/* ========================================
   Pieces - Global Styles
   Brand Colors:
   Main: #7FAF9B
   Sub: #F7F5EF
   Accent: #3F6B5E
   ======================================== */

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

:root {
    --color-main: #7FAF9B;
    --color-main-light: #a3c8ba;
    --color-main-lighter: #d4e6de;
    --color-sub: #F7F5EF;
    --color-accent: #3F6B5E;
    --color-accent-dark: #2d4e44;
    --color-text: #3a3a3a;
    --color-text-light: #6b6b6b;
    --color-text-muted: #999;
    --color-white: #ffffff;
    --color-border: #e0ddd5;
    --color-bg-warm: #faf9f5;
    --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Noto Serif JP', serif;
    --shadow-sm: 0 2px 8px rgba(63, 107, 94, 0.08);
    --shadow-md: 0 4px 20px rgba(63, 107, 94, 0.1);
    --shadow-lg: 0 8px 32px rgba(63, 107, 94, 0.12);
    --shadow-xl: 0 12px 48px rgba(63, 107, 94, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

a:hover {
    color: var(--color-main);
}

.sp-only { display: none; }
.pc-only { display: inline; }

@media (max-width: 768px) {
    .sp-only { display: inline; }
    .pc-only { display: none; }
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(224, 221, 213, 0.5);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-img {
    height: 56px;
    width: auto;
}

.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 8px;
}

.nav-list li a {
    display: block;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-list li a:hover {
    color: var(--color-accent);
    background: var(--color-sub);
}

.nav-list li a.active {
    color: var(--color-accent);
    font-weight: 600;
}

.btn-nav {
    background: var(--color-accent) !important;
    color: var(--color-white) !important;
    font-weight: 600 !important;
    padding: 10px 20px !important;
    border-radius: 50px !important;
    font-size: 0.8rem !important;
}

.btn-nav:hover {
    background: var(--color-accent-dark) !important;
    transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    gap: 6px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

@media (max-width: 900px) {
    .hamburger {
        display: flex;
    }
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--color-white);
        box-shadow: var(--shadow-xl);
        transition: right 0.4s ease;
        padding-top: 80px;
        z-index: 1000;
    }
    .nav.open {
        right: 0;
    }
    .nav-list {
        flex-direction: column;
        align-items: stretch;
        padding: 20px;
        gap: 4px;
    }
    .nav-list li a {
        padding: 14px 20px;
        font-size: 0.95rem;
        border-radius: var(--radius-sm);
    }
    .btn-nav {
        text-align: center !important;
        margin-top: 8px;
    }
}

/* Mobile overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.nav-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.5;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: 50px;
    padding: 14px 32px;
    font-size: 0.95rem;
    box-shadow: 0 4px 16px rgba(63, 107, 94, 0.25);
}

.btn-primary:hover {
    background: var(--color-accent-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(63, 107, 94, 0.35);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1rem;
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
    border-radius: 50px;
    padding: 12px 32px;
    font-size: 0.95rem;
}

.btn-outline:hover {
    background: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ========================================
   Hero Section (Top page)
   ======================================== */
.hero {
    position: relative;
    padding: 140px 0 100px;
    background: linear-gradient(135deg, var(--color-sub) 0%, #eef5f1 50%, var(--color-main-lighter) 100%);
    overflow: hidden;
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--color-main);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--color-accent);
    bottom: 80px;
    left: -60px;
    animation: float 6s ease-in-out infinite reverse;
}

.shape-3 {
    width: 120px;
    height: 120px;
    background: var(--color-main);
    top: 40%;
    right: 20%;
    animation: float 7s ease-in-out infinite 1s;
}

.shape-4 {
    width: 80px;
    height: 80px;
    border: 3px solid var(--color-main);
    background: transparent;
    bottom: 30%;
    left: 15%;
    animation: float 9s ease-in-out infinite 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-main);
    letter-spacing: 0.1em;
    margin-bottom: 20px;
    background: rgba(127, 175, 155, 0.12);
    padding: 6px 16px;
    border-radius: 50px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 2.1rem;
    font-weight: 700;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: 20px;
}

.hero-title .highlight {
    color: var(--color-accent);
    position: relative;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    right: 0;
    height: 8px;
    background: rgba(127, 175, 155, 0.25);
    border-radius: 4px;
    z-index: -1;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.9;
    margin-bottom: 36px;
}

.hero-visual {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hero-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border-left: 4px solid var(--color-main);
}

.hero-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-lg);
}

.hero-card-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--color-main), var(--color-accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.hero-card p {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text);
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    z-index: 2;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 80px;
}

@media (max-width: 900px) {
    .hero {
        padding: 120px 0 80px;
        min-height: auto;
    }
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-title {
        font-size: 1.6rem;
    }
    .hero-visual {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 12px;
    }
    .hero-card {
        flex-direction: column;
        text-align: center;
        padding: 16px 12px;
        border-left: none;
        border-top: 3px solid var(--color-main);
    }
    .hero-card:hover {
        transform: translateY(-4px);
    }
    .hero-card-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    .hero-card p {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .hero-visual {
        grid-template-columns: 1fr;
    }
    .hero-card {
        flex-direction: row;
        text-align: left;
        border-left: 3px solid var(--color-main);
        border-top: none;
    }
    .hero-card:hover {
        transform: translateX(4px);
    }
}

/* ========================================
   Section Commons
   ======================================== */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-main);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.5;
}

.section-divider {
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-main), var(--color-accent));
    border-radius: 2px;
    margin: 16px auto 0;
}

@media (max-width: 768px) {
    .section {
        padding: 72px 0;
    }
    .section-title {
        font-size: 1.4rem;
    }
    .section-header {
        margin-bottom: 40px;
    }
}

/* ========================================
   Problems Section
   ======================================== */
.problems {
    background: var(--color-white);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.problem-card {
    background: var(--color-sub);
    border-radius: var(--radius-md);
    padding: 32px 16px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.problem-card:nth-child(1) { animation-delay: 0s; }
.problem-card:nth-child(2) { animation-delay: 0.1s; }
.problem-card:nth-child(3) { animation-delay: 0.2s; }
.problem-card:nth-child(4) { animation-delay: 0.3s; }
.problem-card:nth-child(5) { animation-delay: 0.4s; }

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

.problem-card:hover {
    border-color: var(--color-main);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.problem-icon {
    width: 56px;
    height: 56px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.3rem;
    color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.problem-text {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.6;
    color: var(--color-text);
}

.problems-cta {
    text-align: center;
}

.problems-cta-text {
    font-size: 1.05rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.problems-cta-text strong {
    color: var(--color-accent);
}

.problems-arrow {
    color: var(--color-main);
    font-size: 1.2rem;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

@media (max-width: 900px) {
    .problems-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 600px) {
    .problems-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .problem-card {
        padding: 24px 12px;
    }
    .problem-icon {
        width: 48px;
        height: 48px;
        font-size: 1.1rem;
    }
    .problem-text {
        font-size: 0.82rem;
    }
}

/* ========================================
   Concept Section
   ======================================== */
.concept {
    background: var(--color-sub);
}

.concept-lead {
    text-align: center;
    font-size: 1.05rem;
    line-height: 2;
    color: var(--color-text);
    margin-bottom: 48px;
}

.concept-lead strong {
    color: var(--color-accent);
}

.concept-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 700px;
    margin: 0 auto;
}

.concept-feature {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    background: var(--color-white);
    padding: 28px 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.concept-feature:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.concept-feature-num {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-main);
    line-height: 1;
    flex-shrink: 0;
    opacity: 0.7;
}

.concept-feature-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 6px;
}

.concept-feature-content p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

@media (max-width: 600px) {
    .concept-lead {
        font-size: 0.95rem;
        text-align: left;
    }
    .concept-feature {
        padding: 20px;
        gap: 16px;
    }
}

/* ========================================
   Services Section
   ======================================== */
.services {
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.service-card {
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-main), var(--color-accent));
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--color-main);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

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

.service-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.service-num {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-main-light);
    line-height: 1;
}

.service-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-main-lighter), rgba(127, 175, 155, 0.15));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 1.2rem;
}

.service-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
    line-height: 1.5;
}

.service-desc {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
}

.service-tags li {
    background: var(--color-sub);
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 50px;
}

.services-more {
    text-align: center;
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ========================================
   CTA / Contact Section
   ======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--color-sub) 0%, #eef5f1 100%);
}

.cta-wrapper {
    max-width: 640px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 56px 48px;
    box-shadow: var(--shadow-lg);
}

.cta-header {
    text-align: center;
    margin-bottom: 40px;
}

.cta-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-main), var(--color-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--color-white);
    font-size: 1.5rem;
}

.cta-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

.cta-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

@media (max-width: 600px) {
    .cta-wrapper {
        padding: 36px 24px;
        border-radius: var(--radius-lg);
    }
}

/* ========================================
   Form Styles
   ======================================== */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.required {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 6px;
    vertical-align: middle;
}

.optional {
    display: inline-block;
    background: var(--color-border);
    color: var(--color-text-light);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 6px;
    vertical-align: middle;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 14px 18px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--color-text);
    background: var(--color-sub);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    outline: none;
}

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

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-main);
    background: var(--color-white);
    box-shadow: 0 0 0 4px rgba(127, 175, 155, 0.15);
}

.form-input-sm {
    padding: 10px 14px;
    font-size: 0.88rem;
    margin-top: 8px;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Checkbox Styles */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-text);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.checkbox-label:hover {
    background: var(--color-sub);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 22px;
    height: 22px;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
    position: relative;
}

.checkbox-custom::after {
    content: '✓';
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-white);
    opacity: 0;
    transition: var(--transition);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    opacity: 1;
}

.checkbox-highlight {
    background: rgba(127, 175, 155, 0.08);
    border: 1px dashed var(--color-main);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.checkbox-highlight:hover {
    background: rgba(127, 175, 155, 0.15);
}

.form-note {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin-top: 6px;
    padding-left: 16px;
}

.other-input-wrapper {
    padding-left: 32px;
}

.form-submit {
    text-align: center;
    margin-top: 32px;
}

.btn-submit {
    width: 100%;
    max-width: 320px;
    justify-content: center;
}

/* Form validation */
.form-input.error,
.form-textarea.error {
    border-color: #e74c3c;
    background: #fff5f5;
}

.form-error-msg {
    color: #e74c3c;
    font-size: 0.78rem;
    margin-top: 4px;
}

/* Success Message */
.form-success {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    font-size: 3rem;
    color: var(--color-main);
    margin-bottom: 20px;
}

.form-success h3 {
    font-size: 1.3rem;
    color: var(--color-text);
    margin-bottom: 12px;
}

.form-success p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-sub);
    color: var(--color-text);
    padding: 48px 0 24px;
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 24px;
}

.footer-logo {
    height: 44px;
    width: auto;
}

.footer-tagline {
    font-size: 0.78rem;
    margin-top: 8px;
    color: var(--color-text-light);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--color-text-light);
    font-size: 0.85rem;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

@media (max-width: 600px) {
    .footer-inner {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }
}

/* ========================================
   About Page - Hero
   ======================================== */
.about-hero {
    position: relative;
    padding: 130px 0 72px;
    background: linear-gradient(135deg, var(--color-sub) 0%, #eef5f1 50%, var(--color-main-lighter) 100%);
    overflow: hidden;
    text-align: center;
}

.about-hero-inner {
    position: relative;
    z-index: 1;
}

.about-hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-main);
    letter-spacing: 0.1em;
    margin-bottom: 20px;
    background: rgba(127, 175, 155, 0.12);
    padding: 6px 16px;
    border-radius: 50px;
}

.about-hero-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: 20px;
}

.about-hero-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.9;
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .about-hero {
        padding: 110px 0 56px;
    }
    .about-hero-title {
        font-size: 1.4rem;
    }
    .about-hero-subtitle {
        font-size: 0.88rem;
    }
}

/* ========================================
   Mission & Vision
   ======================================== */
.mission-vision {
    background: var(--color-white);
}

.mv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.mv-card {
    padding: 48px 40px;
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.mission-card {
    background: linear-gradient(135deg, var(--color-accent), #4a7d6e);
    color: var(--color-white);
}

.vision-card {
    background: var(--color-sub);
    border: 2px solid var(--color-border);
    color: var(--color-text);
}

.mv-label {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 20px;
    opacity: 0.8;
}

.mission-card .mv-label {
    color: var(--color-main-lighter);
}

.vision-card .mv-label {
    color: var(--color-main);
}

.mv-title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.7;
}

.mv-deco {
    margin-top: 24px;
    font-size: 2rem;
    opacity: 0.2;
}

.mission-card .mv-deco {
    color: var(--color-white);
}

.vision-card .mv-deco {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .mv-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .mv-card {
        padding: 36px 28px;
    }
    .mv-title {
        font-size: 1.05rem;
    }
}

/* ========================================
   About Services
   ======================================== */
.about-services {
    background: var(--color-sub);
}

.about-services-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 750px;
    margin: 0 auto;
}

.about-service-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: var(--color-white);
    padding: 24px 28px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.about-service-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.about-service-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-main-lighter), rgba(127, 175, 155, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.about-service-content h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.about-service-content p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

@media (max-width: 600px) {
    .about-service-item {
        padding: 20px;
        gap: 16px;
    }
    .about-service-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* ========================================
   Strengths
   ======================================== */
.strengths {
    background: var(--color-white);
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.strength-card {
    background: var(--color-sub);
    padding: 36px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.strength-card:hover {
    border-color: var(--color-main);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.strength-icon {
    width: 56px;
    height: 56px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.3rem;
    color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.strength-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
    line-height: 1.6;
}

.strength-card p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

@media (max-width: 600px) {
    .strengths-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .strength-card {
        padding: 28px 24px;
    }
}

/* ========================================
   About Problems
   ======================================== */
.about-problems {
    background: var(--color-sub);
}

.about-problems-wrapper {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.about-problems-header {
    margin-bottom: 36px;
}

.about-problems-slash {
    font-size: 0.9rem;
    color: var(--color-main);
    font-weight: 600;
    margin-bottom: 12px;
}

.about-problems-header h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.about-problems-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.about-problem-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--color-white);
    padding: 18px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: left;
}

.about-problem-check {
    width: 32px;
    height: 32px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 0.8rem;
    flex-shrink: 0;
}

.about-problem-item p {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
}

.about-problems-note {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ========================================
   Profile
   ======================================== */
.profile {
    background: var(--color-white);
}

.profile-content {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 48px;
    align-items: start;
    margin-bottom: 56px;
}

.profile-photo-img {
    width: 240px;
    height: 300px;
    object-fit: cover;
    object-position: center top;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.profile-name {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
    line-height: 1.6;
}

.profile-name-en {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    margin-top: 2px;
}

.profile-story p {
    font-size: 0.95rem;
    line-height: 2;
    color: var(--color-text);
    margin-bottom: 20px;
}

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

@media (max-width: 768px) {
    .profile-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .profile-photo {
        text-align: center;
    }
    .profile-photo-img {
        width: 180px;
        height: 220px;
        margin: 0 auto;
    }
    .profile-name {
        text-align: center;
    }
}

/* Career Timeline */
.career {
    max-width: 700px;
    margin: 0 auto;
}

.career-title {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.career-title i {
    color: var(--color-main);
}

.career-timeline {
    position: relative;
    padding-left: 32px;
}

.career-timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--color-main), var(--color-accent));
    border-radius: 1px;
}

.career-item {
    position: relative;
    padding-bottom: 32px;
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 16px;
}

.career-item:last-child {
    padding-bottom: 0;
}

.career-item::before {
    content: '';
    position: absolute;
    left: -32px;
    top: 8px;
    width: 14px;
    height: 14px;
    background: var(--color-white);
    border: 3px solid var(--color-main);
    border-radius: 50%;
    z-index: 1;
}

.career-item:last-child::before {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.career-year {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-accent);
    padding-top: 2px;
}

.career-detail h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.career-detail p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

@media (max-width: 600px) {
    .career-item {
        grid-template-columns: 1fr;
        gap: 4px;
    }
}

/* ========================================
   Scroll Animations
   ======================================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Loading state for button
   ======================================== */
.btn-submit.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-submit.loading::after {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: 8px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   Utility
   ======================================== */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: 24px; }