* {
  box-sizing: border-box;
}

html,
body {
  overscroll-behavior-y: none;
}

html {
  font-size: 62.5%;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 300;
  color: #000;
  background: #fff;
  line-height: 2;
  letter-spacing: 0.15em;
  text-align: justify;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
}

.site-header {
  width: min(1024px, 92vw);
  margin: 0 auto;
  padding: 32px 0 16px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.site-logo {
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  font-weight: 300;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  line-height: 1.2;
}

.site-logo-back {
  font-size: 1.8rem;
  letter-spacing: 0;
}

.page {
  width: min(1024px, 92vw);
  margin: 0 auto;
  padding-bottom: 120px;
}

.page-hero {
  margin-top: 16px;
}

.page-title {
  font-size: 28px;
  letter-spacing: 10px;
  font-weight: 500;
  margin: 0 0 24px;
}

.page-eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 6px;
  font-weight: 300;
  line-height: 1;
}

.page-subtitle {
  margin: 0;
  font-size: 1.3rem;
  letter-spacing: 0.2em;
  line-height: 2;
}

.section-subtitle {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  line-height: 1.1;
}

.section-title {
  display: inline-block;
  font-size: 2.4rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  border-bottom: 1px solid #000;
  padding-bottom: 0.2em;
  margin: 0 0 24px;
}

.product-intro {
  margin-top: 64px;
}

.product-intro__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-top: 16px;
}

.product-icon {
  width: 96px;
  height: 96px;
  border-radius: 24px;
  background: #fff;
  border: 1px solid #cfcfcf;
  object-fit: cover;
  display: block;
}

.product-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.product-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border: 1px solid #000;
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  background: #fff;
}

.product-intro__summary {
  flex: 1;
}

.product-intro__summary p {
  margin: 0;
  font-size: 1.3rem;
  letter-spacing: 0.12em;
  line-height: 2;
}

.product-intro__media {
  display: flex;
  align-items: stretch;
  margin-top: 32px;
}

.product-screenshot {
  width: 100%;
  min-height: 240px;
  border-radius: 0;
  border: 1px solid #cfcfcf;
  background: #f0f0f0;
  display: block;
  object-fit: cover;
}

.product-more {
  display: block;
  width: fit-content;
  margin: 16px 0 0 auto;
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  padding-bottom: 4px;
  position: relative;
}

.product-more::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 100%;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.product-more:hover::after,
.product-more:focus-visible::after {
  transform: scaleX(1);
}
.product-extension {
  margin-top: 72px;
}

.site-footer {
  padding: 40px 0 60px;
  text-align: center;
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  color: #444;
  background: transparent;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  margin-bottom: 12px;
}

.footer-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@media (max-width: 900px) {
  .product-intro__header {
    flex-direction: column;
  }

  .product-links {
    justify-content: flex-start;
  }
}

@media (max-width: 600px) {
  .site-header,
  .page {
    width: min(96vw, 560px);
  }

  .page-title {
    font-size: 2.4rem;
  }

  .section-title {
    font-size: 2rem;
  }
}
.product-icon-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}