/* ===========================
   Base Typography & Layout
   =========================== */

body {
  font-family: var(--font-gothic);
  font-weight: var(--fw-regular);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-body);
  color: var(--color-text);
  background: var(--color-bg);
}

/* === Container === */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--content-padding);
}
.container--narrow { max-width: var(--max-width-narrow); }
.container--wide   { max-width: var(--max-width-wide); }
.container--full   { max-width: none; padding: 0; }

/* === Section === */

.section {
  padding: var(--section-padding) 0;
}
.section--alt {
  background: var(--color-bg-alt);
}
.section--dark {
  background: var(--color-primary);
  color: var(--color-on-dark);
}

.section__header {
  margin-bottom: clamp(40px, 5vw, 60px);
}
/* Benchmark: Large English serif heading + small Japanese subtitle below */
.section__en {
  display: block;
  font-family: var(--font-english);
  font-weight: var(--fw-regular);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  line-height: 1.1;
  margin-bottom: 8px;
}
.section__title {
  font-family: var(--font-gothic);
  font-weight: var(--fw-light);
  font-size: var(--fs-small);
  letter-spacing: 0.1em;
  color: var(--color-text-light);
}
.section--dark .section__title { color: var(--color-on-dark-sub); }
.section--dark .section__en    { color: var(--color-on-dark); }

.section__lead {
  font-size: var(--fs-body-large);
  font-weight: var(--fw-medium);
  color: var(--color-text-sub);
  letter-spacing: var(--ls-wide);
  line-height: var(--lh-body);
  max-width: 700px;
  margin: 16px auto 0;
}
.section__sub-heading {
  font-family: var(--font-english);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  color: var(--color-text-light);
  margin-bottom: 16px;
}

/* === Grid === */

.grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* === Bullet List === */

.bullet-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 16px;
  font-size: var(--fs-body);
  color: var(--color-text-sub);
  line-height: var(--lh-body);
}
.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  background: var(--color-theme);
  border-radius: 50%;
}

/* === Fade-in Animation === */
/* Benchmark: opacity only, no translateY, no stagger delay */

.js-fade-in {
  opacity: 0;
  transition: opacity 0.8s ease-out;
}
.js-fade-in.is-visible {
  opacity: 1;
}

/* === Photo Placeholder (pending assets) === */

.photo-placeholder {
  width: 100%;
  background: var(--color-bg-block);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: var(--fs-caption);
  font-family: var(--font-english);
  letter-spacing: var(--ls-body);
  overflow: hidden;
}
.photo-placeholder::before {
  content: attr(data-label);
}