/* -----------------------
   Variables & Reset
----------------------- */
:root {
    --color-primary: #a40e15;
    /* メインカラー: 深紅 */
    --color-primary-dark: #7a090e;
    --color-text: #333;
    --color-bg-light: #f9f9f9;

    /* フォント: 英数字はInter, 日本語はNoto Sans JP */
    --font-base: "Inter", "Noto Sans JP", sans-serif;

    --container-w: 1200px;
    /* 最大幅 1200px */
    --gutter: 24px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-base);
    color: var(--color-text);
    line-height: 1.6;
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    /* 装飾のはみ出し対策 */
}

img {
    width: 100%;
    max-width: 100%;
    height: auto;
    vertical-align: bottom;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.main-content {
    position: relative;
}

/* Utility */
.container {
    max-width: var(--container-w);
    margin: 0 auto;
}

.img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
    font-weight: bold;
}

.text-red {
    color: var(--color-primary);
    font-weight: bold;
}

.u-right {
    text-align: right;
}

.section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    font-weight: 900;
    letter-spacing: 0.05em;
}

.section-sub {
    text-align: center;
    margin-top: -20px;
    margin-bottom: 50px;
    color: #666;
    font-size: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    height: 54px;
    padding: 0 32px;
    border-radius: 27px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-base);
    margin: 5px;
}

.btn:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

.btn--header {
    background: var(--color-primary);
    color: #fff;
    height: 40px;
    font-size: 0.9rem;
    padding: 0 20px;
}

.btn--primary {
    background: var(--color-primary);
    color: #fff;
    min-width: 240px;
    box-shadow: 0 4px 15px rgba(164, 14, 21, 0.3);
    font-size: 1.1rem;
}

.btn--outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    background: #fff;
    min-width: 240px;
    font-size: 1.1rem;
}

.btn--dark-red {
    background: #7a090e;
    color: #fff;
    font-size: 0.9rem;
    height: 44px;
    padding: 0 24px;
}

.btn--white {
    background: #fff;
    color: var(--color-primary);
    min-width: 240px;
    font-size: 1.1rem;
}

.btn--outline-white {
    border: 2px solid #fff;
    color: #fff;
    min-width: 240px;
    font-size: 1.1rem;
}

/* -----------------------
   PC Decorative Objects (角丸四角の装飾)
----------------------- */
.deco-obj {
    display: none;
    /* Mobile hidden */
    position: absolute;
    width: 100px;
    height: 320px;
    background-color: var(--color-primary);
    z-index: -1;
}

/* -----------------------
   Header
----------------------- */
.header {
    background: #fff;
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 12px 0;
    /* 上下の余白 */
}

.header__inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* --- Branding Area (Left) --- */
.header__branding {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.header__branding-top {
    display: flex;
    align-items: center;
    gap: 20px;
    /* ロゴとサービス名の間の余白 */
}

.header__logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

/* 実際にSVGを入れる際はheightなどを調整してください */
.logo-img {
    height: auto;
    max-width: 100%;
}

.header__service-title {
    border-left: 1px solid #ccc;
    /* 区切り線 */
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.3;
}

.header__service-title p {
    font-size: 0.9rem;
    color: #333;
    font-weight: 500;
    margin: 0;
    white-space: nowrap;
    /* 折り返し禁止 */
}

.header__tagline {
    font-size: 0.65rem;
    /* かなり小さく */
    color: #888;
    margin: 0;
    line-height: 1.2;
}

/* --- Action Area (Right) --- */
.header__action {
    flex-shrink: 0;
    margin-left: 20px;
}

.btn--header-cv {
    background-color: #a40e15;
    /* カンプの深紅 */
    color: #fff;
    font-weight: 700;
    height: 48px;
    padding: 0 32px;
    border-radius: 50px;
    /* 丸いピル型 */
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s, transform 0.3s;
    box-shadow: 0 4px 10px rgba(164, 14, 21, 0.2);
    white-space: nowrap;
}

.btn--header-cv:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    color: #fff;
}

/* -----------------------
   Responsive (Mobile Header)
----------------------- */
@media (max-width: 768px) {
    .header {
        padding: 10px 0;
        height: auto;
        /* 高さ固定を解除 */
    }

    .header__branding-top {
        gap: 10px;
    }

    /* スマホではサービス名とタグラインを非表示にしてスッキリさせる */
    .header__service-title,
    .header__tagline {
        display: none;
    }

    /* ロゴサイズ調整 */
    .logo-img {
        height: 30px !important;
        width: auto !important;
    }

    .btn--header-cv {
        height: 36px;
        padding: 0 16px;
        font-size: 0.8rem;
    }
}

/* -----------------------
   Hero (FV)
----------------------- */
.hero {
    width: 100%;
    padding-bottom: 60px;
    overflow: visible;
}

.hero__container {
    position: relative;
    max-width: 1200px;
    /* 全体を1200pxに制限 */
    margin: 0 auto;
    /* PCでの高さ確保（コンテンツ量に応じて調整可） */
    min-height: auto;
}

/* --- Visual Area (Image & Gray BG) --- */
.hero__visual {
    position: relative;
    width: 100%;
}

.hero__visual-img {
    height: 300px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
}

.pc-only-text {
    display: none;
}

.hero__visual-gray {
    display: none;
    /* SPではグレー背景なし */
}

.hero__img-copy {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 1.4rem;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    width: 100%;
    text-align: center;
    letter-spacing: 0.05em;
    z-index: 1;
}

/* --- Content Area (Card) --- */
.hero__content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 0 20px;
    /* SP: 横余白 */
    margin-top: -120px;
    /* SP: 画像に少し被せる */
}

/* Floating Tag */
.hero__floating-tag {
    display: inline-flex;
    align-items: center;
    background: #fff;
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 40px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.red-dot {
    color: var(--color-primary);
    margin-right: 8px;
    font-size: 0.8em;
}

/* Main Card Style */
.hero__card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    text-align: center;
    /* SP: 中央揃え */
}

.hero__title {
    font-size: 1.8rem;
    line-height: 1.3;
    margin-bottom: 20px;
    font-weight: 900;
    color: #333;
}

.text-huge {
    font-size: 3.8rem;
    line-height: 1;
    margin: 0 5px;
    font-family: var(--font-base);
    letter-spacing: -0.03em;
    display: inline-block;
    transform: translateY(4px);
}

.hero__desc {
    font-size: 0.95rem;
    color: #444;
    margin-bottom: 30px;
    text-align: left;
    line-height: 1.8;
}

.hero__btns {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.btn--hero {
    width: 100%;
    height: 60px;
    font-size: 1.1rem;
    border-radius: 8px;
}

.btn--outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    background: #fff;
}

.hero__note {
    font-size: 0.7rem;
    color: #888;
    text-align: left;
    line-height: 1.4;
}

/* -----------------------
   PC Layout (min-width: 769px)
   1200px制限・中央配置・カンプ再現
----------------------- */
@media (min-width: 769px) {
    .hero {
        padding: 60px 0;
        /* 上下余白 */
        display: flex;
        justify-content: center;
    }

    .hero__container {
        width: 100%;
        /* PCレイアウト用のグリッド設定 */
        display: grid;
        grid-template-columns: 1fr 1fr;
        /* 左右2分割 */
        align-items: center;
        min-height: 600px;
        /* PCでの高さ確保 */
    }

    /* --- Visual Layer (PC) --- */
    /* コンテナ全体に対する絶対配置で背景を作る */
    .hero__visual {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 0;
        display: flex;
        overflow: visible;
    }

    /* 左側のグレー部分 */
    .hero__visual-gray {
        display: block;
        width: 45%;
        /* 左45% */
        height: 100%;
        border-radius: 20px;
        /* 左側だけ角丸 */
    }

    /* 右側の画像部分 */
    .hero__visual-img {
        height: 100%;
        position: absolute;
        right: 0;
        top: 0;
        border-radius: 20px;
        /* 右側と左下（カンプの特徴）の角丸 */
    }

    .pc-only-text {
        display: block;
    }

    /* 写真上の文字位置 */
    .hero__img-copy {
        top: 43%;
        left: 59%;
        transform: none;
        text-align: left;
        font-size: 2rem;
        white-space: nowrap;
    }

    /* --- Content Layer (PC) --- */
    .hero__content {
        grid-column: 1 / 2;
        /* 左カラムに配置 */
        margin-top: 0;
        padding: 0;
        padding-left: 40px;
        /* グレー背景内での余白 */
        width: 100%;
        /* 右にはみ出させてバランス調整 */
        z-index: 10;
    }

    .hero__floating-tag {
        position: absolute;
        top: -25px;
        left: 40px;
        margin: 0;
        padding: 10px 30px;
        font-size: 1rem;
        z-index: 12;
    }

    .hero__card {
        text-align: left;
        padding: 60px 50px;
        border-radius: 20px;
    }

    .hero__title {
        font-size: 2.6rem;
        margin-bottom: 25px;
    }

    .text-huge {
        font-size: 5.2rem;
    }

    .hero__desc {
        font-size: 1.1rem;
        margin-bottom: 40px;
    }

    .hero__btns {
        flex-direction: row;
        gap: 20px;
    }

    .btn--hero {
        width: 240px;
    }

    .hero__note {
        font-size: 0.8rem;
    }
}

/* -----------------------
   Problems
----------------------- */
.card-problem {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    height: 100%;
    border: 1px solid #eee;
}

.card-problem__img {
    width: 100%;
}

.card-problem__body {
    padding: 20px;
}

.card-problem__title {
    font-size: 1.2rem;
    margin-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
}

.card-problem__text {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #555;
}

.cta-bar {
    background: var(--color-primary);
    color: #fff;
    text-align: center;
    padding: 30px;
    border-radius: 10px;
    margin: 50px auto;
    font-weight: 700;
    font-size: 1rem;
    width: 80%;
    box-shadow: 0 10px 20px rgba(164, 14, 21, 0.2);
}

@media (min-width:768px) {
    .cta-bar {
        width: 50%;
    }
}

/* -----------------------
   Strength (選ばれる理由)
----------------------- */
.strength {
    padding: 80px 0;
}

/* カード共通スタイル */
.strength-item {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    height: auto;
    /* Swiperの高さ計算に合わせる */
    /* transition: transform 0.3s ease; Swiperと干渉するため一旦無効化 */
}

.strength-item__img {
    width: 100%;
    object-fit: cover;
    background-color: #ddd;
    flex-shrink: 0;
}

.strength-item__content {
    padding: 25px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.strength-item__title {
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 900;
    line-height: 1.4;
    color: #333;
}

.strength-item__text {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.8;
}

.strength-item__text strong {
    font-weight: 900;
    color: #333;
}

/* -----------------------
   PC Override (769px以上)
   Swiperを無効化し、2カラムグリッドにする
----------------------- */
@media (min-width: 769px) {
    .strength-swiper {
        padding-bottom: 0;
        /* ページネーション分の余白削除 */
        overflow: visible;
        /* 影が見切れないように */
    }

    .strength-grid {
        display: grid !important;
        /* SwiperのFlexを無視してGrid化 */
        grid-template-columns: 1fr 1fr;
        /* 2カラム */
        gap: 30px !important;
        transform: none !important;
        /* スライド移動をリセット */
        width: 100% !important;
    }

    .strength-item {
        width: auto !important;
        /* Swiperのwidth計算を無視 */
        height: 100% !important;
        /* 高さを揃える */
        margin: 0 !important;
        /* Swiperのmarginをリセット */
    }

    /* PCではページネーションを消す */
    .strength-swiper .swiper-pagination {
        display: none;
    }

    .strength-item__content {
        padding: 30px 35px;
    }

    .strength-item__title {
        font-size: 1.3rem;
    }
}

/* -----------------------
   Responsive (Mobile)
----------------------- */
@media (max-width: 768px) {
    .strength-grid {
        grid-template-columns: 1fr;
        /* スマホは1カラム */
    }

    .strength-item {
        border-radius: 16px;
    }


    .strength-item__content {
        padding: 25px;
    }

    .strength-item__title {
        font-size: 1.2rem;
    }

    .strength-item__text {
        font-size: 0.95rem;
    }
}

/* -----------------------
   Subsidy
----------------------- */
.subsidy-section {
    background: var(--color-primary);
    color: #fff;
    padding: 100px 0;
}

.subsidy-wrapper {
    display: flex;
    gap: 100px;
    align-items: center;
}

.subsidy-text {
    flex: 1;
}

.subsidy-title {
    font-size: 2.2rem;
    margin-bottom: 25px;
    font-weight: 900;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 25px;
    display: inline-block;
    width: 100%;
}

.subsidy-desc {
    font-size: 1.05rem;
    opacity: 0.95;
    line-height: 1.8;
}

.subsidy-card {
    width: 550px;
    flex-shrink: 0;
    background: #fff;
    color: var(--color-text);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.subsidy-card__title {
    color: var(--color-primary);
    font-size: 1.3rem;
    margin-bottom: 25px;
    font-weight: 700;
}

.check-list li {
    padding-left: 1.8em;
    position: relative;
    margin-bottom: 12px;
    font-size: 1rem;
    font-weight: 500;
}

.check-list li::before {
    content: "✔";
    color: var(--color-primary);
    position: absolute;
    left: 0;
    font-weight: 900;
    font-size: 1.2em;
}

/* -----------------------
   Courses
----------------------- */
.course-card {
    background: #fff;
    height: 55vh;
    border: 1px solid #eee;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
    transition: transform 0.3s;
}

.course-card__head {
    position: relative;
}

.course-badge {
    position: absolute;
    bottom: 0;
    left: 0;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.8rem;
    padding: 6px 16px;
    border-top-right-radius: 10px;
    font-weight: 700;
}

.course-card__body {
    padding: 25px;
}

.course-card__title {
    font-size: 1.3rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.course-card__desc {
    font-size: 0.75rem;
    color: #666;
    margin-bottom: 25px;
    height: 4.5em;
    overflow: hidden;
    line-height: 1.5;
}

.price-row {
    display: flex;
    align-items: baseline;
    margin-bottom: 8px;
}

.price-label {
    font-size: 0.95rem;
    font-weight: 700;
    color: #333;
}

.price-dots {
    flex: 1;
    border-bottom: 2px dotted #ccc;
    margin: 0 12px;
    position: relative;
    top: -6px;
}

.price-value {
    font-size: 1.8rem;
    font-weight: 900;
    line-height: 1;
    font-family: var(--font-base);
    letter-spacing: -0.02em;
}

.price-value small {
    font-size: 1rem;
    margin-left: 2px;
    font-weight: 700;
}

/* -----------------------
   Steps
----------------------- */
.step-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
}

.step-card {
    background: #fff;
    width: 100%;
    border-radius: 24px;
    padding: 50px 60px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: flex-start;
    gap: 40px;
    position: relative;
    z-index: 2;
}

@media (min-width:768px) {
    .step-card {
        width: 620px;
        padding: 20px;
    }
}

.step-card__num {
    font-family: var(--font-base);
    font-size: 3rem;
    line-height: 1;
    font-weight: 600;
    color: var(--color-primary);
    flex-shrink: 0;
    width: 60px;
    text-align: center;
}

/* コンテンツエリア */
.step-card__content {
    flex: 1;
}

.step-card__content h3 {
    font-size: 1.5rem;
    font-weight: 900;
    color: #333;
    letter-spacing: 0.02em;
}

.step-card__content p {
    font-size: 1rem;
    color: #444;
    font-weight: 500;
}

/* 連結線 (太い赤線) */
.step-connector {
    width: 8px;
    height: 60px;
    background-color: var(--color-primary);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* 文字装飾ユーティリティ */
.text-red {
    color: var(--color-primary);
    font-weight: 700;
}

.text-bold {
    font-weight: 700;
}

.u-text-sm {
    font-size: 0.75rem;
    color: #666;
    display: block;
    margin-top: 5px;
}

/* -----------------------
   Responsive (Mobile)
----------------------- */
@media (max-width: 768px) {
    .step-list {
        width: 100%;
    }

    .step-card {
        flex-direction: column;
        padding: 30px 24px;
        border-radius: 16px;
        gap: 15px;
        align-items: center;
        text-align: center;
    }

    .step-card__num {
        font-size: 3.5rem;
        margin-top: 0;
        width: auto;
    }

    .step-card__content h3 {
        font-size: 1.3rem;
        margin-bottom: 10px;
    }

    .step-card__content p {
        font-size: 0.95rem;
        text-align: left;
    }

    .step-card__content p br {
        display: none;
    }

    .step-connector {
        height: 40px;
        width: 6px;
    }
}

/* -----------------------
   Footer
----------------------- */
.footer-bottom {
    text-align: center;
    padding: 20px;
}

.cta-footer {
    background: var(--color-primary);
    color: #fff;
    text-align: center;
    padding: 100px 20px 30px;
}

.cta-title {
    font-size: 2.6rem;
    margin-bottom: 30px;
    font-weight: 900;
    letter-spacing: 0.05em;
}

.cta-text {
    margin-bottom: 50px;
    font-size: 1.1rem;
    opacity: 0.9;
}

.copyright {
    padding-top: 25px;
    font-size: 0.85rem;
    opacity: 0.8;
}

.footer-logo {
    width: 30%;
    margin: 0 auto;
}

@media (min-width:768px) {
    .footer-logo {
        width: 200px;
        margin: 50px auto;
    }
}

/* -----------------------
   Responsive Logic
----------------------- */

/* PC Only (1200px~) */
@media (min-width: 1200px) {
    .deco-obj {
        display: block;
    }

    .deco-right-top {
        top: 100px;
        right: 0;
        width: 30px;
        height: 500px;
        border-radius: 50px 0 0 50px;
    }

    .deco-left {
        top: 800px;
        left: 0;
        width: 30px;
        height: 500px;
        border-radius: 0 50px 50px 0;
    }

    .deco-right {
        top: 1680px;
        right: 0;
        width: 30px;
        height: 680px;
        border-radius: 50px 0 0 50px;
    }
}

/* Tablet & PC (Grid Override) */
@media (min-width: 769px) {
    .grid-wrapper-3col {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr);
        gap: 0px;
        transform: none !important;
        padding: 20px;
    }

    .swiper-slide {
        width: auto !important;
        height: auto !important;
    }

    .swiper-pagination {
        display: none;
    }
}

/* -----------------------
   Mobile (Max 768px)
   FIXED: Clamp Font Size & Hide BR tags
----------------------- */
@media (max-width: 768px) {

    /* --- 1. 全体の改行・フォント設定 --- */

    /* 見出し内の <br> を無効化（これで変な位置での強制改行がなくなります） */
    h1 br,
    h2 br,
    h3 br,
    .section-title br,
    .hero__title br,
    .cta-title br,
    .course-card__title br {
        display: none;
    }

    /* テキストの折り返しを自動でいい感じにする（対応ブラウザのみ） */
    h1,
    h2,
    h3,
    p,
    .section-title {
        text-wrap: balance;
        /* 見出しのバランス調整 */
        word-break: break-word;
    }

    /* --- 2. ヘッダー --- */
    .header {
        height: 60px;
    }

    .logo-box {
        width: 110px;
        height: 30px;
    }

    .header .btn--header {
        font-size: 0.8rem;
        padding: 0 15px;
        height: 34px;
        width: 50%;
    }

    /* --- 3. Hero (FV) エリア --- */
    .hero {
        min-height: auto;
        flex-direction: column;
        padding-bottom: 40px;
    }

    .hero__container {
        padding: 0;
    }

    .hero__card {
        width: 92%;
        margin: -50px auto 0;
        padding: 30px 5vw;
        /* 横幅に応じて余白も可変に */
        border-radius: 16px;
        /* 上書き: PC用のスタイルをリセット */
        box-shadow: 0 -10px 20px rgba(0, 0, 0, 0.1);
    }

    /* ★ clamp(最小, 可変, 最大) でなめらかに伸縮 */
    .hero__title {
        /* 最小1.4rem, 画面幅の5%, 最大1.8rem */
        font-size: clamp(1.4rem, 5vw, 1.8rem);
        line-height: 1.4;
        text-align: center;
    }

    /* 「75%OFF」の巨大文字も可変に */
    .text-huge {
        /* 最小2.5rem, 画面幅の12%, 最大3.8rem */
        font-size: clamp(2.5rem, 12vw, 3.8rem);
        transform: translateY(4px);
    }

    .hero__desc {
        font-size: 0.95rem;
        text-align: justify;
        /* 両端揃え */
        letter-spacing: -0.02em;
        /* 文字間を少し詰めて改行を防ぐ */
    }

    .hero__btns {
        flex-direction: column;
        gap: 12px;
    }

    .btn {
        width: 100%;
    }

    /* --- 4. 各セクション見出し --- */
    .section-title {
        /* 画面幅に合わせて 1.4rem ～ 1.8rem の間で変化 */
        font-size: clamp(1.4rem, 6vw, 1.8rem);
        padding: 0 10px;
    }

    .section-sub {
        font-size: 0.9rem;
        padding: 0 20px;
    }

    /* --- 5. Strength (選ばれる理由) --- */
    .strength-grid {
        grid-template-columns: 1fr;
        row-gap: 30px;
    }

    .strength-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .strength-item__img {
        width: 100%;
        height: auto;
        max-height: 200px;
        /* 画像が縦長になりすぎないように */
        object-fit: cover;
    }

    .strength-item__content {
        padding: 25px 20px;
        width: 100%;
    }

    .strength-item__title {
        display: block;
        /* フレックス崩れ防止 */
        font-size: 1.2rem;
        margin-bottom: 10px;
    }

    .strength-item__text {
        text-align: left;
        /* 読みやすさ重視 */
    }

    /* --- 6. Subsidy (助成金解説) --- */
    .subsidy-section {
        padding: 60px 15px;
    }

    .subsidy-wrapper {
        flex-direction: column;
        gap: 30px;
    }

    .subsidy-card {
        width: 100%;
        padding: 30px 20px;
    }

    .subsidy-title {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }

    /* --- 7. Course Cards --- */
    .course-card {
        height: auto;
        /* 固定高さを解除 */
    }

    .course-card__title {
        font-size: clamp(1.1rem, 4vw, 1.3rem);
    }

    .price-value {
        font-size: clamp(1.5rem, 5vw, 1.8rem);
    }
    /* --- 8. Steps --- */
    .step-card {
        flex-direction: column;
        padding: 30px 20px;
        gap: 15px;
        align-items: center;
        text-align: center;
    }

    .step-card__num {
        font-size: 2.5rem;
        width: auto;
        margin-top: 0;
        margin-bottom: 10px;
    }

    .step-card__content p {
        text-align: left;
    }

    /* --- 9. Footer CTA --- */
    .cta-footer {
        padding: 60px 20px 40px;
    }

    .cta-title {
        /* 画面幅に応じて可変 */
        font-size: clamp(1.5rem, 6vw, 2rem);
        line-height: 1.4;
    }

    .cta-text {
        font-size: 0.95rem;
    }
}