/* ============================================
   リセットCSS
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 横スクロール防止 */
* {
    max-width: 100%;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: #333333;
    line-height: 1.7;
    background-color: #FFFFFF;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

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

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

ul {
    list-style: none;
}

/* ============================================
   カラーパレット
   ============================================ */
:root {
    --color-white: #FFFFFF;
    --color-light-gray: #F4F4F4;
    --color-dark-gray: #333333;
    --color-soft-pink: #F4C9D4;
    --color-pink-gray: #E8B8C4;
    --color-shadow-gray: #DDDDDD;
}

/* ============================================
   コンテナ
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ============================================
   セクションタイトル
   ============================================ */
.section-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 60px;
    color: var(--color-dark-gray);
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-soft-pink);
}

/* ============================================
   ヘッダー
   ============================================ */
.header {
    background-color: var(--color-white);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-dark-gray);
}

.nav-list {
    display: flex;
    gap: 40px;
}

.nav-list a {
    font-size: 1rem;
    color: var(--color-dark-gray);
    transition: color 0.3s;
}

.nav-list a:hover {
    color: var(--color-soft-pink);
}

.btn-contact-header {
    background-color: var(--color-soft-pink);
    color: var(--color-white);
    padding: 10px 24px;
    border-radius: 30px;
    font-size: 0.9rem;
    transition: background-color 0.3s;
}

.btn-contact-header:hover {
    background-color: var(--color-pink-gray);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--color-dark-gray);
    transition: all 0.3s;
}

/* ============================================
   メインビジュアル（ヒーロー）
   ============================================ */
.hero {
    position: relative;
    height: 70vh;
    min-height: 500px;
    background-image: url('images/hero-image.png');
    background-size: cover;
    background-position: center;
    background-color: var(--color-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 画像を淡くするためのフィルター */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.5);
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.3);
    z-index: 1;
}

    .hero-content {
        position: relative;
        z-index: 2;
        text-align: center;
        color: var(--color-dark-gray);
        padding: 0 20px;
        max-width: 800px;
        width: 100%;
        box-sizing: border-box;
    }

/* デスクトップ版では幅を広げて折り返しを防ぐ */
@media (min-width: 1024px) {
    .hero-content {
        max-width: 1200px;
        padding: 0 40px;
    }
}

.hero-title {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: 30px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* デスクトップ（1024px以上）では大きく表示 */
@media (min-width: 1024px) {
    .hero-title {
        font-size: clamp(3.5rem, 5vw, 5rem);
        line-height: 1.5;
        margin-bottom: 40px;
    }
    
    /* デスクトップ版では各行を折り返さない */
    .hero-title-line {
        display: inline-block;
        white-space: nowrap;
    }
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    line-height: 1.8;
}

.btn-hero {
    display: inline-block;
    background-color: var(--color-soft-pink);
    color: var(--color-white);
    padding: 18px 50px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 500;
    transition: background-color 0.3s, transform 0.2s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn-hero:hover {
    background-color: var(--color-pink-gray);
    transform: translateY(-2px);
}

/* ============================================
   特徴紹介
   ============================================ */
.features {
    padding: 120px 0;
    background-color: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    background-color: var(--color-white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.02);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--color-dark-gray);
}

.feature-text {
    font-size: 1rem;
    line-height: 1.8;
    color: #666666;
}

/* ============================================
   主な工事内容
   ============================================ */
.services {
    padding: 120px 0;
    background-color: var(--color-light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.service-card {
    background-color: var(--color-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.02);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.service-image {
    width: 100%;
    height: 200px;
    background-color: var(--color-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-image-placeholder {
    color: #999999;
    font-size: 1.2rem;
}

.service-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.5rem;
    font-weight: 600;
    padding: 25px 25px 15px;
    color: var(--color-dark-gray);
    border-bottom: 2px solid var(--color-soft-pink);
}

.service-list {
    padding: 20px 25px 30px;
}

.service-list li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    color: #666666;
}

.service-list li::before {
    content: '・';
    position: absolute;
    left: 0;
    color: var(--color-soft-pink);
    font-weight: bold;
}

.services-button-wrapper {
    text-align: center;
}

.btn-services {
    display: inline-block;
    background-color: var(--color-soft-pink);
    color: var(--color-white);
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.3s;
}

.btn-services:hover {
    background-color: var(--color-pink-gray);
}

/* ============================================
   対応エリア
   ============================================ */
.area {
    padding: 80px 0;
    background-color: var(--color-white);
}

.area-content {
    text-align: center;
}

/* タイトルと地図の間に16pxの余白 */
.area .section-title {
    margin-bottom: 16px;
}

.area-map {
    width: 100%;
    max-width: 1000px;
    height: 450px;
    margin: 0 auto 30px;
    background-color: var(--color-light-gray);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
}

.area-map iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.area-text {
    font-size: 1.2rem;
    color: var(--color-dark-gray);
    position: relative;
    padding-bottom: 15px;
    display: inline-block;
}

.area-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-soft-pink);
}

/* ============================================
   代表紹介
   ============================================ */
.representative {
    padding: 120px 0;
    background-color: var(--color-white);
}

.representative-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    align-items: center;
}

.representative-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background-color: var(--color-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.representative-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.representative-image-placeholder {
    color: #999999;
    font-size: 1rem;
}

.representative-name {
    font-family: 'Noto Serif JP', serif;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--color-dark-gray);
}

.representative-title {
    font-size: 1.1rem;
    color: var(--color-soft-pink);
    margin-bottom: 25px;
    font-weight: 500;
}

.representative-description {
    font-size: 1rem;
    line-height: 2;
    color: #666666;
}

/* ============================================
   お問い合わせエリア
   ============================================ */
.contact {
    padding: 120px 0;
    background-color: rgba(244, 201, 212, 0.1);
}

.contact-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background-color: var(--color-white);
    padding: 60px 40px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.contact-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--color-dark-gray);
}

.contact-message {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: #666666;
}

.contact-info {
    margin-bottom: 40px;
}

.contact-tel {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark-gray);
    margin-bottom: 10px;
    transition: color 0.3s;
}

.contact-tel:hover {
    color: var(--color-soft-pink);
}

.contact-time {
    font-size: 0.9rem;
    color: #999999;
}

.btn-contact {
    display: inline-block;
    background-color: var(--color-soft-pink);
    color: var(--color-white);
    padding: 18px 50px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 500;
    transition: background-color 0.3s;
    width: 100%;
    max-width: 400px;
}

.btn-contact:hover {
    background-color: var(--color-pink-gray);
}

/* ============================================
   フッター
   ============================================ */
.footer {
    background-color: var(--color-dark-gray);
    color: var(--color-white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-address,
.footer-tel {
    font-size: 0.9rem;
    line-height: 1.8;
    color: #CCCCCC;
    margin-bottom: 10px;
}

.footer-nav-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-nav-list a {
    color: #CCCCCC;
    transition: color 0.3s;
}

.footer-nav-list a:hover {
    color: var(--color-soft-pink);
}

.footer-copyright {
    text-align: center;
    font-size: 0.85rem;
    color: #999999;
    padding-top: 30px;
    border-top: 1px solid #555555;
}

/* ============================================
   レスポンシブ（タブレット）
   ============================================ */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }

    .hero-title {
        font-size: clamp(1.8rem, 3.5vw, 3rem);
    }

    .features-grid,
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .representative-content {
        grid-template-columns: 250px 1fr;
        gap: 40px;
    }
}

/* ============================================
   レスポンシブ（スマホ）
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
        width: 100%;
        max-width: 100%;
    }

    .header-container {
        padding: 15px 20px;
        width: 100%;
        max-width: 100%;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-white);
        transition: left 0.3s;
        z-index: 999;
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
    }

    .nav-open {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        padding: 40px 20px;
        gap: 0;
    }

    .nav-list li {
        border-bottom: 1px solid var(--color-light-gray);
    }

    .nav-list a {
        display: block;
        padding: 20px 0;
        font-size: 1.1rem;
    }

    .btn-contact-header {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hamburger-open span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

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

    .hero {
        height: 60vh;
        min-height: 400px;
    }

    .hero-title {
        font-size: clamp(1.5rem, 3vw, 2.5rem);
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }

    .features {
        padding: 80px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .services {
        padding: 80px 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .area {
        padding: 60px 0;
    }

    .area-map {
        height: 320px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .representative {
        padding: 80px 0;
    }

    .representative-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .representative-image {
        margin: 0 auto;
        width: 100%;
        max-width: 300px;
    }

    .contact {
        padding: 80px 0;
    }

    .contact-box {
        padding: 40px 25px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .contact-title {
        font-size: 2rem;
    }

    .contact-tel {
        font-size: 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
    }

    .footer-nav-list {
        flex-direction: row;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(1.3rem, 2.5vw, 2rem);
    }

    .section-title {
        font-size: 1.8rem;
    }

    .feature-card,
    .service-card {
        padding: 30px 20px;
    }

    .contact-tel {
        font-size: 1.3rem;
    }
}

/* ============================================
   ページタイトル
   ============================================ */
.page-title {
    padding: 80px 0 40px;
    background-color: var(--color-white);
    text-align: center;
}

.page-title-text {
    font-family: 'Noto Serif JP', serif;
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-dark-gray);
    position: relative;
    padding-bottom: 20px;
    display: inline-block;
}

.page-title-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--color-soft-pink);
}

/* ============================================
   会社概要ページ
   ============================================ */
.company-info {
    padding: 80px 0;
    background-color: var(--color-white);
}

.company-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.company-info-text {
    padding-right: 40px;
}

.section-subtitle {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--color-dark-gray);
    position: relative;
    padding-bottom: 15px;
}

.section-subtitle::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 2px;
    background-color: var(--color-soft-pink);
}

.info-list {
    display: grid;
    gap: 20px;
}

.info-list dt {
    font-weight: 600;
    color: var(--color-dark-gray);
    margin-bottom: 5px;
}

.info-list dd {
    color: #666666;
    margin-left: 0;
    line-height: 1.8;
}

.company-info-map {
    position: sticky;
    top: 100px;
}

.company-map {
    width: 100%;
    height: 350px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.company-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* タイムライン */
.history {
    padding: 80px 0;
    background-color: var(--color-light-gray);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-soft-pink);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    padding-left: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -25px;
    top: 5px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--color-soft-pink);
    border: 3px solid var(--color-white);
    box-shadow: 0 0 0 2px var(--color-soft-pink);
}

.timeline-year {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-soft-pink);
    margin-bottom: 10px;
}

.timeline-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--color-dark-gray);
}

.timeline-text {
    color: #666666;
    line-height: 1.8;
}

/* 事業内容詳細 */
.services-detail {
    padding: 80px 0;
    background-color: var(--color-white);
}

.services-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.service-detail-card {
    background-color: var(--color-white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.02);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.service-detail-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-detail-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-dark-gray);
}

.service-detail-list {
    text-align: left;
    list-style: none;
    padding: 0;
}

.service-detail-list li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    color: #666666;
}

.service-detail-list li::before {
    content: '・';
    position: absolute;
    left: 0;
    color: var(--color-soft-pink);
    font-weight: bold;
}

/* 強み・特徴 */
.strengths {
    padding: 80px 0;
    background-color: var(--color-white);
}

.strengths-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.strengths-image {
    width: 100%;
    height: 400px;
    background-color: var(--color-light-gray);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.strengths-image-placeholder {
    color: #999999;
    font-size: 1.2rem;
}

.strengths-list {
    list-style: none;
    padding: 0;
}

.strengths-list li {
    padding: 15px 0;
    padding-left: 30px;
    position: relative;
    font-size: 1.1rem;
    color: #666666;
    line-height: 1.8;
}

.strengths-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-soft-pink);
    font-weight: bold;
    font-size: 1.3rem;
}

/* ============================================
   お問い合わせページ
   ============================================ */
.contact-intro {
    padding: 40px 0;
    background-color: var(--color-white);
    text-align: center;
}

.contact-intro-text {
    font-size: 1.2rem;
    color: #666666;
    line-height: 2;
}

.contact-methods {
    padding: 80px 0;
    background-color: var(--color-white);
}

.contact-methods-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-method-card {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.02);
}

.contact-method-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    text-align: center;
}

.contact-method-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--color-dark-gray);
    text-align: center;
}

.contact-tel-large {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark-gray);
    text-align: center;
    margin-bottom: 15px;
    transition: color 0.3s;
}

.contact-tel-large:hover {
    color: var(--color-soft-pink);
}

.contact-time {
    text-align: center;
    font-size: 0.9rem;
    color: #999999;
}

/* フォーム */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-dark-gray);
}

.required {
    color: var(--color-soft-pink);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid var(--color-shadow-gray);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Noto Sans JP', sans-serif;
    transition: border-color 0.3s;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    background-color: var(--color-soft-pink);
    color: var(--color-white);
    padding: 18px 50px;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.btn-submit:hover {
    background-color: var(--color-pink-gray);
}

.contact-area {
    padding: 60px 0;
    background-color: var(--color-light-gray);
    text-align: center;
}

.contact-area-text {
    font-size: 1.2rem;
    color: var(--color-dark-gray);
}

/* フォームメッセージ */
.form-message {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
}

.form-message-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ロゴリンク */
.logo h1 a {
    color: inherit;
    text-decoration: none;
}

/* レスポンシブ（会社概要・お問い合わせページ） */
@media (max-width: 1024px) {
    .company-info-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .company-info-map {
        position: static;
    }

    .company-map {
        height: 300px;
    }

    .contact-methods-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .page-title {
        padding: 60px 0 30px;
    }

    .page-title-text {
        font-size: 2rem;
    }

    .company-info {
        padding: 60px 0;
    }

    .company-info-text {
        padding-right: 0;
    }

    .timeline {
        padding-left: 30px;
    }

    .timeline::before {
        left: 10px;
    }

    .timeline-item {
        padding-left: 30px;
    }

    .timeline-item::before {
        left: -20px;
        width: 16px;
        height: 16px;
    }

    .services-detail-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .strengths-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .strengths-image {
        height: 300px;
    }

    .contact-methods {
        padding: 60px 0;
    }

    .contact-tel-large {
        font-size: 1.5rem;
    }

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