/* ===================================
   井上智博 プロフィールサイト
   CSS Styles
   =================================== */

/* --- CSS Variables --- */
:root {
    --color-bg-dark: #0a1628;
    --color-bg-mid: #1e3a5f;
    --color-accent-cyan: #00d4ff;
    --color-accent-light: #4de8ff;
    --color-text-primary: #ffffff;
    --color-text-secondary: #b0c4de;
    --color-text-muted: #7a9cc6;
    --font-sans: 'Noto Sans JP', sans-serif;
    --font-serif: 'Noto Serif JP', serif;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.8;
    color: var(--color-text-primary);
    background: #0a0e1a;
    overflow-x: hidden;
}

.header,
.hero,
.section,
.footer {
    position: relative;
    z-index: 1;
}

/* --- Section Canvas (per-section backgrounds) --- */
.section-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-base);
}

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

ul {
    list-style: none;
}

/* --- Container --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    background: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

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

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-text-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-base);
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-list a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-cyan);
    transition: var(--transition-base);
}

.nav-list a:hover {
    color: var(--color-text-primary);
}

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

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: #05080f;
}



.hero-content {
    text-align: center;
    z-index: 2;
    position: relative;
    padding: 0 20px;
}

.hero-subtitle {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.2em;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-title {
    margin-bottom: 20px;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-title-main {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-cyan) 50%, var(--color-text-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(0, 212, 255, 0.3);
}

.hero-catchphrase {
    font-family: var(--font-serif);
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--color-text-secondary);
    margin-bottom: 15px;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-name {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.8s both;
}

.hero-cta {
    animation: fadeInUp 1s ease 1s both;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    animation: fadeInUp 1s ease 1.2s both;
    z-index: 2;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: rotate(45deg);
    margin-top: 10px;
    animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {

    0%,
    100% {
        transform: rotate(45deg) translateY(0);
    }

    50% {
        transform: rotate(45deg) translateY(10px);
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 35px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-bg-mid));
    color: var(--color-text-primary);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent-cyan);
    border: 2px solid var(--color-accent-cyan);
}

.btn-outline:hover {
    background: var(--color-accent-cyan);
    color: var(--color-bg-dark);
}

.btn-small {
    padding: 10px 25px;
    font-size: 0.9rem;
}

.btn-large {
    padding: 18px 45px;
    font-size: 1.1rem;
}

.btn-icon {
    font-size: 1.2em;
}

/* --- Section Base --- */
.section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: 50px;
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title-sub {
    font-size: 0.7em;
    display: block;
    margin-top: 10px;
}

.lead-text {
    font-size: 1.3rem;
    color: var(--color-text-primary);
    margin-bottom: 30px;
    line-height: 2;
}

/* --- About Section --- */
.section-about {
    background: #020518;
}


.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.about-content .btn {
    margin-top: 30px;
}

/* --- Concept Section --- */
.section-concept {
    background: transparent;
    position: relative;
}

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

.concept-card {
    text-align: center;
    padding: 40px 30px;
    background: rgba(30, 58, 95, 0.3);
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: var(--transition-base);
}

.concept-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1);
}

.concept-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 25px;
}

.concept-svg {
    width: 100%;
    height: 100%;
}

.concept-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--color-accent-cyan);
    margin-bottom: 15px;
}

.concept-text {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* --- Profile Section --- */
.section-profile {
    background: #0d1a2e;
}


.profile-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: center;
}

.profile-image-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, var(--color-bg-mid), var(--color-bg-dark));
    border-radius: 20px;
    border: 2px solid rgba(0, 212, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 1.5rem;
}

.profile-img {
    width: 100%;
    max-width: 350px;
    border-radius: 20px;
    border: 3px solid rgba(0, 212, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1);
}

.profile-name {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.profile-name-reading {
    font-size: 0.5em;
    color: var(--color-text-secondary);
    margin-left: 15px;
    font-weight: 400;
}

.profile-title {
    color: var(--color-accent-cyan);
    font-size: 1.1rem;
    margin-bottom: 25px;
}

.profile-description p {
    color: var(--color-text-secondary);
    margin-bottom: 15px;
}

.profile-stats {
    margin-top: 40px;
}

.stat-item {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 5px;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-text-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-unit {
    font-size: 1.5rem;
    color: var(--color-text-primary);
}

.stat-label {
    width: 100%;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* --- Mindset Section --- */
.section-mindset {
    background: #060d1a;
    min-height: 80vh;
    display: flex;
    align-items: center;
}


.mindset-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 10;
}

.mindset-content p {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

/* --- Truth Section --- */
.section-truth {
    background: #080e1a;
    min-height: 80vh;
    display: flex;
    align-items: center;
}


.truth-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 10;
}

.truth-content p {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.truth-cta-text {
    margin-top: 40px;
    font-size: 1.1rem;
}

.truth-content .btn {
    margin-top: 20px;
}

/* --- Services Section --- */
.section-services {
    background: #0a1220;
}

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

.service-card {
    background: rgba(10, 22, 40, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    padding: 0;
    text-align: center;
    transition: var(--transition-base);
    overflow: hidden;
}

.service-card:hover {
    border-color: rgba(0, 212, 255, 0.5);
    transform: translateY(-5px);
}

.service-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
    transition: var(--transition-slow);
}

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

.service-icon {
    font-size: 3rem;
    margin: 30px 0 20px;
}

.service-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-accent-cyan);
    margin: 25px 0 15px;
    padding: 0 30px;
}

.service-description {
    color: var(--color-text-secondary);
    margin-bottom: 25px;
    padding: 0 30px;
}

.service-card .btn {
    margin-bottom: 30px;
}

/* --- CTA Section --- */
.section-cta {
    background: #0d1525;
    text-align: center;
}

.cta-title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: 20px;
}

.cta-text {
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.cta-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
}

.cta-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 30px 50px;
    background: rgba(10, 22, 40, 0.6);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    transition: var(--transition-base);
    text-decoration: none;
}

.cta-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.6);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.2);
}

.cta-icon-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 15px;
}

.cta-card-text {
    color: var(--color-text-primary);
    font-size: 1.1rem;
    font-weight: 500;
}

/* --- SNS Section --- */
.section-contact {
    background: #0a1220;
}

.sns-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.sns-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 30px 20px;
    background: rgba(30, 58, 95, 0.3);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 16px;
    transition: var(--transition-base);
    text-decoration: none;
}

.sns-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 12px 30px rgba(0, 212, 255, 0.15);
}

.sns-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.sns-icon svg {
    width: 30px;
    height: 30px;
}

.sns-icon-line {
    background: #06C755;
    color: #fff;
}

.sns-icon-instagram {
    background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    color: #fff;
}

.sns-icon-youtube {
    background: #FF0000;
    color: #fff;
}

.sns-icon-tiktok {
    background: #010101;
    color: #fff;
}

.sns-icon-note {
    background: #41C9B4;
    color: #fff;
}

.sns-icon-mail {
    background: var(--color-accent-cyan);
    color: var(--color-bg-dark);
}

.sns-name {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

.sns-id {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.sns-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    text-align: center;
}

/* --- Footer --- */
.footer {
    background: #080e1a;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    padding: 50px 0 30px;
    text-align: center;
}

.footer-name {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.footer-links {
    margin-bottom: 30px;
}

.footer-links a {
    color: var(--color-accent-cyan);
    font-size: 0.9rem;
}

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

.copyright {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .concept-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }

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

    .profile-image-placeholder {
        max-width: 300px;
        margin: 0 auto;
    }

    .profile-img {
        margin: 0 auto;
    }

    .profile-text {
        text-align: center;
    }

    .stat-item {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(10, 22, 40, 0.98);
        padding: 30px 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
    }

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

    .nav-list {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .concept-grid {
        grid-template-columns: 1fr;
        max-width: 350px;
        margin: 0 auto;
    }

    .concept-card {
        padding: 30px 20px;
    }

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

    .service-image {
        height: 200px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-cards {
        flex-direction: column;
        align-items: center;
        gap: 25px;
    }

    .cta-card {
        width: 100%;
        max-width: 300px;
        padding: 25px 30px;
    }

    .cta-icon-img {
        width: 60px;
        height: 60px;
    }

    .btn-large {
        width: 100%;
        max-width: 300px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 35px;
    }

    .lead-text {
        font-size: 1.1rem;
    }

    .section-mindset,
    .section-truth {
        min-height: auto;
        padding: 80px 0;
    }

    .sns-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .sns-card {
        padding: 20px 15px;
        gap: 10px;
    }


    .truth-cta-text {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .header {
        padding: 12px 0;
    }

    .logo {
        font-size: 1.3rem;
    }

    .hero-subtitle {
        font-size: 0.8rem;
        letter-spacing: 0.15em;
    }

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

    .hero-name {
        font-size: 1.3rem;
        margin-bottom: 30px;
    }

    .hero-cta .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: 30px;
    }

    .section-title-sub {
        font-size: 0.8em;
    }

    .lead-text {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .about-content p {
        font-size: 0.95rem;
    }

    .concept-icon {
        width: 70px;
        height: 70px;
    }

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

    .concept-text {
        font-size: 0.9rem;
    }

    .profile-img {
        max-width: 250px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .stat-unit {
        font-size: 1.2rem;
    }

    .profile-name {
        font-size: 1.8rem;
    }

    .profile-name-reading {
        display: block;
        margin-left: 0;
        margin-top: 5px;
        font-size: 0.9rem;
    }

    .profile-title {
        font-size: 1rem;
    }

    .profile-description p {
        font-size: 0.95rem;
    }

    .mindset-content p,
    .truth-content p {
        font-size: 0.95rem;
    }

    .truth-cta-text {
        font-size: 0.95rem;
    }

    .truth-content .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }

    .service-image {
        height: 180px;
    }

    .service-title {
        font-size: 1.2rem;
        padding: 0 20px;
    }

    .service-description {
        font-size: 0.9rem;
        padding: 0 20px;
    }

    .service-card .btn {
        font-size: 0.85rem;
        padding: 10px 20px;
    }

    .cta-title {
        font-size: 1.3rem;
    }

    .cta-text {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    .cta-card {
        padding: 20px 25px;
        gap: 15px;
    }

    .cta-icon-img {
        width: 50px;
        height: 50px;
    }

    .cta-card-text {
        font-size: 0.95rem;
    }

    .sns-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .sns-card {
        padding: 18px 10px;
        gap: 8px;
    }

    .sns-icon {
        width: 42px;
        height: 42px;
    }

    .sns-icon svg {
        width: 24px;
        height: 24px;
    }

    .sns-name {
        font-size: 0.9rem;
    }

    .sns-id {
        font-size: 0.75rem;
    }

    .footer {
        padding: 40px 0 25px;
    }

    .footer-name {
        font-size: 1.3rem;
    }

    .footer-tagline {
        font-size: 0.85rem;
    }

    .btn {
        padding: 12px 28px;
        font-size: 0.9rem;
    }

    .btn-outline {
        padding: 10px 25px;
    }

    .scroll-indicator {
        bottom: 20px;
        font-size: 0.7rem;
    }

    .scroll-arrow {
        width: 15px;
        height: 15px;
    }
}