:root {
  color-scheme: light;
  --ink: #182a2b;
  --muted: #607172;
  --line: #d9e2df;
  --paper: #f4f6f5;
  --accent: #16756d;
  font-family: "DM Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--paper);
  color: var(--ink);
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  line-height: 1.8;
}

a { color: var(--accent); text-underline-offset: 0.22em; }
a:hover { color: #0e514c; }
a:focus-visible { outline: 3px solid #4ba99a; outline-offset: 4px; border-radius: 2px; }

.wrap { width: min(100% - 48px, 1080px); margin-inline: auto; }

.site-header { border-bottom: 1px solid var(--line); background: rgb(255 255 255 / 78%); }
.header-inner, .footer-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); font-weight: 650; font-size: 0.95rem; text-decoration: none; letter-spacing: -0.02em; }
.brand-mark { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 10px; background: var(--ink); color: #fff; font-family: Georgia, serif; font-size: 1.2rem; font-weight: 400; }
.brand-muted { color: var(--muted); font-weight: 450; }
.site-nav a, .footer-inner a { color: var(--muted); font-size: 0.88rem; text-decoration: none; }
.site-nav a:hover, .footer-inner a:hover { color: var(--accent); }

.home { flex: 1; }
.intro { max-width: 720px; padding: clamp(72px, 11vw, 132px) 0 clamp(76px, 9vw, 112px); }
h1, h2, p { margin-top: 0; }
h1 { max-width: 680px; margin-bottom: 28px; font-size: clamp(2.7rem, 7.5vw, 5.4rem); font-weight: 560; line-height: 1.08; letter-spacing: -0.065em; }
.lead { max-width: 650px; margin-bottom: 14px; font-size: clamp(1.15rem, 2vw, 1.42rem); line-height: 1.75; }
.summary { max-width: 600px; margin-bottom: 27px; color: var(--muted); font-size: 0.97rem; }
.text-link { display: inline-flex; align-items: center; gap: 10px; font-size: 0.94rem; font-weight: 650; }

.services { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(32px, 8vw, 104px); padding: 40px 0 56px; border-top: 1px solid var(--line); }
.section-heading h2 { margin-bottom: 10px; font-size: 1.7rem; font-weight: 570; letter-spacing: -0.04em; }
.section-heading > p:last-child { max-width: 315px; color: var(--muted); font-size: 0.9rem; }
.service-list { margin: 0; padding: 0; list-style: none; }
.service-list li { display: grid; grid-template-columns: minmax(135px, 0.85fr) 1.15fr; align-items: baseline; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.service-name { font-size: 0.94rem; font-weight: 650; }
.service-detail { color: var(--muted); font-size: 0.83rem; }

.policy { flex: 1; padding-block: clamp(54px, 8vw, 94px) 100px; }
.policy article { max-width: 760px; }
.policy h1 { margin-bottom: 12px; font-size: clamp(2.1rem, 5vw, 3.35rem); line-height: 1.22; }
.policy article > p, .policy li { color: #3f5353; font-size: 0.96rem; }
.policy h2 { margin: 42px 0 14px; font-size: 1.24rem; font-weight: 650; letter-spacing: -0.025em; }
.policy ul { padding-left: 1.35em; }
.policy li { padding-left: 0.2em; margin-block: 6px; }

.site-footer { margin-top: auto; border-top: 1px solid var(--line); background: rgb(255 255 255 / 58%); }
.footer-inner { min-height: 68px; color: var(--muted); font-size: 0.8rem; }

@media (max-width: 720px) {
  .wrap { width: min(100% - 36px, 580px); }
  .header-inner { min-height: 68px; gap: 12px; }
  .brand { gap: 9px; font-size: 0.8rem; }
  .brand-mark { width: 31px; height: 31px; }
  .site-nav a { font-size: 0.77rem; }
  .intro { padding-top: 74px; padding-bottom: 72px; }
  .services { grid-template-columns: 1fr; gap: 18px; padding-top: 31px; }
  .section-heading > p:last-child { max-width: 440px; }
  .service-list li { grid-template-columns: minmax(115px, 0.78fr) 1.22fr; gap: 9px; }
  .service-name { font-size: 0.86rem; }
  .service-detail { font-size: 0.78rem; }
  .policy { padding-top: 60px; }
}

@media (max-width: 390px) {
  .wrap { width: calc(100% - 28px); }
  .brand-muted { display: none; }
  .service-list li { grid-template-columns: 1fr; gap: 2px; }
  .footer-inner { gap: 12px; font-size: 0.72rem; }
}