:root{
  /* Clean Blue & White theme */
  --bg: #f6fbff;
  --panel: #ffffff;
  --card: #ffffff;

  --text: #0b1b2b;
  --muted: #4c637a;

  --line: rgba(10,108,241,.18);
  --accent: #0a6cf1;     /* main blue */
  --accent2: #00a3c4;    /* sub accent (teal-ish) */

  --shadow: 0 10px 28px rgba(12, 41, 79, .10);
  --shadow2: 0 4px 18px rgba(12, 41, 79, .08);

  --radius: 16px;
  --radius2: 22px;
  --container: 1100px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
}

body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 520px at 18% 6%, rgba(10,108,241,.14), transparent 60%),
    radial-gradient(860px 520px at 86% 18%, rgba(0,163,196,.10), transparent 62%),
    linear-gradient(180deg, #eef7ff, #ffffff 40%, #f6fbff);
  line-height: 1.75;
}

body.member-login{
  background:
    radial-gradient(900px 520px at 14% 10%, rgba(18,140,106,.16), transparent 62%),
    radial-gradient(860px 520px at 86% 20%, rgba(240,168,63,.11), transparent 62%),
    linear-gradient(180deg, #f2fbf7, #ffffff 42%, #f7fcfa);
}

a{ color: inherit; }
a:hover{ opacity: .95; }
.nowrap{ white-space: nowrap; }

.container{
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

/* Accessibility */
.skip-link{
  position: absolute;
  left: -999px;
  top: 8px;
  background: #0b1b2b;
  color: #fff;
  padding: 10px 12px;
  border-radius: 10px;
  z-index: 9999;
}
.skip-link:focus{ left: 12px; }

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(10,108,241,.14);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  min-width: 0;
}

.brand{ display: grid; gap: 4px; }
.brand-link{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand-name{
  line-height: 1.1;
  display: inline-flex;
  align-items: center;
  position: relative;
  top: 0;
}
.brand-mark{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  letter-spacing: .06em;
  color: var(--accent);
  padding: 2px;
  border: 1px solid rgba(10,108,241,.24);
  border-radius: 10px;
  background: rgba(10,108,241,.06);
}
.brand-logo{
  display: block;
  width: 100px;
  height: 50px;
  object-fit: contain;
}
.brand-name{
  font-weight: 780;
  font-size: clamp(21px, 1.45vw, 27px);
  letter-spacing: .02em;
}
.brand-note{
  font-size: 12px;
  color: var(--muted);
}

/* Navigation */
.nav{
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav a{
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
}
.nav a:hover{
  background: rgba(10,108,241,.08);
  color: var(--text);
}

/* Public pages: keep top nav on one line */
.nav:not(.nav-member){
  flex: 1 1 auto;
  justify-content: flex-end;
  flex-wrap: nowrap;
  min-width: 0;
}
.nav:not(.nav-member) a{
  flex: 0 0 auto;
}

@media (max-width: 1200px) and (min-width: 841px){
  .nav:not(.nav-member){
    gap: 4px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }
  .nav:not(.nav-member) a{
    font-size: 13px;
    line-height: 1.25;
    padding: 6px 8px;
  }
}

.nav-cta{
  color: #fff !important;
  background: linear-gradient(180deg, rgba(10,108,241,.95), rgba(10,108,241,.86));
  border: 1px solid rgba(10,108,241,.35);
  box-shadow: 0 10px 18px rgba(10,108,241,.16);
}

/* Member pages: many nav items -> compact and non-wrapping */
.nav.nav-member{
  flex: 1 1 auto;
  justify-content: flex-end;
  gap: 4px;
  flex-wrap: nowrap;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.nav.nav-member a{
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  line-height: 1.2;
  padding: 6px 7px;
  white-space: nowrap !important;
  word-break: keep-all;
  overflow-wrap: normal;
  flex: 0 0 auto;
}

/* Member login accent */
.member-login .site-header{
  background: rgba(249,255,252,.86);
  border-bottom: 1px solid rgba(18,140,106,.2);
}
.member-login .brand-note{
  color: #3d6d60;
}
.member-login .nav-cta,
.member-login .btn.primary{
  background: linear-gradient(180deg, #1a9a76, #137e61);
  border-color: rgba(19,126,97,.36);
  box-shadow: 0 10px 18px rgba(19,126,97,.2);
}
.member-login .callout{
  border-color: rgba(19,126,97,.24);
  background: rgba(19,126,97,.08);
}

.nav-toggle{
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(10,108,241,.18);
  background: rgba(255,255,255,.8);
  color: var(--text);
  box-shadow: var(--shadow2);
}
.nav-toggle-lines{
  width: 18px;
  height: 12px;
  position: relative;
  display: inline-block;
}
.nav-toggle-lines::before,
.nav-toggle-lines::after{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}
.nav-toggle-lines::before{ top: 0; }
.nav-toggle-lines::after{ bottom: 0; }
.nav-toggle-label{ font-size: 12px; color: var(--muted); }

/* Hero image */
.hero-image{
  width: 100%;
  height: min(48vw, 420px);
  min-height: 220px;
  overflow: hidden;
}
.hero-image img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  display: block;
}

/* Hero */
.hero{
  padding: 52px 0 24px;
}
.hero-inner{
  display: grid;
  grid-template-columns: 1.5fr .9fr;
  gap: 18px;
  align-items: start;
}
.hero h1{
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: .02em;
}
.lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
}

.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.hero-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.pill{
  font-size: 12px;
  color: var(--muted);
  border: 1px solid rgba(10,108,241,.18);
  background: rgba(255,255,255,.72);
  padding: 6px 10px;
  border-radius: 999px;
}

.hero-card{
  border: 1px solid rgba(10,108,241,.16);
  background: rgba(255,255,255,.86);
  border-radius: var(--radius2);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow);
}
.hero-card-title{
  font-weight: 750;
  margin-bottom: 10px;
}
.notice-list{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
.notice-list li{ margin: 8px 0; }

.badge{
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(10,108,241,.22);
  background: rgba(10,108,241,.08);
  color: var(--text);
  margin-right: 6px;
}

/* Sections */
.section{
  padding: 34px 0;
}
.section[id]{
  scroll-margin-top: 88px;
}
.section h2{
  margin: 0 0 14px;
  font-size: 22px;
  letter-spacing: .02em;
}
.section-head{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}
.muted{ color: var(--muted); }

.grid{
  display: grid;
  gap: 14px;
}
.grid.two{ grid-template-columns: 1fr 1fr; }
.grid.three{ grid-template-columns: 1fr 1fr 1fr; }

.card{
  border: 1px solid rgba(10,108,241,.14);
  background: rgba(255,255,255,.92);
  border-radius: var(--radius2);
  padding: 16px;
  box-shadow: var(--shadow);
}
.card h3{
  margin: 0 0 10px;
  font-size: 18px;
}
.card h4.subhead{
  margin: 14px 0 8px;
  font-size: 14px;
  color: var(--muted);
  font-weight: 680;
  letter-spacing: .02em;
}

.list{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
.list li{ margin: 8px 0; }

.prose p{
  margin: 0 0 12px;
  color: var(--muted);
}
.prose p:last-child{ margin-bottom: 0; }

/* Profile list */
.profile-list{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  color: var(--muted);
}
.profile-list li{
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid rgba(10,108,241,.14);
  border-radius: 14px;
  background: rgba(10,108,241,.04);
}
.profile-list li span{
  color: var(--text);
  font-weight: 700;
}

.card-kicker{
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

/* Hints / Callouts */
.hint{
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px dashed rgba(10,108,241,.26);
  color: var(--muted);
  background: rgba(10,108,241,.04);
  font-size: 13px;
}

.callout{
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius2);
  border: 1px solid rgba(0,163,196,.26);
  background: rgba(0,163,196,.08);
  color: var(--muted);
}

/* Subcards inside a card */
.subcard{
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px dashed rgba(10,108,241,.22);
  background: rgba(10,108,241,.04);
}
.subcard h4{
  margin: 0 0 8px;
}

.membership-benefits h3{
  margin-bottom: 14px;
}
.benefit-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.benefit-block{
  min-width: 0;
  padding: 0 18px 0 0;
}
.benefit-block + .benefit-block{
  padding: 0 0 0 18px;
  border-left: 1px solid rgba(10,108,241,.16);
}
.benefit-block h4{
  margin: 0 0 8px;
  color: var(--muted);
}

/* CTA bar */
.cta-bar{
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius2);
  border: 1px solid rgba(10,108,241,.24);
  background: linear-gradient(180deg, rgba(10,108,241,.06), rgba(255,255,255,.9));
}
.cta-text{ color: var(--muted); }

/* Logo wall (top page placeholder) */
.logo-wall{
  display: grid;
  gap: 18px;
}
.logo-group{
  display: grid;
  gap: 10px;
}
.logo-group-title{
  margin: 0;
  font-size: 18px;
  letter-spacing: .02em;
}
.logo-group-note{
  margin: 0;
  font-size: 13px;
}
.logo-subgroup{
  display: grid;
  gap: 10px;
}
.logo-subgroup + .logo-subgroup{
  margin-top: 8px;
}
.logo-subgroup-title{
  margin: 0;
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--muted);
}
.logo-grid{
  display: grid;
  gap: 12px;
}
.logo-grid-others-row{
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.logo-card h3{
  margin: 0 0 8px;
  font-size: 15px;
}
.logo-card h4{
  margin: 0 0 8px;
  font-size: 15px;
}
.logo-slot{
  aspect-ratio: 16 / 9;
  width: 100%;
  border-radius: 14px;
  border: 1px dashed rgba(10,108,241,.28);
  background:
    linear-gradient(180deg, rgba(10,108,241,.07), rgba(255,255,255,.9)),
    repeating-linear-gradient(
      -45deg,
      rgba(10,108,241,.05) 0 8px,
      rgba(10,108,241,.02) 8px 16px
    );
  display: grid;
  place-items: center;
  color: var(--muted);
  text-align: center;
  padding: 10px;
  font-size: 12px;
  letter-spacing: .02em;
}
.logo-slot.is-ready{
  border-style: solid;
  background: rgba(255,255,255,.98);
}
.logo-slot-link{
  text-decoration: none;
}
.logo-slot-link:hover{
  border-color: rgba(10,108,241,.46);
  box-shadow: 0 6px 14px rgba(10,108,241,.14);
}
.logo-slot img{
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: 12px;
  padding: 10px;
}
.logo-caption{
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid rgba(10,108,241,.18);
  text-decoration: none;
  font-weight: 720;
  letter-spacing: .01em;
}

.btn.primary{
  background: linear-gradient(180deg, rgba(10,108,241,.96), rgba(10,108,241,.86));
  border-color: rgba(10,108,241,.30);
  color: #fff;
  box-shadow: 0 12px 18px rgba(10,108,241,.16);
}

.btn.danger{
  background: linear-gradient(180deg, rgba(226,66,52,.98), rgba(196,49,46,.92));
  border-color: rgba(226,66,52,.38);
  color: #fff;
  box-shadow: 0 12px 18px rgba(226,66,52,.18);
}
.btn.danger:hover{
  background: linear-gradient(180deg, rgba(236,79,64,.98), rgba(206,58,55,.92));
}

.btn.ghost{
  background: rgba(255,255,255,.78);
  color: var(--text);
}
.btn.ghost:hover{
  background: rgba(10,108,241,.06);
}

/* Footer */
.site-footer{
  border-top: 1px solid rgba(10,108,241,.14);
  padding: 22px 0;
  margin-top: 10px;
  background: rgba(255,255,255,.65);
}
.footer-inner{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.footer-brand{
  font-weight: 780;
  letter-spacing: .02em;
}
.footer-note{
  font-size: 12px;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 920px){
  .hero-inner{ grid-template-columns: 1fr; }
  .grid.three{ grid-template-columns: 1fr; }
  .grid.two{ grid-template-columns: 1fr; }
  .benefit-grid{ grid-template-columns: 1fr; gap: 14px; }
  .benefit-block,
  .benefit-block + .benefit-block{
    padding: 0;
    border-left: 0;
  }
  .benefit-block + .benefit-block{
    padding-top: 14px;
    border-top: 1px solid rgba(10,108,241,.16);
  }
  .logo-grid-others-row{ grid-template-columns: 1fr 1fr; }
  .section-head{ flex-direction: column; align-items: flex-start; }
}

@media (max-width: 840px){
  .brand-name{ font-size: 19px; }
  .nav-toggle{ display: inline-flex; }
  .nav{
    position: absolute;
    right: 20px;
    top: 64px;
    width: min(520px, calc(100% - 40px));
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 10px;
    border-radius: var(--radius2);
    border: 1px solid rgba(10,108,241,.16);
    background: rgba(255,255,255,.92);
    box-shadow: var(--shadow);
  }
  .nav.is-open{ display: flex; }
  .nav a{ padding: 10px 12px; }
  .nav.nav-member{
    overflow-x: visible;
  }
  .nav.nav-member a{
    font-size: 13px;
    line-height: 1.4;
    white-space: nowrap !important;
    word-break: keep-all;
    flex: initial;
  }
  .logo-grid-others-row{ grid-template-columns: 1fr; }
}