/* ============================================================
   ASI Social Scheduler — デザインシステム（モバイルファースト）
   DNA: smart-mart sales-dashboard (--sd-* トークン) をクローン
   ルール: 絵文字禁止→ss_icon / インラインstyle禁止 / input16px以上 / カードはフラット1px
   ============================================================ */

:root {
  --ss-ink:        #1c2b33;
  --ss-ink-soft:   #5b6b76;
  --ss-ink-muted:  #8496a1;
  --ss-bg:         #f5f7fa;
  --ss-white:      #ffffff;
  --ss-line:       #e0e5eb;
  --ss-line-light: #f0f3f6;

  --ss-blue:       #0668E1;
  --ss-blue-dark:  #0558C0;
  --ss-blue-bg:    #eef5fe;

  --ss-red:        #dc2626;
  --ss-red-bg:     #fef2f2;
  --ss-green:      #16a34a;
  --ss-green-bg:   #f0fdf4;
  --ss-orange:     #ea580c;
  --ss-orange-bg:  #fff7ed;
  --ss-amber-bg:   #fefce8;

  --ss-radius:     10px;
  --ss-radius-sm:  6px;
  --ss-radius-lg:  16px;
  --ss-pill:       999px;
  --ss-shadow:     0 2px 4px rgba(28,43,51,.06);
  --ss-shadow-md:  0 4px 12px rgba(28,43,51,.09);
  --ss-shadow-lg:  0 8px 24px rgba(28,43,51,.12);

  --ss-maxw:       1120px;
  --ss-maxw-wide:  1200px;
  --ss-appbar-h:   56px;
  --ss-botnav-h:   60px;

  --ss-font: "LINE Seed JP","Hiragino Kaku Gothic ProN","Hiragino Sans",
             "Noto Sans JP", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ss-font);
  color: var(--ss-ink);
  background: var(--ss-bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
[hidden] { display: none !important; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ss-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1,h2,h3,h4 { line-height: 1.35; margin: 0 0 .5em; font-weight: 800; letter-spacing: .01em; }
p { margin: 0 0 1em; }

.ss-icon { display: inline-block; vertical-align: -0.18em; flex: none; }

/* ---------- レイアウト ---------- */
.ss-container { width: 100%; max-width: var(--ss-maxw); margin: 0 auto; padding: 0 16px; }
.ss-container--wide { max-width: var(--ss-maxw-wide); }
.ss-section { padding: 40px 0; }
.ss-muted { color: var(--ss-ink-muted); }
.ss-soft { color: var(--ss-ink-soft); }
.ss-center { text-align: center; }
.ss-stack > * + * { margin-top: 14px; }
.ss-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ss-row--between { justify-content: space-between; }
.ss-spacer { flex: 1 1 auto; }
.ss-hide-mobile { display: none; }

/* ---------- アプリバー（上部） ---------- */
.ss-appbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--ss-appbar-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--ss-line);
  display: flex; align-items: center;
}
.ss-appbar__inner { width: 100%; max-width: var(--ss-maxw-wide); margin: 0 auto;
  padding: 0 16px; display: flex; align-items: center; gap: 14px; }
.ss-brand { display: flex; align-items: center; gap: 8px; font-weight: 800; color: var(--ss-ink); font-size: 1.05rem; }
.ss-brand:hover { text-decoration: none; }
.ss-brand__mark { width: 28px; height: 28px; border-radius: 8px; background: var(--ss-blue);
  color: #fff; display: grid; place-items: center; }
.ss-navlinks { display: none; gap: 4px; margin-left: 8px; }
.ss-navlink { padding: 8px 12px; border-radius: var(--ss-radius-sm); color: var(--ss-ink-soft);
  font-weight: 700; font-size: .92rem; display: inline-flex; align-items: center; gap: 7px; }
.ss-navlink:hover { background: var(--ss-line-light); color: var(--ss-ink); text-decoration: none; }
.ss-navlink.is-active { color: var(--ss-blue); background: var(--ss-blue-bg); }

/* ---------- モバイル下部ナビ ---------- */
.ss-botnav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
  height: var(--ss-botnav-h);
  background: var(--ss-white);
  border-top: 1px solid var(--ss-line);
  display: flex; align-items: stretch;
  padding-bottom: env(safe-area-inset-bottom);
}
.ss-botnav__item { flex: 1; display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 2px; color: var(--ss-ink-muted); font-size: .68rem; font-weight: 700; }
.ss-botnav__item:hover { text-decoration: none; }
.ss-botnav__item.is-active { color: var(--ss-blue); }
.ss-has-botnav { padding-bottom: calc(var(--ss-botnav-h) + env(safe-area-inset-bottom) + 8px); }

/* ---------- ボタン ---------- */
.ss-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-weight: 800; font-size: .95rem; line-height: 1;
  padding: 12px 18px; min-height: 44px;
  border-radius: var(--ss-radius); border: 1px solid var(--ss-line);
  background: var(--ss-white); color: var(--ss-ink); cursor: pointer;
  transition: background .15s, border-color .15s, transform .05s; white-space: nowrap;
}
.ss-btn:hover { text-decoration: none; background: var(--ss-line-light); }
.ss-btn:active { transform: translateY(1px); }
.ss-btn--primary { background: var(--ss-blue); border-color: var(--ss-blue); color: #fff; }
.ss-btn--primary:hover { background: var(--ss-blue-dark); border-color: var(--ss-blue-dark); }
.ss-btn--danger { background: var(--ss-white); border-color: #fca5a5; color: var(--ss-red); }
.ss-btn--danger:hover { background: var(--ss-red-bg); }
.ss-btn--ghost { background: transparent; border-color: transparent; color: var(--ss-ink-soft); }
.ss-btn--ghost:hover { background: var(--ss-line-light); }
.ss-btn--block { width: 100%; }
.ss-btn--lg { padding: 15px 26px; font-size: 1.02rem; min-height: 52px; }
.ss-btn--sm { padding: 8px 12px; min-height: 36px; font-size: .85rem; }
.ss-btn:disabled, .ss-btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- カード（フラット1pxボーダー） ---------- */
.ss-card { background: var(--ss-white); border: 1px solid var(--ss-line);
  border-radius: var(--ss-radius); box-shadow: var(--ss-shadow); padding: 18px; }
.ss-card--pad-lg { padding: 24px; }
.ss-card__title { font-size: 1.05rem; font-weight: 800; margin: 0 0 4px; }
.ss-card__sub { color: var(--ss-ink-muted); font-size: .88rem; margin: 0; }

/* ---------- フォーム（iOS入力ズーム対策で16px） ---------- */
.ss-field { margin-bottom: 16px; }
.ss-label { display: block; font-weight: 700; font-size: .9rem; margin-bottom: 6px; color: var(--ss-ink); }
.ss-input, .ss-textarea, .ss-select {
  width: 100%; font-family: inherit; font-size: 16px; color: var(--ss-ink);
  padding: 12px 14px; min-height: 48px;
  border: 1px solid var(--ss-line); border-radius: var(--ss-radius); background: #fff;
  transition: border-color .15s, box-shadow .15s; -webkit-appearance: none; appearance: none;
}
.ss-textarea { min-height: 130px; resize: vertical; line-height: 1.6; }
.ss-input:focus, .ss-textarea:focus, .ss-select:focus {
  outline: none; border-color: var(--ss-blue); box-shadow: 0 0 0 3px var(--ss-blue-bg);
}
.ss-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%235b6b76' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 40px; }
.ss-help { font-size: .8rem; color: var(--ss-ink-muted); margin-top: 6px; }
.ss-error-text { color: var(--ss-red); font-size: .85rem; margin-top: 6px; }

/* ---------- アラート ---------- */
.ss-alert { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px;
  border-radius: var(--ss-radius); font-size: .9rem; border: 1px solid var(--ss-line);
  background: var(--ss-white); margin-bottom: 14px; }
.ss-alert--ok    { background: var(--ss-green-bg);  border-color: #86efac; color: #166534; }
.ss-alert--error { background: var(--ss-red-bg);    border-color: #fca5a5; color: #991b1b; }
.ss-alert--info  { background: var(--ss-blue-bg);   border-color: #bcdcff; color: var(--ss-blue-dark); }
.ss-alert--warn  { background: var(--ss-orange-bg); border-color: #fdba74; color: #9a3412; }

/* ---------- バッジ ---------- */
.ss-badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px;
  border-radius: var(--ss-pill); font-size: .76rem; font-weight: 800;
  border: 1px solid var(--ss-line); background: var(--ss-bg); color: var(--ss-ink-soft); }
.ss-badge--scheduled { background: var(--ss-blue-bg);   border-color: #bcdcff; color: var(--ss-blue-dark); }
.ss-badge--published { background: var(--ss-green-bg);  border-color: #86efac; color: #166534; }
.ss-badge--failed    { background: var(--ss-red-bg);    border-color: #fca5a5; color: #991b1b; }
.ss-badge--draft     { background: var(--ss-bg);        border-color: var(--ss-line); color: var(--ss-ink-muted); }
.ss-badge--publishing{ background: var(--ss-amber-bg);  border-color: #fde047; color: #854d0e; }

/* ---------- ヒーロー / マーケ ---------- */
.ss-hero { padding: 48px 0 32px; text-align: center; }
.ss-hero__eyebrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 800;
  color: var(--ss-blue); background: var(--ss-blue-bg); border: 1px solid #bcdcff;
  padding: 6px 14px; border-radius: var(--ss-pill); font-size: .82rem; margin-bottom: 18px; }
.ss-hero__title { font-size: 2rem; line-height: 1.25; letter-spacing: .01em; margin-bottom: 14px; }
.ss-hero__lead { font-size: 1.05rem; color: var(--ss-ink-soft); max-width: 640px; margin: 0 auto 24px; }
.ss-hero__cta { display: flex; flex-direction: column; gap: 10px; align-items: center; }
.ss-hero__note { font-size: .82rem; color: var(--ss-ink-muted); margin-top: 4px; }
.ss-hero__shot { margin: 32px auto 0; max-width: 920px; border: 1px solid var(--ss-line);
  border-radius: var(--ss-radius-lg); box-shadow: var(--ss-shadow-lg); overflow: hidden; background: #fff; }

.ss-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
.ss-grid--3 { grid-template-columns: 1fr; }
.ss-grid--4 { grid-template-columns: repeat(2, 1fr); }

.ss-feature { background: var(--ss-white); border: 1px solid var(--ss-line);
  border-radius: var(--ss-radius); padding: 20px; }
.ss-feature__ic { width: 44px; height: 44px; border-radius: 12px; background: var(--ss-blue-bg);
  color: var(--ss-blue); display: grid; place-items: center; margin-bottom: 12px; }
.ss-feature__title { font-size: 1.05rem; margin-bottom: 6px; }
.ss-feature__desc { color: var(--ss-ink-soft); font-size: .92rem; margin: 0; }

.ss-steps { counter-reset: step; display: grid; gap: 14px; grid-template-columns: 1fr; }
.ss-step { display: flex; gap: 14px; align-items: flex-start; }
.ss-step__num { counter-increment: step; flex: none; width: 34px; height: 34px; border-radius: var(--ss-pill);
  background: var(--ss-blue); color: #fff; font-weight: 800; display: grid; place-items: center; }
.ss-step__num::before { content: counter(step); }

/* 料金 */
.ss-pricing { display: grid; gap: 16px; grid-template-columns: 1fr; }
.ss-price { background: var(--ss-white); border: 1px solid var(--ss-line); border-radius: var(--ss-radius-lg);
  padding: 24px; display: flex; flex-direction: column; }
.ss-price.is-featured { border-color: var(--ss-blue); box-shadow: var(--ss-shadow-md); }
.ss-price__name { font-weight: 800; font-size: 1.1rem; margin-bottom: 4px; }
.ss-price__amount { font-size: 2rem; font-weight: 800; }
.ss-price__amount span { font-size: .9rem; color: var(--ss-ink-muted); font-weight: 700; }
.ss-price__list { list-style: none; padding: 0; margin: 16px 0 20px; display: grid; gap: 9px; }
.ss-price__list li { display: flex; gap: 8px; align-items: flex-start; font-size: .92rem; color: var(--ss-ink-soft); }
.ss-price__list .ss-icon { color: var(--ss-green); margin-top: 2px; }

.ss-cta-band { background: var(--ss-ink); color: #fff; border-radius: var(--ss-radius-lg);
  padding: 32px 24px; text-align: center; }
.ss-cta-band h2 { color: #fff; }
.ss-cta-band p { color: #c5d0d8; }

/* マーケ用フッター */
.ss-footer { border-top: 1px solid var(--ss-line); background: var(--ss-white); padding: 28px 0; margin-top: 40px; }
.ss-footer__inner { display: flex; flex-direction: column; gap: 12px; align-items: center; text-align: center;
  font-size: .85rem; color: var(--ss-ink-muted); }
.ss-footer__links { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.ss-footer__links a { color: var(--ss-ink-soft); }

/* ---------- 認証画面 ---------- */
.ss-auth { min-height: calc(100vh - var(--ss-appbar-h)); display: flex; align-items: flex-start;
  justify-content: center; padding: 32px 16px 60px; }
.ss-auth__card { width: 100%; max-width: 420px; background: #fff; border: 1px solid var(--ss-line);
  border-radius: var(--ss-radius-lg); box-shadow: var(--ss-shadow-md); padding: 28px 22px; }
.ss-auth__title { font-size: 1.4rem; text-align: center; margin-bottom: 6px; }
.ss-auth__sub { text-align: center; color: var(--ss-ink-muted); font-size: .9rem; margin-bottom: 22px; }
.ss-auth__switch { text-align: center; margin-top: 18px; font-size: .9rem; color: var(--ss-ink-soft); }

/* ---------- ダッシュボード共通 ---------- */
.ss-page { padding: 20px 0 40px; }
.ss-page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px;
  margin-bottom: 18px; flex-wrap: wrap; }
.ss-page-head h1 { font-size: 1.4rem; margin: 0; }
.ss-page-head p { margin: 2px 0 0; color: var(--ss-ink-muted); font-size: .9rem; }

.ss-stat-grid { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); margin-bottom: 20px; }
.ss-stat { background: #fff; border: 1px solid var(--ss-line); border-radius: var(--ss-radius); padding: 14px 16px; }
.ss-stat__label { font-size: .78rem; color: var(--ss-ink-muted); font-weight: 700; display: flex; align-items: center; gap: 6px; }
.ss-stat__value { font-size: 1.6rem; font-weight: 800; margin-top: 4px; }

/* 投稿カード */
.ss-post { background: #fff; border: 1px solid var(--ss-line); border-radius: var(--ss-radius);
  padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.ss-post + .ss-post { margin-top: 12px; }
.ss-post__top { display: flex; align-items: center; gap: 10px; justify-content: space-between; }
.ss-post__acct { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: .9rem; }
.ss-avatar { width: 30px; height: 30px; border-radius: var(--ss-pill); background: var(--ss-blue-bg);
  color: var(--ss-blue); display: grid; place-items: center; overflow: hidden; flex: none; }
.ss-avatar img { width: 100%; height: 100%; object-fit: cover; }
.ss-post__body { white-space: pre-wrap; word-break: break-word; font-size: .96rem; margin: 0; }
.ss-post__when { display: flex; align-items: center; gap: 6px; color: var(--ss-ink-soft); font-size: .84rem; }
.ss-post__actions { display: flex; gap: 8px; border-top: 1px solid var(--ss-line-light); padding-top: 10px; }
.ss-post__metrics { display: flex; gap: 16px; color: var(--ss-ink-soft); font-size: .82rem; }
.ss-post__metrics span { display: inline-flex; align-items: center; gap: 5px; }

/* 空状態 */
.ss-empty { text-align: center; padding: 44px 20px; color: var(--ss-ink-muted); }
.ss-empty__ic { width: 56px; height: 56px; border-radius: 16px; background: var(--ss-line-light);
  color: var(--ss-ink-muted); display: grid; place-items: center; margin: 0 auto 14px; }

/* コンポーザー */
.ss-composer { display: grid; gap: 16px; grid-template-columns: 1fr; }
.ss-composer__count { text-align: right; font-size: .82rem; color: var(--ss-ink-muted); margin-top: 6px; }
.ss-composer__count.is-over { color: var(--ss-red); font-weight: 800; }
.ss-composer__bar { display: flex; gap: 10px; flex-wrap: wrap; }
.ss-segment { display: inline-flex; border: 1px solid var(--ss-line); border-radius: var(--ss-radius); overflow: hidden; }
.ss-segment button { border: none; background: #fff; padding: 10px 14px; font-family: inherit;
  font-weight: 700; font-size: .88rem; color: var(--ss-ink-soft); cursor: pointer; min-height: 44px; }
.ss-segment button.is-active { background: var(--ss-blue); color: #fff; }

/* アカウントチップ（連携アカウント） */
.ss-acct { display: flex; align-items: center; gap: 12px; padding: 14px 16px; background: #fff;
  border: 1px solid var(--ss-line); border-radius: var(--ss-radius); }
.ss-acct + .ss-acct { margin-top: 10px; }
.ss-acct__name { font-weight: 800; }
.ss-acct__handle { color: var(--ss-ink-muted); font-size: .85rem; }

/* 分析メトリクス */
.ss-metric-grid { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
.ss-metric { background: #fff; border: 1px solid var(--ss-line); border-radius: var(--ss-radius); padding: 16px; text-align: center; }
.ss-metric__ic { color: var(--ss-blue); margin-bottom: 6px; }
.ss-metric__value { font-size: 1.7rem; font-weight: 800; }
.ss-metric__label { font-size: .8rem; color: var(--ss-ink-muted); font-weight: 700; }

/* ---------- トースト ---------- */
.ss-toast-wrap { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(var(--ss-botnav-h) + 16px);
  z-index: 9999; display: flex; flex-direction: column; gap: 8px; pointer-events: none; width: max-content; max-width: 90vw; }
.ss-toast { background: var(--ss-ink); color: #fff; border-radius: var(--ss-radius-sm); padding: 12px 18px;
  font-size: .9rem; font-weight: 700; box-shadow: var(--ss-shadow-lg); animation: ss-toast-in .25s ease; text-align: center; }
.ss-toast--error { background: var(--ss-red); }
@keyframes ss-toast-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- モーダル ---------- */
.ss-modal { position: fixed; inset: 0; z-index: 200; background: rgba(28,43,51,.5);
  display: flex; align-items: flex-end; justify-content: center; padding: 0; }
.ss-modal__card { background: #fff; width: 100%; max-width: 460px; border-radius: var(--ss-radius-lg) var(--ss-radius-lg) 0 0;
  padding: 22px; box-shadow: var(--ss-shadow-lg); max-height: 86vh; overflow: auto;
  padding-bottom: calc(22px + env(safe-area-inset-bottom)); }
.ss-modal__title { font-size: 1.15rem; margin-bottom: 6px; }

/* ============================================================
   タブレット以上（≥768px）
   ============================================================ */
@media (min-width: 768px) {
  .ss-section { padding: 56px 0; }
  .ss-hero { padding: 72px 0 40px; }
  .ss-hero__title { font-size: 2.7rem; }
  .ss-hero__lead { font-size: 1.18rem; }
  .ss-hero__cta { flex-direction: row; justify-content: center; }
  .ss-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .ss-grid--4 { grid-template-columns: repeat(4, 1fr); }
  .ss-pricing { grid-template-columns: repeat(3, 1fr); align-items: start; }
  .ss-steps { grid-template-columns: repeat(3, 1fr); }
  .ss-stat-grid { grid-template-columns: repeat(4, 1fr); }
  .ss-metric-grid { grid-template-columns: repeat(5, 1fr); }
  .ss-composer { grid-template-columns: 1fr; }
  .ss-modal { align-items: center; padding: 20px; }
  .ss-modal__card { border-radius: var(--ss-radius-lg); }
  .ss-toast-wrap { left: auto; right: 24px; transform: none; bottom: 24px; }
  .ss-footer__inner { flex-direction: row; justify-content: space-between; }
  .ss-hide-mobile { display: inline-flex; }
}

/* ============================================================
   デスクトップ（≥960px）— 上部ナビ表示・下部ナビ非表示
   ============================================================ */
@media (min-width: 960px) {
  .ss-navlinks { display: flex; }
  .ss-botnav { display: none; }
  .ss-has-botnav { padding-bottom: 0; }
  .ss-toast-wrap { bottom: 24px; }
  .ss-auth__card { padding: 32px 30px; }
}