/* ===== 基本設定（スマホを基準に作り、PCでは広げる） ===== */
:root {
  --color-main: #3a8fc7;      /* 空色 */
  --color-main-dark: #24668f;
  --color-accent: #f2a65a;    /* カフェ・商店街の温かみ */
  --color-bg: #f7fafc;
  --color-text: #2b2b2b;
  --color-sub: #666;
  --radius: 14px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-text-size-adjust: 100%;
}

/* ===== 本の見本であることの表示 ===== */
.sample-bar {
  background: #fff4d6;
  color: #5c4300;
  border-bottom: 1px solid #e0c36b;
  text-align: center;
  font-size: 14px;
  line-height: 1.6;
  padding: 10px 16px;
}

.sample-bar a,
.footer-sample a {
  color: var(--color-main-dark);
  font-weight: bold;
}

.sample-note {
  font-size: 14px;
  color: #5c4300;
  background: #fff4d6;
  border: 1px dashed #e0a800;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 16px;
}

.footer-sample {
  line-height: 1.8;
}

/* ===== ヘッダー ===== */
.hero {
  background: linear-gradient(160deg, #8fd0f2 0%, var(--color-main) 100%);
  color: #fff;
  text-align: center;
  padding: 56px 20px 48px;
}

.avatar {
  width: 96px;
  height: 96px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: #fff;
  color: var(--color-main);
  font-size: 24px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.hero-school {
  font-size: 14px;
  opacity: 0.95;
}

.hero-name {
  font-size: 32px;
  letter-spacing: 0.1em;
  line-height: 1.4;
  margin-top: 4px;
}

.hero-catch {
  margin-top: 24px;
  font-size: 18px;
  font-weight: bold;
}

/* ===== ページ内ナビ（スマホで押しやすい大きさ） ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.nav ul {
  display: flex;
  list-style: none;
  max-width: 720px;
  margin: 0 auto;
}

.nav li {
  flex: 1;
}

.nav a {
  display: block;
  padding: 14px 2px;
  text-align: center;
  font-size: 13px;
  font-weight: bold;
  color: var(--color-main-dark);
  text-decoration: none;
}

.nav a:hover,
.nav a:focus {
  background: #eef6fb;
}

/* ===== セクション共通 ===== */
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}

.section {
  padding: 40px 0 8px;
  scroll-margin-top: 56px; /* 固定ナビに隠れないように */
}

.section-title {
  font-size: 20px;
  margin-bottom: 20px;
  padding-left: 12px;
  border-left: 5px solid var(--color-main);
  line-height: 1.4;
}

/* ===== プロフィール ===== */
.profile-list {
  background: #fff;
  border-radius: var(--radius);
  padding: 8px 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.profile-row {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid #edf0f2;
}

.profile-row:last-child {
  border-bottom: none;
}

.profile-row dt {
  flex: 0 0 5em;
  color: var(--color-sub);
  font-size: 14px;
}

/* ===== 取り組みカード ===== */
.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.card-label {
  display: inline-block;
  font-size: 12px;
  font-weight: bold;
  color: #fff;
  background: var(--color-accent);
  padding: 2px 10px;
  border-radius: 999px;
}

.card-title {
  font-size: 17px;
  line-height: 1.5;
  margin: 10px 0 8px;
}

.card p:not(.card-label) {
  font-size: 15px;
}

/* ===== 志望 ===== */
.goal-box {
  background: #fff;
  border: 2px solid var(--color-main);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
}

.goal-main {
  font-size: 22px;
  font-weight: bold;
  color: var(--color-main-dark);
  line-height: 1.5;
}

.goal-sub {
  margin-top: 12px;
  font-size: 15px;
  color: var(--color-sub);
}

/* ===== お問い合わせ ===== */
.contact-lead {
  font-size: 15px;
  margin-bottom: 16px;
}

.contact-form {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.form-row {
  margin-bottom: 18px;
}

.form-row label {
  display: block;
  font-size: 15px;
  font-weight: bold;
  margin-bottom: 6px;
}

.required,
.optional {
  display: inline-block;
  font-size: 11px;
  font-weight: bold;
  padding: 0 8px;
  margin-left: 6px;
  border-radius: 4px;
  vertical-align: 2px;
}

.required {
  color: #fff;
  background: #d9534f;
}

.optional {
  color: var(--color-sub);
  background: #e9ecef;
}

.form-row input,
.form-row textarea {
  width: 100%;
  font: inherit;
  font-size: 16px; /* 16px未満だとiPhoneで入力時に画面が拡大されてしまう */
  padding: 12px;
  border: 1px solid #cfd6dc;
  border-radius: 8px;
  background: #fff;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-main);
  box-shadow: 0 0 0 3px rgba(58, 143, 199, 0.2);
}

.form-row textarea {
  resize: vertical;
}

/* テストモードの表示 */
.test-banner {
  font-size: 13px;
  font-weight: bold;
  color: #8a5a00;
  background: #fff4d6;
  border: 1px dashed #e0a800;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 18px;
}

/* 迷惑メール対策の隠し欄 */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-note {
  font-size: 13px;
  color: var(--color-sub);
  margin-bottom: 16px;
}

.submit-btn {
  display: block;
  width: 100%;
  padding: 14px;
  font: inherit;
  font-size: 16px;
  font-weight: bold;
  color: #fff;
  background: var(--color-main);
  border: none;
  border-radius: 999px;
  cursor: pointer;
}

.submit-btn:hover {
  background: var(--color-main-dark);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: wait;
}

.form-status {
  margin-top: 14px;
  font-size: 14px;
}

.form-status.success {
  color: #2e7d32;
}

.form-status.error {
  color: #c62828;
}

/* ===== フッター ===== */
.footer {
  text-align: center;
  font-size: 13px;
  color: var(--color-sub);
  padding: 48px 16px 32px;
}

/* スマホだけで改行 */
.sp-only {
  display: inline;
}

/* ===== PC・タブレット ===== */
@media (min-width: 600px) {
  .sp-only {
    display: none;
  }

  .hero {
    padding: 80px 20px 64px;
  }

  .hero-name {
    font-size: 40px;
  }

  .nav a {
    font-size: 15px;
  }

  .section {
    padding-top: 56px;
  }

  .card {
    padding: 24px 28px;
  }

  .contact-form {
    padding: 28px;
  }

  .submit-btn {
    width: auto;
    min-width: 240px;
    margin: 0 auto;
  }
}