:root {
  --ink: #f7fbfb;
  --deep: #062d34;
  --deep-2: #0b4d56;
  --muted: #d7eeee;
  --line: rgba(255,255,255,.28);
  --paper: #f6fbfa;
  --paper-ink: #12333a;
  --paper-muted: #55727a;
  --accent: #79d7cf;
  --shadow: 0 24px 80px rgba(0,0,0,.22);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  color: var(--paper-ink);
  background: var(--paper);
  line-height: 1.8;
  letter-spacing: .04em;
}
a {
  color: inherit;
}
.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}
.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  width: 100%;
  color: var(--ink);
  background: linear-gradient(to bottom, rgba(0,35,42,.42), rgba(0,35,42,0));
}
.header-inner {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-main {
  font-size: clamp(28px, 4vw, 46px);
  letter-spacing: .03em;
}
.brand-sub {
  margin-top: 8px;
  font-size: 14px;
  letter-spacing: .12em;
}
.site-nav {
  display: flex;
  gap: clamp(18px, 3vw, 42px);
  align-items: center;
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  font-size: 15px;
  letter-spacing: .1em;
}
.site-nav a {
  text-decoration: none;
  padding: 10px 0;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover {
  border-color: rgba(255,255,255,.85);
}
.hero {
  min-height: 100svh;
  position: relative;
  display: flex;
  align-items: center;
  color: var(--ink);
  background: linear-gradient(110deg, rgba(0,79,89,.38), rgba(0,43,51,.12)), url("../images/hero-underwater.png") center / cover no-repeat;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 28% 20%, rgba(255,255,255,.18), transparent 28%),
    linear-gradient(90deg, rgba(0,39,48,.48), rgba(0,39,48,.12) 52%, rgba(0,39,48,.18));
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 88px;
}
.eyebrow,
.label {
  margin: 0 0 14px;
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: .86;
}
.hero h1 {
  margin: 0;
  font-weight: 400;
  font-size: clamp(21px, 3.4vw, 39px);
  line-height: 1.7;
  letter-spacing: .12em;
  text-shadow: 0 4px 28px rgba(0,0,0,.28);
}
.hero h1 span {
  display: block;
}

.scroll-cue {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 34px;
  width: 38px;
  height: 38px;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  opacity: .86;
}
.scroll-cue span {
  width: 14px;
  height: 14px;
  border-right: 1.5px solid rgba(255,255,255,.88);
  border-bottom: 1.5px solid rgba(255,255,255,.88);
  transform: rotate(45deg);
  animation: scrollCue 1.9s ease-in-out infinite;
}
.scroll-cue:hover {
  opacity: 1;
}
@keyframes scrollCue {
  0%, 100% {
    transform: translateY(-3px) rotate(45deg);
  }
  50% {
    transform: translateY(5px) rotate(45deg);
  }
}
.hero-lead {
  max-width: 720px;
  margin: 28px 0 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  font-size: clamp(15px, 2vw, 18px);
  color: var(--muted);
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  min-height: 48px;
  padding: 11px 22px;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 999px;
  text-decoration: none;
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  letter-spacing: .08em;
}
.button.primary {
  background: rgba(255,255,255,.92);
  color: var(--deep);
  border-color: rgba(255,255,255,.92);
}
.button.secondary {
  color: var(--ink);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
}
.section {
  padding: clamp(64px, 8vw, 112px) 0;
}
.two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.card,
.wide-card,
.contact-box {
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(9,72,82,.14);
  border-radius: 24px;
  padding: clamp(24px, 4vw, 42px);
  box-shadow: 0 20px 60px rgba(10,53,60,.08);
}
.card h2,
.wide-card h2,
.contact-box h2 {
  margin: 0 0 14px;
  font-weight: 400;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.45;
}
.card p:last-child,
.wide-card p:last-child,
.contact-box p:last-child {
  margin-bottom: 0;
}
.business-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.business-grid article {
  padding: 28px;
  border-left: 1px solid rgba(9,72,82,.22);
}
.business-grid h3 {
  margin: 0 0 12px;
  font-size: 20px;
  color: var(--deep-2);
}
.business-grid p {
  margin: 0;
  color: var(--paper-muted);
}
.page-hero {
  padding: 152px 0 70px;
  color: var(--ink);
  background:
    linear-gradient(120deg, rgba(0,49,57,.88), rgba(0,105,112,.62)),
    url("../images/hero-underwater.png") center 38% / cover no-repeat;
}
.page-hero h1 {
  margin: 0 0 12px;
  font-weight: 400;
  font-size: clamp(36px, 5vw, 58px);
  letter-spacing: .1em;
}
.page-hero p:last-child {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
}
.narrow {
  max-width: 860px;
}
.company-table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255,255,255,.76);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(10,53,60,.08);
}
.company-table th,
.company-table td {
  padding: 20px 22px;
  text-align: left;
  border-bottom: 1px solid rgba(9,72,82,.12);
  vertical-align: top;
}
.company-table th {
  width: 30%;
  color: var(--deep-2);
  font-weight: 500;
  background: rgba(121,215,207,.12);
}
.company-table tr:last-child th,
.company-table tr:last-child td {
  border-bottom: 0;
}
.note {
  margin-top: 18px;
  color: var(--paper-muted);
  font-size: 14px;
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
}
.business-list {
  display: grid;
  gap: 22px;
}
.policy h2 {
  margin-top: 34px;
  margin-bottom: 8px;
  font-size: 22px;
  color: var(--deep-2);
}
.policy h2:first-child {
  margin-top: 0;
}
.site-footer {
  color: var(--muted);
  background: var(--deep);
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
}
.footer-inner {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  text-align: center;
}
.footer-inner p {
  margin: 0;
}
@media (max-width: 820px) {
  .container {
    width: min(100% - 28px, 1120px);
  }
  .site-header {
    position: absolute;
    background: linear-gradient(to bottom, rgba(0,35,42,.54), rgba(0,35,42,0));
  }
  .header-inner {
    min-height: 76px;
    align-items: flex-start;
    padding-top: 18px;
    flex-direction: column;
    gap: 14px;
  }
  .brand-main {
    font-size: 32px;
  }
  .brand-sub {
    font-size: 12px;
  }
  .site-nav {
    width: 100%;
    gap: 0;
    justify-content: space-between;
    overflow-x: auto;
    white-space: nowrap;
    font-size: 12px;
    padding-bottom: 6px;
  }
  .site-nav a {
    margin-right: 18px;
  }
  .hero {
    min-height: 100svh;
    background-position: center center;
  }
  .hero-content {
    padding-top: 142px;
    padding-bottom: 48px;
  }
  .hero h1 {
    font-size: clamp(18px, 5.4vw, 28px);
    line-height: 1.7;
    letter-spacing: .08em;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-lead {
    font-size: 14px;
  }
  .two-col,
  .business-grid {
    grid-template-columns: 1fr;
  }
  .business-grid article {
    border-left: 0;
    border-top: 1px solid rgba(9,72,82,.18);
    padding: 22px 0 0;
  }
  .page-hero {
    padding-top: 170px;
  }
  .company-table,
  .company-table tbody,
  .company-table tr,
  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
  }
  .company-table th {
    padding-bottom: 6px;
  }
  .company-table td {
    padding-top: 8px;
  }
  .footer-inner {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 26px 0;
    text-align: center;
  }
  .scroll-cue {
    bottom: 22px;
  }

}