:root {
  --ink: #151515;
  --soft-ink: #44413c;
  --paper: #f7f5ef;
  --warm: #ebe5d9;
  --white: #ffffff;
  --line: rgba(21, 21, 21, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Times New Roman", serif;
  letter-spacing: 0;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 22px clamp(22px, 5vw, 72px);
  color: var(--white);
  background: linear-gradient(rgba(0, 0, 0, 0.52), rgba(0, 0, 0, 0));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 15px;
  font-weight: 700;
}

.brand img {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  object-fit: cover;
}

.brand span {
  white-space: nowrap;
}

.nav {
  display: flex;
  gap: clamp(18px, 3vw, 38px);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 13px;
  font-weight: 600;
}

.hero {
  position: relative;
  min-height: 96vh;
  overflow: hidden;
  background: #111;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.66), rgba(0, 0, 0, 0.22) 54%, rgba(0, 0, 0, 0.08)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.28), rgba(0, 0, 0, 0.04) 46%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: center;
  min-height: 96vh;
  max-width: 760px;
  padding: 130px clamp(24px, 7vw, 92px) 92px;
  color: var(--white);
}

.hero-copy p,
.section-head p,
.contact p,
.section-label {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.hero-copy h1 {
  margin: 24px 0 28px;
  font-size: clamp(42px, 7vw, 82px);
  font-weight: 500;
  line-height: 1.2;
}

.hero-copy span {
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 1.8;
}

.concept {
  display: grid;
  grid-template-columns: 170px minmax(0, 880px);
  gap: clamp(28px, 7vw, 96px);
  padding: clamp(82px, 12vw, 150px) clamp(24px, 8vw, 110px);
  background: var(--paper);
}

.section-label {
  color: var(--soft-ink);
}

.concept h2,
.section-head h2,
.contact h2 {
  margin: 0;
  font-size: clamp(30px, 4.6vw, 58px);
  font-weight: 500;
  line-height: 1.34;
}

.concept p {
  max-width: 760px;
  margin: 30px 0 0;
  color: var(--soft-ink);
  font-size: 17px;
  line-height: 2.25;
}

.section {
  padding: clamp(76px, 11vw, 136px) clamp(24px, 8vw, 110px);
}

.team {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
  gap: clamp(30px, 6vw, 82px);
  align-items: center;
  background: #111;
  color: var(--white);
}

.team-image {
  overflow: hidden;
  background: #0f0f0f;
}

.team-image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: saturate(0.82) contrast(0.96);
}

.team-copy {
  max-width: 560px;
}

.team-copy p:first-child {
  margin: 0 0 22px;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.team-copy h2 {
  margin: 0;
  font-size: clamp(30px, 4.4vw, 56px);
  font-weight: 500;
  line-height: 1.34;
}

.team-copy p:last-child {
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 16px;
  line-height: 2.15;
}

.section-head {
  display: grid;
  grid-template-columns: 170px minmax(0, 780px);
  gap: clamp(28px, 7vw, 96px);
  align-items: start;
  margin-bottom: 48px;
}

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

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

.service-grid article {
  min-height: 300px;
  padding: 34px 28px 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fff, #fbfaf7);
}

.service-grid span {
  display: block;
  margin-bottom: 70px;
  color: #8b8377;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 12px;
  font-weight: 700;
}

.service-grid h3 {
  margin: 0 0 18px;
  font-size: 26px;
  font-weight: 500;
}

.service-grid p,
.journal-panel p {
  margin: 0;
  color: var(--soft-ink);
  font-size: 15px;
  line-height: 2;
}

.works-gallery {
  background: var(--warm);
}

.works-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 34px);
}

.works-list article {
  display: grid;
  gap: 20px;
}

.works-list img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.works-list span {
  display: block;
  margin-bottom: 9px;
  color: #81796f;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.works-list h3 {
  margin: 0;
  font-size: clamp(20px, 2.3vw, 28px);
  font-weight: 500;
  line-height: 1.45;
}

.journal {
  background: var(--paper);
}

.consultation {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(30px, 6vw, 82px);
  align-items: center;
  background: var(--white);
}

.consultation-copy {
  max-width: 560px;
}

.consultation-copy p:first-child {
  margin: 0 0 22px;
  color: #81796f;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.consultation-copy h2 {
  margin: 0;
  font-size: clamp(30px, 4.4vw, 56px);
  font-weight: 500;
  line-height: 1.34;
}

.consultation-copy p:last-child {
  margin: 28px 0 0;
  color: var(--soft-ink);
  font-size: 16px;
  line-height: 2.15;
}

.consultation-image img {
  display: block;
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

.journal-panel {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  padding: clamp(24px, 4vw, 42px);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(21, 21, 21, 0.13);
}

.journal-panel img {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  object-fit: cover;
}

.journal-panel .account {
  margin-bottom: 7px;
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
}

.journal-panel a,
.contact a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid currentColor;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  transition: background 180ms ease, color 180ms ease;
}

.journal-panel a:hover {
  background: var(--ink);
  color: var(--white);
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: clamp(78px, 10vw, 128px) clamp(24px, 8vw, 110px);
  background: #171717;
  color: var(--white);
}

.contact h2 {
  max-width: 780px;
  margin-top: 18px;
}

.contact a:hover {
  background: var(--white);
  color: #171717;
}

@media (max-width: 920px) {
  .site-header {
    position: absolute;
  }

  .nav {
    display: none;
  }

  .concept,
  .section-head,
  .team,
  .consultation {
    grid-template-columns: 1fr;
  }

  .team-copy,
  .consultation-copy {
    max-width: none;
  }

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

  .works-list {
    grid-template-columns: 1fr;
  }

  .journal-panel {
    grid-template-columns: 88px 1fr;
  }

  .journal-panel a {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .contact {
    display: grid;
    align-items: start;
  }
}

@media (max-width: 560px) {
  .brand span {
    font-size: 13px;
  }

  .hero,
  .hero-copy {
    min-height: 88vh;
  }

  .hero-copy {
    padding-top: 116px;
  }

  .hero-copy h1 {
    font-size: 39px;
  }

  .service-grid,
  .journal-panel {
    grid-template-columns: 1fr;
  }

  .service-grid article {
    min-height: auto;
  }
}