/* =====================================================
   ABOUT PAGE — assets/css/about.css
   ===================================================== */

/* =====================================================
   SHARED INNER WRAPPER
   ===================================================== */

.about-section__inner {
  max-width: 1027px;
  margin-inline: auto;
  padding-inline: clamp(16px, 10.57vw, 203px);
}

/* =====================================================
   HERO / MV
   ===================================================== */

.about-mv {
  position: relative;
  background: #4b2f0e;
  height: clamp(220px, 30.9vw, 593px);
  overflow: hidden;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.about-mv__photo {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(899px, 46.8vw);
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-mv__deco {
  position: absolute;
  right: 0;
  bottom: 0;
  width: clamp(200px, 30vw, 576px);
  pointer-events: none;
  display: block;
}

.about-mv__deco img {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 767px) {
  .about-mv {
    height: auto;
    aspect-ratio: 4 / 3;
    min-height: 200px;
  }

  .about-mv__photo {
    width: 100%;
    left: 0;
    transform: none;
  }

  .about-mv__deco {
    width: 50vw;
  }
}

/* =====================================================
   CATCH PHRASE
   ===================================================== */

.about-catch {
  padding-top: clamp(40px, 5.2vw, 100px);
  padding-bottom: clamp(24px, 3vw, 48px);
  text-align: center;
  position: relative;
}

.about-catch__inner {
  max-width: 1004px;
  margin-inline: auto;
  padding-inline: clamp(16px, 2.5vw, 40px);
}

.about-catch__text {
  font-family: var(--font-mincho);
  font-size: clamp(0.9375rem, 1.25vw, 1.5rem);
  line-height: 2.25;
  color: #4d4c4c;
  letter-spacing: 0.02em;
}

.about-catch__deco {
  margin: clamp(20px, 3vw, 48px) auto 0;
  max-width: min(536px, 60vw);
  mix-blend-mode: multiply;
}

.about-catch__deco img {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 767px) {
  .about-catch {
    padding-top: 32px;
  }

  .about-catch__text {
    font-size: 0.9375rem;
    line-height: 2;
    text-align: left;
  }

  .about-catch__deco {
    max-width: 70vw;
  }
}

/* =====================================================
   COMMON SECTION
   ===================================================== */

.about-section {
  padding-top: clamp(48px, 6.25vw, 120px);
  padding-bottom: clamp(40px, 5vw, 80px);
}

.about-section__heading {
  font-family: var(--font-mincho);
  font-size: clamp(1.5rem, 2.08vw, 2.5rem);
  font-weight: 700;
  color: #4d4c4c;
  letter-spacing: 0.05em;
  margin-bottom: clamp(20px, 2.5vw, 48px);
}

.about-section__lead {
  font-family: var(--font-mincho);
  font-size: clamp(0.875rem, 1.04vw, 1.25rem);
  line-height: 2;
  color: #4d4c4c;
  margin-bottom: clamp(24px, 3vw, 48px);
}

.about-section__photo {
  display: block;
  width: 100%;
  height: clamp(220px, 36vw, 692px);
  object-fit: cover;
  margin-top: clamp(20px, 2.5vw, 40px);
}

@media (max-width: 767px) {
  .about-section {
    padding-top: 48px;
    padding-bottom: 40px;
  }

  .about-section__heading {
    font-size: 1.625rem;
  }

  .about-section__lead {
    font-size: 0.9375rem;
  }

  .about-section__photo {
    height: auto;
    aspect-ratio: 3 / 2;
  }
}

/* =====================================================
   ACTIONS LIST
   ===================================================== */

.about-action-list {
  list-style: none;
  padding: 0;
  margin: 0 0 clamp(24px, 3vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 0;
  counter-reset: action-counter;
}

.about-action-list__item {
  font-family: var(--font-mincho);
  font-size: clamp(0.875rem, 1.04vw, 1.25rem);
  line-height: 2;
  color: #4d4c4c;
  padding: 4px 0 4px 2em;
  position: relative;
  counter-increment: action-counter;
}

.about-action-list__item::before {
  content: counter(action-counter);
  position: absolute;
  left: 0;
  font-family: 'Meiryo', var(--font-gothic);
  font-weight: 700;
  color: #4d4c4c;
}

/* 2×2 Photo Grid */
.about-action-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(8px, 1vw, 16px);
  margin-top: clamp(16px, 2vw, 32px);
}

.about-action-photos__item {
  display: block;
  width: 100%;
  aspect-ratio: 505 / 362;
  object-fit: cover;
}

@media (max-width: 567px) {
  .about-action-photos {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   WHO — Portraits (offset stack)
   ===================================================== */

.about-portraits {
  position: relative;
  height: clamp(280px, 42vw, 800px);
  margin-bottom: clamp(24px, 3vw, 48px);
}

.about-portraits__item {
  position: absolute;
  width: clamp(120px, 18.9vw, 363px);
  aspect-ratio: 363 / 514;
  overflow: hidden;
  border: 1px solid #707070;
  box-shadow: 10px 10px 5px rgba(0, 0, 0, 0.16);
}

.about-portraits__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Figma: item1 left=447, top=4186; item2 left=779, top=4340; item3 left=1111, top=4186
   Relative to section inner left edge (447px), normalized:
   item1: left=0,   top=0
   item2: left=332, top=154
   item3: left=664, top=0
   Width unit: 363px in 1027px total → 35.3%
   Offsets as % of container width */
.about-portraits__item--1 {
  left: 0;
  top: 0;
}

.about-portraits__item--2 {
  left: clamp(100px, 32.3vw, 332px);
  top: clamp(40px, 8vw, 154px);
}

.about-portraits__item--3 {
  left: clamp(200px, 64.6vw, 664px);
  top: 0;
}

/* Who section 2-column photos */
.about-who-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(8px, 1vw, 16px);
  margin-top: clamp(16px, 2vw, 32px);
}

.about-who-photos__item {
  display: block;
  width: 100%;
  aspect-ratio: 1027 / 645;
  object-fit: cover;
}

@media (max-width: 767px) {
  .about-portraits {
    position: static;
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: auto;
    align-items: center;
  }

  .about-portraits__item {
    position: static;
    width: min(280px, 80vw);
    box-shadow: 6px 6px 4px rgba(0, 0, 0, 0.16);
  }

  .about-who-photos {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   TIMELINE
   ===================================================== */

.about-timeline {
  border-top: 1px solid #4d4c4c;
}

.about-timeline__row {
  display: grid;
  grid-template-columns: 5em 3em 1fr;
  gap: 0 clamp(8px, 1vw, 16px);
  border-bottom: 1px solid #ccc;
  padding: 6px 0;
  align-items: baseline;
}

.about-timeline__row--year-start {
  border-top: 1px solid #4d4c4c;
  margin-top: -1px;
}

.about-timeline__year,
.about-timeline__month {
  font-family: var(--font-gothic);
  font-size: clamp(0.75rem, 0.94vw, 1.125rem);
  font-weight: 700;
  color: #707070;
  white-space: nowrap;
  line-height: 1.875;
  flex-shrink: 0;
}

.about-timeline__month {
  text-align: right;
}

.about-timeline__text {
  font-family: var(--font-gothic);
  font-size: clamp(0.75rem, 0.94vw, 1.125rem);
  line-height: 1.875;
  color: #4d4c4c;
}

@media (max-width: 767px) {
  .about-timeline__row {
    grid-template-columns: 4em 2.5em 1fr;
    gap: 0 8px;
  }

  .about-timeline__year,
  .about-timeline__month,
  .about-timeline__text {
    font-size: 0.8125rem;
  }
}

/* =====================================================
   SPONSORS TABLE
   ===================================================== */

.about-sponsors {
  width: 100%;
  border-collapse: collapse;
  border-top: 1px solid #4d4c4c;
}

.about-sponsors__row {
  border-bottom: 1px solid #ccc;
}

.about-sponsors__name {
  font-family: var(--font-gothic);
  font-size: clamp(0.875rem, 1.15vw, 1.375rem);
  font-weight: 700;
  color: #4d4c4c;
  line-height: 2;
  padding: 8px 24px 8px 0;
  white-space: nowrap;
  vertical-align: middle;
  width: 260px;
  text-align: left;
}

.about-sponsors__desc {
  font-family: var(--font-gothic);
  font-size: clamp(0.8125rem, 0.94vw, 1.125rem);
  color: #4d4c4c;
  line-height: 2;
  padding: 8px 0;
  vertical-align: middle;
}

@media (max-width: 767px) {
  .about-sponsors__row {
    display: flex;
    flex-direction: column;
    padding: 10px 0;
  }

  .about-sponsors__name {
    width: auto;
    font-size: 0.9375rem;
    padding-bottom: 2px;
  }

  .about-sponsors__desc {
    font-size: 0.8125rem;
    padding-top: 0;
    line-height: 1.6;
  }
}