/* ================================
   CSS RESET
================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 16px;
  font-weight: 400;
  color: #FFFFFF;
  background-color: #0A0A0A;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

/* ================================
   CSS VARIABLES
================================ */

:root {
  --color-black:        #0A0A0A;
  --color-card:         #1A1A1A;
  --color-border:       #2A2A2A;
  --color-white:        #FFFFFF;
  --color-gray:         #888888;
  --color-gold:         #C9A84C;
  --color-gold-dark:    #8B6914;
  --color-gold-light:   #E8C97A;

  --font-jp:      'Noto Sans JP', sans-serif;
  --font-display: 'Playfair Display', serif;
  --font-sans:    'Inter', sans-serif;

  --section-padding-desktop: 96px;
  --section-padding-mobile:  56px;
  --container-max:           1100px;
  --container-side-desktop:  40px;
  --container-side-mobile:   20px;

  --radius-card:   12px;
  --radius-btn:    6px;
  --transition:    all 0.3s ease;
}

/* ================================
   COMMON LAYOUT
================================ */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-side-desktop);
}

.section-padding {
  padding: var(--section-padding-desktop) 0;
}

/* ================================
   RESPONSIVE
================================ */

@media (max-width: 767px) {
  .container {
    padding: 0 var(--container-side-mobile);
  }

  .section-padding {
    padding: var(--section-padding-mobile) 0;
  }
}