:root {
  --color-gold: #b8a050;
  --color-gold-light: #c9b46a;
  --color-gold-dark: #9a8540;
  --color-bg-white: #ffffff;
  --color-bg-cream: #f5f0e8;
  --color-bg-header: #f8f4ec;
  --color-text-body: #4a4a4a;
  --color-text-heading: #333333;
  --color-text-light: #888888;
  --color-border: #d4c9b0;
  --color-required: #c45050;
  --color-curves-bg: #ede8df;

  --font-ja-serif: "Noto Serif JP", "Yu Mincho", "游明朝", "ヒラギノ明朝 ProN", serif;
  --font-en-serif: "Cormorant Garamond", Georgia, serif;

  --header-height-pc: 72px;
  --header-height-sp: 56px;
  --content-max-width: 1100px;
  --section-padding-pc: 100px 0;
  --section-padding-sp: 60px 0;
}

body {
  font-family: var(--font-ja-serif);
  font-size: 15px;
  color: var(--color-text-body);
  background-color: var(--color-bg-white);
  overflow-x: hidden;
}

.container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* ========================================
   Header
   ======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: transparent;
  height: var(--header-height-pc);
  padding-bottom: 20px;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 30px;
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-header__logo-img {
  height: 28px;
  width: auto;
}

.site-header__logo-mark {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text-heading);
  letter-spacing: 0.05em;
}

.site-header__logo-sub {
  font-size: 11px;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  border-left: 1px solid var(--color-border);
  padding-left: 12px;
  line-height: 1.4;
}

.site-header__title {
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--color-text-body);
  text-decoration: none;
  transition: opacity 0.3s;
}

.site-header__badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  text-decoration: none;
  transition: opacity 0.3s;
}

.site-header__title:hover,
.site-header__badge:hover {
  opacity: 0.7;
}

.site-header__badge-img {
  height: 36px;
  width: auto;
}

.site-header__badge-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en-serif);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: 0;
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
  background-color: #F5F3F0;
  padding: 0 0 50px;
  text-align: center;
}

.site-footer--white {
  background-color: #ffffff;
}

.site-footer__pagetop {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 0;
  margin-bottom: 40px;
  cursor: pointer;
  transition: opacity 0.3s;
}

.site-footer__pagetop:hover {
  opacity: 0.7;
}

.site-footer__pagetop-arrow {
  height: 40px;
}

.site-footer__pagetop-text {
  height: 14px;
}

.site-footer__logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 16px;
}

.site-footer__logo-link {
  display: inline-flex;
  align-items: center;
  transition: opacity 0.3s;
}

.site-footer__logo-link:hover {
  opacity: 0.7;
}

.site-footer__logo-img {
  height: 34px;
  width: auto;
}

.site-footer__copyright {
  font-size: 11px;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  margin-top: 12px;
  font-family: var(--font-en-serif);
}

/* ========================================
   Page Title Bar (Form / Privacy)
   ======================================== */
.page-title-bar {
  background: url('../assets/top/kasou_header.png') center / cover no-repeat;
  margin-top: var(--header-height-pc);
  padding: 24px 0;
  text-align: center;
}

.page-title-bar__text {
  font-size: 20px;
  color: #ffffff;
  letter-spacing: 0.3em;
  font-weight: 500;
}

/* ========================================
   Utilities
   ======================================== */
.text-gold {
  color: var(--color-gold);
}

.text-center {
  text-align: center;
}

.pc-only {
  display: inline;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
  body {
    font-size: 14px;
  }

  .container {
    padding: 0 20px;
  }

  .site-header {
    height: var(--header-height-sp);
  }

  .site-header__inner {
    padding: 0 12px;
    gap: 8px;
  }

  .site-header__logo {
    gap: 6px;
    flex-shrink: 0;
  }

  .site-header__logo-img {
    height: 18px;
  }

  .site-header__logo-mark {
    font-size: 16px;
  }

  .site-header__logo-sub {
    font-size: 8px;
    padding-left: 6px;
    line-height: 1.3;
  }

  .site-header__title {
    display: none;
  }

  .site-header__badge {
    font-size: 9px;
    gap: 4px;
    flex-shrink: 0;
    white-space: nowrap;
  }

  .site-header__badge-img {
    height: 26px;
  }

  .site-header__badge-circle {
    width: 26px;
    height: 26px;
    font-size: 9px;
  }

  .pc-only {
    display: none;
  }

  .page-title-bar {
    margin-top: var(--header-height-sp);
  }

  .page-title-bar__text {
    font-size: 16px;
    letter-spacing: 0.2em;
  }

  .site-footer__logo {
    font-size: 18px;
  }

  .site-footer__logo-sub {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}