* {
  box-sizing: border-box;
}

:root {
  --bg: #090606;
  --panel: #15100e;
  --panel-soft: #1d1511;
  --text: #f6f1ec;
  --muted: #b9aaa1;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #ff6b35;
  --accent-2: #f5c16c;
  --radius: 8px;
  --width: 1080px;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    "Noto Sans JP",
    sans-serif;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 107, 53, 0.16), transparent 34%),
    linear-gradient(180deg, #090606 0%, #120c0a 42%, #070505 100%);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding: 12px max(18px, calc((100vw - var(--width)) / 2 + 18px));
  border-bottom: 1px solid var(--line);
  background: rgba(9, 6, 6, 0.86);
  backdrop-filter: blur(12px);
}

.brand,
.site-nav,
.hero__status,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.site-nav {
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a,
.site-footer a {
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-footer a:hover,
.site-footer a:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  outline: none;
}

.hero {
  width: min(100%, var(--width));
  min-height: calc(100vh - 64px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  padding: 72px 18px;
}

.hero__logo {
  display: grid;
  place-items: center;
  min-height: 340px;
  border: 1px solid rgba(245, 193, 108, 0.18);
  border-radius: var(--radius);
  background:
    radial-gradient(circle, rgba(245, 193, 108, 0.16), transparent 60%),
    linear-gradient(180deg, rgba(29, 21, 17, 0.9), rgba(10, 7, 6, 0.96));
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.42);
}

.hero__logo img {
  width: min(90%, 520px);
  filter:
    drop-shadow(0 18px 26px rgba(0, 0, 0, 0.5))
    drop-shadow(0 0 24px rgba(255, 107, 53, 0.18));
}

.kicker {
  margin: 0 0 12px;
  color: var(--accent-2);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.18em;
}

.hero h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(42px, 8vw, 92px);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero__copy p:not(.kicker),
.overview-grid p,
.progress-grid p,
.gallery-placeholder p {
  color: var(--muted);
  line-height: 1.82;
}

.hero__copy p:not(.kicker) {
  max-width: 36em;
  margin: 22px 0 0;
  font-size: clamp(15px, 2vw, 18px);
}

.hero__status {
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.hero__status span {
  padding: 8px 11px;
  border: 1px solid rgba(245, 193, 108, 0.2);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.24);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.section {
  width: min(100%, var(--width));
  margin: 0 auto;
  padding: 62px 18px 0;
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.55fr);
  gap: 30px;
  align-items: start;
}

.overview-grid h2,
.gallery-placeholder h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.12;
}

.overview-grid p {
  margin: 0;
}

.progress-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.progress-grid article {
  min-height: 190px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-soft), var(--panel));
}

.progress-grid span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.14em;
}

.progress-grid h3 {
  margin: 0;
  color: #fff;
  font-size: 18px;
}

.progress-grid p {
  margin: 12px 0 0;
  font-size: 14px;
}

.gallery-placeholder {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(29, 21, 17, 0.96), rgba(13, 9, 8, 0.96));
}

.gallery-placeholder img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  padding: 18px;
  background: rgba(0, 0, 0, 0.24);
  border-radius: var(--radius);
}

.gallery-placeholder p {
  margin: 14px 0 0;
}

.site-footer {
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 70px 18px 32px;
}

@media (max-width: 780px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero,
  .overview-grid,
  .progress-grid,
  .gallery-placeholder {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  .hero__logo {
    min-height: 260px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}