/* =====================================================
   Inner Moon Journal — Global Stylesheet
   スピリチュアル × 高級感 デザイン
   ===================================================== */

/* ---------- Design Tokens ---------- */
:root {
  /* Color Palette */
  --color-bg:           #080a0e;
  --color-bg-surface:   #0e1018;
  --color-bg-card:      #12141e;
  --color-bg-card-hover:#181a26;
  --color-border:       rgba(255, 255, 255, 0.07);
  --color-border-hover: rgba(255, 255, 255, 0.16);

  --color-text-primary:  #e8e4dc;
  --color-text-secondary:#9e9a94;
  --color-text-muted:    #5c5a56;

  --color-gold:         #c9a96e;
  --color-gold-light:   #e0c88a;
  --color-gold-dim:     rgba(201, 169, 110, 0.18);

  /* Full Moon — ラベンダー / シルバー */
  --color-full:         #b8a9d4;
  --color-full-dim:     rgba(184, 169, 212, 0.12);
  --color-full-border:  rgba(184, 169, 212, 0.3);

  /* New Moon — ティール / インディゴ */
  --color-new:          #7aa9b8;
  --color-new-dim:      rgba(122, 169, 184, 0.12);
  --color-new-border:   rgba(122, 169, 184, 0.3);

  /* Blue Moon */
  --color-blue:         #6a99d4;
  --color-blue-dim:     rgba(106, 153, 212, 0.12);
  --color-blue-border:  rgba(106, 153, 212, 0.3);

  /* Eclipse / Special */
  --color-special:      #d4876a;
  --color-special-dim:  rgba(212, 135, 106, 0.15);

  /* Typography */
  --font-display:  'Cormorant Garamond', Georgia, serif;
  --font-body:     'Noto Serif JP', 'Times New Roman', serif;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  2rem;
  --space-xl:  4rem;
  --space-2xl: 7rem;

  /* Radius */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;

  /* Transition */
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Light Theme ---------- */
[data-theme="light"] {
  --color-bg:           #faf8f3;
  --color-bg-surface:   #f2ede3;
  --color-bg-card:      #ffffff;
  --color-bg-card-hover:#f5f1e8;
  --color-border:       rgba(0, 0, 0, 0.08);
  --color-border-hover: rgba(0, 0, 0, 0.18);

  --color-text-primary:  #1c1a15;
  --color-text-secondary:#5a5448;
  --color-text-muted:    #9a9488;

  --color-gold:         #9a6f28;
  --color-gold-light:   #b88030;
  --color-gold-dim:     rgba(154, 111, 40, 0.1);

  --color-full:         #7a6aaa;
  --color-full-dim:     rgba(122, 106, 170, 0.1);
  --color-full-border:  rgba(122, 106, 170, 0.25);

  --color-new:          #4a8898;
  --color-new-dim:      rgba(74, 136, 152, 0.1);
  --color-new-border:   rgba(74, 136, 152, 0.25);

  --color-blue:         #4a78b8;
  --color-blue-dim:     rgba(74, 120, 184, 0.1);
  --color-blue-border:  rgba(74, 120, 184, 0.25);

  --color-special:      #b85a3a;
  --color-special-dim:  rgba(184, 90, 58, 0.08);
}

[data-theme="light"] .site-header {
  background: rgba(250, 248, 243, 0.88);
}

[data-theme="light"] .orb { opacity: 0.08; }

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

/* ---------- HEADER ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(8, 10, 14, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-gold-light);
  transition: opacity var(--transition);
}
.site-logo:hover { opacity: 0.8; }

.logo-icon {
  display: flex;
  align-items: center;
  color: var(--color-gold);
}
.logo-icon svg { width: 20px; height: 20px; }

.site-nav {
  display: flex;
  gap: var(--space-lg);
}

.site-nav a {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}
.site-nav a:hover { color: var(--color-gold-light); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 100px var(--space-lg) var(--space-2xl);
  text-align: center;
}

/* 浮遊するオーブ */
.hero-orbs {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: float 12s ease-in-out infinite;
}

.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(184,169,212,0.6), transparent 70%);
  top: -120px; left: -100px;
  animation-duration: 14s;
}

.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(122,169,184,0.5), transparent 70%);
  bottom: -60px; right: -80px;
  animation-duration: 18s;
  animation-delay: -6s;
}

.orb-3 {
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(201,169,110,0.4), transparent 70%);
  top: 40%; left: 50%;
  transform: translate(-50%, -50%);
  animation-duration: 10s;
  animation-delay: -3s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-30px) scale(1.06); }
}

.orb-1 { animation-name: float; }
.orb-2 { animation: float2 18s ease-in-out infinite -6s; }
@keyframes float2 {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(24px) scale(0.96); }
}
.orb-3 { animation: float3 10s ease-in-out infinite -3s; }
@keyframes float3 {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50%       { transform: translate(-50%, -60%) scale(1.1); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
}

.hero-description {
  font-size: 0.95rem;
  line-height: 2;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  border: 1px solid var(--color-gold-dim);
  padding: 0.75rem 2rem;
  border-radius: 2px;
  transition: all var(--transition);
}
.hero-cta:hover {
  background: var(--color-gold-dim);
  border-color: var(--color-gold);
}
.hero-cta svg { width: 16px; height: 16px; }

/* ---------- NOTICE BAR ---------- */
.notice-bar {
  background: var(--color-special-dim);
  border-top: 1px solid rgba(212, 135, 106, 0.2);
  border-bottom: 1px solid rgba(212, 135, 106, 0.2);
  padding: 0.9rem var(--space-lg);
}

.notice-inner {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

.notice-inner svg {
  width: 16px; height: 16px;
  color: var(--color-special);
  flex-shrink: 0;
}

.notice-inner strong {
  color: var(--color-special);
  font-weight: 500;
}

/* ---------- ARCHIVE SECTION ---------- */
.archive {
  padding: var(--space-2xl) var(--space-lg);
}

.archive-inner {
  max-width: 900px;
  margin: 0 auto;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.section-description {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* ---------- MONTH CARD ---------- */
.month-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.month-card {
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

.month-card:last-child {
  border-bottom: none;
}

.month-card--special {
  background: rgba(106, 153, 212, 0.04);
}

/* Month Toggle Button */
.month-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 1.25rem 1.75rem;
  text-align: left;
  transition: background var(--transition);
}

.month-toggle:hover {
  background: var(--color-bg-card-hover);
}

.month-toggle[aria-expanded="true"] {
  background: rgba(201, 169, 110, 0.05);
  border-bottom: 1px solid var(--color-border);
}

/* Month Label */
.month-label {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-shrink: 0;
  min-width: 160px;
}

.month-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-gold);
  letter-spacing: 0.05em;
  line-height: 1;
}

.month-name {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.month-ja {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}

/* Tags */
.month-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  flex: 1;
}

.tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  border: 1px solid transparent;
}

.tag-full {
  color: var(--color-full);
  background: var(--color-full-dim);
  border-color: var(--color-full-border);
}

.tag-new {
  color: var(--color-new);
  background: var(--color-new-dim);
  border-color: var(--color-new-border);
}

.tag-blue {
  color: var(--color-blue);
  background: var(--color-blue-dim);
  border-color: var(--color-blue-border);
}

.tag-special {
  color: var(--color-special);
  background: var(--color-special-dim);
  border-color: rgba(212, 135, 106, 0.3);
}

/* Chevron */
.month-chevron {
  margin-left: auto;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--transition), color var(--transition);
  display: flex;
  align-items: center;
}
.month-chevron svg { width: 18px; height: 18px; }

.month-toggle[aria-expanded="true"] .month-chevron {
  transform: rotate(180deg);
  color: var(--color-gold);
}

/* Month Body */
.month-body {
  padding: 1.5rem 1.75rem 2rem;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Month Note */
.month-note-text {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-blue);
  background: var(--color-blue-dim);
  border: 1px solid var(--color-blue-border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.9rem;
  margin-bottom: 1.25rem;
}
.month-note-text svg { width: 14px; height: 14px; flex-shrink: 0; }

/* Work Grid */
.work-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.work-grid--three {
  grid-template-columns: 1fr 1fr 1fr;
}

/* Work Card */
.work-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.work-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition);
}

.work-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.work-card:hover::before { opacity: 1; }

/* Full Moon カード */
.work-card--full {
  border-color: var(--color-full-border);
}
.work-card--full::before {
  background: var(--color-full-dim);
}
.work-card--full:hover {
  border-color: var(--color-full);
  box-shadow: 0 8px 32px rgba(184, 169, 212, 0.1);
}

.work-card--full .work-card-icon {
  color: var(--color-full);
}

.work-card--full .work-type {
  color: var(--color-full);
}

/* New Moon カード */
.work-card--new {
  border-color: var(--color-new-border);
}
.work-card--new::before {
  background: var(--color-new-dim);
}
.work-card--new:hover {
  border-color: var(--color-new);
  box-shadow: 0 8px 32px rgba(122, 169, 184, 0.1);
}

.work-card--new .work-card-icon {
  color: var(--color-new);
}

.work-card--new .work-type {
  color: var(--color-new);
}

/* Blue Moon カード */
.work-card--blue {
  border-color: var(--color-blue-border);
}
.work-card--blue::before {
  background: var(--color-blue-dim);
}
.work-card--blue:hover {
  border-color: var(--color-blue);
  box-shadow: 0 8px 32px rgba(106, 153, 212, 0.12);
}

.work-card--blue .work-card-icon {
  color: var(--color-blue);
}

.work-card--blue .work-type {
  color: var(--color-blue);
}

/* Card Parts */
.work-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}
.work-card-icon svg { width: 22px; height: 22px; }

.work-card-info {
  flex: 1;
  position: relative;
  z-index: 1;
}

.work-type {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-family: var(--font-display);
  margin-bottom: 0.2rem;
}

.work-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.work-date {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.work-note {
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
}

.work-arrow {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
  position: relative;
  z-index: 1;
  transition: transform var(--transition), color var(--transition);
}

.work-card:hover .work-arrow {
  transform: translateX(3px);
  color: var(--color-gold);
}

/* ---------- WORK PAGE (個別ページ) ---------- */
.work-page {
  min-height: 100svh;
  padding: 100px var(--space-lg) var(--space-2xl);
}

.work-page-inner {
  max-width: 720px;
  margin: 0 auto;
}

.work-page-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  transition: color var(--transition);
}
.work-page-back:hover { color: var(--color-gold); }
.work-page-back svg { width: 14px; height: 14px; }

.work-page-eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.work-page-eyebrow--full { color: var(--color-full); }
.work-page-eyebrow--new  { color: var(--color-new); }
.work-page-eyebrow--blue { color: var(--color-blue); }

.work-page-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.work-page-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.work-page-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
}

.work-page-body {
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--color-text-secondary);
}

.work-page-body h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-text-primary);
  letter-spacing: 0.06em;
  margin: var(--space-xl) 0 var(--space-md);
}

.work-page-body p {
  margin-bottom: var(--space-md);
}

.work-page-body .placeholder-note {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  margin: var(--space-xl) 0;
}

/* ---------- FOOTER ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
}

.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  margin-bottom: var(--space-md);
}

.footer-note {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: var(--space-md);
}

.footer-note a {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}
.footer-note a:hover { color: var(--color-gold); }

.footer-copy {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
}

/* ---------- Theme Toggle Button ---------- */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: var(--color-gold-dim);
}
.theme-toggle svg { width: 16px; height: 16px; }

/* ---------- Lucide Icon Defaults ---------- */
[data-lucide] {
  stroke-width: 1.5;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
  .site-nav { display: none; }

  .month-toggle {
    flex-wrap: wrap;
    padding: 1rem 1.25rem;
    gap: 0.5rem;
  }

  .month-label {
    min-width: auto;
  }

  .month-tags {
    flex: none;
    width: 100%;
    order: 3;
  }

  .month-chevron {
    margin-left: auto;
  }

  .work-grid {
    grid-template-columns: 1fr;
  }

  .work-grid--three {
    grid-template-columns: 1fr;
  }

  .work-card {
    flex-wrap: nowrap;
  }

  .notice-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .archive {
    padding: var(--space-xl) var(--space-md);
  }

  .month-body {
    padding: 1rem 1rem 1.5rem;
  }
}