:root {
  --paper: #fbfaf7;
  --ink: #171717;
  --muted: #65615b;
  --line: #ddd7cd;
  --sage: #677866;
  --indigo: #182746;
  --plum: #7c4f65;
  --white: #fff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  letter-spacing: 0;
  line-height: 1.8;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  align-items: center;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  left: 0;
  padding: 16px clamp(20px, 5vw, 72px);
  position: fixed;
  right: 0;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
}

.brand {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.1;
}

.hero {
  align-items: end;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.34) 38%, rgba(0, 0, 0, 0.02) 72%),
    url("assets/hitomi-portrait.jpg") center right / cover no-repeat;
  color: var(--white);
  display: flex;
  min-height: min(680px, 74svh);
  padding: 120px clamp(20px, 8vw, 104px) 72px;
}

.hero-copy {
  max-width: 560px;
}

.eyebrow,
.section-kicker {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

.hero h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.2rem, 7vw, 6.8rem);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 0.98;
  margin: 0 0 22px;
}

.hero p:last-child {
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  font-weight: 700;
  margin: 0;
}

.intro,
.section-band {
  padding: clamp(56px, 9vw, 112px) clamp(20px, 8vw, 104px);
}

.intro-inner,
.section-inner {
  margin: 0 auto;
  max-width: 1040px;
}

.intro-inner {
  display: grid;
  gap: clamp(32px, 8vw, 96px);
  grid-template-columns: minmax(220px, 0.62fr) minmax(280px, 1fr);
}

.intro h2,
.section-band h2 {
  font-size: clamp(1.65rem, 3vw, 2.7rem);
  letter-spacing: 0;
  line-height: 1.35;
  margin: 0;
}

.intro-text {
  border-left: 1px solid var(--line);
  color: #242424;
  font-size: clamp(1.05rem, 1.4vw, 1.22rem);
  font-weight: 650;
  padding-left: clamp(24px, 4vw, 56px);
}

.intro-text p {
  margin: 0 0 34px;
}

.intro-text p:last-child {
  margin-bottom: 0;
}

.section-band {
  border-top: 1px solid var(--line);
}

.section-book {
  background: var(--white);
}

.section-about {
  background: #f5f7f2;
}

.section-community {
  background: #f9f3f5;
}

.section-inner {
  display: grid;
  gap: 18px;
  grid-template-columns: 180px minmax(220px, 360px) minmax(280px, 1fr);
}

.section-kicker {
  color: var(--sage);
  padding-top: 12px;
}

.section-about .section-kicker {
  color: var(--indigo);
}

.section-community .section-kicker {
  color: var(--plum);
}

.section-band p:not(.section-kicker) {
  color: var(--muted);
  font-size: clamp(1rem, 1.25vw, 1.16rem);
  margin: 6px 0 0;
  max-width: 620px;
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  font-family: Georgia, "Times New Roman", serif;
  justify-content: center;
  min-height: 112px;
  padding: 32px 20px;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 820px) {
  .site-header {
    padding: 14px 20px;
  }

  .hero {
    background:
      linear-gradient(180deg, rgba(0, 0, 0, 0.12) 0%, rgba(0, 0, 0, 0.08) 46%, rgba(0, 0, 0, 0.78) 100%),
      url("assets/hitomi-portrait.jpg") 60% center / cover no-repeat;
    min-height: 560px;
    padding: 150px 20px 42px;
  }

  .hero h1 {
    font-size: clamp(3rem, 15vw, 4.5rem);
  }

  .intro-inner,
  .section-inner {
    grid-template-columns: 1fr;
  }

  .intro-text {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 28px;
  }

  .section-kicker {
    padding-top: 0;
  }
}
@media (max-width: 440px) {
  .hero {
    min-height: 520px;
  }

  .intro,
  .section-band {
    padding-left: 18px;
    padding-right: 18px;
  }
}