:root {
  --blue: #1268a8;
  --deep: #083b66;
  --sky: #e8f4fb;
  --mint: #dff5f1;
  --text: #203040;
  --muted: #637487;
  --line: #dce7ef;
  --bg: #f7fbfd;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(8, 59, 102, 0.14);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
  background: var(--white);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 250px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue), #22a6b3);
  border-radius: 50%;
}
.brand strong { display: block; font-size: 18px; line-height: 1.2; }
.brand small { display: block; color: var(--muted); font-size: 12px; line-height: 1.3; }
.site-nav { display: flex; align-items: center; gap: 4px; font-size: 15px; font-weight: 700; }
.site-nav a { padding: 10px 12px; border-radius: 6px; }
.site-nav a:hover { background: var(--sky); color: var(--deep); }
.nav-cta { color: #fff !important; background: var(--blue); }
.nav-toggle { display: none; border: 1px solid var(--line); background: #fff; border-radius: 6px; padding: 8px 11px; font-size: 22px; }

.hero {
  position: relative;
  min-height: 640px;
  display: grid;
  align-items: center;
  padding: clamp(56px, 8vw, 120px) clamp(18px, 5vw, 72px);
  overflow: hidden;
}
.hero-media { position: absolute; inset: 0; z-index: -2; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(5,33,55,.88), rgba(5,33,55,.58) 45%, rgba(5,33,55,.16));
}
.hero-content { max-width: 780px; color: #fff; }
.eyebrow {
  margin: 0 0 12px;
  color: #0d7bbd;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}
.hero .eyebrow, .cta-band .eyebrow { color: #b9edf5; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 0 0 20px; font-size: clamp(34px, 5vw, 62px); line-height: 1.18; letter-spacing: 0; }
h2 { margin: 0 0 16px; font-size: clamp(25px, 3vw, 38px); line-height: 1.35; letter-spacing: 0; }
h3 { margin: 0 0 8px; font-size: 20px; line-height: 1.45; letter-spacing: 0; }
.hero p { max-width: 680px; font-size: 19px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border: 0;
  border-radius: 6px;
  font-weight: 800;
  cursor: pointer;
}
.button.primary { color: #fff; background: var(--blue); box-shadow: var(--shadow); }
.button.secondary { color: var(--deep); background: #fff; }

.notice-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
  padding: 18px clamp(18px, 5vw, 72px);
  color: var(--deep);
  background: var(--mint);
}
.notice-strip span { font-weight: 800; color: var(--blue); }

.section { padding: clamp(56px, 8vw, 96px) clamp(18px, 5vw, 72px); }
.soft-bg { background: var(--bg); }
.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: clamp(30px, 5vw, 64px);
  align-items: center;
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}
.section-head h2 { margin-bottom: 0; }
.text-link { color: var(--blue); font-weight: 800; border-bottom: 2px solid currentColor; }

.feature-list { display: grid; gap: 16px; }
.feature-list article, .plain-card, .news-card {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(8, 59, 102, 0.07);
}
.feature-list span, .service-stack span {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--blue);
  font-weight: 900;
}
.card-grid { display: grid; gap: 22px; }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.image-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(8, 59, 102, 0.08);
}
.image-card img { width: 100%; height: 220px; object-fit: cover; }
.image-card div { padding: 22px; }
.rounded-img { width: 100%; border-radius: 8px; box-shadow: var(--shadow); aspect-ratio: 4 / 3; object-fit: cover; }

.news-list {
  display: grid;
  border-top: 1px solid var(--line);
}
.news-list a {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.news-list time, .news-card time { color: var(--blue); font-weight: 800; }

.cta-band {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  margin: 0 clamp(18px, 5vw, 72px) clamp(56px, 8vw, 96px);
  padding: clamp(34px, 5vw, 54px);
  color: #fff;
  background: linear-gradient(135deg, var(--deep), var(--blue));
  border-radius: 8px;
}
.cta-band p { max-width: 720px; }

.page-hero {
  position: relative;
  display: grid;
  align-items: end;
  min-height: 390px;
  padding: clamp(54px, 8vw, 90px) clamp(18px, 5vw, 72px);
  color: #fff;
  overflow: hidden;
}
.page-hero img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; }
.page-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(5,33,55,.84), rgba(5,33,55,.34)); }
.page-hero div { max-width: 760px; }
.page-title {
  padding: clamp(54px, 8vw, 92px) clamp(18px, 5vw, 72px);
  background: linear-gradient(180deg, var(--sky), #fff);
}
.page-title h1 { color: var(--deep); }

.info-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.info-table th, .info-table td {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.info-table th { width: 180px; color: var(--deep); background: #f0f8fc; }
.map-placeholder {
  display: grid;
  place-items: center;
  min-height: 300px;
  color: var(--muted);
  font-weight: 800;
  background: repeating-linear-gradient(45deg, #edf6fb, #edf6fb 12px, #e4eff6 12px, #e4eff6 24px);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.service-stack { display: grid; gap: 24px; }
.service-stack article {
  display: grid;
  grid-template-columns: 330px 1fr;
  gap: 28px;
  align-items: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.service-stack img { width: 100%; height: 240px; object-fit: cover; border-radius: 6px; }

.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.case-grid article { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; }
.case-grid img { width: 100%; height: 230px; object-fit: cover; }
.case-grid h2, .case-grid p, .case-grid ul { margin-left: 22px; margin-right: 22px; }
.case-grid h2 { margin-top: 22px; font-size: 23px; }
.case-grid ul { padding-left: 20px; margin-bottom: 24px; color: var(--muted); }

.news-layout { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.news-card h2 { font-size: 24px; margin-top: 6px; }

.contact-grid { display: grid; grid-template-columns: 360px 1fr; gap: 32px; align-items: start; }
.contact-panel { padding: 28px; background: var(--sky); border-radius: 8px; }
.tel { margin: 8px 0; color: var(--blue); font-size: 32px; font-weight: 900; line-height: 1.2; }
.note, .form-note { color: var(--muted); font-size: 14px; }
.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.contact-form label { display: grid; gap: 7px; font-weight: 800; }
input, select, textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid #b8c9d7;
  border-radius: 6px;
  font: inherit;
  background: #fff;
}
textarea { resize: vertical; }
.readable { max-width: 900px; }
.readable h2 { margin-top: 26px; font-size: 24px; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 36px clamp(18px, 5vw, 72px);
  color: #dbeaf5;
  background: #092f4f;
}
.site-footer p { margin: 8px 0 0; color: #b8ccda; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 14px; align-content: start; }
.site-footer a { color: #fff; font-weight: 700; }

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 75px;
    left: 0;
    right: 0;
    display: none;
    padding: 12px 18px 18px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .site-nav.is-open { display: grid; }
  .site-nav a { padding: 12px; }
  .two-column, .service-stack article, .contact-grid { grid-template-columns: 1fr; }
  .card-grid.three, .case-grid, .news-layout { grid-template-columns: 1fr; }
  .hero { min-height: 560px; }
  .hero::after { background: rgba(5,33,55,.72); }
  .hero p { font-size: 17px; }
  .section-head, .cta-band, .site-footer { align-items: flex-start; flex-direction: column; }
  .news-list a { grid-template-columns: 1fr; gap: 4px; }
}

@media (max-width: 560px) {
  .brand { min-width: 0; }
  .brand strong { font-size: 15px; }
  .brand small { font-size: 11px; }
  .brand-mark { width: 38px; height: 38px; }
  h1 { font-size: 34px; }
  .hero-actions .button { width: 100%; }
  .info-table th, .info-table td { display: block; width: 100%; }
  .image-card img, .case-grid img, .service-stack img { height: 210px; }
  .tel { font-size: 26px; }
}
