.keyvisual {
  position: relative;
  background: url(img/kv.jpg) no-repeat center/cover;
  height: 450px;
  margin-top: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.keyvisual .heading {
  position: absolute;
  top: 18px;
  left: 30px;
}

@media screen and (min-width: 980px) {
  .keyvisual {
    height: 750px;
  }
}

.keyvisual .brand {
  font-size: 18px;
  font-family: var(--serif);
  letter-spacing: 0.5em;
  color: white;
  font-weight: bold;
}

.section {
  padding: 50px 0;
}

.room {
  color: white;
  background: var(--primary-container);
}

.room .eyecatch {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 30px;
}

.room .heading-ruby {
  font-size: 15px;
  font-family: var(--serif);
  letter-spacing: 0.5em;
  line-height: 1.5;
  margin-bottom: 4px;
}

.room .heading {
  font-family: var(--serif);
  font-weight: bold;
  font-size: 16px;
  margin-bottom: 10px;
  line-height: 1.5;
}

.section .title-ruby {
  font-size: 15px;
  font-family: var(--serif);
  letter-spacing: 0.5em;
  line-height: 1.5;
  margin-bottom: 4px;
}

.section .title {
  font-size: 16px;
  margin-bottom: 18px;
  font-family: var(--serif);
  line-height: 1.5;
}

.section .visual {
  display: block;
  margin-bottom: 16px;
  width: 100%;
  height: auto;
}

section.-image {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: white;
  height: 666px;
}

.origin {
  background: url(img/origin-background.jpg) no-repeat center/cover;
}

.dorozome {
  background: url(img/dorozome-background.jpg) no-repeat center/cover;
}

.gallery {
  background: var(--primary-container);
  color: white;
  padding: 50px 0;
}

.gallery .heading {
  font-size: 15px;
  font-family: var(--serif);
  letter-spacing: 0.5em;
  line-height: 1.5;
  margin-bottom: 24px;
}

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

@media screen and (min-width: 980px) {
  .gallery .imagelist {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.lightbox {
  position: fixed;
  display: flex;
  inset: 0;
  justify-content: center;
  align-items: center;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2;
  backdrop-filter: blur(10px);
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
}

.lightbox {
  display: none;
}

.lightbox.open {
  display: flex;
}