/* ==========================================================================
   Members Section — Interactive Showcase
   Thumbnail roster + Profile detail panel with standing image
   ========================================================================== */

/* ── Section ── */
.section--members {
  position: relative;
  padding-top: var(--space-16);
  padding-bottom: 0;
  overflow: hidden;
  overflow-anchor: none;
  background: linear-gradient(
    160deg,
    #1a1028 0%,
    #2a1840 25%,
    #1e1235 50%,
    #2a1840 75%,
    #1a1028 100%
  );
  color: #fff;
}

/* ── Decorative Diagonal Stripes ── */
.members__deco {
  position: absolute;
  width: 120px;
  height: 600px;
  background: linear-gradient(135deg, rgba(200, 160, 230, 0.08) 0%, rgba(160, 200, 255, 0.04) 100%);
  border-radius: 60px;
  pointer-events: none;
  z-index: 0;
}

.members__deco--left {
  top: 10%;
  left: -30px;
  transform: rotate(-20deg);
}

.members__deco--right {
  bottom: 5%;
  right: -30px;
  transform: rotate(-20deg);
}


/* ── Header ── */
.members__header {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 var(--space-6);
  margin-bottom: var(--space-8);
}

.members__heading {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: var(--space-2);
  letter-spacing: 0.08em;
}

.members__heading-accent {
  display: inline-block;
  width: 14px;
  height: 0.7em;
  background: var(--gradient-primary);
  border-radius: 2px;
  flex-shrink: 0;
  position: relative;
  top: 0.05em;
}

.members__sub {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-6);
}

.members__desc {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--leading-relaxed);
  max-width: 540px;
  margin: 0 auto;
}


/* ── Filter Tabs ── */
.members__tabs {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: 0 var(--space-4);
  margin-bottom: var(--space-8);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.members__tabs-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}

.members__tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.06);
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  backdrop-filter: blur(8px);
}

.members__tab:hover {
  color: #fff;
  border-color: rgba(200, 160, 230, 0.5);
  background: rgba(255, 255, 255, 0.1);
}

.members__tab.is-active {
  color: #fff;
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: 0 2px 16px rgba(200, 160, 230, 0.4);
}


/* ── Thumbnail Roster ── */
.members__roster-wrap {
  position: relative;
  z-index: 1;
  padding: var(--space-16) var(--space-4) 0;
  margin-bottom: var(--space-6);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  scroll-margin-top: 120px;
}

.members__roster {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  justify-items: center;
  overflow: hidden;
}

/* 3行制限（6列×3行=18個） — 超過分はJSで非表示 */
.members__roster {
  max-height: none;
}

/* もっと見るボタン */
.members__show-more {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: var(--space-4) auto 0;
  padding: var(--space-2) var(--space-6);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.8);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(4px);
}

.members__show-more:hover {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
  transform: translateY(-2px);
}

.members__show-more.is-hidden {
  display: none;
}

.members__thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  transition: all 0.3s var(--ease-out);
  outline: none;
  scroll-margin-top: 150px;
}

.members__thumb:hover {
  transform: scale(1.08);
}

.members__thumb:hover .members__thumb-icon {
  box-shadow: 0 0 20px rgba(200, 160, 230, 0.5);
  border-color: rgba(200, 160, 230, 0.6);
}

.members__thumb.is-active .members__thumb-icon {
  border-color: transparent;
  box-shadow: 0 0 0 3px rgba(200, 160, 230, 0.8), 0 0 24px rgba(200, 160, 230, 0.5);
}

.members__thumb.is-hidden {
  display: none;
}

.members__thumb-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.15);
  transition: all 0.3s var(--ease-out);
  background: rgba(255, 255, 255, 0.05);
  display: block;
  flex-shrink: 0;
}
.members__thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 10%;
  display: block;
}

.members__thumb-name {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.6);
  white-space: nowrap;
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.3s;
}

.members__thumb.is-active .members__thumb-name {
  color: #fff;
  font-weight: 600;
}


/* ── Profile Detail Panel ── */
.members__profile {
  position: relative;
  z-index: 1;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  margin: 0 var(--space-4);
  overflow-anchor: none;
}

.members__profile.is-open {
  max-height: 700px;
}

.members__profile-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  min-height: 400px;
  padding: var(--space-8) var(--space-6);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(200, 160, 230, 0.06) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  margin-top: var(--space-4);
  transition: opacity 0.4s ease, transform 0.4s ease;
  overflow: hidden;
}

/* ── Background Text ── */
.members__profile-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(200, 160, 230, 0.08);
  letter-spacing: 0.05em;
  white-space: nowrap;
  z-index: 0;
  pointer-events: none;
  user-select: none;
  text-transform: uppercase;
}


/* ── Profile Info (Left Column) ── */
.members__profile-info {
  position: relative;
  z-index: 2;
  padding: var(--space-4) 0;
}

.members__profile-name {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin: 0 0 var(--space-2);
}

.members__profile-name-en {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fff;
  background: var(--gradient-primary);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.members__profile-sns {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.members__profile-sns-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  transition: all 0.25s;
  text-decoration: none;
}

.members__profile-sns-link:hover {
  color: #fff;
  background: rgba(200, 160, 230, 0.3);
  transform: scale(1.1);
}

.members__profile-desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  max-width: 380px;
  margin-bottom: var(--space-4);
}

.members__profile-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(200, 160, 230, 0.9);
  text-decoration: none;
  transition: color 0.25s;
}

.members__profile-link:hover {
  color: #fff;
}


/* ── Profile Visual (Right Column) ── */
.members__profile-visual {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

.members__profile-standing {
  max-height: 350px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  object-position: bottom center;
  filter: drop-shadow(0 8px 30px rgba(200, 160, 230, 0.3));
  transition: opacity 0.4s ease, transform 0.4s ease;
}


/* ── PREV/NEXT Navigation ── */
.members__profile-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: all 0.25s;
  backdrop-filter: blur(8px);
}

.members__profile-nav:hover {
  background: rgba(200, 160, 230, 0.2);
  color: #fff;
  border-color: rgba(200, 160, 230, 0.4);
}

.members__profile-nav--prev {
  left: 12px;
}

.members__profile-nav--next {
  right: 12px;
}


/* ── CTA Button ── */
.members__action {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-10) var(--space-6) var(--space-16);
}

.members__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  color: #fff;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
  box-shadow: 0 4px 20px rgba(200, 160, 230, 0.3);
  text-decoration: none;
}

.members__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(200, 160, 230, 0.5);
  opacity: 1;
}

.members__btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: #fff;
  transition: transform var(--duration-normal) var(--ease-out);
}

.members__btn:hover .members__btn-icon {
  transform: translateX(4px);
}


/* ==========================================================================
   Responsive
   ========================================================================== */

/* ── Mobile ── */
@media (max-width: 479px) {
  .members__roster-wrap {
    padding: 0 var(--space-2);
    overflow-x: visible;
  }

  .members__roster {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .members__thumb-icon {
    width: 46px;
    height: 46px;
    height: 56px;
  }

  .members__thumb-name {
    max-width: 60px;
    font-size: 9px;
  }

  .members__profile.is-open {
    max-height: 600px;
  }

  .members__profile-inner {
    grid-template-columns: 1fr;
    padding: var(--space-6) var(--space-4);
    min-height: 300px;
  }

  .members__profile-standing {
    max-height: 250px;
  }

  .members__profile-nav {
    width: 36px;
    height: 36px;
  }

  .members__profile-nav--prev { left: 8px; }
  .members__profile-nav--next { right: 8px; }
}


/* ── Tablet (480px+) ── */
@media (min-width: 480px) {
  .members__thumb-icon {
    width: 72px;
    height: 72px;
  }

  .members__desc {
    font-size: var(--text-lg);
  }

  .members__profile.is-open {
    max-height: 550px;
  }

  .members__profile-inner {
    padding: var(--space-8);
  }
}


/* ── Desktop (840px+) ── */
@media (min-width: 840px) {
  .section--members {
    padding-top: var(--space-20);
  }

  .members__header {
    margin-bottom: var(--space-10);
  }

  .members__deco {
    width: 160px;
    height: 800px;
  }

  .members__thumb-icon {
    width: 80px;
    height: 80px;
  }

  .members__thumb-name {
    font-size: 11px;
    max-width: 84px;
  }

  /* Profile: 2-column layout */
  .members__profile {
    margin: 0 var(--space-8);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
  }

  .members__profile.is-open {
    max-height: 600px;
  }

  .members__profile-inner {
    grid-template-columns: 2fr 3fr;
    gap: var(--space-6);
    min-height: 450px;
    padding: var(--space-10) var(--space-8);
    border-radius: 28px;
  }

  .members__profile-standing {
    max-height: 420px;
  }

  .members__profile-desc {
    font-size: var(--text-base);
  }

  .members__tab {
    padding: var(--space-2) var(--space-5);
  }

  .members__sub {
    font-size: var(--text-base);
    margin-bottom: var(--space-8);
  }
}


/* ── PC (1280px+) ── */
@media (min-width: 1280px) {
  .section--members {
    padding-top: var(--space-24);
  }

  .members__header {
    margin-bottom: var(--space-12);
  }

  .members__heading {
    font-size: 5rem;
  }

  .members__sub {
    font-size: var(--text-lg);
  }

  .members__desc {
    font-size: var(--text-xl);
    max-width: 640px;
  }

  .members__thumb-icon {
    width: 88px;
    height: 88px;
  }

  .members__thumb-name {
    font-size: 12px;
    max-width: 92px;
  }

  .members__profile.is-open {
    max-height: 650px;
  }

  .members__profile-inner {
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-10);
    min-height: 500px;
    padding: var(--space-12) var(--space-10);
  }

  .members__profile-name {
    font-size: 2.8rem;
  }

  .members__profile-name-en {
    font-size: var(--text-base);
  }

  .members__profile-desc {
    font-size: var(--text-lg);
    max-width: 440px;
  }

  .members__profile-standing {
    max-height: 480px;
  }

  .members__profile-bg-text {
    font-size: 10rem;
    -webkit-text-stroke: 1.5px rgba(200, 160, 230, 0.06);
  }

  .members__action {
    padding: var(--space-12) var(--space-6) var(--space-20);
  }

  .members__btn {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
  }

  .members__btn-icon {
    width: 44px;
    height: 44px;
  }
}

/* ── Small Mobile ── */
@media (max-width: 479px) {
  .section--members {
    padding-top: var(--space-10);
  }

  .members__heading {
    font-size: 2.2rem;
  }

  .members__desc {
    font-size: var(--text-sm);
    padding: 0 var(--space-2);
  }

  .members__thumb-icon {
    width: 52px;
    height: 52px;
  }

  .members__thumb-name {
    font-size: 9px;
    max-width: 56px;
  }

  .members__roster {
    gap: 8px;
  }

  .members__tab {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
  }

  .members__profile-inner {
    padding: var(--space-5) var(--space-3);
  }

  .members__action {
    padding: var(--space-6) var(--space-4) var(--space-10);
  }

  .members__btn {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
  }

  .members__btn-icon {
    width: 30px;
    height: 30px;
  }
}