:root {
  --bg: #040404;
  --bg-hero: #080808;
  --bg-panel: #0f0f10;
  --bg-panel-2: #151110;
  --bg-panel-3: #0a0a0b;
  --text: #f4efe8;
  --text-soft: rgba(244, 239, 232, 0.84);
  --text-muted: rgba(244, 239, 232, 0.58);
  --accent: #d1b184;
  --line: rgba(244, 239, 232, 0.12);
  --line-strong: rgba(244, 239, 232, 0.24);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.45);
  --font-body: "Shippori Mincho", "Noto Serif JP", "Yu Mincho", YuMincho, "Hiragino Mincho ProN", serif;
  --font-display: "Cormorant Garamond", "Shippori Mincho", "Noto Serif JP", serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 14% 0%, rgba(255, 255, 255, 0.05), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(209, 177, 132, 0.08), transparent 22%),
    linear-gradient(180deg, #090909 0%, #040404 42%, #060606 100%);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.02em;
  overflow-x: hidden;
}

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

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

h1,
h2,
h3,
p,
figure {
  margin: 0;
}

h1,
h2,
h3,
p,
a {
  line-break: strict;
  overflow-wrap: normal;
}

.lp-page {
  position: relative;
  overflow: hidden;
}

.lp-page::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 14%, transparent 86%, rgba(255, 255, 255, 0.02)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.008) 0, rgba(255, 255, 255, 0.008) 1px, transparent 1px, transparent 128px);
  content: "";
  opacity: 0.18;
  pointer-events: none;
}

.page-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 6, 6, 0.84);
  backdrop-filter: blur(18px);
}

.page-nav__inner,
.section-inner,
.section-inner--narrow {
  width: min(1220px, calc(100% - 48px));
  margin: 0 auto;
}

.page-nav__inner {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  min-height: 54px;
}

.page-nav__brand {
  display: inline-flex;
  gap: 10px;
  align-items: baseline;
  white-space: nowrap;
}

.page-nav__brand span {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.1em;
  text-transform: lowercase;
}

.page-nav__brand small {
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-nav__links {
  display: flex;
  gap: clamp(10px, 2vw, 24px);
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-nav__links::-webkit-scrollbar {
  display: none;
}

.page-nav__links a {
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  white-space: nowrap;
  transition:
    color 180ms ease,
    border-color 180ms ease;
}

.page-nav__links a.is-active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.section-anchor {
  scroll-margin-top: 78px;
}

.hero,
.section {
  position: relative;
}

.hero {
  overflow: hidden;
  padding: clamp(36px, 6vw, 64px) 0 clamp(112px, 14vw, 184px);
  background:
    radial-gradient(circle at 84% 16%, rgba(209, 177, 132, 0.12), transparent 18%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 24%, transparent 78%, rgba(255, 255, 255, 0.02));
}

.hero__background,
.hero__overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__background {
  z-index: 0;
  background-image: url("images/b1.JPG");
  background-position: 64% center;
  background-repeat: no-repeat;
  background-size: cover;
  opacity: 0.56;
  filter: saturate(0.86) brightness(0.72) contrast(0.98);
  transform: scale(1.04);
}

.hero__overlay {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(4, 4, 4, 0.7) 0%, rgba(4, 4, 4, 0.52) 34%, rgba(4, 4, 4, 0.26) 62%, rgba(4, 4, 4, 0.58) 100%),
    linear-gradient(180deg, rgba(4, 4, 4, 0.5) 0%, rgba(4, 4, 4, 0.18) 38%, rgba(4, 4, 4, 0.48) 100%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 460px);
  gap: clamp(32px, 8vw, 112px);
  align-items: center;
  min-height: calc(100svh - 120px);
}

.hero__copy {
  max-width: 620px;
  padding-top: clamp(44px, 7vw, 84px);
}

.section-label,
.impact-card__label,
.mini-card__label {
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  line-height: 1.3;
  text-transform: uppercase;
}

.hero h1 {
  width: min(100%, 7ch);
  margin-top: 16px;
  font-size: clamp(3.8rem, 9vw, 6.8rem);
  font-weight: 600;
  line-height: 0.96;
  letter-spacing: 0.08em;
  overflow-wrap: normal;
  word-break: keep-all;
}

.hero__lead,
.cta-block__lead,
.final-cta__lead,
.mini-card p {
  color: var(--text-soft);
  font-size: 1rem;
}

.hero__lead {
  max-width: 19ch;
  margin-top: 20px;
  color: rgba(244, 239, 232, 0.94);
  font-size: clamp(1.24rem, 2.6vw, 1.62rem);
  font-weight: 500;
  line-height: 1.68;
  letter-spacing: 0.03em;
  text-wrap: balance;
  overflow-wrap: normal;
  word-break: keep-all;
}

.hero__actions,
.cta-block__actions,
.final-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button,
.section-link,
.product-card__link,
.final-cta__sub {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-display);
  font-size: 0.84rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition:
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

.button::after,
.section-link::after,
.product-card__link::after,
.final-cta__sub::after {
  width: 28px;
  height: 1px;
  background: currentColor;
  content: "";
}

.button--primary {
  background: linear-gradient(180deg, rgba(209, 177, 132, 0.24), rgba(209, 177, 132, 0.1));
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
}

.button--ghost,
.section-link,
.product-card__link,
.final-cta__sub {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-soft);
}

.media-frame {
  padding: clamp(12px, 1.5vw, 16px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
}

.media-frame img,
.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__visual {
  width: 100%;
  aspect-ratio: 9 / 13;
}

.hero__visual img {
  object-position: center 42%;
}

.section {
  padding: clamp(112px, 14vw, 192px) 0;
}

.section-heading {
  display: grid;
  gap: 18px;
}

.section-heading--row {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
}

.section h2 {
  max-width: 14ch;
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: 0.02em;
  text-wrap: balance;
  overflow-wrap: normal;
  word-break: keep-all;
}

#impact-title {
  max-width: none;
  font-size: clamp(1.5rem, 3.4vw, 3rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
}

#lineup-title {
  max-width: none;
  font-size: clamp(1.44rem, 3.1vw, 2.7rem);
  line-height: 1.14;
  letter-spacing: 0.01em;
}

#cta-title,
#info-title,
#final-title {
  max-width: none;
  font-size: clamp(1.48rem, 3.2vw, 2.8rem);
  line-height: 1.14;
  letter-spacing: 0.01em;
}

.section--impact {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 0% 14%, rgba(255, 255, 255, 0.04), transparent 24%),
    linear-gradient(180deg, #0b0b0b 0%, #090909 100%);
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 42px;
}

.impact-card {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 22px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
}

.impact-card__line,
.product-card__line {
  font-size: clamp(1.3rem, 2.8vw, 2rem);
  font-weight: 500;
  line-height: 1.4;
  text-wrap: balance;
  overflow-wrap: normal;
  word-break: keep-all;
}

.line-unit {
  display: inline-block;
  white-space: nowrap;
}

.impact-card__media {
  aspect-ratio: 4 / 5;
}

.impact-card:nth-child(2) .impact-card__media {
  aspect-ratio: 5 / 4;
}

.impact-card:nth-child(1) img {
  object-position: center 42%;
}

.impact-card:nth-child(2) img {
  object-position: center 58%;
}

.impact-card:nth-child(3) img {
  object-position: center bottom;
}

.impact-card:nth-child(4) img {
  object-position: center 36%;
}

.section--lineup {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 100% 12%, rgba(209, 177, 132, 0.08), transparent 22%),
    linear-gradient(180deg, #15110f 0%, #0a0a0a 100%);
}

.lineup-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 42px;
}

.product-card {
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(0, 0, 0, 0.2));
  overflow: hidden;
}

.product-card__media {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #0b0b0b;
}

.product-card__body {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 22px 20px 24px;
}

.product-card h3 {
  font-family: var(--font-display);
  font-size: clamp(1.74rem, 3vw, 2.1rem);
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1;
  text-transform: uppercase;
}

.product-card__line {
  font-size: 1.08rem;
}

.product-card__link {
  margin-top: auto;
}

.product-card:nth-child(1) img {
  object-position: center 28%;
}

.product-card:nth-child(2) img {
  object-position: center center;
}

.product-card:nth-child(3) img {
  object-position: center bottom;
}

.product-card:nth-child(4) img {
  object-position: center 36%;
}

.section--cta {
  background:
    radial-gradient(circle at 78% 14%, rgba(209, 177, 132, 0.08), transparent 20%),
    linear-gradient(180deg, #090909 0%, #0d0b0a 100%);
}

.cta-block {
  display: grid;
  grid-template-columns: minmax(340px, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(28px, 7vw, 76px);
  align-items: center;
}

.cta-block__media {
  aspect-ratio: 4 / 5;
}

.cta-block__panel {
  padding: clamp(24px, 4vw, 34px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
}

.cta-block__lead {
  margin-top: 22px;
  font-size: clamp(1.06rem, 2.2vw, 1.3rem);
  line-height: 1.6;
  text-wrap: balance;
  overflow-wrap: normal;
  word-break: keep-all;
}

.cta-block__subnote {
  margin-top: 18px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.8;
}

.cta-block__subnote a {
  color: var(--text);
  border-bottom: 1px solid rgba(209, 177, 132, 0.42);
  transition:
    color 180ms ease,
    border-color 180ms ease;
}

.section--info {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 0% 0%, rgba(255, 255, 255, 0.04), transparent 22%),
    linear-gradient(180deg, #0d0d0e 0%, #080808 100%);
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
}

.mini-card {
  display: flex;
  flex-direction: column;
  min-height: 180px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
}

.mini-card--link {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition:
    border-color 220ms ease,
    background 220ms ease,
    transform 220ms ease,
    box-shadow 220ms ease;
}

.mini-card--link:visited {
  color: inherit;
}

.mini-card--link:hover {
  border-color: rgba(244, 239, 232, 0.34);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.22);
}

.mini-card--link:focus-visible {
  outline: none;
  border-color: rgba(244, 239, 232, 0.4);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.035));
  box-shadow:
    0 0 0 1px rgba(244, 239, 232, 0.18),
    0 16px 34px rgba(0, 0, 0, 0.24);
}

.mini-card p:last-child {
  margin-top: 18px;
  font-size: 1.08rem;
  line-height: 1.66;
  text-wrap: balance;
  overflow-wrap: normal;
  word-break: keep-all;
}

.section--final {
  padding-bottom: clamp(132px, 16vw, 210px);
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.04), transparent 24%),
    linear-gradient(180deg, #070707 0%, #040404 100%);
}

.section-inner--narrow {
  width: min(900px, calc(100% - 48px));
}

.final-cta {
  padding: clamp(28px, 5vw, 42px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
  text-align: center;
}

.final-cta h2 {
  max-width: none;
  margin: 0 auto;
}

.final-cta__lead {
  margin-top: 20px;
  font-size: clamp(1.06rem, 2.2vw, 1.26rem);
  line-height: 1.6;
  text-wrap: balance;
  overflow-wrap: normal;
  word-break: keep-all;
}

.final-cta__actions {
  justify-content: center;
}

.final-cta__sub {
  margin-top: 26px;
}

@media (hover: hover) {
  .page-nav__links a:hover {
    color: var(--text);
  }

  .cta-block__subnote a:hover {
    color: var(--accent);
    border-color: var(--accent);
  }

  .button:hover,
  .section-link:hover,
  .product-card__link:hover,
  .final-cta__sub:hover {
    transform: translateY(-1px);
  }

  .button--ghost:hover,
  .section-link:hover,
  .product-card__link:hover,
  .final-cta__sub:hover {
    background: rgba(255, 255, 255, 0.05);
  }
}

@media (max-width: 1100px) {
  .hero__inner,
  .cta-block {
    grid-template-columns: 1fr;
  }

  .hero__inner {
    min-height: auto;
    align-items: start;
  }

  .hero__visual {
    max-width: 540px;
  }

  .lineup-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .impact-grid,
  .mini-grid {
    grid-template-columns: 1fr;
  }

  .section-heading--row {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .section-link {
    width: fit-content;
  }
}

@media (max-width: 720px) {
  .page-nav__inner,
  .section-inner,
  .section-inner--narrow {
    width: 100%;
    max-width: none;
    padding-inline: 16px;
  }

  .page-nav__inner {
    min-height: 52px;
  }

  .page-nav__brand small {
    display: none;
  }

  .page-nav__links {
    gap: 14px;
  }

  .page-nav__links a,
  .section-label,
  .impact-card__label,
  .mini-card__label {
    font-size: 0.72rem;
    letter-spacing: 0.18em;
  }

  .hero,
  .section {
    padding: 82px 0;
  }

  .hero__background {
    background-position: 60% 28%;
    opacity: 0.4;
    filter: saturate(0.8) brightness(0.58) contrast(0.96);
  }

  .hero__overlay {
    background:
      linear-gradient(180deg, rgba(4, 4, 4, 0.72) 0%, rgba(4, 4, 4, 0.46) 44%, rgba(4, 4, 4, 0.68) 100%),
      linear-gradient(90deg, rgba(4, 4, 4, 0.62) 0%, rgba(4, 4, 4, 0.22) 100%);
  }

  .hero h1 {
    width: min(100%, 8ch);
    font-size: clamp(3rem, 12vw, 4.2rem);
    letter-spacing: 0.06em;
  }

  .hero__lead,
  .cta-block__lead,
  .final-cta__lead,
  .mini-card p,
  .product-card__line {
    font-size: 1.02rem;
  }

  .hero__lead {
    font-size: 1.08rem;
  }

  .hero__actions,
  .cta-block__actions,
  .final-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .section-link,
  .product-card__link,
  .final-cta__sub {
    width: 100%;
  }

  .section h2 {
    max-width: 100%;
    font-size: clamp(1.62rem, 6.6vw, 2.14rem);
    line-height: 1.24;
  }

  #impact-title {
    font-size: clamp(1.34rem, 4.8vw, 1.64rem);
  }

  #lineup-title {
    font-size: clamp(1.24rem, 4.5vw, 1.5rem);
  }

  #cta-title,
  #info-title,
  #final-title {
    font-size: clamp(1.3rem, 4.8vw, 1.62rem);
  }

  .impact-card,
  .product-card__body,
  .cta-block__panel,
  .mini-card,
  .final-cta {
    padding-inline: 18px;
  }

  .lineup-grid {
    grid-template-columns: 1fr;
  }

  .hero__visual,
  .impact-card__media,
  .cta-block__media {
    aspect-ratio: 4 / 5;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .page-nav__links a,
  .button,
  .section-link,
  .product-card__link,
  .final-cta__sub {
    transition: none;
  }
}
