/* ==========================================
   彩灯り (Irodori Care) - SP First Stylesheet
   ========================================== */

/* ==========================================
   1. Base & Variables
   ========================================== */
:root {
  /* Colors */
  --c-light-pink: #F6E7EE;
  --c-off-white: #FBF8F9;
  --c-pink-beige: #EED9DE;
  --c-lavender: #E9E1F0;
  --c-dusky-rose: #C48FA2;
  --c-mauve: #9D7B8F;
  --c-text-dark: #4B4453;
  --c-text-mid: #7E6174;
  --c-text-light: #FFF8FB;
  --c-cta: #D7A7B8;
  --c-cta-hover: #C49AAB;
  --c-deep: #2F2533;

  /* Spacing (8px grid) */
  --sp-xs: 8px;
  --sp-sm: 16px;
  --sp-md: 24px;
  --sp-lg: 40px;
  --sp-xl: 64px;
  --sp-2xl: 96px;

  /* Layout */
  --content-px: 24px;
  --max-content: 640px;

  /* Fonts */
  --font-mincho: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  --font-sans: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
  --font-display: "Cormorant Garamond", "Playfair Display", Georgia, serif;

  /* Easing */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --dur-fade: 700ms;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-mincho);
  color: var(--c-text-dark);
  background: var(--c-off-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ==========================================
   2. Utility
   ========================================== */
.container {
  width: 100%;
  max-width: var(--max-content);
  margin-inline: auto;
  padding-inline: var(--content-px);
}

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