/* ==================== RESET ==================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  font-size: 15px;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  line-height: 1.6;
  color: #0D0D0D;
  background: url(../images/bg_mv_kitsu.png) center top no-repeat;
  background-size: contain;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
body a { color: #0D0D0D; text-decoration: none; }
body a:hover { text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
table { border-collapse: collapse; }

:root {
  --accent: #2b7fb5;
  --accent-2: #f08a3e;
  --gray-txt: #656565;
  --gray-line: #9F9C9C;
  --gray-line-2: #D9D9D9;
  --vttl: #5A5657;
}

.sp_only { display: none; }
.pc_only { display: block; }

.inner {
  box-sizing: content-box;
  max-width: 1390px;
  width: 96%;
  padding: 0 2%;
  position: relative;
  margin: 0 auto;
}

@media screen and (max-width: 767px) {
  body { font-size: 15px; background: none; position: relative; }
  body::after {
    content: "";
    display: block;
    position: fixed;
    top: 0; left: 0;
    z-index: -1;
    width: 100%;
    height: 100vh;
    background: url(../images/bg_mv_kitsu.png) center top no-repeat;
    background-size: cover;
  }
  .pc_only { display: none !important; }
  .sp_only { display: block !important; }
  .inner { width: 94%; padding: 0 3%; }
  html { scroll-padding-top: 70px; }
}

/* ==================== HEADER ==================== */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 87px;
  background-color: rgba(255, 255, 255, 0.5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 0 0 2%;
  z-index: 20;
}
.header_logo {
  max-width: 243px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.header_logo img {
  height: 52px;
  width: auto;
  display: block;
}
.header_logo .mark { width: 44px; height: 44px; flex: none; }
.header_logo .mark svg { width: 100%; height: 100%; display: block; }
.header_logo .txt {
  font-family: "century-gothic", "Inter", sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.02em;
  line-height: 1;
}
.header_logo .txt small {
  display: block;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 9px;
  letter-spacing: 0.2em;
  font-weight: 500;
  color: var(--gray-txt);
  margin-top: 4px;
}
.nav_list { display: flex; align-items: center; }
.nav_list a { font-size: 15px; }
.nav_list a span { display: none; }
.nav_list a:hover { text-decoration: underline; }
.nav_list li + li { margin-left: 35px; }
.nav_list .btn_shop {
  display: block;
  width: 190px;
  height: 47px;
  line-height: 47px;
  background: #54C2F0;
  text-align: center;
  color: #fff;
  font-size: 15px;
  border-radius: 6px;
  transition: 0.3s ease-in-out;
}
.nav_list .btn_shop:hover { opacity: 0.7; text-decoration: none; }
.nav_list .btn {
  display: block;
  width: 170px;
  height: 47px;
  line-height: 47px;
  background: #f08445;
  text-align: center;
  color: #fff;
  font-size: 15px;
  border-radius: 6px 0 0 6px;
  transition: 0.3s ease-in-out;
}
.nav_list .btn:hover { opacity: 0.7; text-decoration: none; }
.nav_txt { display: none; }
.menu_toggle { display: none; }

@media screen and (max-width: 767px) {
  .header { height: 53px; padding: 0 0 0 2%; }
  .header_logo { max-width: 60%; }
  .header_logo img { height: 36px; }
  .nav {
    background: #fff;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  }
  .is-open { overflow: hidden; }
  .is-open .nav {
    visibility: visible;
    opacity: 1;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
  }
  .nav_list { width: 73%; margin: 0 auto; display: block; }
  .nav_list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 22px;
    padding: 25px 0;
  }
  .nav_list a span { width: 50%; display: inline-block; font-size: 14px; opacity: 0.5; font-family: "century-gothic", "Inter", sans-serif; }
  .nav_list li:not(:last-child) { border-bottom: 1px solid #000; }
  .nav_list li + li { margin-left: 0; }
  .nav_list .btn_shop {
    display: block;
    width: 100%;
    height: auto;
    line-height: 1.6;
    background: none;
    text-align: left;
    color: #0D0D0D;
    font-size: 22px;
    border-radius: 0;
  }
  .nav_list .btn {
    display: block;
    width: 100%;
    height: auto;
    line-height: 1.6;
    background: none;
    text-align: left;
    color: #0D0D0D;
    font-size: 22px;
    border-radius: 0;
  }
  .nav_txt {
    display: block;
    width: 73%;
    margin: 0 auto;
    font-size: 12px;
    line-height: 1.8;
  }
  .nav_txt + .nav_txt { margin-top: 20px; }
  .menu_toggle {
    position: absolute;
    top: 16px;
    right: 3%;
    display: block;
    height: 22px;
    cursor: pointer;
    z-index: 100;
  }
  .menu_toggle div { position: relative; width: 33px; }
  .menu_toggle span {
    width: 100%;
    z-index: 100;
    height: 1px;
    right: 0;
    display: block;
    background: #000;
    position: absolute;
    transition: all 0.3s ease-out;
  }
  .menu_toggle span:nth-child(1) { top: 0; }
  .menu_toggle span:nth-child(2) { top: 11px; }
  .menu_toggle span:nth-child(3) { top: 22px; }
  .is-open .menu_toggle span:nth-child(1) { top: 12px; transform: rotate(45deg); }
  .is-open .menu_toggle span:nth-child(2) { opacity: 0; }
  .is-open .menu_toggle span:nth-child(3) { top: 12px; transform: rotate(-45deg); }
}

/* ==================== PAGE HEADER ==================== */
.page_head {
  height: auto;
  padding-top: 180px;
  padding-bottom: 80px;
  text-align: center;
}
.page_head .page_ttl {
  font-family: "century-gothic", "Inter", sans-serif;
  font-size: clamp(32px, 6vw, 60px);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.page_head .page_ttl_sub {
  font-size: 16px;
  font-weight: 700;
  margin-top: 20px;
  letter-spacing: 0.12em;
}
.page_head .page_lead {
  font-size: 14px;
  color: var(--gray-txt);
  margin-top: 18px;
  font-weight: 400;
}
.page_head .back_link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 26px;
  font-size: 13px;
  font-weight: 700;
  padding: 12px 22px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.05em;
  transition: all 0.3s ease-in-out;
}
.page_head .back_link:hover { background: var(--accent); color: #fff; text-decoration: none; }

@media screen and (max-width: 767px) {
  .page_head { height: auto; padding: 110px 0 40px; }
}

/* ==================== PRODUCT DETAIL CARD ==================== */
.product_card {
  overflow: hidden;
  margin-bottom: 20px;
  scroll-margin-top: 100px;
}
.product_card .card_outer {
  padding: 60px 2% 60px;
  background-color: rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: blur(50px) brightness(114%);
  backdrop-filter: blur(50px) brightness(114%);
  margin-right: calc(50% - 50vw);
  padding-right: calc(50vw - 50%);
  padding-left: 2%;
}

.card_body {
  max-width: 1060px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 50px;
  align-items: start;
}

/* --- Left column: image + name + desc --- */
.card_left {}
.card_left img {
  width: 100%;
  aspect-ratio: 992 / 680;
  object-fit: contain;
  mix-blend-mode: multiply;
  margin-bottom: 24px;
}

.card_img_wrap {
  border: 2px dashed var(--gray-line-2);
  border-radius: 12px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.6);
  margin-bottom: 24px;
  text-align: center;
}
.card_img_wrap img {
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  mix-blend-mode: multiply;
}

.card_name {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}

.card_tagline {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.card_desc {
  font-size: 14px;
  line-height: 1.9;
  color: var(--gray-txt);
}

/* --- Right column: spec table --- */
.card_right {}

.spec_table {
  width: 100%;
  border-top: 1px solid var(--gray-line-2);
}
.spec_table tr {
  border-bottom: 1px solid var(--gray-line-2);
}
.spec_table th,
.spec_table td {
  padding: 6px 0;
  font-size: 14px;
  text-align: left;
  vertical-align: top;
  line-height: 1.8;
}
.spec_table th {
  font-weight: 700;
  width: 130px;
  color: #0D0D0D;
  padding-right: 20px;
  white-space: nowrap;
}
.spec_table td {
  color: var(--gray-txt);
  font-weight: 400;
}

.card_back {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
  width: 100%;
  padding: 12px 22px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent) !important;
  background: rgba(255, 255, 255, 0.4);
  transition: all 0.3s ease-in-out;
  letter-spacing: 0.05em;
}
.card_back:hover {
  background: var(--accent);
  color: #fff !important;
  text-decoration: none !important;
}

/* ==================== RESPONSIVE ==================== */
@media screen and (max-width: 900px) {
  .card_body {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .card_img_wrap {
    max-width: 380px;
  }
}
@media screen and (max-width: 767px) {
  .product_card .card_outer {
    padding: 40px 5%;
    margin-right: calc(50% - 50vw);
    padding-right: calc(50vw - 49%);
  }
  .card_name { font-size: 22px; }
  .spec_table th {
    display: block;
    width: 100%;
    padding-bottom: 0px;
    border-bottom: none;
  }
  .spec_table td {
    display: block;
    padding-top: 0;
    padding-bottom: 8px;
  }
}

/* ==================== COPY ==================== */
.copy {
  font-size: 10px;
  font-weight: 600;
  font-family: "century-gothic", "Inter", sans-serif;
  writing-mode: vertical-lr;
  position: fixed;
  top: 50%;
  right: 20px;
  z-index: 10;
  transform: translateY(-50%);
  letter-spacing: 0.05em;
  color: #0D0D0D;
}
.copy_note {
  display: block;
  text-align: center;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 11px;
  color: var(--gray-txt);
  padding: 20px 20px 40px;
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.9;
  font-weight: 400;
}
@media screen and (max-width: 767px) {
  .copy { font-size: 7px; top: auto; right: 5px; bottom: 20px; transform: translateY(0); }
}

/* ==================== ANIMATIONS ==================== */
.anim-fade {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.anim-fade.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.anim-hero {
  opacity: 0;
  transform: translateY(30px) scale(0.97);
  transition: opacity 1s ease-out, transform 1s ease-out;
}
.anim-hero.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.anim-hero-delay {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease-out 0.3s, transform 1s ease-out 0.3s;
}
.anim-hero-delay.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* card left/right slide in */
.anim-slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.anim-slide-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}
.anim-slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease-out 0.15s, transform 0.7s ease-out 0.15s;
}
.anim-slide-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}