/* H1セクション — テーマ上書き用スコープ: .arc-editing-h1-section
 * Web: 全幅グラデ／左コピー・右メディア
 * Mobile: 上メディア・下コピー（左揃え）
 */

/* ── ブロックラッパー：テーマの max-width / padding を解除して全幅 ── */
.wp-block-arc-editing-h1-section,
.wp-block-arc-editing-h1-section.alignfull,
.arc-editing-h1-section-host {
  box-sizing: border-box;
  width: 100vw !important;
  max-width: 100vw !important;
  margin-left: calc(50% - 50vw) !important;
  margin-right: calc(50% - 50vw) !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  float: none !important;
}

.wp-block-arc-editing-h1-section .arc-editing-h1-section.arc-h1-section {
  box-sizing: border-box;
}

/* ── セクション本体（3色はエディターで指定 → CSS変数） ── */
.arc-editing-h1-section.arc-h1-section {
  --arc-h1-color-1: #f9423a;
  --arc-h1-color-2: #fc9200;
  --arc-h1-color-3: #009ace;
  --arc-h1-bg-base: var(--arc-h1-color-2);
  --arc-h1-blob-1: rgba(255, 77, 109, 0.82);
  --arc-h1-blob-2: rgba(255, 138, 0, 0.8);
  --arc-h1-blob-3: rgba(88, 225, 255, 0.78);
  --arc-h1-display-max: clamp(2.65rem, 12vw, 4rem);
  --arc-h1-heading-max: clamp(1.55rem, 7vw, 2.25rem);
  --arc-h1-liquid-1-x: 28%;
  --arc-h1-liquid-1-y: 32%;
  --arc-h1-liquid-1-s: 48%;
  --arc-h1-liquid-2-x: 72%;
  --arc-h1-liquid-2-y: 38%;
  --arc-h1-liquid-2-s: 44%;
  --arc-h1-liquid-3-x: 48%;
  --arc-h1-liquid-3-y: 68%;
  --arc-h1-liquid-3-s: 52%;
  --arc-h1-blob-1-x: 22%;
  --arc-h1-blob-1-y: 28%;
  --arc-h1-blob-1-s: 52%;
  --arc-h1-blob-1-sc: 1;
  --arc-h1-blob-2-x: 78%;
  --arc-h1-blob-2-y: 32%;
  --arc-h1-blob-2-s: 58%;
  --arc-h1-blob-2-sc: 1;
  --arc-h1-blob-3-x: 50%;
  --arc-h1-blob-3-y: 72%;
  --arc-h1-blob-3-s: 54%;
  --arc-h1-blob-3-sc: 1;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: 100%;
  max-width: none;
  margin: 0;
  --arc-h1-inline-pad: clamp(1.4rem, 6vw, 2rem);
  /* ディスプレイ行上 ≒ テキスト下（フェード前）の余白 */
  --arc-h1-content-pad-y: clamp(0.75rem, 1.6vw, 1.25rem);
  /* フェード幅（中間値の半分） */
  --arc-h1-fade-size: clamp(2.625rem, 10.5vh, 6rem);
  --arc-h1-fade-start-px: calc(100% - var(--arc-h1-fade-size));
  --arc-h1-fade-end-px: 100%;
  padding: var(--arc-h1-content-pad-y) 0 0;
  background: transparent;
  --arc-h1-text: var(--arc-brand-on-dark-pure);
  --arc-h1-text-muted: rgba(255, 255, 255, 0.72);
  --arc-h1-text-sub: rgba(255, 255, 255, 0.82);
  color: var(--arc-h1-text);
  font-family: inherit;
  line-height: 1.55;
  text-align: left;
}

.arc-h1-section--empty {
  padding: 1rem;
  border: 1px dashed #c3c4c7;
  text-align: center;
  color: #646970;
  background: var(--arc-brand-surface-card);
}

/* 背景スタック：下辺のみフェード（参考: observatoire-culture.net ヒーロー） */
.arc-editing-h1-section .arc-h1-section__bg-stack {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(
    to bottom,
    #000 0,
    #000 var(--arc-h1-fade-start-px),
    transparent var(--arc-h1-fade-end-px)
  );
  mask-image: linear-gradient(
    to bottom,
    #000 0,
    #000 var(--arc-h1-fade-start-px),
    transparent var(--arc-h1-fade-end-px)
  );
}

/* グラデーション色面（エディターと同一・不透明のみ） */
.arc-editing-h1-section .arc-h1-section__colors {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  filter: saturate(1.14) brightness(1.06);
  background: linear-gradient(
    128deg,
    var(--arc-h1-color-1) 0%,
    var(--arc-h1-color-2) 48%,
    var(--arc-h1-color-3) 100%
  );
}

.arc-editing-h1-section .arc-h1-section__colors > * {
  position: absolute;
  pointer-events: none;
}

/* ベースグラデ（単色下地にしない＝アニメが見える） */
.arc-editing-h1-section .arc-h1-section__backdrop {
  inset: -25%;
  z-index: 0;
  background: linear-gradient(
    128deg,
    var(--arc-h1-color-1) 0%,
    var(--arc-h1-color-2) 48%,
    var(--arc-h1-color-3) 100%
  );
}

/* Liquid：中央 scale/rotate + radial の位置・サイズを JS で更新 */
.arc-editing-h1-section .arc-h1-section__motion {
  position: absolute;
  inset: -85%;
  z-index: 1;
  will-change: transform;
  transform: scale(1.18);
  transform-origin: 50% 50%;
}

.arc-editing-h1-section .arc-h1-section__motion > * {
  position: absolute;
  inset: 0;
}

.arc-editing-h1-section .arc-h1-section__wash {
  z-index: 1;
  opacity: 0.95;
  mix-blend-mode: normal;
  background:
    radial-gradient(
      circle var(--arc-h1-liquid-1-s) at var(--arc-h1-liquid-1-x) var(--arc-h1-liquid-1-y),
      var(--arc-h1-color-1) 0%,
      var(--arc-h1-color-1) 22%,
      transparent 58%
    ),
    radial-gradient(
      circle var(--arc-h1-liquid-2-s) at var(--arc-h1-liquid-2-x) var(--arc-h1-liquid-2-y),
      var(--arc-h1-color-3) 0%,
      var(--arc-h1-color-3) 20%,
      transparent 56%
    ),
    radial-gradient(
      circle var(--arc-h1-liquid-3-s) at var(--arc-h1-liquid-3-x) var(--arc-h1-liquid-3-y),
      var(--arc-h1-color-2) 0%,
      var(--arc-h1-color-2) 24%,
      transparent 54%
    );
}

.arc-editing-h1-section .arc-h1-section__mesh {
  z-index: 2;
  opacity: 0.82;
  filter: blur(40px);
  mix-blend-mode: normal;
  background:
    radial-gradient(
      circle calc(var(--arc-h1-liquid-1-s) * 0.85) at var(--arc-h1-liquid-2-x) var(--arc-h1-liquid-1-y),
      var(--arc-h1-color-2) 0%,
      transparent 65%
    ),
    radial-gradient(
      circle calc(var(--arc-h1-liquid-3-s) * 0.9) at var(--arc-h1-liquid-1-x) var(--arc-h1-liquid-3-y),
      var(--arc-h1-color-1) 0%,
      transparent 62%
    ),
    radial-gradient(
      circle calc(var(--arc-h1-liquid-2-s) * 0.8) at var(--arc-h1-liquid-3-x) var(--arc-h1-liquid-2-y),
      var(--arc-h1-color-3) 0%,
      transparent 60%
    );
}

.arc-editing-h1-section .arc-h1-section__ambient {
  z-index: 3;
  filter: blur(72px);
  opacity: 0.68;
  mix-blend-mode: normal;
  pointer-events: none;
}

/* ぼかしブロブ（色が当たって混ざる） */
.arc-editing-h1-section .arc-h1-section__blob {
  position: absolute;
  border-radius: 50%;
  opacity: 0.72;
  mix-blend-mode: normal;
  transform: translate(-50%, -50%);
  will-change: transform;
  pointer-events: none;
}

.arc-editing-h1-section .arc-h1-section__blob--1 {
  left: var(--arc-h1-blob-1-x);
  top: var(--arc-h1-blob-1-y);
  width: var(--arc-h1-blob-1-s);
  height: var(--arc-h1-blob-1-s);
  transform: translate(-50%, -50%) scale(var(--arc-h1-blob-1-sc, 1));
  max-width: 70vmin;
  max-height: 70vmin;
  background: radial-gradient(circle at 50% 50%, var(--arc-h1-color-1) 0%, transparent 68%);
}

.arc-editing-h1-section .arc-h1-section__blob--2 {
  left: var(--arc-h1-blob-2-x);
  top: var(--arc-h1-blob-2-y);
  width: var(--arc-h1-blob-2-s);
  height: var(--arc-h1-blob-2-s);
  transform: translate(-50%, -50%) scale(var(--arc-h1-blob-2-sc, 1));
  max-width: 75vmin;
  max-height: 75vmin;
  background: radial-gradient(circle at 50% 50%, var(--arc-h1-color-3) 0%, transparent 66%);
}

.arc-editing-h1-section .arc-h1-section__blob--3 {
  left: var(--arc-h1-blob-3-x);
  top: var(--arc-h1-blob-3-y);
  width: var(--arc-h1-blob-3-s);
  height: var(--arc-h1-blob-3-s);
  transform: translate(-50%, -50%) scale(var(--arc-h1-blob-3-sc, 1));
  max-width: 72vmin;
  max-height: 72vmin;
  background: radial-gradient(circle at 50% 50%, var(--arc-h1-color-2) 0%, transparent 64%);
}

/* ノイズ：PNG 固定・overlay */
.arc-editing-h1-section .arc-h1-section__noise {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  opacity: 0.26;
  mix-blend-mode: soft-light;
  background-color: transparent;
  background-repeat: repeat;
  background-size: 31.25rem 31.25rem;
  background-image: var(--arc-h1-noise-url, url("./noise-overlay.png"));
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* ── レイアウト ── */
.arc-editing-h1-section .arc-h1-section__inner {
  position: relative;
  z-index: 8;
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding-left: var(--arc-h1-inline-pad);
  padding-right: var(--arc-h1-inline-pad);
  padding-bottom: var(--arc-h1-fade-size);
  box-sizing: border-box;
}

.arc-editing-h1-section .arc-h1-section__right {
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 3vw, 1.5rem);
  width: 100%;
}

.arc-editing-h1-section .arc-h1-section__media {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  border-radius: clamp(1.25rem, 5vw, 1.75rem);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  flex-shrink: 0;
  box-shadow:
    0 0.5rem 1.25rem rgba(0, 0, 0, 0.14),
    0 0.2rem 0.5rem rgba(0, 0, 0, 0.06),
    0 0 0 0.0625rem rgba(255, 255, 255, 0.04);
}

.arc-editing-h1-section .arc-h1-section__lead-wrap {
  margin: 0;
  padding: 0;
}

.arc-editing-h1-section .arc-h1-section__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: clamp(0.45rem, 2vw, 0.75rem);
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0 0 var(--arc-h1-content-pad-y);
  box-sizing: border-box;
  overflow: visible;
  text-align: left !important;
}

.arc-editing-h1-section .arc-h1-section__head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  gap: 0;
}

.arc-editing-h1-section .arc-h1-section__display-line + .arc-h1-section__heading,
.arc-editing-h1-section .arc-h1-section__display-line + h1.arc-h1-section__heading {
  margin-top: clamp(0.85rem, 2.2vw, 1.35rem) !important;
}

.arc-editing-h1-section .arc-h1-section__divider {
  display: block;
  width: 100%;
  height: 1px;
  margin: clamp(1.25rem, 3vw, 1.85rem) 0 clamp(0.35rem, 1vw, 0.5rem);
  padding: 0;
  border: 0;
  background: rgba(255, 255, 255, 0.38);
}

/* モバイル：見出しブロックとリードの間（区切り線下の余白） */
@media (max-width: 767px) {
  .arc-editing-h1-section .arc-h1-section__copy:has(.arc-h1-section__lead-wrap) {
    gap: clamp(1.5rem, 4.2vw, 2.15rem);
  }

  .arc-editing-h1-section .arc-h1-section__head + .arc-h1-section__lead-wrap {
    margin-top: 0 !important;
  }
}

/* モバイル：上メディア → コピー（H1＋短文） */
.arc-editing-h1-section .arc-h1-section__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(1.25rem, 4vw, 1.75rem);
}

.arc-editing-h1-section .arc-h1-section__right {
  order: 1;
}

.arc-editing-h1-section .arc-h1-section__copy {
  order: 2;
}

.arc-editing-h1-section .arc-h1-section__image,
.arc-editing-h1-section .arc-h1-section__video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* テーマの h1 / p 上書き（左揃え・サイズ・余白リセット） */
.arc-editing-h1-section .arc-h1-section__section-label,
.arc-editing-h1-section p.arc-h1-section__section-label {
  margin: 0 !important;
  padding: 0 !important;
  text-align: left !important;
  font-family: inherit;
  font-size: clamp(0.68rem, 1.5vw, 0.78rem) !important;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  line-height: 1.4;
  color: var(--arc-h1-text-muted) !important;
}

.arc-editing-h1-section .arc-h1-section__display-line,
.arc-editing-h1-section p.arc-h1-section__display-line {
  margin: 0 !important;
  padding: 0 !important;
  width: 100%;
  text-align: left !important;
  font-family: Oswald, "Oswald", var(--font-family-oswald, inherit) !important;
  font-size: var(--arc-h1-display-max) !important;
  font-weight: inherit;
  /* 日本語 H1（1.12）の改行感覚に揃える（セクション既定 1.55 の継承をやめる） */
  line-height: 1.08 !important;
  letter-spacing: inherit;
  text-transform: inherit;
  color: var(--arc-h1-display-color, var(--arc-h1-text)) !important;
}

.arc-editing-h1-section h1.arc-h1-section__heading,
.arc-editing-h1-section .arc-h1-section__heading {
  margin: 0 !important;
  padding: 0 !important;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  text-align: left !important;
  font-family: inherit;
  font-weight: 700 !important;
  line-height: 1.12 !important;
  letter-spacing: 0.04em;
  color: var(--arc-h1-heading-color, var(--arc-h1-text)) !important;
  display: block;
}

.wp-block-arc-editing-h1-section .arc-editing-h1-section h1.arc-h1-section__heading--fit[data-arc-h1-fit="1"],
.wp-block-arc-editing-h1-section .arc-editing-h1-section .arc-h1-section__heading--fit[data-arc-h1-fit="1"],
.arc-editing-h1-section h1.arc-h1-section__heading--fit[data-arc-h1-fit="1"],
.arc-editing-h1-section .arc-h1-section__heading--fit[data-arc-h1-fit="1"] {
  --arc-h1-heading-fit-px: var(--arc-h1-heading-max);
  font-size: var(--arc-h1-heading-fit-px) !important;
  white-space: nowrap !important;
  max-width: 100%;
  overflow: visible;
  text-overflow: clip;
}

/* モバイル：即表示・サイズ固定（JSフィットなし＝表示後の縮小を防ぐ） */
@media (max-width: 767px) {
  .arc-editing-h1-section .arc-h1-section__heading--fit[data-arc-h1-fit="1"] {
    --arc-h1-heading-fit-px: min(var(--arc-h1-heading-max), 26px);
    font-size: var(--arc-h1-heading-fit-px) !important;
    white-space: normal !important;
    overflow-wrap: anywhere;
    word-break: normal;
    opacity: 1;
    visibility: visible;
  }
}

/* PC：1行フィット完了前のみ非表示（大きい初期サイズのフラッシュ防止） */
@media (min-width: 768px) {
  .arc-editing-h1-section.arc-h1-section--heading-fitting
    .arc-h1-section__heading--fit[data-arc-h1-fit="1"]:not([data-arc-h1-fitted]) {
    opacity: 0;
  }
}

.arc-editing-h1-section.arc-h1-section--heading-fitted .arc-h1-section__heading--fit[data-arc-h1-fit="1"],
.arc-h1-section__heading--fit[data-arc-h1-fit="1"][data-arc-h1-fitted="1"] {
  opacity: 1;
}

.arc-editing-h1-section .arc-h1-section__heading + .arc-h1-section__lead-wrap,
.arc-editing-h1-section h1.arc-h1-section__heading + .arc-h1-section__lead-wrap {
  margin-top: clamp(0.7rem, 2vw, 1.1rem) !important;
}

.arc-editing-h1-section .arc-h1-section__lead-wrap > .arc-h1-section__lead,
.arc-editing-h1-section .arc-h1-section__lead-wrap > p.arc-h1-section__lead,
.arc-editing-h1-section p.arc-h1-section__lead.arc-editing-multiline {
  margin: 0 !important;
  padding: 0 !important;
  max-width: 28rem;
  text-align: left !important;
  white-space: normal !important;
  color: var(--arc-h1-lead-color, var(--arc-h1-text-sub)) !important;
}

.arc-editing-h1-section .arc-h1-section__lead-wrap > p.arc-h1-section__lead:not(:first-child) {
  margin-top: var(--arc-editing-paragraph-gap, 1em) !important;
}

/* 明るい背景 → 黒系テキスト */
.arc-editing-h1-section.arc-h1-section--text-on-light {
  --arc-h1-text: var(--arc-brand-ink-black);
  --arc-h1-text-muted: rgba(0, 0, 0, 0.72);
  --arc-h1-text-sub: rgba(0, 0, 0, 0.88);
}

/* 暗い背景 → 白系テキスト（デフォルト変数と同じ） */
.arc-editing-h1-section.arc-h1-section--text-on-dark {
  --arc-h1-text: var(--arc-brand-on-dark-pure);
  --arc-h1-text-muted: rgba(255, 255, 255, 0.72);
  --arc-h1-text-sub: rgba(255, 255, 255, 0.82);
}

/* モーションは view.js のみ（backdrop / wash は固定） */

/* ブロックラッパー：テーマのグレー背景を無効化 */
.wp-block-arc-editing-h1-section,
.wp-block-arc-editing-h1-section.alignfull,
.arc-editing-h1-section-host {
  background: transparent !important;
}

@media (min-width: 768px) {
  .arc-editing-h1-section.arc-h1-section {
    --arc-h1-display-max: clamp(3rem, 5.2vw, 4.5rem);
    --arc-h1-heading-max: clamp(2rem, 3.4vw, 3rem);
    min-height: 0;
    padding-top: var(--arc-h1-content-pad-y);
    padding-bottom: 0;
    display: block;
  }

  /* PC：見出しブロック上段、リード＋写真下段（写真上端＝リード上端） */
  .arc-editing-h1-section .arc-h1-section__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    grid-template-rows: auto auto;
    column-gap: clamp(1.75rem, 4vw, 3.25rem);
    row-gap: clamp(1.6rem, 3.4vw, 2.35rem);
    align-items: start;
    align-content: start;
    width: 100%;
    min-height: 0;
    padding-left: clamp(2rem, 5vw, 4rem);
    padding-right: clamp(1.25rem, 3vw, 2.5rem);
  }

  .arc-editing-h1-section .arc-h1-section__copy {
    display: contents;
  }

  .arc-editing-h1-section .arc-h1-section__head {
    grid-column: 1;
    grid-row: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    min-width: 0;
    padding-right: clamp(0.75rem, 2vw, 1.5rem);
    padding-bottom: 0;
  }

  .arc-editing-h1-section .arc-h1-section__display-line + .arc-h1-section__heading,
  .arc-editing-h1-section .arc-h1-section__display-line + h1.arc-h1-section__heading {
    margin-top: clamp(1rem, 2.4vw, 1.65rem) !important;
  }

  .arc-editing-h1-section .arc-h1-section__divider {
    margin-top: clamp(1.4rem, 3.2vw, 2rem);
    margin-bottom: clamp(0.4rem, 1.1vw, 0.55rem);
  }

  .arc-editing-h1-section .arc-h1-section__lead-wrap {
    grid-column: 1;
    grid-row: 2;
    align-self: start;
    width: 100%;
    max-width: min(100%, 32rem);
    margin: 0 !important;
    padding-right: clamp(0.75rem, 2vw, 1.5rem);
    padding-bottom: var(--arc-h1-content-pad-y);
  }

  .arc-editing-h1-section .arc-h1-section__right {
    order: unset;
    grid-column: 2;
    grid-row: 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    align-self: start;
    width: 100%;
    min-width: 0;
    min-height: 0;
    padding-left: 0;
  }

  .arc-editing-h1-section .arc-h1-section__media {
    margin: 0;
    align-self: start;
    justify-self: stretch;
    width: 100%;
    max-width: none;
    height: auto;
    aspect-ratio: 4 / 3;
    border-radius: clamp(1.25rem, 2.2vw, 1.875rem);
  }

  .arc-editing-h1-section .arc-h1-section__heading + .arc-h1-section__lead-wrap,
  .arc-editing-h1-section h1.arc-h1-section__heading + .arc-h1-section__lead-wrap {
    margin-top: 0 !important;
  }

  .arc-editing-h1-section .arc-h1-section__inner:not(:has(.arc-h1-section__lead-wrap)) .arc-h1-section__right {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
  }
}

@media (min-width: 1100px) {
  .arc-editing-h1-section .arc-h1-section__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: clamp(2rem, 4.5vw, 3.75rem);
    padding-right: clamp(1.5rem, 2.5vw, 3rem);
  }

  .arc-editing-h1-section .arc-h1-section__media {
    aspect-ratio: 5 / 4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .arc-editing-h1-section .arc-h1-section__mesh,
  .arc-editing-h1-section .arc-h1-section__ambient,
  .arc-editing-h1-section .arc-h1-section__blob {
    transform: none !important;
  }

  .arc-editing-h1-section .arc-h1-section__motion,
  .arc-editing-h1-section .arc-h1-section__ambient,
  .arc-editing-h1-section .arc-h1-section__blob {
    transform: none !important;
  }


  .arc-editing-h1-section .arc-h1-section__ambient {
    filter: blur(56px);
  }
}