.site-shell {
  display: block;
  background: #f7f5ef;
}

.site-main-frame {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  background: #fff;
}

.site-side {
  display: none;
}

.site-main {
  width: 100%;
}

.pc-brand {
  width: min(280px, 80%);
  text-align: center;
  color: #4f7362;
}

.pc-brand__logo {
  width: min(220px, 70%);
  height: auto;
  display: block;
  margin: 0 auto 24px;
}

.pc-brand__copy {
  font-family: "Noto Serif JP", serif;
  margin: 0 0 24px;
  font-size: 18px;
  line-height: 1.8;
  letter-spacing: 0.08em;
  color: #355243;
}

.pc-brand__sub {
  margin: 0;
  font-size: 14px;
  line-height: 2;
  letter-spacing: 0.08em;
  color: #6c7d73;
}

/* 右 */
.pc-side-cta {
  width: min(320px, 82%);
  text-align: center;
}

.pc-side-cta__img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 24px;
}

.pc-side-cta__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: #5b655f;
}

@media (min-width: 1100px) {
  .site-shell {
    display: grid;
    grid-template-columns: 1fr minmax(320px, 430px) 1fr;
    min-height: 100vh;
    background: #f7f5ef;
  }

  .site-side {
    display: block;
    position: relative;
    background: #f7f5ef;
  }

  .site-side__inner {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: calc((100vw - 430px) / 2);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
  }

  .site-side-left .site-side__inner {
    left: 0;
  }

  .site-side-right .site-side__inner {
    right: 0;
    top: 48%;
  }

  .site-main-frame {
    width: 100%;
    max-width: 430px;
    box-shadow: 0 0 24px rgba(0, 0, 0, 0.08);
    position: relative;
    z-index: 2;
    background: #fff;
  }
}