@charset "UTF-8";
/**
 * base.scss
 * 全体統括用ファイル
 */
/**
 * _variables.scss
 * 色、余白、フォント等の定数管理
 */
:root {
  /* Colors */
  --color-black: #000000;
  --color-dark-gray: #0a0a0a;
  --color-dark-blue: #010004;
  --color-text-main: #eeeeee;
  --color-text-muted: #aaaaaa;
  --color-accent: #7b92b2;
  --color-accent-secondary: #cfd391;
  --color-accent-secondary-half: #cfd39185;
  --color-text-link: #d2ccaf;
  --color-text-link-violet: #c8bfff;
  --color-text-link-violet-hover: #e2dbff;
  --glow-violet-core: rgba(210, 185, 255, 0.9);
  --glow-violet-inner: rgba(180, 150, 255, 0.7);
  --glow-violet-mid: rgba(140, 100, 255, 0.45);
  --glow-violet-outer: rgba(100, 60, 220, 0.2);
  --color-bg-nebula-purple: rgba(88, 52, 160, 0.28);
  --color-bg-nebula-blue: rgba(28, 52, 120, 0.22);
  --color-bg-core-gold: rgba(160, 130, 60, 0.09);
  /* Typography */
  --font-serif: 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-accent: 'Cinzel', serif;
  /* Spacing (rem) */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  /* Effects */
  --transition-speed: 0.8s;
}

/**
 * _mixins.scss
 * レスポンシブ対応用
 */
/**
 * _reset.scss
 * 基本的なブラウザスタイルの初期化
 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  background-color: var(--color-dark-blue);
  background-image: radial-gradient(ellipse 80% 60% at 15% 20%, #0d0622 0%, transparent 65%), radial-gradient(ellipse 60% 50% at 85% 75%, #07091a 0%, transparent 60%), radial-gradient(ellipse 100% 80% at 50% 50%, #030110 0%, #010004 100%);
  background-attachment: fixed;
  color: var(--color-text-main);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1.8;
  letter-spacing: 0.05em;
  -webkit-font-smoothing: antialiased;
  word-break: break-word;
  overflow-x: hidden;
  position: relative;
}
body::before, body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}
body::before {
  background: radial-gradient(ellipse 55% 40% at 12% 18%, rgba(88, 52, 160, 0.28) 0%, rgba(55, 28, 110, 0.12) 45%, transparent 70%), radial-gradient(ellipse 50% 45% at 88% 80%, rgba(28, 52, 120, 0.22) 0%, rgba(14, 30, 80, 0.1) 50%, transparent 72%), radial-gradient(ellipse 30% 20% at 62% 38%, rgba(160, 130, 60, 0.09) 0%, transparent 65%), linear-gradient(118deg, transparent 20%, rgba(140, 100, 220, 0.05) 38%, rgba(180, 150, 255, 0.07) 45%, transparent 62%);
}
body::after {
  background-image: radial-gradient(rgba(255, 255, 255, 0.95) 1px, transparent 1px), radial-gradient(rgba(200, 210, 255, 0.8) 1.5px, transparent 1.5px), radial-gradient(rgba(255, 255, 255, 0.6) 1px, transparent 1px), radial-gradient(rgba(255, 245, 200, 0.5) 0.8px, transparent 0.8px), radial-gradient(rgba(255, 255, 255, 0.35) 1px, transparent 1px);
  background-size: 130px 130px, 200px 200px, 280px 280px, 95px 95px, 170px 170px;
  background-position: 0 0, 48px 72px, 140px 28px, 82px 155px, 210px 60px;
  opacity: 0.65;
  transform: rotate(8deg) scale(1.12);
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.3s;
}
a:hover {
  opacity: 0.7;
}
a.text-link {
  font-weight: 600;
  color: var(--color-text-link);
  text-shadow: 0 0 8px rgba(220, 200, 140, 0.55), 0 0 20px rgba(190, 165, 100, 0.25);
  transition: color 0.5s ease, text-shadow 0.5s ease;
}
a.text-link:hover {
  opacity: 1;
  color: var(--color-text-link-hover);
  text-shadow: 0 0 6px var(--glow-gold-core), 0 0 18px var(--glow-gold-inner), 0 0 40px var(--glow-gold-mid), 0 0 70px var(--glow-gold-outer);
}

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

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

/**
 * _layout.scss
 * 全体の構造
 */
.p-header {
  text-align: center;
  margin-bottom: calc(var(--space-sm) * 10);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-speed), transform var(--transition-speed);
  position: relative;
}
.p-header::before, .p-header::after {
  -webkit-text-fill-color: initial;
  display: inline-block;
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}
.p-header.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.p-header__title {
  font-family: var(--font-accent);
  font-weight: 300;
  font-size: 2rem;
  letter-spacing: 0.3em;
  color: var(--color-text-main);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.no-menu .p-header {
  display: none;
}

[data-event=christmas].p-header__title {
  background: linear-gradient(45deg, #d32f2f, #ffffff, #388e3c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-event=christmas].p-header__title::before {
  content: "🎄";
  margin-right: 0.3em;
  transform: translateY(-2px);
}
[data-event=christmas].p-header__title::after {
  content: "⛄";
  margin-left: 0.3em;
}

[data-event=newyear].p-header__title {
  background: linear-gradient(135deg, #d32f2f 30%, #ffd700 70%, #ffffff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-event=newyear].p-header__title::before {
  content: "🎍";
  margin-right: 0.3em;
}
[data-event=newyear].p-header__title::after {
  content: "🌅";
  margin-left: 0.3em;
}

[data-event=spring].p-header__title {
  color: #f48fb1;
}
[data-event=spring].p-header__title::before, [data-event=spring].p-header__title::after {
  content: "🌸";
  width: 12px;
  height: 12px;
}
[data-event=spring].p-header__title::before {
  margin-right: 0.3em;
  margin-bottom: 5px;
  animation: flutter-before 3s ease-in-out infinite alternate;
}
[data-event=spring].p-header__title::after {
  margin-left: 0.3em;
  margin-top: 5px;
  animation: flutter-after 4s ease-in-out infinite alternate-reverse;
}

[data-event=festival].p-header__title::before {
  content: "🏮";
  margin-right: 0.3em;
  transform-origin: top center;
  animation: swing 3s ease-in-out infinite;
}
[data-event=festival].p-header__title::after {
  content: "🎆";
  margin-left: 0.3em;
}

[data-event=halloween].p-header__title {
  background: linear-gradient(to right, #ff9800, #9c27b0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-event=halloween].p-header__title::before {
  content: "🎃";
  margin-right: 0.3em;
}
[data-event=halloween].p-header__title::after {
  content: "👻";
  margin-left: 0.3em;
  animation: float 2.5s ease-in-out infinite;
}

@keyframes swing {
  0%, 100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(10deg);
  }
  75% {
    transform: rotate(-10deg);
  }
}
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}
@keyframes flutter {
  0% {
    transform: translateY(0) rotate(45deg);
  }
  100% {
    transform: translateY(-8px) rotate(60deg);
  }
}
.p-nav {
  display: flex;
  justify-content: center;
  gap: calc(var(--space-sm) * 2);
  list-style: none;
}
.p-nav__link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  transition: color 0.3s ease;
}
.p-nav__link:hover {
  color: var(--color-text-main);
}
.p-nav__button {
  color: var(--color-text-muted);
}

.no-menu .p-nav {
  display: none;
}

.p-footer {
  margin-top: calc(var(--space-sm) * 10);
  text-align: center;
  padding-bottom: calc(var(--space-sm) * 4);
  border-top: none;
}
.p-footer__copy {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
}

.l-container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: calc(var(--space-sm) * 6) var(--space-md);
}

.l-main {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.l-footer {
  padding: var(--space-lg) 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/**
 * _layout.scss への追記分
 * .p-footer の既存定義に __pagetop を追加する
 *
 * 既存の .p-footer ブロック内に以下を追記してください。
 * または _layout.scss の末尾に貼り付けても動作します。
 */
.p-footer__pagetop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5em;
  width: -moz-fit-content;
  width: fit-content;
  margin: 0 auto calc(var(--space-sm) * 2);
  color: var(--color-text-muted);
  text-decoration: none;
  opacity: 0;
  transform: translateY(6px);
  transition: color 0.3s ease, opacity 0.6s ease, transform 0.6s ease;
}
.is-scrolled .p-footer__pagetop {
  opacity: 1;
  transform: translateY(0);
}
.p-footer__pagetop:hover {
  color: var(--color-text-main);
  opacity: 1;
}
.p-footer__pagetop:hover .p-footer__pagetop-arrow {
  transform: translateY(-4px);
}
.p-footer__pagetop-arrow {
  display: block;
  position: relative;
  width: 24px;
  height: 24px;
  transition: transform 0.3s ease;
}
.p-footer__pagetop-arrow::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: currentColor;
  transform: translateX(-50%);
}
.p-footer__pagetop-arrow::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 4px;
  width: 8px;
  height: 8px;
  border-top: 1px solid currentColor;
  border-left: 1px solid currentColor;
  transform: translateX(-50%) rotate(45deg);
}

.p-info {
  transform: translateY(15px);
  display: flex;
  align-items: flex-start;
  gap: 0.8em;
  padding: calc(var(--space-sm) * 1.25) calc(var(--space-sm) * 1.5);
  border: 1px solid rgba(255, 255, 255, 0.2);
  margin-bottom: var(--space-sm);
}
.p-info::before {
  content: "info";
  display: block;
  flex-shrink: 0;
  font-size: 0.65rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  padding-top: 0.25em;
}
.p-info__text {
  font-size: 0.8rem;
  color: var(--color-text-main);
  line-height: 1.8;
  letter-spacing: 0.06em;
}

/**
 * component/_auth.scss
 */
.p-auth {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.p-auth .p-header {
  margin-bottom: calc(var(--space-sm));
}
.p-auth .p-header__title {
  margin-top: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.p-auth__container {
  width: 100%;
  max-width: 400px;
  text-align: center;
}
.p-auth__label {
  display: block;
  font-size: 0.7rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  margin-bottom: var(--space-sm);
}
.p-auth__input-group {
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: border-color 0.4s ease;
}
.p-auth__input-group:focus-within {
  border-bottom-color: var(--color-accent);
}
.p-auth input[type=password] {
  width: 100%;
  padding: 1rem 3rem 1rem 0;
  background: transparent;
  border: none;
  color: var(--color-text-main);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  outline: none;
}
.p-auth input[type=password]::-moz-placeholder {
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: normal;
}
.p-auth input[type=password]::placeholder {
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: normal;
}
.p-auth__submit {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  padding: 0.5rem;
  opacity: 0.6;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.p-auth__submit:hover {
  opacity: 1;
  transform: translateY(-50%) translateX(4px);
}
.p-auth__arrow {
  width: 20px;
  height: 20px;
  fill: var(--color-text-main);
}
.p-auth__error {
  margin-top: var(--space-sm);
  font-size: 0.8rem;
  color: #d16b6b;
  min-height: 1.2em;
}

.p-auth__input-group input.is-error {
  border-bottom: 1px solid #d16b6b;
  animation: shake 0.4s;
}

/**
 * 古の隠し要素ギミック　
 */
.p-secret-area {
  margin-top: 0;
  padding-bottom: var(--space-md);
  text-align: center;
}
.p-secret-trigger {
  display: inline-block;
  color: var(--color-black);
}
.p-secret-trigger::-moz-selection, .p-secret-trigger *::-moz-selection {
  background: rgba(255, 255, 255, 0.25);
}
.p-secret-trigger::selection,
.p-secret-trigger *::selection {
  background: rgba(255, 255, 255, 0.25);
}
.p-secret-icon {
  width: 18px;
  height: 18px;
  fill: transparent;
  cursor: pointer;
  transition: transform 0.3s ease, filter 0.5s ease;
}
.p-secret-icon:hover {
  transform: scale(1.1);
}
.p-secret-subtext {
  font-size: 0.8rem;
  color: var(--color-black);
}
.p-secret-content {
  margin-top: 15px;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: #fff;
  opacity: 0;
  transition: opacity 1.2s ease;
  pointer-events: none;
}
.p-secret-content.is-active {
  opacity: 0.3;
}

.p-auth__disclaimer {
  margin-top: 60px;
  padding: 20px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.p-auth__disclaimer-inner {
  max-width: 500px;
  margin: 0 auto;
}
.p-auth__disclaimer .u-en {
  font-size: 10px;
  letter-spacing: 0.2em;
  margin-bottom: 4px;
  text-transform: uppercase;
}
.p-auth__disclaimer .u-jp {
  font-size: 9px;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.p-auth__disclaimer-detail {
  font-size: 9px;
  line-height: 1.8;
}
.p-auth__disclaimer-detail p {
  margin-bottom: 15px;
}
.p-auth__disclaimer-detail p:last-child {
  margin-bottom: 0;
}

@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}
/**
 * _panel.scss
 * カテゴリ一覧・コンテンツ一覧のパネル群
 *
 * 構成:
 *   %fade-in-base       … フェードイン共通アニメーション
 *   %label-base         … ラベル文字スタイルの共通定義
 *   .p-category-list    … グリッドレイアウト
 *   .p-category-header  … カテゴリページの見出しブロック
 *   .p-category-item    … コンテンツパネル（タグリスト含む）
 */
.general, .info-links, .infobox, .p-content-footer, .p-series, .c-viewer, .p-content-header, .p-category-item, .p-category-header, .p-info {
  opacity: 0;
  transition: opacity var(--transition-speed), transform var(--transition-speed);
}
.is-visible.general, .is-visible.info-links, .is-visible.infobox, .is-visible.p-content-footer, .is-visible.p-series, .is-visible.c-viewer, .is-visible.p-content-header, .is-visible.p-category-item, .is-visible.p-category-header, .is-visible.p-info {
  opacity: 1;
  transform: translateY(0);
}

.info-links__label, .infobox__label, .p-series__item-num, .p-series__label, .p-category-item__label, .p-category-header__label {
  display: block;
  font-size: 0.7rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.p-category-list {
  display: grid;
  gap: calc(var(--space-sm) * 4);
}
.p-category-list + .p-category-list {
  margin-top: calc(var(--space-xl) * 2);
}
.p-category-list__title {
  font-family: var(--font-accent);
  letter-spacing: 0.3em;
  font-size: 1.5rem;
}

.p-category-header {
  transform: translateY(15px);
  margin-bottom: calc(var(--space-sm) * 6);
  padding-bottom: calc(var(--space-sm) * 3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.p-category-header__label {
  margin-bottom: var(--space-xs);
}
.p-category-header__title {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-text-main);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}
.p-category-header__desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.9;
}

.p-category-item {
  transform: translateY(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: calc(var(--space-sm) * 2);
}
.p-category-item__link {
  display: block;
  color: inherit;
  text-decoration: none;
}
.p-category-item__label {
  margin-bottom: 0.5rem;
}
.p-category-item__title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 0.5rem;
}
.p-category-item__desc {
  font-size: 1rem;
  color: var(--color-text-main);
  max-width: 100%;
}
.p-category-item:hover .p-tag {
  color: var(--color-accent);
  border-color: rgba(123, 146, 178, 0.4);
}

.p-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  list-style: none;
  margin-top: calc(var(--space-sm) * 1.25);
}

.p-tag {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.2em 0.75em;
  border-radius: 2px;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.p-category-item__pages {
  list-style: none;
  margin-top: calc(var(--space-sm) * 1.5);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: calc(var(--space-sm) * 1.5);
  color: var(--color-text-main);
}

.p-category-item__page + .p-category-item__page {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.p-category-item__page-link {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-sm);
  padding: 0.5em 0;
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}
.p-category-item__page-link:hover {
  color: var(--color-accent);
}

.p-category-item__page-subtitle {
  font-size: 0.85rem;
  color: inherit;
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}
.p-category-item__page-link:hover .p-category-item__page-subtitle {
  color: var(--color-accent);
}

.p-category-item__page-subdesc {
  font-size: 0.75rem;
  color: inherit;
  opacity: 0.6;
  white-space: nowrap;
  flex-shrink: 0;
}

/**
 * component/_viewer.scss
 * コンテンツ表示エリア（選択・保存禁止等の制御）
 *
 * 追記: p-content-header / p-content-footer / c-viewer pager
 */
.p-page--content-detail .p-header {
  margin-bottom: 0;
}
.p-page--content-detail .l-main {
  padding-top: calc(var(--space-sm) * 3);
}

.p-content-header {
  transform: translateY(15px);
  margin-bottom: calc(var(--space-sm) * 3);
  padding-bottom: calc(var(--space-sm) * 3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.p-content-header__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.6em;
  margin-bottom: var(--space-sm);
}
.p-content-header__breadcrumb-link {
  font-size: 0.7rem;
  color: var(--color-accent);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  transition: color 0.3s ease;
}
.p-content-header__breadcrumb-link:hover {
  color: var(--color-text-main);
}
.p-content-header__breadcrumb-sep {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.2);
}
.p-content-header__breadcrumb-current {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.15em;
}
.p-content-header__title {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-text-main);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}
.p-content-header__desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: var(--space-sm);
}

.c-viewer {
  transform: translateY(20px);
  margin: 0 auto;
  letter-spacing: 0;
  max-width: 680px;
}
.c-viewer__page-header {
  margin-bottom: var(--space-sm);
}
.c-viewer__pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: calc(var(--space-sm) * 2.5);
  padding-top: calc(var(--space-sm) * 1.5);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.c-viewer__pager-btn {
  display: flex;
  align-items: center;
  gap: 0.5em;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-serif);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  cursor: pointer;
  padding: 0.4em 0.2em;
  transition: color 0.3s ease;
}
.c-viewer__pager-btn:hover:not(:disabled) {
  color: var(--color-text-main);
}
.c-viewer__pager-btn:disabled {
  opacity: 0.25;
  cursor: default;
}
.c-viewer__pager-label {
  text-transform: uppercase;
}
.c-viewer__pager-info {
  display: flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
}
.c-viewer__pager-sep {
  opacity: 0.4;
}
.c-viewer__page[hidden] {
  display: none;
}
.c-viewer__content {
  -moz-user-select: none;
       user-select: none;
  -webkit-user-select: none;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text-main);
  text-align: justify;
}
.c-viewer__content p {
  margin-bottom: 1.8em;
}
.c-viewer__content p:last-child {
  margin-bottom: 0;
}
.c-viewer__media-wrap {
  width: 100%;
  margin: 0 auto;
}
.c-viewer__image {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  filter: grayscale(100%);
  transition: filter 1s ease;
}
.c-viewer__image:hover {
  filter: grayscale(0%);
}
.c-viewer__image-caption {
  margin-top: var(--space-sm);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-align: right;
}
.c-viewer__media {
  margin: var(--space-lg) 0;
  filter: grayscale(100%);
  transition: filter 1s ease;
}
.c-viewer__media:hover {
  filter: grayscale(0%);
}
.c-viewer__meta {
  margin-top: var(--space-xl);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: right;
}

.p-series {
  transform: translateY(15px);
  margin-top: calc(var(--space-sm) * 6);
  padding-top: calc(var(--space-sm) * 3);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.p-series__header {
  display: flex;
  align-items: baseline;
  gap: 1em;
  margin-bottom: calc(var(--space-sm) * 1.5);
}
.p-series__label {
  display: inline;
}
.p-series__title {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
}
.p-series__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.p-series__item {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.p-series__item:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.p-series__item.is-current {
  pointer-events: none;
}
.p-series__item.is-current .p-series__item-num {
  color: var(--color-accent);
}
.p-series__item.is-current .p-series__item-title {
  color: var(--color-text-main);
}
.p-series__item.is-current::after {
  content: "—";
  font-size: 0.65rem;
  color: var(--color-accent);
  margin-left: auto;
  padding-right: 0.25em;
  letter-spacing: 0;
}
.p-series__item.is-current {
  padding: 0.85em 0.25em;
  gap: 1.2em;
}
.p-series__item-link {
  display: flex;
  align-items: center;
  gap: 1.2em;
  width: 100%;
  padding: 0.85em 0.25em;
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}
.p-series__item-link:hover .p-series__item-num,
.p-series__item-link:hover .p-series__item-title {
  color: var(--color-text-main);
}
.p-series__item-num {
  display: inline;
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: color 0.3s ease;
}
.p-series__item-title {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}

.p-content-footer {
  transform: translateY(15px);
  margin-top: calc(var(--space-sm) * 6);
  padding-top: calc(var(--space-sm) * 3);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.p-content-footer__next-link {
  text-align: right;
  margin-left: auto;
}
.p-content-footer__bottom {
  width: 100%;
  margin-top: 0.5rem;
}
.p-content-footer__back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.12em;
  transition: color 0.3s ease;
}
.p-content-footer__back-link:hover {
  color: var(--color-text-main);
}

.c-age-gate {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(1, 0, 4, 0.92);
}
.c-age-gate__dialog {
  width: 100%;
  max-width: 480px;
  padding: calc(var(--space-md) * 1.5) var(--space-md);
  margin: var(--space-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}
.c-age-gate__warning {
  font-size: 0.7rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  margin-bottom: var(--space-md);
}
.c-age-gate__text {
  font-size: 1rem;
  color: var(--color-text-main);
  line-height: 2;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}
.c-age-gate__terms {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  line-height: 1.8;
  margin-bottom: var(--space-md);
}
.c-age-gate__terms a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  transition: opacity 0.3s;
}
.c-age-gate__terms a:hover {
  opacity: 0.7;
}
.c-age-gate__buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}
.c-age-gate__btn {
  width: 100%;
  max-width: 280px;
  padding: 0.9em 1.5em;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: opacity 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.c-age-gate__btn--yes {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-text-main);
  background: none;
}
.c-age-gate__btn--yes:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.c-age-gate__btn--no {
  border: none;
  background: none;
  color: var(--color-text-muted);
  font-size: 0.75rem;
}
.c-age-gate__btn--no:hover {
  color: var(--color-text-main);
}
.c-age-gate__rejected {
  text-align: center;
  padding: var(--space-lg) 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  line-height: 2;
}
.c-age-gate__rejected a {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: opacity 0.3s;
}
.c-age-gate__rejected a:hover {
  opacity: 0.7;
}

.c-password-gate__field {
  margin-bottom: var(--space-md);
}
.c-password-gate__input {
  width: 100%;
  max-width: 280px;
  padding: 0.75em 1em;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-text-main);
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-align: center;
  outline: none;
  transition: border-color 0.3s ease;
}
.c-password-gate__input::-moz-placeholder {
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 0.2em;
}
.c-password-gate__input::placeholder {
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 0.2em;
}
.c-password-gate__input:focus {
  border-bottom-color: var(--color-accent);
}
.c-password-gate__input.is-error {
  border-bottom-color: rgba(255, 80, 80, 0.6);
}
.c-password-gate__input::-ms-reveal, .c-password-gate__input::-ms-clear {
  display: none;
}
.c-password-gate__error {
  margin-top: 0.75em;
  font-size: 0.7rem;
  color: rgba(255, 80, 80, 0.8);
  letter-spacing: 0.15em;
}
.c-password-gate__error[hidden] {
  display: none;
}
.c-password-gate__rejected {
  text-align: center;
  padding: var(--space-lg) 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  line-height: 2;
}
.c-password-gate__rejected a {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: opacity 0.3s;
}
.c-password-gate__rejected a:hover {
  opacity: 0.7;
}

/**
 * component/_about.scss
 * About ページ専用コンポーネント
 *
 * 構成:
 *   .infobox  … About Me セクション
 *   .links    … linksリスト
 */
.info-links, .infobox {
  transform: translateY(15px);
  padding-bottom: calc(var(--space-sm) * 3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: calc(var(--space-sm) * 4);
}

.infobox__header {
  margin-top: var(--space-lg);
  margin-bottom: calc(var(--space-sm) * 1.5);
}
.infobox__text {
  font-size: 1rem;
  color: var(--color-text-main);
  line-height: 2;
  letter-spacing: 0.06em;
}

.info-links__header {
  margin-bottom: calc(var(--space-sm) * 1.5);
}
.info-links__list {
  list-style: none;
  display: flex;
  flex-direction: column;
}
.info-links__item {
  display: grid;
  grid-template-columns: 5.5em auto 1fr;
  align-items: baseline;
  -moz-column-gap: 1em;
       column-gap: 1em;
  padding: 0.75em 0.2em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.info-links__item:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
@media (max-width: 480px) {
  .info-links__item {
    grid-template-columns: 5em 1fr;
    grid-template-rows: auto auto;
    row-gap: 0.15em;
  }
  .info-links__item .info-links__note {
    grid-column: 2/3;
    grid-row: 2/3;
  }
}
.info-links__service {
  font-size: 0.7rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  flex-shrink: 0;
}
.info-links__anchor {
  font-size: 0.9rem;
  color: var(--color-text-main);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
  white-space: nowrap;
}
.info-links__anchor:hover {
  color: var(--color-accent);
  opacity: 1;
}
.info-links__note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  line-height: 1.6;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
@media (max-width: 480px) {
  .info-links__note {
    white-space: normal;
  }
}

.data-list {
  display: flex;
  flex-direction: column;
  /* 直前に .data-list がある場合だけ margin-top を適用 */
}
.data-list + .data-list {
  margin-top: 0.5em;
}
.data-list {
  /* PC環境（横並び・左カラム固定）の指定 */
}
@media (min-width: 768px) {
  .data-list {
    flex-direction: row;
    gap: 0;
  }
}
.data-list__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  /* PC環境のみ固定幅と右マージンを適用 */
}
@media (min-width: 768px) {
  .data-list__label {
    width: 4em;
    margin-right: 1em;
    text-align: right;
    flex-shrink: 0; /* 文字が溢れても幅を縮ませないための指定 */
  }
}

.list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}
.list__item {
  font-size: 0.9rem;
  color: var(--color-text-main);
  letter-spacing: 0.05em;
  line-height: 1.6;
}

.image-list {
  list-style: none;
  padding-left: 0;
  margin: 1em 0;
  display: flex;
  gap: 1em;
}
.image-list__item {
  font-size: 0.9rem;
  color: var(--color-text-main);
  letter-spacing: 0.05em;
  line-height: 1.6;
}

.scrollable-box {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch; /* iOSでのスムーズスクロール */
  scrollbar-width: thin; /* Firefox用 */
  scrollbar-color: rgba(255, 255, 255, 0.3) transparent; /* Firefox用 */
}
.scrollable-box::-webkit-scrollbar {
  height: 6px; /* スクロールバーの高さ */
}
.scrollable-box::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.3); /* スクロールバーの色 */
  border-radius: 3px; /* スクロールバーの角丸 */
}
.scrollable-box::-webkit-scrollbar-track {
  background-color: transparent; /* スクロールバーの背景色 */
}

.general {
  transform: translateY(15px);
  padding-bottom: calc(var(--space-sm) * 3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: calc(var(--space-sm) * 4);
}
.general__header {
  margin-bottom: calc(var(--space-sm) * 1.5);
}
.general__label {
  display: block;
  font-size: 0.7rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}
.general__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.general__item {
  display: flex;
  flex-direction: column;
  gap: 0.4em;
  padding: 1em 0.25em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.general__item:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.general__term {
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  font-weight: 400;
}
.general__desc {
  font-size: 0.9rem;
  color: var(--color-text-main);
  line-height: 1.9;
  letter-spacing: 0.06em;
  margin: 0;
}

.new-tag {
  display: inline-block;
  font-size: 0.5rem;
  color: var(--color-accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  background-color: rgba(255, 255, 255, 0.05);
  padding: 0.1em 0.4em;
  margin-left: 1em;
  border: 1px solid var(--color-accent-secondary-half);
  position: relative;
  top: -2px; /* 上に1px。逆にズレる場合は 1px に */
}

.info-tag {
  display: inline-block;
  font-size: 0.5rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  background-color: rgba(255, 255, 255, 0.05);
  padding: 0.1em 0.4em;
  margin-left: 1em;
  border: 1px solid var(--color-accent);
  position: relative;
  top: -2px; /* 上に1px。逆にズレる場合は 1px に */
}

/**
 * component/_book.scss
 * Book ページ専用コンポーネント
 *
 * 構成:
 *   .infobox  … About Me セクション
 *   .links    … linksリスト
 */
.infobox, .info-links {
  transform: translateY(15px);
  padding-bottom: calc(var(--space-sm) * 3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: calc(var(--space-sm) * 4);
}

.book-image {
  max-width: 150px;
  height: auto;
}

.book-description {
  margin: 1.5em 0;
}

/* Global Animation */
.u-fade-in {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity var(--transition-speed) ease-out, transform var(--transition-speed) ease-out;
}
.u-fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}