/* ========================================
   footer-section（ページ固有）
======================================== */
.footer-section {
  background-image: url(../images/footer/bg/ptn.jpg);
  background-size: auto calc(100% + 1px);
  background-repeat: repeat;
  background-position: top center;
  position: relative;
  z-index: 2;
  padding-bottom: 0px;
  padding: 60px 0 100px;
  margin-top: -5px;
}

.footer-section__title {
  padding: 0 0 0 10px;
}

.footer-section__lead {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-section__logo {
  max-width: 187px;
  margin-top: 40px;
}

.footer-section__btn-link {
  display: block;
  width: 280px;
  transition: opacity 0.3s;
}

.footer-section__btn-link:hover {
  opacity: 0.8;
}

.footer-section__btn-link .footer-section__btn {
  max-width: 100%;
  margin-top: 60px;
}

.footer-section__copyright {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 65px;
  padding-bottom: 20px;
}
.footer-section__copyright span {
  font-size: 12px;
}

/* タイトルアニメーション */
.footer-section__title-container {
  position: relative;
  height: 350px;
}

.footer-section__title-item {
  opacity: 0;
}

.is-visible .footer-section__title-item {
  animation: fade-in 0.3s ease-in-out forwards;
}

.footer-section__title-container .footer-section__title-item--01 {
  max-width: 102px;
  position: absolute;
  bottom: 50px;
  left: 20px;
  z-index: 5;
  animation-delay: 0.1s;
}

.footer-section__title-container .footer-section__title-item--02 {
  max-width: 102px;
  position: absolute;
  top: 72px;
  left: 83px;
  z-index: 3;
  animation-delay: 0.2s;
}

.footer-section__title-container .footer-section__title-item--03 {
  max-width: 152px;
  position: absolute;
  bottom: 40px;
  right: 0px;
  z-index: 4;
  animation-delay: 0.3s;
}

.footer-section__title-container .footer-section__title-item--04 {
  max-width: 100%;
  position: absolute;
  top: 61px;
  left: 0;
  animation-delay: 0.4s;
}

.footer-section__title-container .footer-section__title-item--05 {
  max-width: 304px;
  position: absolute;
  top: 0px;
  left: 10px;
  animation-delay: 0.5s;
}

.footer-section__title-container .footer-section__title-item--06 {
  max-width: 170px;
  position: absolute;
  bottom: 53px;
  right: 20px;
  left: 0;
  margin: auto;
  z-index: 10;
  animation-delay: 0.6s;
}

.footer-section__title-container .footer-section__title-item--07 {
  max-width: 235px;
  position: absolute;
  top: 13px;
  left: 27px;
  z-index: 10;
  animation-delay: 0.8s;
}

.footer-section__title-container .footer-section__title-item--08 {
  max-width: 253px;
  position: absolute;
  bottom: 0px;
  right: 27px;
  z-index: 10;
  animation-delay: 0.9s;
}

.footer-section__title-container .footer-section__title-item--09 {
  max-width: 117px;
  position: absolute;
  top: 40px;
  right: 83px;
  z-index: 2;
  animation-delay: 0.7s;
}

/* ========================================
   footer（共通）
======================================== */
.footer {
  margin: 0 auto;
  background-color: #b19648;
  background-image: url(../images/footer/bg_footer_sp.webp);
  background-size: cover;
  background-repeat: repeat;
  box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.7);
  color: #fff;
  position: relative;
}

.footer-inner {
  padding: 36px 20px 71px;
  text-align: center;
}

.footer-pagetop {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: #fff;
  text-decoration: none;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.footer-pagetop-icon {
  max-width: 16px;
  transform: rotate(-90deg);
}

.footer-logo {
  display: block;
  width: 165px;
  margin: 40px auto 0;
  object-fit: contain;
}

.footer-arena-btn {
  display: block;
  max-width: 720px;
  margin: 0 auto;
  padding: 34px;
  color: #003f6b;
  text-decoration: none;
  position: relative;
}
.footer-arena-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #b19648;
  mix-blend-mode: plus-lighter;
}

.footer-arena-btn-inner {
  display: flex;
  justify-content: center;
  gap: 10px;
  width: 100%;
  position: relative;
  flex-direction: column;
  align-items: flex-start;
}

.footer-arena-btn-main {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1;
  white-space: nowrap;
}

.footer-arena-btn-sub {
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.footer-arena-btn-arrow {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 30px;
  margin: auto;
  max-width: 16px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 20px;
  max-width: 720px;
  margin: 28px auto 0;
}

.footer-nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  padding-bottom: 24px;
  border-bottom: 1px solid #dabf73;
  color: #fff;
  text-decoration: none;
  position: relative;
}

.footer-nav-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  min-width: 0;
}

.footer-nav-ja {
  font-size: 20px;
  font-weight: 700;
  white-space: nowrap;
}

.footer-nav-en {
  font-size: 16px;
  font-weight: 700;
  color: #dabf73;
  opacity: 0.6;
  white-space: nowrap;
}

.footer-nav-arrow {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  max-width: 16px;
  height: fit-content;
}

.footer-info {
  margin-top: 64px;
}

.footer-info-company,
.footer-info-copy {
  font-size: 10px;
  line-height: 1.8;
  letter-spacing: 0.02em;
}

/* ========================================
   レスポンシブ
======================================== */

.footer-arena-btn {
  padding: 20px 20px 20px 30px;
}

.footer-arena-btn-arrow {
  right: 0px;
}

.footer-nav-arrow {
  right: 20px;
}

.footer-nav-item {
  padding-left: 30px;
}

.footer-logo-link {
  transition: opacity 0.3s;
}

.footer-logo-link img {
  width: 187px;
  object-fit: contain;
}

.footer-logo-link:hover {
  opacity: 0.8;
}