/* =========================================================
   竜誌 — style.css
   幻想・重厚・かっこいい をコンセプトにしたスタイル
   ========================================================= */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;600;700&family=Cinzel:wght@400;600;700&family=Cinzel+Decorative:wght@400;700&display=swap');

/* ---------- CSS変数 ---------- */
:root {
  --col-bg: #07080f;
  --col-bg2: #0d1120;
  --col-surface: #111828;
  --col-surface2: #1a2235;
  --col-border: #2a3a5a;
  --col-border2: #3d527a;
  --col-gold: #c9a84c;
  --col-gold2: #e8c96a;
  --col-gold-dim: #7a6030;
  --col-teal: #3db8c8;
  --col-teal-dim: #1a5a66;
  --col-fire: #e05a20;
  --col-fire2: #f08020;
  --col-divine: #9b7fe8;
  --col-text: #c8d4e8;
  --col-text-dim: #7a8aaa;
  --col-text-mute: #3a4a6a;
  --col-high: #4db868;
  --col-mid: #c9a84c;
  --col-low: #c05050;

  --font-ja: 'Noto Serif JP', serif;
  --font-en: 'Cinzel', serif;
  --font-en-d: 'Cinzel Decorative', cursive;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;

  --shadow-glow-gold: 0 0 20px rgba(201, 168, 76, .25), 0 0 60px rgba(201, 168, 76, .08);
  --shadow-glow-teal: 0 0 20px rgba(61, 184, 200, .2), 0 0 60px rgba(61, 184, 200, .06);
}

/* ---------- リセット・ベース ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--col-bg);
  color: var(--col-text);
  font-family: var(--font-ja);
  font-weight: 300;
  line-height: 1.9;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ---------- キャンバス背景 ---------- */
#dragonCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.bg-overlay {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 20% 50%, rgba(61, 184, 200, .04) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 80% 30%, rgba(201, 168, 76, .04) 0%, transparent 70%),
    linear-gradient(180deg, rgba(7, 8, 15, .6) 0%, rgba(7, 8, 15, .2) 50%, rgba(7, 8, 15, .8) 100%);
  z-index: 1;
  pointer-events: none;
}

/* ---------- メインコンテンツ ---------- */
.site-main {
  position: relative;
  z-index: 2;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* ---------- ヘッダー ---------- */
.site-header {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 80px 24px 60px;
  overflow: hidden;
}

.header-inner {
  position: relative;
  z-index: 2;
}

.site-title-wrap {
  position: relative;
  z-index: 1;
}

.site-title-wrap::before {
  content: attr(data-bg-text);
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-en-d);
  font-size: clamp(4rem, 18vw, 12rem);
  font-weight: 700;
  color: rgba(201, 168, 76, 0.04);
  white-space: nowrap;
  z-index: -1;
  pointer-events: none;
  letter-spacing: 0.15em;
  user-select: none;
  /* 少しだけグラデーションで上部を明るく */
  background: linear-gradient(180deg, rgba(201, 168, 76, 0.08) 0%, rgba(201, 168, 76, 0) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  /* 2. 背景英字のシネマティックアニメーション */
  animation: bgTextDrift 20s ease-in-out infinite alternate;
}

@keyframes bgTextDrift {
  from {
    transform: translate(-50%, -50%) scale(1);
  }

  to {
    transform: translate(-50%, -50%) scale(1.05);
  }
}

/* 4. 魔法陣・刻印のような円形の装飾 */
.site-title-wrap::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 400px;
  height: 400px;
  margin-top: -200px;
  margin-left: -200px;
  z-index: -2;
  pointer-events: none;
  border-radius: 50%;
  border: 1px solid rgba(201, 168, 76, 0.15);
  background:
    radial-gradient(circle at center, transparent 48%, rgba(201, 168, 76, 0.08) 50%, transparent 52%),
    repeating-conic-gradient(from 0deg, transparent 0deg, transparent 15deg, rgba(201, 168, 76, 0.03) 15deg, rgba(201, 168, 76, 0.03) 30deg);
  mask-image: radial-gradient(circle at center, black 40%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 70%);
  animation: magicCircleRotate 60s linear infinite;
}

@keyframes magicCircleRotate {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.site-eyebrow {
  font-family: var(--font-en);
  font-size: .75rem;
  letter-spacing: .4em;
  color: var(--col-teal);
  text-transform: uppercase;
  margin-bottom: 12px;
  opacity: .8;
}

.site-title {
  font-family: var(--font-en-d);
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 700;
  letter-spacing: .15em;

  /* 1. 文字への「金属・炎」テクスチャ適用 */
  background: linear-gradient(135deg, #fffdf2 0%, #e8c96a 30%, #c9a84c 60%, #e05a20 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;

  text-shadow:
    0 0 30px rgba(201, 168, 76, .6),
    0 0 80px rgba(201, 168, 76, .25),
    0 2px 4px rgba(0, 0, 0, .8);
  line-height: 1.1;
  animation: titlePulse 4s ease-in-out infinite alternate;
}

@keyframes titlePulse {
  from {
    text-shadow: 0 0 30px rgba(201, 168, 76, .6), 0 0 80px rgba(201, 168, 76, .25), 0 2px 4px rgba(0, 0, 0, .8);
  }

  to {
    text-shadow: 0 0 50px rgba(201, 168, 76, .9), 0 0 120px rgba(201, 168, 76, .4), 0 2px 4px rgba(0, 0, 0, .8);
  }
}

.site-subtitle {
  font-family: var(--font-ja);
  font-size: 1rem;
  letter-spacing: .5em;
  color: var(--col-text-dim);
  margin-top: 10px;
  margin-bottom: 32px;
}

.site-notice {
  display: inline-block;
  font-size: .72rem;
  color: var(--col-text-mute);
  letter-spacing: .06em;
  line-height: 1.7;
  border: 1px solid var(--col-border);
  padding: 10px 20px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .02);
}

.header-deco {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 280px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--col-gold-dim), var(--col-gold), var(--col-gold-dim), transparent);
}

/* ---------- 目次 ---------- */
.toc-section {
  margin: 0 auto 80px;
  padding: 48px 40px 40px;
  background:
    radial-gradient(circle at 50% 0%, rgba(201, 168, 76, 0.05), transparent 70%),
    linear-gradient(135deg, #111625 0%, #0a0d16 100%);
  border: 1px solid #2a334a;
  position: relative;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.toc-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--col-teal), var(--col-gold), var(--col-teal), transparent);
}

.toc-section::after {
  content: 'CODEX';
  position: absolute;
  right: 24px;
  top: 18px;
  font-family: var(--font-en);
  font-size: .65rem;
  letter-spacing: .35em;
  color: var(--col-text-mute);
  opacity: .4;
}

.toc-title {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--col-border);
}

.toc-title-ja {
  font-family: var(--font-ja);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .25em;
  color: var(--col-gold);
}

.toc-title-en {
  font-family: var(--font-en);
  font-size: .7rem;
  letter-spacing: .3em;
  color: var(--col-text-mute);
}

.toc-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

@media (max-width: 600px) {
  .toc-columns {
    grid-template-columns: 1fr;
  }

  .toc-section {
    padding: 28px 20px;
  }
}

.toc-col-heading {
  font-family: var(--font-ja);
  font-size: .78rem;
  font-weight: 400;
  letter-spacing: .3em;
  color: var(--col-teal);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--col-border);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.toc-link {
  display: inline-block;
  font-family: var(--font-ja);
  font-size: .92rem;
  color: var(--col-text-dim);
  text-decoration: none;
  letter-spacing: .1em;
  padding: 4px 0 4px 18px;
  position: relative;
  transition: color .2s, padding-left .2s;
}

.toc-link::before {
  content: '›';
  position: absolute;
  left: 4px;
  color: var(--col-gold-dim);
  transition: color .2s, left .2s;
}

.toc-link:hover {
  color: var(--col-gold2);
  padding-left: 24px;
}

.toc-link:hover::before {
  color: var(--col-gold);
  left: 8px;
}

/* ---------- セクション見出し ---------- */
.content-section {
  margin-bottom: 80px;
}

.section-label-wrap {
  margin-bottom: 48px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--col-border);
  position: relative;
}

.section-label-wrap::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--col-gold), transparent);
}

.section-label-en {
  display: block;
  font-family: var(--font-en);
  font-size: .65rem;
  letter-spacing: .45em;
  color: var(--col-teal);
  margin-bottom: 8px;
  opacity: .8;
}

.section-heading-ja {
  font-family: var(--font-ja);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--col-gold);
}

/* ---------- 竜カード ---------- */
.dragon-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0;
  margin-bottom: 60px;
  background:
    radial-gradient(circle at top left, rgba(201, 168, 76, 0.04), transparent 40%),
    linear-gradient(135deg, #0e111a 0%, #080a10 100%);
  border: 1px solid #2a3142;
  border-radius: 0;
  /* 図録らしくシャープに */
  overflow: hidden;
  position: relative;
  transition: border-color .4s, box-shadow .4s;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* ノートの1ページのような素材感（微細なテクスチャ） */
.dragon-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg,
      rgba(255, 255, 255, 0.005) 0px,
      rgba(255, 255, 255, 0.005) 1px,
      transparent 1px,
      transparent 24px);
  /* 方眼紙・罫線のようなうっすらとしたライン */
  pointer-events: none;
  z-index: 1;
}

/* C: 生命の息吹（パルス）エフェクト */
.dragon-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(61, 184, 200, 0.05) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
}

.dragon-card:nth-of-type(odd)::after {
  animation: cardPulseBreath 14s ease-in-out infinite alternate -6s;
}

.dragon-card:nth-of-type(even)::after {
  animation: cardPulseBreath 11s ease-in-out infinite alternate -2s;
}

.dragon-card--divine::after {
  background: radial-gradient(ellipse at 50% 50%, rgba(155, 127, 232, 0.08) 0%, transparent 60%);
}

@keyframes cardPulseBreath {
  0% {
    opacity: 0.1;
  }

  100% {
    opacity: 1;
  }
}

/* レイアウトのわずかな「ゆらぎ」 */
@media (min-width: 961px) {
  .dragon-card:nth-of-type(odd) {
    transform: rotate(-0.3deg);
  }

  .dragon-card:nth-of-type(even) {
    transform: rotate(0.2deg);
  }
}

.dragon-card:hover {
  border-color: #3a425a;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

.dragon-card--divine {
  border-color: rgba(155, 127, 232, .4);
}

.dragon-card--divine:hover {
  border-color: rgba(155, 127, 232, .7);
  box-shadow: 0 0 30px rgba(155, 127, 232, .2), 0 0 80px rgba(155, 127, 232, .07);
}

/* カード：画像 */
.card-image-wrap {
  position: relative;
  overflow: hidden;
}

.card-image-placeholder {
  width: 100%;
  height: 100%;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0d1628 0%, #131e35 100%);
  border-right: 1px solid var(--col-border);
  position: relative;
  overflow: hidden;
}

.card-image-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 40%, rgba(61, 184, 200, .08) 0%, transparent 65%),
    repeating-linear-gradient(135deg,
      transparent 0px,
      transparent 20px,
      rgba(255, 255, 255, .012) 20px,
      rgba(255, 255, 255, .012) 21px);
}

.card-image-placeholder--divine::before {
  background:
    radial-gradient(circle at 50% 40%, rgba(155, 127, 232, .15) 0%, transparent 65%),
    repeating-linear-gradient(135deg, transparent 0px, transparent 20px, rgba(255, 255, 255, .012) 20px, rgba(255, 255, 255, .012) 21px);
}

.card-image-placeholder--fire::before {
  background:
    radial-gradient(circle at 50% 40%, rgba(224, 90, 32, .12) 0%, transparent 65%),
    repeating-linear-gradient(135deg, transparent 0px, transparent 20px, rgba(255, 255, 255, .012) 20px, rgba(255, 255, 255, .012) 21px);
}

.placeholder-icon {
  font-family: var(--font-ja);
  font-size: 3rem;
  font-weight: 700;
  color: var(--col-gold-dim);
  opacity: .45;
  position: relative;
  z-index: 1;
  text-shadow: 0 0 20px rgba(201, 168, 76, .3);
}

.card-image-placeholder--divine .placeholder-icon {
  color: var(--col-divine);
  opacity: .5;
  text-shadow: 0 0 20px rgba(155, 127, 232, .4);
}

.card-image-placeholder--fire .placeholder-icon {
  color: var(--col-fire);
  opacity: .5;
  text-shadow: 0 0 20px rgba(224, 90, 32, .4);
}

.placeholder-text {
  font-family: var(--font-en);
  font-size: .6rem;
  letter-spacing: .35em;
  color: var(--col-text-mute);
  margin-top: 10px;
  position: relative;
  z-index: 1;
}

.card-image-placeholder img {
  display: none;
}

/* カード：ボディ */
.card-body {
  padding: 32px 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 2;
  /* 息吹エフェクトより前面に出す */
}


.card-header {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--col-border);
}

.card-name {
  font-family: var(--font-ja);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--col-gold2);
  text-shadow: 0 0 20px rgba(201, 168, 76, .3);
}

.card-name-ruby {
  font-family: var(--font-ja);
  font-size: .72rem;
  color: var(--col-text-mute);
  letter-spacing: .15em;
}

.card-species-badge {
  font-family: var(--font-ja);
  font-size: .7rem;
  letter-spacing: .15em;
  color: var(--col-teal);
  border: 1px solid var(--col-teal-dim);
  padding: 2px 10px;
  border-radius: 20px;
  background: rgba(61, 184, 200, .07);
}

/* カード：ステータス */
.card-stats {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stat-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: .875rem;
}

.stat-label {
  font-family: var(--font-ja);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--col-teal);
  font-weight: 400;
  white-space: nowrap;
  padding-top: 2px;
  position: relative;
}

.stat-label::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 1px;
  background: var(--col-border2);
  margin-left: 8px;
  vertical-align: middle;
}

.stat-value {
  color: var(--col-text);
  font-size: .875rem;
  line-height: 1.7;
}

.stat-value.stat-high {
  color: var(--col-high);
}

.stat-value.stat-mid {
  color: var(--col-mid);
}

.stat-value.stat-low {
  color: var(--col-low);
}

/* ---------- 名前付き個体セクション ---------- */
.content-section--named .section-label-wrap::after {
  background: linear-gradient(90deg, var(--col-teal), transparent);
}

.content-section--named .section-heading-ja {
  color: var(--col-teal);
}

.named-card {
  border-color: rgba(61, 184, 200, .25);
}

.named-card:hover {
  border-color: rgba(61, 184, 200, .5);
  box-shadow: var(--shadow-glow-teal);
}

/* ---------- レスポンシブ：カード ---------- */
@media (max-width: 680px) {
  .dragon-card {
    grid-template-columns: 1fr;
  }

  .card-image-placeholder {
    min-height: 140px;
    border-right: none;
    border-bottom: 1px solid var(--col-border);
  }

  .card-body {
    padding: 20px 16px;
  }

  .stat-row {
    grid-template-columns: 90px 1fr;
  }
}

/* ---------- フッター ---------- */
.site-footer {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 24px;
  border-top: 1px solid var(--col-border);
}

.footer-text {
  font-size: .75rem;
  color: var(--col-text-mute);
  letter-spacing: .1em;
  margin-bottom: 8px;
}

.footer-copy {
  font-family: var(--font-en);
  font-size: .65rem;
  letter-spacing: .25em;
  color: var(--col-text-mute);
  opacity: .5;
}

/* ---------- TOPへ戻るボタン ---------- */
.to-top-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 100;
  width: 50px;
  height: 50px;
  border: 1px solid var(--col-border2);
  border-radius: 50%;
  background: rgba(17, 24, 40, 0.9);
  color: var(--col-gold);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  backdrop-filter: blur(8px);
  transition: opacity .3s, transform .3s, border-color .3s, box-shadow .3s;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 2px 16px rgba(0, 0, 0, .5);
}

.to-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
}

.to-top-btn:hover {
  border-color: var(--col-gold);
  box-shadow: var(--shadow-glow-gold);
  transform: translateY(-3px);
}

.to-top-icon {
  display: block;
  line-height: 1;
}

/* ---------- スクロールバー ---------- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--col-bg2);
}

::-webkit-scrollbar-thumb {
  background: var(--col-border2);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--col-gold-dim);
}

/* ---------- セレクション ---------- */
::selection {
  background: rgba(201, 168, 76, .25);
  color: var(--col-gold2);
}