:root {
  --bg: #f4f4f4;
  --ink: #111111;
  --muted: #3f3f3f;
  --soft: #6b6b6b;
  --line: #d7d7d7;
  --white: #ffffff;
  --pad: clamp(20px, 5vw, 72px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; color: inherit; }
::selection { background: #111; color: #fff; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 28px;
  background: rgba(244, 244, 244, 0.9);
  backdrop-filter: blur(16px);
}
.site-header.is-scrolled { box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06); }
.brand { display: flex; align-items: center; flex: 0 0 auto; }
.brand img { height: 62px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}
.nav-links a {
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}
.nav-links a[aria-current="page"] { text-decoration: underline; text-underline-offset: 5px; }
.nav-links a:hover { text-decoration: underline; text-underline-offset: 5px; }
.lang-switch {
  display: flex;
  border: 1px solid #cfcfcf;
  border-radius: 999px;
  overflow: hidden;
  background: #fff;
  flex: 0 0 auto;
}
.lang-switch button {
  border: 0;
  background: transparent;
  padding: 7px 11px;
  cursor: pointer;
  font-size: 12px;
  letter-spacing: 0.06em;
}
.lang-switch button.active { background: #111; color: #fff; }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  padding: 10px;
  cursor: pointer;
  position: relative;
  z-index: 60;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: #111;
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px var(--pad) 72px;
}
.hero-inner { width: min(1080px, 100%); margin-left: auto; }
.hero h1 {
  margin: 0;
  text-align: right;
  font-size: clamp(58px, 8.6vw, 124px);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 0.9;
}
.hero h1 span { display: block; }

.block { padding: 28px var(--pad) 80px; }
.statement {
  margin: 0;
  max-width: 1080px;
  font-size: clamp(34px, 4.6vw, 68px);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.02;
}
.section-kicker {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--soft);
}
.section-title {
  margin: 0 0 28px;
  font-size: clamp(36px, 4vw, 56px);
  letter-spacing: -0.045em;
  line-height: 0.95;
  font-weight: 800;
}
.section-lead {
  margin: -12px 0 28px;
  max-width: 560px;
  color: var(--muted);
}

.index-list { list-style: none; margin: 8px 0 0; padding: 0; }
.index-list a {
  display: grid;
  grid-template-columns: 56px minmax(140px, 200px) 1fr auto;
  gap: 12px 20px;
  align-items: baseline;
  padding: 26px 4px;
  border-top: 1px solid var(--line);
  text-decoration: none;
}
.index-list li:last-child a { border-bottom: 1px solid var(--line); }
.index-list .num { color: var(--soft); font-size: 14px; }
.index-list .name { font-size: clamp(22px, 2vw, 30px); font-weight: 750; font-weight: 700; letter-spacing: -0.03em; }
.index-list .desc { color: var(--muted); }
.index-list .arrow { font-size: 22px; transition: transform 0.25s ease; }
.index-list a:hover .arrow { transform: translateX(8px); }

.notes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.note { text-decoration: none; color: inherit; }
.note img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 18px;
}
.note .tag {
  display: block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--soft);
}
.note h3 {
  margin: 6px 0 0;
  font-size: 22px;
  letter-spacing: -0.03em;
  line-height: 1.2;
  font-weight: 700;
}
.note:hover h3 { text-decoration: underline; text-underline-offset: 4px; }

.guide { padding: 40px var(--pad) 90px; overflow: hidden; }
.mega {
  margin: 0;
  font-size: clamp(52px, 12vw, 168px);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.86;
}
.mega span { display: block; }
.mega span:nth-child(2) { padding-left: 8vw; }
.guide-link {
  display: inline-block;
  margin-top: 28px;
  text-decoration: none;
  font-size: 18px;
  border-bottom: 1px solid #111;
  padding-bottom: 2px;
}

.band {
  min-height: 78vh;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.62), rgba(0, 0, 0, 0.08)), url("../assets/sustainability.jpg") center / cover no-repeat;
  color: #fff;
  display: flex;
  align-items: flex-end;
}
.band-inner { padding: 56px var(--pad); max-width: 860px; }
.band h2 {
  margin: 0;
  font-size: clamp(40px, 5.4vw, 76px);
  letter-spacing: -0.045em;
  line-height: 0.95;
  font-weight: 800;
}
.pill {
  display: inline-flex;
  align-items: center;
  margin-top: 22px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid currentColor;
  text-decoration: none;
  background: transparent;
}
.pill.solid {
  background: #111;
  color: #fff;
  border-color: #111;
}
.pill:hover { transform: translateY(-1px); }

.help { padding: 88px var(--pad) 96px; }
.finder {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 560px;
  background: #fff;
  border-radius: 999px;
  padding: 6px 6px 6px 22px;
  border: 1px solid #e6e6e6;
}
.finder input {
  flex: 1;
  border: 0;
  background: transparent;
  outline: none;
  min-width: 0;
  padding: 10px 0;
}
.finder button {
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  background: #111;
  color: #fff;
  cursor: pointer;
}
.finder-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 22px 0 0;
  padding: 0;
  max-width: 760px;
}
.finder-list a { color: var(--muted); text-underline-offset: 3px; }
.finder-empty { color: var(--soft); margin-top: 16px; }

.site-footer {
  background: #fff;
  padding: 64px var(--pad) 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.3fr;
  gap: 32px;
}
.footer-brand img { height: 84px; width: auto; margin-bottom: 8px; }
.site-footer h2 {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 650;
  font-weight: 600;
}
.site-footer a, .site-footer p {
  margin: 0 0 8px;
  font-size: 15px;
  text-decoration: none;
  color: #222;
}
.site-footer a:hover { text-decoration: underline; text-underline-offset: 3px; }
.legal {
  margin-top: 36px;
  padding-top: 16px;
  border-top: 1px solid #eee;
  color: #666;
  font-size: 13px;
}

.page-intro { padding: 148px var(--pad) 12px; max-width: 980px; }
.eyebrow {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--soft);
}
.page-intro h1 {
  margin: 10px 0 16px;
  font-size: clamp(56px, 8vw, 108px);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 0.9;
}
.lede { margin: 0; max-width: 640px; font-size: 20px; color: #2c2c2c; }
.wide-photo { margin: 36px var(--pad) 0; }
.wide-photo img {
  width: 100%;
  height: min(70vh, 680px);
  object-fit: cover;
  border-radius: 22px;
}
.trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  padding: 56px var(--pad) 20px;
}
.trio article { border-top: 1px solid var(--line); padding-top: 18px; }
.trio h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 2vw, 32px);
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.trio p { margin: 0; color: var(--muted); }
.next { padding: 18px var(--pad) 96px; }
.next a {
  display: inline-flex;
  gap: 12px;
  text-decoration: none;
  font-size: clamp(32px, 4.5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1;
}
.next a:hover { text-decoration: underline; text-underline-offset: 6px; }

.contact-wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  padding: 28px var(--pad) 90px;
  align-items: start;
}
.topics { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.topics button {
  border: 1px solid #111;
  background: transparent;
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
}
.topics button.is-active { background: #111; color: #fff; }
.field { display: flex; flex-direction: column; gap: 6px; margin-top: 18px; }
.field span { font-size: 13px; letter-spacing: 0.04em; color: var(--soft); }
.field input, .field textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid #111;
  background: transparent;
  padding: 10px 0 12px;
  outline: none;
  border-radius: 0;
}
.field textarea { min-height: 120px; resize: vertical; }
.form-note { min-height: 1.4em; margin: 14px 0 0; color: var(--muted); }
.contact-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: 22px;
  margin-bottom: 22px;
}
.contact-card h2 { margin: 0 0 8px; font-size: 28px; letter-spacing: -0.03em; }
.contact-card p { margin: 0 0 14px; }
.contact-card a { color: inherit; }

@media (max-width: 980px) {
  .site-header { padding: 8px 16px; gap: 10px; }
  .nav-toggle { display: block; margin-left: auto; }
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    margin: 0;
    z-index: 45;
    background: #f4f4f4;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 96px 28px;
    gap: 4px;
    transform: translateY(-102%);
    transition: transform 0.35s ease;
  }
  .nav-links.is-open { transform: none; }
  .nav-links a {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.15;
  }
  .lang-switch { position: relative; z-index: 60; }
  .hero {
    min-height: auto;
    align-items: flex-start;
    padding: 118px 20px 56px;
  }
  .hero h1 { text-align: left; font-size: 36px; line-height: 0.98; }
  .hero-inner { margin-left: 0; width: 100%; }
  .index-list a { grid-template-columns: 42px 1fr auto; }
  .index-list .desc { grid-column: 2 / -1; }
  .notes-grid, .trio, .footer-grid, .contact-wrap { grid-template-columns: 1fr; }
  .mega span:nth-child(2) { padding-left: 0; }
  .brand img { height: 50px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .nav-links, .index-list .arrow, .nav-toggle span { transition: none; }
}