/* ==========================================================================
   Lit.link Style Design System for azarin link page
   ========================================================================== */

:root {
  /* Light Mode (Default) - Soft Pastel Purple/Blue */
  --bg-color: #9494f9;
  --bg-gradient: linear-gradient(160deg, #9b9bf8 0%, #8888f4 50%, #7d7ef0 100%);
  --card-bg: rgba(255, 255, 255, 0.65);
  --card-hover-bg: rgba(255, 255, 255, 0.88);
  --card-border: #ffffff;
  --card-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  --card-hover-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  --text-primary: #1e1e24;
  --text-secondary: #2b2b2b;
  --text-muted: #4a4a5a;
  --accent-color: #5c5cee;
  --top-btn-bg: rgba(255, 255, 255, 0.85);
  --top-btn-hover: #ffffff;
  --top-btn-border: #ffffff;
  --top-btn-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --avatar-border: #ffffff;
  --status-bg: rgba(255, 255, 255, 0.45);
  --status-border: rgba(255, 255, 255, 0.6);
  --font-family-base: 'M PLUS 1p', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-full: 9999px;
  --container-max-width: 480px;
}

/* ==========================================================================
   Dark Theme (Lit.link Aesthetic Dark Mode)
   ========================================================================== */
html[data-theme="dark"] {
  --bg-color: #0b0c16;
  --bg-gradient: linear-gradient(165deg, #121326 0%, #0d0e1a 45%, #070710 100%);
  --card-bg: rgba(22, 23, 38, 0.72);
  --card-hover-bg: rgba(32, 33, 54, 0.88);
  --card-border: rgba(167, 139, 250, 0.3);
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --card-hover-shadow: 0 8px 24px rgba(167, 139, 250, 0.16);
  --text-primary: #f0eeff;
  --text-secondary: #d8d6f0;
  --text-muted: #9c9cb8;
  --accent-color: #a78bfa;
  --top-btn-bg: rgba(26, 27, 46, 0.85);
  --top-btn-hover: rgba(38, 40, 68, 0.95);
  --top-btn-border: rgba(167, 139, 250, 0.32);
  --top-btn-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  --avatar-border: rgba(167, 139, 250, 0.5);
  --status-bg: rgba(26, 27, 46, 0.75);
  --status-border: rgba(167, 139, 250, 0.3);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  background: var(--bg-color);
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-family-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
  padding: 24px 16px 60px;
  transition: background 0.35s ease, color 0.35s ease;
}

/* Background Subtle Particle / Blur Layer */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  left: -20%;
  width: 140%;
  height: 140%;
  background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.25) 0%, transparent 40%),
              radial-gradient(circle at 20% 80%, rgba(120, 120, 240, 0.3) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.35s ease;
}

html[data-theme="dark"] body::before {
  background: radial-gradient(circle at 80% 20%, rgba(167, 139, 250, 0.12) 0%, transparent 45%),
              radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 45%);
}

.page-wrapper {
  position: relative;
  z-index: 1;
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Top Action Bar (Back to Home & Share) */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.top-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--top-btn-bg);
  border: 1.5px solid var(--top-btn-border);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  box-shadow: var(--top-btn-shadow);
  cursor: pointer;
  transition: all 0.2s ease;
}

.top-action-btn:hover {
  background: var(--top-btn-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  color: var(--accent-color);
}

.top-action-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ==========================================================================
   Profile Section
   ========================================================================== */
.profile-section {
  text-align: center;
  margin-bottom: 12px;
}

.avatar-wrapper {
  position: relative;
  width: 104px;
  height: 104px;
  margin: 0 auto 12px;
}

.avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--avatar-border);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  display: block;
  background: var(--card-bg);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), border-color 0.3s ease;
}

.avatar-wrapper:hover .avatar-img {
  transform: scale(1.05) rotate(2deg);
}

.profile-name {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  margin-bottom: 2px;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.4);
  transition: color 0.3s ease;
}

html[data-theme="dark"] .profile-name {
  text-shadow: 0 2px 12px rgba(167, 139, 250, 0.25);
}

.profile-title {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text-muted);
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

/* Quick SNS Icon Bar */
.quick-sns-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
  list-style: none;
}

.quick-sns-item a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--top-btn-bg);
  color: var(--text-primary);
  text-decoration: none;
  box-shadow: var(--top-btn-shadow);
  border: 1.5px solid var(--top-btn-border);
  transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.quick-sns-item a:hover {
  background: var(--top-btn-hover);
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.18);
  color: var(--accent-color);
}

.quick-sns-item svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Status / Sub-count text badge */
.status-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.45;
  background: var(--status-bg);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--status-border);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: all 0.3s ease;
}

/* ==========================================================================
   Lit.link Signature Double-Border Card (Pattern 6)
   ========================================================================== */
.card-outer {
  position: relative;
  margin-bottom: 8px;
}

/* The offset line frame */
.card-outer::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  width: 100%;
  height: 100%;
  border-top: 2px solid var(--card-border);
  border-left: 2px solid var(--card-border);
  pointer-events: none;
  z-index: 1;
  transition: border-color 0.3s ease;
}

.card-outer::after {
  content: '';
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 100%;
  height: 100%;
  border-bottom: 2px solid var(--card-border);
  border-right: 2px solid var(--card-border);
  pointer-events: none;
  z-index: 1;
  transition: border-color 0.3s ease;
}

.card-inner {
  position: relative;
  z-index: 2;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 2px solid var(--card-border);
  padding: 14px 16px;
  box-shadow: var(--card-shadow);
  transition: all 0.25s ease;
}

/* Clickable Link Cards */
a.card-outer {
  display: block;
  text-decoration: none;
  color: inherit;
}

a.card-outer:hover .card-inner {
  background: var(--card-hover-bg);
  transform: translate(-1px, -1px);
  box-shadow: var(--card-hover-shadow);
  border-color: var(--accent-color);
}

a.card-outer:active .card-inner {
  transform: translate(1px, 1px);
}

/* Content typography */
.card-title {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-text {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-secondary);
  line-height: 1.6;
  white-space: pre-line;
}

/* Heading-Only Card (Section Separator) */
.section-banner {
  text-align: center;
  margin: 12px 0 4px;
}

.section-banner .card-inner {
  padding: 10px 14px;
  background: var(--card-bg);
}

.section-banner .card-text {
  font-size: 0.95rem;
  font-weight: 900;
  color: var(--text-primary);
  text-align: center;
}

/* Link item with Thumbnail/Icon */
.link-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.link-thumb {
  width: 46px;
  height: 46px;
  min-width: 46px;
  border-radius: var(--radius-sm);
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: background 0.3s ease, border-color 0.3s ease;
}

html[data-theme="dark"] .link-thumb {
  background: rgba(18, 19, 32, 0.95);
  border: 1px solid var(--card-border);
}

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

.link-thumb svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.link-body {
  flex: 1;
  min-width: 0;
}

.link-title {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin-bottom: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.link-desc {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  line-height: 1.4;
}

.link-arrow {
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: transform 0.2s ease, color 0.2s ease;
}

a.card-outer:hover .link-arrow {
  transform: translateX(3px);
  color: var(--accent-color);
}

/* ==========================================================================
   Video Embedding Card
   ========================================================================== */
.video-card .card-inner {
  padding: 12px;
}

.video-container {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  background: #000000;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 10px;
  border: 1.5px solid var(--card-border);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-info-title {
  font-size: 1rem;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 2px;
  line-height: 1.4;
}

.video-info-desc {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* ==========================================================================
   Achievements & Tags
   ========================================================================== */
.tags-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--top-btn-bg);
  border: 1px solid var(--top-btn-border);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 900;
  color: var(--text-primary);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  transition: all 0.25s ease;
}

.tag-item .tag-sub {
  font-size: 0.75rem;
  font-weight: 700;
  opacity: 0.75;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  text-align: center;
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--card-border);
  color: var(--text-primary);
  transition: border-color 0.3s ease;
}

.footer-btn-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--top-btn-bg);
  border: 1.5px solid var(--top-btn-border);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  box-shadow: var(--top-btn-shadow);
  transition: all 0.2s ease;
}

.footer-btn:hover {
  background: var(--top-btn-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  color: var(--accent-color);
}

.footer-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.copyright {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(18, 19, 32, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(167, 139, 250, 0.25);
  pointer-events: none;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  z-index: 1000;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   Responsive adjustments
   ========================================================================== */
@media (min-width: 480px) {
  body {
    padding: 36px 20px 80px;
  }
  .avatar-wrapper {
    width: 116px;
    height: 116px;
  }
  .profile-name {
    font-size: 1.65rem;
  }
  .card-inner {
    padding: 16px 20px;
  }
}

/* ==========================================================================
   Navigation Actions (QR, Theme Toggle, Share)
   ========================================================================== */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--top-btn-bg);
  border: 1.5px solid var(--top-btn-border);
  color: var(--text-primary);
  cursor: pointer;
  box-shadow: var(--top-btn-shadow);
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  background: var(--top-btn-hover);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  color: var(--accent-color);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  transition: transform 0.3s ease;
}

.theme-toggle-btn:hover svg {
  transform: rotate(25deg);
}

/* Sun / Moon Icon toggling */
.sun-icon {
  display: none;
}
.moon-icon {
  display: block;
}

html[data-theme="dark"] .sun-icon {
  display: block;
}
html[data-theme="dark"] .moon-icon {
  display: none;
}

/* QR Code Button */
.qr-btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--top-btn-bg);
  border: 1.5px solid var(--top-btn-border);
  color: var(--text-primary);
  cursor: pointer;
  box-shadow: var(--top-btn-shadow);
  transition: all 0.2s ease;
}

.qr-btn-icon:hover {
  background: var(--top-btn-hover);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  color: var(--accent-color);
}

.qr-btn-icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Link Card Inline QR Button */
.link-qr-trigger {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--top-btn-bg);
  border: 1px solid var(--card-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  margin-left: 4px;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.link-qr-trigger:hover {
  background: var(--top-btn-hover);
  color: var(--accent-color);
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.link-qr-trigger svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ==========================================================================
   QR Modal Overlay & Content
   ========================================================================== */
.qr-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 18, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.qr-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.qr-modal-content {
  position: relative;
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 20px;
  width: 100%;
  max-width: 360px;
  padding: 24px 20px 20px;
  text-align: center;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  transform: scale(0.92) translateY(10px);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.3s ease;
  border: 2px solid var(--card-border);
}

html[data-theme="dark"] .qr-modal-content {
  background: #141525;
}

.qr-modal-overlay.active .qr-modal-content {
  transform: scale(1) translateY(0);
}

.qr-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--top-btn-bg);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.qr-modal-close:hover {
  background: var(--top-btn-hover);
  color: var(--accent-color);
  transform: rotate(90deg);
}

.qr-modal-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent-color);
  background: rgba(92, 92, 238, 0.15);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
  border: 1px solid rgba(92, 92, 238, 0.25);
}

html[data-theme="dark"] .qr-modal-badge {
  background: rgba(167, 139, 250, 0.18);
  border-color: rgba(167, 139, 250, 0.3);
}

.qr-modal-title {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}

.qr-modal-desc {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.qr-image-box {
  width: 210px;
  height: 210px;
  margin: 0 auto 16px;
  padding: 10px;
  background: #ffffff;
  border-radius: 14px;
  border: 1.5px solid var(--card-border);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.qr-image-box img {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 6px;
}

.qr-url-box {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  word-break: break-all;
  margin-bottom: 16px;
  font-weight: 600;
  max-height: 48px;
  overflow-y: auto;
}

html[data-theme="dark"] .qr-url-box {
  background: rgba(0, 0, 0, 0.3);
}

.qr-modal-actions {
  display: flex;
  gap: 10px;
}

.qr-modal-btn {
  flex: 1;
  padding: 10px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 800;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s ease;
  text-decoration: none;
}

.qr-modal-btn.primary {
  background: var(--accent-color);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(92, 92, 238, 0.35);
}

html[data-theme="dark"] .qr-modal-btn.primary {
  color: #0b0c16;
  box-shadow: 0 4px 14px rgba(167, 139, 250, 0.35);
}

.qr-modal-btn.primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.qr-modal-btn.secondary {
  background: var(--top-btn-bg);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
}

.qr-modal-btn.secondary:hover {
  background: var(--top-btn-hover);
  color: var(--accent-color);
}

/* ==========================================================================
   ── EDITORIAL OVERRIDE — ブログ (blog/style.css) とデザインを揃えるレイヤー ──
   紫グラデーション背景・二重枠カード・ガラス表現をやめ、
   サイト共通の配色（ゴールドのアクセント）と罫線で構成する
   ========================================================================== */
:root {
  --bg-color: #f5f5f7;
  --bg-gradient: none;
  --card-bg: transparent;
  --card-hover-bg: transparent;
  --card-border: rgba(0, 0, 0, 0.12);
  --card-shadow: none;
  --card-hover-shadow: none;
  --text-primary: #1d1d1f;
  --text-secondary: #424245;
  --text-muted: #6e6e73;
  --accent-color: #8a6a2a;
  --top-btn-bg: transparent;
  --top-btn-hover: transparent;
  --top-btn-border: rgba(0, 0, 0, 0.12);
  --top-btn-shadow: none;
  --avatar-border: transparent;
  --status-bg: transparent;
  --status-border: transparent;
  --font-family-base: -apple-system, BlinkMacSystemFont, "SF Pro Text",
                      "Hiragino Sans", "Hiragino Kaku Gothic ProN",
                      "Yu Gothic", "Inter", "Noto Sans JP", sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --container-max-width: 560px;
}

html[data-theme="dark"] {
  --bg-color: #080808;
  --bg-gradient: none;
  --card-bg: transparent;
  --card-hover-bg: transparent;
  --card-border: rgba(255, 255, 255, 0.14);
  --text-primary: #f5f5f7;
  --text-secondary: #c7c7cc;
  --text-muted: #86868b;
  --accent-color: #d4a853;
  --top-btn-bg: transparent;
  --top-btn-hover: transparent;
  --top-btn-border: rgba(255, 255, 255, 0.14);
  --top-btn-shadow: none;
  --avatar-border: transparent;
  --status-bg: transparent;
  --status-border: transparent;
}

body {
  background: var(--bg-color);
  letter-spacing: -0.005em;
}

body::before {
  display: none;
}

.page-wrapper {
  gap: 0;
}

/* ── 上部ボタン類 ── */
.top-nav {
  margin-bottom: 3rem;
}

.top-action-btn,
.theme-toggle-btn,
.qr-btn-icon,
.footer-btn,
.link-qr-trigger,
.qr-modal-close {
  border: 1px solid var(--top-btn-border);
  border-radius: 8px;
  background: transparent;
  box-shadow: none;
  font-weight: 600;
}

.top-action-btn:hover,
.theme-toggle-btn:hover,
.qr-btn-icon:hover,
.footer-btn:hover,
.link-qr-trigger:hover,
.qr-modal-close:hover {
  background: transparent;
  border-color: var(--text-muted);
  color: var(--text-primary);
  transform: none;
  box-shadow: none;
}

.theme-toggle-btn:hover svg {
  transform: none;
}

/* ── プロフィール（ブログのヘッダーと同じ：左揃え・金色ラベル・太い見出し） ── */
.profile-section {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--card-border);
}

.avatar-wrapper {
  order: -2;
  width: 72px;
  height: 72px;
  margin: 0 0 1.25rem;
}

.avatar-img {
  border: 0;
  box-shadow: none;
}

.avatar-wrapper:hover .avatar-img {
  transform: none;
}

.profile-title {
  order: -1;
  margin-bottom: 0.75rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-color);
}

.profile-name,
html[data-theme="dark"] .profile-name {
  margin-bottom: 1.1rem;
  font-size: clamp(2.1rem, 9vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  text-shadow: none;
}

.quick-sns-bar {
  justify-content: flex-start;
  gap: 8px;
  margin-bottom: 1rem;
}

.quick-sns-item a {
  width: 36px;
  height: 36px;
  border: 1px solid var(--top-btn-border);
  border-radius: 8px;
  background: transparent;
  box-shadow: none;
}

.quick-sns-item a:hover {
  background: transparent;
  border-color: var(--text-muted);
  color: var(--text-primary);
  transform: none;
  box-shadow: none;
}

.quick-sns-item svg {
  width: 17px;
  height: 17px;
}

.status-badge {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
}

/* ── カード（二重枠ガラス → 罫線で区切った行） ── */
.card-outer {
  margin-bottom: 0;
}

.card-outer::before,
.card-outer::after {
  display: none;
}

.card-inner {
  padding: 1.1rem 0.25rem;
  background: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: 0;
  border-bottom: 1px solid var(--card-border);
  box-shadow: none;
}

a.card-outer:hover .card-inner,
a.card-outer:active .card-inner {
  background: none;
  border-color: var(--card-border);
  transform: none;
  box-shadow: none;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.card-text {
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.85;
}

/* 見出しだけのカード → ブログの「記事一覧」見出し＋黒罫線 */
.section-banner {
  margin: 3rem 0 0;
  text-align: left;
}

.section-banner .card-inner {
  padding: 0 0 0.9rem;
  background: none;
  border-bottom: 1px solid var(--text-primary);
}

.section-banner .card-text {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: left;
}

.link-thumb,
html[data-theme="dark"] .link-thumb {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: transparent;
  box-shadow: none;
}

.link-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3em;
  transition: text-decoration-color 0.2s ease;
}

a.card-outer:hover .link-title {
  text-decoration-color: currentColor;
}

.link-desc {
  font-size: 0.82rem;
  font-weight: 400;
}

a.card-outer:hover .link-arrow {
  color: var(--text-primary);
}

.video-container {
  border: 0;
  border-radius: 8px;
}

.video-info-title {
  font-weight: 700;
}

.video-info-desc {
  font-weight: 400;
}

.tag-item {
  padding: 3px 10px;
  border: 1px solid var(--card-border);
  border-radius: 4px;
  background: transparent;
  box-shadow: none;
  font-size: 0.8rem;
  font-weight: 600;
}

/* ── フッター ── */
.site-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--card-border);
}

.copyright {
  font-weight: 400;
}

/* ── トースト / QR モーダル ── */
.toast {
  border-radius: 8px;
  border-color: rgba(255, 255, 255, 0.12);
}

.qr-modal-content,
html[data-theme="dark"] .qr-modal-content {
  background: var(--bg-color);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: 1px solid var(--card-border);
  border-radius: 12px;
}

.qr-modal-badge,
html[data-theme="dark"] .qr-modal-badge {
  padding: 0;
  background: none;
  border: 0;
  border-radius: 0;
  font-family: var(--mono);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.qr-modal-title {
  font-weight: 800;
}

.qr-modal-desc {
  font-weight: 400;
}

.qr-image-box,
.qr-url-box {
  border-radius: 8px;
  box-shadow: none;
}

.qr-modal-btn {
  border-radius: 8px;
  font-weight: 600;
}

.qr-modal-btn.primary,
html[data-theme="dark"] .qr-modal-btn.primary {
  background: var(--text-primary);
  color: var(--bg-color);
  box-shadow: none;
}

.qr-modal-btn.primary:hover {
  filter: none;
  opacity: 0.82;
  transform: none;
}

.qr-modal-btn.secondary {
  background: transparent;
}