@charset "UTF-8";

/* ==== root ========================== */
:root {
  --color-black: #4d4d4d;
  --color-white: #fcfcfb;
  --color-navy: #003e72;
  --color-primary: #afa37d;
  --color-txt-gold: #8d7c47;
  --color-bg: #efede6;
  --color-bg-gray: #f5f5f5;
  --color-line-green: #62c94b;

  --noto-sans: "Noto Sans JP", serif;
  --cormorant: "Cormorant Garamond", serif;
  --zen-old: "Zen Old Mincho", serif;
  --klee-one: "Klee One", serif;

  --line-middle: 2;
  --line-large: 2.4;

  --font-size-base: clamp(14px, 1.6rem, 18px);
  --font-size-medium: clamp(16px, 2.2rem, 24px);
  --font-size-large: clamp(24px, 2.8rem, 36px);
}

/*================================================
 *  briefing
  ================================================*/
main {
  overflow: hidden;
}
#briefing {
  background: var(--color-bg-gray);
  padding-bottom: 0;
}
#briefing p {
  line-height: 2.2;;
}
#briefing h2.ac {
  white-space: nowrap;
  border-bottom: 1px solid var(--color-primary);
  font-size: var(--font-size-medium);
  font-family: var(--zen-old);
  display: inline-block;
  padding: 0 12px;
  line-height: 1.8;
}
.briefing,
.briefing-explanation {
  padding: 80px 0;
}
@media screen and (max-width: 768px) {
  .briefing,
  .briefing-explanation {
    padding: 40px 0;
  }
}

/* イントロダクション */
.content__body {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 48px;
  margin: 0 auto;
}
.content__body + .content__body {
  margin-top: 64px;
}
.content__body p + p {
  margin-top: 32px;
}
.content__image {
  flex: 0 0 40%;
  background: var(--color-white);
  aspect-ratio: 4 / 3;
}
.content__image img {
  height: 100%;
  object-fit: cover;
}
.content__text {
  flex: 1;
  color: var(--color-black);
  line-height: var(--line-middle);
  font-size: var(--font-size-base);
}
.content__text h3 {
  font-size: var(--font-size-medium);
  margin-bottom: 1em;
}
@media screen and (max-width: 768px) {
  .content__body {
    flex-direction: column;
    gap: 24px;
  }
  .content__body + .content__body {
    margin-top: 32px;
  }
  .content__body p + p {
    margin-top: 16px;
  }
}

.briefing .content__body {
  width: 95%;
}

/* 事務所説明会について */
.briefing-explanation .content__body {
  gap: 64px;
}
.briefing-explanation .content__text h3 {
  font-size: var(--font-size-large);
}
@media screen and (max-width: 768px) {
  .briefing-explanation .content__body {
    gap: 32px;
  }
}

.briefing-explanation__box {
  margin-top: 20px;
  background: var(--color-white);
  padding: 18px 24px;
}
.briefing-explanation__box li {
  position: relative;
  padding-left: 1.4em;
  font-size: var(--font-size-base);
  line-height: var(--line-middle);
}
.briefing-explanation__box li + li {
  margin-top: 6px;
}
.briefing-explanation__box li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: var(--color-txt-gold);
}

.briefing-explanation__detail {
  color: var(--color-black);
  line-height: var(--line-middle);
}
.briefing-explanation__lead h3 {
  font-family: var(--zen-old);
  font-size: var(--font-size-medium);
  margin-bottom: 1em;
}
.briefing-explanation__topics {
  display: flex;
  gap: 20px;
  align-items: stretch;
  justify-content: center;
  padding: 32px 0;
}
.briefing-explanation__topics li {
  flex: 1;
  aspect-ratio: 1 / 1;
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16px;
  font-weight: 500;
}
.briefing-explanation__topic-text {
  position: relative;
  display: inline-block;
  padding-bottom: 6px;
  font-size: var(--font-size-base);
}
.briefing-explanation__topic-text::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 8px;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transform: translateX(-50%);
}
.briefing-explanation__note {
  margin-top: 16px;
}

/* CTA */
.briefing-explanation__cta {
  background: var(--color-navy);
  padding: 6rem 0;
  margin-bottom: 80px;
}

.briefing-explanation__cta h2 {
  color: var(--color-white);
  text-align: center;
  font-size: 3rem;
  font-family: var(--zen-old);
  line-height: 1;
  margin-bottom: 4rem;
}

.briefing-explanation__cta .narrow {
  display: flex;
  gap: 4rem;
}

.briefing-explanation__cta .newsvis__txt {
  flex: 1;
  background-color: var(--color-white);
  padding: 4rem 3rem 2rem;
}

.briefing-explanation__cta .newsvis__txt h3 {
  font-size: 6rem;
}

.briefing-explanation__cta .newsvis__txt h3 span {
  bottom: -0.5rem;
}

.briefing-explanation__cta .newsvis__txt p {
  margin-bottom: 1rem;
}

.briefing-explanation__cta .btnArea a {
  margin-left: auto;
  padding: 2rem 10rem 2rem 3rem;
  min-width: 395px;
  text-align: center;
}

@media screen and (max-width: 768px) {
  .briefing-explanation__cta .narrow {
    flex-direction: column;
  }
  .briefing-explanation__cta .newsvis__txt {
    width: 90%;
    margin: 0 auto;
    padding: 3rem 2rem 1.5rem;
  }
  .briefing-explanation__cta .newsvis__txt h3 {
    font-size: 8rem;
  }
  .briefing-explanation__cta .newsvis__txt h3 span {
    bottom: -1rem;
  }
  .briefing-explanation__cta .btnArea a {
    min-width: unset;
    width: 100%;
  }
}

/* スライド */
.briefing-slide {
  margin-top: 32px;
  overflow: visible;
}

.briefing-slide__track {
  display: flex;
  width: max-content;
  animation: briefingSlide 80s linear infinite;
}

.briefing-slide__list {
  display: flex;
  gap: 24px;
  padding: 0 12px;
  margin: 0;
}

.briefing-slide__list li {
  list-style: none;
}

.briefing-slide__list img {
  width: calc(100vw / 3);
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

@keyframes briefingSlide {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}
@media screen and (max-width: 768px) {
  .briefing-slide__list img {
    width: 300px;
  }
  .briefing-explanation__topics {
    flex-wrap: wrap;
    gap: 12px;
  }
  .briefing-explanation__topics li {
    flex: 0 0 calc(50% - 6px);
  }
}