/* =========================================
   VARIABLES - Japanese Kawaii Pastel Palette
   ========================================= */
:root {
    /* Background Colors */
    --bg-cream: #faf7f2;
    --bg-pink: #fdf3f5;
    --bg-white: #ffffff;
    
    /* Accent Colors - More vibrant for kawaii feel */
    --clr-pink: #f7a8b8;
    --clr-mint: #a8e6cf;
    --clr-aqua: #8fdbe6;
    --clr-lavender: #dcd3ff;
    --clr-yellow: #fde8a0;
    --clr-peach: #ffc4ba;
    
    /* Text Colors */
    --text-main: #6b5a5d;
    --text-light: #8e7f83;
    --text-heading: #544145;
    
    /* UI Details */
    --border-radius-sm: 15px;
    --border-radius-md: 30px;
    --border-radius-lg: 40px;
    --shadow-soft: 0 15px 40px rgba(92, 78, 82, 0.08);
    --shadow-hover: 0 20px 50px rgba(247, 168, 184, 0.2);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
}

/* =========================================
   GLOBAL RESET & TYPOGRAPHY
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-cream);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    color: var(--text-heading);
    font-weight: 800;
    line-height: 1.3;
}

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

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

ul {
    list-style: none;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-2 { margin-top: 2rem; }
.mt-4 { margin-top: 4rem; }
.mb-2 { margin-bottom: 2rem; }

/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 60px;
    font-weight: 800;
    font-size: 1.1rem;
    text-align: center;
    cursor: pointer;
    border: 3px solid white;
    transition: var(--transition);
    box-shadow: 0 6px 0px rgba(247, 168, 184, 0.6); 
}

.btn-primary {
    background: linear-gradient(135deg, var(--clr-pink), var(--clr-peach));
    color: white;
}

.btn-primary:hover {
    transform: translateY(2px);
    box-shadow: 0 4px 0px rgba(247, 168, 184, 0.6);
}

/* =========================================
   HEADER
   ========================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    padding: 15px 0;
    border-bottom: 5px dotted var(--clr-pink); 
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center; 
    gap: 20px; 
}

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

.logo img {
    height: 50px;
    width: auto;
    object-fit: contain; 
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 25px; 
}

.main-nav a {
    font-weight: 800;
    color: var(--text-heading);
    font-size: 1.05rem;
    padding: 5px 15px;
    border-radius: 20px;
    transition: var(--transition);
    white-space: nowrap; 
}

.main-nav a:hover {
    color: var(--clr-pink);
    background-color: var(--bg-pink); 
}

.nav-cta {
    padding: 10px 25px; 
    font-size: 1rem;
    box-shadow: 0 4px 0px rgba(247, 168, 184, 0.6); 
    white-space: nowrap; 
    flex-shrink: 0; 
}

.nav-cta:hover {
    transform: translateY(2px);
    box-shadow: 0 2px 0px rgba(247, 168, 184, 0.6);
}

.mobile-menu-icon {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-icon span {
    width: 28px;
    height: 4px;
    background-color: var(--text-heading);
    border-radius: 4px;
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    width: 100%;
    position: relative;
    background-color: var(--bg-pink); 
    padding: 0;
}

.hero-container {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 0; 
    box-shadow: none;
    line-height: 0; 
}

.hero-image {
    width: 100vw;
    height: auto;
    max-height: 85vh; 
    object-fit: cover;
    object-position: center;
    display: block;
}

/* =========================================
   COMMON SECTION STYLES
   ========================================= */
.section {
    padding: 120px 0;
    position: relative;
}

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

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

.section-dots {
    background-image: radial-gradient(var(--clr-peach) 2px, transparent 2px);
    background-size: 40px 40px;
}

.section-title {
    font-size: 2.8rem;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
    color: var(--clr-pink);
    -webkit-text-stroke: 1px var(--text-heading); 
    text-shadow: 3px 3px 0 var(--clr-peach);
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 8px;
    background: var(--clr-mint);
    border: 2px solid var(--text-heading); 
    border-radius: 10px;
    margin: 20px auto 0;
}

.text-left .section-title::after {
    margin-left: 0;
}

.section-subtitle, .section-highlight {
    font-size: 1.2rem;
    max-width: 750px;
    margin: 0 auto 20px;
}

.section-highlight {
    font-weight: 800;
    color: #d16b80; 
    background: white;
    padding: 5px 20px;
    border-radius: 20px;
    border: 2px dashed var(--clr-pink);
    display: inline-block;
}

.body-text {
    font-size: 1.2rem;
    max-width: 650px;
}

.card {
    background: var(--bg-white);
    border-radius: var(--border-radius-md);
    padding: 50px 40px;
    box-shadow: 0 10px 0 rgba(247, 168, 184, 0.2); 
    border: 4px solid var(--clr-pink); 
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.card::after {
    content: '';
    position: absolute;
    top: 10px; left: 10px; right: 10px; bottom: 10px;
    border: 2px dotted var(--clr-pink);
    border-radius: 20px;
    pointer-events: none;
    z-index: -1;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 0 rgba(247, 168, 184, 0.3);
}

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

.card h3, .process-step h3, .portfolio-info h3 {
    display: inline-block;
    background-color: var(--bg-pink);
    color: #d87085; 
    padding: 8px 25px;
    border-radius: 30px;
    border: 3px dashed var(--clr-pink);
    font-size: 1.4rem;
    margin-bottom: 20px;
    box-shadow: 2px 2px 0px var(--clr-peach);
    position: relative;
}

/* =========================================
   SPECIFIC SECTIONS
   ========================================= */

/* Section 1: Problem */
.problem-card { text-align: center; }

.card-icon {
    width: 150px;
    height: 150px; 
    margin: 0 auto 30px;
    background: var(--bg-pink); 
    border-radius: 50%;
    padding: 15px;
    border: 3px dashed var(--clr-pink);
}

/* Section 2: Concept */
.concept-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 80px;
    border-radius: var(--border-radius-lg);
    box-shadow: 10px 10px 0 var(--clr-pink); 
    border: 4px solid var(--clr-pink);
}
.concept-content .body-text { margin: 0 auto; }
.keyword-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}
.tag {
    background: var(--bg-cream);
    padding: 10px 25px;
    border-radius: 60px;
    font-weight: 800;
    font-size: 1rem;
    color: #d87085;
    border: 3px solid var(--clr-pink);
    box-shadow: 3px 3px 0 var(--clr-peach); 
}

/* Section 3: Services */
.service-card { text-align: center; }

.card-icon-wrapper {
    width: 180px;
    height: 180px; 
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    border: 4px solid white;
    box-shadow: 0 8px 0 rgba(0,0,0,0.1); 
}
.card-icon-wrapper img {
    width: 90px; 
    height: 90px; 
}
.mint-bg { background-color: var(--clr-mint); }
.pink-bg { background-color: var(--clr-pink); }
.lavender-bg { background-color: var(--clr-lavender); }
.yellow-bg { background-color: var(--clr-yellow); }
.peach-bg { background-color: var(--clr-peach); }

/* Section 4: Why Choose Us */
.two-col { display: flex; gap: 60px; }
.align-center { align-items: center; }
.col-image, .col-text { flex: 1; }
.image-frame {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    padding: 15px;
    background: white;
    box-shadow: 15px 15px 0 var(--clr-mint); 
    border: 4px solid var(--clr-mint);
}
.image-frame img { border-radius: var(--border-radius-md); }

.cute-checklist li {
    position: relative;
    padding: 12px 20px 12px 50px;
    margin-bottom: 20px;
    font-weight: 800;
    font-size: 1.1rem;
    background: white;
    border: 3px solid var(--clr-mint);
    border-radius: 20px;
    color: #4a7565; 
    box-shadow: 4px 4px 0 var(--clr-mint);
}
.cute-checklist li::before {
    content: '🌸'; 
    position: absolute;
    left: 15px;
    top: 10px;
    font-size: 1.4rem;
}

/* Section 5: Portfolio - Kawaii Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}
.portfolio-grid .portfolio-item:nth-child(4),
.portfolio-grid .portfolio-item:nth-child(5) { grid-column: span 1.5; }
.portfolio-item { padding: 25px; display: flex; flex-direction: column; text-align: center;}

.portfolio-img-wrapper {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    margin-bottom: 25px;
    border: 6px solid white;
    box-shadow: 0 10px 0 var(--clr-aqua);
}
.portfolio-img-wrapper img { transition: transform 0.6s ease; }
.portfolio-item:hover .portfolio-img-wrapper img { transform: scale(1.08); }

/* Section 6: Packages - Pink Clouds */
.pricing-grid { align-items: center; }
.pricing-card { position: relative; text-align: center; padding: 60px 40px; }

.pricing-card:nth-child(1) { border-color: var(--clr-aqua); }
.pricing-card:nth-child(1)::after { border-color: var(--clr-aqua); }
.pricing-card:nth-child(1) h3 { background: #e6f9fb; color: #4b9baf; border-color: var(--clr-aqua); box-shadow: 2px 2px 0 var(--clr-aqua); }

.pricing-card.featured {
    border: 6px solid var(--clr-mint);
    transform: scale(1.08);
    z-index: 2;
    box-shadow: 0 15px 0 var(--clr-mint);
}
.pricing-card.featured::after { border-color: var(--clr-mint); }
.pricing-card.featured h3 { background: #e8f9f2; color: #4a7565; border-color: var(--clr-mint); box-shadow: 2px 2px 0 var(--clr-mint); }

.pricing-card:nth-child(3) { border-color: var(--clr-lavender); }
.pricing-card:nth-child(3)::after { border-color: var(--clr-lavender); }
.pricing-card:nth-child(3) h3 { background: #f3f0ff; color: #7f6eb8; border-color: var(--clr-lavender); box-shadow: 2px 2px 0 var(--clr-lavender); }

.pricing-card.featured:hover { transform: scale(1.08) translateY(-10px); }
.ribbon {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--clr-yellow); 
    color: var(--text-heading);
    padding: 10px 30px;
    border-radius: 30px;
    font-weight: 800;
    font-size: 1rem;
    border: 3px solid white;
    box-shadow: 0 5px 0 rgba(0,0,0,0.1);
}
.pricing-header {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 4px dotted var(--clr-pink); 
}
.price { font-size: 2.2rem; font-weight: 800; color: var(--clr-pink); text-shadow: 2px 2px 0 var(--clr-peach);}
.pricing-desc { font-size: 1rem; margin-bottom: 30px; min-height: 55px; }
.pricing-features li { margin-bottom: 15px; font-size: 1.05rem; font-weight: 700; }

/* Section 7: Process */
.process-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
    position: relative;
}
.process-step { text-align: center; position: relative; }

.step-icon {
    width: 180px;
    height: 180px; 
    background: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    position: relative;
    border: 6px dashed var(--clr-peach); 
    box-shadow: 0 10px 0 var(--clr-peach);
}
.step-icon img {
    width: 90px;
    height: 90px; 
}
.step-num {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 45px;
    height: 45px;
    background: var(--clr-pink);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    border: 4px solid white;
}
.process-step p { font-size: 1rem; }

/* Section 8: FAQ */
.faq-container { max-width: 900px; }
.faq-list { display: flex; flex-direction: column; gap: 20px; }

.faq-item {
    background: var(--bg-white);
    border-radius: 20px;
    overflow: hidden;
    border: 4px solid var(--clr-mint);
    box-shadow: 6px 6px 0 var(--clr-mint);
}
.faq-item summary {
    padding: 25px 30px;
    font-weight: 800;
    font-size: 1.1rem;
    cursor: pointer;
    list-style: none;
    position: relative;
    color: #4a7565;
    background: #e8f9f2; 
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '＋';
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.8rem;
    color: var(--clr-mint);
    font-weight: 800;
}
.faq-item[open] summary { background-color: var(--clr-mint); color: white; }
.faq-item[open] summary::after { content: '－'; color: white;}
.faq-answer {
    padding: 20px 30px 30px;
}

/* Section: Message from the Founder */
.message-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px;
    border-color: var(--clr-mint); 
    box-shadow: 0 15px 0 rgba(168, 230, 207, 0.4);
}
.message-wrapper::after {
    border-color: var(--clr-mint); 
}
.message-content {
    display: flex;
    gap: 50px;
    align-items: flex-start;
}
.message-image {
    flex: 0 0 280px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 5px solid var(--clr-yellow);
    box-shadow: 10px 10px 0 var(--clr-yellow); 
    outline: 3px dashed white;
    outline-offset: -10px;
    background: white;
    transform: rotate(-3deg); 
    transition: var(--transition);
}
.message-image:hover {
    transform: rotate(0deg) scale(1.03); 
}
.message-image img {
    width: 100%;
    height: auto;
    display: block;
}
.message-text {
    flex: 1;
    text-align: left;
}
.message-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-main);
    font-weight: 700;
    line-height: 1.8;
}
.message-text .signature {
    margin-top: 40px;
    font-size: 1.6rem;
    color: var(--clr-pink);
    font-weight: 800;
    text-align: right;
    margin-bottom: 0;
    text-shadow: 2px 2px 0 var(--clr-peach);
}
.message-text .signature span {
    display: block;
    font-size: 1rem;
    color: var(--text-light);
    text-shadow: none;
    margin-top: 5px;
}

/* Section 9: Company */
.company-container { max-width: 900px; }
.company-table { display: flex; flex-direction: column; gap: 0; }
.company-table .row {
    display: flex;
    padding: 25px 20px;
    border-bottom: 3px dotted var(--clr-lavender); 
}
.company-table .row:last-child { border-bottom: none; }

.company-table dt { 
    width: 30%; 
    font-weight: 800; 
    color: #7f6eb8; 
    font-size: 1.1rem; 
    background: #f3f0ff;
    padding: 5px 15px;
    border-radius: 15px;
    border: 2px dashed var(--clr-lavender);
    align-self: flex-start;
}
.company-table dd { width: 70%; font-size: 1.05rem; padding-left: 15px; font-weight: 700;}

/* Section 10: Contact */
.contact-wrapper {
    display: flex;
    padding: 0;
    overflow: hidden;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    border-radius: var(--border-radius-lg);
    border: 8px solid white; 
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}
.contact-image {
    flex: 1;
    background: var(--clr-peach);
}
.contact-image img { width: 100%; height: 100%; object-fit: cover; }
.contact-form-area { flex: 1.5; padding: 60px; background: white;}
.form-group { margin-bottom: 25px; }
.form-group label { display: block; margin-bottom: 10px; font-weight: 800; font-size: 1.05rem; }
.required { color: var(--clr-pink); }

.kawaii-form input,
.kawaii-form select,
.kawaii-form textarea {
    width: 100%;
    padding: 18px;
    border: 3px solid var(--clr-pink);
    border-radius: 20px;
    background: #fff5f7; 
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-heading);
    transition: var(--transition);
}
.kawaii-form input:focus,
.kawaii-form select:focus,
.kawaii-form textarea:focus {
    outline: none;
    border-color: var(--clr-peach);
    background: white;
    box-shadow: 0 0 0 5px var(--bg-pink); 
}
.form-note { font-size: 0.95rem; color: var(--text-light); margin-bottom: 25px; font-weight: 700;}
.btn-submit {
    width: 100%;
    padding: 18px;
    font-size: 1.2rem;
    border-radius: 60px;
}

/* =========================================
   FOOTER
   ========================================= */
.site-footer {
    background: var(--bg-white);
    padding: 80px 0 40px;
    border-top: 6px dashed var(--clr-pink); 
    position: relative;
}
.footer-logo img { height: 60px; margin: 0 auto; }
.footer-tagline { font-weight: 800; color: var(--clr-pink); font-size: 1.1rem; }
.footer-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 25px; }
.footer-links a { font-weight: 800; color: var(--text-heading); }
.footer-links a:hover { color: var(--clr-pink); }
.copyright { font-size: 0.9rem; color: var(--text-light); font-weight: 700;}

/* =========================================
   RESPONSIVE DESIGN (完璧に修正済み✨)
   ========================================= */

@media (max-width: 1200px) {
    .cute-checklist { display: inline-block; text-align: left; margin: 0 auto; }
}

@media (max-width: 992px) {
    .btn { font-size: 1rem; padding: 12px 30px; }
    .grid-3 { grid-template-columns: repeat(2, 1fr); gap: 30px;}
    .main-nav ul { gap: 20px; }
    
    /* 余白を消して画像をピッタリはめる */
    .hero { padding: 0; }
    
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); gap: 30px;}
    .portfolio-grid .portfolio-item:nth-child(4),
    .portfolio-grid .portfolio-item:nth-child(5) { grid-column: auto; }
    
    .two-col { flex-direction: column; gap: 40px;}
    .col-image { order: -1; }
    
    .pricing-card.featured { transform: scale(1); }
    .pricing-card.featured:hover { transform: translateY(-5px); }
    
    .process-wrapper { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    
    .contact-wrapper { flex-direction: column; }
    .contact-image { height: 250px; }
    
    .card-icon {width: 120px; height: 120px;}
    .card-icon-wrapper {width: 150px; height: 150px;}
    .card-icon-wrapper img {width: 75px; height: 75px;}
    .step-icon {width: 150px; height: 150px;}
    .step-icon img {width: 75px; height: 75px;}

    /* 代表挨拶のスマホ用縦積みレイアウト */
    .message-content {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    .message-image {
        flex: none;
        width: 80%;
        max-width: 280px;
    }
    .message-text {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-cta { display: none; }
    
    /* スマホメニューの開閉ギミック */
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        padding: 30px 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        border-bottom: 5px dotted var(--clr-pink);
    }
    .main-nav.is-open {
        display: block; 
    }
    .main-nav ul {
        flex-direction: column;
        gap: 20px;
    }

    .mobile-menu-icon { display: flex; }
    
    .section { padding: 80px 0; }
    .section-title { font-size: 2rem; }
    .mt-4 { margin-top: 3rem; }
    
    .grid-3, .portfolio-grid, .process-wrapper { grid-template-columns: 1fr; gap: 30px; }
    
    .concept-content { padding: 40px 25px; }
    
    .company-table .row { flex-direction: column; gap: 8px; padding: 15px;}
    .company-table dt { width: 100%; align-self: stretch;}
    .company-table dd { width: 100%; padding-left: 0; margin-top: 5px;}
    
    .contact-form-area { padding: 40px 20px; }
    .site-footer { padding: 60px 0 30px; }
    
    /* スマホ版ヒーロー画像を画面幅ピッタリにする設定 */
    .hero-image {
        width: 100vw;
        max-height: none; 
        height: auto;
        object-fit: cover;
    }
}

/* =========================================
   BACK TO TOP BUTTON
   ========================================= */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 100;
    display: block; /* 初期表示はJavaScriptで制御 */
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--clr-pink), var(--clr-peach));
    color: white;
    text-align: center;
    line-height: 44px; /* ボーダー分を調整 */
    font-size: 24px;
    font-weight: 800;
    border-radius: 50%;
    border: 3px solid white;
    transition: var(--transition);
    box-shadow: 0 4px 0px rgba(247, 168, 184, 0.6);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
}

.back-to-top:hover {
    transform: translateY(2px);
    box-shadow: 0 2px 0px rgba(247, 168, 184, 0.6);
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
}