:root {
  color-scheme: light;
  --ink: #17130f;
  --paper: #f5f2eb;
  --white: #ffffff;
  --muted: #706a62;
  --line: rgba(23, 19, 15, 0.18);
  --accent: #c73523;
  --indigo: #283a4e;
  font-family: "Yu Gothic", "YuGothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.shell {
  width: min(100% - 40px, 980px);
  margin-inline: auto;
}

.hero {
  position: relative;
  min-height: min(76svh, 760px);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero__image,
.hero__shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__image {
  object-fit: cover;
  object-position: 56% center;
}

.hero__shade {
  background:
    linear-gradient(180deg, rgba(10, 8, 7, 0.25) 0%, rgba(10, 8, 7, 0.05) 32%, rgba(10, 8, 7, 0.88) 100%),
    linear-gradient(90deg, rgba(10, 8, 7, 0.65) 0%, transparent 70%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-block: 30px 50px;
}

.brand {
  margin: 0;
  font-family: Georgia, "Times New Roman", "Yu Mincho", serif;
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  font-style: italic;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.eyebrow,
.kicker,
.section-number,
.info__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.eyebrow {
  margin: 52px 0 8px;
  color: rgba(255, 255, 255, 0.72);
}

h1 {
  max-width: 780px;
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(2.6rem, 8vw, 5.8rem);
  font-weight: 500;
  letter-spacing: 0.05em;
  line-height: 1.24;
  text-wrap: balance;
}

.intro {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 36px;
  padding-block: clamp(74px, 10vw, 128px);
}

.section-number {
  margin: 7px 0 0;
  padding-top: 4px;
  border-top: 3px solid var(--accent);
  color: var(--accent);
}

.kicker {
  margin: 0 0 10px;
  color: var(--accent);
}

h2 {
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.8rem, 4.5vw, 3.2rem);
  font-weight: 500;
  letter-spacing: 0.035em;
  line-height: 1.55;
}

.lead {
  max-width: 670px;
  margin: 32px 0 0;
  color: #3d3933;
  font-size: clamp(1rem, 2vw, 1.12rem);
  line-height: 2.05;
}

.notice-wrap {
  color: var(--white);
  background: var(--indigo);
}

.notice {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 36px;
  padding-block: clamp(64px, 9vw, 108px);
}

.notice__mark {
  width: 64px;
  height: 64px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #f6cabf;
  font-family: Georgia, serif;
  font-size: 2.4rem;
  line-height: 1;
}

.notice .kicker {
  color: #f1a28e;
}

.notice p:last-child {
  max-width: 650px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 2;
}

.info {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
  margin-block: 52px;
  padding: 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.info p {
  margin: 0;
}

.info__label {
  color: var(--muted);
}

footer {
  color: rgba(255, 255, 255, 0.68);
  background: var(--ink);
}

.footer__inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding-block: 30px;
}

.footer__inner p:last-child {
  margin: 0;
  font-size: 0.75rem;
}

.brand--footer {
  color: var(--white);
  font-size: 1.05rem;
}

.mobile-break {
  display: none;
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 32px, 980px);
  }

  .hero {
    min-height: 610px;
  }

  .hero__image {
    object-position: 54% center;
  }

  .hero__content {
    padding-bottom: 38px;
  }

  .eyebrow {
    margin-top: 96px;
  }

  h1 {
    font-size: clamp(2.75rem, 13vw, 4.1rem);
  }

  .intro,
  .notice {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .intro {
    padding-block: 72px 78px;
  }

  .section-number {
    width: 54px;
  }

  .lead {
    margin-top: 24px;
    line-height: 1.95;
  }

  .notice__mark {
    width: 54px;
    height: 54px;
    font-size: 2rem;
  }

  .info {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-inline: 0;
  }

  .footer__inner {
    display: grid;
  }

  .mobile-break {
    display: initial;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}