/* about.css - /about page styles
   Reuses existing tokens, typography, button, and card components.
   New BEM block prefix: `.about-*` for page-local sections. */

/* ============================================================
   Shared page primitives
   ============================================================ */

.about-section {
  position: relative;
  padding: var(--sp-9) 0;
  overflow: hidden;
}
.about-section--soft { background: var(--cal-bg-soft); }

.about-section__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

.about-section__label {
  display: inline-block;
  margin-bottom: var(--sp-3);
}

.about-section__heading {
  margin: 0 0 var(--sp-6);
  text-wrap: balance;
}

/* Decorative pale-teal circles, used by every about section bg. */
.about-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.about-bg__circle {
  position: absolute;
  border-radius: 50%;
  background: var(--cal-teal-tint);
}
.about-bg__dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cal-coral);
}

/* ============================================================
   1. About Hero
   ============================================================ */

.about-hero {
  position: relative;
  padding: var(--sp-10) 0 var(--sp-9);
  background: var(--cal-bg);
  overflow: hidden;
}
.about-hero__bg-circle--a { width: 420px; height: 420px; top: -160px; right: -180px; opacity: 0.5; }
.about-hero__bg-circle--b { width: 260px; height: 260px; bottom: -120px; left: -120px; opacity: 0.45; }
.about-hero__bg-dot--a { top: 28%; left: 18%; }

.about-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
  margin: 0 auto;
  padding: 0 var(--sp-5);
  text-align: center;
}
.about-hero__label {
  display: inline-block;
  margin-bottom: var(--sp-3);
}
.about-hero__heading {
  margin: 0 0 var(--sp-5);
}
.about-hero__lead {
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  line-height: var(--lh-relaxed);
  color: var(--fg-2);
  margin: 0;
  max-width: 36em;
  margin-inline: auto;
}

/* ============================================================
   2. Mission
   ============================================================ */

.about-mission {
  background: var(--cal-bg-soft);
}
.about-mission__bg-circle--a { width: 320px; height: 320px; top: -120px; left: -140px; opacity: 0.55; }
.about-mission__bg-circle--b { width: 220px; height: 220px; bottom: -90px; right: -80px; opacity: 0.4; }

.about-mission__inner {
  text-align: center;
  max-width: 880px;
}

.about-mission__quote {
  position: relative;
  margin: var(--sp-7) 0 var(--sp-6);
  padding: 0 var(--sp-5);
}
.about-mission__quote::before,
.about-mission__quote::after {
  content: "\201C";
  position: absolute;
  top: -32px;
  font-family: var(--font-display);
  font-size: 6rem;
  line-height: 1;
  color: var(--cal-teal-tint);
  pointer-events: none;
}
.about-mission__quote::before { left: -8px; }
.about-mission__quote::after {
  content: "\201D";
  right: -8px;
  top: auto;
  bottom: -88px;
}
.about-mission__quote-text {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--cal-teal-dark);
  margin: 0;
}

.about-mission__body {
  max-width: 36em;
  margin: var(--sp-7) auto 0;
  color: var(--fg-2);
  line-height: var(--lh-relaxed);
}
.about-mission__body p {
  margin: 0;
}
.about-mission__body p + p {
  margin-top: var(--sp-2);
}

/* ============================================================
   3. Story
   ============================================================ */

.about-story__bg-circle--a { width: 240px; height: 240px; top: 18%; right: -120px; opacity: 0.4; }

.about-story__inner {
  max-width: 720px;
}

.about-story__body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: var(--cal-text);
}
.about-story__body p {
  margin: 0;
}
.about-story__body p + p {
  margin-top: var(--sp-4);
}

/* The 3 voiced quotes (「既製のAIアプリ〜」など). Wrapped in a div so
   we can style them as a single visually-grouped block. */
.about-story__voices {
  margin: var(--sp-5) 0;
  padding: var(--sp-4) var(--sp-5);
  border-left: 3px solid var(--cal-teal);
  background: var(--cal-bg-soft);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}
.about-story__voices p {
  font-style: italic;
  color: var(--fg-2);
}
.about-story__voices p + p {
  margin-top: var(--sp-2);
}

.about-story__closing {
  margin-top: var(--sp-6);
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
  color: var(--cal-teal-dark);
}

/* ============================================================
   4. Values
   ============================================================ */

.about-values {
  background: var(--cal-bg-soft);
}
.about-values__bg-circle--a { width: 300px; height: 300px; top: 10%; right: -140px; opacity: 0.4; }
.about-values__bg-circle--b { width: 200px; height: 200px; bottom: -80px; left: -80px; opacity: 0.45; }

.about-values__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
  list-style: none;
  padding: 0;
  margin: 0;
}

.about-values__card {
  position: relative;
  background: var(--cal-white);
  border: 1px solid var(--cal-line);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  transition: border-color var(--t-base) var(--ease),
              transform var(--t-base) var(--ease),
              box-shadow var(--t-base) var(--ease);
}
.about-values__card:hover {
  border-color: var(--cal-teal);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.about-values__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--cal-teal);
  margin: 0;
}

.about-values__title {
  font-family: var(--font-body);
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
  color: var(--cal-text);
  margin: 0;
}

.about-values__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--cal-teal);
  color: var(--cal-white);
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-values__icon i,
.about-values__icon svg {
  width: 28px;
  height: 28px;
  stroke-width: 1.5;
}

.about-values__desc {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  line-height: var(--lh-relaxed);
  color: var(--fg-2);
  margin: 0;
}

/* ============================================================
   5. Founder
   ============================================================ */

.about-founder__bg-circle--a { width: 280px; height: 280px; bottom: -120px; right: -120px; opacity: 0.4; }

.about-founder__card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--sp-7);
  align-items: center;
  background: var(--cal-white);
  border: 1px solid var(--cal-line);
  border-radius: var(--r-lg);
  padding: var(--sp-7);
  max-width: 880px;
  margin: 0 auto;
  box-shadow: var(--shadow-xs);
}

.about-founder__avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: var(--cal-teal);
  color: var(--cal-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0;
}
/* When an <img> is dropped in to replace the initial, it fits the disc. */
.about-founder__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-founder__role {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--cal-teal);
  margin: 0 0 var(--sp-2);
}
.about-founder__name {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--cal-text);
  margin: 0 0 var(--sp-4);
}
.about-founder__quote {
  position: relative;
  padding-left: var(--sp-4);
  border-left: 3px solid var(--cal-teal);
  font-style: italic;
  color: var(--fg-2);
  line-height: var(--lh-relaxed);
  margin: 0;
}

/* Reserved for future career list. */
.about-founder__career {
  margin-top: var(--sp-5);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--cal-line);
  font-size: var(--fs-body-sm);
  color: var(--fg-2);
}
.about-founder__career ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

/* ============================================================
   6. Company table
   ============================================================ */

.about-company {
  background: var(--cal-bg-soft);
}
.about-company__bg-circle--a { width: 220px; height: 220px; top: -90px; right: -90px; opacity: 0.4; }

.about-company__inner {
  max-width: 720px;
}

.about-company__table {
  margin: 0;
  background: var(--cal-white);
  border: 1px solid var(--cal-line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.about-company__row {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: var(--sp-5);
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--cal-line);
}
.about-company__row:last-child {
  border-bottom: none;
}
.about-company__row dt {
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-semibold);
  color: var(--cal-teal);
  margin: 0;
}
.about-company__row dd {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--cal-text);
  line-height: var(--lh-relaxed);
  margin: 0;
}

/* ============================================================
   7. CTA
   ============================================================ */

.about-cta {
  background: var(--cal-teal-tint);
  padding: var(--sp-9) 0;
  text-align: center;
}
.about-cta__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--sp-5);
}
.about-cta__heading {
  margin: 0 0 var(--sp-4);
  color: var(--cal-teal-dark);
}
.about-cta__lead {
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  line-height: var(--lh-relaxed);
  color: var(--cal-text);
  margin: 0 0 var(--sp-6);
}
.about-cta__buttons {
  display: flex;
  gap: var(--sp-3);
  justify-content: center;
  flex-wrap: wrap;
}

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

@media (max-width: 1024px) {
  .about-values__cards {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin-inline: auto;
  }
}

@media (max-width: 768px) {
  .about-section {
    padding: var(--sp-7) 0;
  }
  .about-hero {
    padding: var(--sp-9) 0 var(--sp-7);
  }
  .about-hero__bg-circle--a { width: 260px; height: 260px; top: -90px; right: -110px; }
  .about-hero__bg-circle--b { width: 180px; height: 180px; bottom: -90px; left: -90px; }

  .about-mission__quote { margin-block: var(--sp-6); }
  .about-mission__quote::before,
  .about-mission__quote::after {
    font-size: 4rem;
  }
  .about-mission__quote::after { bottom: -64px; }

  .about-story__voices {
    padding: var(--sp-3) var(--sp-4);
  }

  .about-values__card {
    padding: var(--sp-5);
    gap: var(--sp-3);
  }

  .about-founder__card {
    grid-template-columns: 1fr;
    gap: var(--sp-5);
    padding: var(--sp-6);
    text-align: center;
  }
  .about-founder__avatar {
    margin-inline: auto;
    width: 120px;
    height: 120px;
    font-size: 3rem;
  }
  .about-founder__quote {
    text-align: left;
  }

  .about-company__row {
    grid-template-columns: 1fr;
    gap: var(--sp-1);
    padding: var(--sp-4);
  }

  .about-cta {
    padding: var(--sp-7) 0;
  }
}