@charset "UTF-8";


/* common */

:root {
    --primary-color:#1e1e1e;
    --secondary-color: #fff;

    --f1:55px;
    --f2:30px;
    --f3:28px:
    --f4:20px:

    --width:960px;
    --height:80px;

    --transition:0.5s ease-in-out;
}

body {
    font-family: 'HGS行書体';
    color: var(--primary-color);
}

img {
    vertical-align: bottom;
}

a {
    color: #000;
    text-decoration: none;
}

ul {
    list-style: none;
}

@keyframes opacity-up {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes infinity-move-x {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(120px);
    }
}

@keyframes width-up-anim {
    0% {
        width: 0%;
    }
    100% {
        width: 100%;
    }
}

@keyframes thirty-five-width-up-anim {
    0% {
        width: 0%;
    }
    100% {
        width: 35%;
    }
}


/* layout */

.wrap {
    width: 100%;
}
.inner-height {
    height: var(--height);
    display: flex;
    align-items: center;
}


/* header */

.header {
    width: 100%;
    height: 140px;
    display: flex;
    align-items: center;
    position: relative;
    box-shadow: 0px 8px 7px 8px rgba(0, 0, 0, 0.14);
    overflow: hidden;
    z-index: 5;
}

.header::before,
.header::after {
    content: "";
    width: 125%;
    height: 30px;
    display: block;
    background-repeat: repeat-x;
    position: absolute;
    left: -150px;
    z-index: 0;
}

.header::before {
    background-image: url(../images/top_triangle.png);
    top: 0;
    animation: infinity-move-x 10s infinite ease-in-out;
}

.header::after {
    background-image: url(../images/bottom_triangle.png);
    bottom: 0;
    animation: infinity-move-x 10s infinite reverse ease-in-out;
}

.header-logo {
    width: 266px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-logo a:hover {
    opacity: 0.7;
    transition: var(--transition);
}


/* gnav */

.gnav {
    margin-left: 100px;
}

.gnav-list {
    width: 250px;
    height: 100%;
    font-size: var(--f2);
    text-align: center;
    position: relative;
}

.gnav-list a {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.gnav-list a:hover {
    content: "";
    width: 100%;
    height: 140px;
    background-image: url(../images/gnav_hover_img.png);
    color: var(--secondary-color);
    position: absolute;
    top: -30px;
    z-index: 2;
    animation: opacity-up 0.3s ease-in-out;
}


/* index-gnav */

.index-gnav {
    width: 950px;
    margin: 80px auto 70px;
    padding: 10px;
}

.index-gnav-container {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
}

.index-gnav-content {
    width: 455px;
}

.index-gnav-content:nth-child(1),
.index-gnav-content:nth-child(2) {
    margin-bottom: 10px;
}

.index-gnav-content:nth-child(3),
.index-gnav-content:nth-child(4) {
    margin-top: 10px;
}

.index-gnav-content:nth-child(1),
.index-gnav-content:nth-child(3) {
    margin-right: 10px;
}

.index-gnav-content:nth-child(2),
.index-gnav-content:nth-child(4) {
    margin-left: 10px;
}

.index-gnav-image {
    width: 100%;
    height: 175px;
    overflow: hidden;
}

.index-gnav-image img {
    transition: var(--transition);
}

.index-gnav-cap {
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    font-size: 28px;
}

.underline-is-text {
    position: relative;
}

.underline-is-text::before {
    content: "";
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: 50%;
    animation: width-up-anim 0.5s ease-in-out;
    position: absolute;
    left: 0;
    bottom: -2px;
}

.underline-is-text::after {
    content: "";
    width: 35%;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: 50%;
    animation: thirty-five-width-up-anim 0.5s ease-in-out;
    position: absolute;
    left: 0;
    bottom: -6px;
}


/* main */

.main {
    width: 100%;
}


/* mainimage */

.mainimage {
    height: 628px;
    background-position: center center;
    background-size: cover;
}

.index-mainimage {
    height: 618px;
    margin-bottom: 10px;
    position: relative;
    transition: var(--transition);
}

.mainimage-banshuSalt {
    background-image: url(../images/img_main01.jpg);
}

.mainimage-waterIsLowpriced {
    background-image: url(../images/img_main02.jpg);
}

.mainimage-akosOyster {
    background-image: url(../images/img_main03.jpg);
}

.mainimage-akoRonin {
    background-image: url(../images/img_main04.jpg);
}


/* clock-bar */

.index-mainimage::before,
.index-mainimage::after {
    content: "";
    width: 100%;
    height: 10px;
    display: block;
    position: absolute;
    bottom: -10px;
}

.index-mainimage::before {
    background-color: #d5d5d5;
    z-index: 4;
}

.index-mainimage::after {
    background-color: #35a2fb;
    z-index: 5;
    animation: width-up-anim 3.5s ease-in-out infinite;
}


/* contents */

.contents {
    width: 960px;
    margin: 100px auto;
}

.contents-title {
    height: 60px;
    display: flex;
    align-items: center;
    background-image: url(../images/contents_title_icon.png);
    background-position: 0 0;
    font-size: 55px;
    font-weight: 500;
    text-indent: 100px;
}

.contents-text {
    margin-top: 50px;
    font-size: 20px;
    font-weight: 350;
    letter-spacing: -1.7px;
    line-height: 60px;
}

.contents-text > span {
    font-size: 1.5em;
}

.contents-text > span span {
    font-size: 2em;
}


/* footer */

.footer {
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    background-color: #d5d5d5;
    overflow: hidden;
    position: relative;
}

.footer::before,
.footer::after {
    content: "";
    width: 125%;
    height: 30px;
    display: block;
    background-repeat: repeat-x;
    position: absolute;
    left: -120px;
    z-index: 0;
}

.footer::before {
    background-image: url(../images/top_square.png);
    top: 0;
    animation: infinity-move-x 10s infinite ease-in-out;
}

.footer::after {
    background-image: url(../images/bottom_square.png);
    bottom: 0;
    animation: infinity-move-x 10s infinite reverse ease-in-out;
}

.footer-inner-height {
    width: 100%;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Footlight MT Light';
    font-size: 18px;
}