* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  color: #6d4a39;
  background: #f8f7f2;
  line-height: 1.7;
}

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

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

ul {
  list-style: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #efe5dc;
}

.site-header__inner {
  width: min(100%, 1200px);
  margin: 0 auto;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 20px;
}

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

.site-logo img {
  width: 160px;
}

.site-logo span {
  font-size: 12px;
  color: #fff;
  background: #e0797a;
  border-radius: 999px;
  padding: 4px 12px;
}

.site-nav ul,
.site-footer__nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}

.site-nav a,
.site-footer__nav a {
  font-size: 14px;
  font-weight: 700;
}

.kv {
  padding: 72px 20px 56px;
  background:
    radial-gradient(circle at top right, rgba(224,121,122,.12), transparent 32%),
    radial-gradient(circle at left bottom, rgba(144,207,130,.18), transparent 28%),
    #f8f7f2;
}

.kv__inner {
  width: min(100%, 920px);
  margin: 0 auto;
  background: #fff;
  border: 1px solid #f0e5da;
  border-radius: 32px;
  padding: 56px 32px;
  text-align: center;
  box-shadow: 0 12px 30px rgba(109,74,57,0.08);
}

.kv__label {
  display: inline-block;
  margin-bottom: 18px;
  padding: 6px 14px;
  border-radius: 999px;
  background: #fbe7e7;
  color: #e0797a;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
}

.kv__title {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.35;
  margin-bottom: 18px;
}

.kv__text {
  font-size: 16px;
  margin-bottom: 30px;
}

.kv__buttons,
.contact-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.cta-button {
  min-width: 240px;
  padding: 16px 24px;
  border-radius: 999px;
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  transition: transform .2s ease, opacity .2s ease;
  box-shadow: 0 8px 18px rgba(0,0,0,.08);
}

.cta-button:hover {
  transform: translateY(-2px);
  opacity: .95;
}

.cta-button--orange {
  background: linear-gradient(135deg, #f5aa43, #ef8f36);
  color: #fff;
}

.cta-button--green {
  background: linear-gradient(135deg, #97cf83, #70b773);
  color: #fff;
}

.cta-button--outline {
  background: #fff;
  color: #6d4a39;
  border: 2px solid #e1d2c4;
  box-shadow: none;
}

.message {
  padding: 0 20px 64px;
}

.message-card,
.contact-box {
  width: min(100%, 920px);
  margin: 0 auto;
  background: #fff;
  border-radius: 28px;
  padding: 40px 28px;
  box-shadow: 0 10px 24px rgba(109,74,57,0.06);
  border: 1px solid #f0e5da;
  text-align: center;
}

.message-card__lead,
.contact-box__lead {
  color: #e0797a;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
}

.message-card__title {
  font-size: clamp(24px, 3vw, 34px);
  margin-bottom: 18px;
}

.message-card__body {
  font-size: 15px;
}

.contact-section {
  padding: 0 20px 80px;
}

.site-footer {
  background: #fff;
  border-top: 1px solid #efe5dc;
  text-align: center;
  padding: 36px 20px 28px;
}

.site-footer__logo img {
  width: 180px;
  margin: 0 auto 22px;
}

.site-footer__nav ul {
  justify-content: center;
  margin-bottom: 18px;
}

.site-footer small {
  display: block;
  font-size: 12px;
  color: #8b6f60;
}

.page-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 100;
}

.page-top a {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #e0797a;
  color: #fff;
  box-shadow: 0 8px 18px rgba(0,0,0,.12);
}

.menu-toggle {
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  display: grid;
  align-content: center;
  gap: 6px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 28px;
  height: 2px;
  margin: 0 auto;
  background: #6d4a39;
  transition: .2s ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.sp-menu {
  display: none;
  background: #fff;
  border-top: 1px solid #efe5dc;
}

.sp-menu.is-open {
  display: block;
}

.sp-menu ul {
  padding: 10px 20px 20px;
}

.sp-menu li + li {
  margin-top: 10px;
}

.sp-menu a {
  display: block;
  padding: 12px 8px;
  font-weight: 700;
  border-bottom: 1px solid #f2ebe5;
}

.pc-only { display: block; }
.sp-only { display: none; }

@media (max-width: 767px) {
  .pc-only { display: none; }
  .sp-only { display: block; }

  .site-header__inner {
    min-height: 62px;
    padding: 10px 14px;
  }

  .site-logo img {
    width: 132px;
  }

  .site-logo span {
    display: none;
  }

  .kv {
    padding: 42px 14px 32px;
  }

  .kv__inner,
  .message-card,
  .contact-box {
    padding: 34px 18px;
    border-radius: 22px;
  }

  .kv__text,
  .message-card__body {
    font-size: 14px;
  }

  .cta-button {
    min-width: 100%;
    font-size: 15px;
    padding: 14px 16px;
  }

  .message {
    padding: 0 14px 40px;
  }

  .contact-section {
    padding: 0 14px 56px;
  }

  .site-footer {
    padding: 28px 14px 22px;
  }

  .site-footer__nav ul {
    gap: 12px 18px;
  }

  .site-footer__nav a {
    font-size: 13px;
  }

  .page-top {
    right: 12px;
    bottom: 12px;
  }
}