@charset "UTF-8";

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

html {
    font-size: 16px;
}

body {
    font-family: 'Hiragino Kaku Gothic ProN', 'ヒラギノ角ゴ ProN W3', YuGothic, 'Yu Gothic', 'Helvetica Neue', 'Arial', sans-serif;
}

h2,
h3 {
    font-family: 'Helvetica', 'Helvetica Neue', 'Arial', sans-serif;
    font-size: 1.5rem;
    line-height: 100%;
    letter-spacing: 0.1em;
    color: #121212;
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 0.875rem;
}

p {
    font-size: 0.875rem;
    line-height: 200%;
    letter-spacing: 0.1em;
    color: #121212;
    text-align: justify;
}

a {
    font-family: 'Helvetica', 'Helvetica Neue', 'Arial', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    letter-spacing: 0.05em;
    line-height: 100%;
}

.btn {
    width: 15rem;
    height: 3.5rem;
    line-height: 3.5rem;
    background-color: #EAEAEA;
    opacity: .9;
    color: #121212;
    text-align: center;
    display: block;
    margin-top: 2.5rem;

    &:hover {
        opacity: .6;
        transition: .3s;
    }
}

ul {
    list-style: none;
}

img {
    vertical-align: bottom;
}

.sp {
    display: none;
}

/* header */
header {
    height: 5rem;
    display: flex;
    background: #fff;
}

header a {
    display: flex;
    align-items: center;
    padding-left: 1.5rem;
}

header img {
    width: 150px;
    height: auto;
}

/* fv */
.fv img {
    width: 100%;
    height: auto;
}

/* common */
.common {
    width: 83.6%;
    margin: auto;
    padding: 120px 0;
}

/* intro */
.intro {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 72px;
}

.intro .title p {
    font-size: 1rem;
    padding: 16px 0 40px 0;
    font-weight: 600;
}

.intro .btn {
    background-color: #75706F;
    color: #fff;
    font-weight: 500;

    &:hover {
        opacity: .8;
    }
}

.intro img {
    width: 50%;
}

/* slider */
.slider {
    padding-left: 0;
}

.slider img {
    width: 100%;
    height: auto;
}

/* item */
.items {
    display: flex;
    flex-direction: column;
    gap: 120px;
}

.item .title {
    padding-bottom: 1.5rem;
}

.item .title p {
    font-family: 'Helvetica', 'Helvetica Neue', 'Arial', sans-serif;
    font-weight: 600;
    line-height: 100%;
    letter-spacing: 0.05em;
}

.item .title h2 {
    font-size: 3rem;
    padding: 1.5rem 0;
    letter-spacing: 0.05em;
}

.item .title .modelnumber {
    font-size: 2rem;
}

.item .line {
    border: 1px solid #121212;
    margin: 1.5rem 0;
}

table {
    font-size: 0.875rem;
    color: #121212;
}

table td {
    padding: 4px 0;
}

table .h {
    width: 72px;
    font-weight: 600;
}

/* item: fixed */
#wrapper {
    position: relative;
    display: flex;
    flex-wrap: nowrap;
    gap: 72px;
}

#fixed-area {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    width: 50%;
    height: 100vh;
}

#container {
    width: 50%;
}

#container .main {
    width: 100%;
}

#container .line {
    margin: 2.5rem 0;
}

#container ul {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    padding-top: 1.5rem;
}

#container ul img {
    width: 100%;
}

#container ul p {
    font-size: 0.8125rem;
    padding-top: 1.5rem;
}

/* viewall */
.viewall {
    width: fit-content;
    margin: auto;
}

.viewall .btn {
    margin-top: 5rem;
    background-color: #75706F;
    color: #fff;
    font-weight: 500;

    &:hover {
        opacity: .8;
    }
}

/* feature */
.feature {
    padding-bottom: 7.5rem;
}

.feature h2 {
    text-align: center;
    font-size: 2.5rem;
    padding-bottom: 4rem;
}

.feature ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
}

.feature img {
    width: 100%;
}

.feature a {
    &:hover {
        opacity: 0.9;
        transition: 0.3s;
    }
}

/* footer */
footer {
    background-color: #444;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

footer p {
    font-size: 12px;
    color: #fff;
}

/* toTop */
#page_top {
    width: 3.5rem;
    height: 3.5rem;
    position: fixed;
    right: 2rem;
    bottom: 0;
    background: #C0C0C0;
    z-index: 10;
}

#page_top a {
    position: relative;
    display: block;
    width: 3.5rem;
    height: 3.5rem;
    text-decoration: none;
}

#page_top a::before {
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    content: '\f0d8';
    font-size: 25px;
    color: #fff;
    position: absolute;
    width: 1.5rem;
    height: 1.5rem;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    margin: auto;
    text-align: center;
}

#page_top:hover {
    opacity: 0.8;
    transition: 0.2s;
}

@media screen and (max-width: 428px) {
    p {
        font-size: 0.8125rem;
    }

    a {
        font-size: 0.8125rem;
    }

    .btn {
        width: 209px;
        height: 45px;
        line-height: 45px;
        margin-top: 1.5rem;
    }

    .pc {
        display: none;
    }

    .sp {
        display: block;
    }

    /* header */
    header {
        height: 4rem;
    }

    header img {
        width: 7.5rem;
    }

    /* common */
    .common {
        width: 100%;
        padding: 4rem 0;
    }

    /* intro */
    .intro {
        width: 92.3%;
    }

    .intro .title p {
        font-size: 0.8125rem;
        padding: 0.5rem 0 1.5rem 0;
    }

    /* item */
    .items {
        gap: 64px;
    }

    .item {
        flex-direction: column;
    }

    .sp-item .title {
        width: 92.3%;
        margin: auto;
    }

    .sp-item .title h2 {
        font-size: 2rem;
        padding: 0.5rem 0 1rem 0;
    }

    .sp-item .title .modelnumber {
        font-size: 1rem;
    }

    .sp-item img {
        width: 100%;
    }

    #wrapper {
        gap: 2rem;
    }

    #fixed-area {
        width: 92.3%;
        margin: auto;
        height: auto;
        position: static;
    }

    #container {
        width: 92.3%;
        margin: auto;
    }

    #container .line {
        margin: 0 0 2rem 0;
    }

    table {
        font-size: 0.8125rem;
    }

    #container ul {
        display: flex;
        overflow:scroll;
    }

    #container li {
        min-width: 70%;   
    }

    #container ul p {
        padding-top: 1rem;
    }

    /* viewall */
    .viewall .btn {
        margin-top: 4rem;
    }

    /* feature */
    .feature {
        width: 92.3%;
        margin: auto;
    }

    .feature h2 {
        font-size: 2rem;
        padding-bottom: 2rem;
    }

    .feature ul {
        gap: 2rem;
        grid-template-columns: 1fr;
    }

    /* toTop */
    #page_top {
        width: 45px;
        height: 45px;
    }

    #page_top a {
        width: 45px;
        height: 45px;
    }
}