/*
 * This is a manifest file that'll be compiled into application.css.
 *
 * With Propshaft, assets are served efficiently without preprocessing steps. You can still include
 * application-wide styles in this file, but keep in mind that CSS precedence will follow the standard
 * cascading order, meaning styles declared later in the document or manifest will override earlier ones,
 * depending on specificity.
 *
 * Consider organizing styles into separate files for maintainability.
 */

/* NHW-020C: 公開ページ用 Bootstrap 風スタイル（Bootstrap package は未追加） */

:root {
  --public-primary: #0d6efd;
  --public-primary-hover: #0b5ed7;
  --public-text: #212529;
  --public-muted: #6c757d;
  --public-border: #dee2e6;
  --public-bg: #f8f9fa;
  --public-danger: #dc3545;
  --public-shadow: 0 0.125rem 0.5rem rgba(0, 0, 0, 0.08);
  --public-radius: 0.5rem;
  --public-max-width: 720px;
  --public-max-width-wide: 960px;
}

/* 公開ページ全体ラッパー */
.public-page {
  min-height: 100vh;
  background: var(--public-bg);
  color: var(--public-text);
  padding: 1.5rem 1rem 2rem;
  box-sizing: border-box;
}

.public-page--wide {
  --public-max-width: var(--public-max-width-wide);
}

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

/* ページヘッダー */
.public-page__header {
  margin-bottom: 1.5rem;
}

.public-page__title {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 0.75rem;
}

.public-page__lead {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--public-muted);
  margin: 0;
}

/* 白背景カード */
.public-card {
  max-width: var(--public-max-width);
  margin: 0 auto 1.5rem;
  background: #fff;
  border: 1px solid var(--public-border);
  border-radius: var(--public-radius);
  box-shadow: var(--public-shadow);
  padding: 1.75rem;
}

.public-card section {
  margin-bottom: 1.5rem;
}

.public-card section:last-child {
  margin-bottom: 0;
}

.public-card h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
}

.public-card p,
.public-card li {
  line-height: 1.7;
}

.public-card ul {
  padding-left: 1.25rem;
  margin: 0.5rem 0 0;
}

.public-card a {
  color: var(--public-primary);
  text-decoration: none;
}

.public-card a:hover {
  text-decoration: underline;
}

/* 共通ナビ */
.public-nav {
  max-width: var(--public-max-width-wide);
  margin: 0 auto 1rem;
}

.public-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0.75rem 1rem;
  background: #fff;
  border: 1px solid var(--public-border);
  border-radius: var(--public-radius);
  box-shadow: var(--public-shadow);
}

.public-nav__list a {
  color: var(--public-primary);
  text-decoration: none;
  font-size: 0.95rem;
}

.public-nav__list a:hover {
  text-decoration: underline;
}

/* 共通フッター */
.public-footer {
  max-width: var(--public-max-width-wide);
  margin: 0 auto;
  padding-top: 0.5rem;
  border-top: 1px solid var(--public-border);
}

.public-footer__text {
  font-size: 0.9rem;
  color: var(--public-muted);
  line-height: 1.7;
  margin: 0 0 1rem;
}

.public-footer__links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.public-footer__links a {
  color: var(--public-primary);
  text-decoration: none;
  font-size: 0.9rem;
}

.public-footer__links a:hover {
  text-decoration: underline;
}

/* フォーム */
.public-form__group {
  margin-bottom: 1.25rem;
}

.public-form__row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.public-form__label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

.public-form__control {
  display: block;
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--public-text);
  background: #fff;
  border: 1px solid var(--public-border);
  border-radius: 0.375rem;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.public-form__control:focus {
  outline: 0;
  border-color: #86b7fe;
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.public-form__control--invalid {
  border-color: var(--public-danger);
}

.public-form__hint {
  font-size: 0.875rem;
  color: var(--public-muted);
  margin: 0.375rem 0 0;
}

.public-form__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ボタン */
.public-btn {
  display: inline-block;
  padding: 0.625rem 1.25rem;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  border-radius: 0.375rem;
  border: 1px solid transparent;
  cursor: pointer;
}

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

.public-btn--primary:hover {
  background: var(--public-primary-hover);
  border-color: var(--public-primary-hover);
  color: #fff;
  text-decoration: none;
}

.public-btn--outline {
  color: var(--public-primary);
  background: transparent;
  border-color: var(--public-primary);
}

.public-btn--outline:hover {
  color: #fff;
  background: var(--public-primary);
  text-decoration: none;
}

/* .public-card a のリンク色よりボタン文字色を優先 */
.public-card a.public-btn--primary,
.public-card a.public-btn--primary:visited {
  color: #fff;
}

.public-card a.public-btn--outline,
.public-card a.public-btn--outline:visited {
  color: var(--public-primary);
}

/* アラート */
.public-alert {
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  border-radius: var(--public-radius);
  border: 1px solid transparent;
}

.public-alert--danger {
  color: #842029;
  background: #f8d7da;
  border-color: #f5c2c7;
}

.public-alert__title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.public-alert ul {
  margin: 0;
  padding-left: 1.25rem;
}

/* 料金プラン */
.pricing-plan {
  padding: 1.25rem;
  border: 1px solid var(--public-border);
  border-radius: var(--public-radius);
  background: #fafbfc;
}

.pricing-plan__price {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
}

/* 特商法テーブル */
.legal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.legal-table th,
.legal-table td {
  padding: 0.875rem 1rem;
  border: 1px solid var(--public-border);
  vertical-align: top;
  line-height: 1.6;
  text-align: left;
}

.legal-table th {
  width: 30%;
  background: #f8f9fa;
  font-weight: 600;
  white-space: nowrap;
}

.legal-table a {
  color: var(--public-primary);
  text-decoration: none;
}

.legal-table a:hover {
  text-decoration: underline;
}

/* スマホ表示 */
@media (max-width: 576px) {
  .public-page {
    padding: 1rem 0.75rem 1.5rem;
  }

  .public-card {
    padding: 1.25rem;
  }

  .public-page__title {
    font-size: 1.5rem;
  }

  .public-nav__list {
    flex-direction: column;
    gap: 0.5rem;
  }

  .legal-table th,
  .legal-table td {
    display: block;
    width: 100%;
  }

  .legal-table th {
    border-bottom: 0;
    white-space: normal;
  }

  .legal-table td {
    border-top: 0;
  }

  .public-form__actions {
    flex-direction: column;
  }

  .public-btn {
    width: 100%;
  }
}

/* NHW-GUIDE-001: 先生向け・生徒向け使い方ページ */
.guide-kicker {
  display: inline-block;
  margin: 0 0 0.5rem;
  padding: 0.2rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--public-primary);
  background: #e7f1ff;
  border-radius: 999px;
}

.guide-page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin: 0 0 1.75rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--public-border);
  border-bottom: 1px solid var(--public-border);
  font-size: 0.95rem;
}

.guide-page-nav__current {
  font-weight: 600;
  color: var(--public-text);
}

.guide-overview {
  margin-bottom: 1.75rem;
}

.guide-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.guide-flow__item {
  flex: 1 1 8.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.85rem 0.9rem;
  background: #f8f9fa;
  border: 1px solid var(--public-border);
  border-radius: var(--public-radius);
  min-width: 0;
}

.guide-flow__label {
  font-weight: 700;
  font-size: 1rem;
}

.guide-flow__hint {
  font-size: 0.85rem;
  color: var(--public-muted);
}

.guide-toc {
  margin-bottom: 2rem;
  padding: 1rem 1.1rem;
  background: #fafbfc;
  border: 1px solid var(--public-border);
  border-radius: var(--public-radius);
}

.guide-toc__title {
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.guide-toc ol {
  margin: 0;
  padding-left: 1.25rem;
}

.guide-toc li {
  margin: 0.25rem 0;
}

.guide-step {
  margin-bottom: 2rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--public-border);
}

.guide-step:last-of-type {
  border-bottom: 0;
}

.guide-step__header {
  margin-bottom: 0.75rem;
}

.guide-step__eyebrow {
  margin: 0 0 0.25rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--public-primary);
}

.guide-step__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.guide-step__benefit {
  padding: 0.85rem 1rem;
  background: #e7f1ff;
  border-radius: var(--public-radius);
  color: var(--public-text);
}

.guide-status-list li {
  margin-bottom: 0.5rem;
}

.guide-figure {
  margin: 1.25rem 0 0;
}

.guide-figure__image {
  display: block;
  max-width: 100%;
  width: auto;
  height: auto;
  max-height: min(70vh, 34rem);
  margin-inline: auto;
  border: 1px solid var(--public-border);
  border-radius: var(--public-radius);
  background: #fff;
}

.guide-figure__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 10rem;
  background: repeating-linear-gradient(
    -45deg,
    #f1f3f5,
    #f1f3f5 12px,
    #e9ecef 12px,
    #e9ecef 24px
  );
  border: 1px dashed #adb5bd;
  border-radius: var(--public-radius);
}

.guide-figure__placeholder-label {
  padding: 0.4rem 0.75rem;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 0.375rem;
  color: var(--public-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.guide-figure__caption {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  color: var(--public-muted);
  line-height: 1.6;
  text-align: center;
}

.guide-next {
  margin-top: 0.5rem;
}

.guide-page--student .guide-step {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
}

.guide-page--student .guide-step__title {
  font-size: 1.2rem;
}

.guide-page--student .public-card p,
.guide-page--student .guide-figure__caption {
  font-size: 1.02rem;
}

@media (max-width: 576px) {
  .guide-flow__item {
    flex: 1 1 100%;
  }

  .guide-step__title {
    font-size: 1.15rem;
  }

  .guide-page--student .guide-step__title {
    font-size: 1.12rem;
  }

  .guide-figure__placeholder {
    min-height: 8.5rem;
  }

  .guide-page-nav {
    flex-direction: column;
    gap: 0.4rem;
  }
}