/*
 * 紹介サイトの共通スタイル。docs/design/Mofune Site.dc.html の 1b パネルが正。
 * フォントは同梱の woff2 のみを使う。外部CDNへ接続すると、訪問者のIPが
 * 第三者に渡り「預けない」という主張と矛盾する。
 */

@font-face {
  font-family: 'Zen Maru Gothic';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/zen-maru-gothic-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Zen Maru Gothic';
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url('../fonts/zen-maru-gothic-900.woff2') format('woff2');
}
@font-face {
  font-family: 'Noto Sans JP';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/noto-sans-jp-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Noto Sans JP';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/noto-sans-jp-700.woff2') format('woff2');
}

:root {
  --paper: #efe8dc;
  --card: #ffffff;
  --cream: #fbf7f0;
  --sand: #f7f1e6;
  --sand-deep: #f2e7d6;
  --ink: #3b322a;
  --ink-2: #5c5145;
  --muted: #8b7f70;
  --faint: #b7a992;
  --line: #ede3d3;
  --amber: #e8a03c;
  --amber-ink: #a87c3a;
  --terracotta: #d9703f;
  --green: #7fa37a;
  --shadow: 0 24px 48px -32px rgba(59, 50, 42, 0.35);
  --round: 20px;
  --round-lg: 28px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Noto Sans JP', system-ui, -apple-system, 'Hiragino Kaku Gothic ProN', sans-serif;
  font-size: 15px;
  line-height: 1.9;
  word-break: auto-phrase;
  line-break: strict;
  text-wrap: pretty;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
.brand,
.stat {
  font-family: 'Zen Maru Gothic', 'Hiragino Maru Gothic ProN', 'Noto Sans JP', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.45;
  margin: 0;
}

p {
  margin: 0;
}

a {
  color: var(--terracotta);
  text-decoration: none;
}

a:hover {
  color: #b4552a;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
  border-radius: 6px;
}

img,
svg {
  max-width: 100%;
}

/* ---------- 共通の部品 ---------- */

.wrap {
  width: min(1080px, 100% - 2.5rem);
  margin-inline: auto;
}

.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--amber-ink);
  text-transform: uppercase;
}

.section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  font-size: clamp(1.5rem, 4.2vw, 2.15rem);
}

.section-head .lead {
  color: var(--ink-2);
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--round);
  padding: 1.6rem;
}

.grid {
  display: grid;
  gap: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  cursor: pointer;
}

.btn-primary {
  background: var(--amber);
  color: #fff;
}

.btn-primary:hover {
  background: #d78f2d;
  color: #fff;
}

.btn-ghost {
  background: var(--cream);
  border-color: var(--line);
  color: var(--ink);
}

.btn-ghost:hover {
  background: #fff;
  color: var(--ink);
}

/* ---------- ヘッダー ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(251, 247, 240, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 68px;
  padding-block: 0.6rem;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 20px;
  font-weight: 900;
  color: var(--ink);
}

.brand .mark {
  width: 38px;
  height: 36px;
  flex: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  margin-left: auto;
  flex-wrap: wrap;
  font-size: 14px;
  font-weight: 500;
}

.site-nav a {
  color: var(--ink-2);
}

.site-nav a:hover {
  color: var(--terracotta);
}

.site-nav .btn {
  padding: 0.55rem 1.15rem;
  font-size: 14px;
}

/* ---------- ヒーロー ---------- */

.hero {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 7vw, 5rem);
}

.hero .wrap {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  grid-template-columns: 1fr;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 6.2vw, 3.1rem);
  font-weight: 900;
  letter-spacing: 0.01em;
  margin: 0.75rem 0 1rem;
}

.hero .lead {
  color: var(--ink-2);
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  margin-top: 1.25rem;
  font-size: 12.5px;
  color: var(--muted);
}

.chips li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
}

.chips li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.chips {
  padding: 0;
  margin-inline: 0;
}

/* 端末のモック */

.mock {
  justify-self: center;
  width: min(300px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--round-lg);
  box-shadow: var(--shadow);
  padding: 1.1rem;
  display: grid;
  gap: 0.75rem;
}

.mock-title {
  font-weight: 700;
  font-size: 15px;
}

.mock-meta {
  font-size: 11.5px;
  color: var(--faint);
}

.mock-note {
  background: var(--sand);
  border-radius: 16px;
  padding: 0.85rem 1rem;
  font-size: 13.5px;
  line-height: 1.7;
}

.mock-form {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.85rem 1rem;
  display: grid;
  gap: 0.6rem;
}

.mock-form .label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--amber-ink);
}

.mock-form .q {
  font-size: 13.5px;
  font-weight: 700;
}

.mock-choices {
  display: flex;
  gap: 0.5rem;
}

.mock-choices span {
  flex: 1;
  text-align: center;
  font-size: 12.5px;
  padding: 0.35rem 0;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
}

.mock-choices span:first-child {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
  font-weight: 700;
}

.mock-mascot {
  justify-self: center;
  width: 96px;
}

/* ---------- WHY ---------- */

.why {
  background: var(--cream);
  border-block: 1px solid var(--line);
}

.why-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.why-grid h3 {
  font-size: 18px;
  margin-bottom: 0.4rem;
}

.why-grid p {
  color: var(--ink-2);
  font-size: 14px;
}

/* ---------- できること ---------- */

.features {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.feature {
  text-align: center;
  display: grid;
  gap: 0.35rem;
  justify-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.5rem 1.25rem 1.75rem;
}

.feature svg {
  width: 88px;
  height: 84px;
}

.feature h3 {
  font-size: 17px;
}

.feature p {
  color: var(--ink-2);
  font-size: 14px;
}

/* ---------- 安心のしくみ ---------- */

.security {
  background: var(--ink);
  color: var(--sand);
  border-radius: var(--round-lg);
  padding: clamp(2rem, 5vw, 3.25rem);
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

.security h2 {
  color: #fff;
  font-size: clamp(1.5rem, 4.2vw, 2.15rem);
}

.security .eyebrow {
  color: var(--amber);
}

.security p {
  color: #ded3c2;
}

.security ul {
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  font-size: 14px;
}

.security li {
  list-style: none;
  display: flex;
  gap: 0.6rem;
  color: #ede3d3;
}

.security li::before {
  content: '·';
  color: var(--amber);
  font-weight: 700;
}

.flow {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
  align-content: start;
}

.flow-step {
  background: rgba(247, 241, 230, 0.07);
  border: 1px solid rgba(237, 227, 211, 0.18);
  border-radius: 18px;
  padding: 1rem 1.1rem;
}

.flow-step .who {
  font-weight: 700;
  color: #fff;
  font-size: 14.5px;
}

.flow-step .what {
  font-size: 12.5px;
  color: #c9b79a;
}

.flow-arrow {
  text-align: center;
  color: var(--amber);
  font-size: 13px;
}

/* ---------- はじめかた ---------- */

.steps {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.5rem;
}

.step .num {
  font-family: 'Zen Maru Gothic', system-ui, sans-serif;
  font-size: 30px;
  font-weight: 900;
  color: var(--amber);
  line-height: 1.2;
}

.step h3 {
  font-size: 17px;
  margin: 0.25rem 0 0.4rem;
}

.step p {
  color: var(--ink-2);
  font-size: 14px;
}

/* ---------- FAQ ---------- */

.faq {
  display: grid;
  gap: 0.75rem;
}

.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 0 1.35rem;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 0;
  font-weight: 700;
  font-size: 15px;
}

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

.faq summary::after {
  content: '+';
  color: var(--amber);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}

.faq details[open] summary::after {
  content: '−';
}

.faq .answer {
  padding: 0 0 1.35rem;
  color: var(--ink-2);
  font-size: 14px;
}

/* ---------- 仕組み ---------- */

.how {
  background: var(--sand);
  border-block: 1px solid var(--line);
}

.how-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  align-items: stretch;
}

.how-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.5rem;
  display: grid;
  gap: 0.4rem;
  align-content: start;
}

.how-card .num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--amber-ink);
}

.how-card h3 {
  font-size: 16px;
}

.how-card p {
  font-size: 13.5px;
  color: var(--ink-2);
}

.store-list {
  margin: 0.35rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.store-list li {
  list-style: none;
  background: var(--sand-deep);
  border-radius: 10px;
  padding: 0.25rem 0.7rem;
  font-size: 12px;
  font-weight: 500;
}

.optional {
  margin-top: 1.25rem;
  background: repeating-linear-gradient(135deg, #e7dcc9 0 6px, #efe6d6 6px 12px);
  border-radius: 22px;
  padding: 1.4rem 1.5rem;
}

.optional h3 {
  font-size: 15px;
}

.optional p {
  font-size: 13.5px;
  color: var(--ink-2);
}

/* ---------- CTA ---------- */

.cta {
  text-align: center;
  display: grid;
  gap: 1rem;
  justify-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--round-lg);
  padding: clamp(2.25rem, 6vw, 3.5rem) 1.5rem;
}

.cta h2 {
  font-size: clamp(1.4rem, 4.2vw, 2rem);
}

.cta p {
  color: var(--ink-2);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* ---------- フッター ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--cream);
  padding: 2.25rem 0 3rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}

.site-footer nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 13.5px;
}

.site-footer nav a {
  color: var(--ink-2);
}

.site-footer .copy {
  width: 100%;
  font-size: 12px;
  color: var(--faint);
}

/* ---------- 本文ページ (プライバシー・手順書) ---------- */

.doc {
  padding: clamp(2.5rem, 6vw, 4rem) 0 5rem;
}

.doc h1 {
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  font-weight: 900;
}

.doc .updated {
  color: var(--muted);
  font-size: 13px;
  margin-top: 0.5rem;
}

.doc h2 {
  font-size: clamp(1.2rem, 3.4vw, 1.5rem);
  margin-top: 2.75rem;
}

.doc h3 {
  font-size: 1.05rem;
  margin-top: 1.75rem;
}

.doc p,
.doc li {
  color: var(--ink-2);
}

.doc p {
  margin-top: 0.9rem;
}

.doc ul,
.doc ol {
  margin-top: 0.9rem;
  padding-left: 1.35rem;
  display: grid;
  gap: 0.35rem;
}

.doc table {
  margin-top: 1rem;
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--round);
  overflow: hidden;
}

.doc th,
.doc td {
  text-align: left;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--line);
}

.doc th {
  background: var(--sand);
  font-weight: 700;
  color: var(--ink);
}

.doc tr:last-child td {
  border-bottom: none;
}

.doc .table-scroll {
  overflow-x: auto;
}

.callout {
  margin-top: 1.25rem;
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.1rem 1.35rem;
  font-size: 14px;
}

.callout strong {
  color: var(--ink);
}

/* ---------- 動き ---------- */

@keyframes mofune-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-9px);
  }
}

.float {
  animation: mofune-float 3.6s ease-in-out infinite;
}

/* 動きを減らす設定の端末では止める(デザイン 1a の指示) */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .float {
    animation: none;
  }
}

/* ---------- 広い画面 ---------- */

@media (min-width: 820px) {
  .hero .wrap {
    grid-template-columns: 1.15fr 0.85fr;
  }
  .security {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }
}