@charset "UTF-8";
/* ==========================================================
   home.css — ドラム塾 ポータルサイト（総合トップ）
   ----------------------------------------------------------
   配色 : 水色 #00c0df / 黄色 #fcee21 / クリーム #f7f3dd
           テキスト #231815 / ゴールド #a39567
   フォント: 游ゴシック体（既存LPと統一）
   全クラス名に pt- プレフィックスを付与し、既存 index.css と完全分離
   ========================================================== */

/* ----------------------------------------------------------
   RESET & BASE
   ---------------------------------------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic",
    "Hiragino Kaku Gothic Pro", "メイリオ", sans-serif;
  color: #231815;
  line-height: 1.6;
  background: #fff;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

/* レスポンシブ切替ユーティリティ */
.pt-pc-only  { display: block !important; }
.pt-sp-only  { display: none  !important; }
@media screen and (max-width: 768px) {
  .pt-pc-only { display: none  !important; }
  .pt-sp-only { display: block !important; }
}


/* ==========================================================
   HEADER
   ========================================================== */
.pt-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.pt-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 30px;
}

.pt-header__logo {
  font-weight: normal;
  line-height: 1;
}
.pt-header__logo img {
  height: 42px;
  width: auto;
}

.pt-header__nav-list {
  display: flex;
  gap: 32px;
}
.pt-header__nav-list a {
  font-size: 15px;
  font-weight: bold;
  letter-spacing: .08em;
  color: #231815;
  transition: color .2s;
}
.pt-header__nav-list a:hover {
  color: #00c0df;
}

@media screen and (max-width: 768px) {
  .pt-header__inner {
    padding: 12px 16px;
  }
  .pt-header__logo img {
    height: 32px;
  }
  .pt-header__nav-list {
    gap: 20px;
  }
  .pt-header__nav-list a {
    font-size: 13px;
  }
}


/* ==========================================================
   HERO
   ========================================================== */
.pt-hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  /* ★ 背景画像：hero_pc.jpg を配置してください
       写真がない場合はグラデーションのみで表示されます */
  background:
    url("../images/hero_pc.jpg") no-repeat center center,
    linear-gradient(160deg, #0a1628 0%, #122a4a 40%, #0e3b5e 70%, #0a2540 100%);
  background-size: cover;
  padding-top: 74px; /* ヘッダー高さ分 */
}

/* 暗めオーバーレイ（テキスト可読性確保） */
.pt-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.50) 45%, rgba(0, 0, 0, 0.70) 100%),
    radial-gradient(ellipse 60% 50% at 25% 75%, rgba(0, 192, 223, 0.10) 0%, transparent 70%);
  pointer-events: none;
}

/* 波型の境界装飾 */
.pt-hero__wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  line-height: 0;
}
.pt-hero__wave svg {
  display: block;
  width: 100%;
  height: 60px;
}

.pt-hero__inner {
  position: relative;
  z-index: 1;
  padding: 70px 24px 80px;
  animation: pt-fadeUp .9s cubic-bezier(.22, 1, .36, 1) both;
}

@keyframes pt-fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* サブコピー */
.pt-hero__sub {
  font-size: 17px;
  color: #fff;
  letter-spacing: .14em;
  font-weight: bold;
  margin-bottom: 20px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}

/* メインキャッチ */
.pt-hero__catch {
  font-size: 44px;
  font-weight: 900;
  color: #fff;
  letter-spacing: .1em;
  line-height: 1.55;
  margin-bottom: 32px;
  text-shadow: 0 3px 16px rgba(0, 0, 0, 0.7), 0 1px 4px rgba(0, 0, 0, 0.4);
}

.pt-hero__accent {
  color: #fcee21;
  position: relative;
  display: inline-block;
}
.pt-hero__accent::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 2px;
  height: 5px;
  background: #fcee21;
  border-radius: 3px;
  opacity: .6;
}

/* バッジ */
.pt-hero__badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.pt-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #fff;
  font-size: 15px;
  font-weight: bold;
  letter-spacing: .06em;
  padding: 10px 20px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}
.pt-hero__badge-icon {
  font-size: 18px;
}

/* CTA */
.pt-hero__cta {
  display: inline-block;
  background: #00c0df;
  color: #fff;
  font-size: 19px;
  font-weight: bold;
  letter-spacing: .12em;
  padding: 18px 56px;
  border-radius: 60px;
  box-shadow: 0 6px 24px rgba(0, 192, 223, 0.45);
  transition: all .3s ease;
  position: relative;
}
.pt-hero__cta:hover {
  background: #00a9c5;
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(0, 192, 223, 0.55);
}
/* パルスエフェクト（既存LPの cta-pulse と同トーン） */
.pt-hero__cta::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(0, 192, 223, 0.5);
  animation: pt-pulse 2.8s infinite;
}
@keyframes pt-pulse {
  0%   { box-shadow: 0 0 0 0    rgba(0, 192, 223, 0.4); }
  70%  { box-shadow: 0 0 0 16px rgba(0, 192, 223, 0);   }
  100% { box-shadow: 0 0 0 0    rgba(0, 192, 223, 0);   }
}

/* HERO - SP */
@media screen and (max-width: 768px) {
  .pt-hero {
    min-height: 520px;
    padding-top: 56px;
    /* ★ SP用背景画像 */
    background:
      url("../images/hero_sp.jpg")no-repeat center center,
      linear-gradient(160deg, #0a1628 0%, #122a4a 40%, #0e3b5e 70%, #0a2540 100%);
    background-size: cover;
  }
  .pt-hero__inner {
    padding: 40px 20px 70px;
  }
  .pt-hero__sub {
    font-size: 13px;
    letter-spacing: .06em;
    margin-bottom: 14px;
  }
  .pt-hero__catch {
    font-size: 26px;
    letter-spacing: .06em;
    margin-bottom: 24px;
    line-height: 1.6;
  }
  .pt-hero__accent::after {
    height: 3px;
    bottom: 0;
  }
  .pt-hero__badges {
    gap: 8px;
    margin-bottom: 28px;
  }
  .pt-hero__badge {
    font-size: 12px;
    padding: 7px 14px;
    gap: 4px;
  }
  .pt-hero__badge-icon {
    font-size: 15px;
  }
  .pt-hero__cta {
    font-size: 16px;
    padding: 15px 40px;
  }
  .pt-hero__wave svg {
    height: 36px;
  }
}


/* ==========================================================
   SECTION HEADING（共通）
   ========================================================== */
.pt-section-heading {
  text-align: center;
  margin-bottom: 20px;
}

.pt-section-heading__en {
  display: block;
  font-size: 13px;
  font-weight: bold;
  color: #00c0df;
  letter-spacing: .22em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.pt-section-heading__ja {
  font-size: 34px;
  font-weight: bold;
  color: #231815;
  letter-spacing: .18em;
  display: inline-block;
  border-bottom: 3px solid #00c0df;
  padding-bottom: 10px;
}

@media screen and (max-width: 768px) {
  .pt-section-heading__en {
    font-size: 11px;
    letter-spacing: .16em;
  }
  .pt-section-heading__ja {
    font-size: 20px;
    letter-spacing: .1em;
    border-width: 2px;
    padding-bottom: 6px;
  }
}


/* ==========================================================
   SCHOOLS — 教室を探す（最重要エリア）
   ========================================================== */
.pt-schools {
  background: #f7f3dd;
  padding: 80px 24px 100px;
  position: relative;
  overflow: hidden;
}

/* 装飾円（LPのdeco的あしらい） */
.pt-schools::before,
.pt-schools::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.pt-schools::before {
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(0, 192, 223, 0.12) 0%, transparent 70%);
  top: -80px;
  left: -60px;
}
.pt-schools::after {
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(252, 238, 33, 0.15) 0%, transparent 70%);
  bottom: -50px;
  right: -40px;
}

.pt-schools__inner {
  max-width: 1240px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.pt-schools__lead {
  text-align: center;
  font-size: 18px;
  color: #555;
  letter-spacing: .08em;
  margin-bottom: 50px;
  line-height: 1.7;
}

/* ----------------------------------------------------------
   CARDS
   ---------------------------------------------------------- */
.pt-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

/* タブレット: 2列 */
@media screen and (min-width: 769px) and (max-width: 1100px) {
  .pt-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 720px;
    margin: 0 auto;
  }
}

.pt-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  transition: transform .35s ease, box-shadow .35s ease;
  position: relative;
  text-decoration: none;
  color: #231815;
}
.pt-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0, 192, 223, 0.18);
}

/* ── ホバー時にカード名を水色に ── */
.pt-card:hover .pt-card__name {
  color: #00c0df;
}
/* 微かなグロー装飾 */
.pt-card__glow {
  position: absolute;
  inset: -2px;
  border-radius: 26px;
  background: linear-gradient(135deg, rgba(0, 192, 223, 0.08), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ── 画像エリア ── */
.pt-card__img {
  position: relative;
  overflow: hidden;
}

.pt-card__img-placeholder {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #e4f8fb 0%, #d0eef5 50%, #e8f9fc 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.pt-card__img-emoji {
  font-size: 52px;
}
.pt-card__img-label {
  font-size: 11px;
  font-weight: bold;
  letter-spacing: .16em;
  color: #00c0df;
  opacity: .6;
}

/* ── 実写真用スタイル ── */
.pt-card__photo {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
.pt-card:hover .pt-card__photo {
  transform: scale(1.04);
}

/* ── リボン（MAIN） ── */
.pt-card__ribbon {
  position: absolute;
  top: 14px;
  left: 14px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .15em;
  padding: 5px 16px;
  border-radius: 6px;
  z-index: 2;
}
.pt-card__ribbon--main {
  background: #00c0df;
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 192, 223, 0.3);
}

/* ── リボン（NEW OPEN） ── */
.pt-card__ribbon--new {
  top: 0;
  right: 0;
  left: auto;
  background: linear-gradient(135deg, #ff4757, #ff6b81);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .1em;
  padding: 10px 18px;
  border-radius: 0 20px 0 18px;
  box-shadow: 0 4px 16px rgba(255, 71, 87, 0.35);
  animation: pt-badgeBounce 2.4s ease-in-out infinite;
}
@keyframes pt-badgeBounce {
  0%, 100% { transform: scale(1) rotate(0deg); }
  25%      { transform: scale(1.08) rotate(-1deg); }
  50%      { transform: scale(1) rotate(0deg); }
  75%      { transform: scale(1.04) rotate(1deg); }
}

/* ── リボン（ギターも対応 — 豊川校用） ── */
.pt-card__ribbon--guitar {
  top: 14px;
  left: 14px;
  right: auto;
  background: linear-gradient(135deg, #a39567, #c4b078);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .06em;
  padding: 6px 16px;
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(163, 149, 103, 0.3);
}

/* ── カード本文 ── */
.pt-card__body {
  padding: 26px 24px 30px;
  display: flex;
  flex-direction: column;
  flex: 1;
  position: relative;
  z-index: 1;
}

.pt-card__area {
  font-size: 13px;
  color: #00c0df;
  font-weight: bold;
  letter-spacing: .06em;
  margin-bottom: 6px;
}

.pt-card__name {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: .1em;
  margin-bottom: 10px;
  color: #231815;
  transition: color .25s ease;
}

/* 新規開講タグ（カード名の横） */
.pt-card__new-tag {
  display: inline-block;
  background: #fcee21;
  color: #231815;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .08em;
  padding: 3px 10px;
  border-radius: 4px;
  margin-left: 8px;
  vertical-align: middle;
  position: relative;
  top: -2px;
}

.pt-card__desc {
  font-size: 14px;
  color: #666;
  line-height: 1.75;
  margin-bottom: 20px;
  flex: 1;
}
.pt-card__desc strong {
  color: #a39567;
  font-weight: bold;
}

.pt-card__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #00c0df;
  color: #fff;
  font-size: 15px;
  font-weight: bold;
  letter-spacing: .08em;
  padding: 12px 32px;
  border-radius: 60px;
  transition: background .25s ease, gap .25s ease;
  align-self: flex-start;
}
.pt-card:hover .pt-card__btn {
  background: #00a9c5;
  gap: 14px;
}
.pt-card__btn-arrow {
  transition: transform .25s ease;
}
.pt-card:hover .pt-card__btn-arrow {
  transform: translateX(3px);
}

/* ── CARDS - SP ── */
@media screen and (max-width: 768px) {
  .pt-schools {
    padding: 50px 16px 60px;
  }
  .pt-schools__lead {
    font-size: 14px;
    margin-bottom: 32px;
  }
  .pt-cards {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 440px;
    margin: 0 auto;
  }
  .pt-card {
    border-radius: 18px;
  }
  .pt-card__img-placeholder {
    height: 160px;
  }
  .pt-card__photo {
    height: 170px;
  }
  .pt-card__img-emoji {
    font-size: 40px;
  }
  .pt-card__body {
    padding: 20px 18px 24px;
  }
  .pt-card__name {
    font-size: 22px;
    letter-spacing: .08em;
  }
  .pt-card__desc {
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 16px;
  }
  .pt-card__btn {
    font-size: 14px;
    padding: 10px 28px;
    width: 100%;
    justify-content: center;
  }
  .pt-card__ribbon--new {
    font-size: 11px;
    padding: 8px 14px;
  }
}


/* ==========================================================
   NEWS — お知らせ / ブログ
   ========================================================== */
.pt-news {
  background: #fff;
  padding: 80px 24px 90px;
}

.pt-news__inner {
  max-width: 840px;
  margin: 0 auto;
}

.pt-news__list {
  margin-top: 40px;
  border-top: 3px solid #00c0df;
}

.pt-news__item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 12px;
  border-bottom: 1px solid #e5e5e5;
  transition: background .2s ease;
}
.pt-news__item:hover {
  background: #fafaf5;
}

.pt-news__date {
  font-size: 14px;
  color: #999;
  letter-spacing: .04em;
  flex-shrink: 0;
  min-width: 92px;
}

.pt-news__tag {
  font-size: 11px;
  font-weight: bold;
  letter-spacing: .06em;
  padding: 3px 14px;
  border-radius: 4px;
  flex-shrink: 0;
  white-space: nowrap;
}
.pt-news__tag--info {
  background: #00c0df;
  color: #fff;
}
.pt-news__tag--blog {
  background: #fcee21;
  color: #231815;
}

.pt-news__title {
  font-size: 15px;
  line-height: 1.55;
  color: #231815;
  transition: color .2s;
}
.pt-news__title:hover {
  color: #00c0df;
}

.pt-news__loading {
  text-align: center;
  padding: 32px 0;
  color: #999;
  font-size: 14px;
  letter-spacing: .06em;
}

.pt-news__more-wrap {
  text-align: center;
  margin-top: 36px;
}

.pt-news__more {
  display: inline-block;
  font-size: 15px;
  font-weight: bold;
  color: #00c0df;
  letter-spacing: .06em;
  border-bottom: 2px solid #00c0df;
  padding-bottom: 3px;
  transition: opacity .2s;
}
.pt-news__more:hover {
  opacity: .65;
}

/* NEWS - SP */
@media screen and (max-width: 768px) {
  .pt-news {
    padding: 50px 16px 60px;
  }
  .pt-news__list {
    margin-top: 28px;
    border-width: 2px;
  }
  .pt-news__item {
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px 6px;
  }
  .pt-news__date {
    font-size: 12px;
    min-width: auto;
  }
  .pt-news__tag {
    font-size: 10px;
    padding: 2px 10px;
  }
  .pt-news__title {
    width: 100%;
    font-size: 14px;
  }
  .pt-news__more {
    font-size: 14px;
  }
}


/* ==========================================================
   FOOTER（既存LPの l-footer テイストを踏襲）
   ========================================================== */
.pt-footer {
  background: #f7f3dd;
  padding: 0;
}

.pt-footer__inner {
  text-align: center;
  padding: 80px 24px 50px;
  overflow: hidden;
}

.pt-footer__logo {
  margin-bottom: 36px;
}
.pt-footer__logo img {
  width: auto;
  max-width: 260px;
}

.pt-footer__nav {
  margin-bottom: 30px;
}

.pt-footer__nav-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 32px;
}

.pt-footer__nav-list a {
  font-size: 15px;
  letter-spacing: .08em;
  color: #231815;
  transition: color .2s;
}
.pt-footer__nav-list a:hover {
  color: #00c0df;
}

.pt-footer__copy {
  font-size: 13px;
  letter-spacing: .04em;
  color: #999;
}

/* FOOTER - SP */
@media screen and (max-width: 768px) {
  .pt-footer__inner {
    padding: 50px 16px 32px;
  }
  .pt-footer__logo {
    margin-bottom: 24px;
  }
  .pt-footer__logo img {
    max-width: 180px;
  }
  .pt-footer__nav-list {
    gap: 8px 20px;
  }
  .pt-footer__nav-list a {
    font-size: 13px;
  }
  .pt-footer__copy {
    font-size: 10px;
    margin-top: 6px;
  }
}