/* ============================================================
   KIO - カッコイイ大人  Main Stylesheet
   BEM / Flexbox / Grid / CSS Custom Properties
   ============================================================ */

/* ── Variables ── */
:root {
  --clr-dark:      #100c0a;
  --clr-dark-2:    #1a1008;
  --clr-crimson:   #8c1a14;
  --clr-crimson-d: #6e1410;
  --clr-gold:      #c9a84c;
  --clr-white:     #ffffff;
  --clr-light:     #f5f5f0;
  --clr-text:      #1a1a1a;
  --clr-gray:      #666;

  --font-ja:       'Noto Sans JP', 'Hiragino Kaku Gothic Pro', Meiryo, sans-serif;
  --font-script:   'Great Vibes', cursive;
  --font-en:       'Oswald', sans-serif;

  --max-w:         1200px;
  --pad-x:         clamp(1.5rem, 5vw, 4rem);
  --section-py:    clamp(4rem, 8vw, 7rem);

  --ease-out:      cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-ja);
  background-color: var(--clr-dark);
  color: var(--clr-white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

ol, ul { list-style: none; }

/* ── Utility ── */
.kio-container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.kio-main { background-color: var(--clr-dark); }

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

.kio-skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--clr-crimson);
  color: var(--clr-white);
  padding: 0.5em 1em;
  z-index: 9999;
  border-radius: 0 0 4px 4px;
}
.kio-skip-link:focus { top: 0; }

/* ── Buttons ── */
.kio-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.85em 2.2em;
  font-family: var(--font-ja);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s var(--ease-out), color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.kio-btn--crimson {
  background-color: var(--clr-crimson);
  color: var(--clr-white);
  border-color: var(--clr-crimson);
}
.kio-btn--crimson:hover {
  background-color: var(--clr-crimson-d);
  border-color: var(--clr-crimson-d);
}

.kio-btn--light-outline {
  background-color: transparent;
  color: var(--clr-white);
  border-color: var(--clr-white);
  border-radius: 40px;
  padding: 0.75em 2.5em;
}
.kio-btn--light-outline:hover {
  background-color: rgba(255,255,255,0.1);
}

/* ── Section heading pattern ── */
.kio-section-head {
  text-align: center;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.kio-section-head__script {
  font-family: var(--font-script);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 400;
  color: var(--clr-white);
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.kio-section-head__dot { color: var(--clr-crimson); }
.kio-section-head__dot--dark { color: var(--clr-crimson); }
.kio-section-head__script--dark { color: var(--clr-dark); }

.kio-section-head__divider {
  display: block;
  margin-top: 0.6em;
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.8);
}
.kio-section-head__divider--dark { color: var(--clr-text); }

/* ============================================================
   HEADER
   ============================================================ */
.kio-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background-color: rgba(16, 12, 10, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(201, 168, 76, 0.15);
  transition: background-color 0.3s;
}

.kio-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin-inline: auto;
  padding: 0.9rem var(--pad-x);
  gap: 2rem;
}

.kio-header__logo img { height: 40px; width: auto; }

.kio-header__nav { margin-left: auto; }

.kio-header__nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.kio-header__nav-list li { list-style: none; }

.kio-header__nav-list a,
.kio-header__nav-link {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--clr-white);
  letter-spacing: 0.08em;
  transition: color 0.2s;
  position: relative;
}
.kio-header__nav-list a::after,
.kio-header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--clr-gold);
  transform: scaleX(0);
  transition: transform 0.2s var(--ease-out);
}
.kio-header__nav-list a:hover::after,
.kio-header__nav-link:hover::after { transform: scaleX(1); }

.kio-header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 36px; height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

.kio-header__hamburger-bar {
  display: block;
  width: 100%; height: 2px;
  background-color: var(--clr-white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.kio-header--nav-open .kio-header__hamburger-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.kio-header--nav-open .kio-header__hamburger-bar:nth-child(2) { opacity: 0; }
.kio-header--nav-open .kio-header__hamburger-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ============================================================
   HERO
   ============================================================ */
.kio-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--clr-dark);
  padding-top: 80px;
}

.kio-hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
  z-index: 0;
}

.kio-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(16,12,10,0.5) 0%, rgba(16,12,10,0.3) 50%, rgba(16,12,10,0.7) 100%);
  pointer-events: none;
  z-index: 1;
}

.kio-hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
  padding: 3rem var(--pad-x);
}

.kio-hero__catch {
  font-size: clamp(0.9rem, 2.2vw, 1.2rem);
  font-weight: 400;
  letter-spacing: 0.12em;
  line-height: 2;
  color: var(--clr-white);
}

.kio-hero__catch span { display: block; }

.kio-hero__logo-wrap { max-width: 420px; width: 100%; }

.kio-hero__logo-img {
  width: 100%;
  height: auto;
  aspect-ratio: 400 / 200;
}

/* ============================================================
   KAKKOIIOTONA
   ============================================================ */
.kio-kko {
  background-color: var(--clr-dark);
  padding-block: clamp(2rem, 5vw, 4rem);
  overflow: hidden;
}

.kio-kko__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.kio-kko__outline {
  font-family: var(--font-en);
  font-size: clamp(3.5rem, 10vw, 9rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  -webkit-text-stroke: 2px var(--clr-gold);
  color: transparent;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
}

.kio-kko__tagline {
  font-size: clamp(1.3rem, 3.5vw, 2.2rem);
  font-weight: 500;
  line-height: 1.7;
  text-align: center;
  color: var(--clr-white);
  letter-spacing: 0.06em;
  padding: clamp(1.5rem, 4vw, 3rem) 0;
}

/* ============================================================
   ABOUT US
   ============================================================ */
.kio-about {
  background-color: var(--clr-dark);
  padding-block: var(--section-py);
  border-top: 1px solid rgba(201,168,76,0.1);
}

.kio-about__inner { max-width: 860px; }

.kio-about__body {
  text-align: center;
  font-size: clamp(0.9rem, 2vw, 1.05rem);
  line-height: 2;
  color: rgba(255,255,255,0.85);
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.kio-precepts {
  background-color: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: 4px;
  padding: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 3rem;
}

.kio-precepts__logo { text-align: center; margin-bottom: 1.5rem; }
.kio-precepts__logo img { margin-inline: auto; }

.kio-precepts__title {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--clr-white);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.kio-precepts__list { counter-reset: precept; }

.kio-precepts__item {
  counter-increment: precept;
  display: flex;
  align-items: baseline;
  gap: 1.2em;
  padding: 0.85em 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: clamp(0.9rem, 2vw, 1rem);
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.05em;
}

.kio-precepts__item::before {
  content: counter(precept);
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-white);
  min-width: 1.5ch;
  flex-shrink: 0;
}

.kio-about__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.2rem;
}

/* ============================================================
   GALLERY
   ============================================================ */
.kio-gallery { background-color: var(--clr-dark); overflow: hidden; }

.kio-gallery__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.kio-gallery__item {
  aspect-ratio: 4/3;
  overflow: hidden;
  contain: layout style;
}

.kio-gallery__img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}
.kio-gallery__item:hover .kio-gallery__img { transform: scale(1.05); }

/* ============================================================
   INFORMATION
   ============================================================ */
.kio-info {
  position: relative;
  background-color: var(--clr-crimson);
  padding-block: var(--section-py);
  overflow: hidden;
}

.kio-info__inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
}

.kio-info__watermark {
  font-family: var(--font-script);
  font-size: clamp(3rem, 8vw, 6rem);
  font-style: italic;
  font-weight: 700;
  color: rgba(255,255,255,0.15);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: nowrap;
  user-select: none;
  pointer-events: none;
  line-height: 1;
}

.kio-info__body { min-width: 0; }
.kio-info__list { display: flex; flex-direction: column; }
.kio-info__item { border-bottom: 1px solid rgba(255,255,255,0.2); }

.kio-info__link {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 0.5rem;
  color: var(--clr-white);
  transition: background-color 0.2s;
}
.kio-info__link:hover { background-color: rgba(0,0,0,0.1); }
.kio-info__link--placeholder { cursor: default; }

.kio-info__date {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.75);
  white-space: nowrap;
  letter-spacing: 0.05em;
}

.kio-info__cat {
  display: inline-block;
  font-size: 0.7rem;
  background-color: rgba(255,255,255,0.2);
  color: var(--clr-white);
  padding: 0.2em 0.8em;
  border-radius: 20px;
  white-space: nowrap;
  letter-spacing: 0.05em;
}

.kio-info__title {
  font-size: 0.9rem;
  line-height: 1.5;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}

.kio-info__arrow {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.6);
  flex-shrink: 0;
}

.kio-info__cta { text-align: center; margin-top: 2.5rem; }

/* ============================================================
   BRANCHES
   ============================================================ */
.kio-branches {
  background-color: var(--clr-light);
  padding-block: var(--section-py);
}

.kio-branches__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.kio-branches__heading {
  font-family: var(--font-en);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1.15;
  letter-spacing: 0.03em;
  margin-bottom: 0.6em;
}

.kio-branches__sub {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-crimson);
  letter-spacing: 0.1em;
  margin-bottom: 1.2em;
}

.kio-branches__body {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--clr-gray);
  margin-bottom: 2rem;
  max-width: 480px;
}

.kio-branches__icon-img {
  width: clamp(140px, 20vw, 220px);
  height: auto;
  display: block;
}

/* ============================================================
   JOIN KIO
   ============================================================ */
.kio-join { background-color: var(--clr-dark); }

.kio-join__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, auto);
  gap: 0;
}

.kio-join__cell {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  line-height: 0;
  font-size: 0;
}

.kio-join__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.3s;
}
.kio-join__cell:hover .kio-join__img { transform: scale(1.03); }

.kio-join__letter {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 700;
  color: var(--clr-white);
  pointer-events: none;
}

.kio-join__cell--flame {
  background-color: var(--clr-dark-2);
}

.kio-join__flame {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* ============================================================
   BENEFITS
   ============================================================ */
.kio-benefits {
  background-color: var(--clr-crimson);
  padding-block: var(--section-py);
}

.kio-benefits__inner { text-align: center; }

.kio-benefits__lead {
  font-size: 1rem;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.08em;
  margin-bottom: 0.4em;
}

.kio-benefits__price {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--clr-white);
  letter-spacing: 0.05em;
  margin-bottom: 2.5rem;
}
.kio-benefits__price strong {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-family: var(--font-en);
  font-weight: 700;
}

.kio-benefits__icons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.2rem;
  margin-bottom: 2.5rem;
}

.kio-benefits__circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(80px, 12vw, 110px);
  height: clamp(80px, 12vw, 110px);
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.7);
  color: var(--clr-white);
  font-size: clamp(0.7rem, 1.5vw, 0.875rem);
  font-weight: 500;
  text-align: center;
  line-height: 1.4;
  padding: 0.5em;
}

.kio-benefits__main-text {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.05em;
  margin-bottom: 0.8rem;
}

.kio-benefits__sub-text {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.05em;
}
.kio-benefits__sub-text small { font-size: 0.8em; }

/* ============================================================
   FLOW
   ============================================================ */
.kio-flow {
  background-color: var(--clr-light);
  padding-block: var(--section-py);
}

.kio-flow__inner { text-align: center; }

.kio-flow__steps {
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: 3rem;
  display: flex;
  flex-direction: column;
  counter-reset: flow;
}

.kio-flow__step {
  counter-increment: flow;
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  background-color: var(--clr-white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 40px;
  padding: 1rem 2rem;
  text-align: left;
  font-size: 0.95rem;
  color: var(--clr-text);
  letter-spacing: 0.04em;
}

.kio-flow__step + .kio-flow__step { margin-top: 0.6rem; }

.kio-flow__step::before {
  content: counter(flow);
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-crimson);
  min-width: 1.5ch;
  flex-shrink: 0;
}

/* ============================================================
   FAQ
   ============================================================ */
.kio-faq {
  background-color: var(--clr-light);
  padding-block: var(--section-py);
}

.kio-faq__list {
  max-width: 800px;
  margin-inline: auto;
}

.kio-faq__item { border-bottom: 1px solid rgba(0,0,0,0.1); }

.kio-faq__question { display: block; }

.kio-faq__question-btn {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.2rem;
  padding: 1.2rem 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-ja);
  font-size: 0.95rem;
  color: var(--clr-text);
  transition: background-color 0.2s;
}
.kio-faq__question-btn:hover { background-color: rgba(0,0,0,0.03); }

.kio-faq__q-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2em; height: 2em;
  border-radius: 50%;
  background-color: var(--clr-crimson);
  color: var(--clr-white);
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 700;
  flex-shrink: 0;
}

.kio-faq__q-text { line-height: 1.6; }

.kio-faq__toggle {
  font-size: 1.4rem;
  color: var(--clr-crimson);
  transition: transform 0.3s var(--ease-out);
  flex-shrink: 0;
}

.kio-faq__question-btn[aria-expanded="true"] .kio-faq__toggle {
  transform: rotate(90deg);
}

.kio-faq__answer {
  padding: 0 0.5rem 1.5rem 3.5rem;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--clr-gray);
}

.kio-faq__answer[hidden] { display: none; }

/* ============================================================
   CONTACT
   ============================================================ */
.kio-contact {
  position: relative;
  padding-block: var(--section-py);
  overflow: hidden;
  background-color: var(--clr-dark);
}

.kio-contact__bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/img/contact-bg.png');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}

.kio-contact__inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.kio-contact__heading {
  font-family: var(--font-en);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.05em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.kio-contact__heading-ja {
  display: block;
  font-family: var(--font-ja);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 500;
  letter-spacing: 0.15em;
  margin-top: 0.4em;
}

.kio-contact__body {
  font-size: 0.95rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.85);
  margin-bottom: 2.5rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.kio-footer {
  background-color: #0a0807;
  padding-block: clamp(3rem, 6vw, 5rem) 0;
}

.kio-footer__inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4rem;
  align-items: start;
  padding-bottom: 3rem;
}

.kio-footer__logo { max-width: 220px; }

.kio-footer__tagline {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.05em;
  line-height: 1.7;
}

.kio-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: flex-end;
}

.kio-footer__nav-heading {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
}

.kio-footer__nav-list { display: flex; flex-direction: column; gap: 0.5rem; }

.kio-footer__nav-link {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.kio-footer__nav-link:hover { color: var(--clr-white); }

.kio-footer__copyright-bar {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.2rem var(--pad-x);
  text-align: center;
}

.kio-footer__copyright {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 1.2em;
}
.kio-footer__copyright a {
  color: rgba(255,255,255,0.4);
  transition: color 0.2s;
}
.kio-footer__copyright a:hover { color: rgba(255,255,255,0.8); }

/* ============================================================
   PAGE.PHP
   ============================================================ */
.kio-page {
  min-height: 60vh;
  padding-block: 120px clamp(4rem, 8vw, 7rem);
}

.kio-page__title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
}

.kio-page__content {
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(255,255,255,0.85);
}

.kio-page__content h2 { font-size: 1.4rem; margin: 2em 0 0.8em; }
.kio-page__content h3 { font-size: 1.15rem; margin: 1.5em 0 0.6em; }
.kio-page__content p  { margin-bottom: 1em; }
.kio-page__content a  { color: var(--clr-gold); text-decoration: underline; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .kio-info__inner { grid-template-columns: 1fr; }
  .kio-info__watermark { display: none; }
  .kio-branches__inner { grid-template-columns: 1fr; }
  .kio-branches__icon { order: -1; text-align: center; }
  .kio-branches__icon-img { margin: 0 auto; width: 120px; }
  .kio-branches__body { max-width: 100%; }
  .kio-footer__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .kio-footer__nav { justify-content: flex-start; }
}

@media (max-width: 768px) {
  .kio-header__nav {
    position: fixed;
    inset: 0;
    background-color: rgba(16,12,10,0.97);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease-out);
    z-index: 999;
    padding-top: 80px;
  }
  .kio-header--nav-open .kio-header__nav { transform: translateX(0); }
  .kio-header__nav-list { flex-direction: column; gap: 2rem; text-align: center; }
  .kio-header__nav-list a { font-size: 1.2rem; }
  .kio-header__hamburger { display: flex; position: relative; z-index: 1001; }
  .kio-gallery__grid { grid-template-columns: repeat(2, 1fr); }
  .kio-join__grid { grid-template-columns: repeat(2, 1fr); }
  .kio-about__cta { flex-direction: column; align-items: center; }
  .kio-info__link {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
  }
  .kio-info__date { grid-column: 1; }
  .kio-info__cat  { grid-column: 2; grid-row: 1; }
  .kio-info__title { grid-column: 1 / -1; grid-row: 2; }
  .kio-info__arrow { grid-column: 2; grid-row: 2; }
}

@media (max-width: 480px) {
  .kio-kko__outline { font-size: clamp(2.2rem, 12vw, 4rem); white-space: normal; word-break: break-all; }
  .kio-gallery__grid { grid-template-columns: 1fr 1fr; }
  .kio-join__grid { grid-template-columns: repeat(2, 1fr); }
  .kio-benefits__icons { gap: 0.8rem; }
  .kio-benefits__circle { width: 80px; height: 80px; font-size: 0.72rem; }
  .kio-flow__step { border-radius: 8px; }
}

/* Lazy load fade-in */
img[loading="lazy"] { opacity: 0; transition: opacity 0.4s; }
img[loading="lazy"].kio-img-loaded { opacity: 1; }

/* ============================================================
   INNER PAGE HEADER (crimson)
   ============================================================ */
.page:not(.home) .kio-header,
.page-template-page-services .kio-header {
  background-color: var(--clr-crimson);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: rgba(0,0,0,0.15);
}

/* ============================================================
   SERVICES PAGE
   ============================================================ */

/* ── Hero ── */
.svc-hero {
  position: relative;
  background-color: #2a2a2a;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-top: 80px;
}

.svc-hero__watermark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: var(--pad-x);
  font-family: var(--font-script);
  font-size: clamp(5rem, 15vw, 12rem);
  font-style: italic;
  color: rgba(255,255,255,0.08);
  user-select: none;
  pointer-events: none;
  line-height: 1;
}

.svc-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(2rem, 5vw, 4rem);
}

.svc-hero__kko {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--clr-crimson);
  margin-bottom: 0.8em;
}

.svc-hero__kko-bar {
  color: rgba(255,255,255,0.4);
  margin-inline: 0.1em;
}

.svc-hero__heading {
  font-family: var(--font-en);
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--clr-white);
  line-height: 1.1;
  letter-spacing: 0.03em;
  margin-bottom: 0.4em;
}

.svc-hero__sub {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.1em;
}

/* ── Section common ── */
.svc-section {
  padding-block: var(--section-py);
}

.svc-section--white { background-color: var(--clr-white); }
.svc-section--gray  { background-color: var(--clr-light); }

.svc-section__inner { max-width: 1100px; margin-inline: auto; padding-inline: var(--pad-x); }

/* ── Section heading ── */
.svc-head {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.svc-head__script {
  font-family: var(--font-script);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 400;
  color: var(--clr-crimson);
  line-height: 1.1;
  position: relative;
  display: inline-block;
  padding-bottom: 0.3em;
}

.svc-head__script::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -5%;
  width: 110%;
  height: 3px;
  background: var(--clr-crimson);
  border-radius: 2px;
  transform: rotate(-1deg);
  opacity: 0.7;
}

.svc-head__dot { color: var(--clr-crimson); }

.svc-head__divider {
  display: block;
  margin-top: 1.2em;
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: var(--clr-text);
}

/* ── Voice grid ── */
.svc-voice__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.svc-voice__card {
  background-color: var(--clr-white);
  border-radius: 4px;
  overflow: hidden;
}

.svc-voice__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: #d8d8d8;
}

.svc-voice__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.svc-voice__placeholder {
  width: 100%;
  height: 100%;
  background-color: #d8d8d8;
}

.svc-voice__body {
  padding: 1.2rem 1rem 1.4rem;
}

.svc-voice__year {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--clr-crimson);
  letter-spacing: 0.05em;
  margin-bottom: 0.3em;
}

.svc-voice__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 0.8em;
}

.svc-voice__comment {
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--clr-gray);
}

/* ── Footer: KAKKOIIOTONA text ── */
.kio-footer__kko {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.35);
  margin-top: 0.6rem;
  margin-bottom: 0.6rem;
}

.kio-footer__kko-bar { color: rgba(255,255,255,0.2); margin-inline: 0.1em; }

/* ── Footer nav icon ── */
.kio-footer__nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4em;
  height: 1.4em;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 50%;
  font-size: 0.7rem;
  margin-right: 0.3em;
}

/* ── Services page responsive ── */
@media (max-width: 768px) {
  .svc-voice__grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .svc-voice__grid { grid-template-columns: 1fr; }
  .svc-hero { min-height: 240px; }
}

/* ============================================================
   SYSTEM PAGE
   ============================================================ */

/* Hero with background photo */
.svc-hero--photo {
  min-height: 360px;
  align-items: flex-end;
}

.svc-hero__bg-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.svc-hero--photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.3) 0%,
    rgba(0,0,0,0.55) 100%
  );
  z-index: 1;
}

.svc-hero--photo .svc-hero__inner { z-index: 2; }

/* System section layout */
.sys-sec__inner {
  max-width: 720px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.sys-sec__media {
  width: 100%;
  margin-bottom: 1.5rem;
  border-radius: 4px;
  overflow: hidden;
}

.sys-sec__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.sys-sec__placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #d8d8d8;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 0.9rem;
  color: #999;
  letter-spacing: 0.1em;
}

.sys-sec__desc {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--clr-text);
}

@media (max-width: 480px) {
  .svc-hero--photo { min-height: 280px; }
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */

/* ── Philosophy ── */
.abt-phil__inner {
  max-width: 760px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
  text-align: center;
}

.abt-phil__tagline {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 500;
  color: var(--clr-text);
  letter-spacing: 0.08em;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.abt-phil__precepts {
  text-align: left;
  max-width: 560px;
  margin-inline: auto;
  border-top: 1px solid rgba(0,0,0,0.1);
}

.abt-phil__precepts-title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--clr-text);
  padding: 1.2rem 0;
  text-align: center;
  border-bottom: 1px solid rgba(0,0,0,0.1);
  margin-bottom: 0;
}

.abt-phil__precepts-list {
  list-style: none;
  counter-reset: phil;
}

.abt-phil__precepts-list li {
  counter-increment: phil;
  display: flex;
  align-items: baseline;
  gap: 1.2em;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  font-size: 0.95rem;
  color: var(--clr-text);
  letter-spacing: 0.04em;
}

.abt-phil__precepts-list li::before {
  content: counter(phil);
  font-family: var(--font-en);
  font-size: 0.9rem;
  color: var(--clr-text);
  min-width: 1.5ch;
  flex-shrink: 0;
}

/* ── Officer ── */
.abt-officer__inner {
  max-width: 900px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.abt-officer__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.abt-officer__card { background: var(--clr-white); border-radius: 4px; overflow: hidden; }

.abt-officer__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #d8d8d8;
}

.abt-officer__photo { display: block; width: 100%; height: 100%; object-fit: cover; }

.abt-officer__placeholder { width: 100%; height: 100%; background: #d8d8d8; }

.abt-officer__body { padding: 1rem 1.2rem 1.4rem; }

.abt-officer__position {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--clr-crimson);
  letter-spacing: 0.08em;
  margin-bottom: 0.3em;
}

.abt-officer__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 0.8em;
}

.abt-officer__comment {
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--clr-gray);
}

/* ── Message ── */
.abt-msg {
  background-color: var(--clr-crimson);
  padding-block: var(--section-py);
  position: relative;
  overflow: hidden;
}

.abt-msg__inner {
  max-width: 760px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
  position: relative;
  z-index: 1;
}

.svc-head--light { text-align: center; margin-bottom: clamp(2rem, 5vw, 3.5rem); }

.svc-head__script--light { color: var(--clr-white); }
.svc-head__script--light::after { background: rgba(255,255,255,0.6); }
.svc-head__dot--light { color: var(--clr-white); }
.svc-head__divider--light { color: rgba(255,255,255,0.8); }

.abt-msg__lead {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--clr-gold);
  text-align: center;
  letter-spacing: 0.08em;
  margin-bottom: 2rem;
}

.abt-msg__body {
  color: var(--clr-white);
  font-size: 0.95rem;
  line-height: 2;
}

.abt-msg__body p { margin-bottom: 1.2em; }
.abt-msg__body p:last-child { margin-bottom: 0; }

/* ── Special Events ── */
.abt-events__inner {
  max-width: 900px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.abt-events__head { margin-bottom: clamp(1.5rem, 4vw, 2.5rem); }

.abt-events__heading {
  font-family: var(--font-en);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--clr-text);
  letter-spacing: 0.03em;
}

.abt-events__sub {
  font-size: 0.85rem;
  color: var(--clr-gray);
  letter-spacing: 0.1em;
  margin-top: 0.3em;
}

.abt-events__list { display: flex; flex-direction: column; gap: 1.5rem; }

.abt-events__item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(0,0,0,0.1);
}

.abt-events__date {
  font-size: 0.85rem;
  color: var(--clr-gray);
  margin-bottom: 0.3em;
}

.abt-events__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 0.5em;
}

.abt-events__text {
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--clr-gray);
}

.abt-events__thumb {
  width: 160px;
  flex-shrink: 0;
}

.abt-events__thumb-img {
  display: block;
  width: 160px;
  height: 100px;
  object-fit: cover;
  border-radius: 4px;
}

.abt-events__thumb-placeholder {
  width: 160px;
  height: 100px;
  background: #d8d8d8;
  border-radius: 4px;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.cnt-sec__inner {
  max-width: 720px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

/* Form */
.cnt-form__fields { display: flex; flex-direction: column; gap: 0; }

.cnt-form__row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0 1.5rem;
  align-items: start;
  padding-block: 0.8rem;
  border-bottom: 1px solid rgba(0,0,0,0.07);
}

.cnt-form__label {
  padding-top: 0.6rem;
  font-size: 0.9rem;
  color: var(--clr-text);
  font-weight: 400;
  letter-spacing: 0.03em;
}

.cnt-form__required {
  color: var(--clr-crimson);
  margin-left: 0.3em;
  font-size: 0.8em;
}

.cnt-form__text,
.cnt-form__textarea {
  width: 100%;
  padding: 0.55em 0.8em;
  border: 1px solid #ccc;
  border-radius: 2px;
  font-family: var(--font-ja);
  font-size: 0.9rem;
  color: var(--clr-text);
  background: var(--clr-white);
  transition: border-color 0.2s;
  appearance: none;
  -webkit-appearance: none;
}

.cnt-form__text:focus,
.cnt-form__textarea:focus {
  outline: none;
  border-color: var(--clr-crimson);
  box-shadow: 0 0 0 2px rgba(140,26,20,0.12);
}

.cnt-form__textarea { resize: vertical; min-height: 160px; line-height: 1.7; }

/* Buttons */
.cnt-form__actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
}

.kio-btn--reset {
  background-color: #e8e8e8;
  color: var(--clr-text);
  border-color: #e8e8e8;
}
.kio-btn--reset:hover { background-color: #d5d5d5; border-color: #d5d5d5; }

/* Error / Thanks */
.cnt-error {
  background: #fff0f0;
  border: 1px solid #f5c6c6;
  color: var(--clr-crimson);
  padding: 0.8em 1.2em;
  border-radius: 4px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.cnt-thanks {
  text-align: center;
  padding: 3rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--clr-text);
}

/* Contact responsive */
@media (max-width: 640px) {
  .cnt-form__row { grid-template-columns: 1fr; gap: 0.4rem; }
  .cnt-form__label { padding-top: 0; }
}

/* ============================================================
   BRANCHES PAGE
   ============================================================ */

/* Gray hero（写真なし） */
.svc-hero--gray {
  background-color: #888;
  min-height: 320px;
  align-items: flex-end;
}

.svc-hero--gray .svc-hero__heading { color: var(--clr-white); }
.svc-hero--gray .svc-hero__sub     { color: rgba(255,255,255,0.85); }

/* Section */
.brn-sec__inner {
  max-width: 960px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.brn-sec__desc {
  text-align: center;
  font-size: 0.92rem;
  line-height: 2;
  color: var(--clr-gray);
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

/* Grid */
.brn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem 1.5rem;
  list-style: none;
}

/* Card */
.brn-card {
  display: block;
  text-decoration: none;
  color: var(--clr-text);
}

.brn-card__img {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 4px;
  background: #d8d8d8;
  margin-bottom: 0.8rem;
  transition: opacity 0.2s;
}

.brn-card:hover .brn-card__img { opacity: 0.85; }

.brn-card__photo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-out);
}

.brn-card:hover .brn-card__photo { transform: scale(1.04); }

.brn-card__placeholder {
  width: 100%;
  height: 100%;
  background: #d8d8d8;
}

.brn-card__name {
  text-align: center;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--clr-text);
  letter-spacing: 0.02em;
}

/* Branches responsive */
@media (max-width: 768px) {
  .brn-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem 1rem; }
}

@media (max-width: 480px) {
  .brn-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem 0.75rem; }
  .brn-card__name { font-size: 0.8rem; }
}

/* ── About page responsive ── */
@media (max-width: 640px) {
  .abt-officer__grid { grid-template-columns: 1fr; }
  .abt-events__item { grid-template-columns: 1fr; }
  .abt-events__thumb { width: 100%; }
  .abt-events__thumb-img,
  .abt-events__thumb-placeholder { width: 100%; height: 180px; }
}