/* ---------------------------------------------
*   Custom Properties
--------------------------------------------- */
:root {
    --design-width: 1280;
    --contents-width: 1154;
    --contents-width-small: 1000;
    --contents-side-padding: 63;
    --minwidth: 320;
    --fixed-header-height: 100;
    --root-fz: 16;
    --line-height: 1.5;
    --hover-opacity-ratio: 0.7;
    --hover-duration: .3s;
    --color-base-1: #333333;
    --color-base-1-rgb: 51, 51, 51;
    --color-black-1: #000;
    --color-black-1-rgb: 0, 0, 0;
    --color-black-2: #1c2a3c;
    --color-black-2-rgb: 28, 42, 60;
    --color-white-1: #fff;
    --color-white-1-rgb: 255, 255, 255;
    --color-red-1: #db332a;
    --color-red-1-rgb: 219, 51, 42;
    --color-gray-1: #808080;
    --color-gray-1-rgb: 128, 128, 128;
    --color-gray-2: #cacaca;
    --color-gray-2-rgb: 202, 202, 202;
    --color-gray-3: #979797;
    --color-gray-3-rgb: 151, 151, 151;
    --color-gray-4: #e6e6e6;
    --color-gray-4-rgb: 230, 230, 230;
    --color-gray-5: #f2f2f2;
    --color-gray-5-rgb: 242, 242, 242;
    --color-gray-6: #e5e7df;
    --color-gray-6-rgb: 229, 231, 223;
    --color-gray-7: #999999;
    --color-gray-7-rgb: 153, 153, 153;
    --color-gray-8: #c4c4c4;
    --color-gray-8-rgb: 196, 196, 196;
    --color-gray-9: #efefef;
    --color-gray-9-rgb: 239, 239, 239;
    --color-gray-10: #8d8d8d;
    --color-gray-10-rgb: 141, 141, 141;
    --color-green-1: #12a740;
    --color-green-1-rgb: 18, 167, 64;
    --color-green-2: #0fa647;
    --color-green-2-rgb: 15, 166, 71;
    --color-green-3: #39b142;
    --color-green-3-rgb: 57, 177, 66;
    --color-blue-1: #008cd6;
    --color-blue-1-rgb: 0, 140, 214;
    --color-blue-2: #eaf3fa;
    --color-blue-2-rgb: 234, 243, 250;
    --color-blue-3: #00788a;
    --color-blue-3-rgb: 0, 120, 138;
    --color-blue-4: #0098af;
    --color-blue-4-rgb: 0, 152, 175;
    --color-blue-5: #3b6fb0;
    --color-blue-5-rgb: 59, 111, 176;
    --color-blue-6: #bce2f7;
    --color-blue-6-rgb: 188, 226, 247;
    --color-blue-7: #72c5eb;
    --color-blue-7-rgb: 114, 197, 235;
    --ff-root: "NotoSansCJKjp", "Noto Sans JP", sans-serif;
    --ff-barlow: "Barlow Condensed", sans-serif;
}
@media screen and (max-width: 1024px) {
    :root {
        --design-width-sp: 320;
    }
}
@media screen and (max-width: 768px) {
    :root {
        --fixed-header-height: 60;
        --design-width: 320;
        --contents-width: 280;
        --contents-side-padding: 20;
        --minwidth: 320;
        --root-fz: 16;
        --line-height: 1.5;
    }
}

/* ---------------------------------------------
*   Universal selector
--------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
}

/* ---------------------------------------------
*   html, body
--------------------------------------------- */
html,
body {
    color: var(--color-base-1);
    font-size: calc(var(--root-fz) * 1px);
    font-family: var(--ff-root);
    -webkit-text-size-adjust: 100%;
}
@media screen and (max-width: 768px) {
    html,
    body {
        font-size: calc(var(--root-fz) / var(--design-width) * 100vw);
    }
}

body {
    min-width: calc(var(--minwidth) * 1px);
    line-height: var(--line-height);
}

/* ---------------------------------------------
*   <a> tag
--------------------------------------------- */
a {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

/* ---------------------------------------------
*   <img> tag
--------------------------------------------- */
img {
    max-width: 100%;
    height: auto;
    vertical-align: bottom;
}

/* ---------------------------------------------
*   <hr> tag as anchor target
--------------------------------------------- */
hr[id^=anchor-] {
    display: block;
    width: auto;
    height: 0;
    padding: calc(var(--fixed-header-height) / var(--design-width) * 100vw) 0 0 0;
    border: 0;
    margin: calc(var(--fixed-header-height) / var(--design-width) * -100vw) 0 0 0;
    background: 0;
    pointer-events: none;
}