/* 中居行政書士事務所 リニューアル案 — 外部ライブラリ・Webフォント不使用（表示が速く、費用もかからない） */
:root {
  --primary: #1f3a5f;
  --primary-dark: #162b47;
  --accent: #a67c3d;
  --bg: #faf8f3;
  --card: #ffffff;
  --ink: #26303b;
  --muted: #5d6773;
  --line: #e4ddd0;
  --tint: #eef2f7;
  --radius: 14px;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", "MS PMincho", serif;
  --sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", "Meiryo", sans-serif;
}
:root[data-theme="green"] {
  --primary: #2c5a4c;
  --primary-dark: #204339;
  --accent: #b5812f;
  --bg: #f7f7f1;
  --tint: #edf3ef;
  --line: #dfe3d6;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.85;
  -webkit-text-size-adjust: 100%;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); }
.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(250, 248, 243, .94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 20px; min-height: 68px; }
.brand { font-family: var(--serif); font-size: 1.25rem; font-weight: 700; color: var(--primary); text-decoration: none; letter-spacing: .04em; margin-right: auto; line-height: 1.3; }
.brand small { display: block; font-family: var(--sans); font-size: .72rem; font-weight: 400; color: var(--muted); letter-spacing: .08em; }
.nav { display: flex; gap: 22px; }
.nav a { color: var(--ink); text-decoration: none; font-size: .95rem; padding: 6px 2px; border-bottom: 2px solid transparent; }
.nav a:hover { border-color: var(--accent); }
.site-header .head-tel { display: none; }
.menu { display: none; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; padding: 10px 26px; border-radius: 999px; border: 2px solid var(--primary);
  background: var(--primary); color: #fff; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer;
  transition: background .15s, transform .15s;
}
.btn:hover { background: var(--primary-dark); }
.btn:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--primary); }
.btn.ghost:hover { background: var(--tint); }
.btn.on-dark { background: #fff; color: var(--primary); border-color: #fff; }
.btn.on-dark:hover { background: var(--tint); }
.btn.on-dark.ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .7); }
.btn.on-dark.ghost:hover { background: rgba(255, 255, 255, .12); }
.btn[disabled] { opacity: .6; cursor: default; }

/* ---------- ヒーロー ---------- */
.hero { background: var(--primary); color: #fff; position: relative; overflow: hidden; }
.hero::after {
  content: ""; position: absolute; inset: auto -80px -120px auto; width: 380px; height: 380px; border-radius: 50%;
  border: 56px solid rgba(255, 255, 255, .05);
}
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; padding: 72px 0 80px; position: relative; z-index: 1; }
.eyebrow { font-size: .85rem; letter-spacing: .22em; color: #e8d3a8; margin: 0 0 14px; }
.hero h1 { font-family: var(--serif); font-size: clamp(1.65rem, 4vw, 2.5rem); line-height: 1.55; margin: 0 0 20px; font-weight: 700; letter-spacing: .02em; word-break: auto-phrase; text-wrap: balance; }
.hero p.lead { margin: 0 0 30px; color: #e5ebf3; max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-photo { margin: 0; }
.hero-photo img { border-radius: var(--radius); box-shadow: 0 18px 40px rgba(0, 0, 0, .28); aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.hero-photo figcaption { font-size: .8rem; color: #cfd9e6; margin-top: 8px; }

/* ---------- 3つの特長 ---------- */
.points { margin-top: -34px; position: relative; z-index: 2; }
.points ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.points li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; box-shadow: 0 8px 22px rgba(31, 58, 95, .08); }
.points b { display: block; font-family: var(--serif); color: var(--primary); font-size: 1.1rem; margin-bottom: 2px; }
.points span { font-size: .93rem; color: var(--muted); line-height: 1.7; display: block; }

/* ---------- セクション共通 ---------- */
section.block { padding: 84px 0 0; }
.sec-head { margin-bottom: 30px; }
.sec-head .en { font-size: .78rem; letter-spacing: .26em; color: var(--accent); margin: 0; }
.sec-head h2 { font-family: var(--serif); color: var(--primary); font-size: clamp(1.5rem, 3.2vw, 2rem); margin: 4px 0 0; line-height: 1.5; }
.sec-head h2::after { content: ""; display: block; width: 44px; height: 3px; background: var(--accent); margin-top: 12px; border-radius: 3px; }

/* ---------- 事務所紹介 ---------- */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.about p { margin: 0 0 1em; }
.about .quote { font-family: var(--serif); font-size: 1.2rem; color: var(--primary); line-height: 1.9; border-left: 4px solid var(--accent); padding-left: 18px; }

/* ---------- 取扱業務 ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 24px 22px; }
.card h3 { font-family: var(--serif); font-size: 1.15rem; color: var(--primary); margin: 0 0 10px; display: flex; align-items: center; gap: 10px; }
.card h3 i { font-style: normal; width: 36px; height: 36px; border-radius: 50%; background: var(--tint); display: inline-grid; place-items: center; font-size: 1.05rem; flex: none; }
.card ul { margin: 0; padding-left: 1.2em; font-size: .97rem; }
.card li { margin: 2px 0; }
.note-box { margin-top: 18px; background: var(--tint); border-radius: var(--radius); padding: 16px 22px; color: var(--ink); font-size: .97rem; }

/* ---------- プロフィール ---------- */
.profile { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: start; }
.name-card { background: var(--primary); color: #fff; border-radius: var(--radius); padding: 30px 28px; }
.name-card small { color: #e8d3a8; letter-spacing: .12em; }
.name-card strong { display: block; font-family: var(--serif); font-size: 1.7rem; letter-spacing: .12em; margin: 4px 0 12px; }
.name-card p { margin: 0; font-size: .95rem; color: #dce5f0; line-height: 1.8; }
.timeline { list-style: none; margin: 0; padding: 0 0 0 20px; border-left: 2px solid var(--line); }
.timeline li { position: relative; padding: 0 0 14px 22px; display: grid; grid-template-columns: 9.5em 1fr; gap: 8px; }
.timeline li::before { content: ""; position: absolute; left: -29px; top: .75em; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); border: 3px solid var(--bg); box-sizing: content-box; }
.timeline time { color: var(--muted); font-size: .92rem; }

/* ---------- アクセス ---------- */
.access { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.info { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.info dl { margin: 0; display: grid; grid-template-columns: 6em 1fr; gap: 10px 14px; }
.info dt { color: var(--muted); font-size: .92rem; }
.info dd { margin: 0; }
.info .tel { font-family: var(--serif); font-size: 1.6rem; font-weight: 700; color: var(--primary); text-decoration: none; letter-spacing: .04em; }
.photos { display: grid; gap: 14px; }
.photos figure { margin: 0; }
.photos img { border-radius: var(--radius); aspect-ratio: 16 / 9; object-fit: cover; width: 100%; }
.photos figcaption { font-size: .88rem; color: var(--muted); margin-top: 4px; }

/* ---------- お問い合わせ ---------- */
.contact { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 36px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; }
.contact h3 { font-family: var(--serif); color: var(--primary); margin: 0 0 10px; font-size: 1.25rem; }
.contact .side p { margin: 0 0 12px; font-size: .96rem; }
.contact .side .tel-line { font-size: 1.05rem; }
form .row { margin-bottom: 18px; }
label { display: block; font-weight: 700; font-size: .95rem; margin-bottom: 6px; }
label .req { color: #b3261e; font-size: .8rem; margin-left: 6px; font-weight: 700; }
label .opt { color: var(--muted); font-size: .8rem; margin-left: 6px; font-weight: 400; }
input[type=text], input[type=email], input[type=tel], textarea {
  width: 100%; padding: 13px 14px; font: inherit; color: var(--ink); background: #fff;
  border: 1.5px solid #c9c2b4; border-radius: 10px;
}
textarea { min-height: 190px; resize: vertical; }
input:focus, textarea:focus { border-color: var(--primary); outline: 3px solid color-mix(in srgb, var(--primary) 25%, transparent); }
.either { background: var(--tint); border-left: 4px solid var(--accent); border-radius: 8px; padding: 12px 16px; margin: 0 0 18px; font-size: .95rem; line-height: 1.7; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.err { color: #b3261e; font-size: .88rem; margin: 4px 0 0; min-height: 1.2em; }
.status { margin-top: 14px; padding: 14px 16px; border-radius: 10px; display: none; font-size: .96rem; }
.status.ok { display: block; background: #e8f4ec; color: #1d5a33; }
.status.ng { display: block; background: #fdeceb; color: #8a1d16; }
.privacy { font-size: .85rem; color: var(--muted); margin: 12px 0 0; }

/* ---------- フッター ---------- */
.site-footer { margin-top: 96px; background: var(--primary-dark); color: #cfd9e6; padding: 36px 0 40px; font-size: .9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 30px; }
.site-footer strong { color: #fff; font-family: var(--serif); font-size: 1.05rem; letter-spacing: .06em; }

/* ---------- 確認用バー（正式版では削除） ---------- */
.preview-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
  background: #1b1b1b; color: #fff; font-size: .85rem; line-height: 1.5;
  padding: 10px 16px; display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; justify-content: center;
}
.preview-bar a { color: #ffd98a; }
.preview-bar .sw { display: inline-flex; gap: 6px; align-items: center; }
.preview-bar button { font: inherit; font-size: .82rem; color: #fff; background: #3a3a3a; border: 1px solid #666; border-radius: 999px; padding: 4px 14px; cursor: pointer; }
.preview-bar button[aria-pressed="true"] { background: #fff; color: #111; border-color: #fff; font-weight: 700; }

/* ---------- レスポンシブ ---------- */
.brand, .nav a, .head-tel, .menu summary { white-space: nowrap; }
@media (max-width: 980px) {
  .nav { display: none; }
  .menu { display: block; position: relative; }
  .menu summary { list-style: none; cursor: pointer; padding: 10px 14px; border: 1.5px solid var(--primary); border-radius: 10px; color: var(--primary); font-weight: 700; font-size: .9rem; }
  .menu summary::-webkit-details-marker { display: none; }
  .menu nav { position: absolute; right: 0; top: 52px; width: 220px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 8px; box-shadow: 0 12px 30px rgba(0, 0, 0, .14); display: grid; }
  .menu nav a { padding: 12px 14px; text-decoration: none; color: var(--ink); border-radius: 8px; }
  .menu nav a:hover { background: var(--tint); }
}
@media (max-width: 860px) {
  body { font-size: 16.5px; }
  .nav { display: none; }
  .menu { display: block; position: relative; }
  .menu summary { list-style: none; cursor: pointer; padding: 10px 14px; border: 1.5px solid var(--primary); border-radius: 10px; color: var(--primary); font-weight: 700; font-size: .9rem; }
  .menu summary::-webkit-details-marker { display: none; }
  .menu nav { position: absolute; right: 0; top: 52px; width: 220px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 8px; box-shadow: 0 12px 30px rgba(0, 0, 0, .14); display: grid; }
  .menu nav a { padding: 12px 14px; text-decoration: none; color: var(--ink); border-radius: 8px; }
  .menu nav a:hover { background: var(--tint); }
  .hero .wrap, .about, .profile, .access, .contact { grid-template-columns: 1fr; }
  .hero .wrap { padding: 48px 0 64px; gap: 30px; }
  .points ul, .cards { grid-template-columns: 1fr; }
  .contact { padding: 24px 18px; gap: 24px; }
  .timeline li { grid-template-columns: 1fr; gap: 0; }
  .timeline time { font-size: .85rem; }
}
@media (min-width: 981px) { .site-header .head-tel { display: inline-flex; min-height: 44px; padding: 6px 20px; font-size: .95rem; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }