:root {
  --bg: #fcf4ee;
  --surface: #ffffff;
  --coral: #f5836b;
  --coral-deep: #e2654b;
  --coral-soft: #fde4dc;
  --green: #7cb79b;
  --green-soft: #e6f1eb;
  --amber: #e3b04b;
  --amber-soft: #fbefd6;
  --text: #2b2724;
  --text-2: #6f655f;
  --text-3: #9a908a;
  --line: #f0e2da;
  --shadow: 0 10px 30px rgba(226, 101, 75, 0.12);
  --radius: 22px;
  --max: 1080px;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.02em;
}

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

a {
  color: var(--coral-deep);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--coral);
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ヘッダー */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(252, 244, 238, 0.88);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}

.site-nav {
  display: flex;
  gap: 20px;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  color: var(--text-2);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--coral-deep);
}

/* ボタン */

.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  background: var(--text);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(43, 39, 36, 0.18);
  transition: transform 0.15s ease;
}

.button:hover {
  color: #fff;
  transform: translateY(-2px);
}

.button svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.button small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  line-height: 1.2;
  opacity: 0.8;
}

.button span {
  line-height: 1.25;
}

/* ヒーロー */

.hero {
  padding: 56px 0 72px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
}

.hero-icon {
  width: 88px;
  height: 88px;
  border-radius: 22px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--coral-soft);
  color: var(--coral-deep);
  font-size: 13px;
  font-weight: 700;
}

.hero h1 {
  margin: 0 0 20px;
  font-size: clamp(32px, 5.2vw, 52px);
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.hero h1 em {
  font-style: normal;
  color: var(--coral);
}

.hero .lead {
  margin: 0 0 32px;
  color: var(--text-2);
  font-size: 17px;
}

.hero-note {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--text-3);
}

.hero-shot {
  justify-self: center;
  width: min(100%, 340px);
}

/* セクション */

section {
  padding: 72px 0;
}

.section-title {
  margin: 0 0 12px;
  text-align: center;
  font-size: clamp(24px, 3.6vw, 32px);
  line-height: 1.4;
}

.section-lead {
  max-width: 640px;
  margin: 0 auto 44px;
  text-align: center;
  color: var(--text-2);
}

.alt {
  background: var(--surface);
}

/* 特長 */

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature {
  padding: 28px 24px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature img {
  width: 52px;
  height: 52px;
  margin-bottom: 14px;
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.5;
}

.feature p {
  margin: 0;
  color: var(--text-2);
  font-size: 15px;
}

/* スクリーンショット */

.gallery {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 8px 20px 24px;
  margin: 0 -20px;
  scrollbar-width: thin;
}

.gallery figure {
  flex: 0 0 auto;
  width: 230px;
  margin: 0;
  scroll-snap-align: center;
}

.gallery img {
  width: 100%;
  border-radius: 20px;
  box-shadow: var(--shadow);
  background: var(--bg);
}

/* 安心ポイント */

.points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.point {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--bg);
  border-radius: var(--radius);
}

.point-mark {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--green-soft);
  color: var(--green);
  font-weight: 700;
  font-size: 20px;
}

.point h3 {
  margin: 0 0 6px;
  font-size: 17px;
}

.point p {
  margin: 0;
  font-size: 15px;
  color: var(--text-2);
}

/* 締め */

.cta {
  text-align: center;
}

.cta img {
  width: 96px;
  height: 96px;
  margin: 0 auto 20px;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.credit {
  margin-top: 40px;
  font-size: 13px;
  color: var(--text-3);
}

/* 文書ページ（プライバシーポリシー・利用規約・サポート） */

.doc {
  padding: 48px 0 80px;
}

.doc .container {
  max-width: 780px;
}

.doc-card {
  padding: 48px 52px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.doc h1 {
  margin: 0 0 8px;
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1.4;
}

.doc .meta {
  margin: 0 0 32px;
  color: var(--text-3);
  font-size: 14px;
}

.doc h2 {
  margin: 44px 0 12px;
  padding-left: 14px;
  border-left: 5px solid var(--coral);
  font-size: 20px;
  line-height: 1.5;
}

.doc h3 {
  margin: 28px 0 8px;
  font-size: 17px;
}

.doc p,
.doc li {
  color: var(--text);
}

.doc ul,
.doc ol {
  padding-left: 1.4em;
}

.doc li + li {
  margin-top: 4px;
}

.summary {
  margin: 0 0 8px;
  padding: 20px 24px;
  background: var(--green-soft);
  border-radius: 16px;
}

.summary h2 {
  margin: 0 0 8px;
  padding: 0;
  border: none;
  font-size: 16px;
}

.summary ul {
  margin: 0;
}

.table-wrap {
  overflow-x: auto;
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.doc th,
.doc td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.doc th {
  background: var(--bg);
  white-space: nowrap;
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}

.faq summary {
  cursor: pointer;
  padding: 14px 4px;
  font-weight: 700;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::before {
  content: "Q.";
  margin-right: 8px;
  color: var(--coral);
}

.faq details > div {
  padding: 0 4px 12px 30px;
}

.faq details > div > :first-child {
  margin-top: 0;
}

.contact {
  margin: 16px 0;
  padding: 20px 24px;
  background: var(--amber-soft);
  border-radius: 16px;
  font-size: 17px;
  font-weight: 700;
  word-break: break-all;
}

/* フッター */

.site-footer {
  padding: 40px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--text-3);
  font-size: 13px;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer-links a {
  color: var(--text-2);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--coral-deep);
}

/* スマホ */

@media (max-width: 860px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-icon {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-shot {
    width: min(80%, 300px);
  }

  .features {
    grid-template-columns: 1fr;
  }

  .points {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 15px;
  }

  .container {
    padding: 0 16px;
  }

  .site-nav {
    gap: 14px;
    font-size: 13px;
  }

  .site-nav .nav-optional {
    display: none;
  }

  .hero {
    padding: 32px 0 48px;
  }

  section {
    padding: 56px 0;
  }

  .gallery {
    padding: 8px 16px 24px;
    margin: 0 -16px;
  }

  .gallery figure {
    width: 200px;
  }

  .doc {
    padding: 24px 0 56px;
  }

  .doc-card {
    padding: 28px 20px;
    border-radius: 18px;
  }
}