/* ==========================================================================
   Hero
========================================================================== */

.hero {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 72px;
  padding-bottom: 56px;
}

.hero__copy {
  flex: 0 0 45%;
}

.hero__title {
  font-size: clamp(4.5rem, 0.4785vw + 4.3206rem, 5rem);
  line-height: 1.45;
  color: var(--color-heading);
  padding: 0;
  margin: 0 0 24px;
}

.hero__title-highlight {
  color: var(--color-primary);
  border-bottom: solid 3px;
}

.hero__lead {
  font-size: clamp(2rem, 0.4785vw + 1.8206rem, 2.5rem);
  line-height: 1.9;
  color: var(--color-text);
}

.hero__lead-line {
  display: block;
  width: fit-content;
  padding-bottom: 8px;
  margin-bottom: 8px;
}

.hero__lead-line:not(:last-child) {
  border-bottom: 2px dashed var(--color-primary);
}

.hero__visual {
  flex: 1 1 58%;
}

.hero__image {
  width: 100%;
  height: auto;
}

/* ==========================================================================
   Brand (桐生タイムス大学 タイトルエリア)
========================================================================== */

.brand {
  position: relative;
  z-index: 1;
  padding-top: 24px;
  padding-bottom: 24px;
  text-align: center;
}

.brand__label-text {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.brand__logo{
  width: 550px;
  height: auto;
  margin-bottom: 30px;
}

.brand__tag {
  display: inline-block;
  border-radius: 999px;
  background-color: var(--color-tag-bg);
  padding: 10px 28px;
  margin: 0 0 40px;
}

.brand__tag-text {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-heading);
}

.brand__date {
  font-size: clamp(4.5rem, 0.4785vw + 4.3206rem, 5rem);
  color: var(--color-primary);
  letter-spacing: 0.1em;
  padding: 0;
  margin: 0 0 8px;
}

.brand__date-day {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 0.52em;
  height: 0.52em;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.4em;
  font-weight: 700;
  line-height: 1;
  vertical-align: 0.06em;
  margin-left: 0.15em;
}

.brand__release {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.15em;
  font-size: clamp(4.5rem, 0.4785vw + 4.3206rem, 5rem);
  color: var(--color-primary);
  letter-spacing: 0.1em;
  padding: 0;
  margin: 0;
}


/* ==========================================================================
   Concept (地域の「知」を、みんなの「学び」へ。)
========================================================================== */

.concept {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 40px;
  padding-top: 56px;
  padding-bottom: 56px;
}

.concept__body {
  flex: 0 0 40%;
}

.concept__heading {
  font-size: 2.5rem;
  line-height: 1.6;
  color: var(--color-accent-green);
  padding: 0;
  margin: 0 0 20px;
}

.concept__text {
  font-size: 1.8rem;
  line-height: 2;
  color: var(--color-text);
}

.concept__visual {
  flex: 1 1 48%;
}

.concept__image {
  width: 100%;
  height: auto;
}

/* ==========================================================================
   Coming Soon Box
========================================================================== */

.coming-soon-box {
  position: relative;
  z-index: 1;
  border: 1px solid var(--color-box-border);
  border-radius: 24px;
  background-color: var(--color-box-bg);
  padding: 32px 24px;
  margin: 50px auto;
  text-align: center;
}

.coming-soon-box__label {
  font-size: 5rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  padding: 0;
  margin: 0 0 12px;
}

.coming-soon-box__text {
  font-size: 2rem;
  color: var(--color-text);
  padding: 0;
  margin: 0;
}

/* ==========================================================================
   Breakpoint
   PC: 基本スタイル
   SP: max-width 768px以下
   ※タブレットは分岐なし(PCレイアウトを縮小表示)
========================================================================== */

@media screen and (max-width: 768px) {
  .hero {
    flex-direction: column;
    align-items: stretch;
    gap: 32px;
    padding-top: 48px;
    padding-bottom: 40px;
  }

  .hero__copy {
    flex-basis: auto;
  }

  .hero__title{
    font-size: 2.8rem;
    line-height: 1.8;
  }

  .hero__lead-line{
    width: auto;
  }

  .hero__visual {
    flex-basis: auto;
  }

  .brand__label-text{
    font-size: 2rem;
  }

  .brand__logo{
    width: 80%;
    max-width: 500px;
  }

  .brand__date,.brand__release{
    font-size: 3rem;
  }

  .concept {
    flex-direction: column-reverse;
    align-items: stretch;
    gap: 24px;
    padding-top: 10px;
    padding-bottom: 0;
  }

  .concept__body {
    flex-basis: auto;
  }

  .concept__text{
    font-size: 1.6rem;
  }

  .concept__visual {
    flex-basis: auto;
  }

  .concept__heading {
    font-size: 1.8rem;
  }

  .coming-soon-box {
    padding: 24px 16px;
    margin: 30px auto;
  }

  .coming-soon-box__label {
    font-size: 2rem;
  }

  .coming-soon-box__text{
    font-size: 1.6rem;
  }
}