/* =========================
   Theme Info
========================= */

/*
Theme Name: theme (kurayamisaka official website)
Theme URI: https://kurayamisaka.com
Author: kurayamisaka
Version: 1.0
Text Domain: kurayamisaka-theme
*/


/* =========================
   Variables
========================= */

:root {
  --color-bg: #FFFFFF;
  --color-heading: #A0A0A0;
  --color-text: #404040;
  --color-border: #E6E6E6;

  --font-heading: Helvetica, Arial, sans-serif;
  --font-body: "Noto Sans JP", sans-serif;

  --site-width: 1080px;
  --header-height: 70px;
}


/* =========================
   Reset
========================= */

* {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
}

body {
  margin: 0;
  padding: 0;

  background: var(--color-bg);
  color: var(--color-text);

  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;

  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

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

button {
  font: inherit;
}


/* =========================
   Base Layout
========================= */

.site-wrap {
  width: min(var(--site-width), 90vw);
  margin: 0 auto;
}

main {
  min-height: 60vh;
}

/* =========================
   Header
========================= */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;

  width: 100%;
  height: var(--header-height);

  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(8px);
}

.site-header-inner {
  width: min(var(--site-width), 90vw);
  height: 100%;
  margin: 0 auto;

  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.site-logo {
  margin-right: 42px;

  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-heading);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;

  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-heading);
}

.site-nav a {
  transition: opacity 0.2s ease;
}

.site-nav a:hover {
  opacity: 0.55;
}


/* =========================
   Menu Button
========================= */

.menu-toggle {
  display: none;

  width: 28px;
  height: 20px;
  padding: 0;

  background: none;
  border: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 1px;

  background: var(--color-heading);
}

.menu-toggle span + span {
  margin-top: 8px;
}


/* =========================
   Main Offset
========================= */

body {
  padding-top: var(--header-height);
}