:root {
  --ink: #20242a;
  --muted: #68717d;
  --paper: #fffaf1;
  --white: #ffffff;
  --coral: #f26f61;
  --teal: #0c8d96;
  --yellow: #f6c847;
  --charcoal: #2b3138;
  --line: #e9dfd0;
  --shadow: 0 18px 45px rgba(32, 36, 42, 0.12);
  font-family: "Hiragino Sans", "Yu Gothic", "YuGothic", "Meiryo", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(255, 250, 241, 0.92);
  border-bottom: 1px solid rgba(43, 49, 56, 0.08);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--white);
  background: var(--charcoal);
  border: 4px solid var(--yellow);
  border-radius: 50%;
  font-size: 0.9rem;
  line-height: 1;
}

.brand-name {
  font-size: 1.15rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 22px);
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 8px 2px;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 3px;
  background: var(--coral);
  border-radius: 999px;
  content: "";
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  opacity: 1;
  transform: translateY(0);
}

.hero {
  position: relative;
  display: grid;
  min-height: clamp(520px, 76svh, 760px);
  overflow: hidden;
  background: var(--white);
}

.hero-media,
.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media {
  display: block;
}

.hero-image {
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(255, 250, 241, 0.96) 0%, rgba(255, 250, 241, 0.72) 38%, rgba(255, 250, 241, 0.12) 72%),
    linear-gradient(180deg, rgba(255, 250, 241, 0.26), rgba(255, 250, 241, 0.5));
}

.hero-content {
  position: relative;
  z-index: 1;
  align-self: center;
  width: min(680px, calc(100% - 36px));
  margin-left: clamp(18px, 8vw, 112px);
  padding: 56px 0;
}

.eyebrow,
.section-label {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.22;
}

h1 {
  margin-bottom: 20px;
  font-size: 7.5rem;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 560px;
  margin-bottom: 30px;
  color: #3d454e;
  font-size: 1.25rem;
  font-weight: 700;
}

.hero-actions,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 2px solid var(--charcoal);
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(32, 36, 42, 0.14);
}

.button.primary,
.button.compact {
  color: var(--white);
  background: var(--charcoal);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.72);
}

.button.compact {
  min-height: 42px;
  padding: 0 16px;
  font-size: 0.92rem;
}

.section {
  padding: clamp(64px, 9vw, 112px) clamp(18px, 4vw, 56px);
}

.section:nth-of-type(even) {
  background: var(--white);
}

.section-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.split {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(30px, 7vw, 88px);
  align-items: start;
}

.section h2 {
  margin-bottom: 0;
  font-size: 3rem;
}

.lead-block {
  color: #3d454e;
  font-size: 1.18rem;
  font-weight: 650;
}

.lead-block p:last-child,
.notice-panel p:last-child,
.member-card p:last-child,
.profile-card p:last-child,
.timeline-item p:last-child {
  margin-bottom: 0;
}

.section-heading {
  margin-bottom: 28px;
}

.member-grid,
.member-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.member-card,
.profile-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.member-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: center;
  padding: clamp(20px, 4vw, 30px);
}

.member-card h3,
.profile-card h2,
.timeline-item h3 {
  margin-bottom: 6px;
  font-size: 1.55rem;
}

.member-card p,
.profile-card p,
.timeline-item p,
.notice-panel p {
  color: var(--muted);
}

.avatar {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  flex: 0 0 auto;
  color: var(--white);
  border-radius: 50%;
  font-weight: 900;
  line-height: 1;
}

.avatar.large {
  width: 88px;
  height: 88px;
  font-size: 1.25rem;
}

.avatar-coral {
  background: var(--coral);
}

.avatar-teal {
  background: var(--teal);
}

.text-link {
  color: var(--teal);
  font-weight: 850;
  text-decoration-thickness: 0.14em;
  text-underline-offset: 0.22em;
}

.notice-panel {
  padding: clamp(22px, 5vw, 36px);
  border: 2px solid var(--charcoal);
  border-radius: 8px;
  background: var(--yellow);
  box-shadow: 8px 8px 0 var(--charcoal);
}

.page-hero {
  padding: clamp(70px, 10vw, 130px) clamp(18px, 4vw, 56px);
  color: var(--white);
  background: var(--charcoal);
}

.page-hero-members {
  background:
    linear-gradient(135deg, rgba(32, 36, 42, 0.93), rgba(12, 141, 150, 0.78)),
    url("prime-hero.jpg") center / cover;
}

.page-hero-works {
  background:
    linear-gradient(135deg, rgba(32, 36, 42, 0.94), rgba(242, 111, 97, 0.72)),
    url("prime-hero.jpg") center / cover;
}

.page-hero-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.page-hero h1 {
  margin-bottom: 12px;
  font-size: 5.8rem;
}

.page-hero p:last-child {
  max-width: 640px;
  margin-bottom: 0;
  font-size: 1.18rem;
  font-weight: 700;
}

.profile-card {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: clamp(24px, 5vw, 36px);
}

.profile-head {
  display: flex;
  gap: 18px;
  align-items: center;
}

.profile-head p {
  margin-bottom: 0;
  font-weight: 800;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.timeline-dot {
  width: 18px;
  height: 18px;
  margin-top: 8px;
  border: 4px solid var(--yellow);
  border-radius: 50%;
  background: var(--coral);
}

.timeline-status {
  margin-bottom: 4px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 30px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: var(--charcoal);
}

.site-footer p {
  margin-bottom: 0;
  font-weight: 900;
}

.site-footer a {
  color: var(--white);
  font-weight: 700;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

@media (max-width: 760px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
    font-size: 0.9rem;
  }

  .hero {
    min-height: 640px;
  }

  .hero-image {
    object-position: 62% center;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(255, 250, 241, 0.97) 0%, rgba(255, 250, 241, 0.88) 44%, rgba(255, 250, 241, 0.16) 100%),
      linear-gradient(90deg, rgba(255, 250, 241, 0.72), rgba(255, 250, 241, 0.18));
  }

  .hero-content {
    align-self: start;
    width: calc(100% - 36px);
    margin: 0 auto;
    padding-top: 54px;
  }

  h1 {
    font-size: 5rem;
  }

  .hero-copy {
    font-size: 1.08rem;
  }

  .section h2 {
    font-size: 2.35rem;
  }

  .lead-block,
  .page-hero p:last-child {
    font-size: 1.05rem;
  }

  .member-card h3,
  .profile-card h2,
  .timeline-item h3 {
    font-size: 1.32rem;
  }

  .page-hero h1 {
    font-size: 4rem;
  }

  .split,
  .member-grid,
  .member-list {
    grid-template-columns: 1fr;
  }

  .member-card {
    grid-template-columns: 1fr;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .site-nav {
    font-size: 0.84rem;
  }

  h1 {
    font-size: 3.8rem;
  }

  .section h2 {
    font-size: 2.05rem;
  }

  .page-hero h1 {
    font-size: 3rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .profile-head {
    align-items: flex-start;
    flex-direction: column;
  }
}