:root {
  --ink: #17191d;
  --muted: #5c6470;
  --line: #d9ded8;
  --paper: #f7f6f1;
  --white: #ffffff;
  --forest: #1f5f52;
  --red: #b34b3d;
  --blue: #315f8f;
  --gold: #b18842;
  --shadow: 0 20px 60px rgba(14, 21, 28, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Meiryo", system-ui, sans-serif;
  line-height: 1.75;
}

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.12);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 28px);
  font-size: 14px;
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #111;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.74), rgba(0, 0, 0, 0.18) 58%, rgba(0, 0, 0, 0.04)),
    linear-gradient(0deg, rgba(247, 246, 241, 0.98), rgba(247, 246, 241, 0) 21%);
}

.hero-content {
  position: relative;
  width: min(720px, calc(100% - 40px));
  margin-left: clamp(20px, 7vw, 92px);
  padding-top: 66px;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(44px, 8vw, 92px);
  line-height: 1.03;
  letter-spacing: 0;
}

.lead {
  max-width: 640px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(16px, 2vw, 20px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid currentColor;
  font-weight: 800;
  line-height: 1.2;
}

.button.primary {
  color: var(--white);
  background: var(--red);
  border-color: var(--red);
}

.button.secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.55);
}

.section {
  padding: clamp(72px, 10vw, 128px) clamp(20px, 6vw, 80px);
}

.section-head {
  max-width: 980px;
  margin: 0 auto 34px;
}

.section h2 {
  margin: 0;
  font-size: clamp(28px, 5vw, 58px);
  line-height: 1.15;
  letter-spacing: 0;
}

.principles,
.field-grid,
.article-grid,
.proof-grid,
.venture-list {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principles article {
  min-height: 220px;
  padding: 30px;
  border-right: 1px solid var(--line);
}

.principles article:last-child {
  border-right: 0;
}

.principles span {
  color: var(--red);
  font-weight: 900;
}

.principles h3,
.field h3,
.article-card h3 {
  margin: 14px 0 10px;
  font-size: 22px;
  line-height: 1.35;
  letter-spacing: 0;
}

.principles p,
.field span,
.article-card span {
  color: var(--muted);
}

.profile {
  background: var(--white);
}

.profile-layout {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(280px, 0.42fr) 1fr;
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
}

.portrait-slot {
  min-height: 520px;
  padding: 18px;
  background: linear-gradient(135deg, rgba(31, 95, 82, 0.14), rgba(179, 75, 61, 0.12));
  border: 1px solid var(--line);
}

.portrait-placeholder {
  width: 100%;
  height: 100%;
  min-height: 484px;
  display: grid;
  place-content: center;
  gap: 8px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed rgba(23, 25, 29, 0.28);
  background: rgba(255, 255, 255, 0.62);
}

.portrait-placeholder span {
  color: var(--forest);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.portrait-placeholder strong {
  font-size: 22px;
}

.profile-copy h2 {
  margin: 0;
  font-size: clamp(30px, 5vw, 56px);
  line-height: 1.15;
}

.profile-copy > p:not(.eyebrow) {
  margin: 22px 0 28px;
  color: var(--muted);
  font-size: 17px;
}

.profile-facts {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.profile-facts div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 18px;
  padding: 18px;
  background: var(--white);
}

.profile-facts dt {
  color: var(--forest);
  font-weight: 900;
}

.profile-facts dd {
  margin: 0;
  color: var(--ink);
}

.fields {
  background: var(--white);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.field {
  min-height: 260px;
  padding: 26px;
  background: var(--white);
}

.field p,
.article-card p {
  margin: 0;
  color: var(--forest);
  font-size: 13px;
  font-weight: 900;
}

.article-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.filters {
  display: inline-flex;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  background: var(--white);
}

.filter {
  min-width: 54px;
  min-height: 34px;
  border: 0;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.filter.is-active {
  color: var(--white);
  background: var(--ink);
}

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

.article-card {
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(31, 95, 82, 0.36);
}

.article-card.is-hidden {
  display: none;
}

.proof {
  background: #eef1ed;
}

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

.proof-grid article {
  min-height: 260px;
  padding: 28px;
  background: var(--paper);
  border-left: 5px solid var(--forest);
}

.proof-grid strong {
  color: var(--red);
  font-size: 13px;
}

.proof-grid h3 {
  margin: 12px 0 10px;
  font-size: 24px;
}

.proof-grid p {
  margin: 0;
  color: var(--muted);
}

.ventures {
  background: #20242a;
  color: var(--white);
}

.ventures .section-head .eyebrow {
  color: #e1bd6f;
}

.venture-list {
  display: grid;
  gap: 12px;
}

.venture {
  display: grid;
  grid-template-columns: minmax(160px, 0.32fr) 1fr;
  gap: 20px;
  align-items: center;
  min-height: 88px;
  padding: 20px 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.05);
}

.venture span {
  color: #e1bd6f;
  font-weight: 900;
}

.venture strong {
  font-size: clamp(18px, 2.5vw, 28px);
  line-height: 1.35;
}

.closing {
  max-width: 980px;
  margin: 0 auto;
}

.closing h2 {
  margin-bottom: 28px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(20px, 6vw, 80px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
  }

  .nav {
    gap: 12px;
  }

  .principles,
  .field-grid,
  .article-grid,
  .proof-grid {
    grid-template-columns: 1fr 1fr;
  }

  .profile-layout {
    grid-template-columns: 1fr;
  }

  .portrait-slot {
    min-height: 360px;
  }

  .portrait-placeholder {
    min-height: 324px;
  }

  .principles article:nth-child(2) {
    border-right: 0;
  }

  .principles article:last-child {
    grid-column: 1 / -1;
    border-top: 1px solid var(--line);
  }

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

@media (max-width: 640px) {
  .site-header {
    position: absolute;
  }

  .brand span:last-child {
    display: none;
  }

  .nav {
    width: 100%;
    justify-content: flex-end;
    font-size: 12px;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-content {
    width: calc(100% - 32px);
    margin-left: 16px;
  }

  .hero-actions,
  .filters {
    width: 100%;
  }

  .button {
    flex: 1 1 150px;
  }

  .filters {
    overflow-x: auto;
  }

  .principles,
  .field-grid,
  .article-grid,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .profile-facts div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .principles article,
  .principles article:nth-child(2) {
    border-right: 0;
    border-top: 1px solid var(--line);
  }

  .principles article:first-child {
    border-top: 0;
  }

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

  .footer {
    flex-direction: column;
  }
}