body {
    background-color:#fff;
    margin:0;
    padding:0;
}
* {
    box-sizing:border-box; /*余白や線を幅や高さに含める*/
}
a {
    text-decoration: none;
}
img {
    max-width: 100%;
    height: auto;
}

/* BaseGrid layout (PC) */
.ord_layout {
    display: grid;
    grid-template-columns: minmax(160px, 1fr) minmax(0, 7fr);
    grid-template-rows: auto;
    row-gap: 0;
    background-color: #ffffff;
    margin: 0 auto;
    min-width: 0;
}
@media screen and (max-width: 580px) {
	.ord_layout {
        display: block;
        gap: 0;
        background-color: #fff;
        margin: 0 auto;
        min-width: 0;
	}
}

.item-3 .item-4 {
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 0;
    overflow-wrap: anywhere;
}

.item-full-1 {
    grid-column: 1 / -1;
    background-color: #000;
    margin: 0;
}
.item-full-2 {
    grid-column: 1 / -1;
    background-color: #000;
    margin: 0;
}

h1 img {
    width: 160px;
    height: 34px;
}
@media screen and (max-width: 580px) {
	h1 img {
		width: 120px;
        height: 25px;
	}
}

/*上部ナビゲーション*/
header {
    margin: 0;
}
header nav ul li {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
    text-shadow: 3px 3px 5px #727070;
}
header ul {
    display:flex;
    flex-wrap: wrap;
    list-style:none;
    background-color: #da0ad3;
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}
header ul li {
    margin: 0;
    min-width: 0;
    text-align: center;
    align-items: center;
    justify-content: center;
    border-left: solid 2px #727070;
    color: #fff;
    font-size: clamp(0.5rem, 1.5vw + 0.5rem, 1.1rem);
}
@media screen and (max-width: 830px) {
    header ul {
        display:flex;
        flex-wrap: nowrap;
        justify-content: space-between;
    }
    header ul li {
        flex: 1 1 auto;
        height: 3rem;
        align-content: center;
        font-size: clamp(0.5rem, 1.3vw + 0.5rem, 1rem);
    }
}
@media screen and (max-width: 580px) {
    header ul {
        display:flex;
        flex-wrap: wrap;
        justify-content: center;
        list-style:none;
        background-color: #000;
        margin: 0;
        padding: 0;
        width: 100%;
    }
    header li {
        flex: 0 0 calc(50% - 4px);
        margin: 0;
    }
    header li:first-child {
        flex-basis: 100%;
        background-color: #da0ad3;
    }
    header li:nth-child(n+2):nth-child(-n+5) {
        flex-basis: 50%;
    }
    header li:nth-child(4) {
        border-left: solid 2px #727070;
        border-top: solid 2px #727070;
    }
}

header nav ul li a {
    display: block;
    width: 100%;
    padding: 12px 25px 12px 25px;
    box-sizing: border-box;
}
header li a {
    color: #fff;
}

header li a:hover {
    opacity: 70%;
}

header li:nth-child(1) {
    background-color: #da0ad3;
    padding: 5px 25px 15px 25px;
    width: 160px;
    height: 45px;
    line-height: 1;
}
header li:nth-child(n+2):nth-child(-n+5) {
    line-height: 1.2;
}
@media screen and (max-width: 580px) {
    header nav ul li a {
        padding: 7px 10px 7px 10px;
    }
header li:nth-child(1) {
        background-color: #da0ad3;
        padding: 10px 10px 5px 10px;
        width: clamp(8rem, 8rem + 2.5vw, 10rem);
        height: 35px;
    }
}

header li:nth-child(n+2):nth-child(-n+4) {
    background-color: #505050;
}
header li:nth-child(5) {
    background-color: #20b0c6;
}

.item-3 {
    background-color: #f9ecfb;
    min-width: 0;
}
@media screen and (max-width: 580px) {
    .item-3 {
        margin: 0;
        padding: 0;
    }
}
/*左メニュー*/
.item-3 ul {
    display: flex;
    flex-direction: column;
    list-style: none;
    margin-top: 0;
    padding-left: 0;
    text-align: center;
    color: #fff;
    text-shadow: 3px 3px 5px #727070;
}
@media screen and (max-width: 580px) {
    .item-3 ul {
        display: flex;
        flex-wrap: nowrap;
        flex-direction: row;
        align-items: center;
        box-sizing: border-box;
        margin: 0;
        padding: 0;
        width: 100%;
        height: 7vh;
        min-width: 0;
        overflow: scroll;
    }
    .item-3 ul li {
        font-size: 0.9rem;
    }
}

.item-3 ul li:first-child {
    margin: 0 0 50px 0;
    padding: 10px 0 10px 0;
    border-top: solid 2px #727070;
    background-color: #da0ad3;
}
.item-3 ul li:nth-child(n+2) {
    margin: 0 0 20px 0;
    box-sizing: border-box;
    border-top: solid 2px #727070;
    background-color: #888888;
}
.item-3 ul li a {
    display: block;
    width: 100%;
    color: #fff;
    padding: 10px 0 10px 0;
}
@media screen and (max-width: 580px) {
    .item-3 ul li {
        box-sizing: border-box;
        width: 100%;
        height: 100%;
    }
    .item-3 ul li:first-child {
        margin: 0;
        padding-top: 14px;
        line-height: 1;
        justify-content: center;
    }
    .item-3 ul li:nth-child(2) {
        margin: 0;
        line-height: 1;
    }
    .item-3 ul li:nth-child(n+3) {
        margin: 0;
        line-height: 1;
    }
    .item-3 ul li a {
        margin: 0;
        padding: 14px 12px 10px 12px;
        height: 100%;
    }
}

.item-3 ul li a:hover {
    opacity: 50%;
}