:root {
  --sumi: #171918;
  --ivory: #F4F1EA;
  --vermilion: #B54A3A;
  --vermilion-dark: #963B30;
  --indigo: #1C2B3A;
  --line: rgba(23, 25, 24, 0.14);
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--sumi);
  font-family: "Montserrat", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 241, 234, 0.97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.site-header__inner {
  width: min(var(--max-width), calc(100% - 48px));
  min-height: 86px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.brand img {
  width: 210px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-nav a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color 160ms ease;
}

.site-nav a:hover {
  color: var(--vermilion);
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    url("assets/tasuki-hero.png") center center / cover no-repeat;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    90deg,
    rgba(13, 22, 31, 0.94) 0%,
    rgba(13, 22, 31, 0.80) 32%,
    rgba(13, 22, 31, 0.43) 58%,
    rgba(13, 22, 31, 0.08) 84%,
    rgba(13, 22, 31, 0.02) 100%
  );
}

.hero__content {
  width: min(var(--max-width), calc(100% - 48px));
  margin: 0 auto;
}

.hero__content h1 {
  max-width: 760px;
  margin: 0;
  color: var(--ivory);
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(48px, 5.7vw, 80px);
  font-weight: 400;
  line-height: 1.03;
  letter-spacing: -0.025em;
}

.hero__accent {
  width: 48px;
  height: 2px;
  margin: 30px 0;
  background: var(--vermilion);
}

.hero__content p {
  max-width: 610px;
  margin: 0 0 36px;
  color: rgba(244, 241, 234, 0.95);
  font-size: 18px;
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}

.button--primary {
  padding: 0 24px;
  background: var(--vermilion);
  color: var(--ivory);
  transition: background 160ms ease, transform 160ms ease;
}

.button--primary:hover {
  background: var(--vermilion-dark);
  transform: translateY(-1px);
}

.button--text {
  border-bottom: 1px solid rgba(244, 241, 234, 0.45);
  color: var(--ivory);
}

.hero__signature {
  position: absolute;
  right: max(24px, calc((100vw - var(--max-width)) / 2));
  bottom: 54px;
  text-align: right;
  color: var(--ivory);
}

.hero__japanese {
  margin-bottom: 8px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 22px;
  letter-spacing: 0.12em;
}

.hero__tagline {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.32em;
}

.section {
  padding: 110px 0;
}

.section--ivory {
  background: var(--ivory);
}

.section--dark {
  background: var(--indigo);
  color: var(--ivory);
}

.section--contact {
  background: var(--sumi);
  color: var(--ivory);
}

.container {
  width: min(var(--max-width), calc(100% - 48px));
  margin: 0 auto;
}

.container--narrow {
  max-width: 840px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--vermilion);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.eyebrow--light {
  color: #D46D58;
}

.section h2 {
  margin: 0 0 32px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(42px, 5vw, 66px);
  font-weight: 400;
  line-height: 1.07;
  letter-spacing: -0.02em;
}

.lead {
  max-width: 760px;
  margin: 0;
  font-size: 18px;
  line-height: 1.75;
}

.lead--light {
  color: rgba(244, 241, 234, 0.82);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 68px;
}

.card {
  min-height: 280px;
  padding: 32px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.18);
}

.card__number,
.process__item > span {
  color: var(--vermilion);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.card h3,
.process__item h3 {
  margin: 34px 0 16px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 30px;
  font-weight: 400;
}

.card p,
.process__item p {
  margin: 0;
  line-height: 1.65;
}

.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 70px;
}

.process__item {
  padding-top: 24px;
  border-top: 1px solid rgba(244, 241, 234, 0.24);
}

.process__item p {
  color: rgba(244, 241, 234, 0.78);
  font-size: 15px;
}

.contact-placeholder {
  margin-top: 42px;
  padding: 22px 0;
  border-top: 1px solid rgba(244, 241, 234, 0.22);
  border-bottom: 1px solid rgba(244, 241, 234, 0.22);
  color: rgba(244, 241, 234, 0.75);
}

.site-footer {
  padding: 34px 0;
  background: var(--ivory);
  border-top: 1px solid var(--line);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-footer img {
  width: 165px;
}

.site-footer p {
  margin: 0;
  font-size: 12px;
  color: rgba(23, 25, 24, 0.65);
}

@media (max-width: 900px) {
  .site-header__inner {
    min-height: 78px;
  }

  .brand img {
    width: 175px;
  }

  .site-nav {
    gap: 18px;
  }

  .hero {
    min-height: 620px;
    background-position: 60% center;
  }

  .hero__signature {
    display: none;
  }

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

  .process {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .site-header__inner {
    width: min(100% - 32px, var(--max-width));
    min-height: auto;
    padding: 16px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .brand img {
    width: 160px;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    gap: 18px;
    padding-bottom: 3px;
  }

  .site-nav a {
    white-space: nowrap;
    font-size: 12px;
  }

  .hero {
    min-height: 590px;
    background-position: 65% center;
  }

  .hero__overlay {
    background: linear-gradient(
      90deg,
      rgba(13, 22, 31, 0.92) 0%,
      rgba(13, 22, 31, 0.78) 66%,
      rgba(13, 22, 31, 0.42) 100%
    );
  }

  .hero__content {
    width: min(100% - 40px, var(--max-width));
  }

  .hero__content h1 {
    font-size: 43px;
  }

  .hero__content p {
    font-size: 16px;
  }

  .hero__actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .section {
    padding: 76px 0;
  }

  .container {
    width: min(100% - 40px, var(--max-width));
  }

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

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