/* ==========================================================
   みんなの品川スポーツFES.2026 Sponsor LP
   Design tokens based on shinagawa.cc (renewal2023)
   ========================================================== */

:root {
  --c-navy: #193263;
  --c-navy-dark: #021b4e;
  --c-navy-accent: #0f3464;
  --c-white: #ffffff;
  --c-off-white: #f7f7f7;
  --c-gray-100: #eef1f6;
  --c-gray-300: #c7cedb;
  --c-gray-500: #6e7890;
  --c-gray-700: #2b3246;
  --c-black: #000000;
  --c-gold: #c9a24b;
  --c-platinum: #8a9bb8;
  --c-accent: #e63946;

  --ff-jp: 'Noto Sans JP', sans-serif;
  --ff-en: 'Teko', sans-serif;
  --ff-en-sub: 'Jost', sans-serif;

  --container: 1200px;
  --radius: 4px;
  --shadow-sm: 0 2px 8px rgba(2, 27, 78, 0.08);
  --shadow-md: 0 8px 24px rgba(2, 27, 78, 0.12);
  --transition: 0.3s cubic-bezier(.2,.7,.3,1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  font-family: var(--ff-jp);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-gray-700);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-navy); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-accent); }

h1, h2, h3, h4 { margin: 0; line-height: 1.4; font-weight: 700; color: var(--c-navy-dark); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.sp-only { display: none; }
@media (max-width: 768px) {
  .sp-only { display: inline; }
  .pc-only { display: none; }
}

/* ============ HEADER ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-gray-100);
}

.site-header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-header__logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  color: var(--c-navy-dark);
}
.site-header__logo .logo-en {
  font-family: var(--ff-en);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--c-navy);
}
.site-header__logo .logo-jp {
  font-family: var(--ff-jp);
  font-size: 11px;
  font-weight: 700;
  margin-top: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--c-gray-700);
  position: relative;
}
.site-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--c-navy);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}
.site-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}
.site-nav .nav-cta {
  background: var(--c-navy);
  color: var(--c-white);
  padding: 8px 18px;
  border-radius: var(--radius);
}
.site-nav .nav-cta::after { display: none; }
.site-nav .nav-cta:hover {
  background: var(--c-navy-dark);
  color: var(--c-white);
}

@media (max-width: 900px) {
  .site-nav { display: none; }
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  color: var(--c-white);
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(2, 27, 78, 0.82) 0%, rgba(25, 50, 99, 0.72) 50%, rgba(2, 27, 78, 0.88) 100%),
    url('hero-bg.jpg') center top/cover no-repeat,
    var(--c-navy-dark);
  z-index: -1;
}
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.6;
}
.hero__bg::after {
  content: 'SHINAGAWA';
  position: absolute;
  right: -5%;
  bottom: 10%;
  font-family: var(--ff-en);
  font-size: clamp(120px, 20vw, 320px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.04);
  letter-spacing: 0.02em;
  line-height: 1;
  pointer-events: none;
}

.hero__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  width: 100%;
}

.hero__eyebrow {
  display: inline-block;
  font-family: var(--ff-jp);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-white);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(6px);
  margin: 0 0 24px;
  padding: 8px 20px 8px 36px;
  border-radius: 999px;
  position: relative;
}
.hero__eyebrow::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff5252;
  box-shadow: 0 0 0 0 rgba(255, 82, 82, 0.6);
  animation: pulse-dot 2s ease-out infinite;
}
@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0 rgba(255, 82, 82, 0.7); }
  70%  { box-shadow: 0 0 0 8px rgba(255, 82, 82, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 82, 82, 0); }
}

.hero__title {
  margin: 0 0 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.hero__title-jp-main {
  font-family: var(--ff-jp);
  font-weight: 900;
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--c-white);
}
.hero__title-jp-sub {
  font-family: var(--ff-jp);
  font-weight: 500;
  font-size: clamp(15px, 1.5vw, 20px);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.02em;
}

.hero__lead {
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 2;
  color: rgba(255, 255, 255, 0.92);
  max-width: 640px;
  margin: 0 0 40px;
}
.hero__lead strong {
  color: var(--c-white);
  border-bottom: 2px solid rgba(255, 255, 255, 0.4);
  padding-bottom: 2px;
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  max-width: 720px;
  margin-bottom: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.hero__meta-item {
  padding: 20px 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}
.hero__meta-item:last-child { border-right: none; }
.hero__meta-item .label {
  display: block;
  font-family: var(--ff-en-sub);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 6px;
}
.hero__meta-item .value {
  display: block;
  font-family: var(--ff-en);
  font-size: clamp(18px, 1.6vw, 24px);
  font-weight: 500;
  color: var(--c-white);
  line-height: 1.3;
  word-break: keep-all;
  overflow-wrap: normal;
}
.hero__meta-item .value small {
  font-size: 0.7em;
  margin-left: 4px;
  opacity: 0.7;
}

.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--ff-en-sub);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.6);
  padding-top: 40px;
}
.hero__scroll::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 30px;
  background: rgba(255, 255, 255, 0.6);
  animation: scrollHint 1.8s ease-in-out infinite;
}

@keyframes scrollHint {
  0%, 100% { transform: translateX(-50%) scaleY(0.3); transform-origin: top; }
  50% { transform: translateX(-50%) scaleY(1); transform-origin: top; }
}

@media (max-width: 768px) {
  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero__meta { grid-template-columns: 1fr; }
  .hero__meta-item { border-right: none; border-bottom: 1px solid rgba(255, 255, 255, 0.2); }
  .hero__meta-item:last-child { border-bottom: none; }
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  font-family: var(--ff-jp);
  font-weight: 700;
  font-size: 15px;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}
.btn__icon {
  font-family: var(--ff-en-sub);
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
}
.btn--primary {
  background: var(--c-white);
  color: var(--c-navy-dark);
}
.btn--primary:hover {
  background: var(--c-navy);
  color: var(--c-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn--ghost {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255, 255, 255, 0.4);
}
.btn--ghost:hover {
  background: var(--c-white);
  color: var(--c-navy-dark);
  border-color: var(--c-white);
}

/* ============ SECTION HEAD ============ */
.section {
  padding: 100px 0;
  position: relative;
}

.section-head {
  margin-bottom: 56px;
  text-align: center;
}
.section-head__en {
  display: block;
  font-family: var(--ff-en);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--c-navy);
  line-height: 1;
  margin-bottom: 8px;
}
.section-head__jp {
  font-family: var(--ff-jp);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-gray-700);
  letter-spacing: 0.1em;
}
.section-head__jp::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--c-navy);
  vertical-align: middle;
  margin-right: 14px;
}
.section-head__jp::after {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--c-navy);
  vertical-align: middle;
  margin-left: 14px;
}

.section-head--light .section-head__en { color: var(--c-white); }
.section-head--light .section-head__jp { color: rgba(255, 255, 255, 0.9); }
.section-head--light .section-head__jp::before,
.section-head--light .section-head__jp::after { background: var(--c-white); }

@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .section-head { margin-bottom: 40px; }
}

/* ============ ABOUT ============ */
.section--about { background: var(--c-white); }

.about__body {
  max-width: 820px;
  margin: 0 auto 64px;
  text-align: center;
}
.about__lead {
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 700;
  line-height: 1.7;
  color: var(--c-navy-dark);
  margin: 0 0 32px;
}
.about__lead strong {
  color: var(--c-navy);
  background: linear-gradient(transparent 60%, rgba(25, 50, 99, 0.1) 60%);
  padding: 0 4px;
}
.about__text {
  font-size: 15px;
  line-height: 2;
  margin: 0 0 16px;
  text-align: left;
}
.about__text strong {
  color: var(--c-navy);
  font-weight: 700;
}

.about__hosts {
  max-width: 780px;
  margin: 40px auto 0;
  padding: 28px 36px;
  background: var(--c-off-white);
  border-radius: var(--radius);
  text-align: center;
}
.about__hosts-label {
  display: inline-block;
  font-family: var(--ff-en-sub);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.25em;
  color: var(--c-gray-500);
  margin: 0 0 20px;
  padding: 0 16px;
  position: relative;
}
.about__hosts-label::before,
.about__hosts-label::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40px;
  height: 1px;
  background: var(--c-gray-300);
}
.about__hosts-label::before { right: 100%; }
.about__hosts-label::after { left: 100%; }

.about__hosts-logos {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.about__hosts-logos li {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 48px;
}
.about__hosts-logos img {
  height: 100%;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

.about__credit {
  display: grid;
  grid-template-columns: auto auto;
  justify-content: center;
  column-gap: 20px;
  row-gap: 6px;
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid var(--c-gray-300);
  text-align: left;
}
.about__credit dt {
  font-family: var(--ff-en-sub);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--c-gray-500);
  padding-top: 2px;
  text-align: right;
}
.about__credit dd {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-navy-dark);
  line-height: 1.5;
}

@media (max-width: 600px) {
  .about__hosts { padding: 24px 16px; }
  .about__hosts-logos { gap: 24px; }
  .about__hosts-logos li { height: 44px; }
  .about__hosts-logos img { max-width: 130px; }
}

.about__features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.about__features li {
  background: var(--c-off-white);
  padding: 40px 32px;
  border-radius: var(--radius);
  border-top: 4px solid var(--c-navy);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.about__features li:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.about__features .num {
  font-family: var(--ff-en);
  font-size: 48px;
  font-weight: 600;
  color: var(--c-navy);
  line-height: 1;
  display: block;
  margin-bottom: 16px;
}
.about__features h3 {
  font-size: 20px;
  margin-bottom: 12px;
}
.about__features p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-gray-500);
}
@media (max-width: 768px) {
  .about__features { grid-template-columns: 1fr; gap: 16px; }
}

/* ============ GALLERY ============ */
.section--gallery {
  background: var(--c-white);
  padding-top: 20px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 320px 240px;
  gap: 12px;
}
.gallery__item {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  position: relative;
  background: var(--c-off-white);
}
.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(.2,.7,.3,1);
}
.gallery__item:hover img { transform: scale(1.04); }

.gallery__item--lg {
  grid-column: span 2;
  grid-row: span 2;
}

@media (max-width: 900px) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: 220px 160px 160px;
  }
  .gallery__item--lg {
    grid-column: span 2;
    grid-row: span 1;
  }
}
@media (max-width: 480px) {
  .gallery {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(5, 200px);
  }
  .gallery__item--lg {
    grid-column: auto;
    grid-row: auto;
  }
}

/* ============ REACH ============ */
.section--reach {
  background: var(--c-navy-dark);
  color: var(--c-white);
  position: relative;
  overflow: hidden;
}
.section--reach::before {
  content: 'IMPACT';
  position: absolute;
  top: 50%;
  left: -5%;
  transform: translateY(-50%);
  font-family: var(--ff-en);
  font-size: clamp(150px, 22vw, 360px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.025);
  line-height: 1;
  pointer-events: none;
}

.reach__lead {
  text-align: center;
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 2;
  max-width: 720px;
  margin: 0 auto 56px;
  color: rgba(255, 255, 255, 0.9);
  position: relative;
}
.reach__lead strong {
  color: var(--c-white);
  border-bottom: 2px solid rgba(255, 255, 255, 0.4);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  margin-bottom: 72px;
}
.stat {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 36px 24px;
  text-align: center;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.stat:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
}
.stat__num {
  display: block;
  font-family: var(--ff-en);
  font-size: clamp(48px, 5vw, 80px);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1;
  margin-bottom: 8px;
}
.stat__num small {
  font-size: 0.5em;
  font-weight: 500;
  margin-left: 4px;
  color: rgba(255, 255, 255, 0.7);
}
.stat__label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.05em;
  line-height: 1.5;
}
.stat__label small {
  display: block;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 4px;
  font-weight: 400;
}

.reach__channels {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 40px;
  border-radius: var(--radius);
  position: relative;
}
.reach__channels h3 {
  font-size: 16px;
  color: var(--c-white);
  margin: 0 0 20px;
  letter-spacing: 0.1em;
}
.reach__channels ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.reach__channels li {
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  font-size: 13px;
  color: var(--c-white);
}
@media (max-width: 768px) {
  .stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat { padding: 24px 16px; }
}

/* ============ VALUE ============ */
.section--value {
  background: var(--c-off-white);
  position: relative;
}

.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.value-card {
  background: var(--c-white);
  padding: 48px 36px;
  border-radius: var(--radius);
  position: relative;
  transition: all var(--transition);
  border-top: 4px solid var(--c-navy);
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.value-card__num {
  position: absolute;
  top: 24px;
  right: 28px;
  font-family: var(--ff-en);
  font-size: 56px;
  font-weight: 600;
  color: var(--c-gray-100);
  line-height: 1;
}
.value-card h3 {
  font-size: 24px;
  margin: 0 0 6px;
  color: var(--c-navy-dark);
}
.value-card__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--c-navy);
  letter-spacing: 0.1em;
  background: rgba(25, 50, 99, 0.08);
  padding: 4px 12px;
  border-radius: 999px;
  margin: 0 0 20px;
}
.value-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.value-card li {
  position: relative;
  padding: 10px 0 10px 28px;
  border-top: 1px solid var(--c-gray-100);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-gray-700);
}
.value-card li:first-child { border-top: none; padding-top: 12px; }
.value-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 18px;
  width: 14px;
  height: 2px;
  background: var(--c-navy);
}
@media (max-width: 768px) {
  .values { grid-template-columns: 1fr; gap: 16px; }
}

/* ============ PLANS ============ */
.section--plans {
  background: var(--c-navy);
  color: var(--c-white);
  position: relative;
}

.plan-group { margin-bottom: 72px; }
.plan-group:last-of-type { margin-bottom: 40px; }

.plan-group__title {
  font-size: clamp(20px, 2vw, 26px);
  color: var(--c-white);
  margin: 0 0 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.plan-group__tag {
  display: inline-block;
  font-family: var(--ff-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.15em;
  background: rgba(255, 255, 255, 0.15);
  color: var(--c-white);
  padding: 4px 12px;
  border-radius: var(--radius);
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.plan-grid--single { grid-template-columns: repeat(3, 1fr); }
.plan-grid--single .plan-card { grid-column: 1 / 2; }

@media (max-width: 1000px) { .plan-grid { grid-template-columns: repeat(2, 1fr); } .plan-grid--single .plan-card { grid-column: auto; } }
@media (max-width: 600px) { .plan-grid { grid-template-columns: 1fr; } }

.plan-card {
  background: var(--c-white);
  color: var(--c-gray-700);
  padding: 32px 28px 28px;
  border-radius: var(--radius);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}
.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.plan-card__ribbon {
  position: absolute;
  top: 0; left: 0;
  font-family: var(--ff-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--c-white);
  background: var(--c-navy);
  padding: 6px 14px 6px 12px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.plan-card--base .plan-card__ribbon { background: var(--c-navy); }
.plan-card--platinum .plan-card__ribbon { background: linear-gradient(135deg, #4a5670, #8a9bb8); }
.plan-card--gold .plan-card__ribbon { background: linear-gradient(135deg, #b58a2a, #e0c870); }
.plan-card--booth .plan-card__ribbon { background: #2d5ba0; }
.plan-card--supporting .plan-card__ribbon { background: var(--c-gray-500); }
.plan-card--stage .plan-card__ribbon { background: linear-gradient(135deg, #7a2e8c, #c44bc7); }
.plan-card--kids .plan-card__ribbon { background: linear-gradient(135deg, #d35400, #f39c12); }
.plan-card--kids-court .plan-card__ribbon { background: #16a085; }

.plan-card--platinum { border-top: 3px solid #8a9bb8; }
.plan-card--gold { border-top: 3px solid #c9a24b; }
.plan-card--booth { border-top: 3px solid #2d5ba0; }
.plan-card--supporting { border-top: 3px solid var(--c-gray-500); }
.plan-card--stage { border-top: 3px solid #a13db3; }
.plan-card--kids { border-top: 3px solid #e67e22; }
.plan-card--kids-court { border-top: 3px solid #16a085; }
.plan-card--base { border-top: 3px solid var(--c-navy); }

.plan-card__head {
  margin-top: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--c-gray-100);
  margin-bottom: 20px;
}
.plan-card__tagline {
  display: inline-block;
  font-family: var(--ff-en-sub);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--c-navy);
  background: rgba(25, 50, 99, 0.08);
  padding: 3px 10px;
  border-radius: 999px;
  margin: 0 0 10px;
}
.plan-card__head h4 {
  font-size: 16px;
  color: var(--c-navy-dark);
  margin: 0 0 12px;
  line-height: 1.4;
}
.plan-card__price {
  font-family: var(--ff-en);
  font-size: 44px;
  font-weight: 600;
  color: var(--c-navy);
  line-height: 1;
  margin: 0 0 4px;
}
.plan-card__price small {
  font-family: var(--ff-jp);
  font-size: 14px;
  font-weight: 700;
  margin-left: 4px;
  color: var(--c-gray-700);
}
.plan-card__slots {
  font-family: var(--ff-en-sub);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--c-gray-500);
  margin: 0;
  text-transform: uppercase;
}

.plan-card__benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  flex: 1;
}
.plan-card__benefits li {
  position: relative;
  padding: 8px 0 8px 22px;
  font-size: 13px;
  line-height: 1.7;
  border-top: 1px dashed var(--c-gray-100);
}
.plan-card__benefits li:first-child { border-top: none; padding-top: 4px; }
.plan-card__benefits li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 8px;
  background: var(--c-navy);
  border-radius: 50%;
}

.plan-card__note {
  font-size: 12px;
  color: var(--c-gray-500);
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--c-gray-100);
}

.plan-notes {
  background: rgba(255, 255, 255, 0.05);
  border-left: 3px solid rgba(255, 255, 255, 0.3);
  padding: 20px 24px;
  border-radius: var(--radius);
}
.plan-notes p {
  margin: 4px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
}

/* ============ FLOW ============ */
.section--flow { background: var(--c-white); }

.flow {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: flow-counter;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
}
.flow::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--c-gray-100);
  z-index: 0;
}
.flow li {
  position: relative;
  text-align: center;
  padding: 0 8px;
}
.flow__step {
  display: inline-block;
  font-family: var(--ff-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-white);
  background: var(--c-navy);
  padding: 18px 0;
  border-radius: 50%;
  width: 72px;
  height: 72px;
  line-height: 1.2;
  position: relative;
  z-index: 1;
  margin-bottom: 20px;
}
.flow li h3 {
  font-size: 15px;
  margin: 0 0 8px;
  color: var(--c-navy-dark);
}
.flow li p {
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-gray-500);
  margin: 0;
}
@media (max-width: 900px) {
  .flow { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .flow::before { display: none; }
}
@media (max-width: 480px) {
  .flow { grid-template-columns: 1fr; }
}

/* ============ CONTACT ============ */
.section--contact {
  background: var(--c-navy-dark);
  color: var(--c-white);
  padding-bottom: 120px;
}

.contact__lead {
  text-align: center;
  font-size: 15px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 auto 48px;
  max-width: 640px;
}

.contact__form-wrap {
  max-width: 720px;
  margin: 0 auto 56px;
  background: var(--c-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.contact__form-iframe {
  width: 100%;
  height: 1400px;
  border: 0;
  display: block;
  background: var(--c-white);
}

@media (max-width: 600px) {
  .contact__form-iframe { height: 1600px; }
}

.contact__direct {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 32px 40px;
  border-radius: var(--radius);
  max-width: 720px;
  margin: 0 auto;
}
.contact__direct h3 {
  font-size: 15px;
  color: var(--c-white);
  margin: 0 0 20px;
  letter-spacing: 0.1em;
}
.contact__direct dl {
  margin: 0;
  display: grid;
  grid-template-columns: 120px 1fr;
  row-gap: 12px;
}
.contact__direct dt {
  font-size: 12px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.1em;
  padding-top: 4px;
}
.contact__direct dd {
  margin: 0;
  font-size: 14px;
  color: var(--c-white);
}
.contact__direct a { color: var(--c-white); border-bottom: 1px solid rgba(255, 255, 255, 0.4); }
.contact__direct a:hover { color: var(--c-white); border-bottom-color: var(--c-white); }

/* ============ FOOTER ============ */
.site-footer {
  background: var(--c-black);
  color: rgba(255, 255, 255, 0.7);
  padding: 40px 0 28px;
  text-align: center;
}
.site-footer__logo {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-white);
  margin: 0 0 12px;
  letter-spacing: 0.05em;
}
.site-footer__org {
  font-size: 12px;
  line-height: 1.8;
  margin: 0 0 20px;
  color: rgba(255, 255, 255, 0.6);
}
.site-footer__copy {
  font-family: var(--ff-en-sub);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.4);
  margin: 0;
}