:root {
  --navy: #1e3557;
  --ivory: #f6f2ea;
  --gold: #c9a96b;
  --ocean: #446b8a;
  --sand: #d8c3a5;
  --mist: #d9dee3;
  --ink: #132239;
  --pine: #3e5d52;
  --coral: #a96f60;
  --line: rgba(30, 53, 87, 0.16);
  --shadow: 0 1.5rem 4rem rgba(10, 24, 44, 0.18);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(246, 242, 234, 0.98), rgba(217, 222, 227, 0.58)),
    var(--ivory);
  color: var(--ink);
  font-family:
    "Hiragino Sans", "Yu Gothic", "Noto Sans JP", "Segoe UI", system-ui,
    sans-serif;
  letter-spacing: 0;
}

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  align-items: center;
  backdrop-filter: blur(1rem);
  background: rgba(246, 242, 234, 0.72);
  border: 1px solid rgba(246, 242, 234, 0.62);
  border-radius: 0.5rem;
  box-shadow: 0 1rem 2.5rem rgba(7, 18, 34, 0.14);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  left: clamp(1rem, 3vw, 2.5rem);
  padding: 0.85rem;
  position: fixed;
  right: clamp(1rem, 3vw, 2.5rem);
  top: 1rem;
  z-index: 5;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 0.8rem;
  min-width: 0;
}

.brand strong,
.brand em {
  display: block;
  line-height: 1;
}

.brand strong {
  color: var(--navy);
  font-family:
    "Iowan Old Style", "Baskerville", "Times New Roman", "Hiragino Mincho ProN",
    serif;
  font-size: 1.08rem;
}

.brand em {
  color: rgba(19, 34, 57, 0.66);
  font-size: 0.78rem;
  font-style: normal;
  margin-top: 0.3rem;
}

.brand-mark {
  align-items: flex-end;
  aspect-ratio: 1;
  background: var(--navy);
  border-radius: 0.45rem;
  display: grid;
  flex: 0 0 2.4rem;
  justify-items: center;
  overflow: hidden;
  position: relative;
}

.brand-mark::before {
  background: linear-gradient(90deg, transparent, rgba(246, 242, 234, 0.9), transparent);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  content: "";
  height: 2.3rem;
  left: 0.1rem;
  opacity: 0.72;
  position: absolute;
  top: 0.25rem;
  transform: rotate(90deg);
  width: 2.3rem;
}

.brand-mark span {
  background:
    linear-gradient(var(--gold), var(--gold)) center 0.48rem / 0.48rem 0.36rem no-repeat,
    linear-gradient(var(--ivory), var(--mist));
  clip-path: polygon(35% 0, 65% 0, 75% 18%, 70% 18%, 82% 100%, 18% 100%, 30% 18%, 25% 18%);
  height: 1.95rem;
  margin-bottom: 0.18rem;
  position: relative;
  width: 1.02rem;
}

nav {
  align-items: center;
  display: flex;
  gap: clamp(0.35rem, 1vw, 1.15rem);
}

nav a {
  border-radius: 0.35rem;
  color: rgba(19, 34, 57, 0.8);
  font-size: 0.92rem;
  padding: 0.72rem 0.82rem;
  white-space: nowrap;
}

nav a:hover,
nav a:focus-visible {
  background: rgba(30, 53, 87, 0.08);
  outline: none;
}

nav .nav-cta,
.hero-actions a:first-child,
button {
  background: var(--navy);
  color: var(--ivory);
}

.hero {
  display: grid;
  isolation: isolate;
  min-height: max(42rem, 92svh);
  overflow: hidden;
  padding: clamp(7rem, 12vh, 9rem) clamp(1rem, 5vw, 5rem) clamp(1rem, 3vw, 2rem);
  position: relative;
}

.hero-media {
  background:
    linear-gradient(90deg, rgba(11, 26, 49, 0.9) 0%, rgba(11, 26, 49, 0.58) 44%, rgba(11, 26, 49, 0.18) 78%),
    linear-gradient(180deg, rgba(11, 26, 49, 0.1), rgba(11, 26, 49, 0.5)),
    url("assets/thy-lighthouse-hero.png") center / cover;
  inset: 0;
  position: absolute;
  z-index: -2;
}

.hero-media::after {
  background:
    radial-gradient(circle at 78% 24%, rgba(238, 204, 142, 0.38), transparent 17rem),
    linear-gradient(180deg, transparent 68%, rgba(246, 242, 234, 0.96));
  content: "";
  inset: 0;
  position: absolute;
}

.hero-inner {
  align-self: center;
  color: var(--ivory);
  max-width: 45rem;
  padding-bottom: clamp(3rem, 10vh, 7rem);
}

.eyebrow {
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  margin: 0 0 1rem;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family:
    "Iowan Old Style", "Baskerville", "Times New Roman", "Hiragino Mincho ProN",
    "Yu Mincho", serif;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.08;
  margin: 0;
}

h1 span,
h2 span,
h3 span {
  display: block;
}

h1 {
  font-size: clamp(2.85rem, 7vw, 7.45rem);
  max-width: 12ch;
  text-wrap: balance;
}

h2 {
  color: var(--navy);
  font-size: clamp(2rem, 4vw, 4.35rem);
  max-width: 13ch;
  text-wrap: balance;
}

h3 {
  color: var(--navy);
  font-size: clamp(1.2rem, 1.7vw, 1.72rem);
}

.hero-copy {
  color: rgba(246, 242, 234, 0.92);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.7;
  margin: 1.35rem 0 0;
  max-width: 34rem;
}

.copy-pair {
  display: grid;
  gap: 0.58rem;
}

.copy-pair p {
  margin: 0;
}

.jp-title {
  font-family:
    "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", "Iowan Old Style",
    serif;
  font-size: 0.48em;
  line-height: 1.5;
  margin-top: 0.72rem;
}

.jp-copy {
  font-family:
    "Hiragino Sans", "Yu Gothic", "Noto Sans JP", "Segoe UI", system-ui,
    sans-serif;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.hero-actions a,
button {
  border: 1px solid transparent;
  border-radius: 0.45rem;
  cursor: pointer;
  display: inline-flex;
  justify-content: center;
  min-height: 3rem;
  padding: 0.86rem 1.18rem;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    transform 180ms ease;
}

.hero-actions a:last-child {
  background: rgba(246, 242, 234, 0.12);
  border-color: rgba(246, 242, 234, 0.3);
}

.hero-actions a:hover,
button:hover,
.nav-cta:hover {
  transform: translateY(-0.08rem);
}

.hero-note {
  align-self: end;
  background: rgba(246, 242, 234, 0.9);
  border: 1px solid rgba(246, 242, 234, 0.78);
  border-radius: 0.5rem;
  box-shadow: var(--shadow);
  color: var(--ink);
  display: grid;
  gap: 0.42rem;
  justify-self: end;
  max-width: 26rem;
  padding: clamp(1rem, 2vw, 1.5rem);
}

.hero-note p {
  color: rgba(19, 34, 57, 0.72);
  line-height: 1.65;
  margin: 0;
}

.hero-note span,
.principles span,
.pillar span {
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-note strong {
  color: var(--navy);
  font-size: clamp(1rem, 1.6vw, 1.35rem);
  font-weight: 500;
  line-height: 1.6;
}

.band {
  padding: clamp(4.5rem, 9vw, 8.5rem) clamp(1rem, 5vw, 5rem);
}

.section-grid,
.vision-shell {
  display: grid;
  gap: clamp(2rem, 5vw, 6rem);
  grid-template-columns: minmax(14rem, 0.92fr) minmax(0, 1.15fr);
  margin: 0 auto;
  max-width: 88rem;
}

.section-intro {
  align-self: start;
}

.story {
  border-left: 1px solid var(--line);
  padding-left: clamp(1.2rem, 4vw, 4rem);
}

.story-lead p,
.lighthouse-copy .copy-pair p,
.contact-copy p,
.vision-lines .copy-pair p,
.pillar .copy-pair p {
  color: rgba(19, 34, 57, 0.76);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  line-height: 1.85;
  margin: 0;
}

.story-lead p {
  font-size: clamp(1.08rem, 1.9vw, 1.48rem);
  max-width: 37rem;
}

.story-origin {
  display: grid;
  gap: 0.85rem;
}

.principles {
  display: grid;
  gap: 1rem;
  margin-top: 2.25rem;
}

.principles article {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.75rem;
  grid-template-columns: minmax(6.6rem, 0.33fr) 1fr;
  padding-top: 1rem;
}

.principles h3 {
  font-size: clamp(1.15rem, 2vw, 1.9rem);
  line-height: 1.35;
}

.values-band {
  background: var(--navy);
  color: var(--ivory);
  overflow: hidden;
  padding: 1.2rem 0;
}

.values-track {
  display: flex;
  gap: clamp(1rem, 3vw, 3rem);
  justify-content: center;
  min-width: max-content;
  padding-inline: clamp(1rem, 5vw, 5rem);
}

.values-track span {
  align-items: center;
  display: inline-flex;
  font-family:
    "Iowan Old Style", "Baskerville", "Times New Roman", "Hiragino Mincho ProN",
    serif;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  gap: clamp(1rem, 3vw, 3rem);
}

.values-track span:not(:last-child)::after {
  background: var(--gold);
  border-radius: 50%;
  content: "";
  height: 0.34rem;
  width: 0.34rem;
}

.work {
  background:
    linear-gradient(135deg, rgba(216, 195, 165, 0.38), transparent 32rem),
    rgba(246, 242, 234, 0.72);
}

.work-heading {
  margin: 0 auto clamp(2rem, 4vw, 3.4rem);
  max-width: 88rem;
}

.work-heading h2 {
  max-width: 14ch;
}

.pillars {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0 auto;
  max-width: 88rem;
}

.pillar {
  background: rgba(246, 242, 234, 0.8);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  display: grid;
  gap: 1rem;
  min-height: 29rem;
  padding: clamp(1.2rem, 2vw, 1.7rem);
}

.pillar b {
  align-items: center;
  background: rgba(68, 107, 138, 0.16);
  border-radius: 50%;
  color: var(--navy);
  display: grid;
  font-size: 0.86rem;
  height: 2.35rem;
  justify-content: center;
  width: 2.35rem;
}

.pillar .copy-pair p {
  font-size: 1rem;
}

.pillar span {
  align-self: end;
  color: var(--pine);
  line-height: 1.5;
}

.lighthouse {
  background:
    linear-gradient(120deg, rgba(30, 53, 87, 0.92), rgba(68, 107, 138, 0.78)),
    url("assets/thy-lighthouse-hero.png") center 58% / cover;
  color: var(--ivory);
  display: grid;
  gap: clamp(1rem, 4vw, 4rem);
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.72fr);
  padding: clamp(4.5rem, 8vw, 8rem) clamp(1rem, 5vw, 5rem);
}

.lighthouse h2 {
  color: var(--ivory);
  max-width: 11ch;
}

.lighthouse-copy {
  display: grid;
  gap: 1.2rem;
  max-width: 46rem;
}

.lighthouse-copy .copy-pair p {
  color: rgba(246, 242, 234, 0.82);
  max-width: 34rem;
}

.lighthouse-panel {
  align-self: end;
  background: rgba(246, 242, 234, 0.92);
  border-radius: 0.5rem;
  color: var(--navy);
  display: grid;
  gap: 1rem;
  padding: clamp(1.3rem, 3vw, 2.5rem);
}

.lighthouse-panel p {
  color: var(--coral);
  font-family:
    "Hiragino Mincho ProN", "Yu Mincho", "Iowan Old Style", "Times New Roman",
    serif;
  font-size: clamp(1.35rem, 2.7vw, 2.35rem);
  line-height: 1.4;
  margin: 0;
}

.lighthouse-panel strong {
  font-family:
    "Iowan Old Style", "Baskerville", "Times New Roman", "Hiragino Mincho ProN",
    serif;
  font-size: clamp(1.15rem, 2vw, 1.75rem);
  font-weight: 500;
  line-height: 1.5;
}

.lighthouse-panel span {
  color: rgba(19, 34, 57, 0.76);
  line-height: 1.85;
}

.vision {
  background: linear-gradient(180deg, rgba(217, 222, 227, 0.75), rgba(246, 242, 234, 0.95));
}

.vision-lines {
  display: grid;
  gap: 0;
}

.vision-lines article {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(10rem, 0.48fr) 1fr;
  padding: 1.45rem 0;
}

.vision-lines h3 .jp-title,
.pillar h3 .jp-title {
  font-size: 0.72em;
  margin-top: 0.45rem;
}

.contact {
  align-items: start;
  background:
    linear-gradient(90deg, rgba(216, 195, 165, 0.52), rgba(246, 242, 234, 0.95)),
    var(--ivory);
  display: grid;
  gap: clamp(2rem, 5vw, 6rem);
  grid-template-columns: minmax(0, 0.9fr) minmax(18rem, 0.8fr);
  padding: clamp(4.5rem, 8vw, 8rem) clamp(1rem, 5vw, 5rem);
}

.contact-copy {
  max-width: 37rem;
}

.contact-copy h2 {
  margin-bottom: 1.2rem;
}

.contact-form {
  background: rgba(246, 242, 234, 0.76);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: 1rem;
  padding: clamp(1rem, 2.5vw, 2rem);
}

label {
  display: grid;
  gap: 0.48rem;
}

label span {
  color: var(--navy);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

input,
textarea {
  background: rgba(255, 253, 249, 0.86);
  border: 1px solid rgba(30, 53, 87, 0.2);
  border-radius: 0.38rem;
  color: var(--ink);
  min-width: 0;
  padding: 0.92rem;
  width: 100%;
}

textarea {
  min-height: 8.5rem;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--ocean);
  box-shadow: 0 0 0 0.22rem rgba(68, 107, 138, 0.18);
  outline: none;
}

button {
  border: 0;
  width: fit-content;
}

.form-status {
  color: var(--pine);
  line-height: 1.5;
  margin: 0;
  min-height: 1.5rem;
}

footer {
  align-items: center;
  background: var(--ink);
  color: rgba(246, 242, 234, 0.82);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem clamp(1rem, 5vw, 5rem);
}

footer span {
  color: var(--gold);
  font-family:
    "Iowan Old Style", "Baskerville", "Times New Roman", "Hiragino Mincho ProN",
    serif;
  font-size: 1.2rem;
}

footer p {
  margin: 0;
}

.motion-ready .reveal {
  opacity: 0;
  transform: translateY(1.25rem);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.motion-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  nav a:not(.nav-cta) {
    display: none;
  }

  .hero {
    min-height: 94svh;
  }

  .section-grid,
  .vision-shell,
  .lighthouse,
  .contact {
    grid-template-columns: 1fr;
  }

  .story {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 1.4rem;
  }

  .pillars {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header {
    padding: 0.72rem;
  }

  .brand-mark {
    flex-basis: 2.2rem;
  }

  nav .nav-cta {
    padding-inline: 0.75rem;
  }

  .hero {
    align-content: space-between;
    min-height: 92svh;
    padding-top: 6.7rem;
  }

  .hero-media {
    background:
      linear-gradient(180deg, rgba(11, 26, 49, 0.55), rgba(11, 26, 49, 0.76)),
      url("assets/thy-lighthouse-hero.png") 64% center / cover;
  }

  h1 {
    font-size: clamp(2.65rem, 13vw, 4.8rem);
  }

  .hero-note {
    justify-self: stretch;
  }

  .principles article,
  .vision-lines article {
    grid-template-columns: 1fr;
  }

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

  .pillar {
    min-height: 0;
  }

  .values-track {
    justify-content: start;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .values-track::-webkit-scrollbar {
    display: none;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .motion-ready .reveal {
    opacity: 1;
    transform: none;
  }
}