/* 鹿乃見合同会社 サイト共通スタイル
   - 外部フォント・外部スクリプトは読み込まない（第三者への通信を発生させないため）
   - 色はロゴの紺・水色・紫から取る */
:root {
  --navy: #1d2e45;
  --navy-2: #2b405e;
  --text: #1d2e45;
  --muted: #4a5a70;
  --accent: #0b6e85;      /* リンク色：白背景でコントラスト比 4.5:1 以上 */
  --accent-soft: #e3f6fa;
  --violet-soft: #efecfb;
  --line: #d9e1ea;
  --bg: #ffffff;
  --bg-alt: #f5f8fb;
  --radius: 12px;
  --max: 960px;
  color-scheme: light;
}

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

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Noto Sans CJK JP", "Yu Gothic", "YuGothic", Meiryo, system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.85;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: 8px; top: -48px; z-index: 100;
  background: var(--navy); color: #fff; padding: 8px 14px; border-radius: 6px;
}
.skip-link:focus { top: 8px; }

.container { width: min(100% - 32px, var(--max)); margin-inline: auto; }

/* ヘッダー */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px 24px; flex-wrap: wrap; padding-block: 10px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--navy); text-decoration: none; }
.brand img { width: 48px; height: 48px; }
.brand-name { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name strong { font-size: 1.05rem; letter-spacing: 0.06em; }
.brand-name span { font-size: 0.72rem; letter-spacing: 0.14em; color: var(--muted); font-weight: 600; }

.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 2px; }
.site-nav a {
  display: inline-block; padding: 8px 10px; min-height: 44px; line-height: 28px;
  color: var(--navy); text-decoration: none; font-size: 0.92rem; border-radius: 8px;
}
.site-nav a:hover { background: var(--bg-alt); }
.site-nav a[aria-current="page"] { font-weight: 700; text-decoration: underline; text-underline-offset: 0.35em; }

/* ヒーロー */
.hero {
  background: linear-gradient(135deg, var(--accent-soft) 0%, #ffffff 55%, var(--violet-soft) 100%);
  border-bottom: 1px solid var(--line);
}
.hero .container { padding-block: clamp(48px, 9vw, 96px); }
.hero .eyebrow { margin: 0 0 8px; font-size: 0.85rem; letter-spacing: 0.18em; color: var(--muted); font-weight: 600; }
.hero h1 { margin: 0 0 16px; font-size: clamp(1.6rem, 4.6vw, 2.4rem); line-height: 1.45; letter-spacing: 0.04em; }
.hero p { margin: 0; max-width: 40em; color: var(--muted); }

/* セクション */
.section { padding-block: clamp(48px, 8vw, 80px); }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
.section h2 {
  margin: 0 0 8px; font-size: clamp(1.35rem, 3.4vw, 1.7rem); letter-spacing: 0.06em;
}
.section h2 .en {
  display: block; font-size: 0.75rem; letter-spacing: 0.2em; color: var(--muted); font-weight: 600;
}
.section .lead { margin: 0 0 28px; color: var(--muted); }

.cards { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
}
.card h3 { margin: 0 0 8px; font-size: 1.12rem; }
.card p { margin: 0; color: var(--muted); }
.card ul { margin: 12px 0 0; padding-left: 1.2em; color: var(--muted); }

/* アプリ紹介 */
.app { display: grid; gap: 24px; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 720px) { .app { grid-template-columns: 200px 1fr; } }
.app-visual {
  width: 160px; height: 160px; border-radius: 50%; margin-inline: auto;
  background: conic-gradient(#ffb74d 0 30deg, #81c784 30deg 140deg, #64b5f6 140deg 200deg, #ba68c8 200deg 250deg, #ffd54f 250deg 290deg, #4db6ac 290deg 330deg, #9fa8da 330deg 360deg);
  position: relative; border: 6px solid #fff; box-shadow: 0 0 0 1px var(--line);
}
.app-visual::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 6px; height: 54px;
  background: var(--navy); border-radius: 3px; transform-origin: 50% 100%;
  transform: translate(-50%, -100%) rotate(120deg);
}
.app-visual::before {
  content: ""; position: absolute; left: 50%; top: 50%; width: 16px; height: 16px;
  margin: -8px 0 0 -8px; border-radius: 50%; background: var(--navy); z-index: 1;
}
.app h3 { margin: 0 0 4px; font-size: 1.3rem; }
.badge {
  display: inline-block; margin-left: 8px; padding: 2px 10px; border-radius: 999px; vertical-align: 0.15em;
  background: var(--navy); color: #fff; font-size: 0.75rem; letter-spacing: 0.08em; font-weight: 600;
}
.app .note { font-size: 0.85rem; color: var(--muted); margin-top: 12px; }

/* 会社概要 */
.company { display: grid; gap: 28px; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 720px) { .company { grid-template-columns: 1fr 200px; } }
.company-logo { width: 180px; height: auto; margin-inline: auto; }
.info { margin: 0; border-top: 1px solid var(--line); }
.info div { display: grid; grid-template-columns: 1fr; gap: 2px; padding: 14px 4px; border-bottom: 1px solid var(--line); }
@media (min-width: 560px) { .info div { grid-template-columns: 11em 1fr; gap: 16px; } }
.info dt { font-weight: 700; color: var(--navy); }
.info dd { margin: 0; }
.info ul { margin: 0; padding-left: 1.2em; }

/* お問い合わせ */
.contact-box {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; text-align: center;
}
.contact-box .mail {
  display: inline-block; margin: 8px 0 12px; font-size: clamp(1.15rem, 4vw, 1.4rem); font-weight: 700; letter-spacing: 0.04em;
}
.contact-box p { margin: 0; color: var(--muted); }

/* 本文ページ（プライバシーポリシー） */
.doc { padding-block: clamp(40px, 7vw, 72px); }
.doc .container { max-width: 800px; }
.doc h1 { font-size: clamp(1.5rem, 4vw, 2rem); margin: 0 0 8px; letter-spacing: 0.05em; }
.doc h2 { font-size: 1.2rem; margin: 40px 0 8px; padding-left: 12px; border-left: 4px solid var(--accent); }
.doc h3 { font-size: 1.02rem; margin: 24px 0 4px; }
.doc p, .doc li { color: var(--text); }
.doc ul, .doc ol { padding-left: 1.4em; }
.doc .meta { color: var(--muted); font-size: 0.9rem; margin: 0 0 24px; }
.doc .contact-table { margin-top: 8px; }

/* フッター */
.site-footer { background: var(--navy); color: #e8eef5; padding-block: 32px; font-size: 0.9rem; }
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center; }
.site-footer a { color: #ffffff; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 20px; }
.site-footer small { font-size: 0.85rem; letter-spacing: 0.06em; }

@media (max-width: 559px) {
  /* スマホではナビが2行になるため、ヘッダーを固定せず本文の表示領域を確保する */
  .site-header { position: static; }
  html { scroll-padding-top: 0; }
  .site-nav { width: 100%; }
  .site-nav ul { gap: 0; }
  .site-nav a { padding: 8px 8px; font-size: 0.88rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
@media print {
  .site-header { position: static; }
  .skip-link, .site-nav { display: none; }
}