/* 日本時効援用通知書作成代行センター theme.css */

:root {
  --color-primary: #0a2d5e;       /* ネイビー：信頼感 */
  --color-primary-dark: #061a3a;
  --color-accent: #d4a017;        /* ゴールド：行政書士の権威感 */
  --color-accent-light: #f3e5a8;
  --color-text: #1a1a1a;
  --color-text-sub: #555;
  --color-bg: #ffffff;
  --color-bg-soft: #f6f7fb;
  --color-border: #e2e5ec;
  --color-cta: #e55a1a;           /* CTA橙 */
  --color-cta-hover: #c94810;
  --color-line: #06c755;
  --font-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Yu Gothic", sans-serif;
  --max-width: 1120px;
  --radius: 8px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  line-height: 1.8;
  background: var(--color-bg);
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- ヘッダー ---------- */
.site-topbar {
  background: var(--color-primary-dark);
  color: #fff;
  font-size: 13px;
  padding: 6px 0;
}
.site-topbar__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
}
.site-logo {
  font-weight: 700;
  font-size: 18px;
  color: var(--color-primary);
  line-height: 1.3;
  letter-spacing: 0.01em;
}
.site-logo small {
  display: block;
  font-size: 11px;
  color: var(--color-text-sub);
  font-weight: 400;
  margin-top: 2px;
}
.site-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 16px;
  font-weight: 600;
}
.site-nav a {
  color: var(--color-text);
  padding: 8px 4px;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}
.header-cta {
  display: flex;
  gap: 8px;
}
.header-cta a {
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 700;
}
.header-cta .btn-line {
  background: var(--color-line);
  color: #fff;
}
.header-cta .btn-mail {
  background: var(--color-cta);
  color: #fff;
}

/* ---------- ヒーロー ---------- */
.hero {
  background:
    linear-gradient(135deg, rgba(10,45,94,0.62) 0%, rgba(6,26,58,0.78) 100%),
    url('../images/hero-main.jpg') center / cover no-repeat,
    var(--color-primary);
  color: #fff;
  padding: 80px 20px;
  position: relative;
  overflow: hidden;
  text-shadow: 0 1px 6px rgba(0,0,0,0.35);
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,160,23,0.18) 0%, rgba(212,160,23,0) 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -160px;
  left: -100px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0) 70%);
  pointer-events: none;
}
.hero__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.hero__badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  color: #fff;
  font-weight: 600;
  backdrop-filter: blur(4px);
}
.hero__badge .icon {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
}
.hero__lead {
  font-size: 14px;
  color: var(--color-accent-light);
  margin: 0 0 12px;
}
.hero h1 {
  font-size: 32px;
  line-height: 1.5;
  margin: 0 0 20px;
  font-weight: 800;
}
.hero h1 em {
  display: inline-block;
  background: transparent;
  color: var(--color-accent);
  padding: 0;
  margin: 10px 0 0;
  font-style: normal;
  font-weight: 700;
  font-size: 0.62em;
  line-height: 1.55;
  letter-spacing: 0.02em;
  vertical-align: baseline;
}
.hero p { font-size: 16px; margin: 0 0 28px; }
.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.hero__cta a {
  display: inline-block;
  flex: 0 0 auto;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
}
.hero__cta .btn-line { background: var(--color-line); color: #fff; }
.hero__cta .btn-mail { background: var(--color-cta); color: #fff; }
.hero__cta .btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}

/* ---------- セクション ---------- */
.section {
  padding: 70px 20px;
  position: relative;
}
.section--decorated { overflow: hidden; }
.section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.section--soft {
  background:
    linear-gradient(180deg, rgba(246,247,251,0.95) 0%, rgba(246,247,251,1) 100%),
    radial-gradient(circle at 10% 20%, rgba(212,160,23,0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(10,45,94,0.08) 0%, transparent 40%);
  background-color: var(--color-bg-soft);
}
.section--accent {
  background:
    linear-gradient(135deg, rgba(243,229,168,0.4) 0%, rgba(255,255,255,1) 100%);
}
.section--paper {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.97) 0%, rgba(255,255,255,0.97) 100%),
    url('../img/document-stamp.png') center / cover no-repeat;
  background-color: #fff;
}
/* ---------- FAQアコーディオン ---------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 880px;
  margin: 28px auto 0;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: box-shadow 0.2s;
}
.faq-item[open] {
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
  border-color: var(--color-accent);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 56px 18px 24px;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 16px;
  line-height: 1.6;
  position: relative;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: 'Q';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-weight: 800;
  font-size: 14px;
  margin-top: 2px;
}
.faq-item summary::after {
  content: '';
  position: absolute;
  right: 24px;
  top: 50%;
  width: 12px;
  height: 12px;
  border-right: 3px solid var(--color-primary);
  border-bottom: 3px solid var(--color-primary);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.2s;
}
.faq-item[open] summary::after {
  transform: translateY(-30%) rotate(-135deg);
}
.faq-body {
  padding: 4px 24px 22px 64px;
  border-top: 1px solid var(--color-border);
  margin-top: 0;
  position: relative;
  background: #fafbfd;
}
.faq-body::before {
  content: 'A';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  left: 24px;
  top: 18px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
}
.faq-body p {
  margin: 16px 0 0;
  line-height: 1.85;
}

/* セクション右上に装飾円 */
.section--decorated::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,160,23,0.10) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.section--decorated::after {
  content: '';
  position: absolute;
  bottom: -120px;
  left: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(10,45,94,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.section h2 {
  font-size: 28px;
  margin: 0 0 32px;
  padding-bottom: 14px;
  border-bottom: 3px solid var(--color-accent);
  display: inline-block;
  font-weight: 800;
  letter-spacing: 0.01em;
}
.section h2 .h2-ribbon {
  display: inline-block;
  font-size: 13px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  padding: 2px 10px;
  border-radius: 999px;
  margin-right: 10px;
  vertical-align: middle;
  font-weight: 700;
}
.section h3 {
  font-size: 20px;
  margin: 48px 0 20px;
  padding: 12px 16px 12px 18px;
  color: var(--color-primary);
  background: rgba(212,160,23,0.08);
  border-left: 4px solid var(--color-accent);
  font-weight: 800;
  line-height: 1.55;
  letter-spacing: 0.01em;
  border-radius: 0 4px 4px 0;
}
.section--soft h3,
.section--accent h3 {
  background: rgba(10,45,94,0.04);
}
.section h3 .h3-deco {
  display: inline-block;
  width: 20px;
  height: 20px;
  margin-right: 10px;
  vertical-align: -4px;
  color: var(--color-accent);
}
.section h3 .h3-deco svg { width: 100%; height: 100%; fill: currentColor; }
@media (max-width: 720px) {
  .section h3 { font-size: 18px; margin: 36px 0 16px; padding: 10px 14px; }
}

/* ---------- 挿絵フィギュア（本文内） ---------- */
.inline-figure {
  margin: 16px 0 16px 24px;
  float: right;
  width: 40%;
  max-width: 360px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(10,45,94,0.06);
}
.inline-figure img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.inline-figure figcaption {
  font-size: 12px;
  color: var(--color-text-sub);
  padding: 8px 12px;
  line-height: 1.6;
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
}
.inline-figure--left { float: left; margin: 16px 24px 16px 0; }
.inline-figure--center { float: none; margin: 24px auto; width: 90%; max-width: 560px; }
.inline-figure--wide { float: none; margin: 24px auto; width: 100%; max-width: 720px; }
.section__inner::after { content: ""; display: block; clear: both; }

@media (max-width: 720px) {
  .inline-figure,
  .inline-figure--left,
  .inline-figure--center {
    float: none;
    width: 100%;
    max-width: none;
    margin: 18px 0;
  }
}

/* ---------- セクションの交互背景（ユーティリティ） ---------- */
.section--alt { background: var(--color-bg-soft); }
.section--tint {
  background: linear-gradient(180deg, rgba(212,160,23,0.04) 0%, rgba(255,255,255,1) 100%);
}

/* ---------- カード ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.card h3 {
  margin-top: 0;
  color: var(--color-primary);
  font-size: 18px;
}

/* ---------- ブログカード ---------- */
.blog-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  display: flex;
  flex-direction: column;
  transition: transform .15s ease, box-shadow .15s ease;
  text-decoration: none;
  color: inherit;
}
.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}
.blog-card__thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}
.blog-card__body {
  padding: 18px 20px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.blog-card__date {
  font-size: 12px;
  color: var(--color-text-sub);
  letter-spacing: .04em;
}
.blog-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
  line-height: 1.5;
}
.blog-card__excerpt {
  font-size: 13px;
  color: var(--color-text-sub);
  line-height: 1.7;
  margin: 0;
}

/* ---------- ブログ記事本文 ---------- */
.blog-article {
  max-width: 780px;
  margin: 0 auto;
}
.blog-article h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 10px;
}
.blog-article__meta {
  font-size: 13px;
  color: var(--color-text-sub);
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}
.blog-article p {
  line-height: 1.9;
  margin: 0 0 18px;
}
.blog-article h3 {
  font-size: 19px;
  color: var(--color-primary);
  margin: 36px 0 14px;
  padding-left: 14px;
  border-left: 4px solid var(--color-primary);
}
.blog-related {
  background: var(--color-bg-soft);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 48px;
}
.blog-related h4 {
  margin: 0 0 14px;
  color: var(--color-primary);
  font-size: 16px;
}
.blog-related ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.blog-related li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
}
.blog-related li:last-child { border-bottom: none; }
.blog-related a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}
.blog-related a:hover { text-decoration: underline; }

/* ---------- SVGアイコン ---------- */
.icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  line-height: 0;
}
.icon svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: currentColor;
}
.icon--xl { width: 72px; height: 72px; }
.icon--lg { width: 56px; height: 56px; }
.icon--md { width: 40px; height: 40px; }
.icon--sm { width: 28px; height: 28px; }
.icon--xs { width: 20px; height: 20px; }

.icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-accent-light);
  color: var(--color-primary);
  margin-bottom: 14px;
}
.icon-circle--xl { width: 88px; height: 88px; padding: 18px; }
.icon-circle--lg { width: 72px; height: 72px; padding: 14px; }
.icon-circle--md { width: 56px; height: 56px; padding: 12px; }

.icon-circle--accent { background: var(--color-accent); color: var(--color-primary-dark); }
.icon-circle--primary { background: var(--color-primary); color: #fff; }

/* お悩みリスト（縦1列・赤チェック左） */
.worry-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}
.worry-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  display: flex;
  gap: 18px;
  align-items: center;
}
.worry-card .icon {
  width: 44px;
  height: 44px;
  color: #e30613;
  background: #fff;
  border: 2px solid #e30613;
  padding: 8px;
  border-radius: 6px;
  box-sizing: border-box;
  flex-shrink: 0;
}
.worry-card p { margin: 0; line-height: 1.7; font-size: 16px; }

/* 2つの分野（中央アイコン+見出し+本文） */
.feature-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.feature-card .icon-circle {
  margin-left: auto;
  margin-right: auto;
}
.feature-card h3 {
  margin-top: 0;
  color: var(--color-primary);
  font-size: 20px;
}

/* ステップアイコン（手続きの流れ：控えめ） */
.step .step-icon {
  width: 56px;
  height: 56px;
  color: #2faa56;
  background: rgba(47,170,86,0.14);
  padding: 12px;
  border-radius: 50%;
  box-sizing: border-box;
  display: inline-block;
  margin-bottom: 12px;
}
/* 3つの条件（並列）：ネイビー番号バッジ＋ゴールドチェック・PC横並び3カラム */
.steps.steps--parallel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.steps--parallel .step {
  background: #fff;
  border: 1px solid var(--color-primary);
  border-radius: 4px;
  padding: 24px;
  display: grid;
  grid-template-columns: 80px 1fr;
  column-gap: 18px;
  row-gap: 10px;
  align-items: start;
  box-shadow: 0 2px 8px rgba(10,45,94,0.08);
  position: relative;
  counter-increment: parallel-step;
}
.steps.steps--parallel { counter-reset: parallel-step; }
.steps--parallel .step::before {
  content: "0" counter(parallel-step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--color-primary);
  color: var(--color-accent);
  border-radius: 4px;
  font-size: 36px;
  font-weight: 800;
  letter-spacing: 0.02em;
  grid-column: 1;
  grid-row: 1 / span 2;
  position: static;
  top: auto;
  left: auto;
  padding: 0;
}
.steps--parallel .step .step-icon {
  width: 22px;
  height: 22px;
  color: var(--color-accent);
  background: transparent;
  border: none;
  padding: 0;
  border-radius: 0;
  margin: 0 0 0 0;
  grid-column: 2;
  grid-row: 1;
  box-sizing: border-box;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}
.steps--parallel .step h3 {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  padding-left: 30px;
  align-self: center;
  font-size: 17px;
  line-height: 1.5;
  color: var(--color-primary);
  position: relative;
}
.steps--parallel .step h3 .step-icon {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}
.steps--parallel .step p {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
}
@media (max-width: 900px) {
  .steps.steps--parallel { grid-template-columns: 1fr; gap: 16px; }
  .steps--parallel .step { grid-template-columns: 64px 1fr; column-gap: 14px; padding: 20px; }
  .steps--parallel .step::before { width: 64px; height: 64px; font-size: 28px; }
  .steps--parallel .step h3 { font-size: 16px; padding-left: 26px; }
  .steps--parallel .step h3 .step-icon { width: 18px; height: 18px; }
}

/* お約束カード */
.promise-card {
  background: #fff;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(212,160,23,0.12);
}
.promise-card .icon-circle--accent {
  background: rgba(212,160,23,0.18);
  color: var(--color-primary);
}
.promise-card h3 {
  margin: 8px 0 12px;
  color: var(--color-primary);
  font-size: 19px;
}
.promise-card .icon-circle {
  margin-left: auto;
  margin-right: auto;
}

/* セクション見出しの横にアイコン */
.section h2 .icon {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
  margin-right: 10px;
}

/* ---------- 訴求ボックス ---------- */
.callout {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-primary);
  padding: 20px 24px;
  border-radius: var(--radius);
  margin: 24px 0;
}

/* ---------- ステップ ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
  counter-reset: step;
}
.step {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 20px;
  position: relative;
  padding-top: 76px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
.step .step-icon { margin-top: 8px; }
.step::before {
  counter-increment: step;
  content: "STEP " counter(step);
  position: absolute;
  top: 16px;
  left: 18px;
  background: var(--color-primary);
  color: #fff;
  font-size: 15px;
  padding: 5px 16px;
  border-radius: 99px;
  letter-spacing: 0.05em;
  font-weight: 700;
}
/* ステップ間の三角（横並び・PC）：右向き▶ */
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -28px;
  top: 50%;
  width: 0;
  height: 0;
  border-top: 18px solid transparent;
  border-bottom: 18px solid transparent;
  border-left: 24px solid var(--color-accent);
  transform: translateY(-50%);
  z-index: 2;
}
/* 並列条件は矢印を消す（順序ではないため）。番号バッジは表示する */
.steps--parallel .step::after { display: none !important; }
.steps--parallel .step { padding-top: 24px; }

/* スマホ時は下向き矢印 */
@media (max-width: 720px) {
  .steps { gap: 36px; }
  .step:not(:last-child)::after {
    right: 50%;
    top: auto;
    bottom: -28px;
    width: 0;
    height: 0;
    border-left: 18px solid transparent;
    border-right: 18px solid transparent;
    border-top: 24px solid var(--color-accent);
    border-bottom: none;
    transform: translateX(50%);
  }
}

/* ---------- テーブル ---------- */
.price-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  table-layout: fixed;
}
.price-table th,
.price-table td {
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
  word-break: normal;
  overflow-wrap: anywhere;
}
.price-table th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  width: 180px;
  white-space: nowrap;
}
.price-table tr:nth-child(even) td {
  background: var(--color-bg-soft);
}

/* ---------- お客様の声（1列レイアウト・全幅） ---------- */
.voice-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  width: 100%;
}
.voice {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  align-items: start;
  position: relative;
}
.voice::before {
  content: '';
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: #e8edf5;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Ccircle cx='32' cy='22' r='11' fill='%230a2d5e'/%3E%3Cpath d='M10 64 C10 46 20 38 32 38 C44 38 54 46 54 64 Z' fill='%230a2d5e'/%3E%3C/svg%3E");
  background-size: 70%;
  background-repeat: no-repeat;
  background-position: center 6px;
  grid-row: span 2;
  flex-shrink: 0;
}
.voice__meta {
  font-size: 13px;
  color: var(--color-text-sub);
  margin: 0 0 8px;
  font-weight: 600;
}
.voice__body {
  margin: 0;
  white-space: pre-wrap;
  grid-column: 2;
}
.voice__body::before {
  content: '「';
  color: var(--color-accent);
  font-weight: 700;
  margin-right: 2px;
}
.voice__body::after {
  content: '」';
  color: var(--color-accent);
  font-weight: 700;
  margin-left: 2px;
}
@media (max-width: 600px) {
  .voice {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 20px;
  }
  .voice::before {
    width: 44px;
    height: 44px;
    grid-row: auto;
  }
  .voice__meta,
  .voice__body {
    grid-column: 1;
  }
}

/* ---------- 重要告知 ---------- */
.notice {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 24px 0;
}
.notice strong { color: var(--color-primary); }

/* ---------- フッター ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: #cfd7e6;
  padding: 48px 20px 24px;
  font-size: 14px;
}
.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.site-footer__cols {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.site-footer h4 {
  color: #fff;
  margin: 0 0 12px;
  font-size: 15px;
}
.site-footer a { color: #cfd7e6; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 6px 0; }
.site-footer__copyright {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 16px;
  text-align: center;
  font-size: 12px;
}

/* ---------- はじめての方へ：ミニ解説 ---------- */
.intro-primer { padding: 48px 20px; }
.intro-primer__inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
  background: #fff;
  border-left: 4px solid var(--color-accent);
  padding: 28px 32px;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(10,45,94,0.06);
}
.intro-primer__inner h2 {
  text-align: center;
  font-size: 22px;
  margin: 0 0 18px;
  color: var(--color-primary);
}
.intro-primer__inner p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.9;
}
.intro-primer__inner p:last-child { margin-bottom: 0; }
.intro-primer__inner strong { color: var(--color-primary); font-weight: 700; }
@media (max-width: 720px) {
  .intro-primer { padding: 32px 14px; }
  .intro-primer__inner { padding: 22px 20px; }
  .intro-primer__inner h2 { font-size: 19px; }
  .intro-primer__inner p { font-size: 14px; }
}

/* ---------- はじめての方へ：代表紹介ミニブロック ---------- */
.intro-akutsu {
  display: flex;
  align-items: center;
  gap: 22px;
  max-width: 720px;
  margin: 24px auto 0;
  padding: 20px 24px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}
.intro-akutsu__photo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--color-accent);
}
.intro-akutsu__text h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--color-primary);
}
.intro-akutsu__text p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-sub);
}
@media (max-width: 720px) {
  .intro-akutsu { flex-direction: column; text-align: center; padding: 18px; }
  .intro-akutsu__photo { width: 84px; height: 84px; }
}

/* ---------- ページ導入ビジュアル（背景画像＋overlay） ---------- */
.page-visual {
  position: relative;
  padding: 60px 20px;
  color: #fff;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}
.page-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,45,94,0.72) 0%, rgba(6,26,58,0.85) 100%);
  z-index: 1;
}
.page-visual__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.page-visual h1 {
  font-size: 28px;
  margin: 0 0 8px;
  font-weight: 800;
}
.page-visual p {
  font-size: 15px;
  color: var(--color-accent-light);
  margin: 0;
}
@media (max-width: 720px) {
  .page-visual { padding: 40px 16px; }
  .page-visual h1 { font-size: 22px; }
}

/* ---------- 2チャネルCTA（LINE+フォーム） ---------- */
.cta-trio {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 560px;
  margin: 24px auto 0;
}
.cta-trio a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 16px 12px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 15px;
  color: #fff;
  text-align: center;
  line-height: 1.4;
  text-decoration: none;
}
.cta-trio a:hover { opacity: 0.92; text-decoration: none; }
.cta-trio .cta-line { background: var(--color-line); }
.cta-trio .cta-form { background: var(--color-cta); }
@media (max-width: 720px) {
  .cta-trio { grid-template-columns: 1fr; gap: 10px; }
  .cta-trio a { padding: 14px 12px; }
}

/* ---------- 大CTA ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 48px 20px;
  text-align: center;
}
.cta-band h2 {
  color: #fff;
  border-bottom: none;
  margin: 0 0 16px;
  font-size: 24px;
}
.cta-band .hero__cta { justify-content: center; }

/* ---------- 表示制御 ---------- */
.breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 20px;
  font-size: 13px;
  color: var(--color-text-sub);
}
.breadcrumb a { color: var(--color-text-sub); }

/* ---------- スマホ固定CTA（タップ率向上） ---------- */
.sp-fixed-cta {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  background: #fff;
  border-top: 1px solid var(--color-border);
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
  gap: 8px;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.08);
}
.sp-fixed-cta a {
  flex: 1;
  text-align: center;
  padding: 14px 8px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  color: #fff;
}
.sp-fixed-cta .btn-line { background: var(--color-line); }
.sp-fixed-cta .btn-mail { background: var(--color-cta); }

/* ---------- スマホハンバーガー ---------- */
.sp-menu-toggle {
  display: none;
  background: var(--color-primary);
  color: #fff;
  border: 0;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

/* ---------- スマホファースト：タブレット以下 ---------- */
@media (max-width: 900px) {
  body { font-size: 15px; line-height: 1.75; }

  .site-topbar { font-size: 11px; padding: 4px 0; }
  .site-topbar__inner { padding: 0 12px; justify-content: center; text-align: center; }
  .site-topbar__inner span:last-child { display: none; }

  .site-header__inner {
    padding: 10px 14px;
    gap: 8px;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
  }
  .site-logo {
    font-size: 15px;
    flex: 1 1 auto;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .site-logo small {
    font-size: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
  }

  /* スマホ時のナビ：ヘッダー下にドロップダウン表示（重ね合わせ） */
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    flex-direction: column;
    gap: 0;
    background: #fff;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--color-border);
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
    z-index: 60;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    font-size: 15px;
    color: var(--color-text);
    white-space: nowrap;
  }
  .site-nav a:last-child { border-bottom: 0; }
  .site-nav a:hover {
    background: var(--color-bg-soft);
    border-bottom-color: var(--color-border);
  }

  .sp-menu-toggle {
    display: inline-block;
    flex: 0 0 auto;
    white-space: nowrap;
    min-width: 72px;
  }
  .header-cta { display: none; }

  .hero { padding: 40px 18px 48px; }
  .hero h1 { font-size: 24px; line-height: 1.45; }
  .hero p { font-size: 15px; }
  .hero__cta { flex-direction: column; gap: 10px; }
  .hero__cta a { width: 100%; padding: 16px; font-size: 16px; }

  .section { padding: 40px 18px; }
  .section h2 {
    font-size: 22px;
    display: block;
    margin-bottom: 24px;
    padding-bottom: 10px;
  }
  .section h3 { font-size: 17px; }

  .card-grid { grid-template-columns: 1fr; gap: 14px; }
  .card { padding: 20px; }

  .steps { grid-template-columns: 1fr; gap: 12px; }
  .step { padding: 48px 18px 18px; }

  .price-table { table-layout: fixed; }
  .price-table th,
  .price-table td { padding: 10px 10px; font-size: 13px; }
  .price-table th { width: 130px; white-space: nowrap; }

  .cta-band { padding: 36px 18px; }
  .cta-band h2 { font-size: 20px; }
  .cta-band .hero__cta { flex-direction: column; }

  .site-footer { padding: 36px 18px 96px; font-size: 13px; }
  .site-footer__cols { grid-template-columns: 1fr; gap: 24px; margin-bottom: 24px; }

  .sp-fixed-cta { display: flex; }

  .breadcrumb { padding: 12px 18px; font-size: 12px; }
}

/* ---------- スマホ専用：小型端末 ---------- */
@media (max-width: 420px) {
  .hero h1 { font-size: 22px; }
  .section h2 { font-size: 20px; }
  .site-logo { font-size: 14px; }
}

/* ======================================================
   2026-04-16 追加：Hero単一CTA／時効ハイライト／
   チェックマーク型リスト／他との違い／吹き出し
   ====================================================== */

/* 時効ハイライト */
.hero h1 .hl-jikou {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-primary);
  padding: 4px 14px;
  margin: 0 4px;
  border-radius: 8px;
  font-style: normal;
  font-weight: 900;
  font-size: 1em;
  letter-spacing: 0.04em;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.15);
}

/* Hero CTA 単一ボタン */
.hero__cta--single { justify-content: center; margin-top: 28px; }
.hero__cta-primary {
  display: inline-block;
  background: var(--color-cta);
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  padding: 22px 44px;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.2);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  animation: heroPulse 2.4s ease-in-out infinite;
}
.hero__cta-primary:hover {
  background: var(--color-cta-hover);
  transform: translateY(-2px);
}
@keyframes heroPulse {
  0%, 100% { transform: translateY(0); box-shadow: 0 6px 0 rgba(0,0,0,0.2); }
  50%      { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(229, 90, 26, 0.45); }
}

.sp-only { display: none; }
@media (max-width: 600px) {
  .sp-only { display: inline; }
  .hero__cta-primary { font-size: 17px; padding: 18px 24px; width: 100%; text-align: center; }
}

/* ---------- チェックマーク型（3条件用） ---------- */
.checklist {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.check-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: #fff;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
.check-item .check-mark {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #22a06b;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.check-item .check-mark svg { width: 60%; height: 60%; }
.check-item__body { flex: 1; }
.check-item h3 {
  margin: 0 0 10px;
  color: var(--color-primary);
  font-size: 19px;
}
.check-item p {
  margin: 0;
  line-height: 1.8;
}
@media (max-width: 600px) {
  .check-item { padding: 18px; gap: 14px; }
  .check-item .check-mark { width: 36px; height: 36px; font-size: 22px; }
  .check-item h3 { font-size: 17px; }
}

/* ---------- チェック箇条書き（お悩み用） ---------- */
.check-bullets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px;
}
.check-bullet {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 22px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  line-height: 1.75;
}
.check-bullet .check-mark {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #d43a3a;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.check-bullet .check-mark svg { width: 65%; height: 65%; }
@media (max-width: 600px) {
  .check-bullets { grid-template-columns: 1fr; }
}

/* ---------- 他との違いカード ---------- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}
.diff-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
.diff-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.diff-card__icon svg {
  width: 100%;
  height: 100%;
}
.diff-card h3 {
  margin: 0 0 10px;
  color: var(--color-primary);
  font-size: 18px;
}
.diff-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  text-align: left;
}

/* ---------- 吹き出し ---------- */
.speech-bubble {
  position: relative;
  background: var(--color-accent-light);
  border: 2px solid var(--color-accent);
  border-radius: 14px;
  padding: 24px 28px;
  margin-top: 32px;
}
.speech-bubble::before,
.speech-bubble::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-style: solid;
}
.speech-bubble::before {
  top: -16px;
  border-width: 0 14px 16px 14px;
  border-color: transparent transparent var(--color-accent) transparent;
}
.speech-bubble::after {
  top: -12px;
  border-width: 0 12px 14px 12px;
  border-color: transparent transparent var(--color-accent-light) transparent;
}
.speech-bubble p { margin: 0 0 10px; line-height: 1.8; }
.speech-bubble p:last-child { margin-bottom: 0; }
.speech-bubble strong { color: var(--color-primary); font-size: 1.05em; }

/* ======== FAQ Accordion (faq.html) ======== */
.faq-list { margin-top: 24px; }
.faq-item {
  border: 1px solid #e5e8ec;
  border-radius: 8px;
  margin-bottom: 12px;
  background: #fff;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 18px 20px;
  background: #fff;
  font-weight: 700;
  list-style: none;
  position: relative;
  padding-right: 48px;
  color: var(--color-text-main);
  transition: background 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  line-height: 1;
}
.faq-item[open] summary {
  background: var(--color-primary);
  color: #fff;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-answer {
  padding: 16px 20px;
  background: #fafbfd;
  border-top: 1px solid #e5e8ec;
}
.faq-item .faq-answer p { margin: 0; line-height: 1.9; }
.faq-item .faq-answer p + p { margin-top: 12px; }

/* ======== Profile Figure (greeting.html) ======== */
.profile-figure {
  float: right;
  width: 200px;
  margin: 0 0 16px 24px;
  text-align: center;
}
.profile-figure img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 3px solid var(--color-primary);
  display: block;
}
.profile-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 700;
}
@media (max-width: 640px) {
  .profile-figure {
    float: none;
    width: 180px;
    margin: 0 auto 20px;
  }
}

/* ======== Voice List (service/case embedded) ======== */
.voice-list { margin-top: 48px; }
.voice-list h2 { margin-bottom: 20px; }

/* ======== Blog Article AIO Styles ======== */
.article-meta {
  font-size: 13px;
  color: var(--color-text-sub);
  margin: 0 0 24px;
  padding: 12px 16px;
  background: var(--color-bg-soft);
  border-radius: 6px;
  line-height: 1.8;
}
.article-conclusion {
  background: rgba(212, 160, 23, 0.08);
  border-left: 5px solid var(--color-accent);
  padding: 20px 24px;
  margin: 24px 0 32px;
  border-radius: 6px;
}
.article-conclusion strong {
  display: block;
  margin-bottom: 8px;
  color: var(--color-primary);
  font-size: 16px;
}
.article-conclusion p {
  margin: 0;
  line-height: 1.8;
}
.toc {
  background: var(--color-bg-soft);
  padding: 20px 24px;
  border-radius: 8px;
  margin: 32px 0;
}
.toc h3 {
  margin-top: 0;
  margin-bottom: 12px;
  border: none;
  background: none;
  padding: 0;
  font-size: 16px;
  color: var(--color-primary);
}
.toc ol {
  margin: 0 0 0 20px;
  padding: 0;
}
.toc li {
  margin: 6px 0;
  line-height: 1.6;
}
.toc a {
  color: var(--color-primary);
  text-decoration: none;
}
.toc a:hover { text-decoration: underline; }
.faq-list { margin: 16px 0 32px; }
.faq-item {
  border: 1px solid var(--color-border, #e0e0e0);
  border-radius: 6px;
  margin-bottom: 10px;
  background: #fff;
}
.faq-item summary {
  cursor: pointer;
  padding: 14px 18px;
  font-weight: 700;
  color: var(--color-primary);
  list-style: none;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--color-accent);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-answer {
  padding: 0 18px 16px;
  border-top: 1px solid var(--color-border, #eee);
  padding-top: 14px;
  margin-top: 4px;
}
.faq-item .faq-answer p {
  margin: 0;
  line-height: 1.9;
}

/* ======================================================
   AIチャットボット
   ====================================================== */

/* --- コンテナ --- */
.chat-container {
  max-width: 780px;
  margin: 28px auto 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-soft);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(10, 45, 94, 0.08);
}

/* --- メッセージ領域 --- */
.chat-messages {
  height: 480px;
  overflow-y: auto;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
}

/* --- 吹き出しラッパー --- */
.chat-bubble-wrap {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  max-width: 85%;
}
.chat-bubble-wrap--user {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.chat-bubble-wrap--bot {
  align-self: flex-start;
}

/* --- アバター（ボットのみ） --- */
.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* --- 吹き出し --- */
.chat-bubble {
  padding: 14px 18px;
  border-radius: 14px;
  line-height: 1.75;
  font-size: 15px;
  word-break: break-word;
}
.chat-bubble--user {
  background: var(--color-primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-bubble--bot {
  background: #fff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-bottom-left-radius: 4px;
}

/* --- 考え中インジケータ --- */
.chat-bubble--thinking {
  color: var(--color-text-sub);
  font-size: 14px;
}
.thinking-dots {
  display: inline-flex;
  gap: 4px;
  vertical-align: middle;
  margin-right: 6px;
}
.thinking-dots span {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: thinkingBounce 1.2s infinite;
}
.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes thinkingBounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40% { transform: translateY(-6px); opacity: 1; }
}

/* --- 入力エリア --- */
.chat-input-area {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  border-top: 1px solid var(--color-border);
  background: #fff;
  align-items: flex-end;
}
.chat-input {
  flex: 1;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 15px;
  font-family: var(--font-sans);
  line-height: 1.6;
  resize: none;
  min-height: 42px;
  max-height: 120px;
  outline: none;
  transition: border-color 0.2s;
}
.chat-input:focus {
  border-color: var(--color-primary);
}
.chat-input::placeholder {
  color: #aab2bf;
}

/* --- 送信ボタン --- */
.chat-send {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--color-cta);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.15s;
}
.chat-send:hover {
  background: var(--color-cta-hover);
  transform: scale(1.05);
}
.chat-send:disabled {
  background: #c0c4cc;
  cursor: not-allowed;
  transform: none;
}

/* --- スマホ対応 --- */
@media (max-width: 900px) {
  .chat-container {
    margin: 20px 0 0;
    border-radius: 6px;
  }
  .chat-messages {
    height: auto;
    min-height: 320px;
    max-height: 60vh;
    padding: 18px 14px;
  }
  .chat-bubble-wrap {
    max-width: 92%;
  }
  .chat-bubble {
    font-size: 14px;
    padding: 12px 14px;
  }
  .chat-input-area {
    padding: 10px 12px;
  }
  .chat-avatar {
    width: 30px;
    height: 30px;
  }
  .chat-avatar svg {
    width: 18px;
    height: 18px;
  }
}