/* ============================================================
   Monodsukuri Media — Global Stylesheet v1.0.0
   (IYOSUIテーマの設計システムをベースに再構築)
   ============================================================ */

/* ----------------------------------------------------------
   1. Design Tokens
   ---------------------------------------------------------- */
:root {
  /* Brand Colors — 鉄と火花: チャコール × クラフトオレンジ */
  --color-primary:       #D96C2C;
  --color-primary-light: #E8853F;
  --color-primary-dark:  #B5521A;
  --color-accent-blue:   #2D6E8E;

  /* Text */
  --color-text:          #26221E;
  --color-text-sub:      #6B6258;
  --color-text-white:    #FFFFFF;

  /* Backgrounds */
  --color-bg:            #FFFFFF;
  --color-bg-light:      #F7F4EF;  /* 温かい紙色 */
  --color-bg-warm:       #F1E7DA;  /* クラフト紙 */
  --color-bg-dark:       #221E1A;  /* 鉄・炭 */
  --color-bg-gray:       #EFEDEA;

  /* Border & Divider */
  --color-border:        #D8CFC2;
  --color-border-light:  #E8E2D8;

  /* Typography */
  --font-jp:   'Noto Sans JP', 'Hiragino Sans', 'Meiryo', sans-serif;
  --font-en:   'Montserrat', sans-serif;
  --base-size: 16px;
  --lh-body:   1.8;
  --lh-heading: 1.35;

  /* Spacing */
  --sp-xs:  .5rem;
  --sp-sm:  1rem;
  --sp-md:  2rem;
  --sp-lg:  4rem;
  --sp-xl:  6rem;

  /* Layout */
  --container-max: 1160px;
  --container-pad: 5vw;

  /* Effects */
  --radius:      6px;
  --radius-lg:   10px;
  --shadow-sm:   0 2px 8px rgba(34,30,26,.08);
  --shadow-md:   0 6px 24px rgba(34,30,26,.14);
  --transition:  .25s ease;

  /* Header */
  --header-h: 72px;
}

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

html { font-size: var(--base-size); scroll-behavior: smooth; }

body {
  font-family: var(--font-jp);
  font-size: 1rem;
  line-height: var(--lh-body);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-primary); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }
table { border-collapse: collapse; width: 100%; }

.sp-only { display: none; }
@media (max-width: 600px) {
  .sp-only { display: inline; }
  .pc-only { display: none; }
}

/* ----------------------------------------------------------
   3. Base Typography
   ---------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  line-height: var(--lh-heading);
  font-weight: 700;
  letter-spacing: .02em;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1.25em; }
p:last-child { margin-bottom: 0; }

.lead-copy {
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: 1em;
}

/* ----------------------------------------------------------
   4. Layout
   ---------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.container--narrow {
  max-width: 840px;
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section      { padding-block: var(--sp-xl); }
.section--sm  { padding-block: var(--sp-lg); }

.section--bg-light { background: var(--color-bg-light); }
.section--bg-warm  { background: var(--color-bg-warm); }
.section--bg-gray  { background: var(--color-bg-gray); }
.section--bg-dark  { background: var(--color-bg-dark); color: var(--color-text-white); }

.grid { display: grid; gap: var(--sp-md); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 960px) { .grid--3 { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .grid--2 { grid-template-columns: 1fr; } }

/* ----------------------------------------------------------
   5. Section Heading
   ---------------------------------------------------------- */
.sec-head { margin-bottom: var(--sp-lg); }

.sec-head__en {
  display: block;
  font-family: var(--font-en);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: .4em;
}

.sec-head__ja {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  color: var(--color-text);
}

.sec-head__sub {
  margin-top: .75em;
  color: var(--color-text-sub);
  font-size: .95rem;
}

.sec-head--center { text-align: center; }

.sec-head--line .sec-head__ja::after {
  content: '';
  display: block;
  width: 44px;
  height: 3px;
  background: var(--color-primary);
  margin-top: .6em;
}

.sec-head--center.sec-head--line .sec-head__ja::after { margin-inline: auto; }

/* ----------------------------------------------------------
   6. Buttons
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: .8em 2em;
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .05em;
  border-radius: 999px;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.btn--lg { padding: 1em 2.75em; font-size: 1rem; }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border: 2px solid var(--color-primary);
  box-shadow: 0 4px 14px rgba(217,108,44,.35);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn--outline:hover { background: var(--color-primary); color: #fff; }

.btn--ghost {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.6);
}
.btn--ghost:hover { background: rgba(255,255,255,.12); color: #fff; border-color: #fff; }

.btn--ghost-dark {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}
.btn--ghost-dark:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn--arrow::after { content: '→'; font-family: var(--font-en); }

/* ----------------------------------------------------------
   7. Breadcrumb
   ---------------------------------------------------------- */
.breadcrumb {
  padding-block: .75rem;
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-bg-light);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .25rem;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  font-size: .8rem;
  color: var(--color-text-sub);
}

.breadcrumb__item { display: flex; align-items: center; }

.breadcrumb__item + .breadcrumb__item::before {
  content: '›';
  margin-right: .25rem;
  color: var(--color-border);
}

.breadcrumb__item a:hover { color: var(--color-primary); }
.breadcrumb__item--current span { color: var(--color-text-sub); }

/* ----------------------------------------------------------
   8. Inner Page Hero
   ---------------------------------------------------------- */
.page-hero {
  position: relative;
  min-height: 280px;
  display: flex;
  align-items: center;
  background: var(--color-bg-dark);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(28,22,16,.88) 0%, rgba(34,30,26,.66) 60%, rgba(34,30,26,.45) 100%);
  z-index: 1;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.page-hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-block: var(--sp-lg);
}

.page-hero__title {
  color: #fff;
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  font-weight: 900;
  letter-spacing: .03em;
}

.page-hero__title em {
  display: block;
  font-style: normal;
  font-family: var(--font-en);
  font-size: .42em;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--color-primary-light);
  margin-top: .5em;
  text-transform: uppercase;
}

/* 記事用ヒーロー */
.page-hero--article { min-height: 340px; }

.page-hero__title--article {
  font-size: clamp(1.3rem, 3vw, 2rem);
  line-height: 1.5;
  max-width: 860px;
}

.page-hero__cat {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  padding: .25em 1em;
  border-radius: 999px;
  margin-bottom: .9em;
}

.page-hero__date {
  display: block;
  color: rgba(255,255,255,.75);
  font-family: var(--font-en);
  font-size: .85rem;
  margin-top: .9em;
  letter-spacing: .06em;
}

/* ----------------------------------------------------------
   9. News list / cards（archive・top共通）
   ---------------------------------------------------------- */
.news-item {
  display: grid;
  grid-template-columns: 8em 1fr;
  gap: .75rem var(--sp-sm);
  align-items: baseline;
  padding-block: 1rem;
  border-bottom: 1px solid var(--color-border-light);
  font-size: .92rem;
}

.news-item:first-child { border-top: 1px solid var(--color-border-light); }

.news-item__date {
  color: var(--color-text-sub);
  font-family: var(--font-en);
  font-size: .85rem;
  white-space: nowrap;
}

.news-item__cat {
  display: inline-block;
  padding: .1em .7em;
  font-size: .7rem;
  font-weight: 700;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  border-radius: 999px;
  white-space: nowrap;
  margin-right: .5em;
}

.news-item__title a:hover { color: var(--color-primary); text-decoration: underline; }

/* ----------------------------------------------------------
   10. Pagination / Tag
   ---------------------------------------------------------- */
.pagination {
  display: flex;
  justify-content: center;
  gap: .5rem;
  padding-block: var(--sp-lg);
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: .9rem;
  transition: background var(--transition), color var(--transition);
}

.pagination a:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.pagination .current {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  font-weight: 700;
}

.tag {
  display: inline-block;
  padding: .15em .8em;
  font-size: .72rem;
  font-weight: 700;
  border-radius: 999px;
  background: var(--color-bg-light);
  color: var(--color-text-sub);
  border: 1px solid var(--color-border);
}

.tag--primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ----------------------------------------------------------
   11. Entry Content
   ---------------------------------------------------------- */
.entry-content { max-width: 760px; margin-inline: auto; }

.entry-content h2,
.entry-content h3,
.entry-content h4 {
  margin-top: 2em;
  margin-bottom: .75em;
}

.entry-content h2 {
  font-size: 1.45rem;
  padding: .35em .75em;
  background: var(--color-bg-light);
  border-left: 5px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.entry-content h3 {
  font-size: 1.18rem;
  color: var(--color-primary-dark);
}

.entry-content ul, .entry-content ol {
  list-style: disc;
  padding-left: 1.5em;
  margin-bottom: 1.25em;
}

.entry-content ol { list-style: decimal; }

.entry-content table { margin-bottom: 1.5em; font-size: .9rem; }

.entry-content th,
.entry-content td {
  padding: .6em 1em;
  border: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.entry-content th { background: var(--color-bg-light); font-weight: 700; }

.entry-content a { color: var(--color-accent-blue); text-decoration: underline; }

.entry-content figure { margin-block: 1.5em; }
.entry-content figcaption { font-size: .8rem; color: var(--color-text-sub); margin-top: .5em; }

.entry-content blockquote {
  margin-block: 1.5em;
  padding: 1em 1.5em;
  background: var(--color-bg-light);
  border-left: 4px solid var(--color-border);
  color: var(--color-text-sub);
}

/* ----------------------------------------------------------
   12. Site Header
   ---------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(6px);
  box-shadow: 0 1px 0 var(--color-border-light);
  transition: box-shadow var(--transition);
}

.site-header.is-scrolled { box-shadow: var(--shadow-sm); }

.site-header__main { height: var(--header-h); }

.site-header__main-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  gap: var(--sp-sm);
}

.site-header__logo a {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  gap: .2em;
}

.site-header__logo-name {
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: .06em;
  color: var(--color-text);
  line-height: 1;
}

.site-header__logo-accent { color: var(--color-primary); }

.site-header__logo-tagline {
  font-size: .58rem;
  color: var(--color-text-sub);
  letter-spacing: .08em;
  font-family: var(--font-en);
}

.main-nav { display: flex; align-items: center; }

.main-nav li { position: relative; }

.main-nav > li > a {
  display: inline-flex;
  align-items: center;
  height: var(--header-h);
  padding-inline: .8rem;
  font-size: .85rem;
  font-weight: 500;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: color var(--transition);
}

.main-nav > li > a:hover,
.main-nav > li.current-menu-item > a {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.site-header__cta {
  white-space: nowrap;
  padding: .6em 1.4em;
  font-size: .82rem;
  flex-shrink: 0;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: .4rem;
  flex-shrink: 0;
}

.hamburger__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ----------------------------------------------------------
   13. Mobile Menu
   ---------------------------------------------------------- */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 999;
  width: min(320px, 85vw);
  height: 100dvh;
  background: #fff;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  padding-top: var(--header-h);
  box-shadow: var(--shadow-md);
}

.mobile-menu.is-open { transform: translateX(0); }

.mobile-nav { padding: var(--sp-sm) 0; }

.mobile-nav li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .9rem 1.5rem;
  font-size: .95rem;
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav li a::after { content: '›'; color: var(--color-primary); }
.mobile-nav li a:hover { background: var(--color-bg-light); color: var(--color-primary); }

.mobile-menu__cta {
  padding: var(--sp-md) 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 998;
  background: rgba(0,0,0,.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.mobile-overlay.is-active { opacity: 1; pointer-events: all; }

/* ----------------------------------------------------------
   14. CTA Band（全ページ共通・フッター直前）
   ---------------------------------------------------------- */
.cta-band {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(217,108,44,.28), transparent 55%),
    var(--color-bg-dark);
  color: #fff;
  text-align: center;
  padding-block: var(--sp-xl);
}

.cta-band__en {
  font-family: var(--font-en);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .25em;
  color: var(--color-primary-light);
  margin-bottom: 1em;
}

.cta-band__title {
  font-size: clamp(1.4rem, 3.2vw, 2.1rem);
  font-weight: 900;
  margin-bottom: .8em;
}

.cta-band__body { color: rgba(255,255,255,.85); font-size: .95rem; }

.cta-band__dates {
  display: inline-block;
  margin-block: 1.25em;
  padding: .6em 1.4em;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  font-size: .9rem;
}

.cta-band__dates-note { opacity: .65; font-size: .85em; }

.cta-band__actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--sp-sm);
  flex-wrap: wrap;
  margin-top: var(--sp-sm);
}

/* ----------------------------------------------------------
   15. Site Footer
   ---------------------------------------------------------- */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,.85);
}

.site-footer__main { padding-block: var(--sp-lg); }

.site-footer__main-inner {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--sp-xl);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  align-items: start;
}

.footer-brand__logo {
  font-size: 1.25rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: .06em;
  margin-bottom: .3rem;
}

.footer-brand__tagline {
  font-size: .72rem;
  opacity: .6;
  margin-bottom: var(--sp-sm);
  font-family: var(--font-en);
  letter-spacing: .06em;
}

.footer-brand__desc {
  font-size: .8rem;
  line-height: 1.9;
  opacity: .65;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
}

.footer-nav__col h4 {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--color-primary-light);
  margin-bottom: .75rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-nav__col ul li a {
  display: block;
  font-size: .82rem;
  padding-block: .35rem;
  opacity: .7;
  transition: opacity var(--transition), color var(--transition);
}

.footer-nav__col ul li a:hover { opacity: 1; color: #fff; }

.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: 1rem;
  background: rgba(0,0,0,.3);
}

.site-footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.footer-copy {
  font-size: .72rem;
  font-family: var(--font-en);
  opacity: .45;
  letter-spacing: .04em;
}

/* ----------------------------------------------------------
   16. Utility
   ---------------------------------------------------------- */
.text-center { text-align: center; }
.mt-sm { margin-top: var(--sp-sm); }
.mt-md { margin-top: var(--sp-md); }
.mt-lg { margin-top: var(--sp-lg); }

.no-posts { color: var(--color-text-sub); padding-block: var(--sp-md); }

.js-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}

.js-reveal.is-visible { opacity: 1; transform: none; }

/* 404 */
.notfound__code {
  font-family: var(--font-en);
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 800;
  color: var(--color-border);
  line-height: 1;
}

/* ----------------------------------------------------------
   17. Back to Top
   ---------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(217,108,44,.4);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .3s ease, transform .3s ease, background .2s ease;
  pointer-events: none;
}

.back-to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--color-primary-dark); }

/* ----------------------------------------------------------
   18. Responsive
   ---------------------------------------------------------- */
@media (max-width: 1080px) {
  .main-nav > li > a { padding-inline: .55rem; font-size: .78rem; }
}

@media (max-width: 960px) {
  :root { --header-h: 60px; }
  .main-nav { display: none; }
  .site-header__cta { display: none; }
  .hamburger { display: flex; }

  .site-footer__main-inner { grid-template-columns: 1fr; gap: var(--sp-lg); }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
  .page-hero { min-height: 210px; }
}

@media (max-width: 600px) {
  :root {
    --sp-xl: 4rem;
    --sp-lg: 3rem;
    --container-pad: 1.25rem;
  }

  .footer-nav { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; }
  .news-item__date { display: none; }

  .back-to-top { bottom: 1.25rem; right: 1.25rem; width: 2.75rem; height: 2.75rem; }
}