/* ============================================================
 * Concept page — LOUNGE 幸良(KOURA)
 * Bright luxury — cream + crystal + golden warmth
 * ============================================================ */

.concept-page {
  --concept-bg-1: var(--color-bg, #faf8f3);
  --concept-bg-2: var(--color-surface, #f1e9dc);
  --concept-ink:  #1f1c19;
  --concept-mute: #6b6258;
  --concept-line: rgba(31, 28, 25, 0.18);
  --concept-gold: var(--color-gold, #c9a961);

  color: var(--concept-ink);
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.7) 0%, transparent 38%),
    radial-gradient(circle at 88% 82%, rgba(255, 255, 255, 0.6) 0%, transparent 42%),
    linear-gradient(135deg, var(--concept-bg-1) 0%, var(--concept-bg-2) 100%);
}

/* Cancel the global "non-home site-main top padding" so the Concept
 * KV reaches the very top of the viewport (full-bleed under the
 * fixed header). Theme's <main class="site-main"> wraps a <div
 * class="concept-page"> — :has() targets the outer wrapper. The
 * header overlap is absorbed by hero__inner's own top padding below. */
body:not(.home) .site-main:has(.concept-page) {
  padding-top: 0;
}

/* ============================================================
 * ① Page hero
 * ============================================================ */
.concept-hero {
  position: relative;
  /* cast 同様、KV を低く抑えて次セクションへの遷移を軽くする。 */
  min-height: clamp(360px, 50vh, 560px);
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
}

.concept-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.concept-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  /* scale 1.7 leaves ~35% buffer on each side — enough to absorb
   * the JS parallax y: -120px without exposing the section bg below. */
  transform: scale(1.7);
  transform-origin: center center;
  will-change: transform;
}
@media (prefers-reduced-motion: reduce) {
  .concept-hero__media img {
    transform: none;
  }
}

/* Hero veil:
 *  - Soft dark vignette in the middle so the ink heading + cream halo
 *    underneath read crisply against the bright KV (店内のクリスタル
 *    + 鏡 + 草花 が混み合うため、中央に少しだけ落とす).
 *  - Bottom cream wash maintains the transition into the page body. */
.concept-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 55% at 70% 50%,
      rgba(8, 8, 10, 0.10) 0%,
      transparent 70%),
    linear-gradient(90deg,
      rgba(250, 248, 243, 0.05) 0%,
      rgba(250, 248, 243, 0.18) 50%,
      rgba(250, 248, 243, 0.32) 100%),
    linear-gradient(180deg,
      rgba(250, 248, 243, 0.08) 0%,
      rgba(250, 248, 243, 0.14) 85%,
      rgba(241, 233, 220, 0.35) 100%);
  pointer-events: none;
}

/* cast と同じく右側コピー領域に CSS blur veil を当てる。
   bright KV なので background は cream 半透明にして写真の白い
   光を活かしつつ、テキストの周囲だけ滑らかにする。 */
.concept-hero__veil::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 60%;
  backdrop-filter: blur(14px) saturate(0.95);
  -webkit-backdrop-filter: blur(14px) saturate(0.95);
  background: rgba(250, 248, 243, 0.14);
  -webkit-mask-image: linear-gradient(90deg,
    transparent 0%,
    rgba(0, 0, 0, 0.35) 20%,
    rgba(0, 0, 0, 0.85) 55%,
    black 100%);
          mask-image: linear-gradient(90deg,
    transparent 0%,
    rgba(0, 0, 0, 0.35) 20%,
    rgba(0, 0, 0, 0.85) 55%,
    black 100%);
  pointer-events: none;
}

@media (max-width: 720px) {
  /* スマホは中央寄せに切り替わるため blur 範囲を下方向に。 */
  .concept-hero__veil::after {
    width: 100%;
    -webkit-mask-image: linear-gradient(180deg,
      transparent 0%,
      rgba(0, 0, 0, 0.65) 40%,
      black 100%);
            mask-image: linear-gradient(180deg,
      transparent 0%,
      rgba(0, 0, 0, 0.65) 40%,
      black 100%);
  }
}

.concept-hero__inner {
  position: relative;
  /* cast と同じ右寄せレイアウト。 */
  text-align: right;
  padding-top: clamp(5rem, 13vh, 7.5rem);
  padding-bottom: clamp(1.5rem, 3.5vh, 2.75rem);
  /* 右端から少し離す（句読点と eyebrow の見切れ対策）。 */
  padding-right: clamp(1rem, 3vw, 2.5rem);
  width: 100%;
}

.concept-hero__inner .eyebrow {
  /* hero 用に共通の eyebrow より一回り大きく、字間も拡げて存在感を出す。
     letter-spacing 末尾余白を margin-right 負値で相殺して
     文字の見た目右端を title/lead と揃える（cast と同じ運用）。
     bright KV と gold が同化しないよう cream halo の text-shadow。 */
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  letter-spacing: 0.36em;
  margin: 0 -0.36em 1.25rem 0;
  color: var(--concept-gold);
  text-shadow:
    0 0 14px rgba(250, 248, 243, 0.95),
    0 0 28px rgba(250, 248, 243, 0.80),
    0 2px 6px rgba(250, 248, 243, 0.85);
}

.concept-hero__title {
  font-family: var(--font-serif-jp);
  font-weight: 400;
  font-size: clamp(2.6rem, 6.5vw, 5rem);
  letter-spacing: 0.06em;
  line-height: 1.4;
  margin: 0 0 1.5rem;
  color: var(--concept-ink);
  text-shadow:
    0 0 24px rgba(250, 248, 243, 0.95),
    0 0 48px rgba(250, 248, 243, 0.85),
    0 2px 8px  rgba(250, 248, 243, 0.90),
    0 1px 2px  rgba(250, 248, 243, 1.00);
  /* 句読点ぶら下げ用の右余白。 */
  padding-right: 0.5em;
  hanging-punctuation: allow-end last;
}

.concept-hero__title-line {
  /* cast と同じく block 化して右端揃えを成立させる。
     title の letter-spacing 0.06em の末尾余白を margin-right で相殺。 */
  display: block;
  margin-right: -0.06em;
}

/* 句読点を行の幅計算から外し、本文字の右端を揃える。 */
.concept-hero__title-punct {
  display: inline-block;
  width: 0;
  overflow: visible;
  letter-spacing: 0;
}

.concept-hero__lead {
  font-family: var(--font-serif-jp);
  font-size: clamp(0.95rem, 1.4vw, 1.1rem);
  line-height: 2.1;
  letter-spacing: 0.12em;
  /* Hero KV写真の上に乗るため mute では同化して読みづらい。
   * ink に上げ + 白い halo で輪郭を立たせる。 */
  color: var(--concept-ink);
  text-shadow:
    0 0 16px rgba(250, 248, 243, 0.95),
    0 0 32px rgba(250, 248, 243, 0.80),
    0 2px 6px  rgba(250, 248, 243, 0.85);
  max-width: 34em;
  /* 右寄せ + letter-spacing 末尾余白を相殺。 */
  margin: 0 -0.12em 0 auto;
}

@media (max-width: 720px) {
  .concept-hero__inner {
    text-align: center;
    padding-right: 0;
  }

  .concept-hero__title {
    font-size: clamp(2.2rem, 10vw, 2.8rem);
    letter-spacing: 0.03em;
    padding-right: 0;
  }

  .concept-hero__title-punct {
    display: inline;
    width: auto;
  }

  .concept-hero__inner .eyebrow,
  .concept-hero__title-line {
    margin-right: 0;
  }
  .concept-hero__lead {
    margin-inline: auto;
  }
}

/* ============================================================
 * ② Vertical-essay section — 「幸良」名前のこと
 * ============================================================ */
.concept-essay {
  position: relative;
  padding-block: clamp(5rem, 12vh, 9rem);
  overflow: hidden;
}

/* Sakura canvas — sits above the soft bg image but below the text
 * so petals drift across the section without obscuring the essay. */
.concept-essay .sakura-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.concept-essay__inner {
  /* Make sure essay copy sits above the petals layer. */
  z-index: 1;
}

.concept-essay__media {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.4;
}

.concept-essay__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  display: block;
  filter: blur(2px);
  /* scale 1.4 leaves ~20% buffer on each side — covers the JS
   * parallax y: -100px even when the section is on the short side. */
  transform: scale(1.4);
  transform-origin: center center;
  will-change: transform;
}
@media (prefers-reduced-motion: reduce) {
  .concept-essay__media img {
    transform: none;
  }
}

.concept-essay__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(250, 248, 243, 0.45) 0%,
      rgba(250, 248, 243, 0.85) 35%,
      rgba(250, 248, 243, 0.45) 100%);
  pointer-events: none;
}

.concept-essay__inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
}

.concept-essay__title {
  text-align: center;
  margin: 0;
  font-weight: 400;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.concept-essay__title-en {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  letter-spacing: 0.06em;
  color: var(--concept-ink);
}

.concept-essay__title-jp {
  font-family: var(--font-serif-jp);
  font-weight: 400;
  font-size: clamp(0.85rem, 1.2vw, 1rem);
  letter-spacing: 0.4em;
  color: var(--concept-mute);
}

/* PC: vertical Japanese — right-to-left columns -------------- */
.concept-essay__body {
  font-family: var(--font-serif-jp);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  letter-spacing: 0.18em;
  line-height: 2.4;
  color: var(--concept-ink);
  /* Lay the three paragraphs out as horizontal columns; row-reverse
   * so paragraph #1 sits on the right (traditional Japanese RTL flow). */
  display: flex;
  flex-direction: row-reverse;
  justify-content: center;
  align-items: flex-start;
  gap: clamp(2.5rem, 6vw, 5rem);
  max-width: 56em;
  margin-inline: auto;
}

.concept-essay__para {
  /* Each paragraph itself is vertical, top-to-bottom. */
  writing-mode: vertical-rl;
  -webkit-writing-mode: vertical-rl;
  margin: 0;
  text-indent: 1em;
  /* Height limits how tall each column can grow; the paragraph wraps
   * to the next "line" (a new column to the left) when it overflows. */
  max-height: 22em;
}

/* Decorative gold dot to the left of every paragraph after the first.
 * "left" here is the visual gap between this paragraph and the previous
 * one in the row-reverse flow. */
.concept-essay__para + .concept-essay__para {
  position: relative;
}

.concept-essay__para + .concept-essay__para::before {
  content: '';
  position: absolute;
  top: 50%;
  left: calc(-1 * clamp(1.25rem, 3vw, 2.5rem));
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--concept-gold);
  border-radius: 50%;
  opacity: 0.7;
}

/* Mobile: fall back to horizontal so it stays readable on a phone */
@media (max-width: 760px) {
  .concept-essay__body {
    writing-mode: horizontal-tb;
    -webkit-writing-mode: horizontal-tb;
    max-height: none;
    flex-direction: column;
    align-items: center;
    gap: 1.75rem;
    text-align: center;
    line-height: 2.1;
  }

  .concept-essay__para {
    writing-mode: horizontal-tb;
    -webkit-writing-mode: horizontal-tb;
    max-height: none;
    text-indent: 0;
  }

  .concept-essay__para + .concept-essay__para::before {
    position: static;
    display: block;
    margin: -1rem auto 1rem;
    transform: none;
    width: 5px;
    height: 5px;
  }
}

/* ============================================================
 * Place — Sonda, Okinawa
 * ============================================================ */
.concept-place {
  padding-block: clamp(5rem, 11vh, 8rem);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.4) 0%, transparent 100%);
}

.concept-place__inner {
  max-width: 720px;
  text-align: center;
}

.concept-place .eyebrow {
  margin-bottom: 1rem;
  color: var(--concept-gold);
}

.concept-place .section-heading {
  margin-bottom: clamp(1rem, 2vw, 1.5rem);
}

.concept-place__lead {
  max-width: 34em;
  margin: 0 auto clamp(2rem, 4vw, 3rem);
  font-family: var(--font-serif-jp);
  font-size: clamp(0.95rem, 1.15vw, 1.05rem);
  letter-spacing: 0.12em;
  line-height: 2;
  color: var(--concept-mute);
}

.concept-place__facts {
  display: grid;
  gap: 1rem;
  margin: 0 auto 2rem;
  max-width: 28em;
  font-family: var(--font-serif-jp);
}

.concept-place__facts > div {
  display: grid;
  grid-template-columns: 8em 1fr;
  align-items: baseline;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--concept-line);
  text-align: left;
}

.concept-place__facts dt {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--concept-mute);
  margin: 0;
}

.concept-place__facts dd {
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--concept-ink);
  margin: 0;
}

@media (max-width: 480px) {
  .concept-place__facts > div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}


/* Place セクション — Google Map
 * 地図の埋込が読み込まれる前 (or 通信が失敗した時) に「大きな白い
 * 抜け」として見えないよう、フレーム自体に
 *  - dark surface (loading background)
 *  - センター中央に「Loading map…」風の eyebrow ラベル
 *  - 金色の L コーナーオーナメント (他ページと統一)
 * を仕込んでおく。iframe が読み込まれれば上に乗って隠れる仕様。 */
.concept-place__map-wrap {
  position: relative;
  margin-top: clamp(2rem, 4vw, 3rem);
  width: 100%;
  max-width: 720px;
  margin-inline: auto;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--concept-line);
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 45%, rgba(31, 28, 25, 0.06) 0%, transparent 60%),
    linear-gradient(160deg, var(--concept-bg-2) 0%, #ece2d0 100%);
}

/* Placeholder text — visible only while the iframe is still loading. */
.concept-place__map-wrap::before {
  content: 'Loading map…';
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 0.85rem;
  letter-spacing: 0.24em;
  color: var(--concept-mute);
  pointer-events: none;
  z-index: 0;
}

/* Gold L-corner ornaments — match the marker treatment used on
 * Access / Recruit / Cast cards. */
.concept-place__map-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background:
    linear-gradient(to right, var(--concept-gold) 0, var(--concept-gold) 14px, transparent 14px) top left / 14px 1px no-repeat,
    linear-gradient(to bottom, var(--concept-gold) 0, var(--concept-gold) 14px, transparent 14px) top left / 1px 14px no-repeat,
    linear-gradient(to left, var(--concept-gold) 0, var(--concept-gold) 14px, transparent 14px) bottom right / 14px 1px no-repeat,
    linear-gradient(to top, var(--concept-gold) 0, var(--concept-gold) 14px, transparent 14px) bottom right / 1px 14px no-repeat;
}

.concept-place__map-wrap iframe {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  background: transparent;
}

/* Concept Place の View Access リンクを boxed CTA に格上げ
 * (base の .section-link はインラインの italic-text + arrow で
 * Concept ページの cream 背景上だと存在感が薄いため上書き) */
.concept-place .section-link {
  display: inline-flex;
  margin-top: clamp(1.75rem, 3vw, 2.5rem);
  padding: 0.95rem 2.4rem;
  border: 1px solid var(--concept-gold);
  background: rgba(255, 253, 248, 0.65);
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--concept-gold);
  text-decoration: none;
  gap: 1.1rem;
  align-items: center;
  border-bottom-color: var(--concept-gold);
  transition:
    background 0.35s var(--ease-out),
    color 0.35s var(--ease-out),
    border-color 0.35s var(--ease-out),
    gap 0.35s var(--ease-out);
}

.concept-place .section-link:hover,
.concept-place .section-link:focus-visible {
  background: var(--concept-gold);
  color: var(--concept-bg-1);
  border-color: var(--concept-gold);
  gap: 1.5rem;
}

/* sections.css is only enqueued on the front page, so the base
 * .section-link__arrow rules (shaft + arrowhead) don't reach the
 * Concept page. Reproduce them here so the arrow actually renders. */
.concept-place .section-link__arrow {
  display: inline-block;
  position: relative;
  width: 2.6rem;
  height: 1px;
  background: currentColor;
}

.concept-place .section-link__arrow::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  width: 10px;
  height: 10px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
  transform-origin: center;
}

/* ============================================================
 * Three Pillars — Crystal / Quiet / Gold
 * ============================================================ */
.concept-pillars {
  padding-block: clamp(5rem, 12vh, 9rem);
  background:
    linear-gradient(180deg, transparent 0%, rgba(241, 233, 220, 0.45) 100%);
}

.concept-pillars__header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.concept-pillars__header .eyebrow {
  margin-bottom: 1rem;
  color: var(--concept-gold);
}

.concept-pillars__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 900px) {
  .concept-pillars__list {
    grid-template-columns: 1fr;
    max-width: 32em;
    margin-inline: auto;
  }
}

.concept-pillar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.concept-pillar__media {
  position: relative;
  margin: 0;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid var(--concept-line);
  padding: 0.6rem;
  background: rgba(255, 255, 255, 0.4);
}

.concept-pillar__media::before,
.concept-pillar__media::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--concept-gold);
  pointer-events: none;
  z-index: 2;
}

.concept-pillar__media::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.concept-pillar__media::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.concept-pillar__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  /* scale 1.55 leaves ~27.5% vertical buffer on each side — enough
   * to absorb the JS parallax y: -110px even when the rendered
   * pillar frame is on the smaller side (~430px square). */
  transform: scale(1.55);
  transform-origin: center center;
  will-change: transform;
}
@media (prefers-reduced-motion: reduce) {
  .concept-pillar__media img {
    transform: none;
  }
}

.concept-pillar__body {
  text-align: center;
}

.concept-pillar__en {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  letter-spacing: 0.16em;
  color: var(--concept-gold);
  margin: 0 0 0.5rem;
}

.concept-pillar__title {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: clamp(1.25rem, 1.9vw, 1.5rem);
  letter-spacing: 0.14em;
  color: var(--concept-ink);
  margin: 0 0 0.75rem;
}

.concept-pillar__lead {
  font-family: var(--font-serif-jp);
  font-size: clamp(0.9rem, 1.1vw, 0.95rem);
  letter-spacing: 0.1em;
  line-height: 2;
  color: var(--concept-mute);
  margin: 0;
}

/* ============================================================
 * Experience links
 * ============================================================ */
.concept-experience {
  padding-block: clamp(5rem, 11vh, 8rem);
  background:
    linear-gradient(180deg, rgba(241, 233, 220, 0.45) 0%, rgba(250, 248, 243, 0.72) 100%);
}

.concept-experience__inner {
  max-width: 880px;
  text-align: center;
}

.concept-experience .eyebrow {
  margin-bottom: 1rem;
  color: var(--concept-gold);
}

.concept-experience .section-heading {
  margin-bottom: clamp(1.25rem, 2.5vw, 2rem);
}

.concept-experience__lead {
  max-width: 42em;
  margin: 0 auto clamp(2rem, 4vw, 3rem);
  font-family: var(--font-serif-jp);
  font-size: clamp(0.95rem, 1.15vw, 1.05rem);
  letter-spacing: 0.12em;
  line-height: 2.1;
  color: var(--concept-mute);
}

/* ②' Emblem — 双鶴と幸の紋章（ブランド差別化軸の説明）。 */
.concept-crest {
  padding-block: clamp(5rem, 11vh, 8rem);
  /* essay(地のグラデ)との段差を作る surface 寄りの面。区切りは全ページ共通の
     金の標(◆)に統一したため、ここでは罫線を持たない（面色は維持）。 */
  background:
    linear-gradient(180deg, rgba(241, 233, 220, 0.55) 0%, rgba(241, 233, 220, 0.35) 100%);
}

.concept-crest__inner {
  max-width: 880px;
  text-align: center;
}

.concept-crest .eyebrow {
  margin-bottom: 1rem;
  color: var(--concept-gold);
}

.concept-crest .section-heading {
  margin-bottom: clamp(1.25rem, 2.5vw, 2rem);
}

.concept-crest__lead {
  max-width: 42em;
  margin: 0 auto;
  font-family: var(--font-serif-jp);
  font-size: clamp(0.95rem, 1.15vw, 1.05rem);
  letter-spacing: 0.12em;
  line-height: 2.1;
  color: var(--concept-mute);
}

.concept-experience__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  max-width: 680px;
  margin-inline: auto;
}

.concept-experience__link {
  position: relative;
  display: grid;
  gap: 0.4rem;
  min-height: 7.5rem;
  padding: 1.35rem 1.5rem;
  place-items: center;
  border: 1px solid var(--concept-line);
  background: rgba(255, 253, 248, 0.58);
  color: var(--concept-ink);
  text-decoration: none;
  overflow: hidden;
  transition:
    border-color 0.35s var(--ease-out),
    background 0.35s var(--ease-out),
    color 0.35s var(--ease-out),
    transform 0.35s var(--ease-out);
}

.concept-experience__link--floor {
  border-color: rgba(201, 169, 97, 0.35);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.86) 0%, rgba(250, 248, 243, 0.72) 100%);
}

.concept-experience__link--vip {
  border-color: rgba(201, 169, 97, 0.64);
  background:
    radial-gradient(circle at 78% 18%, rgba(201, 169, 97, 0.20) 0%, transparent 34%),
    linear-gradient(135deg, #12100e 0%, #272019 100%);
  color: var(--concept-bg-1);
  box-shadow: 0 18px 40px rgba(31, 28, 25, 0.14);
}

.concept-experience__link::before,
.concept-experience__link::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--concept-gold);
  pointer-events: none;
  transition: opacity 0.35s var(--ease-out);
}

.concept-experience__link::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.concept-experience__link::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

.concept-experience__link:hover,
.concept-experience__link:focus-visible {
  transform: translateY(-3px);
  border-color: var(--concept-gold);
  background: rgba(255, 253, 248, 0.9);
}

.concept-experience__link--floor:hover,
.concept-experience__link--floor:focus-visible {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(250, 248, 243, 0.88) 100%);
}

.concept-experience__link--vip:hover,
.concept-experience__link--vip:focus-visible {
  background:
    radial-gradient(circle at 78% 18%, rgba(201, 169, 97, 0.30) 0%, transparent 34%),
    linear-gradient(135deg, #18130f 0%, #332719 100%);
}

.concept-experience__link-en {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
  letter-spacing: 0.12em;
  color: var(--concept-gold);
}

.concept-experience__link-jp {
  font-family: var(--font-serif-jp);
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  color: var(--concept-mute);
}

.concept-experience__link--vip .concept-experience__link-jp {
  color: rgba(250, 248, 243, 0.78);
}

@media (max-width: 640px) {
  .concept-experience__links {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
 * CTA bar
 * ============================================================ */
.concept-cta {
  padding-block: clamp(4rem, 10vh, 7rem);
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(201, 169, 97, 0.10) 0%, transparent 60%),
    var(--concept-bg-2);
}

.concept-cta__inner {
  max-width: 720px;
}

.concept-cta__title {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: 0.14em;
  line-height: 1.6;
  margin: 0 0 1rem;
  color: var(--concept-ink);
}

.concept-cta__lead {
  font-family: var(--font-serif-jp);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  line-height: 2;
  color: var(--concept-mute);
  margin: 0 0 2.5rem;
}

.concept-cta__buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

/* .koura-cta tokens — base styles live in header-footer.css. */
.concept-page {
  --cta-ink:  var(--concept-ink);
  --cta-gold: var(--concept-gold);
  --cta-bg:   var(--concept-bg-1);
}