:root {
  --page-bg: #f2f0ed;
  --content-bg: #ffffff;
  --text: #171717;
  --muted: #676767;
  --accent: #9a5e55;
  --accent-dark: #74443d;
  --accent-soft: #f5ebe8;
  --border: #ddd4d0;
  --content-width: 980px;
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--page-bg);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Hiragino Kaku Gothic ProN",
    "Hiragino Sans",
    "Yu Gothic",
    "Meiryo",
    sans-serif;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-shell {
  width: min(100%, var(--content-width));
  margin: 0 auto;
  background: var(--content-bg);
  box-shadow: var(--shadow);
}

.intro {
  padding: 42px 24px 36px;
  text-align: center;
  background: #fff;
}

.intro__eyebrow {
  margin: 0 0 22px;
  font-size: clamp(13px, 2.8vw, 18px);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.intro__logo {
  width: min(300px, 64vw);
  margin: 0 auto;
}

.intro__date {
  margin: 22px 0 0;
  font-family:
    "Times New Roman",
    "Yu Mincho",
    "YuMincho",
    serif;
  font-size: clamp(17px, 4vw, 28px);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.visual-section {
  margin: 0;
  padding: 0;
  background: #fff;
}

.cta-panel {
  position: relative;
  margin: 0;
  padding: clamp(42px, 8vw, 86px) clamp(22px, 6vw, 64px);
  overflow: hidden;
  text-align: center;
  background:
    radial-gradient(circle at top right, rgba(154, 94, 85, 0.13), transparent 40%),
    linear-gradient(180deg, #fff 0%, var(--accent-soft) 100%);
  border-block: 1px solid var(--border);
}

.cta-panel::before,
.cta-panel::after {
  position: absolute;
  content: "";
  width: 120px;
  height: 1px;
  background: var(--accent);
  opacity: 0.45;
}

.cta-panel::before {
  top: 28px;
  left: -30px;
  transform: rotate(35deg);
}

.cta-panel::after {
  right: -30px;
  bottom: 28px;
  transform: rotate(35deg);
}

.cta-panel__kicker {
  margin: 0 0 14px;
  color: var(--accent-dark);
  font-size: clamp(13px, 2.8vw, 18px);
  font-weight: 800;
  letter-spacing: 0.12em;
}

.cta-panel__title {
  margin: 0;
  font-family:
    "Yu Mincho",
    "YuMincho",
    "Hiragino Mincho ProN",
    serif;
  font-size: clamp(28px, 6.5vw, 56px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.cta-panel__copy {
  margin: 20px 0 0;
  font-size: clamp(15px, 3.2vw, 22px);
  font-weight: 700;
  line-height: 1.7;
}

.cta-button {
  display: flex;
  width: min(100%, 660px);
  min-height: 76px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 30px auto 0;
  padding: 18px 24px;
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  box-shadow: 0 12px 28px rgba(116, 68, 61, 0.22);
  font-size: clamp(17px, 4vw, 24px);
  font-weight: 800;
  line-height: 1.35;
  text-decoration: none;
  transition:
    transform 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.cta-button:hover {
  background: var(--accent-dark);
  box-shadow: 0 15px 34px rgba(116, 68, 61, 0.3);
  transform: translateY(-2px);
}

.cta-button:focus-visible,
.sticky-cta__link:focus-visible {
  outline: 4px solid rgba(154, 94, 85, 0.28);
  outline-offset: 4px;
}

.cta-panel__note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.cta-panel--last {
  padding-bottom: clamp(70px, 12vw, 120px);
}

.footer {
  padding: 52px 24px 130px;
  text-align: center;
  background: #fff;
}

.footer__label {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.2em;
}

.footer__name {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.footer__brand {
  margin: 8px 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
  letter-spacing: 0.12em;
}

.sticky-cta {
  position: fixed;
  z-index: 50;
  right: 0;
  bottom: 0;
  left: 0;
  padding:
    10px
    max(12px, env(safe-area-inset-right))
    max(10px, env(safe-area-inset-bottom))
    max(12px, env(safe-area-inset-left));
  background: rgba(255, 255, 255, 0.92);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.sticky-cta__link {
  display: grid;
  width: min(100%, 720px);
  min-height: 62px;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 14px;
  margin: 0 auto;
  padding: 10px 20px;
  color: #fff;
  background: var(--accent);
  border-radius: 16px;
  box-shadow: 0 10px 24px rgba(116, 68, 61, 0.24);
  text-decoration: none;
}

.sticky-cta__small {
  grid-column: 1;
  grid-row: 1 / 3;
  padding-right: 14px;
  border-right: 1px solid rgba(255, 255, 255, 0.42);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
}

.sticky-cta__link strong {
  grid-column: 2;
  grid-row: 1 / 3;
  font-size: clamp(15px, 3.8vw, 20px);
  text-align: center;
}

.sticky-cta__link > span:last-child {
  grid-column: 3;
  grid-row: 1 / 3;
  font-size: 22px;
}

@media (min-width: 981px) {
  body {
    padding: 34px 0;
  }

  .site-shell {
    border-radius: 4px;
    overflow: hidden;
  }

  .sticky-cta {
    right: 24px;
    bottom: 24px;
    left: auto;
    width: 360px;
    padding: 0;
    background: transparent;
    border: 0;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .sticky-cta__link {
    border-radius: 18px;
  }

  .footer {
    padding-bottom: 72px;
  }
}

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

  .cta-button {
    transition: none;
  }
}