/* アプリの親の画面と同じ色(生成り・深緑)で、スマホで縦に読むページにする */
:root {
  color-scheme: light;
  --bg: #f4efe6;
  --card: #fff;
  --line: #e3dacb;
  --text: #2f2a24;
  --sub: #6b6253;
  --green: #2f7d5b;
  --green-soft: #e3f1e9;
  font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  line-height: 1.75;
  -webkit-text-size-adjust: 100%;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 3px;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.site-name {
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
  text-decoration: none;
}

.site-head nav {
  display: flex;
  gap: 16px;
  font-size: 14px;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  color: var(--green);
  background: var(--green-soft);
  border-radius: 999px;
  padding: 3px 12px;
  margin: 12px 0 0;
}

h1 {
  font-size: clamp(28px, 7vw, 40px);
  line-height: 1.35;
  letter-spacing: -0.5px;
  margin: 14px 0 12px;
}

h2 {
  font-size: clamp(21px, 5vw, 26px);
  line-height: 1.45;
  margin: 0 0 14px;
}

h3 {
  font-size: 17px;
  line-height: 1.5;
  margin: 0 0 6px;
}

p {
  margin: 0 0 14px;
}

.lead {
  font-size: 17px;
  color: var(--sub);
}

section {
  padding: 48px 0 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  margin: 0 0 14px;
}

/* 端末の画面写真。iPad は横長、iPhone は縦長 */
.device {
  margin: 0;
  border: 10px solid #26231f;
  border-radius: 26px;
  overflow: hidden;
  background: #26231f;
  box-shadow: 0 10px 30px rgba(47, 42, 36, 0.18);
}

.device.phone {
  border-width: 8px;
  border-radius: 30px;
  max-width: 260px;
  margin: 0 auto;
}

.device img {
  border-radius: 14px;
}

.device.phone img {
  border-radius: 22px;
}

.caption {
  font-size: 13px;
  color: var(--sub);
  margin: 8px 0 0;
  text-align: center;
}

/* 準備中であることを冒頭ではっきり見せる帯 */
.notice {
  border: 2px solid var(--green);
  border-radius: 14px;
  background: #fff;
  padding: 12px 16px;
  margin: 18px 0 14px;
  font-size: 15px;
}

.notice b {
  color: var(--green);
}

.button {
  display: block;
  width: 100%;
  text-align: center;
  font: inherit;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  background: var(--green);
  border: none;
  border-radius: 14px;
  padding: 16px 20px;
  text-decoration: none;
  cursor: pointer;
}

.button.secondary {
  color: var(--green);
  background: #fff;
  border: 2px solid var(--green);
}

.button:disabled {
  opacity: 0.5;
}

.button-note {
  font-size: 13px;
  color: var(--sub);
  text-align: center;
  margin: 8px 0 0;
}

/* 2台の役割。画面の写真と説明を1行ずつ */
.role {
  display: grid;
  grid-template-columns: 40% 1fr;
  gap: 18px;
  align-items: center;
}

.role p {
  font-size: 15px;
  margin: 0;
}

.role .device {
  border-width: 6px;
  border-radius: 16px;
}

.role .device.phone {
  border-radius: 22px;
  max-width: 150px;
}

.role .device img {
  border-radius: 10px;
}

.role .device.phone img {
  border-radius: 16px;
}

.label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: var(--green);
  border-radius: 6px;
  padding: 1px 8px;
  margin-bottom: 6px;
}

.list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.list li {
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.list li:first-child {
  border-top: none;
  padding-top: 0;
}

.list li:last-child {
  padding-bottom: 0;
}

.list b {
  display: block;
}

.list span {
  color: var(--sub);
  font-size: 15px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.chips li {
  font-size: 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
}

.levels {
  display: grid;
  gap: 14px;
}

.levels figure {
  margin: 0;
}

.levels img {
  border-radius: 12px;
}

.levels figcaption {
  font-size: 15px;
  margin-top: 6px;
}

.levels figcaption b {
  margin-right: 6px;
}

/* 質問の例 */
.q {
  border-top: 1px solid var(--line);
  padding: 12px 0;
}

.q:first-of-type {
  border-top: none;
  padding-top: 4px;
}

.q-text {
  font-size: 17px;
}

.q-hint {
  font-size: 14px;
  color: var(--sub);
}

.sample-card {
  border-radius: 10px;
  border: 1px solid var(--line);
  margin: 6px 0 8px;
}

/* よくある質問 */
details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 18px;
  margin: 0 0 10px;
}

summary {
  font-weight: 700;
  cursor: pointer;
}

details p {
  margin: 10px 0 0;
  color: var(--sub);
}

/* お知らせの登録 */
.form label {
  display: block;
  font-weight: 700;
  font-size: 15px;
  margin: 0 0 6px;
}

.form .optional {
  font-weight: 400;
  color: var(--sub);
  font-size: 13px;
  margin-left: 4px;
}

.form input[type='email'],
.form select,
.form textarea {
  display: block;
  width: 100%;
  font: inherit;
  font-size: 16px;
  color: var(--text);
  background: #fff;
  border: 1px solid #cbbfa9;
  border-radius: 10px;
  padding: 12px;
  margin: 0 0 16px;
}

.form textarea {
  min-height: 84px;
  resize: vertical;
}

/* ボット避けの入力欄。人には見えない */
.form .trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-message {
  margin: 12px 0 0;
  font-size: 15px;
}

.form-message.ok {
  color: var(--green);
  font-weight: 700;
}

.form-message.error {
  color: #b3401d;
}

/* 使い方の手順 */
.steps {
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
}

.steps > li {
  counter-increment: step;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  margin: 0 0 14px;
}

.steps > li h3::before {
  content: counter(step);
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 15px;
}

.steps .shot {
  margin: 14px 0 4px;
}

.say {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  margin: 10px 0 0;
  font-size: 15px;
}

.say dt {
  font-weight: 700;
}

.say dd {
  margin: 0;
  color: var(--sub);
}

/* プライバシーポリシーなどの文章 */
.doc h2 {
  font-size: 19px;
  margin-top: 28px;
}

.doc ul {
  padding-left: 1.2em;
}

.site-foot {
  padding-top: 32px;
  padding-bottom: calc(40px + env(safe-area-inset-bottom));
  font-size: 13px;
  color: var(--sub);
}

.site-foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-bottom: 10px;
}

@media (min-width: 640px) {
  .levels {
    grid-template-columns: 1fr 1fr;
  }
}

/* 質問例のページ。話題の見出しの下に質問を続ける */
.q-topic {
  font-size: 14px;
  color: var(--green);
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin: 12px 0 0;
}

.q-topic:first-child {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.q-topic + .q {
  border-top: none;
  padding-top: 2px;
}

/* トップのはじめ方。番号と短い説明を、画面の写真の上に並べる */
.start {
  display: grid;
  gap: 14px;
}

.start figure {
  margin: 10px 0 0;
}

@media (min-width: 640px) {
  .start.two {
    grid-template-columns: 1fr 1fr;
  }
}

/* .wrap の左右の余白指定が section の上の余白を消してしまうので、ここで戻す */
section.wrap {
  padding-top: 40px;
}