:root {
  --navy: #0000a0;
  --navy-dark: #000060;
  --ink: #1a1a1a;
  --gray: #555;
  --line: #d9d9e3;
  --bg-soft: #f4f5fa;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", YuGothic,
    "Noto Sans JP", Meiryo, sans-serif;
  color: var(--ink);
  line-height: 1.8;
  font-size: 16px;
}
a { color: var(--navy); }

/* header */
.site-header {
  border-bottom: 3px solid var(--navy);
  background: #fff;
}
.header-inner {
  max-width: 1024px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}
.logo { text-decoration: none; display: flex; align-items: center; gap: 10px; }
.logo-img { height: 44px; width: auto; display: block; }
.logo .mark {
  background: var(--navy); color: #fff; font-style: italic; font-weight: 700;
  font-size: 30px; line-height: 1; padding: 2px 6px 5px 6px; border-radius: 2px;
  font-family: Arial, Helvetica, sans-serif;
}
.logo .word { font-size: 30px; font-weight: 700; color: #000; font-family: Arial, Helvetica, sans-serif; letter-spacing: 0; }
.logo .corp { font-size: 13px; color: var(--gray); margin-left: 2px; }
.main-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.main-nav a {
  text-decoration: none; color: var(--ink); font-size: 15px; padding: 6px 12px; border-radius: 4px;
}
.main-nav a:hover { background: var(--bg-soft); color: var(--navy); }
.main-nav a.current { color: var(--navy); font-weight: 700; }

/* hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
}
.hero-inner { max-width: 1024px; margin: 0 auto; padding: 64px 20px 56px; }
.hero .kicker { font-size: 14px; letter-spacing: .2em; opacity: .85; margin-bottom: 14px; }
.hero h1 { font-size: 36px; line-height: 1.45; font-weight: 700; margin-bottom: 18px; }
.hero p { max-width: 720px; font-size: 17px; opacity: .95; }
.nb { display: inline-block; }
.page-title { background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.page-title-inner { max-width: 1024px; margin: 0 auto; padding: 34px 20px 26px; }
.page-title h1 { font-size: 28px; color: var(--navy-dark); }
.page-title p { color: var(--gray); margin-top: 4px; }

/* layout */
main { max-width: 1024px; margin: 0 auto; padding: 44px 20px 60px; }
section { margin-bottom: 52px; }
h2.sec {
  font-size: 23px; color: var(--navy-dark); border-left: 6px solid var(--navy);
  padding-left: 12px; margin-bottom: 20px; line-height: 1.4;
}
h3.sub { font-size: 18px; margin: 26px 0 10px; color: var(--ink); }
p + p { margin-top: 12px; }
.lead { font-size: 17px; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  border: 1px solid var(--line); border-top: 4px solid var(--navy); border-radius: 6px;
  padding: 22px 20px; background: #fff;
}
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { font-size: 15px; color: #333; }
.card a.more { display: inline-block; margin-top: 12px; font-size: 14px; text-decoration: none; }
.card a.more:hover { text-decoration: underline; }

/* chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.chip {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 16px; font-size: 15px;
}

/* lists / tables */
ul.plain { list-style: none; }
ul.plain li { padding: 10px 4px; border-bottom: 1px solid var(--line); }
ul.check { list-style: none; }
ul.check li { padding: 6px 0 6px 28px; position: relative; }
ul.check li::before { content: "✓"; position: absolute; left: 4px; color: var(--navy); font-weight: 700; }
table.info { width: 100%; border-collapse: collapse; }
table.info th, table.info td { border: 1px solid var(--line); padding: 12px 16px; text-align: left; vertical-align: top; }
table.info th { background: var(--bg-soft); width: 220px; font-weight: 700; }
table.works { width: 100%; border-collapse: collapse; }
table.works th, table.works td { border: 1px solid var(--line); padding: 12px 16px; text-align: left; vertical-align: top; }
table.works th { background: var(--navy); color: #fff; }
table.works td.client { width: 30%; font-weight: 700; }
.note { font-size: 14px; color: var(--gray); margin-top: 10px; }

/* CTA */
.cta {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px;
  padding: 28px; text-align: center;
}
.cta h2 { font-size: 21px; margin-bottom: 10px; color: var(--navy-dark); }
.cta .mail { font-size: 20px; font-weight: 700; }
.badge-img { height: 96px; width: auto; }
.profile-img { width: 220px; max-width: 45vw; border-radius: 10px; }
.profile-name { font-weight: 700; font-size: 18px; margin-bottom: 8px; }
.flex { display: flex; gap: 28px; align-items: flex-start; flex-wrap: wrap; }
.flex .grow { flex: 1; min-width: 260px; }

/* footer */
.site-footer { background: var(--navy-dark); color: #cfd2ee; }
.footer-inner { max-width: 1024px; margin: 0 auto; padding: 34px 20px 26px; font-size: 14px; }
.footer-inner .fname { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.2); margin-top: 20px; padding-top: 14px; font-size: 13px; color: #9aa0c8; }

@media (max-width: 720px) {
  .hero h1 { font-size: 27px; }
  .hero-inner { padding: 44px 20px 40px; }
  .cards { grid-template-columns: 1fr; }
  table.info th { width: 130px; }
  .logo .word, .logo .mark { font-size: 24px; }
}