/* 最新版・歯科技工所番号データベース — 濃紺の帯に「技工指示書の記入欄」を重ねる画面 */
:root {
  --navy: #0b1f3a;       /* ヒーロー・フッターの地 */
  --heading: #0b1f3a;    /* 見出しの文字 */
  --blue: #1d62ac;       /* リンク・ボタン（ロゴの青） */
  --mist: #eef3f8;       /* ページの地 */
  --sheet: #ffffff;      /* カード・記入欄 */
  --tint: #e3ecf6;       /* 表の見出し・薄い塗り */
  --ink: #17242d;
  --ink-soft: #4f5f6b;
  --line: #d5e0eb;       /* 罫線 */
  --cell: #c3d3e3;       /* 記入欄のマス目 */
  --seal: #b70000;       /* 朱（未掲載・掲載終了の印。ロゴの赤） */
  --ok: #23663f;
  --focus: #e3a21a;
  --on-navy: #ffffff;
  --on-navy-soft: rgba(255, 255, 255, .74);
  --shadow: 0 22px 48px -24px rgba(11, 31, 58, .45);
  --radius: 14px;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --sans: "BIZ UDPGothic", "Hiragino Sans", "Yu Gothic", sans-serif;
  --display: "Zen Kaku Gothic New", "BIZ UDPGothic", "Hiragino Sans", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --navy: #091627;
    --heading: #e6edf2;
    --blue: #86b6ea;
    --mist: #0d1520;
    --sheet: #152130;
    --tint: #1b2a3b;
    --ink: #e6edf2;
    --ink-soft: #a3b4c0;
    --line: #283a4d;
    --cell: #34495f;
    --seal: #ff7b6b;
    --ok: #6fcf97;
    --shadow: 0 22px 48px -24px rgba(0, 0, 0, .7);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--mist);
  color: var(--ink);
  font: 16px/1.8 var(--sans);
}
a { color: var(--blue); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.wrap, #view > :not(.full) { width: min(1040px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; background: var(--sheet); padding: 4px 8px; z-index: 20; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--sheet) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 8px 24px; padding: 10px 0; }
.brand { display: inline-flex; align-items: center; flex: none; text-decoration: none; border-radius: 6px; }
.brand img { display: block; height: 52px; width: auto; }
@media (prefers-color-scheme: dark) {
  /* 紺色のロゴが沈まないよう、ロゴの後ろにだけ白い下地を敷く */
  .brand { background: #fff; padding: 4px 8px; }
}
.site-nav { display: flex; gap: 4px; font-size: 14px; }
.site-nav a {
  color: var(--ink-soft); text-decoration: none; white-space: nowrap;
  padding: 6px 14px; border-radius: 999px;
}
.site-nav a:hover { color: var(--heading); background: var(--tint); }
.site-nav a[aria-current="page"] { color: var(--on-navy); background: var(--navy); }
@media (prefers-color-scheme: dark) {
  .site-nav a[aria-current="page"] { color: #0d1520; background: var(--blue); }
}
/* スマホ用のハンバーガーボタン（広い画面では出さない） */
.menu-toggle { display: none; }

/* ---------- 本文の共通 ---------- */
main { padding: 40px 0 72px; outline: none; }
h1, h2, h3 { font-family: var(--display); color: var(--heading); font-weight: 700; letter-spacing: .02em; }
h1 { font-size: clamp(26px, 3.6vw, 34px); line-height: 1.4; margin: 0 0 8px; }
h2 { font-size: 22px; line-height: 1.5; margin: 40px 0 14px; }
h3 { font-size: 17px; line-height: 1.5; margin: 0 0 6px; }
.lead { color: var(--ink-soft); margin: 0 0 24px; }
.notice { background: var(--sheet); border-left: 4px solid var(--blue); padding: 12px 16px; }
code { font-family: var(--mono); font-size: .92em; background: var(--tint); padding: 1px 6px; border-radius: 4px; }

/* ---------- ヒーロー（トップページ） ---------- */
#view > .hero:first-child { margin-top: -40px; }
.hero {
  color: var(--on-navy);
  background:
    /* 技工指示書の罫線を思わせる細い格子 */
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .045) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .045) 0 1px, transparent 1px 32px),
    radial-gradient(120% 90% at 85% 0%, #1d4f8c 0%, transparent 60%),
    var(--navy);
  padding: 56px 0 132px;
}
.hero-inner { width: min(1040px, 100% - 32px); margin-inline: auto; }
.eyebrow {
  display: inline-block; margin: 0 0 18px;
  font-size: 13px; font-weight: 700; letter-spacing: .06em; color: #cfe1f6;
  border: 1px solid rgba(255, 255, 255, .28); border-radius: 999px; padding: 3px 14px;
}
.hero h1 { color: var(--on-navy); font-size: clamp(30px, 5.4vw, 54px); line-height: 1.22; letter-spacing: .03em; margin: 0 0 20px; }
.hero h1 span { display: block; }
.hero h1 span:first-child { font-size: .5em; letter-spacing: .14em; color: #9cc3ee; margin-bottom: 6px; }
.hero-lead { max-width: none; margin: 0 0 32px; color: var(--on-navy-soft); font-size: 16.5px; line-height: 1.95; }
.hero-stats { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px 0; margin: 0; }
.stat { padding: 0 28px; border-left: 1px solid rgba(255, 255, 255, .22); }
.stat:first-child { padding-left: 0; border-left: none; }
.stat dt { font-size: 12.5px; color: var(--on-navy-soft); letter-spacing: .08em; }
.stat dd { margin: 0; font-size: 13px; color: var(--on-navy-soft); }
.stat-num { font: 600 clamp(24px, 3.4vw, 32px)/1.2 var(--mono); color: var(--on-navy); margin-right: 4px; letter-spacing: .02em; }
.stat-updated { flex-basis: 100%; margin: 6px 0 0; font-size: 12.5px; color: var(--on-navy-soft); }

/* ---------- 番号の記入欄（このページの核） ---------- */
.lookup { position: relative; margin-top: -92px; }
.slip {
  position: relative;
  background: var(--sheet);
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 28px 20px;
  max-width: 720px;
  margin-inline: auto;  /* 記入欄はページの中央に */
  scroll-margin-top: 84px;
}
.slip-head { display: flex; align-items: baseline; justify-content: space-between; gap: 6px 16px; flex-wrap: wrap; margin-bottom: 14px; }
.slip-title { font-size: 19px; margin: 0; }
.slip-tag { font-size: 12px; color: var(--ink-soft); border: 1px solid var(--line); border-radius: 999px; padding: 1px 12px; white-space: nowrap; }
.number-fields { display: flex; align-items: flex-start; gap: 8px; flex-wrap: nowrap; }
.number-group { display: flex; flex-direction: column; align-items: stretch; gap: 6px; }
.number-group label { font-size: 12px; color: var(--ink-soft); text-align: center; white-space: nowrap; letter-spacing: .04em; }
.number-group input {
  font: 600 clamp(22px, 6vw, 40px)/1 var(--mono);
  letter-spacing: .32em;
  padding: 12px 0 12px .32em;
  text-align: center;
  color: var(--heading);
  background:
    repeating-linear-gradient(90deg, transparent 0 calc(1ch + .32em - 1px), var(--cell) calc(1ch + .32em - 1px) calc(1ch + .32em))
    calc(.16em + 3px) 0 / calc(100% - 1ch - .64em) 100% no-repeat,  /* マス目の線を数字と数字の間にだけ引く */
    var(--mist);
  border: 1.5px solid var(--cell);
  border-radius: 8px;
  min-width: 0;
  transition: border-color .15s, background-color .15s;
}
.number-group input:focus { border-color: var(--blue); }
.number-group input::placeholder { color: var(--cell); }
.number-group.pp input, .number-group.hh input { width: calc(2 * (1ch + .32em) + .32em + 6px); }
.number-group.nn input { width: calc(5 * (1ch + .32em) + .32em + 6px); }
.number-sep { font: 600 28px/1 var(--mono); color: var(--cell); padding-top: clamp(34px, 6vw, 44px); }
.slip-help { font-size: 13px; color: var(--ink-soft); margin: 14px 0 0; }
/* 番号がわからない人の入口：記入欄の下で目立たせる */
.slip-alt {
  display: flex; align-items: center; justify-content: space-between; gap: 12px 20px; flex-wrap: wrap;
  margin-top: 18px; padding-top: 18px; border-top: 1px dashed var(--cell);
}
.slip-alt p { margin: 0; display: flex; flex-direction: column; line-height: 1.5; }
.slip-alt strong { font-family: var(--display); color: var(--heading); font-size: 15.5px; }
.slip-alt span { font-size: 13px; color: var(--ink-soft); }
.button.cta { font-size: 16px; padding: 12px 26px; gap: 10px; box-shadow: 0 8px 20px -10px rgba(29, 98, 172, .8); }
.button.cta span { color: inherit; font-size: inherit; }
.cta-icon { /* 虫めがね */
  position: relative; width: 15px; height: 15px; border: 2.5px solid currentColor; border-radius: 50%; margin-right: 2px;
}
.cta-icon::after {
  content: ""; position: absolute; right: -6px; bottom: -6px; width: 7px; height: 2.5px;
  background: currentColor; border-radius: 2px; transform: rotate(45deg);
}

button, .button {
  font: 700 15px var(--sans);
  background: var(--blue);
  color: #fff;
  border: 1.5px solid var(--blue);
  border-radius: 999px;
  padding: 8px 20px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: filter .15s;
}
button:hover, .button:hover { filter: brightness(1.08); }
button.secondary, .button.secondary { background: transparent; color: var(--blue); }
@media (prefers-color-scheme: dark) { button, .button { color: #0d1520; } button.secondary, .button.secondary { color: var(--blue); } }

/* ---------- 照合結果・詳細カード ---------- */
.result { max-width: 720px; margin: 16px auto 0; }
.result:empty { display: none; }

.card {
  background: var(--sheet);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px -22px rgba(11, 31, 58, .5);
  padding: 22px 28px;
}
.card.loading { color: var(--ink-soft); }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.lab-number { font: 600 19px var(--mono); letter-spacing: .06em; color: var(--blue); }
.lab-name { font-family: var(--display); font-size: 23px; font-weight: 700; color: var(--heading); margin: 2px 0 0; line-height: 1.45; }
.fields { display: grid; grid-template-columns: 8em 1fr; margin: 16px 0 0; border-top: 1px solid var(--line); }
.fields dt, .fields dd { padding: 10px 0; border-bottom: 1px solid var(--line); margin: 0; }
.fields dt { color: var(--ink-soft); font-size: 13.5px; }
.fields dd { overflow-wrap: anywhere; }
.reference { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.reference .ref-name { font-weight: 700; }
.reference .ref-label { color: var(--ink-soft); font-size: 14px; }
.reference .ref-links { display: flex; gap: 10px 16px; flex-wrap: wrap; align-items: center; font-size: 14px; }
.reference .button { font-size: 13.5px; padding: 5px 14px; }
.notes { white-space: pre-line; font-size: 14px; }
.notes-empty { color: var(--ink-soft); }
.removed-note { color: var(--seal); font-weight: 700; margin: 12px 0 0; }
.text-seal { color: var(--seal); }  /* 注意を引きたい文（このサイトについての「掲載終了」の説明など） */

/* ---------- 個別ページ・都道府県別一覧（pages/page.php が描く） ---------- */
.lab-page { max-width: 760px; }
.lab-page .card h1.lab-name { font-size: 23px; letter-spacing: 0; }
.breadcrumb ol { list-style: none; margin: 0 0 16px; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 0; font-size: 13px; color: var(--ink-soft); }
.breadcrumb li + li::before { content: "›"; margin: 0 8px; }
.lab-history h2 { font-size: 18px; margin: 32px 0 10px; }
.page-links { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 28px 0 0; font-size: 14.5px; }

/* 朱の印：未掲載・掲載終了 */
.seal {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--seal); border: 2px solid var(--seal); border-radius: 8px;
  padding: 3px 10px; line-height: 1.25; transform: rotate(-4deg);
  font-weight: 700; font-size: 15px; white-space: nowrap;
}
.seal small { font-size: 11px; font-weight: 400; }

/* ---------- トップページの紹介 ---------- */
.intro { margin-top: 72px; }
.intro > section + section, .intro > .caution { margin-top: 64px; }
.intro h2 { margin-top: 0; }
.intro h2::before { content: ""; display: block; width: 32px; height: 3px; border-radius: 2px; background: var(--blue); margin-bottom: 12px; }
.features, .flow, .audience ul { list-style: none; margin: 0; padding: 0; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature, .audience {
  background: var(--sheet); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px;
}
.feature p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* 連携の流れ：順序に意味があるので番号を振る */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: step; }
.flow li {
  position: relative; counter-increment: step;
  background: var(--sheet); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 20px 18px;
}
.flow li::before {
  content: counter(step); display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 50%; margin-bottom: 10px;
  font: 600 15px var(--mono); color: var(--on-navy); background: var(--navy);
}
@media (prefers-color-scheme: dark) { .flow li::before { color: #0d1520; background: var(--blue); } }
.flow li + li::after {
  /* 前のステップからの矢印 */
  content: ""; position: absolute; left: -13px; top: 34px; width: 10px; height: 10px;
  border-top: 2px solid var(--blue); border-right: 2px solid var(--blue); transform: rotate(45deg);
}
.flow p { margin: 6px 0 0; font-size: 14.5px; }
.step-who { display: inline-block; font-size: 12px; font-weight: 700; border-radius: 999px; padding: 1px 10px; }
.step-who.clinic { color: var(--blue); background: var(--tint); }
.step-who.lab { color: var(--on-navy); background: var(--navy); }
@media (prefers-color-scheme: dark) { .step-who.lab { color: #0d1520; background: #cfe1f6; } }

.audiences { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.audience { border-top: 4px solid var(--blue); }
.audience + .audience { border-top-color: var(--navy); }
@media (prefers-color-scheme: dark) { .audience + .audience { border-top-color: #cfe1f6; } }
.audience h3 { margin-bottom: 10px; }
.audience li { position: relative; padding-left: 1.2em; font-size: 15px; }
.audience li + li { margin-top: 6px; }
.audience li::before { content: ""; position: absolute; left: 0; top: .78em; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }
.caution { background: var(--tint); border-radius: var(--radius); padding: 16px 22px; font-size: 14px; color: var(--ink-soft); }
.caution p { margin: 0; }
.caution strong { color: var(--heading); }

/* ---------- 検索 ---------- */
.search-form {
  display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: 14px; align-items: end;
  background: var(--sheet); border: 1px solid var(--line); border-top: 4px solid var(--blue);
  border-radius: var(--radius); box-shadow: 0 10px 30px -22px rgba(11, 31, 58, .5); padding: 20px 22px;
}
.search-form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--ink-soft); }
.search-form button { justify-content: center; height: 44px; }
input[type="search"], input[type="text"], input[type="email"], input[type="password"], select {
  font: 16px var(--sans); color: var(--ink); background: var(--mist);
  border: 1.5px solid var(--line); border-radius: 8px; padding: 8px 12px; width: 100%; height: 44px;
}
input[type="search"]:focus, input[type="text"]:focus, input[type="email"]:focus, input[type="password"]:focus, select:focus { border-color: var(--blue); }
.search-form .check { flex-direction: row; align-items: center; gap: 8px; grid-column: 1 / -1; }
.results-meta { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px; margin: 24px 0 10px; color: var(--ink-soft); font-size: 14px; }
.result-list { list-style: none; padding: 0; margin: 0; background: var(--sheet); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.result-list li + li { border-top: 1px solid var(--line); }
.result-list a { display: grid; grid-template-columns: 10em 1fr auto; gap: 2px 18px; padding: 14px 20px; color: var(--ink); text-decoration: none; align-items: center; }
.result-list a:hover { background: var(--tint); }
.result-list .num { font: 600 15px var(--mono); letter-spacing: .04em; color: var(--blue); grid-row: 1 / 3; align-self: start; padding-top: 2px; }
.result-list .num.none { font: 700 14px/1.55 var(--sans); color: var(--seal); letter-spacing: .04em; }
.result-list .num.none small { font-size: 12px; font-weight: 400; letter-spacing: 0; }
.result-list .name { font-weight: 700; }
.result-list .sub { grid-column: 2 / 3; color: var(--ink-soft); font-size: 13px; }
.result-list .src { font-size: 12px; color: var(--ink-soft); grid-row: 1 / 3; grid-column: 3; text-align: right; }
.csv-links { display: inline-flex; align-items: center; gap: 8px 16px; flex-wrap: wrap; }
.button.csv { font-size: 13.5px; padding: 5px 16px; }
.csv-auth { color: var(--ink-soft); font-size: 12.5px; }

/* ---------- ログイン・アカウント・ユーザー管理（CSV のダウンロード用） ---------- */
.auth-form {
  display: grid; gap: 14px; max-width: 460px; margin: 20px 0 0;
  background: var(--sheet); border: 1px solid var(--line); border-top: 4px solid var(--blue);
  border-radius: var(--radius); padding: 20px 22px;
}
.auth-form[hidden] { display: none; }
.auth-form h2 { margin: 0; font-size: 17px; }
.auth-form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--ink-soft); }
.auth-form .hint { margin: -4px 0 0; font-size: 12.5px; color: var(--ink-soft); }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; }
.form-actions button { height: 44px; justify-content: center; }
.form-message:empty { display: none; }
#flash .message { margin: 0 0 20px; }
button:disabled { opacity: .55; cursor: wait; }
button.small { font-size: 13px; padding: 4px 12px; }
.account-fields { max-width: 460px; }
table.users td.actions button { margin: 0 6px 6px 0; }
table.users td:first-child { overflow-wrap: anywhere; }
@media (max-width: 720px) {
  /* スマホでは1人ずつ縦に並べる（操作ボタンが横にはみ出さないように） */
  table.users thead { display: none; }
  table.users, table.users tbody, table.users tr, table.users td { display: block; width: 100%; }
  table.users tr { padding: 12px 16px; border-bottom: 1px solid var(--line); }
  table.users tbody tr:last-child { border-bottom: none; }
  table.plain.users td { border: none; padding: 3px 0; }
  table.users td[data-label]::before { content: attr(data-label) "："; color: var(--ink-soft); font-size: 12.5px; }
  table.plain.users td.actions { padding-top: 8px; }
}
.pager { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; align-items: center; margin-top: 24px; }
.page {
  display: inline-grid; place-items: center; min-width: 40px; height: 40px; padding: 0 10px;
  border-radius: 999px; font: 600 15px var(--mono); text-decoration: none;
  color: var(--blue); background: var(--sheet); border: 1px solid var(--line);
}
a.page:hover { border-color: var(--blue); background: var(--tint); }
.page.current { color: var(--on-navy); background: var(--navy); border-color: var(--navy); }
@media (prefers-color-scheme: dark) { .page.current { color: #0d1520; background: var(--blue); border-color: var(--blue); } }
.page.gap { border: none; background: none; color: var(--ink-soft); min-width: 20px; padding: 0; }
.page.step { font-size: 20px; }

/* ---------- 表（更新情報・収集状況） ---------- */
.table-scroll { overflow-x: auto; background: var(--sheet); border: 1px solid var(--line); border-radius: var(--radius); }
table.plain { width: 100%; border-collapse: collapse; font-size: 14px; }
table.plain th, table.plain td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.plain tbody tr:last-child td { border-bottom: none; }
table.plain th { background: var(--tint); color: var(--heading); font-weight: 700; white-space: nowrap; }
table.plain td.n { text-align: right; font-family: var(--mono); }
table.plain th.n { text-align: right; }
table.plain td.warn { color: var(--seal); }
/* 収集状況：列の間隔がそろうよう幅を配分する（掲載元だけ折り返し可） */
table.sources th:not(:nth-child(2)), table.sources td:not(:nth-child(2)) { white-space: nowrap; }
table.sources th:nth-child(1) { width: 12%; }
table.sources th:nth-child(2) { width: 20%; }
table.sources th:nth-child(3), table.sources th:nth-child(4) { width: 12%; }
table.sources th:nth-child(5) { width: 26%; }
table.sources th:nth-child(6) { width: 18%; }
table.sources th:nth-child(5), table.sources td:nth-child(5) { padding-left: 48px; }
.badge { display: inline-block; font-size: 12px; font-weight: 700; line-height: 1.6; border-radius: 999px; padding: 1px 10px; white-space: nowrap; border: 1px solid currentColor; }
.badge-added, .badge-restored, .badge-ok { color: var(--ok); }
.badge-updated { color: var(--blue); }
.badge-removed { color: var(--seal); }
.status-ok { color: var(--ok); }
.status-ng { color: var(--seal); font-weight: 700; }

.message { padding: 14px 18px; background: var(--sheet); border: 1.5px dashed var(--line); border-radius: var(--radius); margin: 0; }
.message.error { border-color: var(--seal); color: var(--seal); }
.loading { color: var(--ink-soft); }

/* ---------- フッター ---------- */
.site-footer { background: var(--navy); color: var(--on-navy-soft); font-size: 13px; }
.site-footer a { color: #cfe1f6; }
.site-footer a:hover { color: #fff; }
.footer-inner { padding: 32px 0 36px; }
.footer-inner p { margin: 4px 0; }
.related { margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .14); text-align: center; }
.footer-inner .related-title { font-size: 12px; font-weight: 700; letter-spacing: .1em; color: var(--on-navy); margin: 0 0 8px; }
.related ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 20px; font-size: 12.5px; }
.related a { color: var(--on-navy-soft); text-decoration: none; }
.related a:hover { color: #fff; text-decoration: underline; }
.pref-index ul { gap: 4px 14px; }
.pref-index + .related { margin-top: 18px; }
.footer-inner .copyright { text-align: center; margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, .14); line-height: 1.6; }
.footer-inner .copyright small { font-size: 12px; }

/* ---------- 狭い画面 ---------- */
@media (max-width: 860px) {
  .header-inner { position: relative; padding: 8px 0; }
  .menu-toggle {
    display: inline-flex; align-items: center; gap: 8px;
    background: transparent; color: var(--heading); border: 1px solid var(--line);
    padding: 6px 14px 6px 12px; font-size: 13px;
  }
  .menu-toggle:hover { filter: none; background: var(--tint); }
  .menu-icon, .menu-icon span, .menu-icon::before, .menu-icon::after { display: block; width: 18px; height: 2px; border-radius: 1px; background: currentColor; }
  .menu-icon { position: relative; background: none; }
  .menu-icon span { position: absolute; top: 0; }
  .menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; transition: transform .2s; }
  .menu-icon::before { top: -6px; }
  .menu-icon::after { top: 6px; }
  .menu-toggle[aria-expanded="true"] .menu-icon span { opacity: 0; }
  .menu-toggle[aria-expanded="true"] .menu-icon::before { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-icon::after { transform: translateY(-6px) rotate(-45deg); }
  .site-nav {
    display: none; position: absolute; top: calc(100% + 1px); left: -16px; right: -16px;
    flex-direction: column; gap: 2px; padding: 8px 16px 14px;
    background: var(--sheet); border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 16px; font-size: 15px; border-radius: 10px; }
  .features { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr 1fr; }
  .flow li:nth-child(3)::after { display: none; }
}
@media (max-width: 720px) {
  .brand img { height: 38px; }
  .hero { padding: 36px 0 108px; }
  .hero h1 { font-size: min(6.4vw, 34px); }  /* 「歯科技工所番号データベース」を1行に収める */
  .hero h1 span:first-child { font-size: .62em; }
  .eyebrow { font-size: 12px; letter-spacing: .02em; padding: 3px 12px; }
  .hero-stats { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; }
  .stat { padding: 0 12px; }
  .stat dd { white-space: nowrap; }
  .stat-updated { grid-column: 1 / -1; }
  .stat-num { font-size: 19px; margin-right: 2px; }
  .lookup { margin-top: -80px; }
  .slip { padding: 18px 16px 16px; scroll-margin-top: 110px; }
  .number-fields { gap: 4px; }
  .number-sep { font-size: 22px; }
  .card { padding: 18px 18px; }
  .search-form { grid-template-columns: 1fr 1fr; padding: 16px; }
  .search-form label:first-child { grid-column: 1 / -1; }
  .fields { grid-template-columns: 7em 1fr; }
  .fields dt { font-size: 12.5px; }
  .result-list a { grid-template-columns: 1fr; padding: 12px 16px; }
  .result-list .num, .result-list .sub, .result-list .src { grid-column: 1; grid-row: auto; text-align: left; }
  .number-group label { font-size: 11px; }
  .slip-alt .button.cta { width: 100%; justify-content: center; }
  .pager { gap: 4px; }
  .page { min-width: 34px; height: 34px; padding: 0 6px; font-size: 14px; }
  .flow, .audiences { grid-template-columns: 1fr; }
  .flow li + li::after { left: 28px; top: -13px; transform: rotate(135deg); display: block; }
  .intro { margin-top: 56px; }
  .intro > section + section, .intro > .caution { margin-top: 48px; }
}
@media (prefers-reduced-motion: no-preference) {
  .result .card { animation: fill .25s ease-out; }
  @keyframes fill { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
}