@charset "UTF-8";

html {
    font-size: 100%
}
body {
    background-color: #d80c24;
    color: #fff;
    font-family: 'Meiryo', 'Hiragino Sans', sans-serif;
}
img {
    max-width: 100%;
    vertical-align: bottom;
}
li {
    list-style: none;
}
a {
    color: #fff;
}
a:hover {
    opacity: 0.7;
}
iframe {
    vertical-align: bottom;
}

#header-area {
    display: flex;
    padding: 50px;
    margin-bottom: 50px;
}
 /* ヘッダー */
 #header-area .header {
    max-width: 150px;
 }
 #header-area .header .logo {
    margin-bottom: 50px;
 }
#header-area .header .logo a {
    display: block;
}
#header-area .header .navi .menu {
    text-align: center;
}
#header-area .header .navi .menu {
    font-size: 14px;
    margin-bottom: 30px;
}

/* メインビジュアル */
#header-area .mainvisual {
    width: 100%;
    margin-left: 50px;
    position: relative;
}
#header-area .mainvisual img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 30px;
}


.wrapper {
    max-width: 1040px;
    padding: 0 20px;
    margin: 0 auto;
}

.section-title-v {
    letter-spacing: 0.1em;
    writing-mode: vertical-lr;
}
.section-title-v .ja {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 5px;
}
.section-title-v .en {
    font-size: 14px;
    font-weight: normal;
}

.btn {
    width: 100%;
    max-width: 200px;
    border: solid 1px #fff;
    border-radius: 30px;
    display: block;
    font-size: 14px;
    padding: 10px 0;
    position: relative;
    text-align: center;
}
.btn::before {
    content: "";
    width: 25px;
    height: 1px;
    background-color: #fff;
    position: absolute;
    top: 20px;
    right: 15px;
}
.btn::after {
    content: "";
    width: 8px;
    height: 1px;
    background-color: #fff;
    position:absolute;
    top: 18px;
    right: 14px;
    transform: rotate(35deg);
}
.btn:hover {
    background-color: #fff;
    color: #d80c24;
}
.btn hover::before {
    background-color: #d80c24;
}
.btn:hover::after {
    background-color: #d80c24;
}

.concept {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 120px;
}
.concept .text {
    max-width: 460px;
    display: flex;
    flex-direction: column;
    justify-content: end;
    margin-right: auto;
}
.concept .text .title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 30px;
}
.concept .text .detail {
    font-size: 14px;
    line-height: 2;
    margin-bottom: 40px;
    text-align: justify;
}
.concept .img {
    max-width: 400px;
    margin: 0 40px;
}
.concept .img img {
    border-radius: 30px;
}

.service {
    margin-bottom: 80px;
}

/*--------------------------------------------
スマートフォン
--------------------------------------------*/
@media screen and (max-width: 767px) {
#header-area {
    flex-direction: column;
    padding: 20px;
    margin-bottom: 40px;
}
#header-area .header {
    max-width: 100%;
    margin-bottom: 20px;
}
#header-area .header .logo {
    max-width: 170px;
    margin: 0 auto;
}
#header-area .mainvisual {
    margin-left: 0;
}
#header-area .mainvisual img {
    height: auto;
    object-fit: contain;
}
#header-area .header .hamburger {
    width: 50px;
    height: 50px;
    background-color: #fff;
    border-radius: 10px;
    cursor: pointer;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 20;
}
#header-area .header .hamburger span {
    width: 30px;
    height: 2px;
    background-color:#d80c24;
    display: inline-block;
    position: absolute;
    left: 10px;
    transition: all 0.4s;
}
#header-area .header .hamburger span:nth-of-type(1) {
    top: 16px;
}
#header-area .header .hamburger span:nth-of-type(2) {
    top: 25px;
}
#header-area .header .hamburger span:nth-of-type(3) {
    top:34px;
}
#header-area .header .navi {
    width: 100%;
    height: 100vh;
    background-color: #d80c24;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
    opacity: 0;
    visibility: hidden;
}
#header-area .header .navi .menu {
    width: 100%;
    height: 100vh;
    padding: 80px 0;
    overflow: auto;
}
#header-area .header .navi.active {
    opacity: 1;
    visibility: visible;
    transition: all 0.6s;
}
#header-area .header .hamburger.active span:nth-of-type(1) {
    top: 24px;
    transform: rotate(-45deg);
}
#header-area .header .hamburger.active span:nth-of-type(2) {
    opacity: 0;
}
#header-area .header .hamburger.active span:nth-of-type(3) {
    top: 24px;
    transform: rotate(45deg);
}

.section-title-v {
    margin-bottom: 20px;
    writing-mode: horizontal-tb;
}
.section-title-v .ja {
    font-size: 22px;
    margin-bottom: 0;
}
.section-title-v .en {
    font-size: 10px;
}

.concept {
    flex-direction: column-reverse;
    margin-bottom: 60px;
}
.concept .img {
    margin: 0 auto 40px;
}
.concept .btn {
    margin: 0 auto;
}
}