@charset "UTF-8";

/* ===================================
   Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    background: #ffffff;
    color: #1f2937;
    line-height: 1.6;
    overflow-x: hidden;
}
/* ========================================
   Background Layer (Fixed Background)
   ======================================== */
.background-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: url('../img/background.png');
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    background-color: #f8f9fa;
    z-index: -10;
    pointer-events: none;
}
@media (max-width: 767px) {
    .background-layer {
        background-image: url('../img/background_sp.png');

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

button {
    font-family: 'Noto Sans JP', sans-serif;
    border: none;
    outline: none;
    cursor: pointer;
}

a {
    text-decoration: none;
    color: inherit;
}

.skip-link {
    position: absolute;
    top: -9999px;
    left: -9999px;
    z-index: 9999;
    background: #fff;
    color: #000;
    padding: 16px;
    border-radius: 4px;
}

.skip-link:focus {
    top: 16px;
    left: 16px;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

/* ===================================
   Hero Section with Background
   =================================== */
.hero-section {
    position: relative;
    min-height: 814px;
    height: auto;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding-top: 64px;
    background-image: url('../img/fv-background-image.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

@media (min-width: 1024px) {
    .hero-section {
        min-height: 814px;
        height: 814px;
    }
}
@media (max-width: 767px) {
    .hero-section {
        background-image: url('../img/fv-background-image_sp.png');

    }
}
/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(166, 20, 105, 0.95);
    backdrop-filter: blur(4px);
    border-bottom: 1px solid #A61469;
    transition: all 0.3s ease;
}

.header-container {
    max-width: 1152px;
    margin: 0 auto;
    padding: 16px 32px;
}

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

/* Logo */
.logo-link {
    display: flex;
    align-items: center;
    transition: opacity 0.3s ease;
}

.logo-link:hover {
    opacity: 0.8;
}

.logo-white {
    height: 32px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: all 0.3s ease;
}

/* Header Right */
.header-right {
    display: flex;
    align-items: center;
}

/* PC Navigation */
.nav-pc {
    display: none;
    align-items: center;
    gap: 32px;
    margin-right: 32px;
}

@media (min-width: 1024px) {
    .nav-pc {
        display: flex;
    }
}

.nav-link {
    background: none;
    color: white;
    padding: 8px 0;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #ffc0cb;
}

/* PC CTA Buttons */
.cta-buttons-pc {
    display: none;
    align-items: center;
    gap: 16px;
}

@media (min-width: 1024px) {
    .cta-buttons-pc {
        display: flex;
    }
}

.btn-contact {
    background: white;
    color: #A61469;
    padding: 8px 24px;
    border-radius: 9999px;
    transition: all 0.3s ease;
}

.btn-contact:hover {
    background: #f3f4f6;
    transform: scale(1.05);
}

.btn-contact:active {
    transform: scale(0.95);
}

.btn-download {
    background: #12767F;
    color: white;
    padding: 8px 24px;
    border-radius: 9999px;
    transition: all 0.3s ease;
}

.btn-download:hover {
    background: #0F5A61;
    transform: scale(1.05);
}

.btn-download:active {
    transform: scale(0.95);
}

/* Hamburger Menu Button */
.hamburger-btn {
    display: block;
    padding: 8px;
    background: none;
    color: white;
    font-size: 24px;
    transition: color 0.3s ease;
}

@media (min-width: 1024px) {
    .hamburger-btn {
        display: none;
    }
}

.hamburger-btn:hover {
    color: #ffc0cb;
}

/* SP Menu */
.menu-sp {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #A61469;
    border-top: 1px solid #8A1056;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    z-index: 50;
}

@media (min-width: 1024px) {
    .menu-sp {
        display: none !important;
    }
}

.menu-sp-content {
    max-width: 1152px;
    margin: 0 auto;
    padding: 16px 32px;
}

.nav-sp {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.nav-link-sp {
    background: none;
    color: white;
    padding: 8px 0;
    text-align: left;
    transition: color 0.3s ease;
}

.nav-link-sp:hover {
    color: #ffc0cb;
}

.cta-buttons-sp {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid #8A1056;
}

.btn-contact-sp,
.btn-download-sp {
    width: 100%;
    padding: 12px 24px;
    border-radius: 9999px;
    text-align: center;
    transition: all 0.3s ease;
}

.btn-contact-sp {
    background: white;
    color: #A61469;
}

.btn-contact-sp:hover {
    background: #f3f4f6;
    transform: scale(1.05);
}

.btn-contact-sp:active {
    transform: scale(0.95);
}

.btn-download-sp {
    background: #12767F;
    color: white;
}

.btn-download-sp:hover {
    background: #0F5A61;
    transform: scale(1.05);
}

.btn-download-sp:active {
    transform: scale(0.95);
}

/* ===================================
   Hero Content
   =================================== */
.hero-content {
    flex: 1;
    min-height: 798px;
    display: flex;
    align-items: center;
    padding: 64px 32px;
    position: relative;
    z-index: 10;
}

@media (min-width: 1024px) {
    .hero-content {
        min-height: 626px;
        height: 626px;
    }
}

.hero-container {
    max-width: 1152px;
    margin: 0 auto;
    width: 100%;
}

.hero-grid {
    display: block;
}

@media (min-width: 1024px) {
    .hero-grid {
        display: grid;
        grid-template-columns: repeat(7, 1fr);
        gap: 64px;
        align-items: center;
    }
}

/* Hero Text */
.hero-text {
    text-align: center;
    margin-bottom: 32px;
}

@media (min-width: 1024px) {
    .hero-text {
        grid-column: span 4 / span 4;
        text-align: left;
        margin-bottom: 0;
    }
}

.hero-title {
    font-size: 2.25rem;
    font-weight: bold;
    margin-bottom: 24px;
    color: #111827;
    line-height: 1.2;
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 32px;
    color: #1f2937;
    line-height: 1.4;
}

@media (min-width: 1024px) {
    .hero-subtitle {
        font-size: 1.875rem;
    }
}

.hero-subtitle-sp {
    display: inline;
}

.hero-subtitle-pc {
    display: none;
}

@media (min-width: 1024px) {
    .hero-subtitle-sp {
        display: none;
    }
    
    .hero-subtitle-pc {
        display: inline;
    }
}

.hero-description {
    font-size: 1rem;
    margin-bottom: 32px;
    color: #374151;
    line-height: 1.6;
}

@media (min-width: 1024px) {
    .hero-description {
        font-size: 1.125rem;
        margin-bottom: 48px;
    }
}

.hero-note {
    font-size: 0.75rem;
    color: #4b5563;
    margin-bottom: 32px;
}

@media (min-width: 1024px) {
    .hero-note {
        font-size: 0.875rem;
        margin-bottom: 48px;
    }
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
    order: 2;
}

@media (min-width: 1024px) {
    .hero-image {
        grid-column: span 3 / span 3;
        justify-content: flex-end;
        margin-bottom: 0;
        order: unset;
    }
}

.hero-image-sp {
    display: block;
    position: relative;
    padding: 0 32px;
    margin: 0 16px;
}

.hero-image-pc {
    display: none;
}

@media (min-width: 1024px) {
    .hero-image-sp {
        display: none;
    }
    
    .hero-image-pc {
        display: block;
        position: relative;
        transform: scale(1.5);
        transform-origin: center right;
    }
}

.hero-img {
    width: 100%;
    height: auto;
    max-width: 384px;
    margin: 0 auto;
}

.hero-img-pc {
    width: 100%;
    height: auto;
    max-height: 800px;
    transform: translate(50px, 70px);
}

/* Hero CTA */
.hero-cta {
    order: 3;
}

@media (min-width: 1024px) {
    .hero-cta {
        grid-column: span 4 / span 4;
        order: unset;
    }
}

.hero-cta-sp {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
}

.hero-cta-pc {
    display: none;
}

@media (min-width: 1024px) {
    .hero-cta-sp {
        display: none;
    }
    
    .hero-cta-pc {
        display: flex;
        gap: 16px;
    }
}

.btn-hero-contact,
.btn-hero-download {
    width: 100%;
    border-radius: 9999px;
    font-weight: bold;
    font-family: 'Noto Sans JP', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.3s ease;
}

.btn-hero-contact {
    height: 48px;
    font-size: 15px;
    line-height: 22px;
    letter-spacing: 0.68px;
    background: #A61469;
    color: white;
}

.btn-hero-contact:hover {
    background: #8A1256;
    transform: scale(1.05);
}

.btn-hero-contact:active {
    transform: scale(0.95);
}

.btn-hero-download {
    height: 46px;
    font-size: 15px;
    line-height: 22px;
    letter-spacing: 0.5px;
    background: #12767F;
    color: white;
    border: 2px solid #12767F;
    box-shadow: 0 4px 4px rgba(0, 0, 0, 0.25);
}

.btn-hero-download:hover {
    background: #0F5A61;
    transform: scale(1.05);
}

.btn-hero-download:active {
    transform: scale(0.95);
}

.btn-hero-contact-pc,
.btn-hero-download-pc {
    border-radius: 9999px;
    font-weight: bold;
    font-family: 'Noto Sans JP', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.3s ease;
}

.btn-hero-contact-pc {
    width: 190px;
    height: 65px;
    font-size: 21.71px;
    line-height: 32.57px;
    letter-spacing: 0.68px;
    background: #A61469;
    color: white;
}

.btn-hero-contact-pc:hover {
    background: #8A1256;
    transform: scale(1.05);
}

.btn-hero-contact-pc:active {
    transform: scale(0.95);
}

.btn-hero-download-pc {
    width: 260px;
    height: 65px;
    font-size: 20px;
    line-height: 28px;
    letter-spacing: 0.5px;
    background: #12767F;
    color: white;
    border: 2px solid #12767F;
    box-shadow: 0 4px 4px rgba(0, 0, 0, 0.25);
}

.btn-hero-download-pc:hover {
    background: #0F5A61;
    transform: scale(1.05);
}

.btn-hero-download-pc:active {
    transform: scale(0.95);
}

/* ===================================
   Section Container
   =================================== */
.section-container {
    max-width: 1152px;
    margin: 0 auto;
    padding: 0 24px;
}

.effects-container {
    max-width: 896px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===================================
   Section Title & Decoration
   =================================== */
.section-title {
    font-size: 1.875rem;
    font-weight: bold;
    margin-bottom: 16px;
    color: #111827;
}

.title-decoration {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 32px;
}

.decoration-svg {
    max-width: 100%;
    height: auto;
}

.section-description {
    font-size: 1.125rem;
    margin-bottom: 48px;
    color: #4b5563;
    max-width: 1024px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

@media (min-width: 1024px) {
    .section-description {
        font-size: 1.25rem;
    }
}

.desc-sp {
    display: inline;
}

.desc-pc {
    display: none;
}

@media (min-width: 1024px) {
    .desc-sp {
        display: none;
    }
    
    .desc-pc {
        display: inline;
    }
}

/* ===================================
   Problems Section
   =================================== */
.problems-section {
    padding: 64px 24px;
}

.problems-images {
    max-width: 1152px;
    margin: 0 auto;
}

.problems-image-pc {
    display: none;
}

.problems-image-sp {
    display: block;
}

@media (min-width: 768px) {
    .problems-image-pc {
        display: block;
    }
    
    .problems-image-sp {
        display: none;
    }
}

.problems-img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* ===================================
   Solution Section
   =================================== */
.solution-section {
    padding: 64px 24px;
}

.solution-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 1024px;
    margin: 0 auto;
}

.solution-text {
    font-size: 1.5rem;
    color: #374151;
    line-height: 1.6;
}

/* ===================================
   Features Section
   =================================== */
.features-section {
    padding: 64px 24px;
}

/* PC/TB Version */
.features-pc {
    display: none;
}

@media (min-width: 1024px) {
    .features-pc {
        display: block;
    }
}

.feature-item {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 64px;
    align-items: center;
    margin-bottom: 80px;
}

.feature-item:last-child {
    margin-bottom: 0;
}

.feature-image-left,
.feature-image-right {
    width: 100%;
}

.feature-text-left,
.feature-text-right {
    width: 100%;
}

.feature-image-right .iso-b{
    max-width: 60%;
    margin:0 auto;
}
.feature-img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* SP Version */
.features-sp {
    display: block;
}

@media (min-width: 1024px) {
    .features-sp {
        display: none;
    }
}

.feature-item-sp {
    margin-bottom: 64px;
}

.feature-item-sp:last-child {
    margin-bottom: 0;
}

.feature-text-sp {
    margin-bottom: 32px;
}

.feature-image-sp {
    width: 100%;
}
.feature-image-sp .iso-b{
    width:60%;
    margin:0 auto;
}

/* Feature Header & Content */
.feature-header {
    display: flex;
    align-items: center;
    margin-bottom: 24px;
}

.feature-number {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    background: #A61469;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
    font-size: 1.125rem;
    font-weight: bold;
    flex-shrink: 0;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: #111827;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 12px;
    color: #4b5563;
}

.feature-list-item:last-child {
    margin-bottom: 0;
}

.bullet {
    color: #12767F;
    margin-right: 8px;
    flex-shrink: 0;
}

/* ===================================
   Effects Section
   =================================== */
.effects-section {
    padding: 64px 24px;
}

.merit-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    max-width: 1152px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .merit-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.merit-card {
    background: white;
    border-radius: 8px;
    padding: 32px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 10px 30px rgba(166, 20, 105, 0.25);
}

.merit-icon {
    margin-bottom: 24px;
}

.merit-icon-circle {
    width: 64px;
    height: 64px;
    background: #fce7f3;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-img {
    width: 32px;
    height: 32px;
    filter: invert(21%) sepia(91%) saturate(2449%) hue-rotate(305deg) brightness(78%) contrast(89%);
}

.merit-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.merit-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: #111827;
}

.merit-text {
    color: #374151;
    line-height: 1.6;
}

/* ===================================
   Final CTA Section
   =================================== */
.final-cta-section {
    padding: 96px 32px;
    background: #A61469;
    color: white;
    text-align: center;
}

.final-cta-title {
    font-size: 1.875rem;
    font-weight: bold;
    margin-bottom: 32px;
}

.cta-title-sp {
    display: inline;
}

.cta-title-pc {
    display: none;
}

@media (min-width: 1024px) {
    .cta-title-sp {
        display: none;
    }
    
    .cta-title-pc {
        display: inline;
    }
}

.final-cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    justify-content: center;
    align-items: center;
    margin-top: 40px;
}

@media (min-width: 640px) {
    .final-cta-buttons {
        flex-direction: row;
    }
}

.btn-final-contact,
.btn-final-download {
    max-width: 320px;
    min-width: 280px;
    width: 100%;
    height: 56px;
    font-size: 18px;
    line-height: 28px;
    letter-spacing: 0.5px;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: bold;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 4px 4px rgba(0, 0, 0, 0.25);
    transition: all 0.3s ease;
}

@media (min-width: 640px) {
    .btn-final-contact,
    .btn-final-download {
        width: auto;
    }
}

.btn-final-contact {
    background: white;
    color: #A61469;
}

.btn-final-contact:hover {
    background: #f3f4f6;
    transform: scale(1.05);
}

.btn-final-contact:active {
    transform: scale(0.95);
}

.btn-final-download {
    background: #12767F;
    color: white;
}

.btn-final-download:hover {
    background: #0F5A61;
    transform: scale(1.05);
}

.btn-final-download:active {
    transform: scale(0.95);
}

/* ===================================
   Spacer
   =================================== */
.spacer {
    padding: 32px 0;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: #A61469;
    padding: 24px 16px;
}

.footer-container {
    width: 100%;
}

/* PC/Tablet Version */
.footer-pc {
    display: none;
}

@media (min-width: 768px) {
    .footer-pc {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
    }
}

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

.footer-logo-img {
    height: 28px;
    width: auto;
    object-fit: contain;
}

@media (min-width: 768px) {
    .footer-logo-img {
        height: 28px;
    }
}

.footer-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex-grow: 1;
    justify-content: center;
    overflow: hidden;
}

@media (min-width: 768px) {
    .footer-center {
        gap: 16px;
        padding-right: 200px;

    }
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

@media (min-width: 768px) {
    .footer-links {
        gap: 16px;
    }
}

.footer-link {
    color: white;
    font-size: 10px;
    white-space: nowrap;
    transition: color 0.3s ease;
}

@media (min-width: 768px) {
    .footer-link {
        font-size: 12px;
    }
}

.footer-link:hover {
    color: #ffc0cb;
}

.footer-separator {
    color: white;
    font-size: 10px;
}

@media (min-width: 768px) {
    .footer-separator {
        font-size: 12px;
    }
}

.footer-separator-small {
    margin: 0 4px;
}

@media (min-width: 768px) {
    .footer-separator-small {
        margin: 0 8px;
    }
}

.footer-copyright {
    font-size: 9px;
    color: white;
    white-space: nowrap;
}

@media (min-width: 768px) {
    .footer-copyright {
        font-size: 11px;
    }
}

.footer-trademark-pc {
    display: none;
    font-size: 12px;
    color: white;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-trademark-pc {
        display: block;
    }
}

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

.iso-logo-img {
    height: 56px;
    width: auto;
    object-fit: contain;
}

@media (min-width: 768px) {
    .iso-logo-img {
        height: 72px;
    }
}

@media (min-width: 1024px) {
    .iso-logo-img {
        height: 88px;
    }
}

/* SP Version */
.footer-sp {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

@media (min-width: 768px) {
    .footer-sp {
        display: none;
    }
}

.footer-logo-sp {
    display: flex;
    justify-content: center;
}

.footer-logo-img-sp {
    height: 20px;
    width: auto;
    object-fit: contain;
}

.footer-links-sp {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.footer-link-sp {
    color: white;
    font-size: 12px;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.footer-link-sp:hover {
    color: #ffc0cb;
}

.footer-trademark-sp {
    font-size: 10px;
    color: white;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-trademark-sp {
        font-size: 12px;
    }
}

.footer-copyright-sp {
    font-size: 9px;
    color: white;
    text-align: center;
}

.footer-iso-sp {
    display: flex;
    justify-content: center;
}

.iso-logo-img-sp {
    height: 56px;
    width: auto;
    object-fit: contain;
}

/* ===================================
   Responsive Adjustments
   =================================== */

/* iPhone SE (320px) and smaller */
@media (max-width: 375px) {
    .hero-title {
        font-size: 1.875rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .feature-title {
        font-size: 1.25rem;
    }
    
    .merit-title {
        font-size: 1.125rem;
    }
    
    .final-cta-title {
        font-size: 1.5rem;
    }
}

/* iPhone 16 Pro Max (440px) and larger smartphones */
@media (min-width: 440px) and (max-width: 767px) {
    .hero-content {
        padding: 48px 24px;
    }
    
    .hero-cta-sp {
        max-width: 320px;
    }
}

/* Tablet adjustments */
@media (min-width: 768px) and (max-width: 1023px) {
    .section-container {
        padding: 0 48px;
    }
    
    .hero-content {
        padding: 64px 48px;
    }
}

/* Large desktop */
@media (min-width: 1280px) {
    .section-container {
        max-width: 1280px;
    }
}