:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #2b2f35;
  --text-soft: #5a6069;
  --line: #d8dde3;
  --accent: #2d7dd2;
  --accent-hover: #2569ae;
  --warm-link: #c58a67;
  --shadow: 0 18px 44px rgba(24, 32, 45, 0.08);
  --radius-card: 20px;
  --radius-image: 14px;
  --radius-button: 10px;
  --radius-pill: 14px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: "Inter", Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

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

.page-shell {
  width: min(var(--max-width), calc(100% - 48px));
  margin: 0 auto;
  padding: 52px 0 76px;
}

.site-header {
  margin-bottom: 36px;
}

.brand {
  font-size: clamp(1.9rem, 3vw, 2.55rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  color: var(--text);
}

.hero-card {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 46px;
}

.hero-media {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hero-image {
  width: 100%;
  aspect-ratio: 1 / 1.02;
  object-fit: cover;
  border-radius: var(--radius-image);
}

.photo-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  width: 100%;
}

.photo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 12px 14px;
  border: 1px solid #d9dee5;
  border-radius: var(--radius-pill);
  background: #ffffff;
  color: var(--text-soft);
  font-size: 0.97rem;
  font-weight: 500;
  transition: border-color 0.2s ease, color 0.2s ease,
    background-color 0.2s ease, transform 0.2s ease;
}

.photo-link:hover {
  color: var(--text);
  border-color: #bcc5cf;
  background: #fbfcfd;
  transform: translateY(-1px);
}

.photo-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

.hero-content {
  max-width: 640px;
}

.hero-content h1 {
  margin: 0 0 24px;
  font-size: clamp(1.55rem, 2.5vw, 2.55rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
  font-weight: 700;
  color: var(--text);
  max-width: none;
}

.hero-content p {
  margin: 0 0 22px;
  font-size: 1.08rem;
  line-height: 1.74;
  color: var(--text-soft);
  max-width: 60ch;
}

.inline-link {
  color: var(--warm-link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.inline-link:hover {
  opacity: 0.88;
}

.guiding-sentence {
  margin-top: 34px;
  margin-bottom: 24px;
  font-size: 1.28rem;
  line-height: 1.58;
  color: var(--text);
  max-width: 34ch;
}

.divider {
  width: min(100%, 570px);
  height: 1px;
  background: var(--line);
  margin: 0 0 28px;
}

.actions {
  margin-bottom: 0;
}

.button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 170px;
  padding: 14px 22px;
  border-radius: var(--radius-button);
  background: var(--accent);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.button-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  .hero-card {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 30px;
  }

  .hero-content {
    max-width: none;
  }

  .hero-content h1 {
    max-width: none;
  }

  .hero-image {
    max-width: 480px;
  }

  .hero-media {
    max-width: 480px;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(var(--max-width), calc(100% - 24px));
    padding: 28px 0 40px;
  }

  .site-header {
    margin-bottom: 22px;
  }

  .hero-card {
    padding: 18px;
    border-radius: 16px;
  }

  .hero-content h1 {
    font-size: 1.72rem;
    margin-bottom: 18px;
  }

  .hero-content p {
    font-size: 1rem;
    line-height: 1.68;
  }

  .guiding-sentence {
    font-size: 1.14rem;
    margin-top: 26px;
  }

  .button-primary {
    width: 100%;
  }

  .photo-links {
    grid-template-columns: 1fr;
  }
}