/* ========================================
   リセット & ベーススタイル
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット - 新海誠風 + HaREカラー */
    --color-primary: #4A9FD8; /* 水色 - HaRE */
    --color-secondary: #FF8C42; /* オレンジ - ハレノヒ */
    --color-sky-light: #E8F4F8;
    --color-sky-blue: #87CEEB;
    --color-sky-deep: #4A90E2;
    --color-sunset: #FFB84D;
    --color-text-dark: #2C3E50;
    --color-text-light: #5A6C7D;
    --color-white: #FFFFFF;
    --color-light-gray: #F8F9FA;
    --color-border: #E1E8ED;
    
    /* タイポグラフィ */
    --font-primary: 'Noto Sans JP', 'Zen Kaku Gothic New', sans-serif;
    --font-size-base: 16px;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========================================
   ナビゲーション
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo a {
    display: flex;
    flex-direction: column;
}

.logo-hare {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-top: -0.25rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-dark);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-phone {
    background: linear-gradient(135deg, var(--color-primary), var(--color-sky-deep));
    color: var(--color-white);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px rgba(74, 159, 216, 0.3);
}

.nav-phone:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 159, 216, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-text-dark);
    transition: all var(--transition-normal);
}

/* ========================================
   ヒーローセクション - 新海誠風
======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
}

/* レンズフレア効果 */
.hero-background::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        /* メインフレア */
        radial-gradient(circle at 35% 25%, rgba(255, 255, 255, 0.8) 0%, transparent 2%),
        radial-gradient(circle at 37% 27%, rgba(255, 220, 150, 0.6) 0%, transparent 4%),
        radial-gradient(circle at 36% 26%, rgba(255, 240, 200, 0.4) 0%, transparent 6%),
        /* セカンダリーフレア */
        radial-gradient(circle at 65% 55%, rgba(255, 255, 255, 0.5) 0%, transparent 3%),
        radial-gradient(circle at 67% 57%, rgba(150, 200, 255, 0.4) 0%, transparent 5%),
        radial-gradient(circle at 66% 56%, rgba(200, 220, 255, 0.3) 0%, transparent 7%),
        /* 小さな光の反射 */
        radial-gradient(circle at 50% 40%, rgba(255, 255, 255, 0.3) 0%, transparent 2%),
        radial-gradient(circle at 75% 70%, rgba(255, 255, 255, 0.25) 0%, transparent 2.5%),
        radial-gradient(circle at 20% 60%, rgba(255, 255, 255, 0.2) 0%, transparent 2%);
    pointer-events: none;
    animation: lensFlareFloat 15s ease-in-out infinite;
}

@keyframes lensFlareFloat {
    0%, 100% {
        opacity: 0.7;
        transform: translate(0, 0) scale(1);
    }
    25% {
        opacity: 0.9;
        transform: translate(10px, -5px) scale(1.02);
    }
    50% {
        opacity: 1;
        transform: translate(20px, -10px) scale(1.05);
    }
    75% {
        opacity: 0.85;
        transform: translate(15px, -7px) scale(1.03);
    }
}

/* キャラクター画像 */
.hero-characters {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.characters-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center bottom;
    opacity: 0;
    animation: charactersAppear 2s ease-out 0.5s forwards;
    mix-blend-mode: normal;
}

@keyframes charactersAppear {
    0% {
        opacity: 0;
        transform: translateY(30px) scale(0.98);
    }
    100% {
        opacity: 0.85;
        transform: translateY(0) scale(1);
    }
}

.sky-gradient {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        #1e3a5f 0%,
        #2a5298 15%,
        #4A90E2 30%,
        #87CEEB 45%,
        #b8d8f0 55%,
        #E8F4F8 65%,
        #ffd7a8 78%,
        #ffb366 88%,
        #FF8C42 100%
    );
    animation: skyAnimation 30s ease-in-out infinite;
}

@keyframes skyAnimation {
    0%, 100% {
        opacity: 1;
        filter: brightness(1);
    }
    25% {
        opacity: 0.95;
        filter: brightness(1.05);
    }
    50% {
        opacity: 0.9;
        filter: brightness(0.95);
    }
    75% {
        opacity: 0.95;
        filter: brightness(1.02);
    }
}

.clouds {
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        /* 上層の雲 */
        radial-gradient(ellipse 1000px 120px at 15% 25%, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0.3) 40%, transparent 60%),
        radial-gradient(ellipse 800px 100px at 45% 35%, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0.2) 45%, transparent 65%),
        /* 中層の雲 */
        radial-gradient(ellipse 900px 110px at 70% 45%, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0.15) 50%, transparent 70%),
        radial-gradient(ellipse 700px 90px at 25% 55%, rgba(255, 255, 255, 0.45) 0%, rgba(255, 255, 255, 0.12) 48%, transparent 68%),
        /* 下層の雲（夕焼けの影響を受けた雲）*/
        radial-gradient(ellipse 850px 95px at 85% 75%, rgba(255, 200, 150, 0.4) 0%, rgba(255, 180, 120, 0.15) 45%, transparent 65%),
        radial-gradient(ellipse 750px 85px at 40% 80%, rgba(255, 210, 160, 0.35) 0%, rgba(255, 190, 130, 0.12) 50%, transparent 70%);
    animation: cloudsMove 90s linear infinite;
}

@keyframes cloudsMove {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-150px);
    }
}

.light-rays {
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        /* 主要な光源 */
        radial-gradient(
            ellipse 1200px 1200px at 50% 15%,
            rgba(255, 255, 255, 0.4) 0%,
            rgba(255, 240, 200, 0.2) 30%,
            transparent 70%
        ),
        /* 光の筋1 */
        linear-gradient(
            125deg,
            transparent 0%,
            transparent 45%,
            rgba(255, 255, 255, 0.08) 48%,
            rgba(255, 255, 255, 0.15) 50%,
            rgba(255, 255, 255, 0.08) 52%,
            transparent 55%,
            transparent 100%
        ),
        /* 光の筋2 */
        linear-gradient(
            115deg,
            transparent 0%,
            transparent 55%,
            rgba(255, 255, 255, 0.06) 58%,
            rgba(255, 255, 255, 0.12) 60%,
            rgba(255, 255, 255, 0.06) 62%,
            transparent 65%,
            transparent 100%
        );
    animation: lightPulse 12s ease-in-out infinite;
}

@keyframes lightPulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    25% {
        opacity: 0.8;
        transform: scale(1.05);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
    75% {
        opacity: 0.7;
        transform: scale(1.03);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 2rem;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--color-white);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.title-line {
    display: inline-block;
    animation: fadeInUp 1s ease-out forwards;
    opacity: 0;
}

.title-line:nth-child(1) {
    animation-delay: 0.2s;
}

.title-line:nth-child(2) {
    animation-delay: 0.4s;
    margin: 0 0.5rem;
}

.title-line:nth-child(3) {
    animation-delay: 0.6s;
}

.title-line.highlight {
    color: var(--color-secondary);
    font-size: 5rem;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: 2rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease-out 0.8s forwards;
    opacity: 0;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 1s forwards;
    opacity: 0;
}

.feature-tag {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-dark);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-tag i {
    color: var(--color-primary);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    animation: fadeInUp 1s ease-out 1.2s forwards;
    opacity: 0;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary), #FFB84D);
    color: var(--color-white);
    box-shadow: 0 6px 25px rgba(255, 140, 66, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 140, 66, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-primary);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: var(--color-white);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-white);
    font-size: 0.85rem;
    animation: fadeInUp 1s ease-out 1.4s forwards;
    opacity: 0;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--color-white);
    margin: 0.5rem auto 0;
    animation: scrollLineMove 1.5s ease-in-out infinite;
}

@keyframes scrollLineMove {
    0%, 100% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(10px);
        opacity: 0.5;
    }
}

/* ========================================
   キラキラエフェクト（光の粒子）
======================================== */
.hero-background::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.8) 0%, transparent 0.5%),
        radial-gradient(circle at 60% 20%, rgba(255, 255, 255, 0.6) 0%, transparent 0.5%),
        radial-gradient(circle at 80% 40%, rgba(255, 255, 255, 0.7) 0%, transparent 0.5%),
        radial-gradient(circle at 15% 60%, rgba(255, 255, 255, 0.5) 0%, transparent 0.5%),
        radial-gradient(circle at 45% 70%, rgba(255, 255, 255, 0.6) 0%, transparent 0.5%),
        radial-gradient(circle at 75% 80%, rgba(255, 255, 255, 0.4) 0%, transparent 0.5%),
        radial-gradient(circle at 90% 25%, rgba(255, 255, 255, 0.5) 0%, transparent 0.5%),
        radial-gradient(circle at 30% 85%, rgba(255, 255, 255, 0.6) 0%, transparent 0.5%),
        radial-gradient(circle at 55% 45%, rgba(255, 255, 255, 0.7) 0%, transparent 0.5%),
        radial-gradient(circle at 10% 15%, rgba(255, 255, 255, 0.5) 0%, transparent 0.5%);
    pointer-events: none;
    animation: sparkleAnimation 4s ease-in-out infinite;
}

@keyframes sparkleAnimation {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

/* 追加の浮遊する光の粒子 */
@keyframes floatingParticle1 {
    0% {
        transform: translate(0, 0) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 0.8;
    }
    100% {
        transform: translate(100px, -200px) scale(1);
        opacity: 0;
    }
}

@keyframes floatingParticle2 {
    0% {
        transform: translate(0, 0) scale(0);
        opacity: 0;
    }
    15% {
        opacity: 1;
    }
    85% {
        opacity: 0.6;
    }
    100% {
        transform: translate(-80px, -180px) scale(0.8);
        opacity: 0;
    }
}

@keyframes floatingParticle3 {
    0% {
        transform: translate(0, 0) scale(0);
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    80% {
        opacity: 0.7;
    }
    100% {
        transform: translate(60px, -220px) scale(1.2);
        opacity: 0;
    }
}

/* ========================================
   緊急連絡バー
======================================== */
.emergency-bar {
    background: linear-gradient(135deg, var(--color-secondary), #FFB84D);
    padding: 1.25rem 0;
    box-shadow: 0 4px 15px rgba(255, 140, 66, 0.2);
}

.emergency-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    color: var(--color-white);
    flex-wrap: wrap;
}

.emergency-content i {
    font-size: 1.5rem;
}

.emergency-phone {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.emergency-phone:hover {
    transform: scale(1.05);
}

.emergency-time {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ========================================
   セクション共通スタイル
======================================== */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

/* ========================================
   対応エリアバッジ
======================================== */
.service-area {
    padding: 2rem 0;
    background: linear-gradient(135deg, #FFF8F0 0%, #F0F8FF 100%);
}

.area-badge {
    background: linear-gradient(135deg, var(--color-primary) 0%, #FF7733 100%);
    color: var(--color-white);
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 8px 25px rgba(255, 153, 51, 0.3);
    font-weight: 600;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    animation: areaBadgePulse 3s ease-in-out infinite;
}

@keyframes areaBadgePulse {
    0%, 100% {
        box-shadow: 0 8px 25px rgba(255, 153, 51, 0.3);
        transform: translateY(0);
    }
    50% {
        box-shadow: 0 12px 35px rgba(255, 153, 51, 0.4);
        transform: translateY(-3px);
    }
}

.area-badge::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: areaShine 3s ease-in-out infinite;
}

@keyframes areaShine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.area-badge i {
    font-size: 1.3rem;
    animation: areaIconBounce 2s ease-in-out infinite;
}

@keyframes areaIconBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
}

.area-text {
    font-size: 1.2rem;
    letter-spacing: 0.05em;
    position: relative;
    z-index: 1;
}

.area-subtext {
    font-size: 0.9rem;
    opacity: 0.9;
    border-left: 2px solid rgba(255, 255, 255, 0.5);
    padding-left: 1rem;
    position: relative;
    z-index: 1;
}

/* ========================================
   コンセプトセクション
======================================== */
.concept {
    background: var(--color-light-gray);
}

.concept-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.concept-title {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 2rem;
    font-weight: 700;
    line-height: 1.6;
}

.concept-message {
    font-size: 1.4rem;
    line-height: 2.2;
    text-align: center;
    color: var(--color-text-dark);
    font-weight: 500;
}

.concept-description p {
    margin-bottom: 1.2rem;
    line-height: 1.9;
}

.concept-description strong {
    color: var(--color-primary);
    font-weight: 600;
}

.highlight-text {
    font-size: 1.15rem;
    line-height: 2;
    padding: 1.5rem;
    background: var(--color-white);
    border-left: 4px solid var(--color-secondary);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.concept-image .image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-sky-light), var(--color-primary));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 40px rgba(74, 159, 216, 0.2);
}

.concept-image i {
    font-size: 6rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   サービス特徴
======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
    border-color: var(--color-primary);
}

.feature-card.highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-sky-deep));
    color: var(--color-white);
}

.feature-card.highlight .feature-title,
.feature-card.highlight .feature-description {
    color: var(--color-white);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-sky-light), var(--color-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 6px 20px rgba(74, 159, 216, 0.3);
}

.feature-card.highlight .feature-icon {
    background: rgba(255, 255, 255, 0.2);
}

.feature-icon i {
    font-size: 2rem;
    color: var(--color-primary);
}

.feature-card.highlight .feature-icon i {
    color: var(--color-white);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text-dark);
}

.feature-description {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.feature-list i {
    color: var(--color-primary);
    font-size: 0.9rem;
}

.feature-card.highlight .feature-list i {
    color: var(--color-white);
}

/* ========================================
   対応ケース
======================================== */
.cases {
    background: linear-gradient(135deg, var(--color-sky-light), #FFF8F0);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.case-item {
    background: var(--color-white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-normal);
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.12);
}

.case-item i {
    font-size: 2.5rem;
    color: var(--color-secondary);
    margin-bottom: 1rem;
}

.case-item p {
    line-height: 1.8;
    font-weight: 500;
}

.cases-support {
    text-align: center;
    padding: 2.5rem;
    background: var(--color-white);
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.cases-support h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--color-text-dark);
}

/* ========================================
   嚥下体操プロモーションセクション
======================================== */
.swallowing-promotion {
    padding: 5rem 0;
    background: linear-gradient(135deg, #fff5f0 0%, #f0f8ff 100%);
}

.promotion-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.promotion-title {
    font-size: 2.2rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.promotion-title i {
    color: var(--color-secondary);
    margin-right: 0.5rem;
}

.promotion-description {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--color-text);
    margin-bottom: 2rem;
}

.promotion-features {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.promo-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

.promo-feature i {
    color: var(--color-secondary);
    font-size: 1.2rem;
}

.promotion-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.promotion-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.promotion-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.promotion-image:hover img {
    transform: scale(1.05);
}

.support-tags {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.support-tag {
    background: linear-gradient(135deg, var(--color-primary), var(--color-sky-deep));
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(74, 159, 216, 0.3);
    transition: all var(--transition-fast);
}

.support-tag:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(74, 159, 216, 0.4);
}

/* ========================================
   代表メッセージ
======================================== */
.message {
    background: var(--color-white);
}

.message-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
}

.message-quote {
    font-size: 1.5rem;
    line-height: 2;
    color: var(--color-text-dark);
    font-weight: 500;
    font-style: italic;
    border-left: 5px solid var(--color-secondary);
    padding-left: 2rem;
    margin: 2rem 0;
}

.message-author {
    margin-top: 2rem;
}

.author-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 0.5rem;
}

.author-title {
    font-size: 1.1rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.author-affiliation {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.8;
}

.author-activities {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 2px solid var(--color-border);
}

.activities-title {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

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

.activities-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.activities-list li:last-child {
    border-bottom: none;
}

.activities-list li:hover {
    padding-left: 0.5rem;
    background: rgba(255, 153, 51, 0.05);
}

.activities-list i {
    font-size: 1.3rem;
    color: var(--color-secondary);
    margin-top: 0.2rem;
    min-width: 24px;
}

.activities-list strong {
    color: var(--color-text-dark);
    font-weight: 600;
}

.message-image .image-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, var(--color-light-gray), var(--color-border));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.message-image i {
    font-size: 6rem;
    color: rgba(0, 0, 0, 0.1);
}

/* ========================================
   スタッフ紹介
======================================== */
.staff {
    background: linear-gradient(135deg, var(--color-sky-light), #FFF8F0);
}

.staff-intro {
    text-align: center;
}

.staff-text {
    font-size: 1.3rem;
    line-height: 2;
    color: var(--color-text-dark);
    font-weight: 500;
}

/* ========================================
   お問い合わせ
======================================== */
.contact {
    background: var(--color-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: var(--color-text-dark);
    margin-bottom: 0.5rem;
}

.contact-info h4 {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.info-item:last-child {
    border-bottom: none;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--color-primary);
    width: 30px;
    text-align: center;
}

.info-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-text-dark);
}

.info-item a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.info-item a:hover {
    color: var(--color-sky-deep);
}

/* フォーム */
.contact-form {
    background: var(--color-light-gray);
    padding: 2.5rem;
    border-radius: 20px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

.required {
    color: var(--color-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--color-border);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(74, 159, 216, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.btn-full {
    width: 100%;
    padding: 1.25rem;
    font-size: 1.1rem;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 10px;
    display: none;
}

.form-message.success {
    display: block;
    background: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
}

.form-message.error {
    display: block;
    background: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
}

/* ========================================
   フッター
======================================== */
.footer {
    background: linear-gradient(135deg, var(--color-text-dark), #1A252F);
    color: var(--color-white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-logo p {
    color: var(--color-secondary);
    font-size: 1.1rem;
}

.footer-info p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.footer-info a {
    color: var(--color-white);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-info a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* ========================================
   レスポンシブデザイン
======================================== */
@media (max-width: 1024px) {
    .concept-content,
    .message-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background: var(--color-white);
        width: 100%;
        padding: 2rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transition: left var(--transition-normal);
        align-items: flex-start;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        min-height: 600px;
        height: 100vh;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .title-line.highlight {
        font-size: 3rem;
    }
    
    .area-badge {
        flex-direction: column;
        padding: 1rem 1.5rem;
        gap: 0.5rem;
        text-align: center;
    }
    
    .area-text {
        font-size: 1rem;
    }
    
    .area-subtext {
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.5);
        padding-left: 0;
        padding-top: 0.5rem;
        font-size: 0.85rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-content {
        padding: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .promotion-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .promotion-features {
        flex-direction: column;
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .emergency-content {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .message-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .message-quote {
        font-size: 1.2rem;
        padding-left: 1.5rem;
    }
    
    .activities-list li {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
    
    .activities-list i {
        font-size: 1.1rem;
    }
    
    .hero-characters {
        height: 100%;
    }
    
    .characters-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .title-line.highlight {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: stretch;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .hero {
        min-height: 500px;
    }
    
    .hero-characters {
        height: 100%;
    }
    
    .characters-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center center;
    }
}