/* ---------------------------------------------
*   Custom Properties
--------------------------------------------- */
:root {
    --design-width: 1366;
    --contents-width: 1266;
    --contents-side-padding: 50;
    --minwidth: calc(var(--contents-width) + var(--contents-side-padding) * 2);
    --fixed-header-height: 100;
    --root-fz: 16;
    --line-height: 1.5;
    --hover-opacity-ratio: 0.6;
    --hover-duration: .3s;
    --color-base-1: #3C3C41;
    --color-base-1-rgb: 60, 60, 65;
    --color-black-1: #000;
    --color-black-1-rgb: 0, 0, 0;
    --color-black-2: #564E44;
    --color-black-2-rgb: 86, 78, 68;
    --color-black-3: #3A3A3A;
    --color-black-3-rgb: 58, 58, 58;
    --color-white-1: #fff;
    --color-white-1-rgb: 255, 255, 255;
    --color-gray-1: #F0F1F2;
    --color-gray-1-rgb: 240, 241, 242;
    --color-gray-2: #E3E3E3;
    --color-gray-2-rgb: 227, 227, 227;
    --color-gray-3: #999;
    --color-gray-3-rgb: 153, 153, 153;
    --color-gray-4: #F2F3F4;
    --color-gray-4-rgb: 242, 243, 244;
    --color-gray-5: #666;
    --color-gray-5-rgb: 102, 102, 102;
    --color-gray-6: #6D6D6D;
    --color-gray-6-rgb: 109, 109, 109;
    --color-gray-7: #CCCCCE;
    --color-gray-7-rgb: 204, 204, 206;
    --color-gray-8: #939293;
    --color-gray-8-rgb: 147, 146, 147;
    --color-gray-9: #B3B3B3;
    --color-gray-9-rgb: 179, 179, 179;
    --color-theme-1: #F0850C;
    --color-theme-1-rgb: 240, 133, 12;
    --ff-root: "m-plus-1p", sans-serif;
    --ff-poppins: "poppins", serif;
}
@media screen and (max-width: 960px) {
    :root {
        --design-width: 750;
        --contents-width: 702;
        --contents-side-padding: 24;
        --minwidth: 320;
        --fixed-header-height: 120;
        --root-fz: 32;
        --line-height: 1.5;
    }
}

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

/* ---------------------------------------------
*   html, body
--------------------------------------------- */
html:lang(zh-CN) {
    --ff-root: "noto-sans-cjk-jp", sans-serif;
}

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: 960px) {
    html,
    body {
        font-size: calc(var(--root-fz) / var(--design-width) * 100vw);
    }
}

body {
    line-height: var(--line-height);
    transition: opacity 0.3s;
    overflow-wrap: anywhere;
    word-break: normal;
    line-break: strict;
}
@media screen and (max-width: 960px) {
    body {
        min-width: calc(var(--minwidth) * 1px);
    }
}
.wf-loading body {
    opacity: 0;
}

.wf-active body {
    opacity: 1;
}

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

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

.windows p, .windows span, .windows h1, .windows h2, .windows h3, .windows h4, .windows h5, .windows h6, .windows th, .windows td, .windows dt, .windows dd {
    transform: rotate(0.03deg);
}

/* ---------------------------------------------
*   <hr> tag as anchor target
--------------------------------------------- */
hr[id^=anchor-] {
    display: block;
    width: auto;
    height: 0;
    padding: calc(var(--fixed-header-height) * 1px) 0 0 0;
    border: 0;
    margin: calc(var(--fixed-header-height) * -1px) 0 0 0;
    background: 0;
    pointer-events: none;
}