@charset "UTF-8";

/* ------------------------------------------------------------------
   マエダデジタル - 共通スタイル
   方針: 実直・事務所然。写真は使わず、文字と表で情報を伝える。
   ------------------------------------------------------------------ */

:root {
  --ink: #1a1a1a;
  --ink-sub: #555;
  --ink-weak: #767676;
  --accent: #17406b;
  --accent-weak: #eaf0f6;
  --line: #d8d8d8;
  --line-soft: #ececec;
  --bg: #fff;
  --bg-soft: #f7f7f5;
  --warn-bg: #fdf6e8;
  --warn-line: #e0c68a;
  --measure: 44rem;
  --wide: 62rem;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic Medium", "Yu Gothic",
    "Noto Sans JP", "Meiryo", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.85;
  font-feature-settings: "palt" 1;
}

/* ---------- レイアウト ---------- */

.wrap { width: min(100% - 2.5rem, var(--wide)); margin-inline: auto; }
.narrow { width: min(100%, var(--measure)); }

section { padding-block: 3.5rem; border-top: 1px solid var(--line-soft); }
section:first-of-type { border-top: 0; }

/* ---------- ヘッダー / ナビ ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  padding-block: 1rem;
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  align-items: baseline;
  justify-content: space-between;
}
.brand {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  color: var(--ink);
}
.brand span { display: block; font-size: .75rem; font-weight: 400; color: var(--ink-weak); letter-spacing: 0; }

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .9375rem;
}
.site-nav a { color: var(--ink-sub); text-decoration: none; padding-block: .25rem; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--accent); text-decoration: underline; }
.site-nav a[aria-current="page"] { color: var(--ink); font-weight: 700; }

/* ---------- 見出し ---------- */

h1, h2, h3 { line-height: 1.5; letter-spacing: .01em; }

.hero { padding-block: 3.5rem 3rem; }
.hero h1 {
  font-size: clamp(1.5rem, 1.15rem + 1.6vw, 2.125rem);
  margin: 0 0 1.25rem;
}
.hero p { font-size: 1.0625rem; margin: 0 0 1rem; max-width: var(--measure); }
.hero .lede { color: var(--ink-sub); }

h2 {
  font-size: clamp(1.1875rem, 1.05rem + .6vw, 1.4375rem);
  margin: 0 0 1.25rem;
  padding-left: .75rem;
  border-left: 4px solid var(--accent);
}
h3 { font-size: 1.0625rem; margin: 2rem 0 .5rem; }

p, ul, ol { max-width: var(--measure); }
p { margin: 0 0 1rem; }

a { color: var(--accent); }

/* ---------- 数値の強調 ---------- */

.stats {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  max-width: none;
}
.stats li {
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  padding: 1rem 1.125rem;
  background: var(--bg-soft);
}
.stats b {
  display: block;
  font-size: 1.75rem;
  line-height: 1.3;
  color: var(--accent);
  letter-spacing: .01em;
}
.stats span { font-size: .9375rem; color: var(--ink-sub); }

/* ---------- 表 ---------- */

.table-scroll { overflow-x: auto; margin-block: 1.25rem; }

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 34rem;
  font-size: .9375rem;
}
caption {
  text-align: left;
  font-size: .875rem;
  color: var(--ink-weak);
  padding-bottom: .5rem;
}
th, td {
  border: 1px solid var(--line);
  padding: .625rem .75rem;
  text-align: left;
  vertical-align: top;
}
thead th { background: var(--accent-weak); font-weight: 700; white-space: nowrap; }
tbody th { background: var(--bg-soft); font-weight: 400; }
td.num { text-align: right; white-space: nowrap; }
.plan-main th, .plan-main td { background: #fffdf3; }

/* ---------- 事例カード ---------- */

.cases { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); padding: 0; list-style: none; max-width: none; }
.case {
  border: 1px solid var(--line);
  padding: 1.25rem;
}
.case h3 { margin-top: 0; font-size: 1rem; }
.case dl { margin: 0; font-size: .9375rem; }
.case dt { font-weight: 700; color: var(--accent); margin-top: .75rem; font-size: .875rem; letter-spacing: .04em; }
.case dd { margin: .125rem 0 0; }

/* ---------- 手順 ---------- */

.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 2.75rem;
  margin-bottom: 1.25rem;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: .25rem;
  width: 1.875rem; height: 1.875rem;
  display: grid; place-items: center;
  background: var(--accent); color: #fff;
  font-size: .875rem; font-weight: 700;
  border-radius: 50%;
}
.steps b { display: block; }

/* ---------- 注記・除外 ---------- */

.note {
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  padding: 1rem 1.25rem;
  margin-block: 1.5rem;
  font-size: .9375rem;
}
.note > :last-child { margin-bottom: 0; }
.note strong { color: #8a5a00; }

.exclude { background: var(--bg-soft); padding: 1.25rem 1.5rem; border: 1px solid var(--line-soft); }
.exclude ul { margin-bottom: 0; }

/* ---------- CTA ---------- */

.cta {
  background: var(--accent);
  color: #fff;
  padding: 2rem 1.75rem;
  margin-block: 2rem;
}
.cta h2 { color: #fff; border-left-color: #fff; margin-bottom: .75rem; }
.cta p { color: #e6edf4; }
.cta a { color: #fff; }

.btn {
  display: inline-block;
  background: #fff;
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
  padding: .75rem 1.5rem;
  border: 2px solid #fff;
  margin-top: .5rem;
}
.btn:hover, .btn:focus-visible { background: transparent; color: #fff; }

.mail {
  font-size: 1.125rem;
  font-weight: 700;
  word-break: break-all;
}

/* ---------- フッター ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 3rem;
  padding-block: 2rem 2.5rem;
  font-size: .875rem;
  color: var(--ink-sub);
}
.site-footer ul { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; list-style: none; padding: 0; margin: 0 0 1rem; }
.site-footer a { color: var(--ink-sub); }

/* ---------- 補助 ---------- */

.small { font-size: .875rem; color: var(--ink-weak); }
.todo {
  background: #ffe9e9;
  border: 1px dashed #c00;
  color: #8a0000;
  padding: .125rem .375rem;
  font-weight: 700;
}

.skip-link {
  position: absolute; left: -9999px;
}
.skip-link:focus {
  left: .5rem; top: .5rem; z-index: 10;
  background: var(--accent); color: #fff; padding: .5rem 1rem;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}