/* About Ludamusea */
.about-hero,
.about-section,
.about-closing { margin-left: auto; margin-right: auto; max-width: 1180px; }

.about-hero {
  align-items: center;
  display: grid;
  gap: clamp(36px, 7vw, 96px);
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  min-height: min(780px, calc(100vh - 72px));
  overflow: hidden;
  padding: clamp(68px, 9vw, 132px) max(24px, calc((100vw - 1180px) / 2));
  position: relative;
}

.about-hero::before,
.about-hero::after { content: ""; pointer-events: none; position: absolute; }
.about-hero::before {
  background: radial-gradient(circle at 19% 20%, rgba(34, 211, 238, .18), transparent 18rem), radial-gradient(circle at 72% 60%, rgba(168, 85, 247, .18), transparent 23rem), radial-gradient(circle, rgba(255, 255, 255, .7) 0 1px, transparent 1.5px) 0 0 / 108px 108px;
  inset: 0;
}
.about-hero::after { background: linear-gradient(90deg, transparent, rgba(56, 189, 248, .18), transparent); height: 1px; left: 4%; right: 4%; top: 16%; }
.about-hero-copy,
.about-logo-stage,
.about-section,
.about-closing { position: relative; z-index: 1; }

.about-hero h1 { color: #f8fafc; font-size: clamp(56px, 9vw, 118px); font-weight: 600; line-height: .92; margin: 16px 0 20px; }
.about-hero h1 span { color: #7dd3fc; display: block; font-family: "Space Mono", monospace; font-size: clamp(18px, 2vw, 28px); font-weight: 400; letter-spacing: .08em; margin: 18px 0 0 4px; text-transform: uppercase; }
.about-hero-subtitle { color: #c4b5fd; font-size: clamp(18px, 2vw, 24px); line-height: 1.5; margin: 0; }
.about-hero-lead { color: #cbd5e1; font-size: 17px; line-height: 1.85; margin: 22px 0 0; max-width: 650px; }
.about-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.about-logo-stage { align-items: center; aspect-ratio: 1; display: grid; isolation: isolate; justify-items: center; margin: auto; max-width: 500px; overflow: visible; width: min(100%, 500px); }
.about-logo-stage::before,
.about-logo-stage::after { content: ""; inset: 0; pointer-events: none; position: absolute; }
.about-logo-stage::before { animation: about-stage-drift 18s ease-in-out infinite alternate; background-image: radial-gradient(circle, rgba(224, 242, 254, .92) 0 1.4px, transparent 1.8px), radial-gradient(circle, rgba(196, 181, 253, .78) 0 1px, transparent 1.5px), radial-gradient(circle, rgba(251, 191, 36, .72) 0 1.2px, transparent 1.6px); background-position: 12% 17%, 83% 24%, 72% 79%; background-repeat: no-repeat; background-size: 9px 9px, 7px 7px, 8px 8px; opacity: .62; z-index: 3; }
.about-logo-stage::after { animation: about-stage-twinkle 5.5s ease-in-out infinite; background-image: radial-gradient(circle, rgba(255, 255, 255, .9) 0 1px, transparent 1.5px), radial-gradient(circle, rgba(125, 211, 252, .75) 0 1px, transparent 1.5px), radial-gradient(circle, rgba(240, 171, 252, .74) 0 1px, transparent 1.5px); background-position: 25% 74%, 86% 54%, 43% 8%; background-repeat: no-repeat; background-size: 7px 7px; z-index: 3; }
.about-logo-stage img { border: 1px solid rgba(125, 211, 252, .28); border-radius: 50%; box-shadow: 0 0 0 12px rgba(2, 6, 23, .7), 0 0 54px rgba(56, 189, 248, .24), 0 0 110px rgba(168, 85, 247, .16); height: 51%; object-fit: cover; position: relative; width: 51%; z-index: 2; }
.about-orbit { border: 1px solid rgba(125, 211, 252, .2); border-radius: 50%; position: absolute; }
.about-orbit-one { animation: about-orbit-spin 22s linear infinite; height: 88%; width: 88%; }
.about-orbit-two { animation: about-orbit-spin-reverse 31s linear infinite; border-color: rgba(196, 181, 253, .24); height: 77%; transform: rotateX(64deg) rotateZ(22deg); width: 104%; }
.about-orbit-three { border-color: rgba(251, 191, 36, .22); box-shadow: 0 0 28px rgba(251, 191, 36, .09); height: 48%; transform: rotateX(66deg) rotateZ(-24deg); width: 104%; }
.about-stage-star { color: #fef3c7; font-size: 28px; position: absolute; text-shadow: 0 0 20px rgba(251, 191, 36, .68); z-index: 4; }
.about-stage-star-one { animation: about-stage-star-one 6.8s ease-in-out infinite; left: 5%; top: 22%; }
.about-stage-star-two { animation: about-stage-star-two 8.4s ease-in-out -2.4s infinite; bottom: 14%; right: 9%; }

.about-section { padding: clamp(76px, 11vw, 150px) max(24px, calc((100vw - 1180px) / 2)); }
.about-section-heading { max-width: 760px; }
.about-section-heading h2,
.about-closing h2 { color: #f8fafc; font-size: clamp(34px, 5vw, 64px); font-weight: 600; line-height: 1.06; margin: 14px 0 18px; }
.about-section-heading > p:not(.eyebrow),
.about-closing > p:not(.eyebrow) { color: #94a3b8; font-size: 16px; line-height: 1.9; margin: 0; }

.about-meaning-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 40px; }
.about-meaning-card { background: linear-gradient(145deg, rgba(15, 23, 42, .82), rgba(15, 23, 42, .38)); border: 1px solid rgba(125, 211, 252, .14); border-radius: 16px; min-height: 276px; overflow: hidden; padding: 26px; position: relative; transition: border-color .24s ease, transform .24s ease; }
.about-meaning-card::after { background: radial-gradient(circle, rgba(167, 139, 250, .24), transparent 65%); content: ""; height: 180px; position: absolute; right: -80px; top: -90px; width: 180px; }
.about-meaning-card:hover { border-color: rgba(103, 232, 249, .48); transform: translateY(-5px); }
.about-meaning-index,
.about-principle > span { color: #38bdf8; font-family: "Space Mono", monospace; font-size: 12px; }
.about-meaning-word { color: #c4b5fd; font-family: "Space Mono", monospace; font-size: 24px; margin: 42px 0 6px; position: relative; z-index: 1; }
.about-meaning-card h3,
.about-founder h3,
.about-principle h3 { color: #f8fafc; font-size: 23px; margin: 0 0 12px; position: relative; z-index: 1; }
.about-meaning-card > p:last-child,
.about-founder > p:last-child,
.about-principle > p:last-child { color: #94a3b8; font-size: 14px; line-height: 1.8; margin: 0; position: relative; z-index: 1; }

.about-statement-section { align-items: center; background: linear-gradient(120deg, rgba(14, 116, 144, .18), rgba(30, 41, 59, .24) 46%, rgba(109, 40, 217, .14)); border-bottom: 1px solid rgba(125, 211, 252, .14); border-top: 1px solid rgba(125, 211, 252, .14); display: grid; gap: clamp(30px, 7vw, 110px); grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); max-width: none; overflow: hidden; padding-left: max(24px, calc((100vw - 1180px) / 2)); padding-right: max(24px, calc((100vw - 1180px) / 2)); }
.about-statement-orbit { align-items: center; aspect-ratio: 1; display: flex; justify-content: center; max-width: 340px; position: relative; }
.about-statement-orbit span { border: 1px solid rgba(103, 232, 249, .35); border-radius: 50%; position: absolute; }
.about-statement-orbit span:nth-child(1) { height: 100%; width: 100%; }
.about-statement-orbit span:nth-child(2) { height: 70%; transform: rotateX(65deg); width: 110%; }
.about-statement-orbit span:nth-child(3) { background: radial-gradient(circle, #a5f3fc, #3b82f6 46%, transparent 68%); box-shadow: 0 0 58px rgba(34, 211, 238, .44); height: 34%; width: 34%; }
.about-statement-copy .eyebrow { color: #67e8f9; }
.about-statement-text { display: grid; gap: 18px; }
.about-statement-text p { color: #cbd5e1; font-size: 16px; line-height: 1.9; margin: 0; }

.about-question-list { border-top: 1px solid rgba(148, 163, 184, .22); list-style: none; margin: 38px 0 0; padding: 0; }
.about-question-list li { align-items: center; border-bottom: 1px solid rgba(148, 163, 184, .16); display: grid; gap: 22px; grid-template-columns: 48px minmax(0, 1fr); padding: 20px 0; }
.about-question-list span { color: #38bdf8; font-family: "Space Mono", monospace; font-size: 12px; }
.about-question-list p { color: #e2e8f0; font-size: clamp(18px, 2.2vw, 26px); line-height: 1.35; margin: 0; }

.about-founders-section { display: grid; gap: 40px; grid-template-columns: minmax(230px, .58fr) minmax(0, 1.42fr); }
.about-founder-grid { display: grid; gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.about-founder { background: rgba(15, 23, 42, .58); border: 1px solid rgba(148, 163, 184, .16); border-radius: 16px; min-height: 264px; padding: 28px; position: relative; }
.about-founder-mark { color: #f0abfc; display: block; font-size: 22px; margin-bottom: 44px; }
.about-founder-role { color: #67e8f9; font-family: "Space Mono", monospace; font-size: 11px; letter-spacing: .08em; margin: 0 0 8px; text-transform: uppercase; }

.about-principles-section { background: rgba(2, 6, 23, .5); border-top: 1px solid rgba(148, 163, 184, .14); max-width: none; padding-left: max(24px, calc((100vw - 1180px) / 2)); padding-right: max(24px, calc((100vw - 1180px) / 2)); }
.about-principle-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 38px; }
.about-principle { border-left: 1px solid rgba(125, 211, 252, .32); padding: 8px 14px 8px 18px; }
.about-principle h3 { margin-top: 28px; }

.about-closing { margin-bottom: clamp(76px, 12vw, 150px); margin-top: clamp(76px, 12vw, 150px); max-width: 920px; overflow: hidden; padding: clamp(54px, 8vw, 100px) clamp(26px, 8vw, 92px); position: relative; text-align: center; }
.about-closing::before { background: radial-gradient(ellipse at center, rgba(59, 130, 246, .18), transparent 66%); content: ""; inset: 0; pointer-events: none; position: absolute; }
.about-closing > * { position: relative; z-index: 1; }
.about-closing .eyebrow { color: #c4b5fd; }
.about-closing h2 { margin-left: auto; margin-right: auto; max-width: 700px; }
.about-closing > p:not(.eyebrow) { margin-left: auto; margin-right: auto; max-width: 720px; }
.about-closing-starfield { background: radial-gradient(circle, rgba(255, 255, 255, .7) 0 1px, transparent 1.5px) 0 0 / 108px 108px; inset: 0; opacity: .42; pointer-events: none; position: absolute; }

@keyframes about-orbit-spin { to { transform: rotate(360deg); } }
@keyframes about-orbit-spin-reverse { to { transform: rotate(-360deg) rotateX(64deg) rotateZ(22deg); } }
@keyframes about-stage-drift { from { transform: translate3d(-3px, 2px, 0); } to { transform: translate3d(5px, -4px, 0); } }
@keyframes about-stage-twinkle { 0%, 100% { opacity: .25; } 50% { opacity: .92; } }
@keyframes about-stage-star-one { 0%, 100% { opacity: .62; transform: translate3d(0, 0, 0) scale(.88); } 50% { opacity: 1; transform: translate3d(6px, -8px, 0) scale(1.12); } }
@keyframes about-stage-star-two { 0%, 100% { opacity: .54; transform: translate3d(0, 0, 0) rotate(0deg) scale(.86); } 50% { opacity: 1; transform: translate3d(-7px, 6px, 0) rotate(24deg) scale(1.08); } }

@media (max-width: 900px) {
  .about-hero,
  .about-statement-section,
  .about-founders-section { grid-template-columns: 1fr; }
  .about-logo-stage { max-width: 420px; order: -1; }
  .about-statement-orbit { display: none; }
  .about-founder-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .about-hero { min-height: 0; padding-top: 54px; }
  .about-logo-stage { max-width: 310px; }
  .about-meaning-grid,
  .about-principle-grid { grid-template-columns: 1fr; }
  .about-meaning-card { min-height: 0; }
  .about-hero h1 { font-size: clamp(48px, 15vw, 70px); }
  .about-question-list li { gap: 14px; grid-template-columns: 38px minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .about-orbit-one,
  .about-orbit-two,
  .about-logo-stage::before,
  .about-logo-stage::after,
  .about-stage-star { animation: none; }
}

/* Keep the editorial grids intact on desktop and large tablet windows. */
#aboutPage { min-width: 0; overflow: hidden; width: 100%; }

@media (min-width: 860px) {
  #aboutPage .about-hero {
    box-sizing: border-box;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(340px, 480px);
    max-width: none;
    width: 100%;
  }

  #aboutPage .about-hero-copy,
  #aboutPage .about-logo-stage { min-width: 0; }

  #aboutPage .about-meaning-grid,
  #aboutPage .about-principle-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  #aboutPage .about-statement-section {
    display: grid;
    grid-template-columns: minmax(180px, .66fr) minmax(0, 1.34fr);
  }

  #aboutPage .about-founders-section {
    display: grid;
    grid-template-columns: minmax(210px, .58fr) minmax(0, 1.42fr);
  }

  #aboutPage .about-founder-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Structural guardrails: never let the About canvas shrink to its text content. */
#aboutPage {
  box-sizing: border-box;
  display: block;
  max-width: none;
  min-width: 0;
  overflow: hidden;
  width: 100vw;
}

#aboutPage .about-hero,
#aboutPage .about-section,
#aboutPage .about-closing {
  box-sizing: border-box;
  margin-left: 0;
  margin-right: 0;
  max-width: none;
  min-width: 0;
  width: 100%;
}

#aboutPage .about-hero {
  margin-left: 0;
  margin-right: 0;
  max-width: none;
  padding-left: max(24px, calc((100vw - 1180px) / 2));
  padding-right: max(24px, calc((100vw - 1180px) / 2));
}

#aboutPage .about-section-heading,
#aboutPage .about-hero-copy,
#aboutPage .about-statement-copy,
#aboutPage .about-statement-text {
  min-width: 0;
  width: 100%;
}

#aboutPage .about-section-heading { max-width: 760px; }
#aboutPage .about-hero-copy { max-width: 760px; }
#aboutPage .about-hero h1 {
  font-size: clamp(56px, 6.6vw, 92px);
  max-width: 760px;
  overflow-wrap: anywhere;
}
#aboutPage .about-hero-subtitle,
#aboutPage .about-hero-lead { max-width: 760px; }
#aboutPage .about-meaning-grid,
#aboutPage .about-question-list,
#aboutPage .about-founder-grid,
#aboutPage .about-principle-grid { min-width: 0; width: 100%; }

@media (min-width: 860px) {
  #aboutPage .about-hero {
    grid-template-columns: minmax(420px, 1fr) minmax(340px, 480px);
  }

  #aboutPage .about-statement-section {
    grid-template-columns: minmax(180px, .66fr) minmax(420px, 1.34fr);
  }

  #aboutPage .about-founders-section {
    grid-template-columns: minmax(230px, .58fr) minmax(460px, 1.42fr);
  }
}

/* Purpose block: place the explanation beside, not beneath, the signal. */
@media (min-width: 860px) {
  #aboutPage .about-statement-section {
    align-content: center;
    column-gap: clamp(40px, 6vw, 96px);
    grid-template-columns: minmax(230px, 320px) minmax(0, 760px);
    grid-template-rows: auto auto;
    justify-content: center;
    padding-bottom: clamp(64px, 7vw, 100px);
    padding-top: clamp(64px, 7vw, 100px);
    row-gap: 22px;
  }

  #aboutPage .about-statement-orbit {
    grid-column: 1;
    grid-row: 1 / span 2;
    justify-self: center;
    width: min(100%, 300px);
  }

  #aboutPage .about-statement-copy,
  #aboutPage .about-statement-text { grid-column: 2; }
  #aboutPage .about-statement-copy { grid-row: 1; }
  #aboutPage .about-statement-text { grid-row: 2; }

  html[lang="ja"] #aboutPage .about-work-section .about-section-heading {
    max-width: 1080px;
  }

  html[lang="ja"] #aboutPage .about-work-section .about-section-heading h2 {
    font-size: clamp(38px, 4vw, 58px);
    white-space: nowrap;
  }
}

.about-statement-orbit span:nth-child(1) {
  animation: about-signal-ring-one 17s linear infinite;
  border-color: rgba(103, 232, 249, .48);
}

.about-statement-orbit span:nth-child(2) {
  animation: about-signal-ring-two 11s linear infinite;
  border-color: rgba(196, 181, 253, .44);
}

.about-statement-orbit span:nth-child(1)::after,
.about-statement-orbit span:nth-child(2)::after {
  background: #e0f2fe;
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(103, 232, 249, .9);
  content: "";
  height: 7px;
  position: absolute;
  width: 7px;
}

.about-statement-orbit span:nth-child(1)::after { left: calc(50% - 3px); top: -4px; }
.about-statement-orbit span:nth-child(2)::after { right: 3%; top: calc(50% - 3px); }
.about-statement-orbit span:nth-child(3) { animation: about-signal-core 4.2s ease-in-out infinite; }

@keyframes about-signal-ring-one {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes about-signal-ring-two {
  from { transform: rotateX(65deg) rotateZ(0deg); }
  to { transform: rotateX(65deg) rotateZ(-360deg); }
}

@keyframes about-signal-core {
  0%, 100% { box-shadow: 0 0 46px rgba(34, 211, 238, .34); transform: scale(.96); }
  50% { box-shadow: 0 0 78px rgba(96, 165, 250, .7); transform: scale(1.04); }
}

@media (prefers-reduced-motion: reduce) {
  .about-statement-orbit span { animation: none; }
}