/* --- 基本設定 --- */
:root {
    --main-color: #2c3e50;
    /* 濃い青 */
    --sub-color: #3498db;
    /* 明るい青 */
    --accent-color: #e74c3c;
    /* 赤系のオレンジ */
    --bg-color: #ecf0f1;
    /* 明るいグレー */
    --text-color: #34495e;
    /* 濃いグレー */
    --white-color: #ffffff;
    --sidenav-width: 280px;
    /* サイドナビの幅 */
    --header-sp-height: 60px;
    /* スマホヘッダーの高さ */
}

body {
    margin: 0;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    user-select: none;
    /* テキスト選択を無効化 */
}

.section-wrapper {
    position: relative;
    border-radius: 0px 0px 0px 0px;
}

.section-body {
    position: relative;
    padding-top: 0px;
    margin-top: 200px;
    width: 100%;
    height: 500px;
    text-align: center;
}

.bg-image-clip {
    position: absolute;
    top: -200px;
    left: 0;
    width: 100%;
    height: 100%;
    min-height: 690px;
    clip-path: inset(0);
    /* 切り抜き */
    z-index: -1;
}

.bg-image-fixed {
    position: fixed;
    /* 背景を固定 */
    top: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

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

a {
    color: var(--sub-color);
    text-decoration: none;
    transition: opacity 0.3s;
}

a:hover {
    opacity: 0.7;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
    box-shadow: 5px 5px 10px #888;
    /* デフォルトで影をつける */
}

img.logo {
    box-shadow: none;
    width: 100px;
    height: auto;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--main-color);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}

.section-title {
    font-size: 36px;
    text-align: center;
    margin-top: 0;
    margin-bottom: 60px;
}

/* --- PC・タブレット用サイドナビ --- */
.sidenav {
    display: none;
    /* スマホでは非表示 */
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidenav-width);
    height: 100vh;
    background-color: var(--white-color);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.sidenav-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 40px;
}

.site-title {
    font-size: 24px;
    margin: 0 0 40px;
}

.site-title a {
    color: var(--main-color);
}

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

.sidenav-menu li a {
    display: block;
    padding: 12px 0;
    font-weight: 700;
    color: var(--text-color);
    font-size: 16px;
    transition: background-color 0.3s, color 0.3s;
}

.sidenav-menu li a:hover {
    background-color: rgba(44, 62, 80, 0.05);
    color: var(--main-color);
    opacity: 1;
}

.sidenav-footer {
    margin-top: auto;
}

.sidenav-footer a {
    color: var(--text-color);
    font-size: 24px;
    margin-right: 20px;
}

.sidenav-footer img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
    box-shadow: 0px 0px 0px;
}


/* --- スマートフォン用ヘッダー & ナビ --- */
.header-sp {
    display: flex;
    /* PCでは非表示(メディアクエリで上書き) */
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-sp-height);
    padding: 0 20px;
    background-color: var(--white-color);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.site-title-sp a {
    font-size: 18px;
    color: var(--main-color);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

/* ハンバーガーメニュー */
.hamburger-menu {
    width: 30px;
    height: 30px;
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger-menu span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--main-color);
    position: absolute;
    transition: transform 0.3s, opacity 0.3s;
}

.hamburger-menu span:nth-child(1) {
    top: 6px;
}

.hamburger-menu span:nth-child(2) {
    top: 14px;
}

.hamburger-menu span:nth-child(3) {
    top: 22px;
}

/* ハンバーガーメニュー (アクティブ時) */
.hamburger-menu.is-active span:nth-child(1) {
    top: 14px;
    transform: rotate(45deg);
}

.hamburger-menu.is-active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.is-active span:nth-child(3) {
    top: 14px;
    transform: rotate(-45deg);
}

/* SPナビ本体 */
.nav-sp {
    position: fixed;
    top: var(--header-sp-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-sp-height));
    background-color: var(--white-color);
    transform: translateX(100%);
    transition: transform 0.3s;
    z-index: 999;
    padding: 20px;
}

.nav-sp.is-active {
    transform: translateX(0);
}

.nav-sp ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-sp ul li a {
    display: block;
    padding: 15px;
    text-align: center;
    font-weight: bold;
    color: var(--text-color);
}


/* --- メインコンテンツ --- */
.main-content {
    /* スマホではヘッダーの高さ分だけ開始位置を下げる */
    padding-top: var(--header-sp-height);
}

.circle-icon {
    position: absolute;
    left: 0;
    top: 7px;
    width: 12px;
    height: 12px;
    background-color: #5998db;
    /* 濃いピンク色を指定 */
    border-radius: 50%;
    /* 丸くする */
}

/* --- ファーストビュー --- */
.hero-section {
    position: relative;
    height: 60vh;
    min-height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: left;
    padding: 20px;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(1);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-section[data-image] .hero-image {
    background-image: attr(data-image url);
}

.catch-copy {
    font-size: 28px;
    text-align: left;
    color: var(--white-color);
    line-height: 1.4;
    text-shadow: 0 2px 4px var(--main-color);
}

.catch-copy-sub {
    font-size: 20px;
    text-align: left;
    max-width: 600px;
    color: var(--white-color);
    line-height: 1.4;
    text-shadow: 0 2px 4px var(--main-color);
}


/* --- アコーディオン --- */
.accordion-001 {
    max-width: 800px;
    background-color: #fff;
}

.accordion-001:not([open]) {
    margin-bottom: 12px;
}

.accordion-001 summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: 1em 2em;
    border-radius: 5px;
    background-color: #5998db;
    color: #fff;
    font-weight: 600;
    font-size: 24px;
    cursor: pointer;
}

.accordion-001 summary::-webkit-details-marker {
    display: none;
}

.accordion-001 summary::after {
    transform: translateY(-25%) rotate(45deg);
    width: 7px;
    height: 7px;
    margin-left: 10px;
    border-bottom: 3px solid #fff;
    border-right: 3px solid #fff;
    content: '';
    transition: transform .3s;
}

.accordion-001[open] summary::after {
    transform: rotate(225deg);
}

.accordion-001 p {
    transform: translateY(-10px);
    opacity: 0;
    margin: 0;
    padding: 1em 2em 2em 2em;
    color: #333333;
    transition: transform .5s, opacity .5s;
}

.accordion-001[open] p {
    transform: none;
    opacity: 1;
    margin-bottom: 12px;
}



/* --- アコーディオン --- */
.accordion-005 {
    max-width: 600px;
}

.accordion-005:not([open]) {
    margin-bottom: 12px;
}

.accordion-005 summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: 1em 2em;
    border-left: 5px solid #313e50;
    background-color: #edf0f1;
    color: #333333;
    font-weight: 500;
    font-size: large;
    cursor: pointer;
}

.accordion-005 summary::-webkit-details-marker {
    display: none;
}

.accordion-005 summary::before,
.accordion-005 summary::after {
    width: 3px;
    height: .9em;
    border-radius: 5px;
    background-color: #bdc0c1;
    content: '';
}

.accordion-005 summary::before {
    position: absolute;
    right: 2em;
    rotate: 90deg;
}

.accordion-005 summary::after {
    transition: rotate .3s;
}

.accordion-005[open] summary::after {
    rotate: 90deg;
}

.accordion-005 p {
    transform: translateY(-10px);
    opacity: 0;
    margin: 0;
    padding: 1em 2em 2em 2em;
    color: #333333;
    transition: transform .5s, opacity .5s;
}

.accordion-005[open] p {
    transform: none;
    opacity: 1;
}



/* --- カードレイアウト --- */
.card-backimage {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('img/img2.png');
    background-size: cover;
    background-position: center;
    filter: brightness(1);
    z-index: 1;
}

.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    /* スマホでは1列 */
    gap: 30px;
}

.card {
    background-color: var(--white-color);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card-img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.card-body {
    padding: 20px;
}

.card-title {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 20px;
}

.card-text {
    margin: 0;
    font-size: 15px;
}

.card-link {
    color: inherit;
    /* 親要素の色を継承 */
    text-decoration: none;
    /* 下線を削除 */
}

.card-link:hover {
    color: inherit;
    /* ホバー時も色を継承 */
}


/* --- ご依頼までの流れ --- */
.flow-list {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    max-width: 500px;
}

.flow-item {
    display: flex;
    align-items: flex-start;
    position: relative;
    padding-bottom: 40px;
}

.flow-item:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 50px;
    width: 2px;
    height: 100%;
    background-color: var(--sub-color);
    opacity: 0.3;
}

.flow-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--sub-color);
    color: var(--white-color);
    border-radius: 50%;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    margin-right: 20px;
}

.flow-content h3 {
    margin: 0 0 5px;
    font-size: 20px;
}

.flow-content p {
    margin: 0;
}


/* --- 自己紹介 --- */
.about-content {
    display: flex;
    flex-direction: column;
    /* スマホでは縦並び */
    align-items: center;
    gap: 30px;
    max-width: 700px;
    margin: 0 auto;
}

.about-image img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.about-text {
    text-align: left;
    /* スマホでは中央寄せ */
    max-width: 400px;
}

.about-text h3 {
    font-size: 24px;
    margin: 0 0 15px;
}

/* --- よくある質問 --- */
.qa-6 {
    max-width: 600px;
    margin-bottom: 5px;
    border-bottom: 2px solid #d6dde3;
}

.qa-6 summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: 1em 2em 1em 3em;
    color: #333333;
    font-weight: 600;
    cursor: pointer;
}

.qa-6 summary::before,
.qa-6 p::before {
    position: absolute;
    left: 1em;
    font-weight: 600;
    font-size: 1.3em;
}

.qa-6 summary::before {
    color: #75bbff;
    content: "Q";
}

.qa-6 summary::after {
    transform: translateY(-25%) rotate(45deg);
    width: 7px;
    height: 7px;
    margin-left: 10px;
    border-bottom: 3px solid #333333b3;
    border-right: 3px solid #333333b3;
    content: '';
    transition: transform .5s;
}

.qa-6[open] summary::after {
    transform: rotate(225deg);
}

.qa-6 p {
    position: relative;
    transform: translateY(-10px);
    opacity: 0;
    margin: 0;
    padding: .3em 3em 1.5em;
    color: #333;
    transition: transform .5s, opacity .5s;
}

.qa-6[open] p {
    transform: none;
    opacity: 1;
}

.qa-6 p::before {
    color: #ff8d8d;
    line-height: 1.2;
    content: "A";
}

/* --- 吹き出し --- */
.balloon-008 {
    display: flex;
    align-items: center;
    position: relative;
    max-width: 600px;
    margin-left: 15px;
    margin-bottom: 15px;
    padding: .8em 1.2em;
    border: 3px solid #2589d0;
    border-radius: 5px;
    background-color: #fff;
    color: #333333;
}

.balloon-008::before,
.balloon-008::after {
    position: absolute;
    left: -15px;
    width: 15px;
    height: 30px;
    clip-path: polygon(0 50%, 100% 0, 100% 100%);
    content: '';
}

.balloon-008::before {
    background-color: #2589d0;
}

.balloon-008::after {
    left: -11px;
    background-color: #fff;
}

/* --- お問い合わせ --- */
.contact-section {
    position: relative;
    height: 60vh;
    min-height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: left;
    padding: 20px;
}

#contact {
    text-align: center;
}

.contact-text {
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    background-color: var(--accent-color);
    color: var(--white-color);
    border-radius: 50px;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
    transition: background-color 0.3s, transform 0.3s;
}

.btn:hover {
    background-color: #ff6666;
    /* 少し濃い赤 */
    transform: scale(1.05);
    opacity: 1;
}

/* --- カードコンテンツ --- */
.card-content {
    display: none;
    /* 初期状態ではすべて非表示 */
}

/* --- カスタムセレクトボックス --- */
.selectbox-5 {
    display: inline-flex;
    align-items: center;
    position: relative;
    margin: 0 auto 20px auto;
    padding: 0;
    border-radius: 5px;
    background-color: #ffffff;
    box-shadow: 0 2px 3px rgb(0 0 0 / 20%);
    cursor: pointer;
    user-select: none;
    font-size: 1.2em;
    color: #333333;
    min-width: 230px;
    height: 2.8em;
    margin-bottom: 20px;
}

.selectbox-5::after {
    position: absolute;
    right: 15px;
    width: 10px;
    height: 7px;
    background-color: #535353;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
    content: '';
    pointer-events: none;
}

.selectbox-5 select {
    appearance: none;
    min-width: 230px;
    height: 2.8em;
    padding: .4em calc(.8em + 30px) .4em .8em;
    border: none;
    border-bottom: 2px solid #d0d0d0;
    background-color: #ffffff;
    color: #333333;
    font-size: 1em;
    cursor: pointer;
}

.selectbox-5 select:focus {
    outline: none;
}


/* --- Googleカレンダー埋め込み --- */
/* 最初はスマホ用を非表示にしておく */
.calendar-sp {
    display: none;
}



/* --- フッター --- */
.footer {
    background-color: var(--main-color);
    color: var(--white-color);
    padding: 20px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    /* 縦並び */
    justify-content: center;
    /* 垂直方向の揃え（主軸） */
    align-items: flex-start;
    /* 水平方向を左揃えにする（交差軸） */
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 20px;
    /* ロゴ間の余白 */
}

/* 著作権表示を中央に配置 */
.copyright {
    position: absolute;
    /* 親要素を基準に絶対配置する */
    left: 54%;
    margin: 0;
}

.footer-links a {
    color: var(--white-color);
    margin: 0 10px;
}


/* --- アニメーション --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s, transform 0.8s;
}

.fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: var(--main-color);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 1000;
}

.back-to-top:hover {
    background-color: var(--sub-color);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

/* --- プライシングテーブル --- */
.pricing-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 16px;
    text-align: left;
}

.pricing-table th,
.pricing-table td {
    border: 1px solid #5b5b5b;
    padding: 12px;
}

.pricing-table th {
    background-color: var(--main-color);
    color: var(--white-color);
}

.pricing-table tr:nth-child(even) {
    background-color: var(--bg-color);
}

.pricing-table tr:hover {
    background-color: #f1f1f1;
}

/* --- カスタムボックス --- */
.box-017 {
    max-width: 800px;
    margin: 0 auto;
    padding: .5em 1.5em 1em;
    border-top: 5px solid #2c3e50;
    border-radius: 3px;
    box-shadow: 0 2px 3px rgb(0 0 0 / 20%);
    background-color: #ffffff;
}

.box-017>div {
    margin-bottom: .5em;
    color: #2c3e50;
    font-weight: 600;
    font-size: 1.05em;
}

.box-017>p {
    margin: 0;
    color: #333;
}

.box-011 {
    position: relative;
    max-width: 800px;
    margin: 1.9em auto 0;
    padding: 1em 1.5em;
    border: 2px solid #a4a7a8;
    border-radius: 3px;
}

.box-011 span {
    position: absolute;
    top: -1.9em;
    left: -2px;
    padding: .2em .8em;
    border-radius: 5px 5px 0 0;
    background-color: #a4a7a8;
    color: #fff;
}

.box-011 p {
    margin: 0;
    color: #333;
}

/* --- カスタムリスト --- */
.list-4 {
    border: 2px solid #313e50;
}

.list-4 div {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    padding: 10px 0;
    background-color: #313e50;
    color: #fff;
    font-weight: 600;
}

.list-4 ul {
    list-style-type: disc;
    margin: 0;
    padding: 1em 1em 1em 2.5em;
}

.list-4 li {
    padding: .3em .3em .3em 0;
}

.list-4 li::marker {
    color: #313e50;
    font-size: 1.1em;
}

/* ----------------------------------- */
/* --------- カスタム見出し ----------- */
/* ----------------------------------- */
.heading-23 {
    padding: .5em .7em;
    border-left: 5px solid #353e50;
    border-bottom: 3px solid #d2d2d2;
    background-color: #fff;
    color: #333333;
}

.heading-24 {
    position: relative;
    padding-top: 1.5em;
    color: #333333;
    margin-top: 36px;
}

.heading-24::before {
    position: absolute;
    bottom: 12px;
    left: 0;
    z-index: -1;
    color: #ffffff;
    font-size: 3em;
    line-height: 1;
    content: attr(data-number);
    pointer-events: none;
}

.heading-21 {
    position: relative;
    padding: .5em .7em .4em;
    border: 3px solid #333333;
    color: #333333;
    background-color: #fff;
}

.heading-21::before,
.heading-21::after {
    position: absolute;
    left: 30px;
    bottom: -15px;
    width: 30px;
    height: 15px;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
    content: '';
}

.heading-21::before {
    background-color: #333333;
}

.heading-21::after {
    bottom: -11px;
    background-color: #fff;
}

.box-008 {
    display: flex;
    align-items: center;
    grid-gap: 0 .7em;
    margin: 0 auto;
    padding: 1em;
    border-radius: 5px;
    background-color: #ffffff;
    color: #333333;
}

.box-008::before {
    width: 16px;
    height: 8px;
    border-bottom: 3px solid #595959;
    border-left: 3px solid #595959;
    transform: rotate(-45deg) translate(2.5px, -2.5px);
    content: '';
}

.box-008 p {
    margin: 0;
    padding: 0 0 0 .7em;
    border-left: 1px solid #454545;
}

.box-006 {
    display: flex;
    grid-gap: 0 .7em;
    margin: 0 auto;
    padding: 1em;
    border-radius: 5px;
    background-color: #fff9e5;
    color: #333333;
}

.box-006::before {
    width: 24px;
    height: 24px;
    content: '';
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12.8995 6.85453L17.1421 11.0972L7.24264 20.9967H3V16.754L12.8995 6.85453ZM14.3137 5.44032L16.435 3.319C16.8256 2.92848 17.4587 2.92848 17.8492 3.319L20.6777 6.14743C21.0682 6.53795 21.0682 7.17112 20.6777 7.56164L18.5563 9.68296L14.3137 5.44032Z' fill='%23ffb36b'%3E%3C/path%3E%3C/svg%3E");
}

.box-006 p {
    margin: 0;
    padding: 0 0 0 .7em;
    border-left: 1px solid #ffb36b;
}


/* ----------------------------------- */
/* --- メディアクエリ (レスポンシブ) --- */
/* ----------------------------------- */

/* 画面幅が768px以下の場合に適用 */
@media (max-width: 768px) {
    .content-after {
        /* 左右に 12px の余白を設定 */
        padding-left: 12px;
        padding-right: 12px;
    }

    .footer-inner {
        flex-direction: column;
        /* 縦並びにする */
        height: auto;
        /* 高さを自動に */
        padding: 20px 0;
    }

    .copyright {
        position: static;
        /* 絶対配置を解除 */
        transform: none;
        /* transformをリセット */
        order: 1;
        /* 著作権表示を一番下に持ってくる */
        margin-top: 15px;
        /* 上のロゴとの余白 */
    }

    .footer-left {
        order: 0;
    }

    /* PC用を非表示に */
    .calendar-pc {
        display: none;
    }

    /* スマホ用を表示 */
    .calendar-sp {
        display: block;
    }
}

/* タブレット以上 */
@media (min-width: 768px) {
    .catch-copy {
        font-size: 40px;
    }

    .card-grid {
        grid-template-columns: repeat(2, 1fr);
        /* 2列 */
    }

    .about-content {
        flex-direction: row;
        /* 横並び */
        text-align: left;
        /* 左寄せ */
        gap: 50px;
    }

    .footer-inner {
        flex-direction: row;
        justify-content: space-between;
    }

    .copyright {
        margin: 0;
    }
}


/* PC以上 */
@media (min-width: 992px) {

    /* PCではサイドナビ表示、スマホヘッダー非表示 */
    .sidenav {
        display: block;
    }

    .header-sp,
    .nav-sp,
    .hamburger-menu {
        display: none;
    }

    /* サイドナビの幅だけメインコンテンツをずらす */
    .main-content {
        padding-top: 0;
        margin-left: var(--sidenav-width);
        width: calc(100% - var(--sidenav-width));
    }

    /* PCフッターも同様に調整 */
    .footer {
        margin-left: var(--sidenav-width);
        width: calc(100% - var(--sidenav-width));
    }

    .footer-inner {
        flex-direction: row;
        justify-content: space-between;
    }

    .copyright {
        margin: 0;
    }

    .hero-section {
        height: 100vh;
    }

    .catch-copy {
        font-size: 48px;
    }

    .card-grid {
        grid-template-columns: repeat(3, 1fr);
        /* 3列 */
    }
}