/* ============================================================
   iMUBON × はうす結 8/8 イベント LP 専用スタイル
   - チラシのアイボリー/墨/金トーン + NOB MIYAKE のミニマル品格
   - モバイル基準 (320px-) / max-width 720-880px
   ============================================================ */

/* ---- 星のシルエット背景 (チラシモチーフ) ---- */
body {
  background-color: var(--color-ivory);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220' viewBox='0 0 220 220'><g fill='%23C9A876' opacity='0.07'><path d='M40 30 L43 40 L53 40 L45 46 L48 56 L40 50 L32 56 L35 46 L27 40 L37 40 Z'/><path d='M170 70 L172 77 L179 77 L173 81 L175 88 L170 84 L165 88 L167 81 L161 77 L168 77 Z'/><path d='M110 140 L113 150 L123 150 L115 156 L118 166 L110 160 L102 166 L105 156 L97 150 L107 150 Z'/><path d='M180 180 L182 186 L188 186 L183 190 L185 196 L180 192 L175 196 L177 190 L172 186 L178 186 Z'/></g></svg>");
  background-repeat: repeat;
  background-size: 440px 440px;
}

/* ---- 共通 ---- */
section {
  padding-block: var(--space-section);
}

.section-heading {
  font-size: clamp(1.5rem, 4.5vw, 2rem);
  text-align: center;
  margin-bottom: var(--space-block);
  font-weight: 500;
}

.lead {
  font-size: 1.05rem;
  line-height: var(--leading-relaxed);
  text-align: center;
  max-width: 28em;
  margin-inline: auto;
}

/* ============================================================
   1. Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-block: clamp(80px, 14vw, 140px);
  text-align: center;
  overflow: hidden;
  background-color: var(--color-ivory);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  filter: sepia(0.2) saturate(0.7);
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(245, 239, 228, 0.7) 0%,
    rgba(245, 239, 228, 0.85) 100%
  );
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding-inline: var(--space-inline);
  max-width: 36em;
}

.hero__date {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.32em;
  color: var(--color-gold-deep);
  margin-bottom: 2em;
}

.hero__title {
  font-size: clamp(1.875rem, 7vw, 3rem);
  line-height: 1.6;
  letter-spacing: 0.16em;
  font-weight: 500;
  margin-bottom: 1.5em;
}

.hero__title span {
  display: inline-block;
}

.hero__sub {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-sumi-soft);
  margin-bottom: 3em;
}

.hero__sub strong {
  font-weight: 500;
  color: var(--color-sumi);
  letter-spacing: 0.08em;
}

.hero__cta {
  display: inline-block;
  padding: 1em 2.5em;
  border: 1px solid var(--color-gold);
  background-color: transparent;
  color: var(--color-sumi);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  text-decoration: none;
  transition: all 400ms ease;
}

.hero__cta:hover,
.hero__cta:focus-visible {
  background-color: var(--color-gold);
  color: var(--color-ivory);
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  color: var(--color-warm-grey);
  z-index: 1;
}

.hero__scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 32px;
  margin: 8px auto 0;
  background: var(--color-gold);
}

/* ============================================================
   2. About iMUBON
   ============================================================ */
.about {
  background-color: var(--color-ivory);
}

.about__intro {
  font-size: clamp(1.05rem, 2.8vw, 1.2rem);
  line-height: var(--leading-relaxed);
  text-align: center;
  margin-bottom: var(--space-block);
}

.about__intro strong {
  font-weight: 500;
  color: var(--color-gold-deep);
}

.about__body p {
  margin-bottom: 1.6em;
  line-height: var(--leading-relaxed);
}

.about__gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-block: var(--space-block);
}

@media (min-width: 600px) {
  .about__gallery {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

.about__gallery figure {
  margin: 0;
}

.about__gallery img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  filter: sepia(0.1) saturate(0.85);
}

.about__credit {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  text-align: center;
  color: var(--color-warm-grey);
  letter-spacing: 0.16em;
  margin-top: 1.5em;
}

.about__omutsu {
  margin-top: var(--space-block);
  padding: var(--space-block) var(--space-inline);
  background-color: var(--color-ivory-deep);
  border-left: 2px solid var(--color-gold);
}

.about__omutsu figure {
  margin: 0 0 1.5em 0;
}

.about__omutsu img {
  width: 100%;
  max-width: 240px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  margin: 0 auto 1.5em;
  filter: sepia(0.1) saturate(0.85);
}

.about__omutsu p {
  font-size: 0.95rem;
  line-height: var(--leading-relaxed);
}

/* ============================================================
   3. Event Overview
   ============================================================ */
.event-overview {
  background-color: var(--color-ivory-deep);
  text-align: center;
}

.event-overview__lead {
  font-size: clamp(1.3rem, 4vw, 1.6rem);
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.8;
  margin-bottom: 1.5em;
}

.event-overview__body p {
  font-size: 1rem;
  line-height: var(--leading-relaxed);
}

/* ============================================================
   4. Timetable
   ============================================================ */
.timetable {
  background-color: var(--color-ivory);
}

.timetable__list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 560px;
  margin-inline: auto;
}

.timetable__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 28px 24px;
  border: 1px solid var(--color-line);
  background-color: var(--color-ivory);
  position: relative;
}

@media (min-width: 600px) {
  .timetable__item {
    grid-template-columns: 180px 1fr;
    gap: 24px;
    padding: 32px 32px;
    align-items: start;
  }
}

.timetable__time {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  color: var(--color-gold-deep);
  font-weight: 500;
  padding-top: 2px;
}

.timetable__body h3 {
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 0.5em;
  letter-spacing: 0.1em;
}

.timetable__body p {
  font-size: 0.95rem;
  line-height: var(--leading-normal);
  color: var(--color-sumi-soft);
  margin-bottom: 0.6em;
}

.timetable__tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  padding: 4px 10px;
  border: 1px solid var(--color-gold);
  color: var(--color-gold-deep);
  margin-right: 6px;
  margin-top: 6px;
}

.timetable__tag--accent {
  background-color: var(--color-gold);
  color: var(--color-ivory);
}

.timetable__note {
  margin-top: var(--space-block);
  font-size: 0.85rem;
  color: var(--color-warm-grey);
  text-align: center;
  line-height: 1.8;
}

/* ============================================================
   5. Venue / Access
   ============================================================ */
.venue {
  background-color: var(--color-ivory-deep);
}

.venue__info {
  text-align: center;
  margin-bottom: var(--space-block);
}

.venue__name {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  margin-bottom: 1em;
}

.venue__address {
  font-size: 1rem;
  line-height: var(--leading-normal);
  margin-bottom: 1.5em;
}

.venue__access {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  line-height: 2;
  color: var(--color-sumi-soft);
}

.venue__access dt {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--color-gold-deep);
  margin-right: 0.5em;
}

.venue__access dd {
  display: inline;
}

.venue__access dd::after {
  content: '';
  display: block;
}

.venue__map {
  width: 100%;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--color-line);
  background-color: var(--color-ivory);
}

@media (min-width: 600px) {
  .venue__map {
    aspect-ratio: 16 / 9;
  }
}

/* ============================================================
   6. Hosts
   ============================================================ */
.hosts {
  background-color: var(--color-ivory);
  text-align: center;
}

.hosts__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: 560px;
  margin-inline: auto;
}

@media (min-width: 600px) {
  .hosts__list {
    grid-template-columns: 1fr 1fr;
  }
}

.hosts__item {
  padding: 32px 24px;
  border: 1px solid var(--color-line);
}

.hosts__role {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.32em;
  color: var(--color-gold-deep);
  margin-bottom: 0.8em;
}

.hosts__name {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.16em;
}

/* ============================================================
   7a. Application (ごちゃまぜ子ども食堂 申込 / GAS Web App)
   ============================================================ */
.apply-food {
  background-color: var(--color-ivory);
  text-align: center;
}

.apply-food__lead {
  font-size: 1rem;
  line-height: var(--leading-relaxed);
  max-width: 32em;
  margin: 0 auto var(--space-block);
  color: var(--color-sumi-soft);
}

.apply-food__embed {
  max-width: 600px;
  margin-inline: auto;
  border: 1px solid var(--color-gold);
  background-color: var(--color-ivory);
  position: relative;
  padding: 4px;
}

.apply-food__embed::before,
.apply-food__embed::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--color-gold);
}

.apply-food__embed::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.apply-food__embed::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

.apply-food__embed iframe {
  display: block;
  width: 100%;
  min-height: 720px;
  border: 0;
  background-color: var(--color-ivory);
}

/* ============================================================
   7b. Reserve (TimeRex)
   ============================================================ */
.reserve {
  background-color: var(--color-ivory-deep);
  text-align: center;
}

.cta-card {
  max-width: 520px;
  margin-inline: auto;
  padding: clamp(40px, 8vw, 64px) clamp(24px, 5vw, 40px);
  background-color: var(--color-ivory);
  border: 1px solid var(--color-gold);
  position: relative;
}

.cta-card::before,
.cta-card::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--color-gold);
}

.cta-card::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.cta-card::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

.cta-card .cta-title {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  margin-bottom: 0.8em;
}

.cta-card .placeholder-note {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-warm-grey);
  letter-spacing: 0.08em;
  line-height: 1.9;
}

.reserve__caption {
  margin-top: 2em;
  font-size: 0.85rem;
  color: var(--color-warm-grey);
  line-height: 1.9;
}

/* ============================================================
   8. Contact
   ============================================================ */
.contact {
  background-color: var(--color-ivory);
  text-align: center;
}

.contact__primary {
  font-size: 1rem;
  line-height: var(--leading-relaxed);
  margin-bottom: 1em;
}

.contact__email {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  color: var(--color-navy);
  border-bottom: 1px solid var(--color-gold);
  padding-bottom: 2px;
  word-break: break-all;
}

.contact__note {
  margin-top: 2em;
  font-size: 0.85rem;
  color: var(--color-warm-grey);
}

/* ============================================================
   9. Footer
   ============================================================ */
.footer {
  background-color: var(--color-sumi);
  color: var(--color-ivory);
  padding-block: clamp(40px, 8vw, 64px);
  text-align: center;
}

.footer__brand {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.32em;
  margin-bottom: 0.5em;
  color: var(--color-gold);
}

.footer__corp {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--color-warm-grey);
  margin-bottom: 1.5em;
}

.footer__copy {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  color: var(--color-warm-grey);
}

/* ============================================================
   Scroll-in animation
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}