@charset "UTF-8";

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

/* ALL */
body {
    font-size: 18px;
    font-family: "ZenKakuGothicNew",sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    line-height: 1.5;
    counter-reset: number;
    overflow-x: hidden;
}

.container {
    max-width: 1920px;
    margin: 0 auto;
}

.wrapper {
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

section {
    margin: 2rem auto;
}

/* header */
header {
    background: linear-gradient(180deg, #b0e6ff, rgba(176, 230, 255, 0.4));
    padding: 0 20px;
}

.flexbox1 {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 img {
    width: 200px;
}

/* nav */
ul.nav {
    margin: 0 20px;
    padding: 0;
}

ul.nav li {
    width: 130px;
    display: inline-block;
    list-style-type: none;
    position: relative;
}

ul.nav a {
    background-color: rgba(0, 0, 0, 0);
    color: rgba(0, 46, 81, 1);
    line-height: 40px;
    text-align: center;
    text-decoration: none;
    font-weight: bold;
    display: block;
}

ul.nav a:hover {
    color: rgba(14, 77, 196, 0.9);
}

ul.nav ul {
    display: none;
    position: absolute;
    margin: 0;
    padding: 0;
    z-index: 100;
}

ul.nav li:hover ul {
    display: block;
}

ul.nav ul li {
    width: 200px;
    border-top: 1px solid #FFFFFF;
}

ul.nav ul li a {
    line-height: 35px;
    text-align: center;
    font-weight: normal;
    background-color: rgba(0, 46, 81, 0.6);
    color: #FFFFFF;
    padding: 10px 8px;
}

ul.nav ul li a:hover {
    background-color: rgba(247, 247, 248, 0.8);
    color: rgba(0, 46, 81, 1);
}

.hamburger-fade {
    display: none;
}

.nav-fade {
    display: none;
}


/* main */
main {
    margin-bottom: 10rem;
}

.title {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin: 0 auto;
    padding: 5rem 0 5rem;
    position: relative;
}

.title_en {
    font-family: "Source Code Pro", monospace;
    font-size: 7rem;
    font-weight: 650;
    letter-spacing: -0.9rem;
    width: 100%;
    background: linear-gradient(to right, rgba(0, 15, 26, 0.09), rgba(85, 181, 255, 0.15));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.title_ja1 {
    font-size: 3rem;
    font-weight: bold;
    color: #333;
    margin-top: 1.8rem;
    position: absolute;
    top: 9.75rem;
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
}

.top_p {
    margin-bottom: 2rem;
}

h6 {
    font-size: 1.5rem;
    color: #000;
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.08);
}

.yellow {
    width: fit-content;
    background: linear-gradient(transparent 70%, rgba(253, 250, 83, 0.6)30%);
}

.logo-area {
    position: relative;
}

.logo-wrapper {
    position: absolute;
    bottom: -524px;
    right: 300px;
}

.logo-wrapper img {
    width: 450px;
    margin: 30px;
    opacity: 0.15;
}


.btn2 {
    padding: 0.4rem 3rem 2rem;
    font-size: 1.4rem;
    display: block;
    width: fit-content;
    color: #01233d;
    text-decoration: none !important;
    position: relative;
    margin: 2rem auto 0;
}

.btn2::before {
    content: "";
    position: absolute;
    border: 1px solid #333;
    border-width: 0 2px 1px 0;
    width: 90%;
    height: 0.8rem;
    transform: skewX(60deg);
    bottom: 1.5rem;
    left: -1rem;
    z-index: 1;
}

.btn2::after {
    content: "";
    position: absolute;
    height: 7.5vh;
    aspect-ratio: 1 / 1;
    border: 1px solid #333;
    border-radius: 50%;
    right: 0;
    bottom: 0;
}

.btn2 a {
    text-decoration: none;
    color: #333;
    display: inline-block;
    position: relative;
    z-index: 2;
}

.btn2-orbit {
    display: block;
    position: absolute;
    width: 4.5rem;
    height: 4.5rem;
    background-color: rgba(30, 94, 214, 0.35);
    border-radius: 50%;
    bottom: -3rem;
    right: -4rem;
    opacity: 0;
    z-index: 2;
    transition: opacity 0.5s ease;
    text-decoration: none;
}

.btn2-1:hover .btn2-orbit {
    opacity: 1;
    animation: blink 2.4s ease-in-out infinite;
}

@keyframes blink {
    0% {
        opacity: 0.2;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0.2;
    }
}


/* #footer */
#footer {
    max-width: 1920px;
    background: linear-gradient(180deg, rgba(176, 230, 255, 0.3), #b0e6ff);
    padding-top: 120px;
}

.footer_wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.footer_wrapper p {
    font-size: 1.2rem;
    padding-left: 1.5rem;
    margin: 0;
    white-space: nowrap;
}

.flexbox5 {
    display: flex;
    justify-content: space-between;
    padding-bottom: 5rem;
}

.box9 {
    width: 400px;
}

.box9 h1 img {
    width: 300px;
    margin-bottom: 0.8rem;
}

.flexbox6 {
    display: flex;
    gap: 30px;
    margin: 3rem 0;
}

.box9 .mail {
    display: block;
    width: 200px;
    padding: 16px 0;
    background-color: rgba(30, 94, 214, 0.7);
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
    transition: .3s;
}

.box9 .mail:hover {
    background: #fff;
    color: rgba(30, 94, 214, 0.7);
    transform: scale(1.1);
}

.box9 .line {
    width: 60px;
}

.box9 a {
    display: block;
    width: 300px;
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.6;
    text-decoration: none;
    text-align: center;
    box-sizing: border-box;
    border-radius: 100px;
}

.box9 .bold {
    font-weight: bold;
    margin-top: 0.5rem;
}

.box10 {
    width: 600px;
}

.flexbox7 {
    display: flex;
    justify-content: flex-end;
}

.box11,
.box12 {
    width: 300px;
    text-align: left;
}

.footer_nav li {
    list-style: none;
}

.footer_nav li a,
.footer_nav .ul_2 li a {
    position: relative;
    display: inline-block;
    font-size: 1.3rem;
    line-height: 2;
    color: #001c51;
    text-align: left;
    text-decoration: none;
    padding-bottom: 2px;
}

/* 下線のアニメーション */
.footer_nav li a::after,
.footer_nav .ul_2 li a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    width: 0;
    background-color: rgba(30, 94, 214, 0.7);
    transition: width 0.5s ease;
}

.footer_nav li a:hover::after,
.footer_nav .ul_2 li a:hover::after {
    width: 100%;
}

.footer_nav .ul_2 li a {
    margin-left: 1rem;
}

.copy {
    display: block;
    background-color: #001c51;
    color: #FFFFFF;
    font-size: 0.8rem;
    text-align: center;
    margin: 0;
}





/* 連絡先PC版 */

.contact_flex {
    display: none;
}







/* レスポンシブ*/
/* TB */

/* max-width: 884px */
@media (max-width: 884px) {

    /* スクロール非表示 */
    .scroll {
        display: none;
    }

    /* ハンバーガーメニュー */
    header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        padding: 0 8px;
        background-color: rgba(255, 255, 255, 0.8);
    }

    .header.header-scrolled {
        background-color: rgba(255, 255, 255, 0.95);
        transition: background-color 0.3s ease;
    }

    h1 img {
        width: 120px;
    }

    header .box2 ul.nav {
        display: none;
    }

    .hamburger-fade {
        display: block;
        position: fixed;
        top: -1%;
        right: 0px;
        z-index: 1000;
        width: 60px;
        height: 60px;
        padding: 0;
        border: none;
        background: transparent;
        cursor: pointer;
        z-index: 1100;
    }

    .hamburger-fade_wrapper {
        position: relative;
        width: 30px;
        height: 20px;
        margin: 20px auto;
    }

    .hamburger-fade_line {
        position: absolute;
        left: 0;
        width: 100%;
        height: 2px;
        background-color: #001c51;
        transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    }

    .hamburger-fade_line:nth-child(1) {
        top: 0;
    }

    .hamburger-fade_line:nth-child(2) {
        top: 9px;
    }

    .hamburger-fade_line:nth-child(3) {
        top: 18px;
    }

    .hamburger-fade.active .hamburger-fade_line {
        background-color: #001c51;
    }

    .hamburger-fade.active .hamburger-fade_line:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .hamburger-fade.active .hamburger-fade_line:nth-child(2) {
        opacity: 0;
        transform: translateX(20px);
    }

    .hamburger-fade.active .hamburger-fade_line:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .nav-fade {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.5s ease;
        z-index: 900;
    }

    .nav-fade_bg {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 85vh;
        background-color: rgba(0, 46, 81, 0.8);
        opacity: 0;
        transition: opacity 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    }

    /* メニューを開いたとき */
    .nav-fade.active {
        opacity: 1;
        pointer-events: auto;
    }

    .nav-fade.active .nav-fade_bg {
        opacity: 1;
    }

    .nav-fade_wrapper {
        position: relative;
        display: flex;
        flex-direction: column;
        justify-content: center;
        width: 100%;
        height: 90%;
        padding: 5vh 10vw;
    }

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

    .nav-fade_item {
        position: relative;
        margin-bottom: 0.8vh;
        padding-left: 60px;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    }

    .nav-fade.active .nav-fade_item {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-fade.active .nav-fade_item:nth-child(1) {
        transition-delay: 0.2s;
    }

    .nav-fade.active .nav-fade_item:nth-child(2) {
        transition-delay: 0.3s;
    }

    .nav-fade.active .nav-fade_item:nth-child(3) {
        transition-delay: 0.4s;
    }

    .nav-fade.active .nav-fade_item:nth-child(4) {
        transition-delay: 0.5s;
    }

    .nav-fade_link {
        display: inline-block;
        color: #fff;
        font-size: 1.6rem;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .nav-fade_link:hover {
        color: #02ffff;
    }

    .ul_sub li {
        list-style: none;
        margin: 0.8rem 0 0.8rem 1.5rem;
    }

    .ul_sub li a span {
        color: #FFFFFF;
        margin-left: 1rem;
    }

    .ul_sub li a {
        color: #FFFFFF;
        font-size: 1.6rem;
        text-decoration: none;
        white-space: nowrap;
    }

    .ul_sub li a:hover {
        color: #02ffff;
    }

    .nav-fade_info {
        margin-top: auto;
        padding-left: 60px;
        color: #666;
        font-size: 14px;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1) 0.6s;
    }

    .nav-fade.active .nav-fade_info {
        opacity: 1;
        transform: translateY(0);
    }

    section {
        max-width: 750px;
        margin: 2rem auto;
    }

    .btn2 {
        padding: 0.4rem 1.2rem 2rem;
    }

    .logo-wrapper {
        position: absolute;
        bottom: -808px;
        right: 0px;
    }

    /* footer */
    .footer_wrapper {
        max-width: 768px;
        margin: 0 auto;
    }

    .flexbox5 {
        gap: 30px;
    }

    .box11,
    .box12 {
        width: 204px;
    }
}

/* max-width: 768px */
@media (max-width: 768px) {
    .footer_wrapper {
        max-width: 690px;
    }

    .box9 h1 img {
        width: 285px;
    }

    .box11,
    .box12 {
        width: 160px;
        white-space: nowrap;
    }

    .footer_nav li a,
    .footer_nav .ul_2 li a {
        font-size: 1rem;
    }
}





/* SP版 */
/* max-width: 440px */
@media (max-width: 440px) {
    .page-top {
        display: none;
    }

    .title {
        padding: 5rem 0 2rem;
    }

    .title_en {
        width: 300px;
        font-size: 3rem;
        letter-spacing: -0.2rem;
        margin-left: 1.5rem;
    }

    .title_ja1 {
        font-size: 1.5rem;
        position: absolute;
        top: 6rem;
        left: 5.3rem;
    }

    section {
        max-width: 390px;
        margin: 2rem auto;
    }

    .btn2 {
        padding: 0.4rem 0.2rem 2rem;
        font-size: 1.2rem;
    }

    .btn2-orbit {
        bottom: -4rem;
        right: -2rem;
    }

    .logo-wrapper {
        position: absolute;
        bottom: -1000px;
        right: 120px;
    }

    .logo-wrapper img {
        margin: 118px;
    }

    .nav-fade_wrapper {
        height: 70%;
    }

    .hamburger-fade {
        top: -12px;
        right: 22px;
        width: 24px;
        padding: 0;
    }

    h1 img {
        width: 100px;
    }

    .nav-fade_bg {
        height: 100vh;
    }

    .nav-fade_wrapper {
        height: 99%;
    }

    .nav-fade_item a,
    .ul_sub li a {
        font-size: 1.6rem;
    }

    .nav-fade_list {
        line-height: 2;
        margin-left: -1.3rem;
    }

    /* footer */
    .flexbox5,
    .flexbox7 {
        display: block;
    }

    .box9 {
        text-align: center;
    }

    .footer_wrapper h1 img {
        width: 260px;
        margin: 0 66px;
    }

    .flexbox6 {
        margin: 1rem 6rem;
    }

    .box9 .mail {
        width: 250px;
        padding: 10px 0;
    }

    .box9 .line {
        width: 96px;
    }

    .box11,
    .box12 {
        width: 390px;
        margin-left: 110px;
    }

    .footer_nav li a,
    .footer_nav .ul_2 li a {
        font-size: 1rem;
        line-height: 2.5;
        white-space: nowrap;
    }

    .footer_nav .ul_2 li a {
        margin-left: 2rem;
    }

    .copy {
        margin-bottom: 50px;
    }

    /* 連絡先SP版 */
    .contact_flex {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 50px;
        display: flex;
        font-size: 1.2rem;
        margin: 0;
        padding: 0;
        list-style: none;
        opacity: 0;
        pointer-events: none;
        transform: translateY(100%);
        transition: opacity 0.4s ease, transform 0.4s ease;
        z-index: 9999;
    }

    .contact_flex.show {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }


    .contact_btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .contact_btn1,
    .contact_btn2 {
        width: 190px;
    }

    .contact_btn1 {
        background-color: #0068b7;
    }

    .contact_btn2 {
        background-color: #80b4db;
    }

    .contact_btn3 {
        width: 60px;
        background-color: rgba(255, 255, 255, 0.8);
    }

    .contact_btn1 a,
    .contact_btn2 a {
        color: #FFFFFF;
        text-decoration: none;
        display: flex;
        align-items: center;
        justify-content: center;
        height: 100%;
        width: 100%;
        font-weight: 500;
    }

    .contact_btn3 a {
        color: #000;
        font-size: 1rem;
    }

}


/* max-width: 428px */
@media (max-width: 428px) {
    .nav-fade_wrapper {
        height: 98%;
    }
}

/* max-width: 393px */
@media (max-width: 393px) {

    .nav-fade_item a,
    .ul_sub li a {
        font-size: 1.5rem;
    }

    .nav-fade_list {
        line-height: 1.8;
        margin-left: -2.4rem;
    }

    .nav-fade_bg {
        height: 90vh;
    }

    .nav-fade_wrapper {
        height: 95%;
    }

    .title {
        padding: 5rem 0 2rem;
    }

    .title_en {
        font-size: 2.5rem;
        margin-left: 0rem;
    }

    .title_ja1 {
        font-size: 1.25rem;
        position: absolute;
        top: 5.8rem;
        left: 4.55rem;
    }

    section {
        max-width: 350px;
        margin: 2rem auto;
    }

    .btn2 {
        padding: 0.4rem 0.2rem 2rem;
        font-size: 1.2rem;
    }

    .logo-wrapper {
        position: absolute;
        bottom: -1000px;
        right: 120px;
    }

    .logo-wrapper img {
        margin: 118px;
    }

    /* footer */
    .footer_wrapper h1 img {
        width: 230px;
        margin: 0 60px;
    }

    .box9 .mail {
        width: 300px;
        padding: 10px 0;
        font-size: 1rem;
    }

    .box11 {
        margin-top: 2rem;
    }

    .footer_nav li a,
    .footer_nav .ul_2 li a {
        line-height: 2rem;
    }

    .copy {
        margin-bottom: 50px;
    }
}


/* max-width: 390px */
@media (max-width: 390px) {

    .nav-fade_item a,
    .ul_sub li a {
        font-size: 1.4rem;
    }

    .nav-fade_list {
        line-height: 1.7;
        margin-left: -2rem;
    }

    .nav-fade_bg {
        height: 80vh;
    }

    .nav-fade_wrapper {
        height: 85%;
    }

    .footer_wrapper a {
        width: 230px;
    }
}

/* max-width: 384px */
@media (max-width: 384px) {
    .nav-fade_wrapper {
        height: 84%;
    }
}

/* max-width: 375px */
@media (max-width: 375px) {
    .nav-fade_bg {
        height: 85vh;
    }

    .nav-fade_wrapper {
        height: 90%;
        margin-left: -0.2rem;
    }

    /* footer */
    .footer_wrapper h1 img {
        width: 260px;
        margin: 0 60px;
    }

    .flexbox6 {
        gap: 20px;
        margin-left: 5rem;
    }

    .box9 {
        width: 350px;
    }

    .box9 .mail {
        width: 300px;
        padding: 12px 0;
    }

    .box9 .line {
        width: 130px;
    }
}



/* max-width: 360px */
@media (max-width: 360px) {

    .nav-fade_item a,
    .ul_sub li a {
        font-size: 1.3rem;
    }

    .nav-fade_list {
        margin-left: -2.5rem;
    }

    .title_ja1 {
        font-size: 1.25rem;
        position: absolute;
        top: 5.5rem;
        left: 3rem;
    }

    section {
        max-width: 300px;
        margin: 2rem auto;
    }

    .btn2 {
        font-size: 1.1rem;
    }

    .logo-wrapper {
        position: absolute;
        bottom: -1086px;
        right: 120px;
    }

    .footer_wrapper h1 img {
        width: 180px;
        margin-left: 5rem;
    }

    .footer_wrapper p {
        font-size: 0.8rem;
        padding-left: 3rem;
    }

    .box9 {
        width: 300px;
    }

    .flexbox6 {
        margin: 1rem 4rem;
    }

    .box9 .mail {
        width: 140px;
        padding: 8px 0;
    }

    .box9 .line {
        width: 60px;
    }
}



/* max-width: 320px */
@media (max-width: 320px) {
    .hamburger-fade_wrapper {
        width: 24px;
        height: 4px;
        margin: 1px auto;
    }

    .hamburger-fade {
        top: -25px;
        right: 12px;
    }

    .nav-fade_bg {
        height: 94vh;
    }

    .nav-fade_wrapper {
        height: 100%;
        margin-left: 0;
    }

    .nav-fade_item a,
    .ul_sub li a {
        font-size: 1.2rem;
        line-height: 1.45;
    }

    .title_ja1 {
        font-size: 1.25rem;
        position: absolute;
        top: 5.5rem;
        left: 3rem;
    }

    section {
        max-width: 290px;
        margin: 2rem auto;
    }

    .btn2::before {
        width: 85%;
    }

    .btn2::after {
        right: 11px;
    }

    .btn2-orbit {
        bottom: -3.5rem;
        right: -1rem;
    }

    .logo-wrapper {
        position: absolute;
        bottom: -1086px;
        right: 120px;
    }

    .footer_wrapper h1 img {
        margin-left: 3.5rem;
    }

    .box9 {
        width: 270px;
    }

    .box9 .mail {
        width: 130px;
        padding: 10px 0;
        margin-left: 1rem;
    }

    .box9 .line {
        width: 50px;
    }

    .flexbox6 {
        margin: 1rem 2rem;
    }

    .copy {
        margin-bottom: 34px;
    }

    /* 連絡先 */
    .contact_flex {
        height: 34px;
    }

    .contact_btn1 a,
    .contact_btn2 a {
        font-size: 0.8rem;
    }
}