@charset "UTF-8";

/* =============================================
  Design tokens
============================================= */
:root {
  --color-bg: #0a0a0a;
  --color-black: #000;
  --color-red: #D61718;
  --color-white: #fff;
  --color-gray: #808080;
  --color-panel-bg: rgba(10, 10, 10, .85);

  /* 白の半透明枠線・区切り線 — 濃さの3段階に統一 */
  --border-faint: rgba(255, 255, 255, .3);
  --border-soft: rgba(255, 255, 255, .6);
  --border-strong: rgba(255, 255, 255, .8);

  /* 背景に浮かべる薄い文字（透かし数字・ウォーターマークなど）用 */
  --overlay-faint: rgba(255, 255, 255, .12);

  /* 見出しに付ける赤いグロー影 */
  --glow-red: 0 0 .6em rgba(215, 23, 24, .7);

  --font-jp: "noto-sans-cjk-jp", "Noto Sans JP", sans-serif;
  --font-jp-heading: "toppan-bunkyu-midashi-go-std", sans-serif;
  --font-en: "anton", sans-serif;
  --font-num: "Antonio", sans-serif;
  --container-width: min(93%, 1200px);

  /* PCのグローバルヘッダー（sticky）の高さ。ヘッダー分だけ空けたいレイアウトで共通利用する */
  --site-header-h: clamp(4.35rem, 4.2vw, 5.65rem);

  /* Type scale — 複数ページで使い回すフォントサイズはここに集約する */
  --fs-display: clamp(3rem, 8.5vw, 8.75rem);
  --fs-title: clamp(2.5rem, 5.6vw, 5rem);
  --fs-heading: clamp(1.65rem, 3vw, 2.7rem);
  --fs-subheading: clamp(1.25rem, 2.2vw, 1.75rem);
  --fs-body-l: calc((var(--fs-subheading) + var(--fs-body)) / 2);
  --fs-body: clamp(.95rem, .7rem + .8vw, 1.35rem);
  --fs-small: clamp(.75rem, .6rem + .25vw, .85rem);
  --fs-caption: clamp(.85rem, .6rem + .35vw, 1rem);
  --fs-price: clamp(1.65rem, .7rem + 1.5vw, 2.8rem);
}

/* SP: 87.5%に全体を縮小 */
@media (max-width: 991.98px) {
  :root {
    --fs-display: clamp(4rem, 14vw, 8.75rem);
    --fs-title: clamp(2.2rem, 4.9vw, 5rem);
    --fs-heading: clamp(1.48rem, 4vw, 2.7rem);
    --fs-subheading: clamp(1.1rem, 3vw, 1.75rem);
    --fs-body: clamp(.95rem, .65rem + 1vw, 1.35rem);
    --fs-small: clamp(.7rem, .54rem + .5vw, .85rem);
    --fs-caption: clamp(.78rem, .65rem + .55vw, 1rem);
    --fs-price: clamp(1.3rem, .76rem + 2vw, 2.8rem);
  }
}

/* =============================================
  Reset / base
============================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-white);
  font-family: var(--font-jp);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: .01em;
  font-feature-settings: "palt";
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
p {
  margin: 0;
}

button {
  font: inherit;
  border: none;
  background: none;
  color: inherit;
  cursor: pointer;
  padding: 0;
}

/* 押下可能な要素はhoverでcursor:pointerを付ける */
a,
label[for],
input[type="checkbox"],
input[type="radio"] {
  cursor: pointer;
}

a:not(.site-footer__hayato),
label[for],
button {
  transition: opacity .3s ease;
}

@media (hover: hover) {
  a:not(.site-footer__hayato):hover,
  label[for]:hover,
  button:hover {
    opacity: .75;
  }
}

/* =============================================
  Layout helpers
============================================= */
.inner {
  width: var(--container-width);
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  white-space: nowrap;
  clip-path: inset(50%);
  border: 0;
}

.placeholder-box {
  display: block;
  width: 100%;
  height: 100%;
  background-color: var(--color-gray);
}

span.lazy,
span.lazy-done {
  position: relative;
}

.lazy img,
.lazy-done img {
  display: none;
}

span.lazy {
  opacity: 0;
  transition: opacity .8s ease;
}

span.lazy-done {
  opacity: 1;
  transition: opacity .8s ease;
}

.small {
  font-size: .8em;
}

.sep {
  display: inline-block;
  margin: 0 .3em;
}

.sep-l {
  display: inline-block;
  margin-left: .3em;
}

.pc-br,
.sp-br {
  display: none;
}

@media (min-width: 992px) {
  .pc-br {
    display: inline;
  }
}

@media (max-width: 991.98px) {
  .sp-br {
    display: inline;
  }
}

/* =============================================
  Shared components
============================================= */
.btn-more {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, .8);
  background: rgba(10, 10, 10, .35);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  padding: 1.5rem 3em;
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: .05em;
  width: fit-content;
  margin-top: 2.5rem;
  min-width: 10rem;
  line-height: 1;
}

.btn-more::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 1em;
  width: 1em;
  height: 1em;
  background: url('../img/icon-arrow.svg') no-repeat center / contain;
  filter: brightness(0) invert(1);
  transform: translateY(-50%);
  transition: transform .3s ease;
}

@media (hover: hover) {
  .btn-more:hover::after {
    transform: translateY(-50%) translateX(.35em);
  }
}

@media (max-width: 991.98px) {
  .btn-more {
    font-size: clamp(1.25rem, 5vw, 1.5rem);
    padding: .8em 2em;
  }
}