@charset "utf-8";

:root {
  --gap-ss: clamp(5px, 0.17rem + 0.61vw, 10px);
  --gap-s: clamp(10px, 0.398rem + 1.14vw, 20px);
  --gap-m: clamp(20px, 0.795rem + 2.27vw, 40px);
  --gap-l: clamp(30px, 1.989rem + 5.68vw, 60px);

  --color-red: #e43344;
  --color-blue: #004da1;
  --color-dark: #333;
  --color-gray:#999;
  --color-pale-gray:#f6f6f6;
  --color-pale-blue:#e2f5fb;
  --color-light-blue:#00a2e6;

  --color-amd: #e8402a;
  --color-nvidia: #76b900;
}

/*------------------------------------------
基本レイアウト
------------------------------------------*/
html {
  scroll-behavior: smooth;
}

.cpu-gpu{
  position:relative;
  width:100%;
  text-align:center;
}

.cpu-gpu img{
  width:100%;
  object-fit: contain;
}

/*------------------------------------------
共通レイアウト
------------------------------------------*/

/*----------------
セクション
----------------*/

.cont-section {
  padding-block: var(--gap-l);
}

.cont-section:nth-of-type(odd) {
  background: #fff;
}
.cont-section:nth-of-type(even) {
  background: var(--color-pale-gray);
}

.contents-inner {
  width: calc(100% - 30px);
  max-width: 1140px;
  margin-inline: auto;
  text-align:left;
}

.cont-section section + section{
  margin-top: var(--gap-l);
}

/*----------------
ヘッダ・テキスト
----------------*/
.sec-ttl {
  position:relative;
  font-weight: 700;
  font-size: clamp(20px, 1.068rem + 0.91vw, 28px);
  text-align: left;
  color: var(--color-dark);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: var(--gap-s);
  line-height: 1.25;
  padding-left:20px;
}

.sec-ttl::before{
  position:absolute;
  content:'';
  top:0;
  left:0;
  width:0.3em;
  height:100%;
  background: var(--color-blue);
}

.sec-sub-ttl {
  font-weight: 700;
  font-size: clamp(18px, 0.989rem + 0.68vw, 24px);
  color: var(--color-dark);
  margin-bottom: var(--gap-s);
  padding-bottom:0.5em;
  border-bottom:1px solid var(--color-dark);
}

.cont-section .lead-txt {
  line-height: 1.6;
  font-size: clamp(14px, 0.761rem + 0.48vw, 18px);
}

.cont-section p + p,
.cont-section p + ul,
.cont-section ul + ul,
.cont-section ul + p{
  margin-top:var(--gap-ss);
}

/*----------------
ボタン
----------------*/
.cpu-gpu .c-button{
  width:100%;
  padding-right: 16px;
}
.cpu-gpu .c-button::after {
  right: 16px;
}
.cpu-gpu .c-button,
.cpu-gpu .c-button span,
.cpu-gpu .c-button p{
  letter-spacing: 0;
  line-height:1.25;
  font-size:clamp(14px, 0.818rem + 0.24vw, 16px);
}


/*----------------
TABLE
----------------*/
.cont-table{
  width:100%;
  background:#fff;
}

.cont-table th,
.cont-table td{
  padding:0.5em 1em;
  text-align:left;
  vertical-align:middle;
}

.cont-table table th{
  font-weight:700;
}

.cont-table thead th,
.cont-table thead td{
  background:var(--color-gray);
  color:#fff;
}

.cont-table tbody th,
.cont-table tbody td{
  border-top:1px solid var(--color-gray);
}

/*----------------
注意書き
----------------*/
.caution-list{
  font-size:12px;
  line-height:1.2;
}

.caution-list li{
  position:relative;
  padding-left:1.2em;
}

.caution-list li::before{
  position:absolute;
  content:'※';
  top:0;
  left:0;
}

.caution-list li + li{
  margin-top:0.5em;
}

/*--------------------------------
もっと見る
---------------------------------*/
.more-link {
  width: 100%;
  max-width: 600px;
  margin: var(--gap-s) auto 0 auto;
}

/*-------------------------------------
ページトップボタン
---------------------------------------*/
#pagetop a{
  position: fixed;
  border-radius: 50%;
  min-width: 44px;
  min-height: 44px;
  max-width: 60px;
  max-height: 60px;
  background: rgba(0, 0, 0, .4);
  right:15px;
  bottom: 15px;
  z-index: 100;
  width: 12.5vw;
  height: 12.5vw;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity .5s;
  opacity: 1;
}

#pagetop a::after {
  position: absolute;
  content: '';
  width: 30%;
  height: 30%;
  top: 40%;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: translate(-12.5%, 12.5%);
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

#pagetop a:hover{
  background: rgba(0, 0, 0, .7);
}

/*------------------------------------------
KV画像有り
------------------------------------------*/
.section-kv{
  color: #fff;
  padding-block: var(--gap-m);
  background: #333 url(../images/kv-back.webp) no-repeat center center / cover;
}

.kv-wrapper{
  display:flex;
  gap:var(--gap-m);
  align-items: center;
}

.section-kv h1{
  flex:1;
  font-weight: 900;
  line-height: 1.6;
  letter-spacing: 0.05em;
  font-size: clamp(20px, 0.682rem + 2.42vw, 40px);
  filter: 
    drop-shadow(0 0 10px rgba(0, 0, 0, 0.9))
    drop-shadow(0 0 10px rgba(0, 0, 0, 0.9))
    drop-shadow(0 0 20px rgba(0, 0, 0, 0.7))
    drop-shadow(0 0 30px rgba(0, 0, 0, 0.7))
  ;
}

.section-kv .lead-txt {
  position:relative;
  margin-top:var(--gap-s);
  line-height: 1.6;
  font-size: clamp(16px, 0.773rem + 0.97vw, 24px);
  font-weight:600;
  z-index:+1;
}

.kv-img{
  width:30%;
}

.kv-img img {
  filter: 
    drop-shadow(0 0 10px rgba(255, 255, 255, 0.7))
    drop-shadow(0 0 20px rgba(255, 255, 255, 0.7))
    drop-shadow(0 0 30px rgba(255, 255, 255, 0.5))
    drop-shadow(0 0 50px rgba(255, 255, 255, 0.5))
  ;
}

@media screen and (max-width: 767px) {
  .kv-wrapper{
    flex-direction: column;
  }
  .kv-img{
    width:50%;
  }
}

/*------------------------------------------
ナビ
------------------------------------------*/
.nav-box {
  height: 60px;
  background: rgba(0,0,0,0.9);
  position: sticky;
  top: 0;
  left: 0;
  z-index: 50;
}

.nav-box-list {
  width: 100%;
  height: 100%;
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  font-size:clamp(10px, 0.511rem + 0.48vw, 14px);
  border-left: 1px solid #fff;
  border-right: 1px solid #fff;
}

.nav-box-list li {
  flex: 1;
}

.nav-box-list li+li {
  border-left: 1px solid #fff;
}

.nav-box-list li a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.25em;
  width: 100%;
  height: 100%;
  line-height: 1.2;
  text-align: center;
  color: #fff;
  font-weight:500;
}

.nav-box-list li a:hover {
  opacity: 0.7;
  background:linear-gradient(180deg, transparent, var(--color-blue));
}

.fix-anchor {
  scroll-margin-top: 60px;
}

@media screen and (max-width: 767px) {
  .nav-box {
    height: 45px;
  }
  .nav-box-list{
    border: none;
  }
  .fix-anchor {
    scroll-margin-top: 45px;
  }
}


/*------------------------------------------
商品一覧
sec-list
------------------------------------------*/
.product-list{
  position:relative;
  width:100%;
}

/*------------------------------------------
特徴
sec-feature
------------------------------------------*/
.feature-list{
  width:100%;
  display:flex;
  gap:var(--gap-s);
}

.feature-list li{
  flex:1;
  border:1px solid var(--color-gray);
  padding:var(--gap-s);
  border-radius: 2px;
  background:#fff;
}

.spec-table{
  margin-block: var(--gap-s);
  font-size:14px;
  border-bottom:1px solid var(--color-gray);
}
.spec-table th{
  white-space:nowrap;
}

.feature-link{
  font-size:clamp(14px, 0.818rem + 0.24vw, 16px);
}

@media screen and (max-width: 767px) {
  .feature-list{
    flex-direction: column;
  }

  .feature-list li{
    width:100%;
  }
}

/*------------------------------------------
ゲーム性能目安
sec-perf
------------------------------------------*/

/*----------------
解像度ボックス
----------------*/
.performance-wrap{
  width:100%;
  display:flex;
  gap:var(--gap-s);
}

.performance-wrap .score-box{
  width:25%;
  max-width:260px;
  padding:var(--gap-s);
  border:1px solid var(--color-gray);
  border-radius: 2px;
  background:#fff;
}

.score-title{
  font-size:14px;
  font-weight:700;
}
.score-value{
  font-size:36px;
  font-weight:700;
}
.score-note{
  font-size:12px;
}
.performance-wrap .resolution-box{
  flex:1;
}

.performance-wrap .resolution-list{
  display:flex;
  gap:var(--gap-ss);
  margin-bottom:var(--gap-s);
}

.performance-wrap .resolution-list li{
  flex:1;
  padding:var(--gap-s);
  border:1px solid var(--color-gray);
  border-radius: 2px;
  background:#fff;
}

.performance-wrap .resolution-ttl{
  font-size:16px;
  font-weight:700;
}

.performance-wrap .resolution-txt{
  font-size:14px;
}

.resolution-note{
  font-size:12px;
}

@media screen and (max-width: 767px) {
  .performance-wrap{
    flex-direction: column;
  }
  .performance-wrap .score-box{
    width:100%;
    max-width:100%;
  }
  .performance-wrap .resolution-box{
    width:100%;
  }
  .performance-wrap .resolution-list{
    width:100%;
    flex-direction: column;
  }
  .performance-wrap .resolution-list li{
    width:100%;
  }
}

/*----------------
スコアグラフ
----------------*/
.comparison-list{
  margin-top:var(--gap-m);
  display:flex;
  gap:var(--gap-s);
}
.comparison-list li{
  flex:1;
}

.comparison-table{
  font-size:clamp(12px, 0.693rem + 0.24vw, 14px);
  border:1px solid var(--color-gray);
}

.comparison-table th{
  white-space: nowrap;
}

.comparison-table thead th{
  text-align:center;
}

.comparison-table tbody th{
  width:40%;
}
.comparison-table td.num{
  width:10%;
  white-space: nowrap;
  text-align:right;
}
.comparison-table td.ratio{
  width:50%;
}

.ratio-bar{
  display:flex;
  align-items: center;
  gap:6px;
}

.ratio-bar .bar {
  display:block;
  content:'';
  height: 8px;
  border-radius: 1px;
  background: var(--color-blue);
}

.comparison-table .c-link--blue{
  color:var(--color-blue);
  border-color:var(--color-blue);
}

.comparison-note{
  margin-top:5px;
  font-size:80%;
  background:var(--color-blue);
  padding:0.3em 1em;
  border-radius:5px;
  color:#fff;
  width:fit-content;
}

.comparison-table tr:has(.comparison-note) th,
.comparison-table tr:has(.comparison-note) td{
  background:var(--color-pale-blue);
}

@media screen and (max-width: 767px) {
  .comparison-list{
    flex-direction: column;
  }
  .comparison-list li{
    width:100%;
  }
}

/*------------------------------------------
選び方
sec-choose
------------------------------------------*/
.link-list{
  width:100%;
  display:flex;
  gap:var(--gap-m);
  margin-top:var(--gap-s);
}

.link-list li{
  width:calc((100% - var(--gap-s)) / 2);
}

@media screen and (max-width: 767px) {
  .link-list li:only-child {
    width:100%;
  }
}

/*------------------------------------------
メリット
sec-merit
------------------------------------------*/
.merit-list{
  display:flex;
  gap:var(--gap-s);
}

.merit-list li{
  flex:1;
  padding:var(--gap-s);
  background:var(--color-pale-gray);
}

.cont-section:nth-of-type(even) .merit-list li{
  background:#fff;
}

.merit-ttl{
  font-weight:700;
  font-size:clamp(16px, 0.943rem + 0.24vw, 18px);
  margin-bottom:var(--gap-ss);
}

.merit-txt{
  font-size:clamp(14px, 0.818rem + 0.24vw, 16px);
  line-height:1.4;
}

@media screen and (max-width: 767px) {
  .merit-list{
    flex-direction: column;
  }
}

/*------------------------------------------
ゲーム性能目安
anchor-faq
------------------------------------------*/
.faq-list{
  width:100%;
  counter-reset: faq-counter; 
}

.faq-list > li {
  counter-increment: faq-counter; 
  border-bottom:1px dotted #c8c8c8;
}
.faq-list > li:first-child{
  border-top:1px dotted #c8c8c8;
}

.faq-list > li details[open]{
  padding-bottom:var(--gap-s);
}

.faq-list > li summary {
  list-style: none;
  display: block;
  position:relative;
  padding:var(--gap-s) 3em var(--gap-s) 0;
  font-size:clamp(14px, 0.818rem + 0.24vw, 16px);
  font-weight:700;
  cursor:pointer;
}
.faq-list > li details[open] summary {
  padding-bottom:calc(var(--gap-s) / 2);
}

.faq-list > li summary::-webkit-details-marker {
  display:none;
}
.faq-list > li summary::before{
  position:absolute;
  content:'';
  top:calc(50% - 1px);
  right:0;
  background:var(--color-blue);
  width:1em;
  height:2px;
}
.faq-list > li summary::after{
  position:absolute;
  content:'';
  top:calc(50% - 0.5em);
  right:calc(0.5em - 1px);
  background:var(--color-blue);
  width:2px;
  height:1em;
  transition: all 0.3s;
}
.faq-list > li details[open] summary::after{
  transform: rotate(90deg);
  transition: 0.3s all;
}

.faq-list > li summary p {
  position:relative;
  padding-left:3em;
}

.faq-list > li summary p::before {
  position:absolute;
  left:0;
  top:0;
  color:var(--color-blue);
  font-weight:700;
  content: "Q." counter(faq-counter); 
}

.faq-cont{
  background: #f6f6f6;
  border-radius: 2px;
  padding:var(--gap-s);
  font-size:clamp(12px, 0.636rem + 0.48vw, 16px);
  line-height:1.6;
}

.cont-section:nth-of-type(even) .faq-cont{
  background:#fff;
}

/*------------------------------------------
関連ページ
anchor-related
------------------------------------------*/
/*---------------------
ほかの組み合わせを見る
related-comparison-list
---------------------*/
.related-combi-list{
  display:grid;
  grid-template-columns: repeat(3,1fr);
  gap: var(--gap-s);
}

.related-combi-list li a{
  display:block;
  width:100%;
  height:100%;
  position:relative;
  padding:var(--gap-s);
  border:1px solid var(--color-gray);
  border-radius: 2px;
  background:#fff;
}

.related-combi-list li a:hover{
  border: 1px solid var(--color-light-blue);
  filter: drop-shadow(5px 5px 5px rgba(0, 162, 230, 0.1));
}

.related-combi-list .combi-cap{
  font-size:clamp(12px, 0.693rem + 0.24vw, 14px);
  line-height:1.4;
}

.related-combi-list .combi-ttl{
  font-weight:700;
  font-size:clamp(16px, 0.943rem + 0.24vw, 18px);
}


@media screen and (max-width: 767px) {
  .related-combi-list{
    grid-template-columns: repeat(1,1fr);
  }
}

/*---------------------
GPU・CPU性能比較
related-comparison-list
---------------------*/
.related-comparison-list{
  width:100%;
  display:flex;
  gap: var(--gap-s);
}

.related-comparison-list li{
  flex:1;
}

.related-comparison-list li a{
  width:100%;
  height:100%;
  display:flex;
  flex-direction: column;
}

.related-comparison-list li a:hover img{
  -webkit-animation-duration: 1s;
  -webkit-animation-name: flash;
  animation-name: hover-flash;
  animation-duration: 1s;
  opacity: 1;
}