500;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
  flex-shrink: 0;
  white-space: nowrap;
  gap: 3px;
}

.bottom-nav-item:hover,
.bottom-nav-item:focus {
  color: var(--c-text-main);
  background: var(--c-glass-hover);
}

.bottom-nav-item .nav-icon {
  font-size: 18px;
  line-height: 1;
}

.bottom-nav-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 4px;
  margin-right: 8px;
  flex-shrink: 0;
  text-decoration: none;
}

.bottom-brand-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-red), var(--c-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 0 10px rgba(255,0,0,0.4);
}

/* Section scroll margin */
div[id] {
  scroll-margin-top: calc(var(--header-h) + 12px);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero-inner {
    flex-direction: column-reverse;
    text-align: right;
    padding: 24px 0;
  }

  .hero-deco {
    width: 120px;
  }

  .hero-actions {
    flex-wrap: wrap;
  }

  .content-article {
    grid-template-columns: 1fr;
  }

  .content-aside {
    position: static;
    order: -1;
    margin-bottom: 24px;
  }

  .cta-block {
    margin: 0 12px 32px;
    padding: 36px 20px;
  }

  .site-footer {
    margin: 0 12px 80px;
  }

  main {
    padding: 0 12px 40px;
  }

  .footer-dl {
    gap: 2px 4px;
  }

  .nav-dl-link {
    padding: 8px 10px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .hero-wrap {
    min-height: auto;
    padding: 24px 16px 20px;
  }

  .hero-h1 {
    font-size: 26px;
  }

  .hero-content {
    text-align: right;
  }

  .hero-deco {
    display: none;
  }

  .header-tagline {
    display: none;
  }

  main {
    padding: 0 16px 40px;
  }
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--c-dark-3);
}
::-webkit-scrollbar-thumb {
  background: rgba(255,0,0,0.3);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255,0,0,0.5);
}

/* ── Focus ── */
:focus-visible {
  outline: 2px solid var(--c-red);
  outline-offset: 3px;
  border-radius: 4px;
}