/*
Theme Name: Legame Studio
Theme URI: https://legamestudio.jp
Author: Legame Studio
Author URI: https://legamestudio.jp
Description: Custom theme for Legame Studio — a creative studio based in Fukuoka.
Version: 1.0.0
License: Private
Text Domain: legame
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  /* Colors */
  --color-black:   #0e0e0e;
  --color-white:   #fafaf8;
  --color-gray-1:  #1a1a1a;
  --color-gray-2:  #2c2c2c;
  --color-gray-3:  #555555;
  --color-gray-4:  #888888;
  --color-gray-5:  #c8c8c4;
  --color-gray-6:  #e8e8e4;
  --color-accent:  #b8a98a;   /* ゴールドベージュ — 品のあるアクセント */
  --color-accent-dark: #8a7a62;

  /* Typography */
  --font-display: 'Cormorant Garamond', 'Noto Serif JP', Georgia, serif;
  --font-body:    'DM Sans', 'Noto Sans JP', sans-serif;
  --font-mono:    'DM Mono', monospace;

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  8rem;

  /* Layout */
  --container: 1140px;
  --gutter:    clamp(1.25rem, 5vw, 3rem);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 0.7s;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--color-white);
  color: var(--color-black);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  font-weight: 400;
}

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

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

ul, ol {
  list-style: none;
}

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

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--space-xl);
}

.section--dark {
  background-color: var(--color-gray-1);
  color: var(--color-white);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }

.label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.body-lg {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.85;
  color: var(--color-gray-3);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  border: 1px solid currentColor;
  transition: background 0.3s var(--ease-out), color 0.3s var(--ease-out);
}

.btn--primary {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.btn--primary:hover {
  background: var(--color-gray-2);
}

.btn--outline {
  background: transparent;
  color: var(--color-black);
  border-color: var(--color-black);
}

.btn--outline:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.btn--outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--outline-white:hover {
  background: var(--color-white);
  color: var(--color-black);
}

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
  width: 40px;
  height: 1px;
  background: var(--color-accent);
  margin-block: var(--space-md);
}

/* ============================================================
   FADE-IN ANIMATION (JS制御)
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration) var(--ease-out),
              transform var(--duration) var(--ease-out);
}

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

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.4s ease, backdrop-filter 0.4s ease;
}

.site-header.is-scrolled {
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-6);
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  color: var(--color-black);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.site-nav a {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-3);
  transition: color 0.2s;
}

.site-nav a:hover {
  color: var(--color-black);
}

.nav-cta {
  padding: 0.6rem 1.25rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--color-black);
  color: var(--color-black);
  transition: background 0.25s, color 0.25s;
}

.nav-cta:hover {
  background: var(--color-black);
  color: var(--color-white);
}

/* ハンバーガー（モバイル） */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-black);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .site-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--color-white);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    z-index: 99;
  }

  .site-nav.is-open { display: flex; }

  .site-nav a {
    font-size: 1rem;
  }

  .nav-toggle.is-open span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  .nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  padding: var(--space-lg) var(--gutter) var(--space-md);
  border-top: 1px solid var(--color-gray-6);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-gray-4);
  letter-spacing: 0.05em;
}

/* ============================================================
   WORDPRESS SPECIFIC
   ============================================================ */
.wp-block-image img {
  border-radius: 2px;
}

.aligncenter {
  margin-inline: auto;
}

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