/*
----------------------------------------

block-box

----------------------------------------
*/

.block-box {
  position: relative;
  padding-block: clamp(50px, calc(100vw * 100 / 1440), 100px);

  --color-black: #211d1a;
  --color-brown: #63605e;
  --color-brown-dark: #895934;
  --line-height: 1.75;
  --letter-spacing: 0.1em;
}

.block-box .container {
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0px 0px 50px 0px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  padding-inline: clamp(70px, calc(100vw * 140 / 1440), 140px);
  padding-block: clamp(30px, calc(100vw * 60 / 1440), 60px);
  width: min(100%, 700px);
  margin-inline: auto;
}

.block-box .en {
  font-family: var(--font-athena);
  font-weight: 400;
  font-size: clamp(24px, calc(100vw * 32 / 1440), 32px);
  line-height: 1;
  letter-spacing: var(--letter-spacing);
  text-align: center;
  color: var(--color-brown);
  position: relative;
  padding-bottom: clamp(16px, calc(100vw * 20 / 1440), 20px);
}

.block-box .en::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 40px;
  height: 1px;
  background: var(--color-brown-dark);
}

.block-box .ja {
  font-family: var(--font-heisei-mincho-std);
  font-weight: 500;
  font-size: clamp(16px, calc(100vw * 24 / 1440), 24px);
  line-height: var(--line-height);
  letter-spacing: var(--letter-spacing);
  color: var(--color-black);
  margin-top: clamp(16px, calc(100vw * 30 / 1440), 30px);
  text-align: center;
}

.block-box .txt {
  margin-top: clamp(16px, calc(100vw * 24 / 1440), 24px);
}

.block-box .txt * {
  font-family: var(--font-heisei-mincho-std);
  font-weight: 300;
  font-size: clamp(12px, calc(100vw * 15 / 1440), 15px);
  line-height: 2;
  letter-spacing: var(--letter-spacing);
  color: var(--color-black);
  text-align: left;
}

@media screen and (max-width: 750px) {
  .block-box {
    padding-block: calc(100vw * 100 / 750);
    padding-inline: 0;
  }

  .block-box .container {
    padding-block: calc(100vw * 60 / 750);
    padding-inline: calc(100vw * 40 / 750);
  }

  .block-box .en {
    font-size: clamp(24px, calc(100vw * 40 / 750), 40px);
  }

  .block-box .ja {
    font-size: clamp(20px, calc(100vw * 32 / 750), 32px);
  }

  .block-box .txt {
    margin-top: calc(100vw * 24 / 750);
  }

  .block-box .txt * {
    font-size: clamp(14px, calc(100vw * 26 / 750), 26px);
  }
}