* {
    box-sizing: border-box;
}

html {
    font-size: 62.5%;
}

body {
    font-size: 1.4rem;
    margin: 0;
    padding: 0;
}

.box {
    width: 60%;
    margin: auto;
}

h1 {
    font-size: clamp(1rem, 0.571rem + 2.14vw, 3.5rem);
}

a {
    cursor: pointer;
    text-decoration: none;
    color: #fff;
}

.view {
    opacity: 0;
    transition: 1.5s;
}

.view.show {
    opacity: 1;
}

/* ----------------------------------------------------
header
---------------------------------------------------- */
header {
    display: flex;
    position: absolute;
    z-index: 1;
    width: 100%;
    align-items: flex-start;
}

.logo {
    width: 20%;
    padding: 1em 1em;
}

.logo_text {
    width: 30%;
    padding: 1em 0;
}

.nav_contact {
    width: 200px;
    padding: 1em 1em;
}

.nav_inst {
    width: 200px;
    padding: 1em 1em;
}

nav ul {
    color: #fff;
    list-style: none;
    display: flex;
    padding: 0;
    width: 111%;
    align-items: flex-start;
}

.nav_link {
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
}

nav {
    max-width: 80%;
    margin: auto;
}

nav li {
    margin-right: 2em;
}

.nav_logo {
    display: flex;
    justify-content: flex-start;
    margin: auto;
}

/* ----------------------------------------------------
top
---------------------------------------------------- */
.top {
    position: relative;
}

#video {
    width: 100%;
    object-fit: cover;
}

.top p {
    position: absolute;
    color: #fff;
    top: 50%;
    left: 7%;
    z-index: 1;
    font-size: clamp(1rem, 0.571rem + 2.14vw, 3.5rem);
}

.top_deco1 {
    position: absolute;
    bottom: 0px;
    background-color: #322E65;
    opacity: 0.78;
    width: 100%;
    height: 100%;
    clip-path: polygon(0 67%, 0% 100%, 38% 100%);
}

.top_deco2 {
    position: absolute;
    bottom: 0px;
    background-color: #453F87;
    opacity: 0.9;
    width: 100%;
    height: 100%;
    clip-path: polygon(0 94%, 100% 77%, 100% 100%, 0% 100%);
}

/* ----------------------------------------------------
about
---------------------------------------------------- */
.about {
    padding: 100px 0 200px 0;
    display: flex;
    position: relative;
    width: 60%;
    margin: auto;
    color: #fff;
    margin-top: -5px;
    align-items: center;
}

.about_1 {
    display: flex;
}

.about_pic1 ,.about_pic2 {
    width: 171px;
    height: 256px;
    object-fit: cover;
    margin: 1em;
}

.about_pic2 {
    margin: -5em 0;
}

.about_2 {
    margin-left: 2em;
}

.about p ,h1 {
    margin: 0;
}

.background {
    background-color: #4A4492;
    width: 100%;
    height: 100%;
    clip-path: polygon(0% 0%, 100% 0%, 100% 81%, 0% 100%);
}

/* ----------------------------------------------------
important
---------------------------------------------------- */
.important {
    width: 60%;
    margin: auto;
}

.titlle {
    text-align: center;
    color: #4A4492;
}

.imp_1 ,.imp_2 ,.imp_3 {
    margin: 2em 0 4em 0;
}

.Container ,.Container2 ,.Container3 {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.Box-Container ,.Box-Container2 ,.Box-Container3 {
    display: flex;
    width: fit-content;
    transition: transform 0.3s ease;
    transform: translateX(0);
    overflow: hidden;
}

.Box {
    flex-shrink: 0;
    width: 300px;
    height: 200px;
    margin-right: 10px;
    border-radius: 10px;
    background-color: #ccc;
}

.Box img {
    object-fit: cover;
    width: 100%;
}

.Arrow ,.Arrow2 ,.Arrow3 {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    background-color: rgba(74,68,146,0.8757281553398059);
    color: #fff;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.Arrow .left {
    left: 0;
}

.Arrow2 .left {
    left: 0;
}

.Arrow3 .left {
    left: 0;
}

.Arrow.right {
    right: 0;
}

.Arrow2.right {
    right: 0;
}

.Arrow3.right {
    right: 0;
}

.Hide {
    display: none;
}

/* ----------------------------------------------------
onlinestore
---------------------------------------------------- */
.onlinestore {
    width: 60%;
    margin: auto;
    position: relative;
    color: #fff;
    padding: 18em 0 13em 0;
}

.background2 {
    position: relative;
    width: 100%;
    height: 100%;
    background-image: url('../image/online.jpg');
    background-size: cover;
    background-position: center top;
    clip-path: polygon(0% 29%, 100% 0%, 100% 71%, 0% 100%);
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(177deg, rgba(74,68,146,0.8757281553398059) 0%, rgba(153,220,214,0.88) 100%);
    pointer-events: none;
}

.online_button {
    background-color: #fff;
    display: inline-block;
    color: #4A4492;
    padding: 1em;
}

/* ----------------------------------------------------
news
---------------------------------------------------- */
.news {
    width: 60%;
    margin: auto;
    padding: 5em 0;
    display: flex;
    align-items: flex-start;
    color: #4A4492;
}

.news_2 {
    margin-left: 1em;
    padding-left: 1em;
    border-left: 1px solid #000;
}

/* ----------------------------------------------------
contact
---------------------------------------------------- */
.contact {
    width: 60%;
    margin: auto;
    padding: 18em 0 13em 0;
    color: #4A4492;
}

.contact_button {
    background-color: transparent;
    border: 1px solid #000;
    display: inline-block;
    color: #4A4492;
    padding: 1em;
}

.background3 {
    position: relative;
    width: 100%;
    background-color: #99DCD6;
    clip-path: polygon(0% 29%, 100% 0%, 100% 71%, 0% 100%);
}

/* ----------------------------------------------------
access
---------------------------------------------------- */
.access {
    width: 60%;
    margin: 1em auto 11em auto;
    color: #4A4492;
}

.access_1 {
    display: flex;
    justify-content: space-between;
    width: 90%;
}

.access_1 p {
    width: 327px;
    height: 121px;
    padding: 1em;
    border: 1px solid #000;
}

.map {
    width: 90%;
}

.map iframe {
    width: 100%;
}

/* ----------------------------------------------------
footer
---------------------------------------------------- */
footer {
    background-color: #4A4492;
    color: #fff;
    text-align: center;
    padding: 1em;
}

/* ----------------------------------------------------
ハンバーガーメニュー
---------------------------------------------------- */
nav ul.show {
    right: 0;
    opacity: 0.8;
}

/* ハンバーガーメニューアイコンの基本スタイル */
.hamburger {
    margin: auto;
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
    padding-right: 2em;
}

.hamburger span {
    display: block;
    width: 38px;
    height: 5px;
    background-color: #fbfbfb;
    border-radius: 3px;
    transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s ease;
}

/* スクリーンサイズに応じて表示 */
@media (max-width: 1280px) {
    .hamburger {
        display: flex;
        position: fixed;
        right: -1em;
        top: 1em;
    }

    nav ul.menu-open {
        display: flex;
        flex-direction: column;
        gap: 1em;
        position: fixed;
        top: -1em;
        right: 0;
        width: 40%;
        height: 100vh;
        background-color: #4A4492;
        color: #fff;
        padding-top: 5em;
        padding-left: 2em;
        transition: right 0.4s ease, opacity 0.4s ease;
        opacity: 0.9;
        z-index: 999;
    }

    nav ul li {
        font-size: 2em;
        font-weight: bold;
    }
}

/* ハンバーガーメニューのクリック時アイコン変化 */
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(14px, 7px);
    background-color: #fff;
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(14px, -8px);
    background-color: #fff;
}

/* ----------------------------------------------------
メディアクエリ
---------------------------------------------------- */
@media (max-width: 600px) {
    .about_pic1 ,.about_pic2 {
        width: 109px;
        height: 163px;
    }

    .Box {
        width: 200px;
        height: 130px;
    }

    .Box img {
        object-fit: cover;
        width: 100%;
    }

    .show {
        width: 50%;
    }

    nav ul li {
        font-size: 1em;
    }

    .about {
        display: block;
    }
    .hamburger span{
        width:30px;
    }
}

@media (max-width: 1280px) {
    body {
        font-size: 1rem;
    }

    header {
        display: flex;
        justify-content: space-between;
    }

    nav ul {
        padding: 0em;
        display: none;
    }

    nav ul.show {
        display: flex;
    }

    .about ,.important ,.onlinestore ,.news ,.contact ,.access {
        width: 92%;
    }

    .about_2 {
        margin-top: 2em;
    }

    .access_1 p {
        width: 30%;
    }

    .nav_link {
        display: flex;
        justify-content: flex-start;
    }

    .nav_contact ,.nav_inst {
        width: 40%;
    }
}

@media (max-width: 1280px) {
    .hamburger span{
        
    }
}