/* Design Variables */
:root {
    /* ========================================
       色の定義（カラーパレット）
       ======================================== */
    --primary-color: #3B9AF5;      /* ALBAロゴの明るい青 */
    --secondary-color: #0052CC;    /* ALBAロゴの濃紺 */
    --accent-color: #001F3F;       /* より濃い紺 */
    --light-bg: #F5F9FE;
    --white: #FFFFFF;
    --text-dark: #0D1B2A;
    --text-light: #6B7280;
    --border-color: #D1E0F5;
    --shadow: 0 8px 20px rgba(59, 154, 245, 0.25);
    --shadow-hover: 0 16px 40px rgba(59, 154, 245, 0.4);
    --gradient-primary: linear-gradient(135deg, #0052CC 0%, #3B9AF5 100%);
    --gradient-dark: linear-gradient(135deg, #001F3F 0%, #0052CC 100%);

    /* ========================================
       スペーシングシステム（余白）
       0.5rem = 8px, 1rem = 16px 基準
       ======================================== */
    --spacing-xs: 0.25rem;    /* 4px */
    --spacing-sm: 0.5rem;     /* 8px */
    --spacing-md: 1rem;       /* 16px */
    --spacing-lg: 1.5rem;     /* 24px */
    --spacing-xl: 2rem;       /* 32px */
    --spacing-2xl: 3rem;      /* 48px */
    --spacing-3xl: 4rem;      /* 64px */

    /* ========================================
       タイポグラフィシステム（文字）
       ======================================== */
    /* 見出しサイズ */
    --font-size-h1: 3.5rem;   /* ヒーロー用 */
    --font-size-h2: 2rem;     /* セクション見出し */
    --font-size-h3: 1.5rem;   /* サブ見出し */
    --font-size-body: 1rem;   /* 本文 */
    --font-size-sm: 0.875rem; /* 補足テキスト */

    /* 行の高さ */
    --line-height-tight: 1.2;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;

    /* 文字の太さ */
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 900;

    /* ========================================
       角丸（Border Radius）
       ======================================== */
    --radius-none: 0;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* ========================================
       三角形のカスタマイズ設定
       ======================================== */
    --triangle-start: 20%;
    --triangle-transparent-start: 25%;
    --triangle-transparent-end: 75%;
    --triangle-end: 80%;

    /* 濃い方の三角形（ドア）のカスタマイズ設定 */
    --door-width: 40.5%;
    --door-color-1: rgba(15, 30, 65, 0.97);
    --door-color-2: rgba(37, 99, 235, 0.9);

    /* アニメーション後に残る薄い三角形のカスタマイズ設定 */
    --remaining-triangle-angle: 135deg;
    --remaining-triangle-opacity: 0.52;
    --remaining-triangle-color: rgba(37, 99, 235, var(--remaining-triangle-opacity));
}

/* Font Families */
html, body {
    --jp-font: 'Zen Kaku Gothic New', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --en-font: 'Albert Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

/* Image Loading Animation */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
    border-radius: var(--radius-lg);
}

/* 読み込み完了時 */
img.loaded {
    animation: none;
    background: none;
}

/* フィギュア（キャプション付き画像） */
figure {
    margin: var(--spacing-xl) 0;
    text-align: center;
}

figure img {
    margin-bottom: var(--spacing-md);
    max-width: 100%;
}

figcaption {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    font-style: italic;
}

body {
    font-family: var(--jp-font);
    font-size: var(--font-size-body);
    line-height: var(--line-height-normal);
    color: var(--text-dark);
    background: linear-gradient(135deg, #FFFFFF 0%, var(--light-bg) 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    font-weight: var(--font-weight-regular);
    letter-spacing: 0.3px;
}

body::after {
    content: '';
    position: fixed;
    right: -10%;
    top: 0;
    width: 50%;
    height: 100%;
    background: 
        radial-gradient(ellipse 400px 300px at 120% 20%, rgba(59, 154, 245, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 400px 350px at 130% 50%, rgba(59, 154, 245, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 400px 300px at 125% 80%, rgba(59, 154, 245, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

h1 {
    font-size: var(--font-size-h1);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.5px;
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
    position: relative;
    z-index: 1;
}

h2 {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.3px;
    margin-bottom: var(--spacing-lg);
    color: var(--secondary-color);
    position: relative;
    z-index: 1;
}

h3 {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-normal);
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
    position: relative;
    z-index: 1;
}

h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
    position: relative;
    z-index: 1;
}

p {
    font-size: var(--font-size-body);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

/* 小さいテキスト */
small {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    color: var(--text-light);
}

/* Container */
.container {
    max-width: 950px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation Bar */
.navbar {
    background: var(--gradient-dark);
    box-shadow: 0 4px 20px rgba(0, 82, 204, 0.15);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: none;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
    max-width: 950px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.8rem;
    font-weight: 900;
    font-family: var(--en-font);
    letter-spacing: 0.5px;
    cursor: pointer;
    user-select: none;
    transition: opacity 0.2s ease;
}

.nav-logo .logo-img {
    height: 50px;
    width: auto;
    background: #ffffff !important;
    padding: 0.4rem 0.6rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
    transition: all 0.3s ease;
    border: 2px solid rgba(59, 154, 245, 0.2);
}

.nav-logo:hover .logo-img {
    background: #ffffff !important;
    box-shadow: 0 8px 20px rgba(59, 154, 245, 0.4) !important;
    transform: scale(1.05);
}

.nav-logo span {
    color: var(--white);
    font-weight: 900;
    letter-spacing: 0.1em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-item {
    display: inline-block;
}

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
    font-weight: 600;
    font-family: var(--jp-font);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), #7DD3FC);
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

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

.nav-cta {
    background: linear-gradient(135deg, var(--primary-color), #7DD3FC);
    color: white !important;
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(59, 154, 245, 0.4);
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(86, 179, 231, 0.3);
    transition: all 0.3s ease;
    font-family: var(--jp-font);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(86, 179, 231, 0.4);
}

.nav-cta::after {
    display: none;
}

/* Hero Section */
.hero {
    position: relative;
    background: var(--gradient-dark);
    color: white;
    padding: 0 20px;
    text-align: center;
    overflow: hidden;
    min-height: 70vh;
    height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/main.jpg');
    background-size: cover;
    background-position: center;
    background-color: rgba(59, 154, 245, 0.35);
    background-attachment: fixed;
    clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
    transform-origin: center;
    will-change: clip-path;
    animation: imageRevealToDiagonal 1.8s ease-out 0.45s forwards;
    pointer-events: none;
    z-index: 1;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(var(--remaining-triangle-angle),
        rgba(37, 99, 235, 0.52) 0%,
        rgba(37, 99, 235, 0.52) var(--triangle-start),
        transparent var(--triangle-transparent-start),
        transparent var(--triangle-transparent-end),
        rgba(37, 99, 235, 0.52) var(--triangle-end),
        rgba(37, 99, 235, 0.52) 100%);
    pointer-events: none;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    z-index: 3;
    pointer-events: none;
}

.hero-overlay::before,
.hero-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: var(--door-width);
    background: linear-gradient(145deg, var(--door-color-1), var(--door-color-2));
}

.hero-overlay::before {
    left: 0;
    clip-path: polygon(0 0, 100% 0, 90% 100%, 0 100%);
    animation: doorSlideLeft 1.35s cubic-bezier(0.2, 0.8, 0.2, 1) 0.2s forwards;
}

.hero-overlay::after {
    right: 0;
    clip-path: polygon(10% 0, 100% 0, 100% 100%, 0 100%);
    animation: doorSlideRight 1.35s cubic-bezier(0.2, 0.8, 0.2, 1) 0.2s forwards;
}

.hero-content {
    position: relative;
    z-index: 4;
    opacity: 0;
    animation: fadeInUp 0.85s ease 0.85s forwards;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    width: 100%;
    padding-left: 4rem;
    padding-top: 0;
    gap: 2rem;
    max-width: 50%;
}

/* ロゴセクション（デスクトップ用） */
.hero-logo-section {
    display: none;
}

/* 会社名とミッションセクション（デスクトップ用） */
.hero-text-section h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    font-family: var(--jp-font);
    color: #F2F5F8;
    -webkit-text-stroke: 0.5px rgba(242, 245, 248, 0.3);
    font-weight: 700;
    line-height: 1.2;
    text-shadow: 0 0 12px rgba(59, 154, 245, 0.12), 0px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-mission {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: #F2F5F8;
    font-family: var(--jp-font);
    -webkit-text-stroke: 0.3px rgba(242, 245, 248, 0.2);
    font-weight: 600;
    text-shadow: 0 0 12px rgba(59, 154, 245, 0.12), 0px 1px 2px rgba(0, 0, 0, 0.3);
}

/* CTAボタン（デスクトップ用） */
.hero-cta-section {
    margin-top: 1rem;
}

.btn-cta {
    display: inline-block;
    padding: 1rem 3rem;
    background: linear-gradient(135deg, #3B9AF5 0%, #0052CC 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 12px 30px rgba(59, 154, 245, 0.4);
    border: none;
    cursor: pointer;
    text-shadow: 0px 1px 2px rgba(0, 0, 0, 0.2);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(59, 154, 245, 0.5);
}

.btn-cta:active {
    transform: translateY(0);
    box-shadow: 0 8px 20px rgba(59, 154, 245, 0.3);
}

/* スクロール促すアイコン（デスクトップ用） */
.scroll-hint {
    display: none;
}

/* Business Popup Section */
.business-popup {
    background: transparent;
    padding: 40px 20px 60px 20px;
    position: relative;
    margin-top: -100px;
    z-index: 10;
}

.popup-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1rem;
}

.popup-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1);
    opacity: 0;
    animation: popupCardSlideUp 0.75s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    border: 1px solid rgba(59, 154, 245, 0.1);
    position: relative;
    cursor: pointer;
}

.popup-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.popup-card:nth-child(1) {
    animation-delay: 0.3s;
}

.popup-card:nth-child(2) {
    animation-delay: 0.5s;
}

.popup-card:nth-child(3) {
    animation-delay: 0.7s;
}

.popup-card:nth-child(4) {
    animation-delay: 0.9s;
}

.popup-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-hover);
}

.popup-card:hover::before {
    opacity: 1;
}

.popup-image {
    width: 100%;
    height: 100px;
    overflow: hidden;
    background: var(--gradient-primary);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px 12px 0 0;
}

.popup-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top-left, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    pointer-events: none;
}

.popup-image img {
    width: 90px;
    height: 90px;
    max-width: 90px;
    max-height: 90px;
    object-fit: contain;
    transition: transform 0.3s cubic-bezier(0.23, 1, 0.320, 1);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.popup-card:hover .popup-image img {
    transform: scale(1.15);
}

.popup-content {
    padding: 1.5rem;
}

.popup-title-en {
    font-family: var(--en-font);
    font-size: 1.1rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.popup-title-jp {
    font-family: var(--jp-font);
    font-size: 1rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
}

.popup-content p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Sections */
.section {
    padding: var(--spacing-3xl) var(--spacing-md);
    position: relative;
    background-color: var(--white);
    margin-bottom: var(--spacing-2xl);
}

.section:nth-child(odd) {
    background-color: var(--light-bg);
}

/* セクション背景色クラス */
.section.bg-light {
    background-color: var(--light-bg);
}

.section.bg-white {
    background-color: var(--white);
}

.bg-light {
    background-color: var(--light-bg);
}

.bg-white {
    background-color: var(--white);
}

.section h2 {
    text-align: center;
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--jp-font);
    position: relative;
    padding-bottom: var(--spacing-lg);
    font-weight: var(--font-weight-extrabold);
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(59, 154, 245, 0.3);
}

.section h2::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 1px;
    background: var(--border-color);
}

/* Profile Section */
.profile {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-bg) 100%);
}

.profile-content {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    margin-bottom: 4rem;
    min-height: 400px;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.profile-image {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    width: 100%;
    height: 100%;
}

.profile-image:hover {
    transform: scale(1.02);
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.profile-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(86, 179, 231, 0.1), transparent);
    pointer-events: none;
}

.profile-overlay {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    padding: 3rem;
    height: 100%;
    background: linear-gradient(90deg,
        rgba(31, 41, 55, 0.98) 0%,
        rgba(31, 41, 55, 0.9) 30%,
        rgba(31, 41, 55, 0.5) 60%,
        transparent 100%);
}

.profile-info h3 {
    font-size: 1.8rem;
    color: white;
    margin-bottom: 1rem;
    font-family: var(--jp-font);
    font-weight: 900;
    background: linear-gradient(135deg, #FFFFFF, rgba(255, 255, 255, 0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.profile-info p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-family: var(--jp-font);
}

.info-list {
    list-style-type: none;
    padding-left: 0;
}

.info-list li {
    padding: 0.8rem 0;
    color: rgba(255, 255, 255, 0.85);
    font-family: var(--jp-font);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
}

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

.info-list strong {
    color: var(--primary-color);
    font-weight: 600;
    min-width: 120px;
}

.profile-mission {
    background: linear-gradient(135deg, rgba(240, 249, 254, 0.8), rgba(255, 255, 255, 0.9));
    padding: 3rem;
    border-radius: 12px;
    border-left: 5px solid var(--primary-color);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.profile-mission h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-family: var(--jp-font);
}

.profile-mission p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
    font-family: var(--jp-font);
}

.profile-mission p:last-child {
    margin-bottom: 0;
}

/* Services Section */
.services-intro {
    background: var(--white);
    text-align: center;
    padding: 4rem 0 2rem;
}

.services-intro h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

/* Service Page Styles */
.service-page {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    scroll-margin-top: 80px;
    position: relative;
    overflow: visible;
    z-index: 1;
    width: 100%;
}

.service-page:nth-child(even) {
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--white) 100%);
}

.service-page:nth-child(odd) {
    background: var(--white);
}

.service-page-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    gap: 40px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
}

.service-page-image {
    width: 25%;
    flex-shrink: 0;
    height: 280px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    background: var(--gradient-primary);
}

.service-page-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}

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

/* Transportation service specific styling */
#service-transportation .service-page-image img {
    object-position: center bottom;
}

.service-page-content {
    width: 75%;
    flex-shrink: 0;
}

.service-page-content h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-family: var(--jp-font);
}

.service-page-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-family: var(--jp-font);
}

.service-page-content p:last-child {
    margin-bottom: 0;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #F0F6FE 0%, #E8F0FA 50%, #F5F9FE 100%);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse 800px 400px at 50% 0%, rgba(59, 154, 245, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.contact .container {
    position: relative;
    z-index: 2;
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin: 2rem 0 4rem;
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.neon-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(245, 249, 254, 0.9) 100%);
    border: 2px solid transparent;
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 10px 30px rgba(59, 154, 245, 0.12),
        inset 0 0 20px rgba(255, 255, 255, 0.5);
}

.neon-card::before {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        rgba(59, 154, 245, 0) 0%,
        rgba(59, 154, 245, 0.1) 50%,
        rgba(59, 154, 245, 0) 100%
    );
    pointer-events: none;
    transition: all 0.6s ease;
}

.neon-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(
        135deg,
        rgba(59, 154, 245, 0.3) 0%,
        rgba(0, 82, 204, 0.2) 50%,
        rgba(59, 154, 245, 0.1) 100%
    );
    -webkit-mask: 
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.neon-card:hover {
    box-shadow: 
        0 20px 40px rgba(59, 154, 245, 0.25),
        0 0 40px rgba(59, 154, 245, 0.15),
        inset 0 0 20px rgba(255, 255, 255, 0.8);
    transform: translateY(-12px) scale(1.02);
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(245, 249, 254, 0.95) 100%);
}

.neon-card:hover::after {
    opacity: 1;
}

.neon-icon {
    margin-bottom: 1.8rem;
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.neon-icon img {
    width: 90px;
    height: 90px;
    filter: drop-shadow(0 0 12px rgba(59, 154, 245, 0.5)) drop-shadow(0 0 24px rgba(59, 154, 245, 0.25));
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
}

.neon-card:hover .neon-icon img {
    filter: drop-shadow(0 0 16px rgba(59, 154, 245, 0.8)) drop-shadow(0 0 32px rgba(59, 154, 245, 0.4));
    transform: scale(1.1) rotate(5deg);
}

.neon-content p {
    color: var(--text-dark);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.8;
    font-family: var(--jp-font);
    position: relative;
    z-index: 2;
    letter-spacing: 0.3px;
    transition: color 0.4s ease;
}

.neon-card:hover .neon-content p {
    color: var(--secondary-color);
}

/* Contact Form */
.contact-form {
    max-width: 700px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(245, 249, 254, 0.9) 100%);
    padding: 3rem 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.8rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.6rem;
    color: var(--secondary-color);
    font-weight: 700;
    font-family: var(--jp-font);
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1rem;
}

/* 必須フィールド記号 */
.form-group label .required {
    color: #E63946;
    font-weight: 900;
    margin-left: 0.3rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.95rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: var(--jp-font);
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(245, 249, 254, 0.8) 100%);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
    color: var(--text-dark);
}

/* プレースホルダーのスタイル */
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #98A4B3;
    font-style: italic;
    opacity: 0.8;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 
        0 0 0 5px rgba(59, 154, 245, 0.2),
        inset 0 2px 8px rgba(59, 154, 245, 0.08);
    background: rgba(245, 249, 254, 1);
    transform: translateY(-1px);
}

.form-group input::placeholder,
.form-group textarea::placeholder,
.form-group select {
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    font-family: var(--jp-font);
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 82, 204, 0.2);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: white;
    box-shadow: 
        0 10px 25px rgba(0, 82, 204, 0.25),
        0 0 40px rgba(59, 154, 245, 0.0);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 15px 40px rgba(0, 82, 204, 0.35),
        0 0 60px rgba(59, 154, 245, 0.25);
    background: linear-gradient(135deg, #0039A0 0%, #2B8DF0 100%);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-large {
    padding: 1.3rem 2.8rem;
    font-size: 1.1rem;
}

/* 大きいボタンの別名 */
.btn-lg {
    padding: 1.3rem 2.8rem;
    font-size: 1.1rem;
    min-height: 52px;
}

/* Form Message */
.form-message {
    margin-top: 1.5rem;
    padding: 1.2rem;
    border-radius: 6px;
    display: none;
    text-align: center;
    font-weight: 500;
    font-family: var(--jp-font);
}

.form-message-success {
    background-color: #D1F3E5;
    color: #0F5F3F;
    border: 2px solid #70D8A8;
}

.form-message-error {
    background-color: #FFE7E7;
    color: #8B0000;
    border: 2px solid #FF6B6B;
}

/* Footer */
.footer {
    background: var(--gradient-dark);
    color: white;
    text-align: center;
    padding: 2.5rem;
    font-family: var(--jp-font);
    box-shadow: 0 -4px 20px rgba(0, 82, 204, 0.15);
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes imageRevealToDiagonal {
    0%, 35% {
        clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
    }
    100% {
        clip-path: polygon(30% 0%, 100% 0%, 70% 100%, 0% 100%);
    }
}

@keyframes doorSlideLeft {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-112%);
    }
}

@keyframes doorSlideRight {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(112%);
    }
}

@keyframes popupCardSlideUp {
    0% {
        opacity: 0;
        transform: translateY(40px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero::before,
    .hero::after,
    .hero-overlay::before,
    .hero-overlay::after,
    .hero-content {
        animation: none;
    }

    .hero::before {
        clip-path: polygon(20% 0%, 100% 0%, 80% 100%, 0% 100%);
    }

    .hero-content {
        opacity: 1;
    }
}

/* Responsive Design */
@media (min-width: 769px) {
    .hamburger-menu {
        display: none !important;
    }

    /* ロゴセクションをデスクトップで非表示 */
    .hero-logo-section {
        display: none;
    }

    /* スクロール促すアイコンをデスクトップで非表示 */
    .scroll-hint {
        display: none;
    }

    .service-page-image {
        width: 75% !important;
        height: 280px !important;
    }

    .service-page-content {
        width: 75% !important;
    }

    #service-transportation .service-page-image img {
        object-position: center bottom !important;
    }

    /* ヒーロー部のボタンを非表示 */
    .hero-cta-section {
        display: none !important;
    }
}

@media (max-width: 768px) {
    /* モバイル版で左右の青い三角形を非表示 */
    .hero-overlay {
        display: none !important;
    }

    .hero-overlay::before,
    .hero-overlay::after {
        animation: none !important;
        display: none !important;
    }

    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .nav-logo {
        font-size: 1.3rem;
    }

    .hero {
        padding: 60px 20px;
        min-height: 400px;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .hero-content p {
        font-size: 1.6rem;
    }

    .section {
        padding: 60px 20px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-cards {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .profile-info {
        padding: 1.5rem;
        background: rgba(255, 255, 255, 0.95);
        border-radius: 12px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    }

    .popup-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .section h2 {
        font-size: 2rem;
    }

    .profile-content {
        display: flex;
        flex-direction: column;
        gap: 2rem;
        min-height: auto;
        background: transparent;
        box-shadow: none;
    }

    .profile-image {
        position: relative;
        width: 100%;
        height: 250px;
        order: -1;
        border-radius: 12px;
        overflow: hidden;
        flex-shrink: 0;
    }

    .profile-overlay {
        position: static;
        padding: 0;
        background: none;
        height: auto;
        align-items: stretch;
    }

    .service-page-container {
        flex-direction: column;
        gap: 2rem;
    }

    .service-page-image {
        width: 100%;
        height: 300px;
    }

    .service-page-content {
        width: 100%;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0.8rem;
    }

    .nav-logo {
        font-size: 1rem;
    }

    .nav-menu {
        gap: 0.5rem;
        flex-direction: column;
    }

    .popup-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    }

    .nav-link {
        font-size: 0.85rem;
    }

    .hero {
        padding: 40px 20px;
        min-height: 300px;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.3rem;
    }

    .section {
        padding: 40px 20px;
    }

    .section h2 {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }

    .profile-info h3,
    .profile-mission h3 {
        font-size: 1.2rem;
    }

    .service-page {
        min-height: auto;
        padding: 2rem 0;
    }

    .service-page-container {
        flex-direction: column;
        gap: 1.5rem;
    }

    .service-page-image {
        width: 100%;
        height: 250px;
    }

    .service-page-content {
        width: 100%;
    }

    .service-page-content h2 {
        font-size: 1.8rem;
    }

    .service-page-content p {
        font-size: 1rem;
    }

    .info-list li {
        flex-direction: column;
        align-items: flex-start;
    }

    .info-list strong {
        min-width: auto;
        margin-bottom: 0.3rem;
    }