:root {
  --content-width: 90vw;
  --max-width: 1440px;
  --color-black: #000000;
  --color-text: #1a1a1a;
  --font-base: 'Noto Sans JP', sans-serif;
  --font-en: 'urw-din', sans-serif;
  --font-en-cnd: 'urw-din-condensed', sans-serif;
  --font-size: clamp(0.875rem, 0.792rem + 0.28vw, 1rem);
}

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

body {
  font-family: var(--font-base);
  color: var(--color-text);
  line-height: 1.8;
  font-size: var(--font-size);
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
}

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

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

/* Utilities */
.hover-underline {
  position: relative;
  text-decoration: none;
}

.hover-underline::after {
  content: '';
  position: absolute;
  bottom: 0px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.hover-underline:hover::after {
  transform: scaleX(1);
}

.container {
  width: var(--content-width);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20vh 0 10vh;
}

/* Header */
.header {
  margin-bottom: 6vh;
}

.logo {
  font-family: var(--font-en-cnd);
  font-size: 5em;
  font-weight: 600;
  /* Anton handles the bold look */
  line-height: 1;
  color: var(--color-black);
}

.tagline {
  font-family: var(--font-en);
  font-size: .9rem;
  font-weight: 500;
  color: #000;
  padding-left: .2em;
}

.brand-intro {
  font-size: 0.9rem;
  margin-bottom: 16vh;
}

.brand-intro-ja {
  font-size: 1em;
  line-height: 1.8;
  margin-bottom: 8px;
}

.brand-intro-en {
  font-family: var(--font-en);
  font-size: 1em;
  opacity: 0.7;
}

/* Grid Layout */
.grid-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8vw;
}

/* Grid Item */
.grid-item {
  display: flex;
  flex-direction: column;
}

.item-header {
  margin-bottom: 2rem;
  padding-left: .2rem;
  padding-right: .2rem;
}

.item-title {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.2;
}

.item-title .item-title-sub {
  font-family: var(--font-base);
  font-size: .6em;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-top: .5em;
  display: block;
}

.item-meta {
  font-size: 0.50rem;
  line-height: 1.5;
  margin-bottom: 2em;
  text-transform: uppercase;
  font-weight: 500;
  padding-left: .2rem;
  padding-right: .2rem;
  opacity: .8;
}

.item-image {
  position: relative;
  background-color: #f0f0f0;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}

.item-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: bg-crossfade 16s infinite;
}

.item-image img:nth-child(1) {
  animation-delay: 0s;
}

.item-image img:nth-child(2) {
  animation-delay: -12s;
}

.item-image img:nth-child(3) {
  animation-delay: -8s;
}

.item-image img:nth-child(4) {
  animation-delay: -4s;
}

@keyframes bg-crossfade {
  0% {
    opacity: 1;
  }

  20% {
    opacity: 1;
  }

  25% {
    opacity: 0;
  }

  95% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

.item-desc {
  font-size: 0.75rem;
  line-height: 1.6;
  margin: 1rem .2em;
  flex-grow: 1;
}

.btn-details {
  font-family: var(--font-en);
  display: block;
  width: 100%;
  padding: 15px 20px;
  border: 1px solid var(--color-black);
  text-align: left;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.3s ease;
  background-color: #fff;
}

.btn-details:hover {
  background-color: var(--color-black);
  color: #fff;
}

.more-series {
  margin-top: 10vh;
  padding: 5vh .2em 5vh .2em;
  border-top: 1px solid currentColor;
  opacity: 0.75;
}

.more-series-label {
  font-family: var(--font-en);
  font-size: .8rem;
  margin-bottom: 5vh;
}

.more-series-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 5vh;
}

.more-series-title {
  font-size: 1rem;
  font-weight: 600;
}

.more-series-sub {
  font-size: .75em;
  margin-bottom: 12px;
  opacity: 0.6;
}

.more-series-desc {
  font-size: .9em;
  line-height: 1.7;
}

.more-series-link {
  font-size: .9em;
  font-weight: 600;
  color: inherit;
  text-decoration: none;
}

.more-series-link:hover {
  opacity: 0.6;
}

.footer {
  margin-top: 16vh;
  padding: 5vh 0 5vh;
  border-top: 1px solid currentColor;
  opacity: 0.75;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.footer-logo {
  font-family: var(--font-en-cnd);
  font-size: 2em;
  font-weight: 600;
}

.footer-links {
  font-family: var(--font-en);
  display: flex;
  gap: 2em;
  margin: 1.2em 0 2em;
}

.footer-links a {
  font-size: 1rem;
  font-weight: 600;
}

.footer-links a:hover {
  opacity: 0.75;
}

.footer-copy {
  font-size: 11px;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .grid-container {
    gap: 30px;
  }
}

@media (max-width: 900px) {
  .grid-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .header {
    margin-bottom: 100px;
  }
}

@media (max-width: 600px) {
  .grid-container {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .more-series-grid {
    grid-template-columns: 1fr;
  }

  .logo {
    font-size: 4rem;
  }

  .header {
    margin-bottom: 80px;
  }

  .footer-links a {
    font-size: .8rem;
  }
}