:root {
  --black: #090909;
  --ink: #10100e;
  --panel: #151511;
  --panel-2: #202016;
  --yellow: #f5dc00;
  --yellow-2: #ffe94a;
  --white: #f7f4e8;
  --muted: #bfb9a2;
  --line: rgba(247, 244, 232, 0.16);
  --radius: 28px;
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.44);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  letter-spacing: 0.02em;
}

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

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

.site-shell {
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 0%, rgba(245, 220, 0, 0.12), transparent 32rem),
    linear-gradient(180deg, #0b0b0a 0%, #11110f 48%, #090909 100%);
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  padding: 18px clamp(18px, 4vw, 56px);
  background: rgba(9, 9, 9, 0.82);
  border-bottom: 1px solid rgba(247, 244, 232, 0.12);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--black);
  font-family: Inter, sans-serif;
  font-weight: 900;
}

.brand-name,
.brand-sub {
  display: block;
}

.brand-name {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.brand-sub {
  margin-top: 3px;
  color: var(--muted);
  font-family: Inter, sans-serif;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.26em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.site-nav a {
  transition: color 0.25s ease;
}

.site-nav a:hover {
  color: var(--yellow);
}

.nav-cta {
  padding: 12px 20px;
  border: 1px solid var(--yellow);
  border-radius: 999px;
  color: var(--yellow) !important;
}

.menu-button {
  display: none;
  appearance: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: var(--white);
}

.menu-button span {
  display: block;
  width: 28px;
  height: 2px;
  margin: 7px auto;
  background: currentColor;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.25fr);
  min-height: 100vh;
  padding: 128px clamp(18px, 4vw, 56px) 54px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  align-self: center;
  max-width: 680px;
  padding: 40px 0 90px;
}

.eyebrow {
  margin: 0 0 24px;
  color: var(--yellow);
  font-family: Inter, sans-serif;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.28em;
}

.hero h1,
.intro h2,
.section-title h2,
.works h2,
.contact h2 {
  margin: 0;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(56px, 7.2vw, 120px);
}

.hero h1 span {
  display: block;
  white-space: nowrap;
}

.hero h1 span:nth-child(2) {
  color: var(--yellow);
}

.hero-lead {
  max-width: 560px;
  margin: 30px 0 0;
  color: #ded8c2;
  font-size: 16px;
  line-height: 2;
}

.hero-actions,
.contact .button {
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--black);
}

.button.ghost {
  margin-left: 10px;
  color: var(--white);
}

.large-button {
  min-width: min(100%, 330px);
}

.hero-visual {
  position: relative;
  align-self: stretch;
  min-height: 660px;
  margin: 0;
  border-radius: 42px 0 0 42px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(9, 9, 9, 0.85) 0%, rgba(9, 9, 9, 0.18) 38%, rgba(9, 9, 9, 0) 100%),
    linear-gradient(0deg, rgba(9, 9, 9, 0.62), transparent 42%);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-visual figcaption {
  position: absolute;
  right: 26px;
  bottom: 26px;
  z-index: 2;
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px 18px;
  border: 1px solid rgba(247, 244, 232, 0.22);
  border-radius: 999px;
  background: rgba(9, 9, 9, 0.68);
  backdrop-filter: blur(12px);
}

.hero-visual figcaption span {
  color: var(--muted);
  font-family: Inter, sans-serif;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.24em;
}

.hero-visual figcaption strong {
  color: var(--yellow);
  font-size: 13px;
}

.hero-strip {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  gap: 4vw;
  padding: 15px clamp(18px, 4vw, 56px);
  background: var(--yellow);
  color: var(--black);
  font-family: Inter, sans-serif;
  font-size: clamp(18px, 3vw, 42px);
  font-weight: 900;
  letter-spacing: -0.04em;
  white-space: nowrap;
}

.section-dark {
  background: #0d0d0c;
}

.container {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
}

.intro {
  padding: 120px 0;
  border-top: 1px solid var(--line);
}

.intro-grid {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 310px;
  gap: 46px;
  align-items: end;
}

.section-kicker span {
  display: block;
  color: var(--yellow);
  font-family: Inter, sans-serif;
  font-weight: 900;
}

.section-kicker p {
  margin: 16px 0 0;
  color: var(--muted);
  font-family: Inter, sans-serif;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.26em;
}

.intro h2 {
  font-size: clamp(34px, 4.1vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.07em;
}

.intro h2 span {
  display: block;
  white-space: nowrap;
  width: fit-content;
  max-width: none;
}

.intro h2 span:nth-child(2) {
  color: var(--yellow);
}

.intro-copy p,
.works-head p,
.contact p {
  color: #d6d0ba;
  line-height: 2;
}

.proof-card {
  min-height: 210px;
  padding: 28px;
  border: 1px solid rgba(245, 220, 0, 0.32);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(245, 220, 0, 0.18), rgba(245, 220, 0, 0.03)),
    #151511;
}

.proof-card p {
  margin: 0 0 42px;
  color: var(--muted);
  font-size: 13px;
}

.proof-card strong {
  font-size: 24px;
  line-height: 1.45;
}

.service,
.process {
  padding: 118px 0;
  background: #efead9;
  color: var(--ink);
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 46px;
}

.section-title .eyebrow {
  color: #857000;
}

.section-title h2 {
  max-width: 760px;
  font-size: clamp(38px, 5vw, 76px);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.service-card,
.service-list {
  position: relative;
  overflow: hidden;
  min-height: 0;
  aspect-ratio: 1 / 1;
  border-radius: 30px;
  background: #111;
  color: var(--white);
  box-shadow: 0 20px 52px rgba(0, 0, 0, 0.16);
}

.service-card.large {
  grid-row: auto;
}

.service-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.88));
}

.service-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.65s ease;
}

.service-card:hover img {
  transform: scale(1.045);
}

.service-card div {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 26px;
  z-index: 2;
}

.service-card span,
.process-grid span {
  color: var(--yellow);
  font-family: Inter, sans-serif;
  font-weight: 900;
}

.service-card h3,
.service-list h3,
.process-grid h3 {
  margin: 10px 0 10px;
  font-size: 28px;
  line-height: 1.25;
}

.service-card p,
.service-list p,
.process-grid p {
  margin: 0;
  color: #d6d0ba;
  line-height: 1.85;
}

.service-list {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  background:
    linear-gradient(145deg, rgba(245, 220, 0, 0.92), rgba(245, 220, 0, 0.72)),
    #f5dc00;
  color: var(--black);
}

.service-list p {
  color: rgba(9, 9, 9, 0.76);
}

.service-list p:first-child {
  margin-bottom: auto;
  font-family: Inter, sans-serif;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.24em;
}

.works {
  padding: 120px 0;
}

.works-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 0.95fr);
  gap: 54px;
  align-items: start;
}

.works h2 {
  font-size: clamp(52px, 5.2vw, 82px);
  color: var(--yellow);
  line-height: 0.92;
  letter-spacing: -0.08em;
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
  width: max-content;
  max-width: none;
}

.works-head p {
  max-width: 520px;
  margin: 28px 0 0;
}

.instagram-panel {
  min-height: 620px;
  padding: clamp(16px, 3vw, 32px);
  border: 1px solid rgba(245, 220, 0, 0.26);
  border-radius: 34px;
  background:
    linear-gradient(145deg, rgba(245, 220, 0, 0.13), transparent 38%),
    #151511;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.process-grid article {
  min-height: 260px;
  padding: 28px;
  border: 1px solid rgba(16, 16, 14, 0.12);
  border-radius: 26px;
  background: #fffaf0;
}

.process-grid span {
  color: #9b8700;
}

.process-grid p {
  color: rgba(16, 16, 14, 0.68);
}

.contact {
  padding: 120px 0;
  text-align: center;
}

.contact-inner {
  max-width: 920px;
}

.contact h2 {
  font-size: clamp(46px, 6.4vw, 96px);
}

.contact h2 span {
  display: block;
}

.contact h2 span:nth-child(2) {
  color: var(--yellow);
  white-space: nowrap;
}

.contact p {
  max-width: 640px;
  margin: 28px auto 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 40px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  background: #090909;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .menu-button {
    display: block;
    position: relative;
    z-index: 60;
  }

  .site-nav {
    position: fixed;
    inset: 82px 12px auto 12px;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(9, 9, 9, 0.96);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 16px;
  }

  .nav-cta {
    margin-top: 8px;
    text-align: center;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 116px;
  }

  .hero-copy {
    max-width: none;
    padding: 36px 0 26px;
  }

  .hero h1 {
    font-size: clamp(48px, 13.2vw, 76px);
  }

  .hero-visual {
    min-height: 460px;
    border-radius: 32px;
  }

  .intro-grid,
  .works-layout {
    grid-template-columns: 1fr;
  }

  .proof-card {
    min-height: auto;
  }

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

  .service-grid {
    grid-template-columns: repeat(4, minmax(240px, 1fr));
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    padding-bottom: 12px;
    -webkit-overflow-scrolling: touch;
  }

  .service-card,
  .service-list {
    min-height: 0;
    scroll-snap-align: start;
  }

  .intro h2 {
    font-size: clamp(34px, 8.6vw, 54px);
  }

  .section-title {
    display: block;
  }

  .site-footer {
    display: grid;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 76px;
    padding-inline: 16px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-name {
    font-size: 16px;
  }

  .hero {
    padding-inline: 16px;
  }

  .hero h1 span {
    white-space: normal;
  }

  .button {
    width: 100%;
  }

  .button.ghost {
    margin: 12px 0 0;
  }

  .hero-visual {
    min-height: 390px;
  }

  .hero-visual figcaption {
    left: 16px;
    right: 16px;
    justify-content: center;
  }

  .hero-strip {
    position: relative;
    margin: 26px -16px -54px;
    overflow: hidden;
  }

  .intro,
  .service,
  .works,
  .process,
  .contact {
    padding: 82px 0;
  }

  .intro h2,
  .section-title h2,
  .works h2,
  .contact h2 {
    letter-spacing: -0.06em;
  }

  .works h2 {
    font-size: clamp(44px, 13vw, 60px);
    letter-spacing: -0.08em;
    white-space: nowrap;
    word-break: keep-all;
    overflow-wrap: normal;
  }

  .intro h2 {
    font-size: clamp(31px, 9vw, 44px);
    letter-spacing: -0.08em;
  }

  .service-grid {
    grid-template-columns: repeat(4, minmax(235px, 1fr));
    margin-inline: -16px;
    padding-inline: 16px;
  }

  .contact h2 span:nth-child(2) {
    white-space: normal;
  }

  .instagram-panel {
    min-height: 460px;
    padding: 14px;
    border-radius: 24px;
  }
}