/*
    出し方例：
    h1{
        color: var(--main-color);
    }

    button{
        background: var(--accent-color);
    }
*/

:root{
    --rad: 4px;
    --shadow: 0 4px 4px -2px rgba(0, 0, 0, .6);

    /* Base Color */

    --red: #f21533;
    --navy: #0b3fb9;
    --pink: #BA2555;
    --bronze: #9c110a;
    --green: #279c46;
    --ora: #ffb404;
    --purple: #410c76;

    --pale: #e550c9;
    --pal-pale: #FBE8F8;
    --sha-pale: 0 2px 4px -2px #B11A95;
    --mil-pale: #F1A6E3;

    --blue: #283adc;
    --pal-blue: #E9EAFB;

    --sky: #149bc8;
    --pal-sky: #E7F7FC;
    --sha-sky: 0 2px 4px -2px #0B526A;
    --mid-sky: #26B7E8;
    --mil-sky: #54C6ED;

    --gold: #796512;
    --pal-gold: #FBF7E8;
    --sha-gold: 0 2px 4px -2px #1F1904;
    --mid-gold: #A48818;
}

/* common.css */

*{
    margin: 0;
    padding: 0;
    line-height: 1.8;
    font-size: 14px;
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;
    letter-spacing: .005em;
    list-style: none;
    font-weight: 400;
    text-decoration: none;
    border-collapse: collapse;
    vertical-align: baseline;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
}

@media screen and (min-width:  321px){
    *{
        font-size: 15px;
    }
}

html{
    -webkit-text-size-adjust: 100%;
}

body{
    width: 100%;
    margin: 0 auto;
}

body{
    background-color: #ffffff;
    background-image:
        linear-gradient(rgba(120, 170, 225, .28) 1px, transparent 1px),
        linear-gradient(90deg, rgba(120, 170, 225, .28) 1px, transparent 1px),
        linear-gradient(rgba(120, 170, 225, .12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(120, 170, 225, .12) 1px, transparent 1px);
    background-size: 40px 40px, 40px 40px, 10px 10px, 10px 10px;
    background-position: 0 0, 0 0, 0 0, 0 0;
}

.flex{
    padding: 0 .5em;
}

aside{
    padding: .5em 0;
}

main{
    background-color: #fff;
    padding: 0;
    border-radius: var(--rad);
    box-shadow: var(--shadow);
}

.related-post{
    margin-top: 2em;
}

footer{
    margin-top: 1em;
    padding: 1em .5em;
}

@media screen and (min-width: 767px){
    footer{
        margin-top: 2em;
    }
}

@media screen and (min-width: 1181px){
    .flex{
        margin-top: 1em;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
        max-width: 1300px;
        columns: 2;
        display: flex;
        flex-direction: row;
        gap: 1em;
    }

    .post{
        width: 68%;
        min-width: 500px;
        flex-grow: 1;
    }

    aside{
        min-width: 267px;
        max-width: 421px;
        padding: 0 0 1em 0;
    }

    .footer-in{
        width: 100%;
        max-width: 1300px;
        margin: 0 auto;
        padding: 0;
    }

}

.outside{
    padding: 0 .5em;
}

@media screen and (min-width: 767px){
    .outside{
        padding: 0 1.5em;
    }

    article .outside{
        padding: 0 3em;
    }
}


.nav-links .prev,
.nav-links .next,
.nav-links .prev.page-numbers,
.nav-links .next.page-numbers{
    display: none !important;
}

.content > p > a{
    text-decoration: underline 1px;
    text-underline-offset: .35em;
}

@media screen and (min-width: 1181px){
    .content > p > a{
        text-decoration-color: transparent;
        transition: all .2s;
    }

    .content > p > a:hover{
        text-decoration-color: inherit;
        text-decoration-style: solid;
    }
}

form > p,
figure,
table{
    margin: 1em 0;
}

.content ul,
.content ol,
.content dl{
    margin: 2em 0 1em;
}

.content > p{
    margin: 1em 0;
    padding: 0 1em;
}

@media screen and (min-width: 767px){
    .content > p{
        margin-top: 2em;
        padding: 0 2em;
    }

    .content p + p{
        margin-top: 1em;
    }

    figure,
    table{
        margin: 2em 0;
    }
}

input{
    outline: none;
    padding: .25em .5em;
    border: 2px #ccc solid;
    border-radius: 2px;
    transition: .2s;
}

img{
    max-width: 100%;
    height: auto;
    pointer-events: none;
    line-height: 1;
}

figure{
    line-height: 1;
    position: relative;
}

figure.gray img{
    border: 1px #ddd solid;
}

figcaption{
    margin-top: .25em;
    caption-side: bottom;
    text-align: center;
    display: block;
}

figcaption a{
    font-size: inherit;
}

.right{
    text-align: right !important;
}

.center{
    text-align: center !important;
}

mark{
    position: relative;
    background: none;
    transition: background-size 1s ease-out;
    background-repeat: no-repeat;
    background-size: 0% 100%;
}

mark.is-visible{
    background-size: 100% 100%;
}

.content iframe{
    width: 100%;
    padding: 0;
    margin-top: 1em;
}

@media screen and (min-width: 767px){
    .content iframe{
        margin-top: 2em;
    }
}

@media screen and (min-width: 767px){
    .grids{
        display: grid;
        grid-template-columns: repeat(2, minmax(0,1fr));
        gap: 0;
    }

    .grids3{
        display: grid;
        grid-template-columns: repeat(3, minmax(0,1fr));
        gap: 0;
    }

    .grids4{
        display: grid;
        grid-template-columns: repeat(4, minmax(0,1fr));
        gap: 0;
    }

    .grids24{
        display: grid;
        grid-template-columns: repeat(2, minmax(0,1fr));
        gap: 0;
    }

}

@media screen and (min-width: 1181px){
    .grids24{
        grid-template-columns: repeat(4, minmax(0,1fr));
    }
}

ruby rt{
    font-size: .5em;
}

figcaption{
    font-size: .8em;
}

nav.breadcrumb a,
nav.breadcrumb .cp-inline-icon{
    font-size: .9em;
}

@media screen and (min-width: 767px){
    figcaption{
        font-size: .9em;
    }
}

p.copyright,
footer h2{
    font-family: "Trebuchet MS", sans-serif;
}

h4.sub-headline{
    color: #fff;
    background-color: #333;
    font-weight: bold;
    padding: 1.5em 1px !important;
    text-align: center;
    position: relative;
}

@media screen and (min-width: 767px){
    .sub-headline{
        padding: 1.25em 1px;
    }
}

.post-info .sub-headline{
    background-color: var(--gold);
}

.cp-related-wrap{
    background-color: #fff;
    overflow: hidden;
}

.cp-related-wrap .sub-headline{
    background-color: var(--bronze);
    padding: calc(.75em + 4px) 0;
}

.cp-related-wrap ol{
    padding: 1em .5em;
}

@media screen and (min-width: 767px){
    .cp-related-wrap ol{
        padding: 1.5em 1em;
    }
}

.cp-related-wrap ol li{
    border-width: 4px;
}


section.wpp-aside .sub-headline{
    background-color: var(--gold);
}

.toc-aside{
    border-color: var(--navy);
}

aside .cp-toc-title{
    background-color: var(--navy);
}

header{
    margin: 1em auto .5em;
    text-align: center;
}

.site-meta{
    display: block;
    text-align: center;
}

/* 3_header.css の .site-meta a と .site-meta a::first-letter を削除して、これに置換 */
.site-meta a{
    display: inline-flex;
    align-items: center;
    font-size: 1.5em;
    text-transform: uppercase;
}

.site-meta .site-initial{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 0;
    top: -2px;
    font-size: 1em;
    width: 1.25em;
    height: 1.25em;
    line-height: 1.25em;
    color: #fff;
    -webkit-text-fill-color: #fff;
    font-family: "Trebuchet MS", sans-serif;
    margin-right: 8px;
}

.site-meta .site-initial::before{
    content: "";
    position: absolute;
    border-radius: 4px;
    inset: 0;
    background: linear-gradient(90deg, #5b75d0, #d54a68);
    transform: rotate(45deg);
    z-index: -1;
}

.site-meta .site-rest{
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1em;
    background: linear-gradient(90deg, #4564d4, #cb4864);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    font-weight: bold;
    text-decoration: underline 1px;
    text-underline-offset: 4px;
}

.site-meta a::first-letter{
    font-style: italic;
    background-color: #7c88b4;
    color: #fff;
    -webkit-text-fill-color: #fff; /* これが必要 */
    padding: 1.5em;
    font-size: 3em;
    border-radius: 50%;
}

@media screen and (min-width: 1180px){
    header{
        margin: 1em 0 0;
        padding: 0 2em;
        text-align: center;
        max-width: 1300px;
        margin-left: auto;
        margin-right: auto;
    }

    .site-meta a{
        font-size: 2em;
    }
}

div.sticky{
    top: 1.5em;
    position: sticky;
}

aside section{
    margin-top: 2em;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow);
}


.search-aside h4{
    background-color: var(--purple);
}

footer h2{
    line-height: 1;
    display: block;
    text-align: center;
    color: #fff;
    margin: .5em 0 1.5em;
    font-size: 1.2em;
}

@media screen and (min-width: 767px){
    footer h2{
        margin: .75em 0 1em;
    }
}

footer section{
    margin-top: 1em;
    padding: 1em 1em 1.5em;
    border-radius: 4px;
    box-shadow: var(--shadow);
}

@media screen and (min-width: 767px){
    footer section{
        margin-top: 1em;
        padding: 1.5em 1em 2.5em;
    }

    .footer-items{
        display: flex;
        gap: 1em;
        padding: 0 .5em;
        flex-wrap: wrap;
    }

    footer section{
        flex: 1 1 420px;
        min-width: 320px;
        box-sizing: border-box;
    }
}

footer h3{
    margin: 0 auto 1em;
    position: relative;
    padding: .5em .5em 1em;
    text-align: center;
    line-height: 1;
    font-family: "Trebuchet MS", sans-serif;
}

footer h3::after{
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 100px;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, #b8c7ff, #ffb8c7);
    transform: translateX(-50%);
}

@media screen and (min-width: 767px){
    footer h3{
        margin-bottom: 1.5em;
    }
}

footer section p{
    font-size: .9em;
}

footer section li{
    font-size: .9em;
}

footer section p a,
footer section li a{
    font-size: inherit;
}

div.footer-items section div.grids{
    gap: 0;
}

@media screen and (min-width: 767px){
    div.footer-items section div.grids{
        padding: 0 1em;
        gap: 0 1em;
    }
}

.site-info ul{
    margin-top: 2em;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1em;
}

.site-info li{
    text-align: center;
}

.site-info li a{
    display: block;
    color: #fff;
    font-size: .9em;
}

.site-info li:nth-child(2n) a{
    border-left: 1px pink solid;
}

@media (min-width:767px){
    .site-info{
        padding: 0 1.5em;
    }

    .site-info ul{
        width: fit-content;
        margin: 2em auto 0;
        grid-template-columns: repeat(4, auto);
        gap: 0;
        justify-content: center;
        align-items: center;
    }

    .site-info li{
        position: relative;
        padding: 0 1.5em;
    }

    .site-info li:not(:last-child)::after{
        content: "";
        position: absolute;
        top: 50%;
        right: 0;
        width: 1px;
        height: 1.2em;
        background: pink;
        transform: translateY(-50%);
    }

    .site-info li:nth-child(2n) a{
        border-left: none;
    }
}

p.okotowari{
    margin: .5em 0;
    font-size: .8em;
    text-align: center;
}

p.okotowari span{
    font-size: .9em;
    margin-right: .5em;
    background-color: rgba(237, 54, 109, 1);
    color: #fff;
    padding: .2em .5em;
}

p.copyright{
    margin: 1em 0;
    text-align: center;
}

footer p.copyright,
footer p.copyright *{
    color: #fff;
}


/* -------------------------
   Categories（ここが要点）
   - SPは縦並び（marginで間隔）
   - 767px以上は .grids が grid(2列) になる（0_basis.css）
     → displayは上書きせず、gapだけ上書きして2段組を維持
------------------------- */

ul.categories li{
    --cat-accent: #000000;
    --cat-icon: none;
    --cat-icon-left: .5em;
    --cat-icon-size: 2.5em;
    --cat-mask-size: 1.6em;
    position: relative;
    margin: 0 0 .5em;
    width: 100%;
    padding: 0;
}

@media (min-width: 767px){
    ul.categories.grids4{
        gap: .5em;
    }

    ul.categories li{
        --cat-icon-left: 1em;
        margin: 0;
        padding: .25em .5em;
        border-right: 1px #deeaef solid;
    }

    ul.categories li:nth-child(2n){
        border-right: none;
    }
}

@media screen and (min-width: 1181px){
    ul.categories li:nth-child(2n){
        border-right: 1px #deeaef solid;
    }

    ul.categories li:nth-child(4n){
        border-right: none;
    }
}

ul.categories li::before,
ul.categories li::after{
    content: "";
    position: absolute;
    top: 50%;
    left: var(--cat-icon-left);
    width: var(--cat-icon-size);
    height: var(--cat-icon-size);
    transform: translateY(-50%);
    pointer-events: none;
    box-sizing: border-box;
}

ul.categories li::before{
    border: 1px solid transparent;
    border-radius: 50%;
    opacity: 0;
    z-index: 3;
    clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
}

ul.categories li::after{
    border-radius: 50%;
    opacity: 0;
    z-index: 4;
    background-color: var(--cat-accent);
    clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
    -webkit-mask-image: var(--cat-icon);
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: var(--cat-mask-size) var(--cat-mask-size);
    mask-image: var(--cat-icon);
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: var(--cat-mask-size) var(--cat-mask-size);
}

ul.categories li a{
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    box-sizing: border-box;
    min-height: 3.5em;
    padding: .5em .5em .5em 3.5em;
}

ul.categories li a::before,
ul.categories li a::after{
    content: "";
    position: absolute;
    top: 50%;
    left: .5em;
    width: var(--cat-icon-size);
    height: var(--cat-icon-size);
    transform: translateY(-50%);
    pointer-events: none;
    box-sizing: border-box;
}

ul.categories li a::before{
    background-color: var(--cat-accent);
    border: 1px solid transparent;
    border-radius: 50%;
    z-index: 1;
    transition:
        background-color .25s ease,
        border-color .25s ease;
}

ul.categories li a::after{
    background-color: #ffffff;
    z-index: 2;
    -webkit-mask-image: var(--cat-icon);
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: var(--cat-mask-size) var(--cat-mask-size);
    mask-image: var(--cat-icon);
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: var(--cat-mask-size) var(--cat-mask-size);
}

ul.categories li a .cat-name{
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 1em;
}

ul.categories li a .cat-count{
    flex-shrink: 0;
    margin-left: .75em;
    white-space: nowrap;
    margin-right: .5em;
    font-size: .9em;
}

ul.categories li.cat-item-ns{
    --cat-accent: #e91414;
    --cat-icon: url("../assets/icon/console/ns.svg");
}

ul.categories li.cat-item-fc{
    --cat-accent: #4804ad;
    --cat-icon: url("../assets/icon/console/fc.svg");
}

ul.categories li.cat-item-sfc{
    --cat-accent: #dd2828;
    --cat-icon: url("../assets/icon/console/sfc.svg");
}

ul.categories li.cat-item-pce{
    --cat-accent: #7a4891;
    --cat-icon: url("../assets/icon/console/pce.svg");
}

ul.categories li.cat-item-vb{
    --cat-accent: #bf6606;
    --cat-icon: url("../assets/icon/console/vb.svg");
}

ul.categories li.cat-item-3ds{
    --cat-accent: #0a829b;
    --cat-icon: url("../assets/icon/console/3ds.svg");
}

ul.categories li.cat-item-dc{
    --cat-accent: #5e0198;
    --cat-icon: url("../assets/icon/console/dc.svg");
}

ul.categories li.cat-item-ps{
    --cat-accent: #032eca;
    --cat-icon: url("../assets/icon/console/ps.svg");
}

ul.categories li.cat-item-ps2{
    --cat-accent: #b11313;
    --cat-icon: url("../assets/icon/console/ps2.svg");
}

ul.categories li.cat-item-ps3{
    --cat-accent: #1c5d06;
    --cat-icon: url("../assets/icon/console/ps3.svg");
}

ul.categories li.cat-item-ps4{
    --cat-accent: #2d0688;
    --cat-icon: url("../assets/icon/console/ps4.svg");
}

ul.categories li.cat-item-ps5{
    --cat-accent: #2c2727;
    --cat-icon: url("../assets/icon/console/ps5.svg");
}

ul.categories li.cat-item-ns2{
    --cat-accent: #6d035a;
    --cat-icon: url("../assets/icon/console/ns2.svg");
}

ul.categories li.cat-item-n64{
    --cat-accent: #c82778;
    --cat-icon: url("../assets/icon/console/n64.svg");
}

ul.categories li.cat-item-wii{
    --cat-accent: #5c0677;
    --cat-icon: url("../assets/icon/console/wii.svg");
}

ul.categories li.cat-item-wiiu{
    --cat-accent: #08a55e;
    --cat-icon: url("../assets/icon/console/wiiu.svg");
}

ul.categories li.cat-item-ss{
    --cat-accent: #213bad;
    --cat-icon: url("../assets/icon/console/ss.svg");
}

ul.categories li.cat-item-gc{
    --cat-accent: #5b068f;
    --cat-icon: url("../assets/icon/console/gc.svg");
}

ul.categories li.cat-item-fcd{
    --cat-accent: #0d1076;
    --cat-icon: url("../assets/icon/console/fcd.svg");
}

ul.categories li.cat-item-gb{
    --cat-accent: #4e4646;
    --cat-icon: url("../assets/icon/console/gb.svg");
}

ul.categories li.cat-item-gba{
    --cat-accent: #ad340c;
    --cat-icon: url("../assets/icon/console/gba.svg");
}

ul.categories li.cat-item-gbc{
    --cat-accent: #139209;
    --cat-icon: url("../assets/icon/console/gbc.svg");
}

ul.categories li.cat-item-ds{
    --cat-accent: #6c6565;
    --cat-icon: url("../assets/icon/console/ds.svg");
}

ul.categories li.cat-item-md{
    --cat-accent: #47077f;
    --cat-icon: url("../assets/icon/console/md.svg");
}

ul.categories li.cat-item-n3ds{
    --cat-accent: #095b3d;
    --cat-icon: url("../assets/icon/console/n3ds.svg");
}

ul.categories li.cat-item-psp{
    --cat-accent: #0a4f75;
    --cat-icon: url("../assets/icon/console/psp.svg");
}

ul.categories li.cat-item-vita{
    --cat-accent: #081e6d;
    --cat-icon: url("../assets/icon/console/vita.svg");
}

@media screen and (min-width: 767px){
    ul.categories li:hover a::before{
        background-color: #ffffff;
        border-color: var(--cat-accent);
    }

    ul.categories li:hover::before{
        opacity: 1;
        border-color: var(--cat-accent);
        animation: footer_cat_icon_diagonal .25s ease forwards;
    }

    ul.categories li:hover::after{
        opacity: 1;
        animation: footer_cat_icon_diagonal .25s ease forwards;
    }
}

@keyframes footer_cat_icon_diagonal{
    0%{
        clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
    }

    100%{
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
}

*{
    color: #444;
}

main,
aside section,
.footer-items > section,
.post-card{
    background-color: #fff;
}

footer{
    background-color: rgba(0, 0, 0, .8);
}

footer section p a{
    color: var(--pink);
}

aside div.wpp ol li:last-child a span{
    color: var(--pink);
}

aside div.wpp ol li:last-child a span span{
    color: var(--blue);
}

aside h3{
    color: #fff;
    font-weight: bold;
}

aside .cp-level-2 > a .cp-toc-num,
aside .cp-level-3 > a .cp-toc-num{
    background: var(--pal-blue);
    color: var(--blue);
}

aside .cp-toc-item > a.active .cp-toc-num,
aside .cp-toc-item.active-range > a .cp-toc-num{
    background-color: var(--red);
    color: #fff;
}

footer h6 span{
    background-color: var(--pal-gold);
    color: var(--gold);
}

aside section h3 span,
.wpp h3 span{
    color: inherit;
}