#home {
  display: flex;
  padding: 0;
  background: var(--c-whisper);
}


/* main */
#main {
  position: relative;
  width: 38.2%;
  background: #fff;
}

#main img {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  opacity: 1;
  transition:
    filter 360ms var(--timing-function),
    opacity 360ms var(--timing-function);
}

#main img.hide {
  opacity: 0;
}

#main .ttl {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  height: 108px;
  line-height: 108px;
  font-size: 3.15rem;
  font-weight: 500;
  color: #fff;
  background: rgba(0, 0, 0, .63);
  background: linear-gradient(0deg, rgba(0, 0, 0, .63) 0%, rgba(0, 0, 0, 0) 100%);
  text-align: center;
}


/* list */
#list {
  width: 61.8%;
  height: 100vh;
  overflow: hidden;
  overflow-y: scroll;
}

#list .inner {
  display: grid;
  gap: 36px;
  margin: auto;
  padding: 45px 36px;
  box-sizing: border-box;
}

#list .block {
  display: grid;
  grid-template-columns: 172px 1fr;
  gap: 27px;
  margin: auto;
  padding: 18px 27px;
  max-width: 900px;
  min-height: 252px;
  width: 100%;
  background: #fff;
  box-shadow: var(--shadow);
  box-sizing: border-box;
  cursor: pointer;
}

#list .tmb {
  margin: 0 0 0 -45px;
  width: 216px;
  height: 216px;
  overflow: hidden;
  background: var(--c-iron);
  box-shadow: var(--shadow);
}

#list .unit {
  display: grid;
  gap: 27px;
  align-content: center;
}

#list .ttl {
  width: 100%;
  font-size: 3.2rem;
  font-weight: 500;
  line-height: 1.5;
}

#list .txt {
  width: 100%;
  font-size: 2.1rem;
  line-height: 1.5;
  color: var(--c-gray);
  text-align: justify;
}

/* active */
#main,
#list {
  transition:
    width 450ms var(--timing-function);
}

#home.active #main {
  width: 100%;
}

#home.active #main img {
  filter: grayscale(0);
}

#home.active #list {
  width: 0%;
}