:root {
    --primary: #3f4ea1;
    --primary-light: #5868c7;
    --accent: #eef0ff;
    --bg: #f8f9ff;
    --text: #1f2937;
    --muted: #64748b;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    font-size: 10px;
}

h1 {
    font-size: 3.2rem;
}

h2 {
    font-size: 2.8rem;
}

h3 {
    font-size: 2.4rem;
}

h4 {
    font-size: 2rem;
}

h5 {
    font-size: 1.8rem;
}

p,
ul,
li,
div,
button {
    font-size: 1.4rem;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

.flex {
    display: flex;
}

section {
    padding: 100px 0;
}

h1,
h2,
h3,
h4 {
    color: var(--primary);
}


/************** 
h2タイトルの「/」
 **************/

.container h2 {
    position: relative;
    display: inline-block;
    padding: 0 45px;
}

.container h2:before,
.container h2:after {
    content: '';
    position: absolute;
    top: 50%;
    display: inline-block;
    width: 44px;
    height: 2px;
    background-color: var(--primary-light);
    -webkit-transform: rotate(-60deg);
    transform: rotate(-60deg);
}

.container h2:before {
    left: 0;
}

.container h2:after {
    right: 0;
}

.container .ttl {
    text-align: center;
    margin-bottom: 50px;
}


/************** 
header
 **************/

.top-header {
    position: fixed;
    top: 0;
    width: 100%;

    background: rgba(255, 255, 255, .85);

    backdrop-filter: blur(16px);

    border-bottom: 1px solid rgba(63, 78, 161, .08);

    z-index: 1000;
}

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

nav {
    display: flex;
    gap: 20px;
    align-items: center;
}

nav {
    display: flex;
    gap:24px;
    align-items: center;
}

nav a,
.nav-btn {
    position: relative;
    display: inline-block;

    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: .08em;

    text-decoration: none;

    color: var(--primary);

    background: none;
    border: none;

    cursor: pointer;

    transition: .3s ease;
}

nav a::after,
.nav-btn::after {
    content: "";

    position: absolute;

    left: 0;
    bottom: -8px;

    width: 100%;
    height: 2px;

    background: var(--primary);

    transform: scaleX(0);
    transform-origin: center;

    transition: transform .4s ease;
}

nav a:hover::after,
.nav-btn:hover::after {
    transform: scaleX(1);
}

nav a,
.nav-btn {
    opacity: .85;
}

nav a:hover,
.nav-btn:hover {
    opacity: 1;
}

.hamburger,
.header-contact{
    display:none;
}

/************** 
メインsec
 **************/

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background:
        radial-gradient(circle at top right, rgba(88, 104, 199, .12), transparent 40%),
        linear-gradient(-45deg, #fff, #eef0ff, #f8f9ff);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 70px;
    align-items: center;
}

.hero-badge-wrap {
    display: flex;
    gap: 12px;
    margin-bottom: 25px;
}

.hero-badge {
    background: var(--accent);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: .9rem;
    font-weight: 600;
}

.hero-title {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.hero-title .line {
    display: block;
    opacity: 0;
    transform: translateX(-60px);
    animation: slideFadeIn 1s ease forwards;
}

.hero-title .line1 {
    animation-delay: .3s;
}

.hero-title .line2 {
    animation-delay: .8s;
    color: var(--primary-light);
    text-align: right;

    padding-top: .5rem;
    padding-right: 3rem;
}


@keyframes slideFadeIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.25;
    margin-bottom: 25px;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--muted);
    margin-bottom: 25px;
}

.hero-sub .btns {
    text-align: right;
}

.hero-points {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 35px;
    font-weight: 600;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
}

.hero-flow{

    position:relative;

    display:flex;
    justify-content:center;
    align-items:center;

    gap:10px;

    width:100%;
}

.flow-card {
    background: white;
    padding: 30px;
    border-radius: 24px;
    width: 220px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, .08);
}

.flow-card h3 {
    margin-bottom: 15px;
    text-align: center;
}

.flow-card ul {
    list-style: none;
}

.flow-card li {
    margin-bottom: 12px;
}

.flow-close {
    position: relative;
    left: 100%;
    cursor: pointer;
}

.before {
    opacity: .75;
}

.after {
    border: 2px solid var(--primary);
}

.hero-bg-mock {
    position: absolute;
    width: 140%;
    max-width: none;
    opacity: .10;
    filter: blur(2px);
    transform: scale(1.08);
    z-index: 0;
    pointer-events: none;
    border-radius: 50px;
}

.flow-arrow {
    font-size: 2.5rem;
    color: var(--primary);
    font-weight: bold;
}

.result-card {
    position: absolute;
    bottom: -65px;
    right: 190px;
    background: var(--primary);
    color: white;
    padding: 20px 28px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(63, 78, 161, .25);
}

.result-card strong {
    display: block;
    font-size: 1.4rem;
    margin-top: 8px;
}

.hero-flow-btn {
    position: absolute;
    bottom: -110px;
    right: 0;
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 14px 26px;
    border-radius: 16px;
    cursor: pointer;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(0, 0, 0, .08);
    transition: .3s;
    z-index: 3;
}

.hero-flow-btn:hover {
    background: var(--primary);
    color: white;
}


.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 14px;
    text-decoration: none;
    transition: .3s;
    margin-right: 10px;
}

.primary {
    background: var(--primary);
    color: white;
    margin-top: 20px;
}

.primary:hover {
    transform: translateY(-4px);
}

.secondary {
    border: 2px solid var(--primary);
    color: var(--primary);
}

/************** 
problems sec
 **************/

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

.accordion-header {
    width: 100%;
    border: none;
    background: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: var(--primary);

    padding: 22px 24px;

    font-size: 1.45rem;

    font-weight: 600;

    letter-spacing: .03em;
}

.accordion-item {
    background: white;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, .05);
    overflow: hidden;
    transition: .4s;
}

.accordion-item.active {

    transform: translateY(-4px);

    box-shadow:
        0 20px 40px rgba(63, 78, 161, .12);
}

.accordion-item.active {

    transform: translateY(-2px);

    box-shadow:
        0 10px 25px rgba(63, 78, 161, .08);
}

.accordion-header {

    padding: 22px 24px;

    font-size: 1.45rem;

    font-weight: 600;

    letter-spacing: .03em;
}

.accordion-header:hover {
    background: var(--accent);
}

.icon {

    font-size: 1.8rem;

    font-weight: 300;

    color: var(--primary-light);
}

.accordion-item.active .icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height .45s ease;
    padding: 0 28px;
    transition: .5s;
}

.accordion-item.active .accordion-content {
    transition: .5s;
    margin: 20px 0;
}

.accordion-content p {
    margin: 8px 0 14px;
}

.accordion-content ul {
    padding-left: 20px;
    margin-bottom: 25px;
}

.accordion-item.active .accordion-content {
    max-height: 350px;
}

.problem-label {
    display: inline-block;

    padding: 4px 10px;

    font-size: 1.1rem;
    font-weight: 600;

    border-radius: 20px;

    background: rgba(63, 78, 161, .08);
    color: var(--primary);

    margin-bottom: 12px;
}

.problem-text {

    font-size: 1.3rem;
    line-height: 1.9;

    color: #4b5563;

    margin-bottom: 18px;
}

.solution-box {

    margin-bottom: 16px;

    padding-left: 14px;

    border-left: 3px solid var(--primary);

    background: none;
}

.solution-box strong {

    display: block;

    margin-bottom: 6px;

    color: var(--primary);

    font-size: 1.2rem;

    font-weight: 700;
}

.effect-box {

    padding-top: 14px;

    border-top: 1px solid rgba(63, 78, 161, .15);

    color: #475569;

    font-size: 1.2rem;

    line-height: 1.9;
}


.cases {
    background: white;
}

.cases-sub {
    text-align: center;
    color: var(--muted);
    margin-top: 15px;
    margin-bottom: 50px;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.case-card {
    background: var(--bg);
    padding: 35px;
    border-radius: 24px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, .05);
    transition: .35s;
    position: relative;
    overflow: hidden;
}

.case-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px rgba(63, 78, 161, .10);
}

.case-card h3 {
    margin-bottom: 24px;
    font-size: 1.35rem;
}

.case-card ul {
    list-style: none;
}

.case-card li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, .06);
}

.case-card li:last-child {
    border-bottom: none;
}

.case-card li::before {
    content: "✓ ";
    color: var(--primary);
    font-weight: bold;
}

.cases-note {
    margin-top: 55px;
    text-align: center;
    background: var(--accent);
    padding: 28px;
    border-radius: 20px;
}

@media(max-width:900px) {
    .cases-grid {
        grid-template-columns: 1fr;
    }
}


/************** 
works sec
 **************/

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, .06);
    transition: .4s;
}

.card:hover {
    transform: translateY(-10px);
}

.card img {
    width: 100%;
    border-radius: 14px;
    margin-bottom: 20px;
}

.interactive-card span {
    color: var(--primary);
    font-weight: bold;
    display: inline-block;
    margin-top: 20px;
}

.contact {
    text-align: center;
}

footer {
    text-align: center;
    padding: 40px;
    color: var(--muted);
}

.fade {
    opacity: 0;
    transform: translateY(30px);
    transition: 1s;
}

.fade.show {
    opacity: 1;
    transform: translateY(0);
}

.modal {
    display: flex;

    position: fixed;
    inset: 0;

    justify-content: center;
    align-items: center;

    background: rgba(0, 0, 0, .55);

    opacity: 0;
    visibility: hidden;

    transition:
        opacity .4s ease,
        visibility .4s ease;

    z-index: 9999;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {

    background: white;

    width: 90%;
    max-width: 800px;

    padding: 50px;

    border-radius: 24px;

    transform:
        translateY(30px) scale(.96);

    opacity: 0;

    transition:
        transform .55s cubic-bezier(.22, 1, .36, 1),
        opacity .55s ease;
}

.modal.show .modal-content {

    transform:
        translateY(0) scale(1);

    opacity: 1;
}

.modal-content h2 {
    padding-bottom: 20px;
    text-align: center;
}

.modal-content h3 {
    padding-bottom: 10px;
    text-align: center;
}

.modal-content .container {
    padding: 20px 0;
    text-align: center;
}

.modal-content .step-arrow {
    text-align: center;
}

.modal-content .step-content {
    text-align: center;
}

.modal-content .flow-step p {
    display: inline-block;
}

.step-content p {
    position: relative;
    display: inline-block;

    padding-bottom: 10px;

    opacity: 0;
    transform: translateY(20px);

    transition:
        opacity .8s ease,
        transform .8s ease;
}

/* 下線 */
.step-content p::after {
    content: "";
    position: absolute;

    left: 50%;
    bottom: 0;

    width: calc(100% + 80px);
    height: 2px;

    background: linear-gradient(90deg,
            transparent,
            var(--primary),
            transparent);

    transform: translateX(-50%) scaleX(0);
    transform-origin: center;

    transition: transform 1.2s ease;
}

/* 文字表示 */
.step-content p.show {
    opacity: 1;
    transform: translateY(0);
}

/* 下線表示 */
.step-content p.show::after {
    transform: translateX(-50%) scaleX(1);
}

.timeline {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 30px 0;
}

.timeline-item {
    background: var(--accent);
    padding: 5px 12px;
    border-radius: 30px;
}

.close {
    float: right;
    font-size: 2rem;
    cursor: pointer;
}

/*********************************
Contact Page
*********************************/

.contact-page{
    padding:120px 0;
    background:#f7f9fc;
}

.contact-heading{
    text-align:center;
    margin-bottom:50px;
}

.contact-heading h1{
    font-size:3rem;
    font-weight:700;
    color:var(--primary);
    margin-bottom:20px;
}

.contact-heading p{
    color:#666;
    line-height:2;
}

.contact-intro{
    text-align:center;
    margin-bottom:50px;
}

.contact-intro h2{
    font-size:1.8rem;
    margin-bottom:15px;
    color:#222;
}

.contact-intro p{
    color:#666;
    line-height:1.9;
}

/*********************************
Notice
*********************************/

.contact-note{

    max-width:800px;
    margin:0 auto 40px;

    padding:30px;

    background:#fff;

    border-radius:20px;

    border-left:5px solid var(--primary);

    box-shadow:
        0 10px 30px rgba(0,0,0,.05);
}

.contact-note h3{
    margin-bottom:15px;
    color:var(--primary);
}

.contact-note ul{
    margin:0;
    padding-left:20px;
}

.contact-note li{
    margin-bottom:8px;
    color:#555;
    line-height:1.8;
}

/*********************************
Form Card
*********************************/

.cf7-form{

    max-width:800px;
    margin:auto;

    background:#fff;

    padding:50px;

    border-radius:24px;

    box-shadow:
        0 20px 60px rgba(0,0,0,.06);

    border:1px solid rgba(0,0,0,.05);
}

.cf7-form p{
    margin:0 0 28px;
}

.cf7-form label{

    display:block;

    font-weight:600;

    color:#222;

    margin-bottom:10px;
}

.cf7-form .wpcf7-form-control-wrap{
    display:block;
    margin-top:8px;
}

.cf7-form .form-group {
	margin: 20px 0
}

/*********************************
Required
*********************************/

.required{

    display:inline-block;

    margin-left:8px;

    padding:2px 8px;

    border-radius:999px;

    background:#e5484d;

    color:#fff;

    font-size:.75rem;

    font-weight:500;
}

/*********************************
Input
*********************************/

.cf7-form input[type="text"],
.cf7-form input[type="email"],
.cf7-form textarea{

    width:100%;

    padding:16px 18px;

    background:#fafbfc;

    border:1px solid #d9dfe8;

    border-radius:14px;

    font-size:1rem;

    transition:.3s;
}

.cf7-form textarea{

    min-height:180px;

    resize:vertical;
}

.cf7-form input[type="text"]:focus,
.cf7-form input[type="email"]:focus,
.cf7-form textarea:focus{

    outline:none;

    background:#fff;

    border-color:var(--primary);

    box-shadow:
        0 0 0 4px rgba(63,78,161,.12);
}

/*********************************
Checkbox
*********************************/

.cf7-form .wpcf7-list-item{

    display:block;

    margin:10px 0;
}

.cf7-form .wpcf7-list-item label{

    display:flex;

    align-items:center;

    gap:12px;

    padding:14px 18px;

    background:#fafbfc;

    border:1px solid #dfe5ef;

    border-radius:14px;

    cursor:pointer;

    transition:.3s;

    font-weight:400;
}

.cf7-form .wpcf7-list-item label:hover{

    background:#f4f7ff;

    border-color:var(--primary);
}

.cf7-form input[type="checkbox"]{

    width:18px;

    height:18px;

    accent-color:var(--primary);
}

/*********************************
Submit
*********************************/

.form-submit{
    text-align:center;
}

.cf7-form input[type="submit"]{

    border:none;

    cursor:pointer;

    padding:16px 48px;

    border-radius:999px;

    background:var(--primary);

    color:#fff;

    font-size:1rem;

    font-weight:600;

    transition:.3s;

    box-shadow:
        0 12px 25px rgba(63,78,161,.25);
}

.cf7-form input[type="submit"]:hover{

    transform:translateY(-3px);

    box-shadow:
        0 18px 35px rgba(63,78,161,.35);
}

/*********************************
Contact Form 7 Message
*********************************/

.wpcf7-response-output{

    margin-top:30px !important;

    padding:15px !important;

    border:none !important;

    border-radius:14px;

    background:#eef4ff;

    color:#222;
}

.wpcf7-not-valid-tip{

    margin-top:8px;

    font-size:.9rem;

    color:#e5484d;
}

/*********************************
Placeholder
*********************************/

.cf7-form ::placeholder{
    color:#a0a7b4;
}