/* CSSカスタムプロパティ */
:root {
  --color-primary: #2c5282;
  /* 落ち着いた青 */
  --color-secondary: #4a90e2;
  /* アクセントの明るい青 */
  --color-text: #333;
  --color-bg-light: #f8f9fa;
  --color-border: #e2e8f0;
  --font-body: 'メイリオ', 'Meiryo', sans-serif;
  --font-heading: '游ゴシック体', 'YuGothic', sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
}

/* リセットと基本スタイル */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--color-text);
  background-color: #fff;
  overflow-x: hidden;
}

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

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

@media (min-width: 768px) {
  a[href^="tel:"] {
    pointer-events: none;
    user-select: initial !important;
    -webkit-user-select: initial !important;
  }
}
textarea, input[type=text], input[type=tel], input[type=email] {
  font-size: max(1.15rem, 16px);
}

@media (min-width: 768px) {
  textarea, input[type=text], input[type=tel], input[type=email] {
    font-size: max(1rem, 16px);
  }
}

/* 共通レイアウト */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.section-padding {
  padding-block: var(--space-lg);
}

/* コンポーネント */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--color-primary);
}

.heading-xl {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

.heading-lg {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: var(--space-sm);
}

.heading-md {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.btn-cta {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  background-color: var(--color-secondary);
  border-radius: 8px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-cta:hover {
  background-color: #3b7ad0;
  box-shadow: 0 6px 10px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.card {
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  padding: var(--space-sm);
  margin-bottom: var(--space-sm);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
}

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

.list-icon li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-xs);
}

.list-icon li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: bold;
}

/* アニメーション */
[data-animate] {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate--fade-in-up {
  transform: translateY(20px);
}

.animate--fade-in-left {
  transform: translateX(-20px);
}

.animate--fade-in-right {
  transform: translateX(20px);
}

[data-animate].animate--fade-in-up,
[data-animate].animate--fade-in-left,
[data-animate].animate--fade-in-right {
  opacity: 1;
  transform: translate(0);
}

/* ヘッダー */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #fff;
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-sm);
  transition: background-color 0.3s ease;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.header-logo img {
  width: 150px;
}
@media (max-width: 1024px) {
  .nav {
    position: fixed;
    top: 70px;
    right: 0;
    width: 100%;
    height: calc(100% - 70px);
    background-color: #fff;
    overflow-y: auto;
    pointer-events: none;
    padding-top: 30px;
    padding-bottom: 30px;
    opacity: 0;
  }
}
.is-menu-panel-open {
  opacity: 1;
  pointer-events: all;
}
.is-noscroll {
  overflow: hidden;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  list-style: none;
  gap: 2rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  white-space: nowrap;
  align-items: center;

}

.nav-menu a {
  font-weight: 500;
  padding: var(--space-xs) 0;
  font-size: 0.9rem;
  /* フォントサイズを小さくする */
}

.nav-menu a:hover {
  color: var(--color-secondary);
}

.nav-menu .btn-cta {
  padding: var(--space-sm) var(--space-md);
  /* 左右の余白を大きくする */
}

/* ハンバーガーボタン */
.c-hamburger-button {
  display: block;
  position: relative;
  z-index: 9999;
  cursor: pointer;
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 10px;
}
@media (min-width: 1025px) {
  .c-hamburger-button {
    display: none;
  }
}

.c-hamburger-button__line {
  position: absolute;
  display: inline-block;
  transition: var(--duration-default);
  position: absolute;
  height: 2px;
  border-radius: 1px;
  background-color: var(--color-primary);
  width: 100%;
  left: 0;
}

.c-hamburger-button__line:nth-of-type(1) {
  top: 8px;
}

.c-hamburger-button__line:nth-of-type(2) {
  top: 50%;
  transform: translateY(-50%);
}

.c-hamburger-button__line:nth-of-type(3) {
  bottom: 8px;
}

.is-hamburger-button-open .c-hamburger-button__line:nth-of-type(1) {
  top: 50%;
  transform: rotate(-45deg);
}
.is-hamburger-button-open .c-hamburger-button__line:nth-of-type(2) {
  opacity: 0;
}
.is-hamburger-button-open .c-hamburger-button__line:nth-of-type(3) {
  top: 50%;
  transform: rotate(45deg);
}

/* メインビジュアル */
.hero {
  background-color: var(--color-primary);
  color: #fff;
  padding-block: var(--space-md);
  text-align: center;
}

.hero-subheading {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.hero-heading {
  font-size: 1.4rem;
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

.hero-caption {
  font-size: 1.8rem;
  font-family: var(--font-heading);
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.hero-badge {
  background-color: var(--color-secondary);
  display: inline-block;
  padding: 4px 12px;
  border-radius: 9999px;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.hero-image {
  display: none;
}
.hero-image-sp {
  margin-bottom: var(--space-sm);
}

.hero-text-points {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: .5rem;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-md);
  align-items: center;
}

.hero-point-box {
  font-size: .875rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-primary);
  background-color: #fff;
  padding: 0.5rem;
  border-radius: 8px;
  border: 2px solid #fff;
}

.hero-main-copy {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

.hero-sub-copy {
  font-size: 1.2rem;
  font-weight: 500;
  color: #fff;
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}


/* こんな先生におすすめですセクション */
.recommend-card h3 {
  font-size: 1.1rem;
}

.feature-list {
  display: grid;
  gap: var(--space-sm);
  margin-block: var(--space-md);
}

.feature-item {
  background-color: var(--color-bg-light);
  color: var(--color-text);
  padding: var(--space-sm);
  border-radius: 8px;
  font-weight: 500;
  text-align: center;
}

.feature-item::before {
  content: '・';
  color: var(--color-primary);
  font-weight: bold;
  margin-right: 0.5em;
}

/* なぜ無料？セクション */
.reason-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.reason-text {
  background-color: var(--color-bg-light);
  padding: var(--space-md);
  border-left: 4px solid var(--color-secondary);
  border-radius: 8px;
}

.reason-text p {
  margin-bottom: var(--space-sm);
}

.reason-highlight {
  font-weight: 700;
  color: var(--color-primary);
}

.reason-heading-sm {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: var(--space-sm);
}

/* 3つのメリット */
.merit-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
  margin-top: var(--space-lg);
}

.merit-card {
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  padding: var(--space-md);
  text-align: center;
  transition: transform 0.3s ease;
}

.merit-card:hover {
  transform: translateY(-5px);
}

.merit-card-icon {
  display: block;
  width: auto;
  height: 35px;
  margin: 0 auto 15px;
}

.merit-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  font-family: 'Material Icons';
}

.merit-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.merit-card p {
  margin-top: var(--space-xs);
}

/* サービス内容・ご紹介制度 */
.service-grid,
.intro-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.service-list,
.benefit-list {
  list-style: none;
  margin-top: var(--space-sm);
}

.service-list li,
.benefit-list li {
  position: relative;
  padding-left: var(--space-md);
  margin-bottom: var(--space-xs);
}

.service-list li::before,
.benefit-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: bold;
}

.intro-box {
  background-color: var(--color-bg-light);
  border-radius: 8px;
  padding: var(--space-md);
}

/* ご紹介制度 */
.introduction-box {
  background-color: var(--color-bg-light);
  padding: var(--space-md);
  border-radius: 8px;
  border-left: 4px solid var(--color-primary);
}

/* 補助金セクション */
.grant-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.grant-item {
  background-color: var(--color-bg-light);
  border-radius: 8px;
  padding: var(--space-sm);
  border-left: 3px solid var(--color-primary);
}

.grant-item strong {
  display: block;
}

.grant-item p {
  font-size: 0.9rem;
  color: #666;
  margin-top: 0.25rem;
}

/* お客様の声 */
.voice-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
  margin-top: var(--space-lg);
}

.voice-card {
  background-color: var(--color-bg-light);
  border-radius: 8px;
  padding: var(--space-md);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.voice-card:hover {
  transform: translateY(-5px);
}

.voice-body {
  font-size: 0.95rem;
}

.voice-body h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.voice-body strong {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 700;
}

.voice-body p {
  margin-bottom: var(--space-sm);
}


/* 納品までの流れ */
.flow-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
}

.flow-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  position: relative;
  text-align: center;
}

.flow-item-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
  flex-shrink: 0;
  line-height: 1;
}

.flow-item-content {
  padding-top: 0;
}

.flow-item-content h4 {
  margin-bottom: var(--space-xs);
  font-family: var(--font-heading);
  font-size: 1.25rem;
}

.flow-item-content p {
  color: #666;
}

/* 運営会社 */
.company-info {
  background-color: var(--color-bg-light);
  padding: var(--space-md);
  border-radius: 8px;
}

.company-info p {
  margin-bottom: var(--space-xs);
}

.company-info strong {
  color: var(--color-primary);
}

/* よくある質問 */
.faq-list {
  margin-top: var(--space-md);
}

.faq-item {
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  font-size: 1rem;
  font-weight: 700;
  position: relative;
  display: flex;
}

@media screen and (min-width: 768px) {
  .faq-question {
    font-size: 1.25rem;
  }
}

.faq-answer {
  margin-top: var(--space-sm);
  color: #666;
}
.faq-answer p {
  display: flex;
}

.faq-question.is-active + .faq-answer {
  max-height: 200px;
  display: block;
  /* 適宜調整 */
}

/* お問い合わせフォーム */
.contact-form {
  background-color: var(--color-bg-light);
  padding: var(--space-md);
  border-radius: 8px;
}

.form-group {
  margin-bottom: var(--space-sm);
}

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-xs);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-body);
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
}

.is-required::after {
  content: '必須';
  font-size: 0.75rem;
  color: #fff;
  background-color: #e53e3e;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: var(--space-xs);
  vertical-align: middle;
}

.btn-submit {
  width: 100%;
  font-size: 1.125rem;
  background-color: var(--color-primary);
  color: #fff;
  border: none;
  padding-block: var(--space-sm);
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.btn-submit:hover {
  background-color: #1e3a5f;
}

/* フッター */
.footer {
  background-color: var(--color-primary);
  color: #fff;
  text-align: center;
  padding-block: var(--space-sm);
}

/* メディアクエリ（PC向け） */
@media (min-width: 768px) {
  .heading-xl {
    font-size: 2rem;
  }

  .heading-lg {
    font-size: 1.5rem;
  }

  .hero {
    text-align: left;
    padding-block: var(--space-xl);
  }

  .hero-heading {
    font-size: 2.5rem;
  }

  .hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
  }

  .hero-content {
    max-width: 600px;
    margin-right: var(--space-md);
    z-index: 1;
  }

  .hero-image {
    position: absolute;
    right: 0;
    display: block;
    width: 60%;
  }

  .hero-image-sp {
    display: none;
  }

  .hero-caption {
    margin-bottom: var(--space-md);
  }

  .nav-menu a {
    font-size: 1rem;
  }

  .nav-menu .btn-cta {
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
    /* PCでの余白を調整 */
  }

  .card {
    padding: var(--space-md);
    margin-bottom: var(--space-md);
  }

  .section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    align-items: center;
  }

  .reason-grid {
    flex-direction: row;
  }

  .service-grid,
  .intro-grid {
    flex-direction: row;
  }

  .intro-grid img {
    order: 1;
  }

  .merit-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .voice-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .case-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .flow-grid {
    flex-direction: row;
    justify-content: space-between;
    position: relative;
    padding-top: var(--space-xl);
  }

  .flow-item {
    text-align: center;
    padding-left: 0;
  }

  .flow-item-number {
    display: block;
    margin-bottom: 0.5rem;
  }

  .flow-item::before {
    content: '';
    position: absolute;
    top: 2.5rem;
    left: var(--space-xl);
    right: var(--space-xl);
    height: 2px;
    background-color: var(--color-border);
    z-index: 1;
  }

  .flow-item-content {
    padding-top: 0;
  }

  .contact-form {
    max-width: 600px;
    margin: 0 auto;
  }

  .hero-text-points {
    flex-direction: row;
    justify-content: center;
    gap: 1rem;
  }

  .hero-point-box {
    flex-grow: 1;
    max-width: 250px;
    font-size: 1.125rem;
    padding: var(--space-sm) var(--space-md);
  }
}

@media screen and (min-width: 1025px) {
  .nav-menu {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
    /* PCでのメニュー項目間隔を調整 */
  }
}

.p-company-info__list {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-s);
}

.p-company-info__item {
  display: flex;
  flex-direction: column;
  /* SPでは縦並び */
  align-items: flex-start;
  gap: 5px;
  padding-block: 10px;
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .p-company-info__item {
    flex-direction: row;
    /* PCでは横並び */
    align-items: baseline;
    gap: 20px;
  }
}

.p-company-info__item dt {
  font-weight: bold;
  flex-shrink: 0;
  width: 120px;
}

.p-company-info__item dd {
  margin: 0;
  flex-grow: 1;
}

.p-company-info__list--location {
  list-style: none;
  padding: 0;
  margin-top: 10px;
}

.p-company-info__list--location li {
  margin-bottom: 5px;
}

.p-company-info__map {
  width: 100%;
  height: 250px;
  border: 0;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  margin-top: 10px;
}

@media screen and (min-width: 768px) {
  .p-company-info__map {
    height: 400px;
  }
}

/* u-display */
.u-hidden {
  display: none;
}

.u-block {
  display: block;
}

.u-inline-block {
  display: inline-block;
}

.u-inline {
  display: inline;
}

.u-flex {
  display: flex;
}

.u-grid {
  display: grid;
}

@media (min-width: 768px) {
  .md\:u-hidden {
    display: none;
  }
  .md\:u-block {
    display: block;
  }
  .md\:u-inline-block {
    display: inline-block;
  }
  .md\:u-inline {
    display: inline;
  }
  .md\:u-flex {
    display: flex;
  }
  .md\:u-grid {
    display: grid;
  }
}
@media (min-width: 1025px) {
  .lg\:u-hidden {
    display: none;
  }
  .lg\:u-block {
    display: block;
  }
  .lg\:u-inline-block {
    display: inline-block;
  }
  .lg\:u-inline {
    display: inline;
  }
  .lg\:u-flex {
    display: flex;
  }
  .lg\:u-grid {
    display: grid;
  }
}
.u-mb-xs {
  margin-bottom: var(--space-xs);
}
.u-mt-md {
  margin-top: var(--space-md);
}
.u-text-underline {
  text-decoration: underline;
}