@charset "UTF-8";

/* --- Variables (Theme Colors) --- */
:root {
    --color-primary: #004085;      /* 信頼のネイビー */
    --color-primary-light: #e6f0ff;
    --color-secondary: #0056b3;    /* 明るめの青 */
    --color-accent: #28a745;       /* 成長・正解の緑 */
    --color-highlight: #ffc107;    /* 注意・アクションの黄色 */
    --color-text-main: #333333;
    --color-text-sub: #666666;
    --color-bg-body: #ffffff;
    --color-bg-light: #f8f9fa;
    --font-family-base: "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
}

/* --- Global Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-family-base);
    color: var(--color-text-main);
    background-color: var(--color-bg-body);
    line-height: 1.8;
}

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

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

a:hover {
    text-decoration: underline;
}

ul {
    padding-left: 1.4rem;
}

/* --- Layout Utility --- */
.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Typography & Buttons --- */
h1, h2, h3 {
    margin-top: 0;
    line-height: 1.4;
}

.text-highlight {
    background: linear-gradient(transparent 70%, #fff3cd 70%);
    font-weight: bold;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: bold;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.btn-primary {
    background-color: var(--color-secondary);
    color: #fff;
    box-shadow: 0 3px 8px rgba(0, 86, 179, 0.25);
}

.btn-primary:hover {
    background-color: #004494;
    text-decoration: none;
}

.btn-outline {
    background-color: #fff;
    color: var(--color-secondary);
    border: 1px solid var(--color-secondary);
}

.btn-outline:hover {
    background-color: #f0f6ff;
}

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

.btn-accent:hover {
    background-color: #2a9240;
}

/* --- Header & Navigation --- */
.site-header {
    background-color: #fff;
    border-bottom: 1px solid #eee;
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.logo {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    font-size: 1.4rem;
}

/* ★ ナビの「・」を消す＆余白リセット（ここだけオリジナルに追加） */
.main-nav ul {
    display: flex;
    gap: 20px;
    justify-content: flex-end;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav a {
    color: var(--color-text-main);
    font-weight: 500;
    font-size: 0.95rem;
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.main-nav a:hover {
    border-bottom-color: var(--color-secondary);
    text-decoration: none;
}

.main-nav a.active {
    border-bottom-color: var(--color-secondary);
}

/* --- Hero Section --- */
.hero-section {
    background-color: var(--color-primary-light);
    padding: 60px 0 80px;
    overflow: hidden;
}

.hero-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    background-color: #fff;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 15px;
}

.hero-section h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.hero-section h1 .subtitle {
    display: block;
    font-size: 1.2rem;
    color: var(--color-text-sub);
    font-weight: 500;
    margin-top: 6px;
}

.hero-lead {
    font-size: 0.98rem;
    color: var(--color-text-sub);
    margin-bottom: 18px;
}

.hero-features {
    margin: 0 0 20px;
    padding-left: 1.2rem;
    color: var(--color-text-sub);
}

.hero-features li {
    margin-bottom: 4px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.hero-buttons .btn{
    text-align: center;
}

.hero-buttons .btn-lg {
    padding: 12px 26px;
    font-size: 1rem;
}

.hero-visual {
    flex: 1;
    min-width: 260px;
    display: flex;
    justify-content: center;
}

.hero-image {
    width: 100%;
    max-width: 420px;
    border-radius: 16px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.15);
}

/* --- Sections Common --- */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.section-header p {
    margin: 0;
    color: var(--color-text-sub);
}

/* --- Roadmap Section --- */
.roadmap-section {
    background-color: #fff;
}

.roadmap-flow {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.roadmap-card {
    background-color: #fff;
    border-radius: 12px;
    padding: 20px 22px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.04);
    flex: 1;
    min-width: 220px;
    max-width: 260px;
    border-top: 3px solid var(--color-secondary);
    position: relative;
}

.roadmap-card.goal-card {
    border-top-color: var(--color-accent);
}

.roadmap-card .step-badge {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--color-secondary);
    background-color: #e6f0ff;
    padding: 4px 8px;
    border-radius: 12px;
    margin-bottom: 6px;
}

.roadmap-card h3 {
    font-size: 1.05rem;
    margin-bottom: 6px;
    color: var(--color-primary);
}

.roadmap-card p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-sub);
}

.step-icon {
    position: absolute;
    right: 16px;
    top: 16px;
    font-size: 1.2rem;
}

/* --- Entry Section --- */
.entry-section {
    background-color: var(--color-bg-light);
}

.entry-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.entry-card {
    background-color: #fff;
    border-radius: 12px;
    padding: 18px 20px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    border-left: 4px solid transparent;
}

.entry-card.level-beginner {
    border-left-color: var(--color-accent);
}

.entry-card.level-basic {
    border-left-color: #17a2b8;
}

.entry-card.level-apply {
    border-left-color: var(--color-secondary);
}

.entry-card.level-case {
    border-left-color: var(--color-highlight);
}

.card-label {
    font-size: 0.8rem;
    color: var(--color-text-sub);
}

.entry-card h3 {
    font-size: 1.05rem;
    margin: 0;
    color: var(--color-primary);
}

.card-desc {
    font-size: 0.9rem;
    color: var(--color-text-sub);
    margin: 0 0 8px;
}

.card-features {
    margin: 0 0 12px;
    padding-left: 1.2rem;
    font-size: 0.88rem;
    color: var(--color-text-sub);
}

.btn-full {
    width: 100%;
    text-align: center;
    margin-top: auto;
}

/* --- Footer --- */
.site-footer {
    background-color: #111827;
    color: #9ca3af;
    padding: 30px 0;
    font-size: 0.85rem;
}

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

.footer-logo {
    font-weight: bold;
    color: #e5e7eb;
}

.disclaimer {
    margin: 0;
    font-size: 0.8rem;
    color: #9ca3af;
}

.copyright {
    margin: 4px 0 0;
}

/* --- Content Header (guide.html, mastery.html) --- */
.content-header {
    background-color: var(--color-primary-light);
    padding: 40px 0 30px;
    border-bottom: 1px solid #e2e8f0;
}

.content-header-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.content-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.content-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-sub);
}

/* --- Content Body --- */
.content-main {
    max-width: 900px;
    margin: 0 auto;
    padding: 30px 20px 60px;
    background-color: #fff;
}

.content-main section {
    margin-bottom: 40px;
}

.content-main h2 {
    font-size: 1.5rem;
    border-left: 4px solid var(--color-secondary);
    padding-left: 10px;
    margin-bottom: 12px;
    color: var(--color-primary);
}

.content-main h3 {
    font-size: 1.1rem;
    margin-top: 20px;
    margin-bottom: 8px;
    color: var(--color-primary);
}

.content-main p {
    margin-bottom: 12px;
    color: var(--color-text-main);
}

.content-main ul {
    margin-bottom: 14px;
}

/* --- Mastery Specific --- */
.mastery-lead {
    font-size: 0.98rem;
    color: var(--color-text-sub);
    margin-bottom: 20px;
}

/* =========================================
   クイズページ用スタイル
   ========================================= */

.quiz-wrapper {
    display: flex;
    justify-content: center;
    width: 100%;
    padding: 20px 0;
}

.quiz-card {
    width: 100%;
    max-width: 700px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
    padding: 30px 40px;
    box-sizing: border-box;
    position: relative;
}

.quiz-header {
    margin-bottom: 18px;
}

.quiz-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0 0 4px;
}

.quiz-subtitle {
    font-size: 0.9rem;
    color: var(--color-text-sub);
    margin: 0;
}

.quiz-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--color-text-sub);
}

.quiz-meta-right {
    display: flex;
    gap: 8px;
}

.quiz-tag {
    background: #eef4ff;
    color: #1d4ed8;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.75rem;
}

.quiz-progress {
    height: 6px;
    background: #edf2f7;
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 20px;
}

.quiz-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #22c55e);
    width: 0%;
    transition: width 0.3s ease;
}

/* 問題文エリア */
.quiz-question-text {
    position: relative;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.9;
    margin-bottom: 20px;
    color: var(--color-text-main);
    white-space: pre-line;
    letter-spacing: 0.02em;
    background: #fdf8ea;
    border-left: 4px solid #f0b429;
    border-radius: 10px;
    padding: 12px 14px;
}

/* 選択肢リスト */
.quiz-choices {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.quiz-choice {
    border-radius: 10px;
    border: 1px solid #e5e7eb;
    padding: 10px 12px;
    cursor: pointer;
    background: #fff;
    display: flex;
    gap: 8px;
    align-items: flex-start;
    transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
    font-size: 0.95rem;
}

.quiz-choice:hover {
    background: #f9fafb;
    border-color: #93c5fd;
    box-shadow: 0 4px 10px rgba(148, 163, 184, 0.25);
}

.quiz-choice-label {
    font-weight: 700;
    color: #6b7280;
}

.quiz-choice-text {
    flex: 1;
    color: var(--color-text-main);
}

/* 正解/不正解の状態 */
.quiz-choice.correct {
    border-color: #22c55e;
    background: #ecfdf3;
}

.quiz-choice.incorrect {
    border-color: #f97373;
    background: #fef2f2;
}

/* 解説エリア */
.quiz-explanation {
    margin-top: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    background: #f8fafc;
    border: 1px dashed #cbd5f5;
    font-size: 0.9rem;
    color: #374151;
}

/* フッター部（ボタンやカウンタ） */
.quiz-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 18px;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--color-text-sub);
}

.quiz-footer-left {
    display: flex;
    gap: 8px;
    align-items: center;
}

.quiz-footer-right {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* スタート画面など */
.start-screen {
    text-align: center;
    padding: 30px 20px;
}

.start-title {
    font-size: 1.8rem;
    margin-bottom: 12px;
    color: var(--color-primary);
}

.start-description {
    font-size: 0.95rem;
    color: var(--color-text-sub);
    margin-bottom: 18px;
}

/* -----------------------------------------
   レスポンシブ
   ----------------------------------------- */

@media (max-width: 1024px) {
    .hero-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    .hero-visual {
        width: 100%;
        justify-content: center;
    }
    .entry-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .site-header {
        padding: 8px 0;
    }

    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .logo {
        font-size: 1.1rem;
    }

    .main-nav {
        width: 100%;
    }

    .main-nav ul {
        gap: 12px;
        font-size: 0.8rem;
        overflow-x: auto;
        white-space: nowrap;
        padding: 2px 4px 4px;
    }

    .main-nav li {
        flex: 0 0 auto;
    }

    .main-nav a {
        padding-bottom: 2px;
    }

    .hero-section {
        padding: 40px 0 50px;
    }

    .hero-inner {
        gap: 24px;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .section {
        padding: 60px 0;
    }

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

    .quiz-card {
        padding: 20px 16px;
        border-radius: 14px;
    }

    .quiz-question-text {
        font-size: 0.95rem;
    }

    @media (max-width: 768px) {

    /* ★追加：Heroの3ボタンを縦に等間隔で並べる */
    .hero-buttons{
        flex-direction: column;   /* 縦並び */
        align-items: stretch;     /* 幅を揃える */
        gap: 14px;                /* 等間隔 */
    }

    .hero-buttons .btn{
        width: 100%;              /* 3つの幅を同じに */
        max-width: 320px;         /* 好みで調整（不要なら消してOK） */
        margin: 0 auto;           /* 中央揃え */
        display: flex;            /* 高さを揃えやすい */
        align-items: center;
        justify-content: center;
    }
}

}

/* ========= ここから追加分：ヘッダーバッジ & 投資先生ブロック ========= */

/* 「完全無料・登録不要」用 */
.header-badge {
    font-size: 0.8rem;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: 999px;
    padding: 2px 8px;
    margin-left: 4px;
}

/* 投資先生マスコット共通ブロック */
.sensei-block {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    margin: 16px 0;
}

.sensei-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: #ffffff;
    border: 2px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
}

.sensei-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sensei-balloon {
    background: #ffffff;
    border-radius: 12px;
    padding: 10px 14px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    font-size: 0.9rem;
    line-height: 1.6;
    position: relative;
}

.sensei-balloon::before {
    content: "";
    position: absolute;
    left: -10px;
    bottom: 10px;
    border-width: 8px;
    border-style: solid;
    border-color: transparent #ffffff transparent transparent;
}

.sensei-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--color-primary);
    background: #e6f0ff;
    padding: 2px 8px;
    border-radius: 999px;
    margin-bottom: 4px;
}

/* 2カラム：説明 + 図解/先生など */
.content-two-col {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 24px;
    align-items: flex-start;
    margin-bottom: 40px;
}

@media (max-width: 900px) {
    .content-two-col {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ガイドなど長文ページ用の段落調整 */
.content-page p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .content-page p {
        font-size: 0.85rem;
        line-height: 1.6;
    }
}

/* 右下の「投資先生に相談する」ボタンは使わないので非表示 */
.sensei-floating-btn {
    display: none !important;
}

/* --- リスト全体の枠組み --- */
.learning-list {
    list-style: none;      /* デフォルトの黒丸を消す */
    padding: 0;            /* 余白リセット */
    margin-top: 20px;
}

/* --- 白いカード（四角）の本体 --- */
.learning-list li {
    background-color: #ffffff; /* 白背景 */
    padding: 16px 20px 16px 45px; /* 上・右・下・左（左はアイコン用に広く） */
    margin-bottom: 12px;       /* 下の隙間 */
    border-radius: 8px;        /* 角を少し丸く */
    box-shadow: 0 4px 12px rgba(0, 64, 133, 0.08); /* 影をつける */
    font-weight: 500;          /* 文字を少し太く */
    position: relative;        /* アイコン位置の基準 */
    color: var(--color-text-main); /* 文字色 */
}

/* --- チェックマークアイコン（ご提示いただいた部分） --- */
.learning-list li::before {
    content: '';
    position: absolute;
    left: 18px;            /* 左からの位置 */
    top: 20px;             /* 上からの位置（微調整しました） */
    width: 14px;
    height: 8px;
    border-left: 3px solid var(--color-accent);
    border-bottom: 3px solid var(--color-accent);
    transform: rotate(-45deg);
}

/* --- クイズページの説明ブロック --- */
.quiz-page-description {
  max-width: 780px;
  margin: 0 auto 24px;
  padding: 16px 18px;
  background-color: #fafafa;
  border-radius: 8px;
  border: 1px solid #eee;
  font-size: 0.95rem;
  color: #555;
  line-height: 1.7;
}

.quiz-page-description .page-title {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.quiz-page-description .page-lead {
  margin-bottom: 10px;
}

.desc-toggle {
  display: inline-block;
  margin-bottom: 6px;
  padding: 4px 10px;
  font-size: 0.85rem;
  color: #0069d9;
  background: #ffffff;
  border: 1px solid #0069d9;
  border-radius: 999px;
  cursor: pointer;
}

.desc-toggle:hover {
  background: #e9f2ff;
}

.desc-details {
  margin-top: 8px;
}

.desc-details.is-collapsed {
  display: none;
}

.quiz-page-description .section-title {
  font-size: 1.05rem;
  margin: 16px 0 8px;
}

.quiz-page-description .category-list {
  padding-left: 1.2em;
  margin: 0;
}

.quiz-page-description .category-list li {
  margin-bottom: 4px;
}

/* スマホで少し詰める */
@media (max-width: 767px) {
  .quiz-page-description {
    padding: 12px 12px;
    font-size: 0.9rem;
  }
}

/* Heroの3ボタン：見やすく統一 */
.hero-cta-buttons{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;              /* 等間隔 */
  max-width: 360px;       /* ボタンが横に伸びすぎない */
}

.hero-cta-buttons .btn{
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;       /* 高さを揃えて見やすく */
}

/* スマホ用ヘッダーナビ調整 */
@media (max-width: 640px) {
  .site-header .header-inner {
    flex-wrap: wrap;          /* タイトルとナビを上下に分けやすくする */
    align-items: flex-start;
  }

  .main-nav ul {
    display: flex;
    flex-wrap: wrap;          /* 1行に入りきらない分は折り返し */
    justify-content: center;  /* 中央寄せ */
    gap: 6px 12px;            /* 上下・左右の間隔 */
    padding: 6px 0 4px;
    margin: 0;
  }

  .main-nav li {
    margin: 0;                /* 既存の右マージンがあればリセット */
    font-size: 0.85rem;       /* 少しだけ小さくして詰まりを解消 */
    white-space: nowrap;      /* 単語の途中で折り返さない（「ガイド」が「ガ\nイド」にならないように） */
  }

  .main-nav a {
    display: inline-block;
    padding: 2px 4px;         /* ほんの少し余白を追加（お好みで） */
  }
}

/* PC表示ではロゴタイトルを1行で表示する */
@media (min-width: 769px) {
  .site-header .logo {
    white-space: nowrap;   /* 自動改行させない */
  }
}