:root {
    --primary-color: #0a2342;   /* ロゴの濃紺 */
    --accent-color: #00bcd4;    /* ロゴのシアン */
    --light-bg: #f9f9f9;
    --dark-text: #333;
    --white: #ffffff;
    --bg-color: #ffffff;
    --note-color: #6c757d;
}

body {
    margin: 0;
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--white);
    text-align: center;
}

/* リンク */
.link-accent {
    font-size: 14px;
    color: var(--accent-color);
    text-decoration: none;
}

.link-accent:hover {
    text-decoration: underline;
}

.lang-switch {
    text-align: right;
    padding: 10px 0;
}


/* コンテナ */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
}

/* ヘッダー */
header {
    padding: 20px 20px 0 20px;
    background-color: var(--bg-color);
    margin-bottom: 0;
    position: relative;
}


header .container {
    padding: 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.header-logo-img {
    max-width: 160px;
    height: auto;
}

.catchphrase {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin: 0;
    font-weight: 700;
    text-align: left;
}

/* ヒーロー */
.hero-section {
    background: url('../img/hero_kobe.jpg') no-repeat center center / cover;
    color: var(--white);
    padding: 120px 20px;
    position: relative;
    min-height: 400px;
}

.hero-text {
    background: var(--white);
    color: var(--primary-color);
    text-align: center;
    padding: 20px 20px 40px 20px;
}

.hero-text h2 {
    font-size: 2.2rem;
    margin-top: 0;
    margin-bottom: 10px;
}

.hero-text p {
    font-size: 1.1rem;
    margin: 0;
}

.hero-section::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(10, 35, 66, 0.6);
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-section h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.hero-section p {
    font-size: 1.2rem;
}

/* 事業内容 */
.services {
    padding: 80px 20px;
    background-color: var(--light-bg);
}

.services h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* お問い合わせ */
.contact {
    padding: 60px 20px;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #0097a7;
}

/* コンテンツページ共通 */
.content-page-main {
    background-color: #f5f7f8;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.content-container {
    background-color: var(--white);
    width: 90%;
    max-width: 900px;
    margin: 60px auto;
    padding: 20px 50px 50px;
    box-sizing: border-box;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* フッター */
footer {
    padding: 20px;
    background-color: var(--primary-color);
    color: var(--white);
    font-size: 0.9rem;
    text-align: center;
}

.footer-link {
    color: var(--white);
    text-decoration: underline;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--accent-color);
}

/* ナビゲーションバー */
.main-nav {
    background-color: var(--bg-color);
    border-top: none;
    padding: 10px 20px;
    position: relative;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu li a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    font-size: 0.95rem;
    padding: 6px 16px;
    border-radius: 4px;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-menu li a:hover {
    color: var(--accent-color);
    background-color: rgba(0, 188, 212, 0.08);
}

/* ハンバーガーボタン（デスクトップでは非表示） */
.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    position: absolute;
    right: 16px;
    top: 8px;
    z-index: 101;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--primary-color);
    margin: 5px 0;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-hamburger.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-hamburger.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 言語切り替え */
.header-lang-switch {
    display: flex;
    align-items: center;
    position: absolute;
    right: 0;
    gap: 4px;
}

.lang-icon {
    font-size: 16px;
    line-height: 1;
}

.header-lang-switch select {
    font-size: 13px;
    padding: 4px 8px;
    border: 1px solid #ccc;
    border-radius: 20px;
    color: var(--dark-text);
    background-color: var(--white);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23333'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 22px;
}

.header-lang-switch select:hover {
    border-color: var(--accent-color);
}

.header-lang-switch select:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 1px;
    border-color: var(--accent-color);
}

/* モバイル対応 */
@media (max-width: 600px) {
    .nav-hamburger {
        display: block;
    }

    .main-nav {
        padding: 0;
    }

    .nav-inner {
        display: none;
        flex-direction: column;
        align-items: center;
        padding: 16px 0;
        border-top: 1px solid #e0e0e0;
    }

    .nav-inner.is-open {
        display: flex;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .nav-menu li {
        width: 100%;
        text-align: center;
    }

    .nav-menu li a {
        display: block;
        padding: 12px 16px;
        border-radius: 0;
    }

    .nav-menu li a:hover {
        background-color: rgba(0, 188, 212, 0.08);
    }

    .header-lang-switch {
        position: static;
        margin-left: 0;
        margin-top: 12px;
        justify-content: center;
    }
}

/*セクションのスタイル*/
.section-title {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 40px 0 20px 0;
}

.section-title::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 32px;
    background-color: var(--accent-color);
    margin-right: 12px;
    border-radius: 2px;
}

/* モバイル対応 */
@media (max-width: 600px) {
    header {
        padding: 18px 10px;
    }

    .header-content {
        flex-direction: column;
        gap: 0;
    }

    .catchphrase {
        font-size: 0.55rem;
        text-align: center;
        letter-spacing: 0.05em;
        opacity: 0.6;
        margin-top: -2px;
    }

    .catchphrase .catch-first,
    .catchphrase .catch-second {
        display: inline;
    }

    .hero-section {
        padding: 60px 10px;
        min-height: 250px;
    }

    .hero-text h2 {
        font-size: 1.5rem;
        margin-bottom: 4px;
    }

    .hero-text p {
        font-size: 0.65rem;
        opacity: 0.6;
    }

    .hero-text {
        padding: 20px 10px 28px 10px;
    }
}

/* reCAPTCHA - モバイル対応 */
@media (max-width: 768px) {
    .content-container {
        width: 95%;
        padding: 30px 20px;
        margin: 10px auto;
    }

    .g-recaptcha {
        transform: scale(0.77);
        transform-origin: 0 0;
    }
}

@media (max-width: 400px) {
    .g-recaptcha {
        transform: scale(0.7);
        transform-origin: 0 0;
    }
}