*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: "noto-sans", sans-serif;
  color: #000000;
  background: #ffffff url(img/pc_bg.png) center / cover fixed;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

:root {
  --color-navy:  #23417f;
  --color-red:   #fc4a46;
  --color-light: #bccde2;
  --color-black: #000000;
}

.site-wrapper {
  overflow-x: hidden;
  margin: 0 33.333%;
}

.fv {
  width: 100%;
}

.fv-pc {
  width: 100%;
  height: 100svh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3% 0;
}

.fv-pc-img {
  height: 100%;
  width: auto;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.pc-sidebar-left,
.pc-sidebar-right {
  display: none;
}

@media (min-width: 1025px) {
  .pc-sidebar-left {
    position: fixed;
    top: 0;
    left: 0;
    width: 33.333%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 0 6%;
  }

  .pc-sidebar-right {
    position: fixed;
    top: 0;
    right: 0;
    width: 33.333%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    pointer-events: none;
  }
}

.pc-sidebar-right img {
  width: 80%;
  height: auto;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.fv-sp {
  display: none;
}

.sec-right,
.sec-left {
  background-image: url(img/bg.png);
  background-repeat: repeat;
  background-size: 210px 210px;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.sec-right {
  padding: 80px 0;
}

.sec-right img {
  width: 87%;
  max-width: none;
  -webkit-user-drag: none;
}

.sec-left {
  padding: 48px 0 220px;
  flex-direction: column;
  gap: 0;
}

.sec-left-title {
  font-family: "noto-sans", sans-serif;
  font-size: 3.5rem;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 0.15em;
  text-align: center;
  margin-bottom: 32px;
}

.sec-left-cards {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 80%;
  max-width: 480px;
}

.sec-left-card {
  display: block;
  width: 100%;
}

.sec-left-card img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.sec-left-card:hover img {
  transform: scale(1.02);
}

.site-footer {
  background: #ffffff;
  padding: 64px 6% 48px;
  margin: 0 33.333%;
}

.site-footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  max-width: 1080px;
  margin: 0 auto;
}

.site-footer-logo {
  display: block;
  width: 200px;
}

.site-footer-logo img {
  width: 100%;
  height: auto;
  display: block;
}

.site-footer-sns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.site-footer-sns a {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000000;
}

.site-footer-sns svg {
  width: 40px;
  height: 40px;
}

.site-footer-copy {
  font-size: 0.75rem;
  font-weight: 500;
  color: #000000;
  letter-spacing: 0.05em;
}

@media (max-width: 1024px) {
  .site-footer {
    padding: 48px 6% 40px;
  }

  .site-footer-logo {
    width: 160px;
  }

  .site-footer-sns svg {
    width: 32px;
    height: 32px;
  }
}

.footer-btn {
  position: fixed;
  right: 24px;
  bottom: 40px;
  width: 88px;
  opacity: 0;
  pointer-events: none;
  z-index: 100;
}

.footer-btn img {
  width: 100%;
  height: auto;
  display: block;
}

.footer-btn-top,
.footer-btn-cart {
  position: absolute;
  left: 0;
  width: 100%;
  height: 50%;
}

.footer-btn-top {
  top: 0;
}

.footer-btn-cart {
  bottom: 0;
}

.sec-logo {
  background: transparent;
  padding: 0;
  position: relative;
  z-index: 1;
  transform: translateY(-160px);
  margin-bottom: -160px;
}

.sec-logo-wave--bottom {
  background: #23417f;
}

.sec-logo-wave {
  width: 100%;
  line-height: 0;
  display: block;
}

.sec-logo-wave svg {
  width: 100%;
  height: 160px;
  display: block;
}

.sec-logo-inner {
  background: #23417f;
  padding: 48px 6% 64px;
}

.sec-logo-label {
  font-family: "noto-sans", sans-serif;
  font-weight: 900;
  font-size: 3.5rem;
  color: #ffffff;
  letter-spacing: 0.15em;
  text-align: center;
  margin-bottom: 24px;
}

.sec-logo-desc {
  font-family: "noto-sans", sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  color: #ffffff;
  line-height: 2.4;
  max-width: 1080px;
  margin: 0 auto 48px;
  padding: 0 5%;
  text-align: left;
}

.logo-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 16px;
  max-width: 1080px;
  margin: 0 auto;
}

.logo-card a {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: #ffffff;
}

.logo-card-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #1a3263;
}

.logo-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.logo-card a:hover .logo-card-img img {
  transform: scale(1.04);
}

.logo-card-name {
  display: block;
  margin-top: 10px;
  font-family: "noto-sans", sans-serif;
  font-size: 0.8125rem;
  line-height: 1.5;
}

.logo-card-price {
  display: block;
  margin-top: 4px;
  font-family: "noto-sans", sans-serif;
  font-size: 0.9375rem;
  font-weight: 700;
}

.logo-card-price small {
  font-size: 0.6875rem;
  font-weight: 400;
}

.sec-link {
  position: relative;
  z-index: 1;
  transform: translateY(-160px);
  margin-bottom: -160px;
  background-image: url(img/bg.png);
  background-repeat: repeat;
  background-size: 210px 210px;
  background-color: #23417f;
}

.sec-link-wave {
  width: 100%;
  line-height: 0;
  display: block;
}

.sec-link-wave svg {
  width: 100%;
  height: 160px;
  display: block;
}

.sec-link-inner {
  padding: 40px 6% 100px;
  text-align: center;
}

.sec-link-title {
  font-family: "noto-sans", sans-serif;
  font-size: 3.5rem;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 0.15em;
  margin-bottom: 40px;
}

.sec-link-jfa {
  display: block;
  width: 260px;
  margin: 0 auto 16px;
  background: #ffffff;
  padding: 20px;
}

.sec-link-jfa img {
  width: 100%;
  height: auto;
  display: block;
}

.sec-link-jfa-name {
  font-family: "noto-sans", sans-serif;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #ffffff;
  margin-bottom: 24px;
}

.sec-link-sns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 56px;
}

.sec-link-sns a {
  display: flex;
  align-items: center;
  justify-content: center;
}

.sec-link-sns svg,
.sec-link-sns-logo {
  width: 32px;
  height: 32px;
}

.sec-link-sub {
  font-family: "noto-sans", sans-serif;
  font-size: 1.25rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 12px;
}

.sec-link-catch {
  font-family: "noto-sans", sans-serif;
  font-size: 2.25rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1.4;
}

@media (max-width: 1024px) {
  .sec-link-wave svg {
    height: 80px;
  }

  .sec-link {
    transform: translateY(-80px);
    margin-bottom: -80px;
  }

  .sec-link-title {
    font-size: 2rem;
  }

  .sec-link-catch {
    font-size: 1.75rem;
  }
}

@media (max-width: 376px) {
  .sec-link-sub {
    font-size: 1.15rem;
  }
}

.sec-isayamax {
  background: transparent;
  padding: 0;
  position: relative;
  z-index: 1;
  transform: translateY(-160px);
  margin-bottom: -160px;
}

.sec-isayamax-wave {
  width: 100%;
  line-height: 0;
  display: block;
}

.sec-isayamax-wave svg {
  width: 100%;
  height: 160px;
  display: block;
}

.sec-isayamax-wave--bottom {
  background: #bccde2;
}

.sec-isayamax-inner {
  background: #bccde2;
  padding: 48px 6% 64px;
}

.sec-isayamax-header {
  max-width: 560px;
  margin: 0 auto 60px;
}

.sec-isayamax-artist {
  font-family: "noto-sans", sans-serif;
  font-size: 1.25rem;
  font-weight: 900;
  text-align: center;
  margin-bottom: 8px;
}

.sec-isayamax-title {
  font-family: "noto-sans", sans-serif;
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.1;
  text-align: center;
  margin-bottom: 40px;
}

.sec-isayamax-desc {
  font-family: "noto-sans", sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 2.2;
  margin-bottom: 32px;
}

.sec-isayamax-note {
  font-family: "noto-sans", sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.8;
  text-align: center;
}

.isayamax-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px 16px;
  max-width: 1080px;
  margin: 0 auto 80px;
}

.isayamax-card a {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: #000000;
}

.isayamax-card-img {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  overflow: hidden;
}

.isayamax-card-img img {
  max-width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.isayamax-card a:hover .isayamax-card-img img {
  transform: scale(1.04);
}

.isayamax-card-name {
  display: block;
  font-family: "noto-sans", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4px;
}

.isayamax-card-price {
  display: block;
  font-family: "noto-sans", sans-serif;
  font-size: 0.9375rem;
  font-weight: 700;
  text-align: center;
}

.isayamax-card-price small {
  font-size: 0.6875rem;
  font-weight: 400;
}

.sec-isayamax-credit {
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 2px solid #000000;
  background: #ffffff;
  padding: 20px 48px;
  width: fit-content;
  margin: 0 auto;
}

.sec-illust {
  background: #ffffff;
  padding: 80px 6% 220px;
  margin-top: -6px;
}

.sec-illust-header {
  max-width: 560px;
  margin: 0 auto 60px;
}

.sec-illust-artist {
  font-family: "noto-sans", sans-serif;
  font-size: 1.25rem;
  font-weight: 900;
  text-align: center;
  margin-bottom: 8px;
}

.sec-illust-title {
  font-family: "noto-sans", sans-serif;
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.1;
  text-align: center;
  margin-bottom: 40px;
}

.sec-illust-desc {
  font-family: "noto-sans", sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 2.2;
  margin-bottom: 32px;
}

.sec-illust-note {
  font-family: "noto-sans", sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.8;
  text-align: center;
}

.illust-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px 16px;
  max-width: 1080px;
  margin: 0 auto 80px;
}

.illust-card a {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: #000000;
}

.illust-card-img {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  overflow: hidden;
}

.illust-card-img img {
  max-width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.illust-card a:hover .illust-card-img img {
  transform: scale(1.04);
}

.illust-card-name {
  display: block;
  font-family: "noto-sans", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 4px;
}

.illust-card-price {
  display: block;
  font-family: "noto-sans", sans-serif;
  font-size: 0.9375rem;
  font-weight: 700;
  text-align: center;
}

.illust-card-price small {
  font-size: 0.6875rem;
  font-weight: 400;
}

.sec-illust-credit {
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 2px solid #000000;
  padding: 20px 48px;
  width: fit-content;
  margin: 0 auto;
}

.credit-label {
  font-family: "noto-sans", sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.credit-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #000000;
}

.credit-name {
  font-family: "noto-sans", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
}

@media (max-width: 1024px) {
  body {
    background-image: none;
  }

  .site-wrapper {
    margin: 0;
  }

  .site-footer {
    margin: 0;
  }

  .fv-pc {
    display: none;
  }

  .fv-sp {
    position: relative;
    width: 100%;
    height: 100svh;
    overflow: hidden;
    background-image: url(img/sp_bg.png);
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .fv-sp-content {
    width: 100%;
    height: auto;
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
  }

  .sec-right {
    padding: 48px 0;
  }

  .sec-right img {
    width: 78%;
    max-width: none;
    margin: 0 auto;
  }

  .sec-left {
    padding-bottom: 140px;
  }

  .sec-left-title {
    font-size: 2rem;
  }

  .sec-left-cards {
    width: 87%;
  }

  .sec-logo-inner {
    padding: 36px 4% 48px;
  }

  .sec-logo-label {
    font-size: 2rem;
    margin-bottom: 28px;
  }

  .logo-grid,
  .illust-grid,
  .isayamax-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 16px;
  }

  .sec-illust-title,
  .sec-isayamax-title {
    font-size: 2rem;
  }

  .sec-logo-wave svg,
  .sec-isayamax-wave svg {
    height: 80px;
  }

  .sec-logo,
  .sec-isayamax {
    transform: translateY(-80px);
    margin-bottom: -80px;
  }

  .sec-illust {
    padding-bottom: 140px;
  }

  .footer-btn {
    right: 16px;
    bottom: 24px;
    width: 72px;
  }
}