:root {
  --color-bg: #efebe2;
  --color-beige: #daceb2;
  --color-beige-light: #e0d8c8;
  --color-purple: #4e4765;
  --color-purple-light: #a798bc;
  --color-brown: #6c5d56;
  --color-gold: #c3a537;
  --color-white: #fff;

  /* Font */
  --font-serif: "Cormorant Garamond", serif;

  --font-sans:
    "Hiragino Sans",
    "Noto Sans JP",
    "Yu Gothic",
    "YuGothic",
    sans-serif;

  --page-width: 430px;
  --side-space: 20px;
  --section-space: clamp(72px, 18vw, 112px);
  --transition: 280ms ease;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--color-brown);
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.9;
}

body.is-locked {
  overflow: hidden;
}

main,
.c-footer {
  width: min(100%, var(--page-width));
  margin-inline: auto;
  background: var(--color-bg);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

svg {
  display: block;
}

a,
button,
summary {
  -webkit-tap-highlight-color: transparent;
}

button,
summary {
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--color-purple);
  outline-offset: 4px;
}

.l-inner {
  width: min(calc(100% - (var(--side-space) * 2)), 390px);
  margin-inline: auto;
}

.u-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  white-space: nowrap !important;
  border: 0 !important;
  clip: rect(0 0 0 0) !important;
}

.js-fade {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.js-fade.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   body load
========================================== */

body {
  animation: page-fade-in 1s ease-out both;
  background-color: var(--color-purple);
}

@keyframes page-fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  body {
    animation: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .js-fade {
    opacity: 1;
    transform: none;
  }
}