@charset "utf-8";

html {
  scroll-behavior: smooth;
}

.content-container {
  container-name: content-container;
  container-type: inline-size;
  font-size: 15px;
  line-height: 1.6;
  --color-main: #3b335f;
  --color-accent: #f6be2c;
  padding-bottom: 32px;
}

.content-container *,
.content-container *::before,
.content-container *::after {
  box-sizing: border-box;
}

.content-container img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
  object-fit: contain;
}

.content-container a:hover {
  text-decoration: none;
}

/* ========================================
   header
   ======================================== */
.content-container header {
  height: auto;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: url(../img/head.jpg) center right / contain  no-repeat, #000104;
  color: #fff;
}

.content-container .ttl-header p {
  font-size: 13px;
}

.content-container .ttl-header h2 {
  margin: 0.2em 0;
  font-size: 40px;
  font-weight: bold;
  line-height: 1;
  font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
}

.content-container .lead {
  margin-bottom: 8px;
  line-height: 1.7;
  width: 68%;
}

.content-container .wrap-service {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.content-container .box-service {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0 8px;
  font-size: 13px;
  line-height: 1.6;
}

.content-container .box-service img {
  grid-row: 1 / 3;
  width: 50px;
  aspect-ratio: 1 / 1;
  padding: 8px;
  background: var(--color-main);
  border-radius: 50%;
}

.content-container .ttl-service {
  margin-top: auto;
  font-weight: bold;
  font-size: 14px;
}

/* ========================================
   section common
   ======================================== */
.content-container .sec {
  max-width: 1260px;
  margin-top: 40px;
  margin-inline: auto;
  padding-inline: 16px;
  background: #fff;
}

.content-container .ttl-sec {
  margin-bottom: 16px;
  font-weight: bold;
  font-size: 23px;
  line-height: 1.6;
}

.content-container .disc-sec {
  margin-block: -14px 16px;
  color: #666;
}

.content-container .ttl-sec span {
  font-weight: bold;
}

.content-container .ttl-sub {
  margin: 24px 0 12px;
  color: var(--color-main);
  font-weight: bold;
  font-size: 17px;
}

.content-container  .cta-btn {
  display: inline-block;
  padding: .3em 1em;
  padding-right: 2em;
  border-radius: 5px;
  border: 1px solid var(--color-main);
  color: var(--color-main);
  background: #FFF;
  position: relative;
  &::after {
    /*content: " >";*/
    content: "";
    position: absolute;
    right: 1em;
    top: 50%;
    width: .5em;
    height: .5em;
    border-right: 2px solid var(--color-main);
    border-top: 2px solid var(--color-main);
    transform: translateY(-50%) rotate(45deg);
    margin-left: 1em;
  }
  &:hover {
    /*opacity: 0.7;*/
    text-decoration: none;
    color: #FFF;
    background: var(--color-main);
    &::after {
      border-color: #FFF;
    }
  }
}

.content-container .wrap-ttl-sec {
  display: flex;
  justify-content: space-between;
  align-items: center;
  .cta-btn { margin-bottom:16px;}
}


/* ========================================
   用途から選ぶ（チップ）
   ======================================== */
.content-container ul.list-usage {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 0;
}

.content-container ul.list-usage li {
  list-style: none;
}

.content-container ul.list-usage li a {
  display: grid;
  justify-items: center;
  padding: 9px 20px;
  background: #00000010;
  border-radius: 50px;
  color: #333;
  font-weight: bold;
  font-size: 14px;
  transition: background-color 0.3s;
}

.content-container ul.list-usage li a img {
  width: 50px;
  margin-bottom: .3em;
}

.content-container ul.list-usage li a:hover {
  background: var(--color-main);
  color: #fff;
}

.content-container ul.list-usage li a:hover img {
  filter: invert(1);
}

/* ========================================
   タイプ・仕様から選ぶ
   ======================================== */
.content-container ul.list-type {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 0;
}

.content-container ul.list-type li {
  list-style: none;
}

.content-container ul.list-type li a {
  height: 100%;
  display: grid;
  justify-items: center;
  padding: 9px 20px;
  background: #00000010;
  border-radius: 25px;
  color: #333;
  font-weight: bold;
  font-size: 14px;
  transition: background-color 0.3s;
}

.content-container ul.list-type li a span {
  font-weight: normal;
  font-size: 12px;
  padding: 6px 12px;
}
.content-container ul.list-type li a img {
  width: 50px;
  margin-block: .5em .3em;
}

.content-container ul.list-type li a:hover {
  background: var(--color-main);
  color: #fff;
}

.content-container ul.list-type li a:hover img {
  filter: invert(1);
}

/* ========================================
   ブランドから選ぶ
   ======================================== */
.content-container .wrap-brands {
  display: grid;
  width: 100%;
  gap: 16px;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
}

.content-container .box-brands a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  gap: 4px;
  padding: 16px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.2);
}

.content-container .box-brands a:hover {
  background: #f3f3f3;
  text-decoration: none;
}

.content-container .box-brands img {
  width: 100%;
  max-width: 180px;
  max-height: 58px;
  /* aspect-ratio: 170 / 70; */
}

/* ========================================
   価格帯タブ
   ======================================== */
@keyframes showTab {
  from { opacity: 0; }
  to { opacity: 1; }
}

.content-container .wrap-tab input {
  display: none;
}

.content-container .wrap-tab .tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, 160px);
  gap: 10px;
}

.content-container .wrap-tab .tabs label {
  padding: 10px 0;
  border: 1px solid #aaa;
  border-radius: 8px;
  text-align: center;
  font-weight: bold;
  font-size: 14px;
  cursor: pointer;
  transition: .4s;
}

.content-container .wrap-tab .tabs label:hover {
  background: #eee;
}

.content-container .wrap-tab .tab-content {
  display: none;
  margin-top: 16px;
}

#tab-radio-1:checked ~ .tabs #tab-label-1,
#tab-radio-2:checked ~ .tabs #tab-label-2,
#tab-radio-3:checked ~ .tabs #tab-label-3,
#tab-radio-4:checked ~ .tabs #tab-label-4 {
  background: var(--color-main);
  color: #fff;
  cursor: default;
}

#tab-radio-1:checked ~ #tab-content-1,
#tab-radio-2:checked ~ #tab-content-2,
#tab-radio-3:checked ~ #tab-content-3,
#tab-radio-4:checked ~ #tab-content-4 {
  display: block;
  animation: showTab .4s;
}

.content-container .list-ranking {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 15px;

  /*@container content-container (max-width: 900px) {
    grid-template-columns: repeat(3, 1fr);
  }
  @container content-container (max-width: 600px) {
    grid-template-columns: repeat(2, 1fr);
  }
  @container content-container (max-width: 400px) {
    grid-template-columns: repeat(1, 1fr);
  }*/
}

.content-container .list-ranking li {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.2);
}

.content-container .list-ranking li + li {
  border-top: 1px solid #eee;
}

.content-container .list-ranking li a {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  padding: 8px;
  color: #444;
}

.content-container .list-ranking li a:hover {
  background: #f3f3f3;
}

.content-container .rank {
  position: relative;
  margin-right: auto;
}

.content-container .rank span {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 24px;
  height: 32px;
  background: #888;
  color: #fff;
  font-weight: bold;
  font-size: 18px;
}

.content-container .list-ranking li:nth-child(1) .rank span {
  background: #f5b000;
}

.content-container .list-ranking li:nth-child(2) .rank span {
  background: #bfc8d2;
}

.content-container .list-ranking li:nth-child(3) .rank span {
  background: #d78353;
}

.content-container .list-ranking .img {
  width: 160px;
  margin-top: -15px;
  margin-bottom: .5em;
}

.content-container .list-ranking .maker {
  font-size: 13px;
}
.content-container .list-ranking .name {
  color: var(--color-main);
  font-weight: bold;
  font-size: 16px;
  line-height: 1.4;
}

/* ========================================
   比較表
   ======================================== */
/*.content-container .wrap-table-scroll {
  padding: 12px;
  margin: -12px;
  overflow-x: auto;
}*/

.content-container .table-wrap {
  border: 1px solid #eee;
  border-radius: 10px;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.2);
}
.content-container .tbl-compare {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

.content-container .tbl-compare th {
  padding: .7em 1.2em;
  background: #f3f4f5;
  text-align: left;
  font-weight: bold;
}

.content-container .tbl-compare td {
  padding: .7em 1.2em;
  border-bottom: 1px solid #eee;
}

.content-container .tbl-compare .type-name {
  color: var(--color-main);
  font-weight: bold;
  white-space: nowrap;
}

.content-container .tbl-compare .stars-txt {
  color: #f7b500;
  letter-spacing: 1px;
  white-space: nowrap;
}

.content-container .table-note {
  margin: 10px 10px 0;
  font-size: 13px;
  color: #333;
}
/* rating stars（レビュー用） */
.content-container .stars {
  position: relative;
  width: calc(var(--star-size) * 5 + var(--star-gap) * 4);
  height: var(--star-size);
  margin: 4px 0;
  --rating: 0;
  --star-size: 18px;
  --star-gap: 0px;
}

.content-container .stars::before,
.content-container .stars::after {
  content: "";
  position: absolute;
  inset: 0;
  background-repeat: repeat-x;
  background-size: calc(var(--star-size) + var(--star-gap)) var(--star-size);
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor"><path d="M12 .8l3.1 6.3 6.9 1-5 4.9 1.2 6.9L12 16.8 5.8 20l1.2-6.9-5-4.9 6.9-1z"/></svg>');
}

.content-container .stars::before {
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23d4d4d4"><path d="M12 .8l3.1 6.3 6.9 1-5 4.9 1.2 6.9L12 16.8 5.8 20l1.2-6.9-5-4.9 6.9-1z"/></svg>');
}

.content-container .stars::after {
  width: calc(var(--rating) / 5 * 100%);
  overflow: hidden;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23f7b500"><path d="M12 .8l3.1 6.3 6.9 1-5 4.9 1.2 6.9L12 16.8 5.8 20l1.2-6.9-5-4.9 6.9-1z"/></svg>');
}
/* ========================================
   イヤホンアクセサリー
   ======================================== */
.content-container ul.list-accessories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 0;
}

.content-container ul.list-accessories li {
  list-style: none;
}

.content-container ul.list-accessories li a {
  display: grid;
  height: 100%;
  justify-items: center;
  padding: 9px 20px;
  background: #00000010;
  border-radius: 25px;
  color: #333;
  font-weight: bold;
  font-size: 14px;
  transition: background-color 0.3s;
}

.content-container ul.list-accessories li a span {
  font-weight: normal;
  font-size: 12px;
  padding: 6px 12px;
}
.content-container ul.list-accessories li a img {
  width: 50px;
  margin-block: .5em .3em;
}

.content-container ul.list-accessories li a:hover {
  background: var(--color-main);
  color: #fff;
}

.content-container ul.list-accessories li a:hover img {
  filter: invert(1);
}

/* ========================================
   商品レビュー
   ======================================== */
.content-container .wrap-review {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.content-container .box-review {
  display: flex;
}

.content-container .box-review a,
.content-container .box-review .no-link {
  width: 100%;
  padding: 16px;
  border-radius: 8px;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.2);
  color: #444;
}

.content-container .box-review a:hover {
  background: #f3f3f3;
}

.content-container .box-review .label span {
  display: inline-block;
  padding: 4px 8px;
  background: var(--color-main);
  border-radius: 8px;
  color: #fff;
  font-size: 12px;
}

.content-container .box-review .name {
  margin-top: 8px;
  font-weight: bold;
  font-size: 16px;
}

.content-container .box-review .comment {
  margin-top: 8px;
  padding: 12px;
  background: #eee;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.6;
}

.content-container .box-review .keywords {
  margin-top: 8px;
}

.content-container .box-review .keywords span {
  display: inline-block;
  margin: 2px 4px 0 0;
  padding: 2px 8px;
  border: 1px solid var(--color-main);
  border-radius: 50px;
  color: var(--color-main);
  font-size: 11px;
}

/* ========================================
   ブログ・特集（テキストのみ）
   ======================================== */
.content-container .list-blog-text {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.content-container .box-blog-text a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding-bottom: 8px;
  border-radius: 8px;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.2);
  color: #444;
}

.content-container .box-blog-text a > * {
  margin-inline: 8px;
}

.content-container .box-blog-text a:hover {
  background: #f3f3f3;
  text-decoration: none;
}

.content-container .box-blog-text .cat {
  display: inline-block;
  width: fit-content;
  padding: 3px 8px;
  background: #f1edf6;
  border-radius: 50vh;
  color: var(--color-main);
  border: solid 1px #aca0bb;
  font-weight: bold;
  font-size: 11px;
}
.content-container .box-blog-text .thumb-nail {
  overflow: hidden;
  border-radius: 8px 8px 0 0;
  margin: 0;
}
.content-container .box-blog-text .thumb-nail img {
  width: 100%;
  aspect-ratio: 3 / 2;
  transform: scale(1.05);
  object-fit: cover;
  object-position: top;
  margin-bottom: 3px;
}

.content-container .box-blog-text .name-blog {
  font-weight: bold;
  font-size: 14px;
  line-height: 1.5;
}

/* ========================================
   よくある質問
   ======================================== */
.content-container .list-faq {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 0;
  counter-reset: faq-count 0;
}

.content-container .list-faq li {
  list-style: none;
}

.content-container .list-faq details {
  border: 1px solid #aaa;
  border-radius: 8px;
}

.content-container .list-faq summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 4px;
  padding: 8px;
  color: var(--color-main);
  font-weight: bold;
  cursor: pointer;
}

.content-container .list-faq summary::before {
  content: "Q" counter(faq-count) ".";
  counter-increment: faq-count 1;
  font-weight: normal;
}

.content-container .list-faq summary::after {
  content: "";
  width: 20px;
  height: 20px;
  background: url(../img/ico_down.svg) center center;
  align-self: center;
  transition: transform 0.3s;
}

.content-container .list-faq [open] summary::after {
  transform: rotate(180deg);
}

.content-container .list-faq .answer {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px;
  padding: 8px;
}

.content-container .list-faq .answer::before {
  content: "A.";
}

/* ========================================
   レスポンシブ（コンテナクエリ）
   ======================================== */
@container content-container (max-width: 900px) {  
  .content-container header {
    background: linear-gradient(rgba(1, 0, 5, 0.7), rgba(6, 1, 26, 0.5)),url(../img/head.jpg) right -60px bottom / cover  no-repeat, #000104;
    padding: 25px;
  }
  .content-container .sec {
    padding-inline: 18px;
  }
  .content-container .wrap-table-scroll {
    padding: 6px 6px 16px;
    margin: -6px -6px 0;
    overflow-x: auto;
  }
  .content-container .table-wrap {
    width: 1045px;
  }
  .content-container .tab-content {
    overflow-x: auto;
    padding: 6px 6px 16px;
    margin: -6px -6px 0;
    > * {
      width: 1045px;
    }
  }
  .content-container ul.list-usage li a {
    padding: 9px 10px;
    font-size: 12px;
  }
  .content-container ul.list-usage li a img {
    width: 30px;
  }
  .content-container .ttl-sec {
    font-size: 18px;
    word-break: auto-phrase;
  }
  .content-container .disc-sec {
    font-size: 13px;
  }
}


@container content-container (max-width: 700px) {
  .content-container .lead {
    width: 100%;
  }
  .content-container .list-faq {
    grid-template-columns: 1fr;
  }
  .content-container {
    .wrap-type,
    .wrap-accessories,
    .scroll-brands,
    .scroll-review,
    .scroll-blog {
      padding: 6px 6px 16px;
      margin: -6px -6px 0;
      overflow-x: auto;
      > * {
        width: 800px;
      }
    }
  }
  .content-container .wrap-brands {
    width: 1300px;
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: 1fr;
  }
  .content-container .wrap-blog {
    width: 900px;
  }
}



@container content-container (max-width: 600px) {
  .content-container ul.list-usage {
    grid-template-columns: repeat(2, 1fr);
  }
  .content-container .ttl-header h2 {
    margin: .2em 0 0;
    font-size: 28px;
    line-height: 1.4;
    word-break: auto-phrase;
  }
  .content-container .lead br {
    display: none;
  }
  .content-container .list-faq .answer {
    padding-top: 0;
  }
  .content-container .tbl-compare {
    font-size: 12px;
  }
}

@container content-container (max-width: 450px) {
  .content-container .ttl-header h2 {
    font-size: 24px;
  }
}

@container content-container (max-width: 400px) {
  .content-container .wrap-ttl-sec {
    flex-direction: column;
    align-items: flex-start;
  }
}