@charset "UTF-8";

/* ==========================================================================
   共通スタイル
   ※このサイト自体が、診断チェックリストの全項目を満たすことを目標にしている
   ※表示速度を優先し、Webフォント・画像・JavaScriptは使わない
   ========================================================================== */

:root {
  --ink: #1c2430;
  --ink-soft: #5a6472;
  --line: #e2e6ec;
  --line-strong: #cfd6df;
  --bg: #fff;
  --bg-soft: #f5f7fa;
  --accent: #1f4e78;
  --accent-deep: #163a5a;
  --accent-soft: #eaf1f8;
  --accent-line: #c6d7e8;
  --warm: #c9772f;
  --warn: #b8443c;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 40, 70, .06), 0 4px 16px rgba(20, 40, 70, .06);
  --maxw: 960px;
  --readw: 780px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "YuGothic", "Meiryo", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: .02em;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

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

a {
  color: var(--accent);
  text-underline-offset: .2em;
  text-decoration-thickness: 1px;
}
a:hover { color: var(--accent-deep); text-decoration-thickness: 2px; }

:focus-visible {
  outline: 3px solid rgba(31, 78, 120, .45);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ---------- ヘッダー ---------- */
.site-header {
  background: var(--bg);
  border-top: 4px solid var(--accent);
}
.site-header .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.1rem 1.2rem .9rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .2rem 1.2rem;
}
.site-name {
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: .04em;
  margin: 0;
}
.site-name a { color: var(--ink); text-decoration: none; }
.site-name a:hover { color: var(--accent); }
.site-tagline {
  font-size: .8rem;
  color: var(--ink-soft);
  margin: 0;
  padding-left: 1.2rem;
  border-left: 1px solid var(--line-strong);
}

/* ---------- ナビ ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, .94);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(1.4) blur(8px);
  -webkit-backdrop-filter: saturate(1.4) blur(8px);
}
.site-nav ul {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.2rem;
  list-style: none;
  display: flex;
  gap: 0 1.6rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.site-nav ul::-webkit-scrollbar { display: none; }
.site-nav li { margin: 0; flex-shrink: 0; }
.site-nav a {
  position: relative;
  display: inline-block;
  padding: .8rem 0 .75rem;
  font-size: .9rem;
  text-decoration: none;
  color: var(--ink);
  white-space: nowrap;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform .2s ease;
}
.site-nav a:hover { color: var(--accent); }
.site-nav a:hover::after { transform: scaleX(.6); }
.site-nav a[aria-current="page"] {
  color: var(--accent);
  font-weight: 700;
}
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }
/* お問い合わせは目立たせる */
.site-nav li:last-child { margin-left: auto; }
.site-nav li:last-child a {
  margin: .45rem 0;
  padding: .3rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}
.site-nav li:last-child a::after { display: none; }
.site-nav li:last-child a:hover { background: var(--accent-deep); color: #fff; }
.site-nav li:last-child a[aria-current="page"] { box-shadow: 0 0 0 3px var(--accent-line); }

/* ---------- 本文 ---------- */
main {
  position: relative;
  isolation: isolate;
  max-width: var(--readw);
  margin: 0 auto;
  padding: 0 1.2rem 4rem;
}

/* 下層ページのタイトル帯（h1 を画面幅いっぱいの帯に見せる） */
main > h1 {
  position: relative;
  margin: 0 0 2rem;
  padding: 2.6rem 0 1.4rem;
  font-size: 1.85rem;
  line-height: 1.45;
  letter-spacing: .04em;
}
main > h1::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0 50%;
  margin: 0 -50vw;
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
}
main > h1::after {
  content: "";
  display: block;
  width: 3rem;
  height: 4px;
  margin-top: .9rem;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent) 0 65%, var(--warm) 65% 100%);
}

/* ホームのファーストビュー */
.hero {
  position: relative;
  margin: 0 0 2.4rem;
  padding: 3.4rem 0 2.6rem;
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0 50%;
  margin: 0 -50vw;
  background:
    radial-gradient(ellipse 60% 80% at 85% 10%, rgba(31, 78, 120, .10), transparent 70%),
    linear-gradient(180deg, var(--accent-soft) 0%, var(--bg) 100%);
}
.hero-kicker {
  display: inline-block;
  margin: 0 0 1rem;
  padding: .15rem .8rem;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--accent);
  background: #fff;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
}
.hero h1 {
  margin: 0 0 1.2rem;
  font-size: 2.1rem;
  line-height: 1.5;
  letter-spacing: .04em;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(transparent 68%, rgba(201, 119, 47, .28) 68%);
}
.hero .lead { margin-bottom: 1.6rem; }
.hero .btn { margin: 0 .5rem .5rem 0; }

h2 {
  position: relative;
  font-size: 1.35rem;
  line-height: 1.5;
  letter-spacing: .03em;
  margin: 3.4rem 0 1.1rem;
  padding: 0 0 .7rem;
  border-bottom: 1px solid var(--line);
}
h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 2.6rem;
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
}
h3 {
  font-size: 1.07rem;
  line-height: 1.6;
  margin: 1.9rem 0 .6rem;
  color: var(--accent-deep);
}
p { margin: 0 0 1.1rem; }

ul, ol { padding-left: 1.4rem; margin: 0 0 1.2rem; }
li { margin-bottom: .45rem; }
li::marker { color: var(--accent); }

strong { font-weight: 700; }

/* ---------- リード文 ---------- */
.lead {
  font-size: 1.12rem;
  line-height: 1.9;
  color: #2b3542;
}
.lead strong {
  background: linear-gradient(transparent 70%, rgba(201, 119, 47, .22) 70%);
}

/* ---------- 表 ---------- */
.table-wrap {
  overflow-x: auto;
  margin: 1.2rem 0 1.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: #fff;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
  line-height: 1.7;
}
caption {
  caption-side: top;
  padding: .7rem 1rem;
  text-align: left;
  font-size: .85rem;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}
th, td {
  border-bottom: 1px solid var(--line);
  padding: .8rem 1rem;
  text-align: left;
  vertical-align: top;
}
tbody tr:last-child > * { border-bottom: none; }
thead th {
  background: var(--accent);
  color: #fff;
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .04em;
  white-space: nowrap;
}
tbody th {
  background: var(--bg-soft);
  font-weight: 700;
  white-space: nowrap;
}
tbody tr:hover > td { background: #fbfcfd; }
td.num {
  white-space: nowrap;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent-deep);
}
td.num strong { color: var(--warm); }
td strong { color: var(--accent); }

/* ---------- 囲み ---------- */
.box {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem 1.5rem;
  margin: 1.6rem 0;
}
.box > :last-child { margin-bottom: 0; }
.box-accent {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  border-left: 5px solid var(--accent);
}
.box h3 { margin-top: 0; }

/* ---------- 悩みリスト ---------- */
.worries {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 1.6rem;
  display: grid;
  gap: .6rem;
}
.worries li {
  position: relative;
  margin: 0;
  padding: .85rem 1rem .85rem 3rem;
  line-height: 1.7;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.worries li::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 1.05rem;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1.5px var(--accent);
}
.worries li::after {
  content: "";
  position: absolute;
  left: 1.4rem;
  top: 1.25rem;
  width: .38rem;
  height: .65rem;
  border: solid var(--accent);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* ---------- カード ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.4rem 0;
}
.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem 1.4rem 1.2rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: var(--accent);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 4px rgba(20, 40, 70, .06), 0 10px 28px rgba(20, 40, 70, .10);
}
.card h3 { margin-top: 0; font-size: 1.02rem; }
.card p { font-size: .92rem; line-height: 1.8; color: #3a4453; margin-bottom: 0; }
.card .card-link { margin-top: .8rem; font-size: .88rem; font-weight: 700; }
.card .card-link a { text-decoration: none; }
.card .card-link a::after { content: " →"; }

/* ---------- ページ内の目次 ---------- */
.toc ol {
  margin: 0;
  padding-left: 1.4rem;
  columns: 2;
  column-gap: 2rem;
}
.toc li { margin-bottom: .3rem; break-inside: avoid; }
h2[id] { scroll-margin-top: 4rem; }

/* ---------- 手順（番号つきリスト） ---------- */
main > ol {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 1.2rem 0 1.6rem;
}
main > ol > li {
  counter-increment: step;
  position: relative;
  margin: 0;
  padding: 0 0 1.4rem 3.4rem;
  min-height: 2.4rem;
}
main > ol > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.3rem;
  height: 2.3rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: .95rem;
  line-height: 1;
}
main > ol > li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: calc(1.15rem - 1px);
  top: 2.5rem;
  bottom: .2rem;
  width: 2px;
  background: var(--accent-line);
}
main > ol > li:last-child { padding-bottom: 0; }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  margin: 3.6rem 0 0;
  padding: 2.4rem 1.6rem 2rem;
  text-align: center;
  color: #fff;
  border-radius: 14px;
  background:
    radial-gradient(ellipse 70% 90% at 100% 0%, rgba(255, 255, 255, .12), transparent 60%),
    linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  box-shadow: 0 10px 30px rgba(22, 58, 90, .25);
  overflow: hidden;
}
.cta h2 {
  border: none;
  padding: 0;
  margin: 0 0 .8rem;
  font-size: 1.4rem;
  color: #fff;
}
.cta h2::after { display: none; }
.cta p, .cta .note { color: rgba(255, 255, 255, .88); }
.cta a:not(.btn) { color: #fff; }
.cta > :last-child { margin-bottom: 0; }
.cta .btn {
  background: #fff;
  color: var(--accent-deep);
}
.cta .btn:hover { background: #fff; color: var(--accent); }
.cta .btn-sub {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .7);
}
.cta .btn-sub:hover { background: rgba(255, 255, 255, .12); color: #fff; }

.btn {
  display: inline-block;
  margin: .6rem .3rem 0;
  padding: .85rem 2rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1.5;
  border: 1px solid transparent;
  border-radius: 999px;
  box-shadow: 0 2px 6px rgba(22, 58, 90, .18);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover {
  color: #fff;
  background: var(--accent-deep);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(22, 58, 90, .24);
}
.btn-sub {
  background: #fff;
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: none;
}
.btn-sub:hover { background: var(--accent-soft); color: var(--accent-deep); }

/* ---------- 注記 ---------- */
.note {
  font-size: .88rem;
  line-height: 1.8;
  color: var(--ink-soft);
}
.placeholder {
  background: #fff3cd;
  border-bottom: 1px dotted #b8860b;
  padding: 0 .15em;
}

/* ---------- フォーム ---------- */
form {
  margin: 1.6rem 0;
  padding: 1.8rem 1.6rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.form-row { margin-bottom: 1.4rem; }
.form-row label {
  display: block;
  font-weight: 700;
  font-size: .95rem;
  margin-bottom: .4rem;
}
.form-row .req {
  display: inline-block;
  margin-left: .4rem;
  padding: 0 .5rem;
  font-size: .72rem;
  line-height: 1.7;
  vertical-align: .1em;
  color: #fff;
  background: var(--warn);
  border-radius: 3px;
}
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
select,
textarea {
  width: 100%;
  padding: .75rem .9rem;
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 78, 120, .18);
}
textarea { min-height: 10rem; resize: vertical; line-height: 1.8; }
button[type="submit"] {
  display: block;
  width: 100%;
  max-width: 22rem;
  margin: 0 auto;
  padding: 1rem 2.4rem;
  font-size: 1.02rem;
  font-weight: 700;
  font-family: inherit;
  letter-spacing: .06em;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(22, 58, 90, .22);
  cursor: pointer;
  transition: background .15s ease, transform .15s ease;
}
button[type="submit"]:hover { background: var(--accent-deep); transform: translateY(-1px); }

/* ---------- フッター ---------- */
.site-footer {
  background: #16263a;
  color: #d6dde6;
  font-size: .9rem;
}
.site-footer .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2.6rem 1.2rem 2rem;
}
.site-footer dl {
  display: grid;
  grid-template-columns: 7em 1fr;
  gap: .5rem 1.2rem;
  margin: 0 0 2rem;
  line-height: 1.7;
}
.site-footer dt { font-weight: 700; color: #fff; }
.site-footer dd { margin: 0; }
.site-footer a { color: #9cc3ea; }
.site-footer a:hover { color: #fff; }
.site-footer .copyright {
  margin: 0;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: .8rem;
  color: #8e9aab;
}

/* ---------- 動きを減らす設定 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ---------- 小画面 ---------- */
@media (max-width: 600px) {
  body { font-size: 15.5px; line-height: 1.85; }
  .site-header .inner { padding: .9rem 1rem .7rem; }
  .site-tagline { padding-left: 0; border-left: none; width: 100%; }
  .site-nav ul {
    padding: 0 2rem 0 1rem;
    gap: 0 1.2rem;
    /* 右端をぼかして、横にスクロールできることを示す */
    -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent);
    mask-image: linear-gradient(90deg, #000 85%, transparent);
  }
  tbody th { white-space: normal; min-width: 8.5em; }
  td:not(.num) { min-width: 11em; }
  .site-nav li:last-child { margin-left: 0; }
  main { padding: 0 1rem 3rem; }
  main > h1 { font-size: 1.45rem; padding-top: 1.8rem; }
  .hero { padding: 2.2rem 0 1.8rem; }
  .hero h1 { font-size: 1.5rem; }
  .hero br { display: none; }
  .hero .btn { display: block; margin: 0 0 .6rem; text-align: center; }
  .lead { font-size: 1.02rem; }
  h2 { font-size: 1.18rem; margin-top: 2.8rem; }
  th, td { padding: .7rem .8rem; }
  form { padding: 1.3rem 1rem; }
  .cta { padding: 2rem 1.1rem 1.6rem; }
  .cta .btn { display: block; margin: .6rem 0 0; }
  .site-footer dl { grid-template-columns: 1fr; gap: 0; }
  .site-footer dt { margin-top: .8rem; }
  .site-footer dt:first-child { margin-top: 0; }
  .toc ol { columns: 1; }
}

/* ---------- 印刷 ---------- */
@media print {
  .site-nav { position: static; }
  .site-footer { background: none; color: var(--ink); }
  .cta { background: none; color: var(--ink); box-shadow: none; border: 2px solid var(--accent); }
  .cta h2, .cta p, .cta .note { color: var(--ink); }
}