/* ==========================================
   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 - サメと海をイメージした青系 */
    --primary-color: #0066FF;
    --primary-dark: #0047AB;
    --primary-light: #4D94FF;
    --secondary-color: #00D4FF;
    --accent-color: #FFD700;
    --deep-blue: #001F3F;
    --ocean-blue: #0077BE;
    --text-dark: #0A1929;
    --text-medium: #1E3A5F;
    --text-light: #5A7BA6;
    --bg-white: #FFFFFF;
    --bg-light: #F0F8FF;
    --bg-gradient: linear-gradient(135deg, #0066FF 0%, #00D4FF 100%);
    --bg-gradient-dark: linear-gradient(135deg, #0047AB 0%, #0066FF 100%);
    --bg-gradient-mega: linear-gradient(135deg, #001F3F 0%, #0066FF 50%, #00D4FF 100%);
    --shadow-sm: 0 4px 12px rgba(0, 102, 255, 0.15);
    --shadow-md: 0 8px 24px rgba(0, 102, 255, 0.2);
    --shadow-lg: 0 16px 48px rgba(0, 102, 255, 0.3);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.4);
    --border-radius: 16px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Zen Kaku Gothic New', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.8;
    color: var(--text-dark);
    background: var(--bg-white);
    overflow-x: hidden;
    font-weight: 500;
    letter-spacing: 0.02em;
    width: 100%;
    max-width: 100vw;
}

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

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

.mobile-only {
    display: none;
}

.desktop-only {
    display: inline;
}

@media (max-width: 767px) {
    .desktop-only {
        display: none;
    }
}

/* ==========================================
   ヘッダー
   ========================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 102, 255, 0.1);
    z-index: 9999;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(0, 102, 255, 0.15);
    border-bottom-color: var(--primary-light);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    min-height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-dark);
}

.logo-shark {
    font-size: 2.5rem;
    animation: swim 3s ease-in-out infinite;
    display: inline-block;
    transition: transform 0.3s ease;
}

.logo:hover .logo-shark {
    transform: scale(1.2) rotate(10deg);
}

@keyframes swim {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

.nav-link.cta-button {
    background: var(--bg-gradient);
    color: white;
    padding: 10px 24px;
    border-radius: 25px;
    box-shadow: var(--shadow-sm);
}

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

.nav-link.cta-button:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* ==========================================
   ヒーローセクション
   ========================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 140px;
    padding-bottom: 100px;
    overflow: hidden;
    background: var(--bg-gradient-mega);
}

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

.ocean-wave {
    position: absolute;
    width: 200%;
    height: 100%;
    background: linear-gradient(transparent, rgba(0, 212, 255, 0.1));
    animation: wave 15s linear infinite;
}

.ocean-wave-2 {
    animation: wave 20s linear infinite reverse;
    background: linear-gradient(transparent, rgba(0, 102, 255, 0.08));
}

.ocean-wave-3 {
    animation: wave 25s linear infinite;
    background: linear-gradient(transparent, rgba(0, 71, 171, 0.05));
}

@keyframes wave {
    0% { transform: translateX(0) translateY(0); }
    50% { transform: translateX(-25%) translateY(-20px); }
    100% { transform: translateX(0) translateY(0); }
}

.hero-sharks {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
}

.floating-shark {
    position: absolute;
    font-size: 4rem;
    opacity: 0.15;
    animation: sharkSwim 20s ease-in-out infinite;
    filter: drop-shadow(0 10px 30px rgba(0, 102, 255, 0.3));
    will-change: transform;
    transition: transform 0.1s linear;
}

.shark-1 {
    top: 15%;
    left: -10%;
    animation-duration: 25s;
}

.shark-2 {
    bottom: 20%;
    right: -10%;
    animation-duration: 30s;
    animation-delay: -5s;
}

.shark-3 {
    top: 60%;
    left: 10%;
    animation-duration: 35s;
    animation-delay: -10s;
    font-size: 3rem;
}

@keyframes sharkSwim {
    0% {
        transform: translateX(0) translateY(0) rotate(0deg);
    }
    25% {
        transform: translateX(100vw) translateY(-50px) rotate(5deg);
    }
    50% {
        transform: translateX(100vw) translateY(0) rotate(0deg);
    }
    75% {
        transform: translateX(0) translateY(50px) rotate(-5deg);
    }
    100% {
        transform: translateX(0) translateY(0) rotate(0deg);
    }
}

.hero-content {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;
    width: 100%;
    min-height: calc(100vh - 240px);
    padding-bottom: 40px;
}

.hero-main {
    text-align: center;
    max-width: 1000px;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-color);
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 40px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.badge-icon {
    font-size: 1.5rem;
    animation: swim 3s ease-in-out infinite;
}

.hero-title {
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
}

.title-main {
    display: block;
    font-size: 9rem;
    line-height: 0.95;
    font-weight: 900;
    color: white;
    text-shadow: 
        0 0 30px rgba(0, 212, 255, 0.6),
        0 0 60px rgba(0, 102, 255, 0.4),
        0 8px 16px rgba(0, 0, 0, 0.4),
        0 0 100px rgba(0, 212, 255, 0.2);
    letter-spacing: 0.05em;
    animation: titleGlow 3s ease-in-out infinite;
    font-family: 'Zen Kaku Gothic New', sans-serif;
    text-transform: uppercase;
}

@keyframes titleGlow {
    0%, 100% {
        text-shadow: 
            0 0 20px rgba(0, 212, 255, 0.5),
            0 0 40px rgba(0, 102, 255, 0.3),
            0 4px 8px rgba(0, 0, 0, 0.3);
    }
    50% {
        text-shadow: 
            0 0 30px rgba(0, 212, 255, 0.8),
            0 0 60px rgba(0, 102, 255, 0.5),
            0 4px 8px rgba(0, 0, 0, 0.3);
    }
}

.title-underline {
    height: 8px;
    background: var(--accent-color);
    margin-top: 20px;
    border-radius: 4px;
    animation: expandWidth 1s ease 0.5s forwards;
    width: 0;
    box-shadow: 0 4px 16px rgba(255, 215, 0, 0.5);
}

@keyframes expandWidth {
    to { width: 100%; }
}

.hero-description {
    font-size: 1.75rem;
    color: white;
    margin-bottom: 60px;
    line-height: 2;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    font-weight: 500;
    letter-spacing: 0.03em;
}

.hero-description strong {
    font-weight: 900;
    color: var(--accent-color);
    font-size: 2.25rem;
    display: block;
    margin-bottom: 12px;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 5rem;
    font-weight: 900;
    color: white;
    line-height: 1;
    margin-bottom: 12px;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.8);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.hero-buttons {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 10px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 22px 48px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.125rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.button-large {
    padding: 24px 56px;
    font-size: 1.25rem;
}

.button::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;
}

.button:hover::before {
    width: 400px;
    height: 400px;
}

.button-shark {
    position: absolute;
    left: 10px;
    font-size: 1.5rem;
    opacity: 0.3;
    transition: var(--transition);
    z-index: 1;
}

.button:hover .button-shark {
    opacity: 0.6;
    transform: translateX(5px) rotate(10deg);
}

.button-content {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    z-index: 1;
}

.button-icon {
    font-size: 1.5rem;
}

.button-arrow {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.button:hover .button-arrow {
    transform: translateX(8px);
}

.button-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 8px 32px rgba(0, 102, 255, 0.3);
    padding-left: 60px;
}

.button-primary:hover {
    transform: translateY(-6px) scale(1.05);
    box-shadow: 0 12px 48px rgba(0, 102, 255, 0.4);
}

.button-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 3px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(15px);
    padding-left: 60px;
}

.button-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-6px) scale(1.05);
    box-shadow: 0 12px 48px rgba(255, 255, 255, 0.5);
}

.button-white {
    background: white;
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.button-white:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.scroll-indicator {
    position: absolute;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 3;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

.mouse {
    width: 30px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s ease-in-out infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        top: 8px;
    }
    100% {
        opacity: 0;
        top: 28px;
    }
}

.scroll-indicator p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.wave-divider {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 3;
}

.wave-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 100px;
}

.wave-divider path {
    fill: var(--bg-light);
    filter: drop-shadow(0 -4px 12px rgba(0, 102, 255, 0.1));
}

/* ==========================================
   セクション共通
   ========================================== */

section {
    padding: 150px 0;
    position: relative;
}

.section-title {
    font-size: 4rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-dark);
    letter-spacing: 0.05em;
    line-height: 1.2;
    position: relative;
    display: inline-block;
    width: 100%;
}

.title-animate-element {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.title-animate-in {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.section-title.white {
    color: white;
}

.section-icon {
    display: inline-block;
    font-size: 2.5rem;
    margin-right: 12px;
}

.section-description {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-medium);
    margin-bottom: 60px;
}

/* ==========================================
   セクション共通 - サメ背景
   ========================================== */

.section-bg-shark {
    position: absolute;
    font-size: 20rem;
    opacity: 0.03;
    pointer-events: none;
    z-index: 0;
    left: -5%;
    top: 50%;
    transform: translateY(-50%) rotate(-15deg);
    filter: blur(2px);
    will-change: transform;
    transition: transform 0.1s linear;
}

.section-bg-shark.right {
    left: auto;
    right: -5%;
    transform: translateY(-50%) rotate(15deg) scaleX(-1);
}

/* アニメーション用クラス */
.animate-element {
    opacity: 0;
    transform: translateY(50px) scale(0.95);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-in {
    opacity: 1 !important;
    transform: translateY(0) scale(1) !important;
}

/* 装飾用サメ */
.section-decorative-sharks {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.deco-shark {
    position: absolute;
    font-size: 2.5rem;
    opacity: 0.08;
    animation: floatDeco 8s ease-in-out infinite;
    filter: drop-shadow(0 4px 12px rgba(0, 102, 255, 0.2));
}

.deco-shark-1 {
    top: 10%;
    right: 5%;
    animation-delay: 0s;
    animation-duration: 10s;
}

.deco-shark-2 {
    bottom: 15%;
    left: 8%;
    animation-delay: -3s;
    animation-duration: 12s;
    transform: scaleX(-1);
}

.deco-shark-3 {
    top: 20%;
    left: 5%;
    animation-delay: -1s;
    animation-duration: 11s;
}

.deco-shark-4 {
    bottom: 10%;
    right: 10%;
    animation-delay: -4s;
    animation-duration: 13s;
    transform: scaleX(-1);
}

.deco-shark-5 {
    top: 25%;
    right: 8%;
    animation-delay: -2s;
    animation-duration: 14s;
}

.deco-shark-6 {
    bottom: 20%;
    left: 5%;
    animation-delay: -5s;
    animation-duration: 15s;
    transform: scaleX(-1);
}

.deco-shark-7 {
    top: 50%;
    right: 10%;
    animation-delay: -2.5s;
    animation-duration: 12s;
    font-size: 3rem;
}

.deco-shark-8 {
    top: 15%;
    left: 10%;
    animation-delay: -1.5s;
    animation-duration: 13s;
}

.deco-shark-9 {
    bottom: 15%;
    right: 8%;
    animation-delay: -3.5s;
    animation-duration: 11s;
    transform: scaleX(-1);
}

@keyframes floatDeco {
    0%, 100% {
        transform: translateY(0) translateX(0) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) translateX(10px) rotate(5deg);
    }
    50% {
        transform: translateY(-10px) translateX(-10px) rotate(-3deg);
    }
    75% {
        transform: translateY(-30px) translateX(5px) rotate(3deg);
    }
}

@media (max-width: 768px) {
    .deco-shark {
        font-size: 1.5rem;
        opacity: 0.05;
    }
    
    .deco-shark-7 {
        font-size: 2rem;
    }
}

/* ==========================================
   サービスセクション
   ========================================== */

.service {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
    margin-top: 0;
    padding-top: 150px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    margin-top: 80px;
    position: relative;
    z-index: 1;
}

.service-card {
    background: white;
    padding: 50px 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 3px solid transparent;
    will-change: transform;
    word-wrap: break-word;
    hyphens: auto;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--bg-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.card-shark-icon {
    position: absolute;
    top: -20px;
    right: -10px;
    font-size: 3rem;
    opacity: 0.15;
    transform: rotate(15deg);
    transition: var(--transition);
    filter: drop-shadow(0 4px 12px rgba(0, 102, 255, 0.3));
}

.service-card:hover .card-shark-icon {
    opacity: 0.3;
    transform: rotate(25deg) scale(1.2);
}

.service-icon {
    font-size: 5rem;
    margin-bottom: 30px;
    display: block;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover .service-icon {
    transform: scale(1.2) rotateZ(5deg);
}

.service-card-title {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 20px;
    color: var(--text-dark);
    letter-spacing: 0.03em;
}

.service-card-description {
    color: var(--text-medium);
    line-height: 2;
    font-size: 0.9375rem;
}

/* ==========================================
   強みセクション
   ========================================== */

.strengths {
    background: white;
    position: relative;
    overflow: hidden;
}

.strengths-content {
    display: flex;
    flex-direction: column;
    gap: 50px;
    margin-top: 80px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.strength-item {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    padding: 50px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.03) 0%, rgba(0, 212, 255, 0.03) 100%);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 3px solid transparent;
    position: relative;
    overflow: hidden;
    will-change: transform;
}

.strength-shark-bg {
    position: absolute;
    bottom: 10px;
    right: 10px;
    font-size: 8rem;
    opacity: 0.03;
    transform: rotate(-15deg);
    pointer-events: none;
    transition: var(--transition);
    z-index: 0;
}

.strength-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: var(--bg-gradient);
    transform: scaleY(0);
    transition: transform 0.4s ease;
    z-index: 1;
}

.strength-item:hover::before {
    transform: scaleY(1);
}

.strength-item:hover {
    transform: translateX(20px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(0, 212, 255, 0.05) 100%);
}

.strength-item:hover .strength-shark-bg {
    opacity: 0.08;
    transform: rotate(-15deg) scale(1.1);
}

.strength-number {
    font-size: 5rem;
    font-weight: 900;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
    line-height: 1;
    letter-spacing: -0.03em;
    position: relative;
    display: inline-block;
    z-index: 2;
}

.strength-shark {
    position: absolute;
    top: -10px;
    right: -30px;
    font-size: 2rem;
    opacity: 0.2;
    filter: grayscale(1) brightness(1.5);
    animation: sharkWiggle 2s ease-in-out infinite;
}

@keyframes sharkWiggle {
    0%, 100% {
        transform: rotate(0deg);
    }
    50% {
        transform: rotate(-10deg);
    }
}

.strength-title {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 16px;
    color: var(--text-dark);
    letter-spacing: 0.03em;
    position: relative;
    z-index: 2;
}

.strength-description {
    color: var(--text-medium);
    line-height: 1.8;
    font-size: 0.9375rem;
    position: relative;
    z-index: 2;
}

/* ==========================================
   実績セクション
   ========================================== */

.results {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 80px;
    position: relative;
    z-index: 1;
}

.result-card {
    background: white;
    padding: 50px 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 3px solid transparent;
    will-change: transform;
    word-wrap: break-word;
    hyphens: auto;
}

.card-corner-shark {
    position: absolute;
    top: -15px;
    right: -15px;
    font-size: 2.5rem;
    opacity: 0.12;
    transform: rotate(20deg);
    transition: var(--transition);
    filter: drop-shadow(0 4px 16px rgba(0, 102, 255, 0.4));
    z-index: 1;
}

.result-card:hover .card-corner-shark {
    opacity: 0.25;
    transform: rotate(30deg) scale(1.2);
    filter: drop-shadow(0 8px 24px rgba(0, 102, 255, 0.6));
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--bg-gradient);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.result-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-light);
}

.result-card:hover::before {
    height: 8px;
}

.result-badge {
    display: inline-block;
    background: var(--bg-gradient);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.result-percentage {
    font-size: 5.5rem;
    font-weight: 900;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    line-height: 0.9;
    letter-spacing: -0.03em;
}

.result-title {
    font-size: 1.25rem;
    font-weight: 900;
    margin-bottom: 16px;
    color: var(--text-dark);
    line-height: 1.6;
    letter-spacing: 0.02em;
}

.result-description {
    color: var(--text-medium);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ==========================================
   向いているお客様セクション
   ========================================== */

.target-customers {
    background: white;
    position: relative;
    overflow: hidden;
}

.customer-types-wrapper {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
    margin-top: 60px;
    position: relative;
    z-index: 1;
}

.customer-type-card {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
}

.customer-type-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.customer-type-card.recommended {
    background: white;
    border: 3px solid var(--primary-light);
}

.customer-type-card.challenging {
    background: white;
    border: 3px solid rgba(255, 107, 53, 0.4);
}

.customer-type-badge {
    padding: 20px 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.125rem;
}

.customer-type-badge.success {
    background: var(--bg-gradient);
    color: white;
}

.customer-type-badge.caution {
    background: linear-gradient(135deg, #FF6B35 0%, #FF8E53 100%);
    color: white;
}

.badge-shark {
    font-size: 1.5rem;
    animation: swim 3s ease-in-out infinite;
}

.customer-type-content {
    padding: 40px;
}

.customer-type-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.75rem;
    font-weight: 900;
    margin-bottom: 30px;
    color: var(--text-dark);
}

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

.customer-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.customer-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px;
    background: linear-gradient(135deg, rgba(0, 168, 232, 0.03) 0%, rgba(0, 102, 204, 0.03) 100%);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.customer-item:hover {
    background: linear-gradient(135deg, rgba(0, 168, 232, 0.08) 0%, rgba(0, 102, 204, 0.08) 100%);
    transform: translateX(5px);
}

.customer-item.warning {
    background: rgba(255, 107, 53, 0.05);
    border-left-color: #FF6B35;
}

.customer-item.warning:hover {
    background: rgba(255, 107, 53, 0.1);
}

.item-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.125rem;
}

.customer-item.warning .item-icon {
    background: #FF6B35;
}

.item-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.item-content p {
    font-size: 0.9375rem;
    color: var(--text-medium);
    line-height: 1.7;
}

.customer-note-box {
    display: flex;
    gap: 16px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 215, 0, 0.05) 100%);
    padding: 24px;
    border-radius: 12px;
    margin-top: 30px;
    border: 2px solid rgba(255, 215, 0, 0.3);
}

.note-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.note-content strong {
    display: block;
    font-size: 1.125rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.note-content p {
    font-size: 0.9375rem;
    color: var(--text-medium);
    line-height: 1.7;
}

/* ==========================================
   その他サービスセクション
   ========================================== */

.other-services {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.other-services-intro {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    margin-top: 40px;
    border-left: 5px solid var(--primary-color);
}

.intro-icon {
    font-size: 4rem;
    flex-shrink: 0;
}

.intro-text h3 {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.intro-text p {
    font-size: 1.0625rem;
    color: var(--text-medium);
    line-height: 1.8;
}

.other-services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
    position: relative;
    z-index: 1;
}

.other-service-card {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 3px solid transparent;
    position: relative;
    overflow: hidden;
}

.other-service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--bg-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.other-service-card:hover::before {
    transform: scaleX(1);
}

.other-service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.service-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.service-card-icon {
    font-size: 3rem;
}

.service-card-header h3 {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-dark);
}

.service-card-description {
    font-size: 0.9375rem;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 16px;
}

.service-card-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%);
    color: var(--primary-color);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 700;
    border: 2px solid var(--primary-light);
}

.other-services-cta {
    margin-top: 60px;
    background: var(--bg-gradient);
    padding: 60px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.cta-content h3 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 2rem;
    font-weight: 900;
    color: white;
    margin-bottom: 20px;
}

.cta-icon {
    font-size: 2.5rem;
}

.cta-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.deco-shark-10 {
    top: 15%;
    left: 5%;
    animation-duration: 14s;
    animation-delay: -3s;
}

.deco-shark-11 {
    bottom: 20%;
    right: 8%;
    animation-duration: 16s;
    animation-delay: -6s;
    transform: scaleX(-1);
}

/* ==========================================
   会社情報セクション
   ========================================== */

.company {
    background: white;
    position: relative;
    overflow: hidden;
}

.deco-shark-12 {
    top: 50%;
    right: 5%;
    animation-duration: 18s;
    animation-delay: -8s;
}

.company-content {
    max-width: 800px;
    margin: 60px auto 0;
}

.company-concept {
    text-align: center;
    margin-bottom: 60px;
    padding: 40px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
}

.company-concept h3 {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: 16px;
    font-weight: 600;
}

.concept-text {
    font-size: 2rem;
    font-weight: 700;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.company-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 40px;
}

.company-table tr {
    border-bottom: 1px solid #E5E7EB;
}

.company-table th,
.company-table td {
    padding: 20px 12px;
    text-align: left;
}

.company-table th {
    font-weight: 600;
    color: var(--text-dark);
    width: 140px;
    white-space: nowrap;
}

.company-table td {
    color: var(--text-medium);
}

.company-table a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.company-table a:hover {
    text-decoration: underline;
}

.company-links {
    display: flex;
    justify-content: center;
}

.resource-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 40px;
    background: var(--bg-gradient);
    color: white;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.resource-link:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.resource-icon {
    font-size: 2.5rem;
}

.resource-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.resource-text strong {
    font-size: 1.25rem;
}

.resource-text small {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* ==========================================
   お問い合わせセクション
   ========================================== */

.contact {
    background: var(--bg-gradient);
    color: white;
    position: relative;
    overflow: hidden;
}

.contact-intro {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
}

.contact-intro-shark {
    font-size: 3rem;
    animation: swim 2s ease-in-out infinite;
}

.contact-intro p {
    font-size: 1.5rem;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.deco-shark-13 {
    top: 70%;
    left: 10%;
    animation-duration: 20s;
    animation-delay: -10s;
    transform: scaleX(-1);
}

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

.contact-description {
    font-size: 1.125rem;
    margin-bottom: 50px;
    opacity: 0.95;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 800px;
    margin: 0 auto 50px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: white;
    transition: var(--transition);
    border: 2px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.contact-method-shark {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 2rem;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.4s ease;
}

.contact-method:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
}

.contact-method:hover .contact-method-shark {
    opacity: 0.3;
    transform: translateX(0);
}

.contact-method-icon {
    font-size: 3rem;
}

.contact-method-text {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
}

.contact-method-text strong {
    font-size: 1.125rem;
}

.contact-method-text span {
    font-size: 1rem;
    opacity: 0.9;
}

/* ==========================================
   フッター
   ========================================== */

.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-section h4 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: white;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 12px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9375rem;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ==========================================
   共通フォームセクション（Patto Forms）
   ========================================== */

.patto-form-section {
    background: #ffffff;
    padding: 80px 0 90px;
}

.patto-form-inner {
    max-width: 840px;
    margin: 0 auto;
}

.patto-form-inner .section-title {
    margin-bottom: 16px;
}

.patto-form-inner .section-description {
    margin-bottom: 32px;
}

/* ==========================================
   レスポンシブデザイン - 段階的最適化
   ========================================== */

/* 大型デスクトップ（1440px以上）- ベーススタイル継承 */

/* 中型デスクトップ（1200px-1439px）- ベーススタイル継承 */

/* 小型デスクトップ/タブレット横（1024px-1199px） */
@media (max-width: 1199px) {
    .container {
        max-width: 1000px;
    }

    .title-main {
        font-size: 7rem;
    }

    .section-title {
        font-size: 3.5rem;
    }

    .stat-number {
        font-size: 4.5rem;
    }

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

    .results-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 35px;
    }

    section {
        padding: 120px 0;
    }
}

/* タブレット横/小型ラップトップ（900px-1023px） */
@media (max-width: 1023px) {
    .title-main {
        font-size: 6rem;
    }

    .section-title {
        font-size: 3rem;
    }

    .hero-stats {
        gap: 40px;
    }

    .stat-number {
        font-size: 4rem;
    }

    .service-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

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

    .strength-item {
        gap: 30px;
        padding: 40px;
    }

    .strength-number {
        font-size: 4rem;
    }

    .result-percentage {
        font-size: 4.5rem;
    }

    section {
        padding: 100px 0;
    }
}

/* タブレット縦（768px-899px） */
@media (max-width: 899px) {
    .container {
        padding: 0 24px;
    }

    .title-main {
        font-size: 5rem;
    }

    .section-title {
        font-size: 2.75rem;
    }

    .stat-number {
        font-size: 3.5rem;
    }

    .service-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .results-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .customer-types-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .customer-type-title {
        font-size: 1.5rem;
    }
    
    .item-content h4 {
        font-size: 1rem;
    }
    
    .note-content strong {
        font-size: 1rem;
    }

    .other-services-intro {
        flex-direction: row;
        text-align: left;
        padding: 30px;
    }
    
    .intro-icon {
        font-size: 3rem;
    }
    
    .intro-text h3 {
        font-size: 1.5rem;
    }
    
    .intro-text p {
        font-size: 0.9375rem;
    }
    
    .other-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .other-service-card {
        padding: 30px;
    }
    
    .service-card-header h3 {
        font-size: 1.25rem;
    }
    
    .other-services-cta {
        padding: 40px 30px;
    }
    
    .cta-content h3 {
        font-size: 1.5rem;
        flex-direction: row;
    }
    
    .cta-content p {
        font-size: 1rem;
    }
    
    .contact-intro {
        flex-direction: row;
        gap: 12px;
    }
    
    .contact-intro-shark {
        font-size: 2rem;
    }
    
    .contact-intro p {
        font-size: 1.125rem;
        text-align: center;
    }
    
    .strength-shark-bg {
        font-size: 6rem;
    }

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

    section {
        padding: 80px 0;
    }
}

/* モバイル大型（600px-767px） */
@media (max-width: 767px) {
    .container {
        padding: 0 20px;
    }

    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        padding: 12px 0;
        border-bottom: 1px solid var(--bg-light);
    }

    .nav-link.cta-button {
        margin-top: 12px;
        text-align: center;
        border: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    body.menu-open {
        overflow: hidden;
    }

    .title-main {
        font-size: 4rem;
    }

    .section-title {
        font-size: 2.25rem;
    }

    .stat-number {
        font-size: 3rem;
    }

    .hero-stats {
        gap: 25px;
    }

    .service-card-title {
        font-size: 1.5rem;
    }

    .strength-number {
        font-size: 3.5rem;
    }

    .result-percentage {
        font-size: 4rem;
    }

    section {
        padding: 70px 0;
    }
}

/* モバイル中型（480px-599px） */
@media (max-width: 599px) {
    .container {
        padding: 0 18px;
    }

    .hero {
        min-height: 100vh;
        padding: 110px 0 90px;
    }

    .hero-content {
        min-height: calc(100vh - 200px);
    }

    .wave-divider svg {
        height: 65px;
    }

    .hero-main {
        padding: 0 12px;
    }

    .hero-badge {
        font-size: 0.8125rem;
        padding: 10px 18px;
        margin-bottom: 25px;
    }

    .badge-icon {
        font-size: 1.125rem;
    }

    .title-main {
        font-size: 3.25rem;
        line-height: 1;
        letter-spacing: 0.02em;
    }

    .title-underline {
        height: 6px;
        margin-top: 14px;
    }

    .hero-description {
        font-size: 0.9375rem;
        margin-bottom: 35px;
        line-height: 1.7;
    }

    .hero-description strong {
        font-size: 1.25rem;
        margin-bottom: 8px;
    }

    .hero-stats {
        gap: 25px;
        margin-bottom: 35px;
    }

    .stat-number {
        font-size: 2.75rem;
    }

    .stat-label {
        font-size: 0.6875rem;
        letter-spacing: 0.08em;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 14px;
        width: 100%;
    }

    .button {
        width: 100%;
        justify-content: center;
        padding: 17px 30px;
        font-size: 0.9375rem;
        padding-left: 48px;
    }

    .button-large {
        padding: 19px 36px;
        font-size: 1.0625rem;
        padding-left: 52px;
    }

    .button-shark {
        left: 8px;
        font-size: 1.1875rem;
    }

    .section-title {
        font-size: 2.125rem;
        margin-bottom: 18px;
        letter-spacing: 0.03em;
    }

    .section-icon {
        font-size: 1.875rem;
    }

    .section-description {
        font-size: 0.9375rem;
        margin-bottom: 35px;
    }

    section {
        padding: 65px 0;
    }

    .service-grid {
        gap: 28px;
        margin-top: 38px;
    }

    .service-card {
        padding: 38px 22px;
        overflow: hidden;
    }

    .card-shark-icon {
        top: -14px;
        right: -8px;
        font-size: 2.25rem;
    }

    .service-icon {
        font-size: 3.75rem;
        margin-bottom: 22px;
    }

    .service-card-title {
        font-size: 1.4375rem;
        margin-bottom: 14px;
    }

    .service-card-description {
        font-size: 0.875rem;
        line-height: 1.75;
    }

    .strengths-content {
        gap: 28px;
        margin-top: 38px;
    }

    .strength-item {
        flex-direction: column;
        text-align: center;
        padding: 34px 22px;
        gap: 18px;
    }
    
    .strength-shark-bg {
        font-size: 5rem;
        bottom: 5px;
        right: 5px;
    }

    .strength-number {
        font-size: 3.25rem;
    }

    .strength-shark {
        font-size: 1.625rem;
        right: -27px;
        top: -8px;
    }

    .strength-title {
        font-size: 1.4375rem;
        margin-bottom: 12px;
    }

    .strength-description {
        font-size: 0.875rem;
        line-height: 1.75;
    }

    .results-grid {
        grid-template-columns: 1fr;
        gap: 28px;
        margin-top: 38px;
    }

    .result-card {
        padding: 38px 22px;
        overflow: hidden;
    }

    .card-corner-shark {
        top: -11px;
        right: -11px;
        font-size: 2.125rem;
    }

    .result-percentage {
        font-size: 3.75rem;
        margin-bottom: 15px;
    }

    .result-title {
        font-size: 1.1875rem;
    }

    .result-description {
        font-size: 0.875rem;
    }

    .customer-types {
        gap: 22px;
    }

    .customer-type {
        padding: 28px 22px;
    }

    .customer-type-header h3 {
        font-size: 1.3125rem;
    }

    .customer-list li {
        font-size: 0.875rem;
        margin-bottom: 11px;
    }

    .other-services-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .other-service-item {
        padding: 22px 16px;
        font-size: 0.875rem;
    }

    .contact-methods {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .contact-method {
        padding: 22px;
    }

    .contact-method-icon {
        font-size: 2.5rem;
    }

    .contact-method-text strong {
        font-size: 1rem;
    }

    .contact-method-text span {
        font-size: 0.875rem;
    }

    .patto-form-section {
        padding: 60px 0 70px;
    }

    .mobile-only {
        display: inline;
    }

    .scroll-indicator {
        display: none;
    }

    .floating-shark {
        font-size: 2.5rem;
    }

    .section-bg-shark {
        font-size: 13rem;
    }

    .company-concept {
        padding: 28px 22px;
    }

    .concept-text {
        font-size: 1.625rem;
    }

    .company-table {
        font-size: 0.875rem;
    }

    .company-table th,
    .company-table td {
        padding: 13px 4px;
        display: block;
        width: 100%;
    }

    .company-table th {
        font-weight: 700;
        padding-bottom: 6px;
    }

    .company-table td {
        padding-top: 0;
        padding-bottom: 15px;
    }

    .resource-link {
        padding: 20px 22px;
        flex-direction: row;
        gap: 12px;
    }

    .resource-icon {
        font-size: 2rem;
    }

    .resource-text strong {
        font-size: 1rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .wave-divider svg {
        height: 58px;
    }

    .service {
        padding-top: 95px;
    }

    .scroll-indicator {
        bottom: 75px;
    }
}

/* モバイル小型（320px-479px） */
@media (max-width: 479px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 100px 0 75px;
    }

    .hero-content {
        min-height: calc(100vh - 175px);
    }

    .wave-divider svg {
        height: 50px;
    }

    .scroll-indicator {
        bottom: 70px;
    }

    .service {
        padding-top: 80px;
    }

    .hero-main {
        padding: 0 8px;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 8px 16px;
        margin-bottom: 20px;
    }

    .badge-icon {
        font-size: 1rem;
    }

    .title-main {
        font-size: 2.5rem;
        letter-spacing: 0.01em;
    }

    .title-underline {
        height: 5px;
        margin-top: 12px;
    }

    .hero-description {
        font-size: 0.875rem;
        margin-bottom: 30px;
        line-height: 1.65;
    }

    .hero-description strong {
        font-size: 1.125rem;
        margin-bottom: 6px;
    }

    .hero-stats {
        gap: 20px;
        margin-bottom: 30px;
    }

    .stat-number {
        font-size: 2.25rem;
    }

    .stat-label {
        font-size: 0.625rem;
        letter-spacing: 0.06em;
    }

    .hero-buttons {
        gap: 12px;
    }

    .button {
        padding: 16px 28px;
        font-size: 0.875rem;
        padding-left: 44px;
    }

    .button-large {
        padding: 17px 30px;
        font-size: 0.9375rem;
        padding-left: 48px;
    }

    .button-shark {
        left: 7px;
        font-size: 1.0625rem;
    }

    .section-title {
        font-size: 1.75rem;
        margin-bottom: 16px;
        letter-spacing: 0.02em;
    }

    .section-icon {
        font-size: 1.625rem;
    }

    .section-description {
        font-size: 0.875rem;
        margin-bottom: 30px;
    }

    section {
        padding: 60px 0;
    }

    .service-grid {
        gap: 25px;
        margin-top: 35px;
    }

    .service-card {
        padding: 32px 18px;
        overflow: hidden;
    }

    .card-shark-icon {
        font-size: 1.875rem;
        top: -12px;
        right: -6px;
    }

    .service-icon {
        font-size: 3.25rem;
        margin-bottom: 18px;
    }

    .service-card-title {
        font-size: 1.25rem;
        margin-bottom: 12px;
    }

    .service-card-description {
        font-size: 0.8125rem;
        line-height: 1.7;
    }

    .strengths-content {
        gap: 25px;
        margin-top: 35px;
    }

    .strength-item {
        padding: 30px 18px;
        gap: 16px;
    }
    
    .strength-shark-bg {
        font-size: 4rem;
        bottom: 3px;
        right: 3px;
    }
    
    .customer-type-content {
        padding: 25px;
    }
    
    .customer-type-title {
        font-size: 1.125rem;
    }
    
    .customer-item {
        padding: 14px;
    }
    
    .item-icon {
        width: 26px;
        height: 26px;
        font-size: 0.9375rem;
    }
    
    .item-content h4 {
        font-size: 0.875rem;
    }
    
    .item-content p {
        font-size: 0.8125rem;
    }
    
    .note-icon {
        font-size: 1.25rem;
    }
    
    .note-content strong {
        font-size: 0.875rem;
    }
    
    .note-content p {
        font-size: 0.8125rem;
    }
    
    .contact-intro {
        flex-direction: column;
        gap: 8px;
    }
    
    .contact-intro-shark {
        font-size: 1.5rem;
    }
    
    .contact-intro p {
        font-size: 0.9375rem;
    }

    .strength-number {
        font-size: 2.75rem;
    }

    .strength-shark {
        font-size: 1.375rem;
        right: -22px;
        top: -7px;
    }

    .strength-title {
        font-size: 1.25rem;
        margin-bottom: 10px;
    }

    .strength-description {
        font-size: 0.8125rem;
        line-height: 1.7;
    }

    .results-grid {
        gap: 25px;
        margin-top: 35px;
    }

    .result-card {
        padding: 32px 18px;
        overflow: hidden;
    }

    .card-corner-shark {
        font-size: 1.875rem;
        top: -10px;
        right: -9px;
    }

    .result-percentage {
        font-size: 3rem;
        margin-bottom: 14px;
    }

    .result-title {
        font-size: 1.0625rem;
    }

    .result-description {
        font-size: 0.8125rem;
    }

    .customer-type {
        padding: 25px 18px;
    }

    .customer-type-header h3 {
        font-size: 1.1875rem;
    }

    .customer-list li {
        font-size: 0.8125rem;
        margin-bottom: 10px;
    }

    .other-service-item {
        padding: 20px 14px;
        font-size: 0.8125rem;
    }

    .contact-method {
        padding: 20px;
    }

    .contact-method-icon {
        font-size: 2.25rem;
    }

    .contact-method-text strong {
        font-size: 0.9375rem;
    }

    .contact-method-text span {
        font-size: 0.8125rem;
    }

    .floating-shark {
        font-size: 2rem;
        opacity: 0.08;
    }

    .section-bg-shark {
        font-size: 11rem;
        opacity: 0.02;
    }

    .deco-shark {
        font-size: 1.25rem;
        opacity: 0.04;
    }

    .company-concept {
        padding: 25px 18px;
    }

    .concept-text {
        font-size: 1.5rem;
    }

    .company-table th,
    .company-table td {
        padding: 12px 4px;
    }

    .resource-link {
        flex-direction: column;
        text-align: center;
        padding: 18px;
    }

    .resource-icon {
        font-size: 1.75rem;
    }

    .resource-text strong {
        font-size: 0.9375rem;
    }

    .footer-links {
        gap: 25px;
    }

    .patto-form-section {
        padding: 50px 0 60px;
    }
}

/* 極小デバイス対応（320px以下） */
@media (max-width: 359px) {
    .container {
        padding: 0 14px;
    }

    .title-main {
        font-size: 2.125rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .service-icon {
        font-size: 2.75rem;
    }

    .button {
        font-size: 0.8125rem;
        padding: 14px 24px;
        padding-left: 40px;
    }

    .button-large {
        font-size: 0.875rem;
        padding: 15px 26px;
        padding-left: 44px;
    }
}