html, body{
    margin: 0;
    padding: 0;
}
.area{
    overflow: auto;
}
.area_child{
    width: 100%;
}

:root {
    --color-base: rgb(255, 255, 255);
    --color-main: rgb(10, 10, 10);
    --color-accent: rgb(184, 71, 66);
}
/*background*/
.back-main { background: var(--color-main);}
.back-base { background: var(--color-base);}
.back-accent { background: var(--color-accent);}

/* border */
.border-main { border: solid 1.5px var(--color-main);}
.border-base { border: solid 1.5px var(--color-base);}
.border-accent { border: solid 1.5px var(--color-accent);}

/*color*/
.text-main { color: var(--color-main);}
.text-base { color: var(--color-base);}
.text-accent { color: var(--color-accent);}

/*--------------------------------------------

header

--------------------------------------------*/
.header_bottom{
    background-repeat: no-repeat;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: calc(100vh - 130px);
    height: calc(100svh - 130px);
    margin-top: 130px;
    box-sizing: border-box;
    padding-top: 0 !important;
    overflow: hidden;
}
.header_bottom .catch_copy{
    max-width: 810px;
    width: 90%;
    height: fit-content;
    font-family: serif;
    font-size: 2rem;
    -ms-writing-mode: tb-rl;
    writing-mode: vertical-rl;
}
.header_bottom .machine{
    max-width: 810px;
    width: 90%;
    max-height: calc(100vh - 130px - 40px);
    max-height: calc(100svh - 130px - 40px);
    height: 100%;
    object-fit: contain;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
}
.header_bottom h1 ,
.header_bottom p.text {
    font-size: 1em;
    margin: 0;
    position: absolute;
    bottom: 1em;
}
.header_bottom h1 {
    right: 5%;
}
.header_bottom p.text {
    left: 5%;
}
.header_bottom h1 img{
    width: 200px;
}
.header_bottom .first-parts {
    width: auto;
    height: 120vh;
    height: 120lvh;
    position: absolute;
    left: 5%;
    top: 50%;
    transform: translateY(-50%);
    z-index: -2;
}

/*--------------------------------------------
max-width 1200
--------------------------------------------*/
@media (max-width: 1200px) {
.header_bottom{
    height: calc(100vh - 55px);
    height: calc(100svh - 55px);
    margin-top: 55px;
}
.header_bottom .machine_logo{
    width: 90%;
}
.header_bottom h1 img{
    width: 150px;
}
}
/*--------------------------------------------
max-width 1080
--------------------------------------------*/
@media (max-width: 1080px) {

}
/*--------------------------------------------
max-width 810
--------------------------------------------*/
@media (max-width: 810px) {
.header_bottom{
    height: fit-content;
    flex-direction: column;
    padding-top: 2em !important;
    padding-bottom: 3em;
}
.header_bottom .machine{
    position: static;
    z-index: 1;
    transform: translate(0, 0);
}
.header_bottom .catch_copy{
    font-size: 1.5rem;
    text-align: center;
    -ms-writing-mode: unset;
    writing-mode: unset;
}

.header_bottom h1 ,
.header_bottom p.text {
    position: static;
}
.header_bottom p.text {
    text-align: center;
}
.header_bottom p.text span{
    display: inline-block;
}
}

/*--------------------------------------------
max-width 500
--------------------------------------------*/
@media (max-width: 500px) {
.header_bottom .catch_copy{
    font-size: 6vw;
}
.header_bottom p.text {
    padding-top: 2em;
}
}

/*--------------------------------------------

brand_wrap

--------------------------------------------*/

/*--------------------------------------------
max-width 1200
--------------------------------------------*/
@media (max-width: 1200px) {

}
/*--------------------------------------------
max-width 1080
--------------------------------------------*/
@media (max-width: 1080px) {

}
/*--------------------------------------------
max-width 810
--------------------------------------------*/
@media (max-width: 810px) {

}

/*--------------------------------------------

reason

--------------------------------------------*/
.reason {
    padding: 5em 0;
    box-shadow: 0 0 20px rgba(100, 100, 100, 0.2);
}
/* reason-title */
.reason-title {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5em;
    margin-left: -0.75em;
}
.reason-title > span {
    font-size: 18em;
    line-height: 1em;
}
.reason-title dl {
    display: flex;
    flex-direction: column;
}
.reason-title dt {
    font-size: 5em;
    font-weight: 700;
    line-height: 1.25em;
    transform: scaleX(1.1);
}
.reason-title dd {
    font-size: 150%;
}
.reason-title dd span {
    font-size: 250%;
}

/* reason-list */
.reason-list {
    max-width: 1080px;
    width: 90%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 5em 3em;
    margin: 0 auto;
    margin-top: 5em;
}
.reason-list li {
    width: calc(50% - 1.5em);
}

.reason-list .reason-number {
    font-size: 120%;
    width: fit-content;
    font-family: sans-serif;
    display: flex;
    align-items: center;
    position: relative;
    padding-right: 4em;
}
.reason-list .reason-number::before {
    content: "";
    width: 3em;
    height: 2px;
    background: var(--color-accent);
    border-radius: 200px;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
}
.reason-list .reason-number span {
    font-size: 110%;
    width: 1.5em;
    height: 1.5em;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 0.5em;
}

.reason-list li h3 {
    font-size: 140%;
}
.reason-list li .reason-text {
    font-size: 120%;
    line-height: 1.8em;
}
.reason-list li .reason-text img {
    float: left;
    width: 12em;
    height: auto;
    object-fit: contain;
    padding-right: 1em;
}


/*--------------------------------------------
max-width 1200
--------------------------------------------*/
@media (max-width: 1200px) {

}
/*--------------------------------------------
max-width 1080
--------------------------------------------*/
@media (max-width: 1080px) {

}
/*--------------------------------------------
max-width 810
--------------------------------------------*/
@media (max-width: 810px) {
/* reason-list */
.reason-list {
    max-width: 600px;
}
.reason-list li {
    width: 100%;
}
.reason-list li .reason-text img {
    width: 100%;
    float: none;
    padding-right: 0;
}
}
/*--------------------------------------------
max-height 700
--------------------------------------------*/
@media (max-height: 700px) {
/* reason-title */
.reason-title {
    font-size: 80%;
}
}

/*--------------------------------------------

evidence

--------------------------------------------*/
.brand_wrap section.evidence {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 50px;
    position: relative;
    box-shadow: 0 0 20px rgba(100,100,100,0.2);
    height: fit-content;
    padding: 150px 0 90px 0;
    overflow: hidden;
}
.brand_wrap .evidence h3{
    font-weight: 600;
    margin: 0;
    font-size: 1.5rem;
    letter-spacing: 0.5rem;
    position: relative;
    z-index: 2;
}
.brand_wrap .evidence h4 {
    font-size: 180%;
    font-weight: 400;
    letter-spacing: 0.01em;
    text-indent: 0.01em;
    margin: 0;
    margin-top: -1em;
}
.brand_wrap .evidence p {
    font-size: 120%;
    max-width: 1080px;
    width: 90%;
    line-height: 2em;
    text-align: center;
    margin: 0 auto;
}

/* evidence-list */
.evidence-list {
    max-width: 1080px;
    width: 90%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2em;
    margin: 0 auto;
}
.evidence-item {
    width: calc(50% - 1em);
    background: rgb(240, 240, 240);
    border-radius: 1em;
    padding: 3em 5em;
    box-sizing: border-box;
}
.evidence-item.half {
    width: calc(35% - 1em);
}
.evidence-item img {
    width: 100%;
}

/* evidence-summary */
.evidence-summary {
    font-size: 120%;
    max-width: 1080px;
    width: 90%;
    margin: 0 auto;
}
.evidence-summary dt {
    padding: 1em;
}
.evidence-summary dd {
    line-height: 2em;
    padding-top: 1em;
}

/*--------------------------------------------
max-width 1200
--------------------------------------------*/
@media (max-width: 1200px) {

}
/*--------------------------------------------
max-width 1080
--------------------------------------------*/
@media (max-width: 1080px) {

}
/*--------------------------------------------
max-width 810
--------------------------------------------*/
@media (max-width: 810px) {
.brand_wrap .evidence h4 {
    font-size: 130%;
}
.brand_wrap .evidence p {
    font-size: 110%;
}
/* evidence-list */
.evidence-item {
    width: 100%;
    padding: 2em 1em;
}
.evidence-item.half {
    width: calc(50% - 1em);
}
}

/*--------------------------------------------

line_up

--------------------------------------------*/
.brand_wrap section.line_up{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 50px;
    position: relative;
    box-shadow: 0 0 20px rgba(100,100,100,0.2);
    height: fit-content;
    padding: 150px 0 90px 0;
    overflow: hidden;
}
.brand_wrap .line_up .first-parts {
    width: auto;
    height: 120vh;
    height: 120lvh;
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    z-index: -2;
}
.brand_wrap .line_up h3{
    font-weight: 600;
    margin: 0;
    font-size: 1.5rem;
    letter-spacing: 0.5rem;
    position: relative;
    z-index: 2;
}
.brand_wrap .line_up_content{
    width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    justify-content: center;
    padding-bottom: 60px;
}
.brand_wrap .line_up_content a{
    background: rgb(255,255,255);
    margin: 5px;
    padding: 10px;
    box-sizing: border-box;
    box-shadow: 2px 2px 2px rgba(100,100,100,0.2);
    color: rgb(0,0,0);
    border: solid 1px rgb(240, 240, 240);
}
.brand_wrap .line_up_content img{
    width: 100%;
}
.brand_wrap .line_up_content a div{
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.brand_wrap .line_up_content h3,
.brand_wrap .line_up_content p,
.brand_wrap .line_up_content dl,
.brand_wrap .line_up_content dd{
    margin: 0;
}
.brand_wrap .line_up_content h3{
    font-size: 0.9rem;
    font-weight: normal;
    letter-spacing: normal;
}
.brand_wrap .line_up_content p{
    padding: 5px;
    width: 100%;
    border-radius: 100px;
    box-sizing: border-box;
    text-align: center;
}
.brand_wrap .line_up_content dl{
    display: flex;
    justify-content: space-between;
    border-top: dotted 1px rgb(100,100,100);
    padding-top: 10px;
}
.brand_wrap .line_up > a{
    border: solid 1px rgb(255,255,255);
    color: rgb(255,255,255);
    width: 50%;
    padding: 15px;
    margin: 0 auto;
    border-radius: 100px;
    transition: all 0.3s;
    text-align: center;
    position: relative;
    z-index: 2;
}
.brand_wrap .line_up > a:hover{
    opacity: 0.7;
}
.brand_wrap .line_up ul {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 0.5em;
    border-radius: 0.5em;
    background: rgb(245, 245, 245);
    padding: 1em;
}
.brand_wrap .line_up ul li {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/*slider_button*/
.prev-arrow, .next-arrow{
    position: absolute;
    background: rgba(200,200,200,0.6);
    color: rgb(255,255,255);
    padding: 10px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    width: 50px;
    height: 50px;
    z-index: 2;
    transition: all 0.3s;
    margin: auto;
    box-shadow: 2px 2px 5px rgb(0,0,0,0.2);
    z-index: 3;
    bottom: 0;
}
.prev-arrow:hover, .next-arrow:hover{
    background: rgba(0,0,0,0.6);
}
.next-arrow{
    right: 10px;
}
.prev-arrow{
    right: 70px;
}


/*--------------------------------------------
max-width 1200
--------------------------------------------*/
@media (max-width: 1200px) {
.brand_wrap .line_up_content{
    width: 90%;
}
}
/*--------------------------------------------
max-width 1080
--------------------------------------------*/
@media (max-width: 1080px) {

}
/*--------------------------------------------
max-width 810
--------------------------------------------*/
@media (max-width: 810px) {
.brand_wrap section.line_up{
    padding: 75px 0 20px 0;
    gap: 20px;
}
.brand_wrap .line_up ul li {
    flex-direction: column;
    align-items: flex-start;
}
}

/*--------------------------------------------

contact

--------------------------------------------*/
.brand_wrap section.brand_contact{
    background: rgb(255,255,255);
    height: fit-content;
    width: 90%;
    margin: 0 auto;
}
.contact_link{
    border: solid 2px rgb(100,100,100);
    color: rgb(100,100,100);
}
.contact_link:hover{
    opacity: 1;
    background: rgba(100,100,100,0.6);
}
div.footer_top{
    background: rgb(0,0,0);
    color: rgb(100,100,100);
}
div.footer_top a{
    color: rgb(100,100,100);
}
footer h2::after{
    background: rgb(100,100,100);
}
/*--------------------------------------------
max-width 1200
--------------------------------------------*/
@media (max-width: 1200px) {

}
/*--------------------------------------------
max-width 1080
--------------------------------------------*/
@media (max-width: 1080px) {

}
/*--------------------------------------------
max-width 810
--------------------------------------------*/
@media (max-width: 810px) {

}

/*--------------------------------------------

all_machine_btn

--------------------------------------------*/
.all_machine_btn {
    padding: 20px 10px !important;
}

/*--------------------------------------------
max-width 810
--------------------------------------------*/
@media (max-width: 810px) {

}