/* ============================================
   Intereet Inc. — Google Workspace LP
   Pattern2ベース × サービスLP特化
   ============================================ */

:root {
    --primary: #0077b6;
    --primary-dark: #005a8d;
    --accent: #00b4d8;
    --green: #2d9d6e;
    --dark: #1a1a2e;
    --text: #333;
    --text-light: #666;
    --text-muted: #999;
    --bg: #ffffff;
    --bg-light: #f8f9fc;
    --bg-section: #f0f4f8;
    --gradient: linear-gradient(135deg, #2d9d6e, #00b4d8, #0077b6);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.8;
}

/* ── Navigation ── */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s;
}

.navbar.scrolled {
    border-bottom: 1px solid #eee;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
}

.nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.3s;
}

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

.nav-links .nav-cta {
    padding: 10px 28px;
    background: var(--gradient);
    color: #fff !important;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
}

.nav-links .nav-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: all 0.3s;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Hero ── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--bg-light);
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: var(--gradient);
    clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
    opacity: 0.06;
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 119, 182, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 119, 182, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-inner {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(0, 119, 182, 0.08);
    padding: 8px 20px;
    border-radius: 30px;
    margin-bottom: 20px;
}

.hero-label i {
    font-size: 1rem;
}

.hero-text h1 {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    line-height: 1.4;
    color: var(--dark);
    margin-bottom: 20px;
}

.hero-text h1 span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-lead {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 40px;
    font-weight: 300;
    line-height: 2;
}

.hero-lead strong {
    color: var(--primary);
    font-weight: 700;
}

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    background: var(--gradient);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 119, 182, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 119, 182, 0.35);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    border: 2px solid var(--primary);
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.3s;
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

/* Hero Visual - GWS Icons */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-icon-box {
    width: 340px;
    height: 340px;
    background: white;
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(0, 119, 182, 0.1);
    position: relative;
}

.hero-icon-box::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: var(--gradient);
    border-radius: 33px;
    z-index: -1;
    opacity: 0.3;
}

.gws-icons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.gws-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 16px;
    transition: all 0.3s;
}

.gws-icon-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.gws-icon-item i {
    font-size: 1.8rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gws-icon-item span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-light);
}

/* ── Section Common ── */
section {
    padding: 100px 40px;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-label {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 10px;
}

.section-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
    margin-top: 15px;
}

.section-line {
    width: 50px;
    height: 3px;
    background: var(--gradient);
    margin: 0 auto;
    border-radius: 2px;
}

/* ── Problems ── */
.problems {
    background: var(--bg);
}

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

.problem-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-light);
    border-radius: 14px;
    padding: 24px 30px;
    transition: all 0.3s;
    border-left: 4px solid transparent;
}

.problem-item:hover {
    border-left-color: var(--accent);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
    transform: translateX(4px);
}

.problem-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.problem-icon i {
    color: white;
    font-size: 0.85rem;
}

.problem-item p {
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.7;
}

.problem-item p strong {
    color: var(--primary);
}

.problems-cta {
    text-align: center;
    margin-top: 50px;
    padding: 30px;
    background: rgba(0, 180, 216, 0.06);
    border-radius: 14px;
    border: 1px dashed var(--accent);
}

.problems-cta p {
    font-size: 1.05rem;
    color: var(--dark);
    font-weight: 500;
}

.problems-cta p strong {
    color: var(--primary);
    font-weight: 700;
}

/* ── Values ── */
.values {
    background: var(--bg-section);
}

.values-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.value-card {
    background: white;
    border-radius: 16px;
    padding: 45px 30px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

.value-number {
    font-family: 'Inter', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.2;
    line-height: 1;
    margin-bottom: 15px;
}

.value-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-section);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all 0.4s;
}

.value-card:hover .value-icon {
    background: var(--gradient);
}

.value-icon i {
    font-size: 1.3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.4s;
}

.value-card:hover .value-icon i {
    -webkit-text-fill-color: white;
    background: none;
}

.value-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 15px;
    line-height: 1.5;
}

.value-card p {
    font-size: 0.88rem;
    color: var(--text-light);
    font-weight: 300;
    line-height: 1.9;
}

/* ── CTA Banner ── */
.cta-banner {
    background: var(--gradient);
    padding: 70px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
    pointer-events: none;
}

.cta-banner h2 {
    font-size: clamp(1.4rem, 2.5vw, 1.8rem);
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
    position: relative;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    margin-bottom: 30px;
    font-size: 0.95rem;
    position: relative;
}

.cta-banner .btn-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 44px;
    background: white;
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: all 0.3s;
    position: relative;
}

.cta-banner .btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

/* ── Plans ── */
.plans {
    background: var(--bg);
}

.plans-grid {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

.plan-card {
    background: var(--bg-light);
    border-radius: 20px;
    padding: 45px 35px;
    position: relative;
    transition: all 0.4s;
    border: 2px solid transparent;
}

.plan-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.plan-card.featured {
    background: white;
    border-color: var(--accent);
    box-shadow: 0 10px 40px rgba(0, 180, 216, 0.12);
}

.plan-card.featured:hover {
    box-shadow: 0 20px 50px rgba(0, 180, 216, 0.18);
}

.plan-badge {
    display: inline-block;
    padding: 5px 16px;
    background: var(--bg-section);
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.plan-badge.featured-badge {
    background: var(--gradient);
    color: white;
}

.plan-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.plan-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.plan-price {
    margin-bottom: 30px;
    padding-bottom: 24px;
    border-bottom: 1px solid #e8ecf2;
}

.price-num {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
}

.price-unit {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: 4px;
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
}

.plan-features li {
    font-size: 0.88rem;
    color: var(--text);
    padding: 8px 0;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.5;
}

.plan-features li i {
    color: var(--green);
    font-size: 0.85rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.plan-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 0;
    border: 2px solid var(--primary);
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.3s;
}

.plan-btn:hover {
    background: var(--primary);
    color: #fff;
}

.plan-btn.featured-btn {
    background: var(--gradient);
    border: none;
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 119, 182, 0.25);
}

.plan-btn.featured-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 119, 182, 0.35);
}

/* ── Reasons ── */
.reasons {
    background: var(--bg-section);
}

.reasons-grid {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.reason-card {
    background: white;
    border-radius: 20px;
    padding: 50px 40px;
    transition: all 0.4s;
    border: 1px solid transparent;
}

.reason-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: 0 15px 40px rgba(0, 180, 216, 0.1);
}

.reason-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--bg-section);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: all 0.4s;
}

.reason-card:hover .reason-icon {
    background: var(--gradient);
}

.reason-icon i {
    font-size: 1.4rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.4s;
}

.reason-card:hover .reason-icon i {
    -webkit-text-fill-color: white;
    background: none;
}

.reason-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    line-height: 1.6;
}

.reason-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 300;
    line-height: 1.9;
}

/* ── FAQ ── */
.faq {
    background: var(--bg);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-light);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: box-shadow 0.3s;
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.faq-question {
    padding: 22px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.faq-question h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 12px;
}

.faq-question h4 .q-mark {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    font-size: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.faq-question .faq-toggle {
    font-size: 0.9rem;
    color: var(--accent);
    transition: transform 0.3s;
    flex-shrink: 0;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer-inner {
    padding: 0 30px 22px 30px;
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 300;
    line-height: 1.9;
    padding-left: 56px;
}

/* ── Contact ── */
.contact {
    background: var(--bg-section);
}

.contact-box {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 60px 50px;
    text-align: center;
    border: 1px solid #e8ecf2;
}

.contact-box > p {
    color: var(--text-light);
    margin-bottom: 30px;
    font-weight: 300;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 30px;
}

.contact-method {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 24px 16px;
    background: var(--bg-light);
    border-radius: 12px;
    color: var(--text);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.contact-method i {
    font-size: 1.3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-method .cm-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

.contact-method:hover {
    border-color: var(--accent);
    box-shadow: 0 6px 20px rgba(0, 180, 216, 0.1);
    transform: translateY(-3px);
}

.contact-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 50px;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 119, 182, 0.25);
    margin-top: 10px;
}

.contact-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 119, 182, 0.35);
}

/* ── Footer ── */
footer {
    background: var(--dark);
    padding: 50px 40px 30px;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 25px;
}

.footer-brand img {
    height: 50px;
    margin-bottom: 15px;
    filter: brightness(1.8);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.82rem;
    line-height: 1.8;
}

.footer-col h4 {
    font-size: 0.8rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
}

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

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    font-size: 0.82rem;
    transition: color 0.3s;
}

.footer-col ul li a:hover {
    color: var(--accent);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.75rem;
}

/* ── Scroll Animation ── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Responsive ── */
@media (max-width: 968px) {
    section {
        padding: 80px 20px;
    }

    .nav-inner {
        padding: 14px 20px;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 25px;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        font-size: 1.1rem;
        color: var(--text);
    }

    .hamburger {
        display: flex;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 120px 20px 60px;
        text-align: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-icon-box {
        width: 240px;
        height: 240px;
    }

    .gws-icon-item {
        padding: 12px;
    }

    .gws-icon-item i {
        font-size: 1.3rem;
    }

    .gws-icons {
        gap: 14px;
    }

    .hero-btns {
        justify-content: center;
    }

    .hero-label {
        margin: 0 auto 20px;
    }

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

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

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

    .contact-box {
        padding: 40px 20px;
    }

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

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .cta-banner {
        padding: 50px 20px;
    }

    .problem-item {
        padding: 20px;
    }

    .reason-card {
        padding: 35px 25px;
    }
}

@media (max-width: 600px) {
    .hero-text h1 {
        font-size: 1.6rem;
    }

    .hero-icon-box {
        width: 200px;
        height: 200px;
    }

    .gws-icon-item {
        padding: 8px;
        gap: 6px;
    }

    .gws-icon-item i {
        font-size: 1.1rem;
    }

    .gws-icon-item span {
        font-size: 0.65rem;
    }

    .gws-icons {
        gap: 10px;
    }

    .plan-card {
        padding: 35px 25px;
    }
}